• Mansour Abolghasemian, Todd W Huether, Leslie J Soever, Michael Drexler, Matthew P MacDonald, and David J Backstein.
• Division of Orthopedic Surgery, Department of Surgery, University of Toronto, Toronto, ON, Canada; Department of Orthopedic Surgery, Iran University of Medical Sciences, Tehran, Iran.
• J Arthroplasty. 2016 Jul 1; 31 (7): 1544-8.

BackgroundThe benefit of suction drains (SD) for the first 24-48 hours following joint replacement surgery is controversial. We aimed to determine if there is any difference in the early outcome of revision TKA when performed with, or without SD.Methods83 cases indicated for revision knee arthroplasty were randomized to receive (42) or not receive (41) a deep intra-articlular drain. First-stage revisions for treating periprosthetic infection were excluded. Patients were statistically compared for demographic parameters, early complications and early knee functional outcome. The assessed outcomes included total blood loss, number of transfusions, fever and wound complication rate at 24 months follow-up. In addition, the change in knee society score at 12 weeks postoperatively was compared between the groups.ResultsThere were no significant difference in demographic factors, wound complications, knee scores at 12 weeks and infection rate 24 months after surgery in either group. Average blood loss was 1856ml and 1533ml for the drain and no drain groups, respectively (P value=0.0470). The need for transfusion was significantly less in the no-drain group with an average of 0.15 unit/patient as compared to an average 0.37 unit/patient for the drain group (P value=0.0432).ConclusionWe were unable to find a point of superiority for using a drain for revision knee arthroplasty. Future studies with longer follow-up and larger population of patients are needed to make a valid conclusion.Copyright © 2016 Elsevier Inc. All rights reserved.

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