List of works - Timothy Ramsay

A Cohort Study of Pediatric Shock: Frequency of Corticosteriod Use and Association with Clinical Outcomes

scientific article published on 13 February 2015

A Randomized Controlled Trial of Corticosteroids in Pediatric Septic Shock: A Pilot Feasibility Study.

scientific article published on 12 April 2017

A survey of stated physician practices and beliefs on the use of steroids in pediatric fluid and/or vasoactive infusion-dependent shock

scientific article

A three-compartment thermometry model for the improved estimation of changes in body heat content

scientific article published on 24 August 2006

A threshold regression model for recurrent exacerbations in chronic obstructive pulmonary disease

scientific article published on 30 August 2010

Accuracy of cystatin C-based estimates of glomerular filtration rate in kidney transplant recipients: a systematic review.

scientific article published on 28 December 2012

Air pollution and health: a European and North American approach (APHENA).

scientific article published on October 2009

An investigation of the relationship between cataract surgery wait times and rates of surgery.

scientific article

Are Anti-β2 Glycoprotein 1 Antibodies Associated with Placenta-Mediated Pregnancy Complications? A Nested Case-Control Study

scientific article published on 10 April 2018

Aspirin versus low-molecular-weight heparin for extended venous thromboembolism prophylaxis after total hip arthroplasty: a randomized trial

scientific article published in June 2013

Assessing and comparing global health competencies in rehabilitation students

scientific article published on 07 December 2013

Assessing potentially inappropriate prescribing (PIP) and predicting patient outcomes in Ontario's older population: a population-based cohort study applying subsets of the STOPP/START and Beers' criteria in large health administrative databases.

scientific article

Assessing the feasibility of a randomised, double-blinded, placebo-controlled trial to investigate the role of intraperitoneal ropivacaine in gastric bypass surgery: a protocol

scientific article

Assessing the status of thoracic surgical research and quality improvement programs: a survey of the members of the Canadian Association of Thoracic Surgeons

scientific article

Assessment of recurrence risk after unprovoked venous thromboembolism

scientific article published on 01 May 2011

Association of Blood Donor Age and Sex With Recipient Survival After Red Blood Cell Transfusion.

scientific article published on 11 July 2016

Association of Universal Bilirubin Screening With Socioeconomic Disparities in Newborn Follow-up

scientific article published on 4 August 2016

Benefit, Risk, and Outcomes in Drug Development: A Systematic Review of Sunitinib

scientific article

Bisphenol A and phthalate metabolite urinary concentrations: Daily and across pregnancy variability

scientific article published on 24 September 2014

Building a Digital Bridge to Support Patient-Centered Care Transitions From Hospital to Home for Older Adults With Complex Care Needs: Protocol for a Co-Design, Implementation, and Evaluation Study

scientific article published on 25 November 2020

Change in appropriate referrals to nephrologists after the introduction of automatic reporting of the estimated glomerular filtration rate

scientific article published on 13 February 2012

Clinical supervision: what does it mean to be better?

scientific article published in September 2017

Comment on 'A double-blind, randomized, placebo-controlled trial of adalimumab in the treatment of cutaneous sarcoidosis'

scientific article published on 01 May 2014

Comparing multiple competing interventions in the absence of randomized trials using clinical risk-benefit analysis

scientific article

Comparison of Consent Models in a Randomized Trial of Corticosteroids in Pediatric Septic Shock

scientific article

Comparison of the Villalta post‐thrombotic syndrome score in the ipsilateral vs. contralateral leg after a first unprovoked deep vein thrombosis ⬇️

scientific article published on June 1, 2012

Continuous multi-parameter heart rate variability analysis heralds onset of sepsis in adults

scientific article

Development of a clinical prediction rule for risk stratification of recurrent venous thromboembolism in patients with cancer-associated venous thromboembolism

scientific article published on 07 June 2012

Do heart and respiratory rate variability improve prediction of extubation outcomes in critically ill patients?

scientific article

Does Higher Spending Improve Survival Outcomes for Myocardial Infarction? Examining the Cost-Outcomes Relationship Using Time-Varying Covariates

scientific article

Does pragmatically structured outpatient dietary counselling reduce sodium intake in hypertensive patients? Study protocol for a randomized controlled trial.

scientific article published on 17 June 2015

Effect of clinical variables and immunosuppression on serum cystatin C and beta-trace protein in kidney transplant recipients.

scientific article published on 19 July 2009

Effect of high dose folic acid supplementation in pregnancy on pre-eclampsia (FACT): double blind, phase III, randomised controlled, international, multicentre trial

scientific article published in the British Medical Journal

Effectiveness of a computerized decision support system for anticoagulation management in hemodialysis patients: A before-after study

scientific article

Effectiveness of quality improvement strategies on the management of diabetes: a systematic review and meta-analysis

scientific article published on 09 June 2012

Efficacy and safety of chimeric antigen receptor T-cell (CAR-T) therapy in patients with haematological and solid malignancies: protocol for a systematic review and meta-analysis.

scientific article published on 29 December 2017

Erratum to: Do heart and respiratory rate variability improve prediction of extubation outcomes in critically ill patients?

scientific article published on 2 December 2014

Erratum: Oral salt and water versus intravenous saline for the prevention of acute kidney injury following contrast-enhanced computed tomography: study protocol for a pilot randomized trial Salmonella blood stream infections in a tertiary care setti

scientific article published on 3 September 2015

Estimating changes in mean body temperature for humans during exercise using core and skin temperatures is inaccurate even with a correction factor

scientific article published on 10 May 2007

Evaluating the predictive capabilities of haematoma expansion scores in patients with acute intracerebral haemorrhage: protocol for a scoping review

scientific article published on 21 January 2019

Evaluating the reliability and reproducibility of the Ottawa Thoracic Morbidity and Mortality classification system.

scientific article

Exploration of Withdrawal of Life-Sustaining Therapy in Canadian Intensive Care Units.

scientific article published on 12 February 2015

Exploring bias in a generalized additive model for spatial air pollution data

scientific article

Extended follow-up and spatial analysis of the American Cancer Society study linking particulate air pollution and mortality.

scientific article

External validation of a measurement tool to assess systematic reviews (AMSTAR).

scientific article

Factors associated with knowledge of and satisfaction with newborn screening education: a survey of mothers ⬇️

scientific article published on August 16, 2012

Generic immunosuppression in solid organ transplantation: systematic review and meta-analysis.

scientific article published on 22 June 2015

Helmet legislation and admissions to hospital for cycling related head injuries in Canadian provinces and territories: interrupted time series analysis.

scientific article published on 14 May 2013

High incidence of vertebral fractures in children with acute lymphoblastic leukemia 12 months after the initiation of therapy

scientific article

Hospital mortality due to pulmonary embolism and an evaluation of the usefulness of preventative interventions.

scientific article published on 31 July 2009

How do Ontario family medicine residents perform on global health competencies? A multi-institutional survey

scientific article

Identifying unprovoked thromboembolism patients at low risk for recurrence who can discontinue anticoagulant therapy

scientific article published on August 2008

Immunoablation and autologous haemopoietic stem-cell transplantation for aggressive multiple sclerosis: a multicentre single-group phase 2 trial

scientific article published on 8 June 2016

Impact of Adverse Events and Length of Stay on Patient Experience After Lung Cancer Resection

scientific article published on 29 June 2017

Impact of imaging guidelines on X-ray use among American provider network chiropractors: interrupted time series analysis.

scientific article published on 4 October 2013

Impact of patient characteristics on the Canadian Patient Experiences Survey-Inpatient Care: survey analysis from an academic tertiary care centre

scientific article published on 30 August 2018

Implementation of the Canadian Paediatric Society's hyperbilirubinemia guidelines: A survey of Ontario hospitals.

scientific article published on March 2014

Incident vertebral fractures 12 months following glucocorticoid initiation in children with rheumatic disorders

scientific article

Incident vertebral fractures among children with rheumatic disorders 12 months after glucocorticoid initiation: a national observational study

scientific article published on January 2012

Increasing placebo responses over time in U.S. clinical trials of neuropathic pain

scientific article

Inequity in primary and secondary preventive care for acute myocardial infarction? Use by socioeconomic status across middle-aged and older patients

scientific article published on 13 August 2013

Inter-rater reliability of h-index scores calculated by Web of Science and Scopus for clinical epidemiology scientists

scientific article

Is thrombophilia associated with placenta-mediated pregnancy complications? A prospective cohort study.

scientific article published in April 2014

Launching invasive, first-in-human trials against Parkinson's disease: ethical considerations

scientific article

Levofloxacin for BK virus prophylaxis following kidney transplantation: a randomized clinical trial

scientific article

Low prevalence of JAK2 V617F mutation in patients with first unprovoked venous thromboembolism

scientific article published on 26 April 2011

Low-molecular-weight heparin and recurrent placenta-mediated pregnancy complications: a meta-analysis of individual patient data from randomised controlled trials.

scientific article published on 6 October 2016

Low-molecular-weight heparin for prevention of placenta-mediated pregnancy complications: protocol for a systematic review and individual patient data meta-analysis (AFFIRM).

scientific article

Maternal and early life exposure to phthalates: The Plastics and Personal-care Products use in Pregnancy (P4) study.

scientific article

Mobile tablet-based therapies following stroke: A systematic scoping review of administrative methods and patient experiences

scientific article published on 23 January 2018

Mobile tablet-based therapies following stroke: a systematic scoping review protocol of attempted interventions and the challenges encountered.

scientific article published on 2 November 2017

Multi analyte profiling and variability of inflammatory markers in blood and induced sputum in patients with stable COPD.

scientific article

Non-OO blood type influences the risk of recurrent venous thromboembolism. A cohort study

scientific article

Oral salt and water versus intravenous saline for the prevention of acute kidney injury following contrast-enhanced computed tomography: study protocol for a pilot randomized trial.

scientific article

Overview of selected health surveys in Canada, 1985 to 1991

scientific article published on January 1, 1992

Patient characteristics and disposition after pediatric medical emergency team (MET) activation: disposition depends on who activates the team

scientific article published on 01 March 2014

Patients with a first symptomatic unprovoked deep vein thrombosis are at higher risk of recurrent venous thromboembolism than patients with a first unprovoked pulmonary embolism.

scientific article

Practice patterns in spine radiograph utilization among doctors of chiropractic enrolled in a provider network offering complementary care in the United States

scientific article

Predicting deep venous thrombosis in pregnancy: out in "LEFt" field?

scientific article published in July 2009

Predicting kidney transplantation outcomes using proteinuria ascertained from spot urine samples versus timed urine collections

scientific article published on 8 October 2014

Predictors of post-thrombotic syndrome in a population with a first deep vein thrombosis and no primary venous insufficiency.

scientific article published in March 2013

Prenatal exposure to phthalates and phenols and infant endocrine-sensitive outcomes: The MIREC study

scientific article published on 06 September 2018

Quinolone prophylaxis for the prevention of BK virus infection in kidney transplantation: study protocol for a randomized controlled trial.

scientific article published on 21 June 2013

Ramipril versus placebo in kidney transplant patients with proteinuria: a multicentre, double-blind, randomised controlled trial

scientific article published on 21 October 2015

Recurrent first hitting times in Wiener diffusion under several observation schemes.

scientific article published on 18 February 2012

Reduced hemoglobin on day of peripheral blood progenitor cell collection is associated with low graft content of vascular progenitors and increased toxicity after autologous hematopoietic stem cell transplantation

scientific article published on 30 July 2008

Reflections on meta-analyses involving trials stopped early for benefit: is there a problem and if so, what is it?

scientific article published on 13 December 2011

Reporting quality of statistical methods in surgical observational studies: protocol for systematic review

scientific article published on 28 June 2014

Reproducibility of carotid-femoral pulse wave velocity in end-stage renal disease patients: methodological considerations

scientific article

Research Productivity and Rankings of Anesthesiology Departments in Canada and the United States: The Relationship Between the h-Index and Other Common Metrics

scientific article

Risk of post-thrombotic syndrome after subtherapeutic warfarin anticoagulation for a first unprovoked deep vein thrombosis: results from the REVERSE study ⬇️

scientific article published on October 1, 2012

Risk of surgical delivery to deep nuclei: A meta‐analysis ⬇️

scientific article published on May 14, 2011

Screening for Occult Cancer in Unprovoked Venous Thromboembolism

scientific article published on 22 June 2015

Seeing the forests and the trees--innovative approaches to exploring heterogeneity in systematic reviews of complex interventions to enhance health system decision-making: a protocol

scientific article published on 12 August 2014

Serum lipoprotein (a) levels in patients with first unprovoked venous thromboembolism is not associated with subsequent risk of recurrent VTE

scientific article published on 26 June 2010

Sex differences in the association between sleep duration, diet and body mass index: a birth cohort study ⬇️

scientific article published on December 12, 2011

Spot urine protein measurements in kidney transplantation: a systematic review of diagnostic accuracy.

scientific article published on 26 January 2014

Steroids in fluid and/or vasoactive infusion dependent pediatric shock: study protocol for a randomized controlled trial

scientific article published on 6 May 2016

Stopping randomized trials early for benefit and estimation of treatment effects: systematic review and meta-regression analysis

scientific article published on March 2010

Stopping randomized trials early for benefit: a protocol of the Study Of Trial Policy Of Interim Truncation-2 (STOPIT-2)

scientific article published on 06 July 2009

Supporting Goal-Oriented Primary Health Care for Seniors with Complex Care Needs Using Mobile Technology: Evaluation and Implementation of the Health System Performance Research Network, Bridgepoint Electronic Patient Reported Outcome Tool

scientific article published on 24 June 2016

Systematic classification of morbidity and mortality after thoracic surgery.

scientific article published on September 2010

Systematic review: the Trousseau syndrome revisited: should we screen extensively for cancer in patients with venous thromboembolism?

scientific article published on September 2008

Temporal variability and sources of triclosan exposure in pregnancy

scientific article

Testing the harvesting hypothesis by time-domain regression analysis. II: covariate effects

scientific article published on 01 July 2005

The Non-Inferiority Margins in Migraine Research (NIMM) Survey.

scientific article published on 11 February 2017

The Relationship Between Vitamin D Status and Adrenal Insufficiency in Critically Ill Children

scientific article published on 01 April 2013

The Risk of Acute Rejection Following Kidney Transplant by 25-Hydroxyvitamin D and 1,25-Dihydroxyvitamin D Status: A Prospective Cohort Study

scientific article

The association between antiphospholipid antibodies and placenta mediated complications: A systematic review and meta-analysis ⬇️

scientific article published on March 21, 2011

The association of urinary sodium excretion and the need for renal replacement therapy in advanced chronic kidney disease: a cohort study

scientific article

The effect of dalteparin on coagulation activation during pregnancy in women with thrombophilia. A randomized trial

scientific article published on 01 July 2007

The effects of provincial bicycle helmet legislation on helmet use and bicycle ridership in Canada.

scientific article

The win ratio approach did not alter study conclusions and may mitigate concerns regarding unequal composite endpoints in kidney transplant trials

scientific article published on 8 February 2018

Thiazide diuretic-caused hyponatremia in the elderly hypertensive: will a bottle of Nepro a day keep hyponatremia and the doctor away? Study protocol for a proof-of-concept feasibility trial.

scientific article

Time course and pattern of COPD exacerbation onset.

scientific article published on 18 October 2011

Tinzaparin versus dalteparin for periprocedure prophylaxis of thromboembolic events in hemodialysis patients: a randomized trial

scientific article published on 04 April 2012

Universal bilirubin screening and health care utilization.

scientific article published on 22 September 2014

Unsuccessful trial accrual and human subjects protections: an empirical analysis of recently closed trials.

scientific article

Urinary and breast milk biomarkers to assess exposure to naphthalene in pregnant women: an investigation of personal and indoor air sources

scientific article

Using Surgeon-Specific Outcome Reports and Positive Deviance for Continuous Quality Improvement

scientific article published on 15 July 2015

Validating the HERDOO2 rule to guide treatment duration for women with unprovoked venous thrombosis: multinational prospective cohort management study

scientific article published on 17 March 2017

Variations in the Operational Process of Withdrawal of Life-Sustaining Therapy.

scientific article published on 26 June 2015

Vascular progenitor recruitment in critically ill patients with acute kidney injury.

scientific article published in October 2011

Vital signs after cardiac arrest following withdrawal of life-sustaining therapy: a multicenter prospective observational study

scientific article published on November 2014

List of works by Timothy Ramsay

A Cohort Study of Pediatric Shock: Frequency of Corticosteriod Use and Association with Clinical Outcomes

A Randomized Controlled Trial of Corticosteroids in Pediatric Septic Shock: A Pilot Feasibility Study.

A survey of stated physician practices and beliefs on the use of steroids in pediatric fluid and/or vasoactive infusion-dependent shock

A three-compartment thermometry model for the improved estimation of changes in body heat content

A threshold regression model for recurrent exacerbations in chronic obstructive pulmonary disease

Accuracy of cystatin C-based estimates of glomerular filtration rate in kidney transplant recipients: a systematic review.

Air pollution and health: a European and North American approach (APHENA).

An investigation of the relationship between cataract surgery wait times and rates of surgery.

Are Anti-β2 Glycoprotein 1 Antibodies Associated with Placenta-Mediated Pregnancy Complications? A Nested Case-Control Study

Aspirin versus low-molecular-weight heparin for extended venous thromboembolism prophylaxis after total hip arthroplasty: a randomized trial

Assessing and comparing global health competencies in rehabilitation students

Assessing potentially inappropriate prescribing (PIP) and predicting patient outcomes in Ontario's older population: a population-based cohort study applying subsets of the STOPP/START and Beers' criteria in large health administrative databases.

Assessing the feasibility of a randomised, double-blinded, placebo-controlled trial to investigate the role of intraperitoneal ropivacaine in gastric bypass surgery: a protocol

Assessing the status of thoracic surgical research and quality improvement programs: a survey of the members of the Canadian Association of Thoracic Surgeons

Assessment of recurrence risk after unprovoked venous thromboembolism

Association of Blood Donor Age and Sex With Recipient Survival After Red Blood Cell Transfusion.

Association of Universal Bilirubin Screening With Socioeconomic Disparities in Newborn Follow-up

Benefit, Risk, and Outcomes in Drug Development: A Systematic Review of Sunitinib

Bisphenol A and phthalate metabolite urinary concentrations: Daily and across pregnancy variability

Building a Digital Bridge to Support Patient-Centered Care Transitions From Hospital to Home for Older Adults With Complex Care Needs: Protocol for a Co-Design, Implementation, and Evaluation Study

Change in appropriate referrals to nephrologists after the introduction of automatic reporting of the estimated glomerular filtration rate

Clinical supervision: what does it mean to be better?

Comment on 'A double-blind, randomized, placebo-controlled trial of adalimumab in the treatment of cutaneous sarcoidosis'

Comparing multiple competing interventions in the absence of randomized trials using clinical risk-benefit analysis

Comparison of Consent Models in a Randomized Trial of Corticosteroids in Pediatric Septic Shock

Comparison of the Villalta post‐thrombotic syndrome score in the ipsilateral vs. contralateral leg after a first unprovoked deep vein thrombosis ⬇️

Continuous multi-parameter heart rate variability analysis heralds onset of sepsis in adults

Development of a clinical prediction rule for risk stratification of recurrent venous thromboembolism in patients with cancer-associated venous thromboembolism

Do heart and respiratory rate variability improve prediction of extubation outcomes in critically ill patients?

Does Higher Spending Improve Survival Outcomes for Myocardial Infarction? Examining the Cost-Outcomes Relationship Using Time-Varying Covariates

Does pragmatically structured outpatient dietary counselling reduce sodium intake in hypertensive patients? Study protocol for a randomized controlled trial.

Effect of clinical variables and immunosuppression on serum cystatin C and beta-trace protein in kidney transplant recipients.

Effect of high dose folic acid supplementation in pregnancy on pre-eclampsia (FACT): double blind, phase III, randomised controlled, international, multicentre trial

Effectiveness of a computerized decision support system for anticoagulation management in hemodialysis patients: A before-after study

Effectiveness of quality improvement strategies on the management of diabetes: a systematic review and meta-analysis

Efficacy and safety of chimeric antigen receptor T-cell (CAR-T) therapy in patients with haematological and solid malignancies: protocol for a systematic review and meta-analysis.

Erratum to: Do heart and respiratory rate variability improve prediction of extubation outcomes in critically ill patients?

Erratum: Oral salt and water versus intravenous saline for the prevention of acute kidney injury following contrast-enhanced computed tomography: study protocol for a pilot randomized trial Salmonella blood stream infections in a tertiary care setti

Estimating changes in mean body temperature for humans during exercise using core and skin temperatures is inaccurate even with a correction factor

Evaluating the predictive capabilities of haematoma expansion scores in patients with acute intracerebral haemorrhage: protocol for a scoping review

Evaluating the reliability and reproducibility of the Ottawa Thoracic Morbidity and Mortality classification system.

Exploration of Withdrawal of Life-Sustaining Therapy in Canadian Intensive Care Units.

Exploring bias in a generalized additive model for spatial air pollution data

Extended follow-up and spatial analysis of the American Cancer Society study linking particulate air pollution and mortality.

External validation of a measurement tool to assess systematic reviews (AMSTAR).

Factors associated with knowledge of and satisfaction with newborn screening education: a survey of mothers ⬇️

Generic immunosuppression in solid organ transplantation: systematic review and meta-analysis.

Helmet legislation and admissions to hospital for cycling related head injuries in Canadian provinces and territories: interrupted time series analysis.

High incidence of vertebral fractures in children with acute lymphoblastic leukemia 12 months after the initiation of therapy

Hospital mortality due to pulmonary embolism and an evaluation of the usefulness of preventative interventions.

How do Ontario family medicine residents perform on global health competencies? A multi-institutional survey

Identifying unprovoked thromboembolism patients at low risk for recurrence who can discontinue anticoagulant therapy

Immunoablation and autologous haemopoietic stem-cell transplantation for aggressive multiple sclerosis: a multicentre single-group phase 2 trial

Impact of Adverse Events and Length of Stay on Patient Experience After Lung Cancer Resection

Impact of imaging guidelines on X-ray use among American provider network chiropractors: interrupted time series analysis.

Impact of patient characteristics on the Canadian Patient Experiences Survey-Inpatient Care: survey analysis from an academic tertiary care centre

Implementation of the Canadian Paediatric Society's hyperbilirubinemia guidelines: A survey of Ontario hospitals.

Incident vertebral fractures 12 months following glucocorticoid initiation in children with rheumatic disorders

Incident vertebral fractures among children with rheumatic disorders 12 months after glucocorticoid initiation: a national observational study

Increasing placebo responses over time in U.S. clinical trials of neuropathic pain

Inequity in primary and secondary preventive care for acute myocardial infarction? Use by socioeconomic status across middle-aged and older patients

Inter-rater reliability of h-index scores calculated by Web of Science and Scopus for clinical epidemiology scientists

Is thrombophilia associated with placenta-mediated pregnancy complications? A prospective cohort study.

Launching invasive, first-in-human trials against Parkinson's disease: ethical considerations

Levofloxacin for BK virus prophylaxis following kidney transplantation: a randomized clinical trial

Low prevalence of JAK2 V617F mutation in patients with first unprovoked venous thromboembolism

Low-molecular-weight heparin and recurrent placenta-mediated pregnancy complications: a meta-analysis of individual patient data from randomised controlled trials.

Low-molecular-weight heparin for prevention of placenta-mediated pregnancy complications: protocol for a systematic review and individual patient data meta-analysis (AFFIRM).

Maternal and early life exposure to phthalates: The Plastics and Personal-care Products use in Pregnancy (P4) study.

Mobile tablet-based therapies following stroke: A systematic scoping review of administrative methods and patient experiences

Mobile tablet-based therapies following stroke: a systematic scoping review protocol of attempted interventions and the challenges encountered.

Multi analyte profiling and variability of inflammatory markers in blood and induced sputum in patients with stable COPD.

Non-OO blood type influences the risk of recurrent venous thromboembolism. A cohort study

Oral salt and water versus intravenous saline for the prevention of acute kidney injury following contrast-enhanced computed tomography: study protocol for a pilot randomized trial.

Overview of selected health surveys in Canada, 1985 to 1991

Patient characteristics and disposition after pediatric medical emergency team (MET) activation: disposition depends on who activates the team

Patients with a first symptomatic unprovoked deep vein thrombosis are at higher risk of recurrent venous thromboembolism than patients with a first unprovoked pulmonary embolism.

Practice patterns in spine radiograph utilization among doctors of chiropractic enrolled in a provider network offering complementary care in the United States

Predicting deep venous thrombosis in pregnancy: out in "LEFt" field?