selected scholarly activity
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conferences
- Outcomes of early switching from intravenous to oral antibiotics on medical wards. Journal of Antimicrobial Chemotherapy. 188-199. 2009
- Exclusive Staphylococcus aureus throat carriage: who is at risk?. Swiss Medical Weekly. 33S-33S. 2009
- Impact of HIV status on outcome of infectious complications in intravenous drug users. Swiss Medical Weekly. 41S-41S. 2009
- Pharmacotherapy on the edge: HIV salvage therapy in a patient after renal transplantation. Swiss Medical Weekly. 41S-41S. 2009
- Exclusive Staphylococcus aureus Throat Carriage. JAMA Internal Medicine. 172-172. 2009
- Efficacy of raltegravir and factors associated with treatment failure in a routine clinical care setting: the Swiss HIV Cohort study. Antiviral Therapy. A49-A49. 2009
- Throat swabs are necessary to reliably detect carriers of Staphylococcus aureus. Swiss Medical Weekly. 56S-56S. 2007
- O22 Throat swabs are necessary to reliably detect carriers of Staphylococcus aureus. International Journal of Antimicrobial Agents. S5-S5. 2007
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journal articles
- Validation and implementation of group electronic hand hygiene monitoring across twenty-four critical care units. Infection Control and Hospital Epidemiology. 43:834-839. 2022
- Methodological and reporting quality of non-inferiority randomized controlled trials comparing antifungal therapies: a systematic review. Clinical Microbiology and Infection (CMI). 28:640-648. 2022
- Re: It Is Time to Address Airborne Transmission of COVID-19. Clinical Infectious Diseases. 73:e3981-e3982. 2021
- A regional Canadian expert consensus on recommendations for restoring exercise and pulmonary function testing in low and moderate-to-high community prevalence coronavirus disease 2019 (COVID-19) settings. Infection Control and Hospital Epidemiology. 42:1535-1537. 2021
- Confidence interval of risk difference by different statistical methods and its impact on the study conclusion in antibiotic non-inferiority trials. Trials. 22:708. 2021
- Intention-to-treat analysis may be more conservative than per protocol analysis in antibiotic non-inferiority trials: a systematic review. BMC Medical Research Methodology. 21:75. 2021
- Proposed framework for a national set of reporting measures in Canada in response to the COVID-19 pandemic. Journal of the Association of Medical Microbiology and Infectious Disease Canada. 6:245-258. 2021
- Silver linings of the coronavirus disease 2019 (COVID-19) pandemic from an infection prevention and control perspective. Infection Control and Hospital Epidemiology. 42:1408-1409. 2021
- Methodological and Reporting Quality of Noninferiority Randomized Controlled Trials Comparing Antibiotic Therapies: A Systematic Review. Clinical Infectious Diseases. 73:e1696-e1705. 2021
- Impact of COVID-19 on hospital hand hygiene performance: a multicentre observational study using group electronic monitoring. CMAJ open. 9:E1175-E1180. 2021
- The 2018 Global Point Prevalence Survey of antimicrobial consumption and resistance in 47 Canadian hospitals: a cross-sectional survey. CMAJ open. 9:E1242-E1251. 2021
- Are Sink Drainage Systems a Reservoir for Hospital-Acquired Gammaproteobacteria Colonization and Infection? A Systematic Review. Open Forum Infectious Diseases. 8:ofaa590. 2021
- GRADE Guidelines 30: the GRADE approach to assessing the certainty of modeled evidence—An overview in the context of health decision-making. Journal of Clinical Epidemiology. 129:138-150. 2021
- Local audit of empiric antibiotic therapy in bacteremia: A retrospective cohort study. PLoS ONE. 16:e0248817-e0248817. 2021
- Prevalence of Candida auris in Canadian acute care hospitals among at-risk patients, 2018. Antimicrobial Resistance and Infection Control. 9:82. 2020
- Rationale and design of repeated cross-sectional studies to evaluate the reporting quality of trial protocols: the Adherence to SPIrit REcommendations (ASPIRE) study and associated projects. Trials. 21:896. 2020
- Review of high dose vancomycin in the treatment of Clostridioides difficile infection. Infectious Diseases. 52:847-857. 2020
- Genomic Epidemiology of Invasive Methicillin-Resistant Staphylococcus aureus Infections Among Hospitalized Individuals in Ontario, Canada. Journal of Infectious Diseases. 222:2071-2081. 2020
- Correlating incidence densities and point-prevalence for the surveillance of catheter-associated urinary tract infections. American Journal of Infection Control. 48:1393-1395. 2020
- Development of a tool to assess evidence for causality in studies implicating sink drains as a reservoir for hospital-acquired gammaproteobacterial infection. Journal of Hospital Infection. 106:454-464. 2020
- Novel Antibiotics May Be Noninferior but Are They Becoming Less Effective?: a Systematic Review. Antimicrobial Agents and Chemotherapy. 64:e01597-e01520. 2020
- The pitfalls of mass hospital health care worker testing for COVID-19. Journal of the Association of Medical Microbiology and Infectious Disease Canada. 5:121-123. 2020
- Use of facemasks during the COVID-19 pandemic. The Lancet Respiratory Medicine. 8:954-955. 2020
- Utility of asymptomatic inpatient testing for COVID-19 in a low-prevalence setting: A multicenter point-prevalence study. Infection Control and Hospital Epidemiology. 41:1233-1235. 2020
- Hand hygiene knowledge, attitudes, and practices among hospital inpatients: A descriptive study. American Journal of Infection Control. 48:507-510. 2020
- Screening for and decolonization of Staphylococcus aureus carriers before total joint replacement is associated with lower S aureus prosthetic joint infection rates. American Journal of Infection Control. 48:534-537. 2020
- International Society of Cardiovascular Infectious Diseases Guidelines for the Diagnosis, Treatment and Prevention of Disseminated Mycobacterium chimaera Infection Following Cardiac Surgery with Cardiopulmonary Bypass. Journal of Hospital Infection. 104:214-235. 2020
- Correction to: Prevention of Infections in Cardiac Surgery study (PICS): study protocol for a pragmatic cluster-randomized factorial crossover pilot trial. Trials. 20:595. 2019
- Pregnancy as a risk factor for severe influenza infection: an individual participant data meta-analysis. BMC Infectious Diseases. 19:683. 2019
- Daptomycin use in adult inpatients in a Canadian tertiary care setting. Journal of the Association of Medical Microbiology and Infectious Disease Canada. 4:139-144. 2019
- Trends in health care–associated infections in acute care hospitals in Canada: an analysis of repeated point-prevalence surveys. CANADIAN MEDICAL ASSOCIATION JOURNAL. 191:E981-E988. 2019
- Antimicrobial utilization data: Does point prevalence data correlate with defined daily doses?. Infection Control and Hospital Epidemiology. 40:920-921. 2019
- Development and validation of clinical prediction models to distinguish influenza from other viruses causing acute respiratory infections in children and adults. PLoS ONE. 14:e0212050-e0212050. 2019
- Antibiotic therapy for skin and soft tissue infections: a protocol for a systematic review and network meta-analysis. Systematic Reviews. 7:138. 2018
- Prevention of Infections in Cardiac Surgery study (PICS): study protocol for a pragmatic cluster-randomized factorial crossover pilot trial. Trials. 19:688. 2018
- Patient- and hospital-level predictors of vancomycin-resistant Enterococcus (VRE) bacteremia in Ontario, Canada. American Journal of Infection Control. 46:1266-1271. 2018
- Prosthetic joint infections: is guideline-consistent surgical treatment beneficial?. Current Orthopaedic Practice. 29:560-564. 2018
- Resistance patterns of Enterobacteriaceae in urines are similar in symptomatic and asymptomatic patients. Journal of Hospital Infection. 99:419-421. 2018
- Microbial Preparations (Probiotics) for the Prevention of Clostridium difficile Infection in Adults and Children: An Individual Patient Data Meta-analysis of 6,851 Participants. Infection Control and Hospital Epidemiology. 39:771-781. 2018
- The evolving epidemiology of Clostridium difficile infection in Canadian hospitals during a postepidemic period (2009–2015). CANADIAN MEDICAL ASSOCIATION JOURNAL. 190:E758-E765. 2018
- Fluconazole non-susceptible breakthrough candidemia after prolonged low-dose prophylaxis: a prospective FUNGINOS study. Journal of Infection. 76:489-495. 2018
- Response to Alert on Possible Infections with Mycobacterium chimaera From Contaminated Heater-Cooler Devices in Hospitals Participating in the Canadian Nosocomial Infection Surveillance Program (CNISP). Infection Control and Hospital Epidemiology. 39:482-484. 2018
- Portable Ultraviolet Light Surface-Disinfecting Devices for Prevention of Hospital-Acquired Infections: A Health Technology Assessment.. Ontario Health Technology Assessment Series. 18:1-73. 2018
- Probiotics for the prevention of Clostridium difficile-associated diarrhea in adults and children. Clinical Respiratory Journal. 2017:CD006095. 2017
- Erratum to: Antimicrobials: a global alliance for optimizing their rational use in intra-abdominal infections (AGORA). World Journal of Emergency Surgery. 12:35. 2017
- The Global Alliance for Infections in Surgery: defining a model for antimicrobial stewardship—results from an international cross-sectional survey. World Journal of Emergency Surgery. 12:34. 2017
- A Global Declaration on Appropriate Use of Antimicrobial Agents across the Surgical Pathway. Surgical Infections. 18:846-853. 2017
- Assessing the reporting quality of influenza outbreaks in the community. Influenza and other Respiratory Viruses. 11:556-563. 2017
- Guideline recommendations and antimicrobial resistance: the need for a change. BMJ Open. 7:e016264-e016264. 2017
- Periprosthetic Infection following Primary Hip and Knee Arthroplasty: The Impact of Limiting the Postoperative Surveillance Period. Infection Control and Hospital Epidemiology. 38:147-153. 2017
- Pregnancy as a risk factor for severe outcomes from influenza virus infection: A systematic review and meta-analysis of observational studies. Vaccine. 35:521-528. 2017
- Premature discontinuation of pediatric randomized controlled trials: a retrospective cohort study. Journal of Pediatrics. 184:209-214. 2017
- Antimicrobials: a global alliance for optimizing their rational use in intra-abdominal infections (AGORA). World Journal of Emergency Surgery. 11:33. 2016
- Assessing the magnitude and trends in hospital acquired infections in Canadian hospitals through sequential point prevalence surveys. Antimicrobial Resistance and Infection Control. 5:19. 2016
- Herd effect from influenza vaccination in non-healthcare settings: a systematic review of randomised controlled trials and observational studies. Eurosurveillance. 21:15-23. 2016
- Prevention of Clostridium difficile Infection: A Systematic Survey of Clinical Practice Guidelines. Infection Control and Hospital Epidemiology. 37:901-908. 2016
- Routine Surveillance Versus Independent Assessment by an Outcome Adjudication Committee in Assessing Patients for Sternal Surgical Site Infections After Cardiac Surgery. Infection Control and Hospital Epidemiology. 37:600-602. 2016
- Probiotics and synbiotics for the prevention of postoperative infections following abdominal surgery: a systematic review and meta-analysis of randomized controlled trials. Journal of Hospital Infection. 92:130-139. 2016
- Agreements between industry and academia on publication rights: A retrospective study of protocols and publications of randomized clinical trials. PLoS Medicine. 13:e1002046-e1002046. 2016
- An analysis of protocols and publications suggested that most discontinuations of clinical trials were not based on preplanned interim analyses or stopping rules. Journal of Clinical Epidemiology. 69:152-160. 2016
- Premature Discontinuation of Prospective Clinical Studies Approved by a Research Ethics Committee – A Comparison of Randomised and Non-Randomised Studies. PLoS ONE. 11:e0165605-e0165605. 2016
- Premature discontinuation of randomized trials in critical and emergency care: a retrospective cohort study. Critical Care Medicine. 44:130-137. 2016
- Management and outcomes in patients with Staphylococcus aureus bacteremia after implementation of mandatory infectious diseases consult: a before/after study. BMC Infectious Diseases. 15:568. 2015
- Clinical severity of pediatric respiratory illness with enterovirus D68 compared with rhinovirus or other enterovirus genotypes. CANADIAN MEDICAL ASSOCIATION JOURNAL. 187:1279-1284. 2015
- Clinical severity of pediatric respiratory illness with enterovirus D68 compared with rhinovirus or other enterovirus genotypes. CANADIAN MEDICAL ASSOCIATION JOURNAL. 187:1279-1284. 2015
- Inadequate documentation of urinary tract infection symptoms in the medical chart. American Journal of Infection Control. 43:1252-1254. 2015
- Self‐disinfecting sink drains reduce the Pseudomonas aeruginosa bioburden in a neonatal intensive care unit. Acta Paediatrica, International Journal of Paediatrics. 104:e344-e349. 2015
- Multifaceted intervention to optimize antibiotic use for intra-abdominal infections. Journal of Antimicrobial Chemotherapy. 70:1226-1229. 2015
- A Controlled Quasi-Experimental Study of an Educational Intervention to Reduce the Unnecessary Use of Antimicrobials For Asymptomatic Bacteriuria. PLoS ONE. 10:e0132071-e0132071. 2015
- Antimicrobial stewardship in the intensive care setting – a review and critical appraisal of the literature. Swiss Medical Weekly. 145:w14220. 2015
- Completion and publication rates of randomized controlled trials in surgery: an empirical study. Annals of Surgery. 262:68-73. 2015
- Newcastle-Ottawa Scale: comparing reviewers’ to authors’ assessments. BMC Medical Research Methodology. 14:45. 2014
- Value of an active surveillance policy to document clearance of meticillin-resistant Staphylococcus aureus and vancomycin-resistant enterococci amongst inpatients with prolonged admissions. Journal of Hospital Infection. 88:230-233. 2014
- Clinical severity of rhinovirus/enterovirus compared to other respiratory viruses in children. Influenza and other Respiratory Viruses. 8:436-442. 2014
- Vancomycin-Resistant Enterococcus (VRE) Transmission and Risk Factors in Contacts of VRE Carriers. Infection Control and Hospital Epidemiology. 35:876-879. 2014
- Clinical Disease Severity of Respiratory Viral Co-Infection versus Single Viral Infection: A Systematic Review and Meta-Analysis. PLoS ONE. 9:e99392-e99392. 2014
- Populations at Risk for Severe or Complicated Avian Influenza H5N1: A Systematic Review and Meta-Analysis. PLoS ONE. 9:e89697-e89697. 2014
- Prevalence, characteristics, and publication of discontinued randomized trials. Journal of the American Medical Association (JAMA). 311:1045-1052. 2014
- Proteomic Analysis of a NAP1 Clostridium difficile Clinical Isolate Resistant to Metronidazole. PLoS ONE. 9:e82622-e82622. 2014
- Subgroup analyses in randomised controlled trials: cohort study on trial protocols and journal publications. The BMJ. 349:g4539-g4539. 2014
- Subgroup analyses in randomised controlled trials: cohort study on trial protocols and journal publications. The BMJ. 349:g4921-g4921. 2014
- Algorithm to reduce unnecessary isolation days in patients with a history of colonization by antimicrobial-resistant organisms. American Journal of Infection Control. 41:1119-1121. 2013
- Inappropriate use of antibiotics and Clostridium difficile infection. American Journal of Infection Control. 41:1116-1118. 2013
- Populations at risk for severe or complicated influenza illness: systematic review and meta-analysis. The BMJ. 347:f5061-f5061. 2013
- Molecular epidemiology of vancomycin-resistant enterococcal bacteraemia: results from the Canadian Nosocomial Infection Surveillance Program, 1999-2009. Journal of Antimicrobial Chemotherapy. 68:1505-1509. 2013
- Reply to Letter. Annals of Surgery. 257:e25-e25. 2013
- Randomized trials published in higher vs. lower impact journals differ in design, conduct, and analysis. Journal of Clinical Epidemiology. 66:286-295. 2013
- Comment on: Ethical dilemmas in antibiotic treatment. Journal of Antimicrobial Chemotherapy. 67:1302-1303. 2012
- Credibility of claims of subgroup effects in randomised controlled trials: systematic review. The BMJ. 344:e1553-e1553. 2012
- Learning from failure-rationale and design for a study about discontinuation of randomized trials (DISCO study). BMC Medical Research Methodology. 12:131-131. 2012
- Adherence to hand hygiene and risk factors for poor adherence in 13 Ontario acute care hospitals. American Journal of Infection Control. 39:693-696. 2011
- Does Duration of Perioperative Antibiotic Prophylaxis Matter in Cardiac Surgery? A Systematic Review and Meta-Analysis. Annals of Surgery. 254:48-54. 2011
- Prevalence and Predictors of Antibiotic Use in Community-Based Elderly in Ontario, Canada. Infection Control and Hospital Epidemiology. 32:710-713. 2011
- Modern Management of Community-Acquired Pneumonia: Is It Cost-Effective and are Outcomes Acceptable?. Current Infectious Disease Reports. 13:269-277. 2011
- The influence of study characteristics on reporting of subgroup analyses in randomised controlled trials: systematic review. The BMJ. 342:d1569-d1569. 2011
- How much money can be saved by applying intravenous antibiotics once instead of several times a day?. Infection. 38:479-482. 2010
- Stronger correlation between antibiotic use and the incidence of Clostridium difficile determined by culture results instead of faecal toxin detection only. European Journal of Clinical Microbiology and Infectious Diseases. 29:1575-1578. 2010
- Effect of a Multifaceted Intervention on Adherence to Hand Hygiene among Healthcare Workers: A Cluster-Randomized Trial. Infection Control and Hospital Epidemiology. 31:1170-1176. 2010
- Eradication of an epidemic methicillin-resistant Staphylococcus aureus (MRSA) from a geriatric university hospital: evidence from a 10-year follow-up. European Journal of Clinical Microbiology and Infectious Diseases. 29:987-993. 2010
- Comparison of infectious complications during induction/consolidation chemotherapy versus allogeneic hematopoietic stem cell transplantation. Bone Marrow Transplantation. 45:521-526. 2010
- Impact of HIV Status on Outcome of Infectious Complications in Intravenous Drug Users. Journal of Acquired Immune Deficiency Syndromes (1999). 51:506-507. 2009
- Drug-Drug Interaction in a Kidney Transplant Recipient Receiving HIV Salvage Therapy and Tacrolimus. American Journal of Kidney Diseases. 54:e1-e4. 2009
- Subgroup Analysis of Trials Is Rarely Easy (SATIRE): a study protocol for a systematic review to characterize the analysis, reporting, and claim of subgroup effects in randomized trials. Trials. 10:101-101. 2009
- Appropriateness of antibiotic treatment in intravenous drug users, a retrospective analysis. BMC Infectious Diseases. 8:42. 2008
- Less than 28 Days of Intravenous Antibiotic Treatment Is Sufficient for Suppurative Thrombophlebitis in Injection Drug Users. Clinical Infectious Diseases. 46:741-744. 2008
- Necessity of Screening of both the Nose and the Throat To Detect Methicillin-Resistant Staphylococcus aureus Colonization in Patients upon Admission to an Intensive Care Unit. Journal of Clinical Microbiology. 46:835-835. 2008
- Throat Swabs Are Necessary to Reliably Detect Carriers of Staphylococcus aureus. Clinical Infectious Diseases. 45:475-477. 2007
- History of parenteral fluid and electrolyte therapy. Nieren- und Hochdruckkrankheiten. 25:41-44. 1996