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Ron Wald
International Council for the Exploration of the Sea
Intensive care medicineDialysisAcute kidney injuryDiabetes mellitusMedicine
196Publications
44H-index
7,136Citations
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Publications 204
Newest
#1Alison Thomas (U of T: University of Toronto)H-Index: 1
#2Samuel A. Silver (Queen's University)H-Index: 13
Last. Ron WaldH-Index: 44
view all 17 authors...
Rationale & Objective Surveillance blood work is routinely performed in maintenance hemodialysis (HD) recipients. Although more frequent blood testing may confer better outcomes, there is little evidence to support any particular monitoring interval. Study Design Retrospective population-based cohort study. Setting & Participants All prevalent HD recipients in Ontario, Canada, as of April 1, 2011, and a cohort of incident patients commencing maintenance HD in Ontario, Canada, between April 1, 20...
1 CitationsSource
#1Daniel H. Li (St. Michael's Hospital)
#2Ron Wald (International Council for the Exploration of the Sea)H-Index: 44
Last. William Beaubien-Souligny (UdeM: Université de Montréal)H-Index: 3
view all 15 authors...
Abstract Purpose Severe acute kidney injury (AKI) is associated with a significant risk of mortality and persistent renal replacement therapy (RRT) dependence. The objective of this study was to develop prediction models for mortality at 90-day and 1-year following RRT initiation in critically ill patients with AKI. Methods All patients who commenced RRT in the intensive care unit for AKI at a tertiary care hospital between 2007 and 2014 constituted the development cohort. We evaluated the exter...
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#1Samuel A. Silver (Queen's University)H-Index: 13
#2Sarah E. Bota (International Council for the Exploration of the Sea)H-Index: 5
Last. Ron Wald (International Council for the Exploration of the Sea)H-Index: 44
view all 9 authors...
Background and objectives It is uncertain whether primary care physician continuity of care associates with a lower risk of death and hospitalization among patients transitioning to maintenance dialysis. Design, setting, participants, & measurements Using provincial-linked administrative databases in Ontario, Canada, we conducted a population-based study of incident patients who initiated maintenance dialysis between 2005 and 2014 and survived for at least 90 days. We defined high primary care p...
1 CitationsSource
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#1Ahmed A. Al-Jaishi (McMaster University)H-Index: 11
#2Christopher W. McIntyre (UWO: University of Western Ontario)H-Index: 15
Last. Laura C. Chambers (London Health Sciences Centre)H-Index: 1
view all 44 authors...
Background:Small randomized trials demonstrated that a lower compared with higher dialysate temperature reduced the average drop in intradialytic blood pressure. Some observational studies demonstr...
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#1Daniel Blum (St. Michael's Hospital)H-Index: 1
#2William Beaubien-Souligny (UdeM: Université de Montréal)H-Index: 3
Last. Ron Wald (St. Michael's Hospital)H-Index: 44
view all 9 authors...
Abstract Background Studies have shown that achieving a time in therapeutic range (TTR) for warfarin of greater than 60% is associated with a lower risk of bleeding. However, many patients on hemodialysis (HD) do not achieve this target. Local Problem We audited TTR achievement at the in-center HD unit of our hospital in 2017 and found that only 40% of patients had achieved a TTR>60%. Project Aims We aimed to improve the percentage of HD patients achieving target TTR within two years. Interventi...
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#1Ron Wald (U of T: University of Toronto)H-Index: 44
#2Paul Dorian (U of T: University of Toronto)H-Index: 77
Last. Ziv Harel (U of T: University of Toronto)H-Index: 17
view all 3 authors...
1 CitationsSource
#1Elliot J. Lee (International Council for the Exploration of the Sea)
#2Aakil Patel (International Council for the Exploration of the Sea)
Last. Amit X. GargH-Index: 81
view all 59 authors...
Hemodialysis is a life-sustaining treatment for persons with kidney failure. However, those on hemodialysis still face a poor quality of life and a short life expectancy. High-quality research evid...
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#1Sean Cai (U of T: University of Toronto)H-Index: 1
#2Ron Wald (U of T: University of Toronto)H-Index: 44
Last. Andrew T. Yan (U of T: University of Toronto)H-Index: 32
view all 13 authors...
Background Conversion from conventional hemodialysis (CHD) to in-centre nocturnal hemodialysis (INHD) is associated with left ventricular (LV) mass regression, but the underlying mechanisms are not fully understood. Using cardiac MRI (CMR), we examined the effects of INHD on epicardial adipose tissue (EAT) and paracardial adipose tissue (PAT), and the relationships between EAT, PAT and LV remodeling, biomarkers of nutrition, myocardial injury, fibrosis and volume.
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#1Chirag R. ParikhH-Index: 67
#2Jason H. Greenberg (Yale University)H-Index: 7
Last. Amit X. Garg (UWO: University of Western Ontario)H-Index: 81
view all 9 authors...
Background and objectives Survival after surgical repair for congenital heart disease has markedly improved; however, there are limited data on long-term ESKD and mortality during childhood. Design, setting, participants, & measurements We conducted an observational, population-based cohort study of children who had their first surgery for congenital heart disease within 10 years of birth. The study was conducted in Ontario, Canada, where residents have universal access to health care services. ...
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