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Dive into the research topics where D. William C. Johnston is active.

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Featured researches published by D. William C. Johnston.


Journal of Bone and Mineral Research | 2004

Development and Initial Validation of a Risk Score for Predicting In-Hospital and 1-Year Mortality in Patients With Hip Fractures†

Hong X Jiang; Sumit R. Majumdar; Donald A Dick; Marc Moreau; James V. Raso; David Otto; D. William C. Johnston

Our objectives were to better define the rates and determinants of in‐hospital and 1‐year mortality after hip fracture. We studied a population‐based cohort of 3981 hip fracture patients. Using multivariable regression methods, we identified risk factors for mortality (older age, male sex, long‐term care residence, 10 prefracture co‐morbidities) and calculated a hip fracture‐specific score that could accurately predict or risk‐adjust in‐hospital and 1‐year mortality. Our methods, after further validation, may be useful for comparing outcomes across hospitals or regions.


Journal of General Internal Medicine | 2005

Best practices for elderly hip fracture patients. A systematic overview of the evidence.

Lauren A. Beaupre; C Allyson Jones; L. Duncan Saunders; D. William C. Johnston; Jeanette Buckingham; Sumit R. Majumdar

OBJECTIVES: To determine evidence-based best practices for elderly hip fracture patients from the time of hospital admission to 6 months postfracture. DATA SOURCES: MEDLINE, Cochrane Library, CINAHL, Embase, PEDro, Ageline, NARIC, and CIRRIE databases were searched for potentially eligible articles published between 1985 and 2004. REVIEW METHODS: Two independent reviewers determined studies appropriate for inclusion using standardized selection criteria, extracted data, evaluated internal validity, and then rated studies according to levels of evidence. Only Level 1 or 2 evidence was included in our summary of clinical recommendations. RESULTS: Spinal anesthesia, pressure-relieving mattresses, perioperative antibiotics, and deep vein thromboses prophylaxes had consistent evidence of benefit. Routine preoperative traction was not associated with any benefits and should be abandoned. Types of surgical management, postoperative wound drainage, and even “multidisciplinary” care, lacked sufficient evidence to determine either benefit or harm. There was little evidence to either determine best subacute rehabilitation practices or to direct ongoing medical issues (e.g., nutrition). Studies conducted during the subacute recovery period were heterogeneous in terms of treatment settings, interventions, and outcomes studied and had no clear evidence for best treatment practices. CONCLUSIONS: The evidence for perioperative practices is relatively robust and evidence-based perioperative treatment guidelines can be easily established. Conversely, more evidence is required to better guide the care of elderly patients with hip fracture during the subacute recovery period and convalescence.


Journal of the American Geriatrics Society | 2012

Recovery of Function Following a Hip Fracture in Geriatric Ambulatory Persons Living in Nursing Homes: Prospective Cohort Study

Lauren A. Beaupre; C Allyson Jones; D. William C. Johnston; Donna M Wilson; Sumit R. Majumdar

To measure 1‐year post‐hip fracture functional recovery, health‐related quality of life (HRQL), and mortality in nursing home residents.


JAMA Internal Medicine | 2001

The Effect of Age on Pain, Function, and Quality of Life After Total Hip and Knee Arthroplasty

C Allyson Jones; Donald C. Voaklander; D. William C. Johnston; Maria E. Suarez-Almazor


Journals of Gerontology Series A-biological Sciences and Medical Sciences | 2007

Does Functional Recovery in Elderly Hip Fracture Patients Differ Between Patients Admitted From Long-Term Care and the Community?

Lauren A. Beaupre; John G. Cinats; C Allyson Jones; Angela Scharfenberger; D. William C. Johnston; Ambikaipan Senthilselvan; L. Duncan Saunders


Canadian Journal of Surgery | 2003

Effect of adjunctive range-of-motion therapy after primary total knee arthroplasty on the use of health services after hospital discharge.

Donna M. Davies; D. William C. Johnston; Lauren A. Beaupre; Doug Lier


Archives of Physical Medicine and Rehabilitation | 2005

Does Standardized Rehabilitation and Discharge Planning Improve Functional Recovery in Elderly Patients With Hip Fracture

Lauren A. Beaupre; John G. Cinats; Ambikaipakan Senthilselvan; Angela Scharfenberger; D. William C. Johnston; L. Duncan Saunders


Archives of Surgery | 1997

The Impact of Regionalization on a Surgery Program in the Canadian Health Care System

Stewart M. Hamilton; Shaunne Letourneau; Ellen Pekeles; Don Voaklander; D. William C. Johnston


Orthopaedic Proceedings | 2012

ALUMINA HEAD/LINER VS. ALUMINA HEAD/UHMW POLYETHYLENE LINER: 5-YEAR RESULTS

Andrei Manolescu; D. William C. Johnston; Donald Weber; W Rigal; Thomas H Greidanus; James McMillan; Lauren A. Beaupre


Orthopaedic Proceedings | 2012

COMPARISON OF A MULTIMODAL ANALGESIA + FEMORALL NERVE BLOCKADE PROTOCOL VERSUS MULTIMODAL ANALGESIA ONLY ON REHABILITATION, HOSPITAL LENGTH OF STAY AND POSTOPERATIVE ANALGESIA AFTER PRIMARY TOTAL KNEE ARTHROPLASTY: A CONTROLLED CLINICAL TRIAL

D. William C. Johnston; Lauren A. Beaupre; Sherry Dieleman; Holly Wong-Mah; Ban Tsui

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