Research Topics
Species | J B ReitsmaSummaryAffiliation: Academic Medical Center Country: The Netherlands Publications
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Detail Information
Publications
The clinical effect of a new infant formula in term infants with constipation: a double-blind, randomized cross-over trialMarloes E J Bongers
Department of Pediatric Gastroenterology and Nutrition, Emma Children s Hospital, Academic Medical Centre, Amsterdam, The Netherlands
Nutr J 6:8. 2007..It is hypothesized that NF positively affects stool characteristics in constipated infants...
Single-drug therapy or selective decontamination of the digestive tract as antifungal prophylaxis in critically ill patients: a systematic reviewJw Olivier van Till
Department of Surgery, Academic Medical Center, PO Box 22660, 1100 DD Amsterdam, The Netherlands
Crit Care 11:R126. 2007..The objective of this study was to determine and compare the effectiveness of different prophylactic antifungal therapies in critically ill patients on the incidence of yeast colonisation, infection, candidemia, and hospital mortality...
Transanal endoscopic microsurgery versus endoscopic mucosal resection for large rectal adenomas (TREND-study)Frank J C van den Broek
Dept of Gastroenterology and Hepatology, Academic Medical Centre, Amsterdam, The Netherlands
BMC Surg 9:4. 2009..Furthermore, EMR appears to be associated with fewer complications.The aim of this study is to compare the cost-effectiveness and cost-utility of TEM and EMR for the resection of large rectal adenomas...
A multicenter randomized clinical trial investigating the cost-effectiveness of treatment strategies with or without antibiotics for uncomplicated acute diverticulitis (DIABOLO trial)Cagdas Unlu
Department of Surgery, Sint Lucas Andreas Hospital Amsterdam, The Netherlands
BMC Surg 10:23. 2010..This advice lacks evidence and is merely based on experts' opinion. Adverse effects of the use of antibiotics are well known, including allergic reactions, development of bacterial resistance to antibiotics and other side-effects...
Age- and gender-specific risk of death after first hospitalization for heart failureI Vaartjes
Julius Center for Health Sciences and Primary Care, University Medical Center Utrecht, Utrecht, The Netherlands
BMC Public Health 10:637. 2010..Age and gender are important predictors of mortality in hospitalized HF patients. However, studies assessing short- and long-term risk of death stratified by age and gender are scarce...
Regional perinatal mortality differences in the Netherlands; care is the questionMiranda Tromp
Department of Medical Informatics, Academic Medical Center, University of Amsterdam, Amsterdam, The Netherlands
BMC Public Health 9:102. 2009..Our objective was to study regional variation in perinatal mortality within the Netherlands and to identify possible explanatory factors for the found differences...
Evaluation of QUADAS, a tool for the quality assessment of diagnostic accuracy studiesPenny F Whiting
MRC Health Services Research Collaboration, Department of Social Medicine, Canynge Hall, Whiteladies Road, Bristol, UK
BMC Med Res Methodol 6:9. 2006..Although QUADAS has been used in several systematic reviews, it has not been formally validated. The objective was to evaluate the validity and usefulness of QUADAS...
The development of QUADAS: a tool for the quality assessment of studies of diagnostic accuracy included in systematic reviewsPenny Whiting
Centre for Reviews and Dissemination, University of York, England, UK
BMC Med Res Methodol 3:25. 2003..The aim of this project was to combine empirical evidence and expert opinion in a formal consensus method to develop a tool to be used in systematic reviews to assess the quality of primary studies of diagnostic accuracy...
Reproducibility of the STARD checklist: an instrument to assess the quality of reporting of diagnostic accuracy studiesNynke Smidt
Institute for Research in Extramural Medicine, VU University Medical Center, Van der Boechorststraat 7, 1081 BT Amsterdam, The Netherlands
BMC Med Res Methodol 6:12. 2006..We designed a study to investigate the inter-assessment reproducibility, and intra- and inter-observer reproducibility of the items in the STARD statement...
Attenuated cerebrospinal fluid leukocyte count and sepsis in adults with pneumococcal meningitis: a prospective cohort studyMartijn Weisfelt
Department of Neurology, Centre of Infection and Immunity Amsterdam CINIMA, Academic Medical Centre, University of Amsterdam, Amsterdam, The Netherlands
BMC Infect Dis 6:149. 2006..Whereas a low CSF WBC indicates the presence of sepsis with early meningitis in patients with meningococcal infections, the relation between CSF WBC and outcome in patients with pneumococcal meningitis is not understood...
Hyperglycemia in bacterial meningitis: a prospective cohort studyEwout S Schut
Department of Neurology, Center of Infection and Immunity Amsterdam CINIMA, Academic Medical Center, Amsterdam, The Netherlands
BMC Infect Dis 9:57. 2009..Hyperglycemia has been associated with unfavorable outcome in several disorders, but few data are available in bacterial meningitis. We assessed the incidence and significance of hyperglycemia in adults with bacterial meningitis...
Long-term survival after initial hospital admission for peripheral arterial disease in the lower extremitiesI Vaartjes
Julius Center for Health Sciences and Primary Care, University Medical Center Utrecht, Utrecht, The Netherlands
BMC Cardiovasc Disord 9:43. 2009..Insights in absolute mortality risks following admission for PAD in the lower extremities can be useful to improve awareness as they are easy to interpret...
A review of solutions for diagnostic accuracy studies with an imperfect or missing reference standardJohannes B Reitsma
Department of Clinical Epidemiology, Biostatistics and Bioinformatics, Academic Medical Center, University of Amsterdam, Amsterdam, The Netherlands
J Clin Epidemiol 62:797-806. 2009..In diagnostic accuracy studies, the reference standard may be imperfect or not available in all patients. We systematically reviewed the proposed solutions for these situations and generated methodological guidance...
[Possibilities for anonymous follow-up studies of patients in Dutch national medical registrations using the Municipal Population Register: a pilot study]J B Reitsma
Academisch Medisch Centrum, Afd Klinische Epidemiologie en Biostatistiek, Postbus 22 660, 1100 DD Amsterdam
Ned Tijdschr Geneeskd 147:2286-90. 2003..To examine the feasibility of using information from the Dutch Municipal Population Register (Dutch acronym: GBA) to anonymously track groups of patients...
Diagnosing vasovagal syncope based on quantitative history-taking: validation of the Calgary Syncope Symptom ScoreJacobus J C M Romme
Department of Clinical Epidemiology, Biostatistics and Bioinformatics, Academic Medical Centre, 1105 AZ Amsterdam, The Netherlands
Eur Heart J 30:2888-96. 2009..The Calgary Syncope Symptom Score (Calgary Score) is a tool developed for this purpose. We studied its performance in a series of patients presenting with T-LOC...
Bivariate analysis of sensitivity and specificity produces informative summary measures in diagnostic reviewsJohannes B Reitsma
Department of Clinical Epidemiology and Biostatistics, Academic Medical Center, University of Amsterdam, PO Box 22700, 1100 DE Amsterdam, The Netherlands
J Clin Epidemiol 58:982-90. 2005..Studies of diagnostic accuracy most often report pairs of sensitivity and specificity. We demonstrate the advantage of using bivariate meta-regression models to analyze such data...
Epidemiology of stroke in The Netherlands from 1972 to 1994: the end of the decline in stroke mortalityJ B Reitsma
Department of Clinical Epidemiology, University of Amsterdam, The Netherlands
Neuroepidemiology 17:121-31. 1998..The use of diagnostic subgroups in national mortality data was of limited value, illustrated by the fact that 70% of all stroke deaths in 1994 belonged to the ill-defined type of stroke...
Towards complete and accurate reporting of studies of diagnostic accuracy: the STARD initiativeP M Bossuyt
Department of Clinical Epidemiology and Biostatistics, Academic Medical Center, University of Amsterdam, The Netherlands
Clin Radiol 58:575-80. 2003..To improve the accuracy and completeness of reporting of studies of diagnostic accuracy in order to allow readers to assess the potential for bias in a study and to evaluate the general isability of its results...
Evaluation of POSSUM for patients undergoing pancreatoduodenectomyS M M de Castro
Department of Surgery, Academic Medical Center, Amsterdam, The Netherlands
World J Surg 33:1481-7. 2009....
Missed injuries during the initial assessment in a cohort of 1124 level-1 trauma patientsG F Giannakopoulos
Department of Trauma Surgery, VU University Medical Center, Amsterdam, The Netherlands
Injury 43:1517-21. 2012..The aim of this study was to assess the missed injuries in a large cohort of trauma patients originating from two European Level-1 trauma centres...
Decision making for relaparotomy in secondary peritonitisO van Ruler
Department of Surgery, Biostatistics and Bioinformatics, Academic Medical Center, Amsterdam, The Netherlands
Dig Surg 25:339-46. 2008..To provide a qualitative ranking of clinical variables by surgeons that influence their decision for reoperation and to evaluate whether these variables are related to positive findings at relaparotomy...
Observer variation in the evaluation of lumbar herniated discs and root compression: spiral CT compared with MRIJ C van Rijn
Department of Clinical Epidemiology and Biostatistics, Academic Medical Center, AZ, Amsterdam
Br J Radiol 79:372-7. 2006..5%) and in 3 nerve roots (0.7%). For radiological evaluation of lumbar herniated discs, we found no evidence that spiral CT is inferior to MRI. For evaluating lumbar nerve root compression, spiral CT is less reliable than MRI...
The quality of diagnostic accuracy studies since the STARD statement: has it improved?N Smidt
Institute for Research in Extramural Medicine, VU University Medical Center, Amsterdam, The Netherlands
Neurology 67:792-7. 2006..To assess whether the quality of reporting of diagnostic accuracy studies has improved since the publication of the Standards for the Reporting of Diagnostic Accuracy studies (STARD statement)...
Ethnic differences in stillbirth and early neonatal mortality in The NetherlandsA C J Ravelli
Department of Medical Informatics, Academic Medical Center AMC, Amsterdam, The Netherlands
J Epidemiol Community Health 65:696-701. 2011..This study aimed to explore the contribution of demographic, socioeconomic, health behavioural and pre-existent medical risk factors among different ethnic groups on fetal and early neonatal mortality...
Randomized clinical trial comparing the effect of computed tomography in the trauma room versus the radiology department on injury outcomesT P Saltzherr
Trauma Unit, Department of Surgery, Biostatistics and Bioinformatics, Academic Medical Centre, Amsterdam, The Netherlands
Br J Surg 99:105-13. 2012..It was hypothesized that CT in the trauma room would improve patient outcome and workflow...
Increasing maternal age at first pregnancy planning: health outcomes and associated costsM Tromp
Department Medical Informatics, Academic Medical Center Amsterdam, The Netherlands
J Epidemiol Community Health 65:1083-90. 2011..To describe the consequences in terms of health outcomes, care and associated healthcare costs for three hypothetical cohorts of women planning their first pregnancy at a fixed, different age...
An efficient validation method of probabilistic record linkage including readmissions and twinsM Tromp
Department of Medical Informatics, Academic Medical Center, University of Amsterdam, Amsterdam, The Netherlands
Methods Inf Med 47:356-63. 2008..To describe an efficient, generalizable approach to validate probabilistic record linkage results, in particular by a model-guided detection of linking errors, and to apply this approach to validate linkage of admissions of newborns...
Pilot study on the assessment of the setpoint of the hypothalamus-pituitary-thyroid axis in healthy volunteersN Benhadi
Department of Endocrinology and Metabolism, Academic Medical Centre, University of Amsterdam, Meibergdreef 9, 1105 AZ Amsterdam, The Netherlands
Eur J Endocrinol 162:323-9. 2010..To determine the log-linear relationship between TSH and free thyroxine in healthy subjects, and the variation in baseline TSH/free thyroxine (FT(4)) combination in each individual...
Endoscopic tri-modal imaging for surveillance in ulcerative colitis: randomised comparison of high-resolution endoscopy and autofluorescence imaging for neoplasia detection; and evaluation of narrow-band imaging for classification of lesionsF J C van den Broek
Department of Gastroenterology and Hepatology, Academic Medical Center, Amsterdam, The Netherlands
Gut 57:1083-9. 2008..Endoscopic tri-modal imaging (ETMI) incorporates white light endoscopy (WLE), autofluorescence imaging (AFI) and narrow-band imaging (NBI)...
Cost-effectiveness of trauma CT in the trauma room versus the radiology department: the REACT trialT P Saltzherr
Trauma Unit Department of Surgery, Academic Medical Center, Meibergdreef 9, 1105 AZ, Amsterdam, The Netherlands
Eur Radiol 23:148-55. 2013..To determine the cost-effectiveness of trauma room CT compared with CT performed at the radiology department...
Systematic review of endoscopic mucosal resection versus transanal endoscopic microsurgery for large rectal adenomasR M Barendse
Department of Gastroenterology and Hepatology, Academic Medical Center, Amsterdam, The Netherlands
Endoscopy 43:941-9. 2011..The potential lower morbidity of EMR may become irrelevant if EMR is less effective. The aim of this study was to compare the safety and effectiveness of EMR and TEM for large rectal adenomas...
Systematic review of trocar-site herniaH A Swank
Department of Surgery, Academic Medical Centre, Amsterdam, The Netherlands
Br J Surg 99:315-23. 2012..Trocar-site hernia (TSH) is an uncommon, but potentially serious, complication that occasionally requires emergency surgery. This systematic review was conducted to establish the prevalence and risk factors for TSH...
Increased colorectal cancer risk in first-degree relatives of patients with hyperplastic polyposis syndromeK S Boparai
Department of Gastroenterology and Hepatology, Academic Medical Center Meibergdreef 9, Amsterdam, 1105 AZ, The Netherlands
Gut 59:1222-5. 2010..Reliable evidence concerning the magnitude of a possible excess risk is necessary to determine whether preventive measures, like screening colonoscopies, in FDRs are justified...
Acute upper GI bleeding: did anything change? Time trend analysis of incidence and outcome of acute upper GI bleeding between 1993/1994 and 2000M E van Leerdam
Department of Gastroenterology, Academic Medical Center, Amsterdam, The Netherlands
Am J Gastroenterol 98:1494-9. 2003..The aim of this study was to examine recent time trends in incidence and outcome of upper GI bleeding...
Factors associated with posttraumatic stress symptoms in a prospective cohort of patients after abdominal sepsis: a nomogramKimberly R Boer
Department of Clinical Epidemiology, Biostatistics and Bioinformatics, Academic Medical Center, University of Amsterdam, 1100 DE, PO Box 22700, Amsterdam, The Netherlands
Intensive Care Med 34:664-74. 2008..To determine to what extent patients who have survived abdominal sepsis suffer from symptoms of posttraumatic stress disorder (PTSD) and depression, and to identify potential risk factors for PTSD symptoms...
Validation of a cholangiographic prognostic model in primary sclerosing cholangitisC Y Ponsioen
Department of Gastroenterology and Hepatology, Academic Medical Center, Amsterdam, The Netherlands
Endoscopy 42:742-7. 2010..The aim of the present study was to validate the performance of this model in an external cohort...
Effects of dose, sex, and long-term abstention from use on toxic effects of MDMA (ecstasy) on brain serotonin neuronsL Reneman
Departments of Nuclear Medicine, Academic Medical Center, Meibergdreef 9, 1105 AZ, Amsterdam, Netherlands
Lancet 358:1864-9. 2001..We investigated the effects of moderate and heavy MDMA use, sex differences, and long-term effects of MDMA use on serotonin neurons in different brain regions...
Evaluation of diagnostic tests when there is no gold standard. A review of methodsA W S Rutjes
Department of Clinical Epidemiology, Biostatistics and Bioinformatics, Academical Medical Center, University of Amsterdam, The Netherlands
Health Technol Assess 11:iii, ix-51. 2007..To generate a classification of methods to evaluate medical tests when there is no gold standard...
Nationwide implementation of adjunctive dexamethasone therapy for pneumococcal meningitisM C Brouwer
Department of Neurology, Center of Infection and Immunity Amsterdam CINIMA, Academic Medical Center, Amsterdam, The Netherlands
Neurology 75:1533-9. 2010..In this nationwide prospective cohort study, we evaluated the implementation of adjunctive dexamethasone therapy in Dutch adults with pneumococcal meningitis...
[Dose-escalation of SSRIS in major depressive disorder. Should not be recommended in current guidelines]H G Ruhé
Universiteit van Amsterdam, Amsterdam
Tijdschr Psychiatr 52:615-25. 2010..A systematic review of the literature revealed uncertainty about the efficacy of dose escalation and pointed to methodological weaknesses in earlier research...
Prognosis of constipation: clinical factors and colonic transit timeF de Lorijn
Department of Paediatric Gastroenterology and Nutrition, Emma Children s Hospital Academic Medical Centre, Amsterdam, Netherlands
Arch Dis Child 89:723-7. 2004..Measurement of colonic transit time (CTT) is sometimes used in the evaluation of patients with chronic constipation...
Ethnic differences in TSH but not in free T4 concentrations or TPO antibodies during pregnancyN Benhadi
Department of Endocrinology and Metabolism, Academic Medical Centre Amsterdam, The Netherlands
Clin Endocrinol (Oxf) 66:765-70. 2007..To describe the TSH, free T4 and thyroid peroxidase antibody (TPO-Ab) concentrations during pregnancy among four ethnic groups and to determine reference values for these parameters during normal pregnancy...
Diagnostic tests in Hirschsprung disease: a systematic reviewF de Lorijn
Department of Paediatric Gastroenterology and Nutrition, Emma Children s Hospital Academic Medical Centre, Amsterdam, The Netherlands
J Pediatr Gastroenterol Nutr 42:496-505. 2006..We conducted a systematic review to determine and compare the diagnostic accuracy of contrast enema (CE), anorectal manometry (ARM) and rectal suction biopsy (RSB) in infants suspected of Hirschsprung disease...
Duration of meconium passage in preterm and term infantsN Bekkali
Department of Paediatric Gastroenterology and Nutrition, Emma Children s Hospital, Academic Medical Centre, AZ Amsterdam, The Netherlands
Arch Dis Child Fetal Neonatal Ed 93:F376-9. 2008..Hypothesis: Preterm infants have prolonged duration of passage of meconium (PoM) compared to term infants...
Glucose challenge test for detecting gestational diabetes mellitus: a systematic reviewM van Leeuwen
Department of Obstetrics and Gynaecology, Academic Medical Centre, Amsterdam, The Netherlands
BJOG 119:393-401. 2012..The best strategy to identify women with gestational diabetes mellitus (GDM) is unclear...
Brain natriuretic peptide in hemodynamically stable acute pulmonary embolismM Sohne
Department of Vascular Medicine, Academic Medical Center, Amsterdam, The Netherlands
J Thromb Haemost 4:552-6. 2006..Brain natriuretic peptide (BNP) is excreted from the cardiac ventricles in response to cardiomyocyte stretch and can be measured with an easy-to-perform blood test...
Risk of death after first admission for cardiovascular diseases by country of birth in The Netherlands: a nationwide record-linked retrospective cohort studyC Agyemang
Department of Social Medicine, Academic Medical Centre, University of Amsterdam, Meibergdreef 9, Amsterdam 1105 AZ, The Netherlands
Heart 95:747-53. 2009..To examine differences in short- (28 days) and long-term (5 years) risk of death in patients hospitalised for the first time for various cardiovascular diseases (CVD) by country of birth and/or parental country of birth...
Impact of stroke type on survival and functional healthA van Straten
Department of Social Medicine, Academic Medical Center, University of Amsterdam, The Netherlands
Cerebrovasc Dis 12:27-33. 2001..Long-term functional health outcomes were associated with stroke type. We conclude that the impact of stroke type on mortality is limited to the first 6 months, whereas the type of stroke influences the long-term functional health...
Symptomatic and asymptomatic abnormalities in patients with lumbosacral radicular syndrome: Clinical examination compared with MRIJeroen C van Rijn
Department of Clinical Epidemiology and Biostatistics, Academic Medical Center, Room J1B 210, Meibergdreef 9, 1105 AZ, Amsterdam, The Netherlands
Clin Neurol Neurosurg 108:553-7. 2006..To determine the frequency of symptomatic and asymptomatic herniated discs and root compression in patients with lumbosacral radicular syndrome (LRS) and to correlate clinical localization with MRI findings...
Systematic review and meta-analysis of immediate total-body computed tomography compared with selective radiological imaging of injured patientsJ C Sierink
Trauma Unit, Department of Surgery, Biostatistics and Bioinformatics, Amsterdam, The Netherlands
Br J Surg 99:52-8. 2012..The aim of this review was to assess the value of immediate total-body computed tomography (CT) during the primary survey of injured patients compared with conventional radiographic imaging supplemented with selective CT...
Diagnostic value of history taking in reflex syncopeN Colman
Dept. of Internal Medicine, Room F4-221, Academic Medical Centre, P.O. Box 22700, 1100 DE Amsterdam, The Netherlands
Clin Auton Res 14:37-44. 2004..However, a prospective study of the value of the medical history for the diagnosis of syncope with long-term follow-up has not been performed...
Nebulized bacitracin/colimycin: a treatment option in recalcitrant chronic rhinosinusitis with Staphylococcus aureus? A double-blind, randomized, placebo-controlled, cross-over pilot studyW J M Videler
Dept of Otorhinolaryngology, Academic Medical Center, Amsterdam, The Netherlands
Rhinology 46:92-8. 2008..We have performed a pilot study in order to determine whether nebulized topical antibiotic therapy improves sinusitis symptoms more than saline-based placebo in patients with recalcitrant chronic rhinosinusitis...
Narrow-band imaging compared with conventional colonoscopy for the detection of dysplasia in patients with longstanding ulcerative colitisE Dekker
Department of Gastroenterology and Hepatology, Academic Medical Center, Amsterdam, The Netherlands
Endoscopy 39:216-21. 2007..The aim of this study was to compare the accuracy of narrow-band imaging (NBI), a new imaging technique, with standard colonoscopy for the detection of neoplasia in patients with longstanding ulcerative colitis...
Prognostic nomogram for patients undergoing oesophagectomy for adenocarcinoma of the oesophagus or gastro-oesophageal junctionS M Lagarde
Department of Surgery, University of Amsterdam, Amsterdam, The Netherlands
Br J Surg 94:1361-8. 2007..Tumour node metastasis (TNM) staging predicts survival on the basis of the pathological extent of a tumour. The aim of this study was to develop a prognostic model with improved survival prediction after oesophagectomy...
[Reporting studies of diagnostic accuracy according to a standard method; the Standards for Reporting of Diagnostic Accuracy (STARD)]P M Bossuyt
Academisch Medisch Centrum Universiteit van Amsterdam, Afd Klinische Epidemiologie en Biostatistiek, Postbus 22 700, 1100 DE Amsterdam
Ned Tijdschr Geneeskd 147:336-40. 2003..Use of the checklist and flow diagram will improve the quality of reports produced, to the advantage of clinicians, researchers, reviewers, journal editors and other interested parties...
Higher maternal TSH levels in pregnancy are associated with increased risk for miscarriage, fetal or neonatal deathN Benhadi
Departments of Endocrinology and Metabolism Clinical Epidemiology, Biostatistics and Bioinformatics Social Science, Academic Medical Centre of the University of Amsterdam, Meibergdreef 9, 1105 AZ Amsterdam, The Netherlands
Eur J Endocrinol 160:985-91. 2009..To examine the relationship between maternal TSH and free thyroxine (FT(4)) concentrations in early pregnancy and the risk of miscarriage, fetal or neonatal death...
Seizures in adults with bacterial meningitisE Zoons
Department of Neurology, Academic Medical Center, Amsterdam, The Netherlands
Neurology 70:2109-15. 2008..To evaluate the occurrence and prognostic relevance of seizures in adults with community-acquired bacterial meningitis...
Use of methodological search filters to identify diagnostic accuracy studies can lead to the omission of relevant studiesM M G Leeflang
Academic Medical Center, Amsterdam, The Netherlands
J Clin Epidemiol 59:234-40. 2006..To determine the usefulness of methodological filters in search strategies for diagnostic studies in systematic reviews...
Meta-analysis of relaparotomy for secondary peritonitisB Lamme
Departments of Surgery and Clinical Epidemiology and Biostatistics, Academic Medical Centre, University of Amsterdam, The Netherlands
Br J Surg 89:1516-24. 2002..Planned relaparotomy and relaparotomy on demand are two frequently employed surgical treatment strategies for patients with abdominal sepsis...
PATCH: platelet transfusion in cerebral haemorrhage: study protocol for a multicentre, randomised, controlled trialKoen de Gans
Department of Neurology, Academic Medical Centre, H2 222, PO Box 22660 1100 DD Amsterdam, The Netherlands
BMC Neurol 10:19. 2010..Because intracerebral haemorrhage patients who are on antiplatelet therapy have been shown to be particularly at risk of early haematoma growth, platelet transfusion may have a beneficial effect...
Natural history of primary sclerosing cholangitis and prognostic value of cholangiography in a Dutch populationC Y Ponsioen
Department of Gastroenterology and Hepatology, Academic Medical Centre, Amsterdam, The Netherlands
Gut 51:562-6. 2002..Median survival of patients with primary sclerosing cholangitis (PSC) has been estimated to be 12 years. Cholangiography is the gold standard for diagnosis but is rarely used in estimating prognosis...
Functional constipation in infants: a follow-up studyM M van den Berg
Department of Pediatric Gastroenterology and Nutrition, Emma Children's Hospital, Amsterdam, The Netherlands
J Pediatr 147:700-4. 2005..We conclude that most infants with severe constipation evaluated at a tertiary center are recovered after 6 months. Early therapeutic intervention may beneficially contribute to the resolution of constipation...
Continuous event recorders did not affect anxiety or quality of life in patients with palpitationsEmmy Hoefman
Department of General Practice, Academic Medical Center, University of Amsterdam, PO Box 22700, 1100 DE, Amsterdam, The Netherlands
J Clin Epidemiol 60:1060-6. 2007..The aim is to determine anxiety and health-related (HR)-QoL and evaluate the burden of carrying a CER in general practice populations...
High diagnostic yield and accuracy of history, physical examination, and ECG in patients with transient loss of consciousness in FAST: the Fainting Assessment studyNynke van Dijk
Departments of Internal Medicine, Academic Medical Center, University of Amsterdam AMC UvA, Amsterdam, The Netherlands
J Cardiovasc Electrophysiol 19:48-55. 2008..Transient loss of consciousness (TLOC) is a common clinical problem...
Preoperative prediction of the occurrence and severity of complications after esophagectomy for cancer with use of a nomogramSjoerd M Lagarde
Department of Surgery, Academic Medical Center, University of Amsterdam, Amsterdam, The Netherlands
Ann Thorac Surg 85:1938-45. 2008..The aim of the present study was to develop a nomogram based on preoperative risk factors to predict the severity of complications in patients who undergo esophagectomy for cancer...
Extended transthoracic resection compared with limited transhiatal resection for adenocarcinoma of the mid/distal esophagus: five-year survival of a randomized clinical trialJikke M T Omloo
Department of Surgery, Academic Medical Center, University of Amsterdam, Amsterdam, The Netherlands
Ann Surg 246:992-1000; discussion 1000-1. 2007..To determine whether extended transthoracic esophagectomy for adenocarcinoma of the mid/distal esophagus improves long-term survival...
Cortisol and post-traumatic stress disorder in adults: systematic review and meta-analysisMarie Louise Meewisse
Center for Psychological Trauma, Academic Medical Center de Meren, Department of Psychiatry, University of Amsterdam, Meibergdreef 5, Amsterdam, The Netherlands
Br J Psychiatry 191:387-92. 2007..Post-traumatic stress disorder (PTSD) has inconsistently been associated with lower levels of cortisol...
Predictive value of history taking and physical examination in diagnosing arrhythmias in general practiceEmmy Hoefman
Department of General Practice, Academic Medical Center, University of Amsterdam, Amsterdam, The Netherlands
Fam Pract 24:636-41. 2007....
Influence of age and gender on the occurrence and presentation of reflex syncopeJacobus J C M Romme
Department of Clinical Epidemiology Biostatistics and Bioinformatics J1b 207 1, Academic Medical Center, Meibergdreef 9, 1105 AZ Amsterdam, The Netherlands
Clin Auton Res 18:127-33. 2008..Knowledge of the variation in incidence and clinical features of reflex syncope by age and gender provides important background information to acquire an accurate diagnosis...
Toward complete and accurate reporting of studies of diagnostic accuracy. The STARD initiativePatrick M Bossuyt
Dept of Clinical Epidemiology and Biostatistics, Academic Medical Center, University of Amsterdam, PO Box 22700, 1100 DE Amsterdam, The Netherlands
Am J Clin Pathol 119:18-22. 2003..If medical journals adopt the checklist and the flow diagram, the quality of reporting of studies of diagnostic accuracy should improve, to the advantage of clinicians, researchers, reviewers, journals, and the public...
Long-term functional outcome and risk factors for recurrence after surgical treatment for low and high perianal fistulas of cryptoglandular originPaul J van Koperen
Department of Surgery, Academic Medical Center, University of Amsterdam, Amsterdam, The Netherlands
Dis Colon Rectum 51:1475-81. 2008..This study assessed long-term functional outcome and explored risk factors for fistula recurrence in patients surgically treated for cryptoglandular fistulas...
A risk score for unfavorable outcome in adults with bacterial meningitisMartijn Weisfelt
Department of Neurology, Netherlands Reference Laboratory for Bacterial Meningitis, Academic Medical Center, Amsterdam, The Netherlands
Ann Neurol 63:90-7. 2008..To derive and validate a bedside risk score for adverse outcome in adults with bacterial meningitis...
Use of amphetamine by recreational users of ecstasy (MDMA) is associated with reduced striatal dopamine transporter densities: a [123I]beta-CIT SPECT study--preliminary reportLiesbeth Reneman
Department of Nuclear Medicine, Academic Medical Center, Meibergdreef 9, 1105 AZ Amsterdam, The Netherlands
Psychopharmacology (Berl) 159:335-40. 2002..However, little is known about the effects of ecstasy use or the combination of ecstasy and amphetamine use on dopamine (DA) neurones in the human brain...
Towards complete and accurate reporting of studies of diagnostic accuracy: the STARD initiativePatrick M Bossuyt
Department of Clinical Epidemiology and Biostatistics, Academic Medical Center-University of Amsterdam, P. O. Box 22700, 1100 DE Amsterdam, The Netherlands
AJR Am J Roentgenol 181:51-5. 2003..If medical journals adopt the checklist and the flow diagram, the quality of reporting of studies of diagnostic accuracy should improve to the advantage of clinicians, researchers, reviewers, journals, and the public...
Towards complete and accurate reporting of studies of diagnostic accuracy: the STARD initiativePatrick M Bossuyt
Department of Clinical Epidemiology, Amsterdam, The Netherlands
Ann Clin Biochem 40:357-63. 2003..To improve the accuracy and completeness of reporting of studies of diagnostic accuracy in order to allow readers to assess the potential for bias in a study and to evaluate the generalizability of its results...
Towards complete and accurate reporting of studies of diagnostic accuracy: the STARD initiative. The Standards for Reporting of Diagnostic Accuracy GroupPatrick M Bossuyt
Department of Clinical Epidemiology and Biostatistics, Academic Medical Center University of Amsterdam, PO Box 22700, 1100 DE Amsterdam, The Netherlands
Croat Med J 44:635-8. 2003..To improve the accuracy and completeness of reporting of studies of diagnostic accuracy in order to allow readers to assess the potential for bias in a study and to evaluate the generalizability of its results...
The STARD statement for reporting studies of diagnostic accuracy: explanation and elaboration. The Standards for Reporting of Diagnostic Accuracy GroupPatrick M Bossuyt
Department of Clinical Epidemiology and Biostatistics, Academic Medical Center University of Amsterdam, PO Box 22700, 1100 DE Amsterdam, The Netherlands
Croat Med J 44:639-50. 2003..Complete and informative reporting can only lead to better decisions in health care...
Mood disorders and serotonin transporter density in ecstasy users--the influence of long-term abstention, dose, and genderMaartje M L de Win
Department of Radiology G1 229, Academic Medical Center, University of Amsterdam, Meibergdreef 9, 1105 AZ, Amsterdam, The Netherlands
Psychopharmacology (Berl) 173:376-82. 2004..Neurotoxic effects of 3,4-methylenedioxymethamphetamine (MDMA, "ecstasy") on the serotonin (5-HT) system have been described in animals and humans, but little is known about long-term effects of ecstasy use on mood...
Sources of variation and bias in studies of diagnostic accuracy: a systematic reviewPenny Whiting
University of York, York, United Kingdom
Ann Intern Med 140:189-202. 2004..Studies of diagnostic accuracy are subject to different sources of bias and variation than studies that evaluate the effectiveness of an intervention. Little is known about the effects of these sources of bias and variation...
Towards complete and accurate reporting of studies of diagnostic accuracy: the STARD initiativePatrick M Bossuyt
Department of Clinical Epidemiology and Biostatistics, Academic Medical Center, University of Amsterdam, Amsterdam, The Netherlands
Fam Pract 21:4-10. 2004..Our aim was to improve the accuracy and completeness of reporting of studies of diagnostic accuracy in order to allow readers to assess the potential for bias in a study and to evaluate the generalizability of its results...
Clinical features and prognostic factors in adults with bacterial meningitisDiederik van de Beek
Department of Neurology, Academic Medical Center, University of Amsterdam, Amsterdam, The Netherlands
N Engl J Med 351:1849-59. 2004..We conducted a nationwide study in the Netherlands to determine clinical features and prognostic factors in adults with community-acquired acute bacterial meningitis...
A systematic review finds that diagnostic reviews fail to incorporate quality despite available toolsPenny Whiting
Centre for Reviews and Dissemination, University of York, United Kingdom
J Clin Epidemiol 58:1-12. 2005..To review existing quality assessment tools for diagnostic accuracy studies and to examine to what extent quality was assessed and incorporated in diagnostic systematic reviews...
Toward complete and accurate reporting of studies of diagnostic accuracy: the STARD initiativePatrick M Bossuyt
Department of Clinical Epidemiology and Biostatistics, Academic Medical Center, University of Amsterdam, PO Box 22700, 1100 DE Amsterdam, The Netherlands
Acad Radiol 10:664-9. 2003....
Towards complete and accurate reporting of studies of diagnostic accuracy: the STARD initiativePatrick M Bossuyt
Academic Medical Center, Department of Clinical Epidemiology, University of Amsterdam, Amsterdam, The Netherlands
Clin Chem Lab Med 41:68-73. 2003..To improve the accuracy and completeness of reporting of studies of diagnostic accuracy, to allow readers to assess the potential for bias in the study and to evaluate its generalisability...
Expectant management versus surgical evacuation in first trimester miscarriage: health-related quality of life in randomized and non-randomized patientsMargreet Wieringa-de Waard
Academic Medical Center University of Amsterdam, Department of General Practice Family Medicine, Amsterdam, The Netherlands
Hum Reprod 17:1638-42. 2002..We assessed health-related quality of life (HRQL) differences over time between expectant and surgical management in women with a miscarriage...
Prognostic significance of elevated cyclooxygenase 2 expression in patients with adenocarcinoma of the esophagusChristianne J Buskens
Department of Surgery, Academic Medical Center, University of Amsterdam, The Netherlands
Gastroenterology 122:1800-7. 2002..These findings support the effort to initiate clinical studies to investigate the effect of COX-2 inhibitors as a novel (adjuvant) chemotherapeutic modality for the treatment of adenocarcinoma arising from Barrett's esophagus...
Towards complete and accurate reporting of studies of diagnostic accuracy: the STARD initiative. Standards for Reporting of Diagnostic AccuracyPatrick M Bossuyt
Department of Clinical Epidemiology and Biostatistics, Academic Medical Center University of Amsterdam, 1100 DE Amsterdam, The Netherlands
Clin Chem 49:1-6. 2003..To comprehend the results of diagnostic accuracy studies, readers must understand the design, conduct, analysis, and results of such studies. That goal can be achieved only through complete transparency from authors...
The STARD statement for reporting studies of diagnostic accuracy: explanation and elaborationPatrick M Bossuyt
Department of Clinical Epidemiology and Biostatistics, Academic Medical Center University of Amsterdam, 1100 DE Amsterdam, The Netherlands
Clin Chem 49:7-18. 2003..Complete and informative reporting can only lead to better decisions in healthcare...
Towards complete and accurate reporting of studies of diagnostic accuracy: the STARD initiativePatrick M Bossuyt
Department of Clinical Epidemiology and Biostatistics, Academic Medical Center, University of Amsterdam, PO Box 22700, 1100 DE Amsterdam, Netherlands
BMJ 326:41-4. 2003..To improve the accuracy and completeness of reporting of studies of diagnostic accuracy, to allow readers to assess the potential for bias in a study, and to evaluate a study's generalisability...
Towards complete and accurate reporting of studies of diagnostic accuracy: The STARD InitiativePatrick M Bossuyt
Department of Clinical Epidemiology and Biostatistics, Academic Medical Center, University of Amsterdam, The Netherlands
Radiology 226:24-8. 2003..To improve the accuracy and completeness of reporting of studies of diagnostic accuracy, to allow readers to assess the potential for bias in the study and to evaluate its generalisability...
Towards complete and accurate reporting of studies of diagnostic accuracy: The STARD InitiativePatrick M Bossuyt
Department of Clinical Epidemiology and Biostatistics, Academic Medical Center, University of Amsterdam, PO Box 22700, 1100 DE Amsterdam, The Netherlands
Ann Intern Med 138:40-4. 2003..If medical journals adopt the checklist and the flow diagram, the quality of reporting of studies of diagnostic accuracy should improve to the advantage of the clinicians, researchers, reviewers, journals, and the public...
The STARD statement for reporting studies of diagnostic accuracy: explanation and elaborationPatrick M Bossuyt
Department of Clinical Epidemiology and Biostatistics, Academic Medical Center, University of Amsterdam, PO Box 22700, 1100 DE Amsterdam, The Netherlands
Ann Intern Med 138:W1-12. 2003..Complete and informative reporting can only lead to better decisions in health care...
Towards complete and accurate reporting of studies of diagnostic accuracy: the STARD initiativePatrick M Bossuyt
Department of Clinical Epidemiology and Biostatistics, Academic Medical Center, University of Amsterdam, 1100 DE Amsterdam, The Netherlands
Clin Biochem 36:2-7. 2003..To improve the accuracy and completeness of reporting of studies of diagnostic accuracy in order to allow readers to assess the potential for bias in the study and to evaluate its generalisability...
Quality of reporting of diagnostic accuracy studiesNynke Smidt
Institute for Research in Extramural Medicine, VU University Medical Center, Van der Boechorststraat 7, 1081 BT Amsterdam, The Netherlands
Radiology 235:347-53. 2005..Authors, editors, and reviewers should pay more attention to reporting by checking STARD statement items and including a flow diagram to represent study design and patient flow...
Management of asymptomatic anthracycline-induced cardiac damage after treatment for childhood cancer: a postal survey among Dutch adult and pediatric cardiologistsElvira C van Dalen
Department of Pediatric Oncology, Emma Children s Hospital Academic Medical Center, Meibergdreef 9, 1105 AZ Amsterdam, The Netherlands
J Pediatr Hematol Oncol 27:319-22. 2005..Until then, the authors recommend centralizing the treatment of childhood cancer survivors with asymptomatic A-CD in a specialized center to cluster the available knowledge and experience...
Short- and long-term prognosis after acute myocardial infarction in men versus womenHuiberdina L Koek
Julius Center for Health Sciences and Primary Care, University Medical Center Utrecht, Utrecht, The Netherlands
Am J Cardiol 98:993-9. 2006....
Community-acquired bacterial meningitis in older peopleMartijn Weisfelt
Department of Neurology, Academic Medical Center, Amsterdam, The Netherlands
J Am Geriatr Soc 54:1500-7. 2006..To describe clinical features of bacterial meningitis in older people...
Lifetime cumulative incidence of syncope in the general population: a study of 549 Dutch subjects aged 35-60 yearsKarin S Ganzeboom
Department of Internal Medicine, Academic Medcial Hospital, Amsterdam, The Netherlands
J Cardiovasc Electrophysiol 17:1172-6. 2006..Females experience syncope more often than males. The majority of the syncope triggers were related to conditions that affect orthostatic blood pressure regulation and vasomotor responses...
A comparison of primary two- and three-dimensional methods to review CT colonographyRogier E van Gelder
Department of Radiology, Academic Medical Center of the University of Amsterdam, Meibergdreef 9, 1105 AZ, Amsterdam, The Netherlands
Eur Radiol 17:1181-92. 2007..3/17; p-values > or = 0.45), number of false positives: 33.3 and 15.6, and perceptive errors : 4 and 6 (p = 0.53). No significant differences were found in the detection of large and medium-sized polyps between primary 3D and 2D review...
Treatment of acute posttraumatic stress disorder with brief cognitive behavioral therapy: a randomized controlled trialMarit Sijbrandij
Academic Medical Center of the University of Amsterdam, Department of Psychiatry, Center for Psychological Trauma, Tafelbergweg 25, 1105 BC, Amsterdam
Am J Psychiatry 164:82-90. 2007..The purpose of this study was to evaluate the efficacy of brief cognitive behavioral therapy for patients with acute posttraumatic stress disorder (PTSD) resulting from various types of psychological trauma...
Long-term prevalence of post-traumatic stress disorder symptoms in patients after secondary peritonitisKimberly R Boer
Department of Clinical Epidemiology and Biostatistics, Academic Medical Center, Amsterdam, The Netherlands
Crit Care 11:R30. 2007....
