Venous thromboembolism prophylaxis after total hip or knee arthroplasty: a survey of Canadian orthopedic surgeons

Michael Gross; David R. Anderson; Seema Nagpal; Bernie O’Brien

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FIG. 1
Questionnaire mailed to all members of the Canadian Orthopaedic Association to determine the pharmacologic and physical modalities used to prevent venous thromboembolism after total hip or knee arthroplasty. A French version of this questionnaire was mailed to those who requested it.
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FIG. 2
Patterns of inpatient prophylaxis after total hip or knee arthroplasty. *Indicates that orthopedic surgeons prescribed both low-molecular-weight heparin (LMWH) and warfarin in 50% or more of their patients.

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Table I

Characteristics Related to Surgeons From the Canadian Orthopaedic Association Who Responded to a Questionnaire About the Use of Prophylaxis for Venous Thromboembolism After Total Lower Limb Arthroplasty

Characteristic	Response
No. of beds in respondents’ hospital, % of respondents
< 250	31.5

251–500	45.1

501–1000	19.9

> 1000	2.0

Years practising orthopedics, mean (and SD)	14.7 (8.9)

Lower limb arthroplasty procedures/yr, mean (and SD)	80 (64)