Research Topics
| M A PuhanSummaryAffiliation: Horten Centre Country: Switzerland Publications
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Detail Information
Publications
Observational studies on ultrasound screening for developmental dysplasia of the hip in newborns - a systematic reviewM A Puhan
Horten Centre for Patient Oriented Research, University Zurich, Switzerland
Ultraschall Med 24:377-82. 2003..To assess whether observational studies provide evidence to support general ultrasound screening for developmental dysplasia of the hip (DDH)...- More medical journals should inform their contributors about three key principles of graph constructionMilo A Puhan
Horten Centre, University of Zurich, 8091 Zurich, Switzerland
J Clin Epidemiol 59:1017-22. 2006..To identify key principles of graph construction and to review guidance on graph construction provided by medical journals... - A randomized trial of ways to describe test accuracy: the effect on physicians' post-test probability estimatesMilo A Puhan
University of Zurich, Zurich, Switzerland
Ann Intern Med 143:184-9. 2005..Some people believe that likelihood ratios provide diagnostic information that is more useful than sensitivity and specificity estimates... - Respiratory rehabilitation after acute exacerbation of COPD may reduce risk for readmission and mortality -- a systematic reviewMilo A Puhan
Horten Centre, University of Zurich, Switzerland
Respir Res 6:54. 2005..To study whether respiratory rehabilitation after acute exacerbation improves prognosis and health status compared to usual care, we quantified its effects using meta-analyses... - Internal consistency reliability is a poor predictor of responsivenessMilo A Puhan
Horten Centre, University Hospital, Postfach Nord, 8091 Zurich, Switzerland
Health Qual Life Outcomes 3:33. 2005..We addressed the claims of a recent study, which suggested that investigators could rely on internal consistency to reflect instrument responsiveness... - How should COPD patients exercise during respiratory rehabilitation? Comparison of exercise modalities and intensities to treat skeletal muscle dysfunctionM A Puhan
Horten Centre, University Hospital of Zurich, Switzerland
Thorax 60:367-75. 2005..A study was undertaken to systematically evaluate and summarise randomised controlled trials (RCTs) comparing different exercise protocols for COPD patients... - Measurement of agreement on health-related quality of life changes in response to respiratory rehabilitation by patients and physicians--a prospective studyMilo A Puhan
Horten Centre, University Hospital of Zurich, Bolleystrasse 40, CH 8091 Zurich, Switzerland
Respir Med 98:1195-202. 2004..The objective of this study was to assess agreement between patients and physicians on health-related quality of life (HRQL) changes in response to respiratory rehabilitation and to explore sources for disagreement... - Self-administration and interviewer-administration of the German Chronic Respiratory Questionnaire: instrument development and assessment of validity and reliability in two randomised studiesMilo A Puhan
Horten Centre, University Hospital of Zurich, Postfach Nord CH 8091 Zurich, Switzerland
Health Qual Life Outcomes 2:1. 2004.... - Value of supplemental interventions to enhance the effectiveness of physical exercise during respiratory rehabilitation in COPD patients. A systematic reviewMilo A Puhan
University of Zurich, Horten Centre, Switzerland
Respir Res 5:25. 2004..The aim of this research was to assess randomised controlled trials (RCTs) testing the additional benefit of supplemental interventions during respiratory rehabilitation in COPD patients... - Self-administration and standardisation of the chronic respiratory questionnaire: a randomised trial in three German-speaking countriesMilo A Puhan
Horten Centre, University of Zurich, Postfach Nord, CH 8091 Zurich, Switzerland
Respir Med 98:342-50. 2004..Taken these results into consideration, researchers in COPD, in particular those in German-language countries can utilise any one of four CRQ formats that have proved both valid and responsive... - COPD patients' ability to follow exercise influences short-term outcomes of rehabilitationM A Puhan
Horten Centre, University Hospital of Zurich, Postfach Nord, CH 8091 Zurich, Switzerland
Eur Respir J 31:304-10. 2008..14). Limited ability to follow exercise protocols is associated with smaller benefits of rehabilitation. This finding highlights the importance of choosing tolerable exercise protocols for chronic obstructive pulmonary disease patients... - Interpretation of treatment changes in 6-minute walk distance in patients with COPDM A Puhan
Horten Centre, University Hospital of Zurich, Postfach Nord, CH 8091 Zurich, Switzerland
Eur Respir J 32:637-43. 2008..This corresponds to a 10% change of baseline 6-min walk distance. The low correlations of 6-min walk distance with patient-reported anchors question whether a minimal important difference exists for the 6-min walk distance... - The standard gamble showed better construct validity than the time trade-offMilo A Puhan
Horten Centre, University of Zurich, Switzerland
J Clin Epidemiol 60:1029-33. 2007..There is little evidence for the relative cross-sectional validity of the standard gamble (SG) and time trade-off (TTO). We compared these preference-based instruments in patients with Irritable Bowel Syndrome (IBS)... - Quality of randomised trials in COPDB Bausch
Horten Centre for patient oriented research and knowledge transfer, University of Zurich, Switzerland
Eur Respir J 34:1060-5. 2009..06). The quality of many COPD trials is low but tends to become better since the adoption of the CONSORT (Consolidated Standards of Reporting Trials) statement... - Sample sizes of studies on diagnostic accuracy: literature surveyLucas M Bachmann
Division of Epidemiology and Biostatistics, Department of Social and Preventive Medicine, University of Bern, Switzerland
BMJ 332:1127-9. 2006..To determine sample sizes in studies on diagnostic accuracy and the proportion of studies that report calculations of sample size... - Validation of a symptom diary for patients with gastro-oesophageal reflux diseaseM A Puhan
Horten Centre, University of Zurich, Switzerland
Aliment Pharmacol Ther 23:531-41. 2006..8 tablets taken, 95% CI -2.3 to -1.3 and standardized response mean of 0.64). CONCLUSIONS: The excellent psychometric properties of this simple gastro-oesophageal reflux disease diary make it an attractive measure for future trials... - Smoking cessation interventions in COPD: a network meta-analysis of randomised trialsR Strassmann
Horten Centre for patient oriented research and knowledge transfer, University of Zurich, Switzerland
Eur Respir J 34:634-40. 2009..07). A small body of evidence suggests that SCC combined with NRT is more effective than other combinations and single smoking cessation treatments in COPD, but substantially more research is needed for this most important COPD treatment... - Combining scores from different patient reported outcome measures in meta-analyses: when is it justified?Milo A Puhan
Horten Centre, University of Zurich, Switzerland
Health Qual Life Outcomes 4:94. 2006.... - What is the impact of the ACE gene insertion/deletion (I/D) polymorphism on the clinical effectiveness and adverse events of ACE inhibitors?--Protocol of a systematic reviewM Scharplatz
Horten Centre, University of Zurich, Switzerland
BMC Med Genet 5:23. 2004.... - Exacerbations of chronic obstructive pulmonary disease: when are antibiotics indicated? A systematic reviewMilo A Puhan
Horten Centre, University Hospital of Zurich, Postfach Nord, Zurich, Switzerland
Respir Res 8:30. 2007..The aim of this systematic review was to analyse randomised controlled trials investigating the clinical benefit of antibiotics for COPD exacerbations... - Interval versus continuous high-intensity exercise in chronic obstructive pulmonary disease: a randomized trialMilo A Puhan
University of Zurich, Zurich, Switzerland
Ann Intern Med 145:816-25. 2006.... - Relative responsiveness of the Chronic Respiratory Questionnaire, St. Georges Respiratory Questionnaire and four other health-related quality of life instruments for patients with chronic lung diseaseMilo A Puhan
Horten Centre, University of Zurich, Switzerland
Respir Med 101:308-16. 2007..The objective of this study was to compare the responsiveness of the Chronic Respiratory Questionnaire (CRQ), the St. Georges Respiratory Questionnaire (SGRQ) and four other HRQL instruments... - The standard gamble demonstrated lower reliability than the feeling thermometerMilo A Puhan
Horten Center, University of Zurich, Zurich, Switzerland
J Clin Epidemiol 58:458-65. 2005..Investigators should use appropriate reliability statistics when addressing related issues... - Prediction of first coronary events with the Framingham score: a systematic reviewKlaus Eichler
Horten Centre for Patient Oriented Research, University Hospital of Zurich, Postfach Nord, Zurich, Switzerland
Am Heart J 153:722-31, 731.e1-8. 2007..Uncertainty exists about the performance of the Framingham risk score when applied in different populations... - Didgeridoo playing as alternative treatment for obstructive sleep apnoea syndrome: randomised controlled trialMilo A Puhan
Horten Centre, University of Zurich, 8091 Zurich, Switzerland
BMJ 332:266-70. 2006..CONCLUSION: Regular didgeridoo playing is an effective treatment alternative well accepted by patients with moderate obstructive sleep apnoea syndrome. Trial registration ISRCTN: 31571714... - Development and validation of a prediction score for postoperative acute renal failure following liver resectionKsenija Slankamenac
Swiss Hepato Pancreato Biliary Center, Department of Surgery, University Hospital of Zurich, Zurich CH 8091, Switzerland
Ann Surg 250:720-8. 2009..To develop and validate a score to predict postoperative acute renal failure (ARF) after liver resection... - Self-efficacy instruments for patients with chronic diseases suffer from methodological limitations--a systematic reviewAnja Frei
Department of General Practice and Health Services Research, University Hospital of Zurich, Switzerland
Health Qual Life Outcomes 7:86. 2009..Our aim was to systematically identify all existing self-efficacy scales for five major chronic diseases and to assess their development and validation process... - Recruitment barriers in a randomized controlled trial from the physicians' perspective: a postal surveyAnne Spaar
Horten Centre for patient oriented research and knowledge transfer, University of Zurich, Switzerland
BMC Med Res Methodol 9:14. 2009..Therefore, our aim was to conduct a postal survey among recruiting physicians of a multi-center trial to weigh barriers according to their impact on recruitment... - Inhaled drugs to reduce exacerbations in patients with chronic obstructive pulmonary disease: a network meta-analysisMilo A Puhan
Horten Centre for patient oriented research and knowledge transfer, University of Zurich, Switzerland
BMC Med 7:2. 2009..Therefore we assessed, using a network meta-analytic technique, the relative effectiveness of the common inhaled drug regimes used to reduce exacerbations in patients with COPD... - Where is the supporting evidence for treating mild to moderate chronic obstructive pulmonary disease exacerbations with antibiotics? A systematic reviewMilo A Puhan
Horten Centre for patient oriented research and knowledge transfer, University of Zurich, Switzerland
BMC Med 6:28. 2008..Our aim was to study the evolvement of evidence from placebo-controlled and head-to-head trials on the effects of antibiotics for the treatment of mild to moderate exacerbations of chronic obstructive pulmonary disease... - Predicting outcomes in critically ill patients with acute kidney injury undergoing intermittent hemodialysis--a retrospective cohort analysisDaniel Franzen
Medical Intensive Care Unit, Department of Internal Medicine, University Hospital of Zurich, Switzerland
Int J Artif Organs 33:15-21. 2010..The evidence base on risk factors for poor outcomes in these patients is scarce. Our aim was to identify predictors of outcome in AKI patients undergoing intermittent hemodialysis (IHD)... - Ultrasonography in screening for developmental dysplasia of the hip in newborns: systematic reviewNerys F Woolacott
Centre for Reviews and Dissemination, University of York, York YO10 5DD
BMJ 330:1413. 2005.... - Comparing a disease-specific and a generic health-related quality of life instrument in subjects with asthma from the general populationMilo A Puhan
Department of Internal Medicine, Division of Pulmonary Medicine, University Hospitals of Geneva, CH 1211 Geneva 14, Switzerland
Health Qual Life Outcomes 6:15. 2008..We investigated the validity of the Asthma Quality of Life Questionnaire (AQLQ) and the SF-36 completed by individuals with asthma from the population-based SAPALDIA (Swiss study on air pollution and lung diseases in adults) cohort... - Application of generalizability theory confirmed lower reliability of the standard gamble than the feeling thermometerHolger J Schunemann
Department of Epidemiology, INFORMA Unit CLARITY Research Group, Italian National Cancer Institute Regina Elena, Via Elio Chianesi 53, 00144 Rome, Italy
J Clin Epidemiol 60:1256-62. 2007..Further, lack of interrater reliability may compromise the use of CMS in interpreting health state ratings. The aim of this study was to assess the reliability of CMS ratings for the SG and the FT... - Testosterone Supplementation during Respiratory RehabilitationMilo A Puhan
Am J Respir Crit Care Med 172:399; author reply 399-400. 2005 - Variability in diagnostic probability estimatesMilo A Puhan
Ann Intern Med 141:578-9. 2004 - Patient characteristics and physician-determined variables affecting saphenofemoral reflux recurrence after ligation and stripping of the great saphenous veinReinhard Fischer
Center for Vascular Diseases, St Gallen, Switzerland
J Vasc Surg 43:81-87. 2006..To identify patient and physician-controlled treatment variables that might predict the persistence or redevelopment of saphenofemoral junction (SFJ) reflux...