Research Topics
| J KievitSummaryAffiliation: Leiden University Medical Center Country: The Netherlands Publications
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Detail Information
Publications
Evaluation of routinely reported surgical site infections against microbiological culture results: a tool to identify patient groups where diagnosis and treatment may be improvedMarco Krukerink
Department of Medical Decision Making, Leiden University Medical Centre, Leiden, The Netherlands
BMC Infect Dis 9:176. 2009..Aim of the present study was to evaluate routinely reported SSI by surgeons against microbiological culture results, to identify patient groups with lower agreement where decision making may be improved...
[The effect of treatment delay on the prognosis of breast cancer patients]J Kievit
Leids Universitair Medisch Centrum, afd Heelkunde Medische Besliskunde, Postbus 9600, 2300 RC Leiden
Ned Tijdschr Geneeskd 146:1031-4. 2002..Such considerations are valid not only for breast cancer patients, but for all patients in whom delay may result in serious health loss...
Follow-up of patients with colorectal cancer: numbers needed to test and treatJ Kievit
Department of Surgery, Leiden University Medical Center, Leiden, The Netherlands
Eur J Cancer 38:986-99. 2002..As support that is as good or even better can be provided by a patient's general practitioner (GP) or by specialised nursing personnel, there is no need for routine follow-up to be performed by the surgeon...
Surgical adverse outcome reporting as part of routine clinical careJ Kievit
Department of Medical Decision Making, Leiden University Medical Centre, The Netherlands
Qual Saf Health Care 19:e20. 2010..The key elements of this system are (1) an unequivocal definition of an adverse outcome, (2) appropriate contextual information and (3) a three-dimensional hierarchical classification system...
Focusing on desired outcomes of care after colon cancer resections; hospital variations in 'textbook outcome'N E Kolfschoten
Leiden University Medical Centre, Dept of Surgery K6 R, P O Box 9600, 2300 RC Leiden, The Netherlands
Eur J Surg Oncol 39:156-63. 2013..The aim of this study was to investigate hospital variation in the proportion of patients with a 'textbook outcome' after colon cancer resections in the Netherlands...
The relative importance of quality of care information when choosing a hospital for surgical treatment: a hospital choice experimentP J Marang-van de Mheen
Department of Medical Decision Making, Leiden University Medical Center, The Netherlands
Med Decis Making 31:816-27. 2011..To assess the impact of quality of care and other hospital information on patients' choices between hospitals...
Stability of patients' preferences for chemotherapy: the impact of experienceS J Jansen
Department of Clinical Oncology, Leiden University Medical Center, The Netherlands
Med Decis Making 21:295-306. 2001..However, other studies have found that utilities for a particular health state may differ between patient groups who are and who are not experiencing the particular health state (between-group differences)...
Combining process indicators to evaluate quality of care for surgical patients with colorectal cancer: are scores consistent with short-term outcome?N E Kolfschoten
Department of Surgery, Leiden University Medical Center, PO Box 9600, Leiden 2300 RC, The Netherlands
BMJ Qual Saf 21:481-9. 2012..To determine if composite measures based on process indicators are consistent with short-term outcome indicators in surgical colorectal cancer care...
Variation in case-mix between hospitals treating colorectal cancer patients in the NetherlandsN E Kolfschoten
Leiden University Medical Centre, Dept of Surgery, The Netherlands
Eur J Surg Oncol 37:956-63. 2011....
Nonelective colon cancer resections in elderly patients: results from the dutch surgical colorectal auditN E Kolfschoten
Department of Surgery, Leiden University Medical Center, Leiden, The Netherlands
Dig Surg 29:412-9. 2012..The aim of the study was to assess which factors contribute to postoperative mortality, especially in elderly patients who undergo emergency colon cancer resections, using a nationwide population-based database...
The effect of individually assessed preference weights on the relationship between holistic utilities and nonpreference-based assessmentS J Jansen
Department of Medical Decision Making, Leiden University Medical Center, Leiden, The Netherlands
Qual Life Res 9:541-57. 2000..In this study, assigning individually assessed preference weights to self-reported level of functioning did not result in stronger relationships with utilities...
Adverse outcomes after discharge: occurrence, treatment and determinantsP J Marang-van de Mheen
Department of Medical Decision Making, Leiden University Medical Centre, J10 S, PO Box 9600, 2300 RC Leiden, The Netherlands
Qual Saf Health Care 17:47-52. 2008..1) to estimate the occurrence of postdischarge adverse outcomes in surgical patients and their treatment; (2) to explore determinants during admission that may influence the occurrence of postdischarge adverse outcomes...
Choosing between hospitals: the influence of the experiences of other patientsI B de Groot
Department of Medical Decision Making, Leiden University Medical Center, Leiden, The Netherlands
Med Decis Making 32:764-78. 2012..The aim of this study was to assess the influence of previous patients' experiences relative to other information when choosing a hospital for surgical treatment...
Results of a national survey among Dutch surgeons treating patients with colorectal carcinoma. Current opinion about follow-up, treatment of metastasis, and reasons to revise follow-up practiceI Grossmann
Department of Surgery, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
Colorectal Dis 9:787-92. 2007..The common clinical practice and opinion about follow-up for colorectal carcinoma, was evaluated by means of a survey among Dutch general surgeons...
Is the impact of hospital performance data greater in patients who have compared hospitals?Ingrid B de Groot
Department of Medical Decision Making, Leiden University Medical Center, The Netherlands
BMC Health Serv Res 11:214. 2011..g. advice of their general practitioner and consider other information important than patients who have not compared hospitals...
Improving the quality of surgeons' treatment decisions: a comparison of clinical decision making with a computerised evidence based decision analytical modelD Timmermans
Medical Decision Making Unit, Leiden University Medical Center, K6 R, PO Box 9600, 2300 RC Leiden, The Netherlands
Qual Health Care 10:4-9. 2001..The purpose of this study is to demonstrate to what extent an evidence based decision model can improve physicians' decisions and whether a selective use of the decision model is feasible...
Adverse outcomes in surgical patients: implementation of a nationwide reporting systemP J Marang-van de Mheen
Department of Medical Decision Making, Leiden University Medical Centre, The Netherlands
Qual Saf Health Care 15:320-4. 2006..Lack of comparable data on adverse outcomes in hospitalised surgical patients...
Multiattribute utility scores for predicting family physicians' decisions regarding sinusitisG H de Bock
Medical Decision Making Unit, Leiden University Medical Center, The Netherlands
Med Decis Making 19:58-65. 1999..It is concluded that MAU scores may be used to predict family physicians' decisions regarding the management of patients suspected of having sinusitis where there are significant differences in values between the highest MAU scores...
Internet-based self-management plus education compared with usual care in asthma: a randomized trialVictor van der Meer
Leiden University Medical Center, Leiden, The Netherlands
Ann Intern Med 151:110-20. 2009..The Internet may support patient self-management of chronic conditions, such as asthma...
Clinical ethical dilemmas: convergent and divergent views of two scholarly communitiesA M Stiggelbout
Department of Medical Decision Making, Leiden University Medical Center, P O Box 9600, 2300 RC Leiden, The Netherlands
J Med Ethics 32:381-8. 2006..Method: Four questions, with structured multiple alternatives, were asked about each case: identified core problems, needed additional information, appropriate next steps and who the decision maker should be. Observations and..
Surgery groups differed in adverse outcome probabilities and can be used to adjust hospital comparisonsP J Marang-van de Mheen
Association of Surgeons of the Netherlands, Utrecht, The Netherlands
J Clin Epidemiol 58:56-62. 2005..The purpose of this study was to assess whether surgery groups differ in adverse outcome probabilities, to decide whether hospital comparisons on adverse outcomes should be adjusted for differences in surgery groups...
Genetic counselling and the intention to undergo prophylactic mastectomy: effects of a breast cancer risk assessmentS van Dijk
Department of Medical Decision Making, Leiden University Medical Center, PO Box 9600, The Netherlands
Br J Cancer 88:1675-81. 2003..Therefore, interventions aimed at improving decision making on prophylactic mastectomy should explicitly address precounselling factors, such as personal beliefs and the psychological impact of the family medical history...
Implicit normativity in evidence-based medicine: a plea for integrated empirical ethics researchA C Molewijk
Department of Medical Decision Making 1087, Leiden University Medical Center LUMC, P O Box 9600, 2300 RC Leiden, The Netherlands
Health Care Anal 11:69-92. 2003..e., a cooperation that goes beyond the discipline-specific epistemic values and that takes place during all phases of the research process...
Ideals of patient autonomy in clinical decision making: a study on the development of a scale to assess patients' and physicians' viewsA M Stiggelbout
Department of Medical Decision Making, Leiden University Medical Center, PO Box 9600, 2300 RC Leiden, The Netherlands
J Med Ethics 30:268-74. 2004..This paper describes the development of a questionnaire to assess such concepts of autonomy...
Patient's needs and preferences in routine follow-up after treatment for breast cancerG H de Bock
Department of Medical Decision Making, Leiden University Medical Center, Leiden, The Netherlands
Br J Cancer 90:1144-50. 2004....
[Automated registration of adverse events in surgical patients in the Netherlands: the current status]P J Marang-van de Mheen
Leids Universitair Medisch Centrum, sectie Medische Besliskunde, Postbus 9600, 2300 RC Leiden
Ned Tijdschr Geneeskd 147:1273-7. 2003..To describe the registration of adverse events and the use of the National Surgical Adverse Event Registration (LHCR) software, to analyse possible bottlenecks and to give possibilities for further implementation...
Volume- or outcome-based referral to improve quality of care for esophageal cancer surgery in The NetherlandsM W J M Wouters
Department of Surgery, Leiden University Medical Center, Leiden, The Netherlands
J Surg Oncol 99:481-7. 2009..In addition, we compare the expected benefits of volume-based referral to the results of a regional centralization process based on differences in outcome (outcome-based referral)...
Surgical adverse outcomes and patients' evaluation of quality of care: inherent risk or reduced quality of care?P J Marang-van de Mheen
Department of Medical Decision Making, Leiden University Medical Center, J10 S, PO Box 9600, 2300 RC Leiden, The Netherlands
Postgrad Med J 84:93-8. 2008..The present study aimed to assess whether patients who experience adverse outcomes, in hospital or after discharge, differ in their evaluation of quality of care compared with patients without adverse outcomes...
GPs' management of women seeking help for familial breast cancerG H de Bock
Department of General Practice, Leiden University Medical Centre, The Netherlands
Fam Pract 16:463-7. 1999..These guidelines do not give sufficient information to define whether there is an increased risk for breast cancer. These guidelines need to be refined...
Antibiotic prescription for acute sinusitis in otherwise healthy adults. Clinical cure in relation to costsG H de Bock
Department of Medical Decision Making, Leiden University Medical Centre, The Netherlands
Scand J Prim Health Care 19:58-63. 2001..Further diagnostic procedures did not improve outcome in terms of marginal cost-effectiveness. CONCLUSIONS: In patients presenting with acute sinusitis, postponing antibiotics for 1 week is the most cost-effective strategy...
Cost-effectiveness analysis of colorectal cancer treatmentsW B van den Hout
Department of Medical Decision Making, Leiden University Medical Center, PO Box 9600, 2300 RC, Leiden, The Netherlands
Eur J Cancer 38:953-63. 2002..To gain credibility, the methodology applied in CEAs must be further improved. Costs are rarely estimated from the societal perspective, and little is known about how colorectal patients value their treatment and health...
Long-term results of total adrenalectomy for Cushing's diseaseS K Nagesser
Department of Surgery, Leiden University Medical Center, P O Box 9600, 2300 RC Leiden, The Netherlands
World J Surg 24:108-13. 2000..Pituitary irradiation prior to total adrenalectomy delays the onset of Nelson's syndrome...
High dose chemotherapy followed by autologous peripheral blood stem cell transplantation or conventional pharmacological treatment for refractory rheumatoid arthritis? A Markov decision analysisR J Verburg
Department of Rheumatology and Medical Decision Making, Leiden University Medical Center, The Netherlands
J Rheumatol 28:719-27. 2001....
Patients' preferences for adjuvant chemotherapy in early-stage breast cancer: is treatment worthwhile?S J Jansen
Department of Medical Decision Making, K6 R Leiden University Medical Center, PO Box 9600, 2300 RC Leiden, The Netherlands
Br J Cancer 84:1577-85. 2001....
Optimal follow-up strategies after aorto-iliac prosthetic reconstruction: a decision analysis and cost-effectiveness analysisP N Post
Department of Medical Decision Making, Leiden University Medical Center, Leiden, The Netherlands
Eur J Vasc Endovasc Surg 28:287-95. 2004..Since patients with aorto-distal tube and aorto-bi-femoral prostheses do not benefit from follow-up for the detection of false aneurysms, this practice should be discouraged in these patient groups...
The importance of experienced adverse outcomes on patients' future choice of a hospital for surgeryP J Marang-van de Mheen
Department of Medical Decision Making, Leiden University Medical Center, J10 S, PO Box 9600, Leiden 2300 RC, The Netherlands
Qual Saf Health Care 19:e16. 2010..To assess whether patients who experience adverse outcomes during hospitalisation or after discharge differ in the information they would use for future choices of a hospital for surgery compared with patients without any adverse outcomes...
Effectiveness of routine visits and routine tests in detecting isolated locoregional recurrences after treatment for early-stage invasive breast cancer: a meta-analysis and systematic reviewG H de Bock
Department of Medical Decision Making, Leiden University Medical Center, PO Box 9600, 2300 RC Leiden, The Netherlands
J Clin Oncol 22:4010-8. 2004..To review the effectiveness of routine visits and routine tests in detecting isolated locoregional recurrences in asymptomatic patients after treatment for early-stage invasive breast cancer...
Effectiveness of routine reporting to identify minor and serious adverse outcomes in surgical patientsP J Marang-van de Mheen
Department of Medical Decision Making, Leiden University Medical Centre, The Netherlands
Qual Saf Health Care 14:378-82. 2005..To assess the effectiveness of routine reporting to identify surgical adverse outcomes in comparison with retrospective medical record review...
Diagnosis and treatment of adrenal incidentaloma. A cost-effectiveness analysisJ Kievit
Medical Decision Making Unit, Leiden University Medical Center, The Netherlands
Endocrinol Metab Clin North Am 29:69-90, viii-ix. 2000..Small or medium-sized adrenal incidentalomas may be ignored if MR imaging or other tests suggest benign pheochromocytoma disorder, or patients are elderly, or both...
Diagnostic value of serum thyroglobulin measurements in the follow-up of differentiated thyroid carcinoma, a structured meta-analysisC F A Eustatia-Rutten
Department of Endocrinology, Leiden University Medical Centre, Leiden, The Netherlands
Clin Endocrinol (Oxf) 61:61-74. 2004..CONCLUSION: This study confirms that the best accuracy of Tg-guided follow-up in patients treated for differentiated thyroid carcinoma is obtained if treatment includes remnant ablation, and Tg testing is performed while off thyroxine...
What do women really want to know? Motives for attending familial breast cancer clinicsC J van Asperen
J Med Genet 39:410-4. 2002
[Registration of complications of medical treatment]J Kievit
Ned Tijdschr Geneeskd 147:1609-10; author reply 1610-1. 2003
Extremely long survival in six patients despite recurrent and metastatic adrenal carcinomaI G C Hermsen
Department of Internal Medicine, Maxima Medical Centre, PO Box 90052, 5600 PD Eindhoven, The Netherlands
Eur J Endocrinol 158:911-9. 2008..Adrenal cortical carcinoma (ACC) is an aggressive tumour with a high mortality. We describe six patients living 12-28 years despite recurrent and/or metastatic ACC...
A decision-analytic approach to obtain evidence-based vascular follow-up practicesP N Post
Eur J Vasc Endovasc Surg 24:186. 2002
[Frankness regarding errors in medical care]J Legemaate
VU Medisch Centrum, Instituut voor Extramuraal Geneeskundig Onderzoek, Van der Boechorststraat 7, 1081 BT Amsterdam
Ned Tijdschr Geneeskd 151:319-22. 2007..Psychological factors hindering the full disclosure of errors require continued attention...
Response to "Patient organisations should also establish databanks on medical complications"P J Marang-van de Mheen
J Med Ethics 30:609-10. 2004
