• E Louis Peak, William J Hozack, Peter F Sharkey, Javad Parvizi, and Richard H Rothman.
• Department of Orthopedic Surgery, Thomas Jefferson University Hospital, Philadelphia, Pennsylvania, USA.
• Orthopedics. 2008 Feb 1;31(2):131.

AbstractThis prospective study compared the incidence of minor and major complications in 50 patients (100 joints) undergoing bilateral total knee arthroplasty (TKA) with 50 patients (100 joints) undergoing bilateral total hip arthroplasty (THA). Gender, comorbidities, American Society of Anesthesiologists scores, and body mass indices were similar in both groups. There was no difference in preoperative hemoglobin, operative time, anesthetic management, postoperative surveillance, and hemoglobin at discharge. However, the need for allogenic blood transfusion, despite preoperative autologous blood donation and retransfusion, was high for both groups (34% for bilateral TKA and 20% for bilateral THA. Bilateral THA patients had lower rates of total major and minor complications than bilateral TKA patients. Although cementless bilateral THA and cemented bilateral TKA can be performed efficiently and with relative safety in a select group of patients, the high rate of minor complications and in particular the need for allogenic transfusion in both groups is concerning and should be discussed with patients before surgery.

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