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Knee Disarticulation versus Transfemoral Amputations: Functional Outcomes.
Journal of Orthopaedic Trauma 2019 January 23
OBJECTIVES: To determine if there is a patient-reported functional difference between combat-related knee disarticulations (KD) and transfemoral amputations (TFA).
SETTING: Role 3 Military Trauma Centers PATIENTS:: We identified and contacted all KDs and TFAs performed at Walter Reed National Military Medical Center, Walter Reed Army Medical Center, and National Naval Medical Center from January 2003 until July 2012 to participate in a retrospective functional cohort analysis. Ten KD patients were available for study completion and were matched against 18 patients in the TFA group.
INTERVENTION: Knee Disarticulation versus Transfemoral Amputation MAIN OUTCOME MEASUREMENTS:: The following surveys were obtained from the participants-AAOS Lower Limb Outcome Questionnaire (LLQ), Tegner Activity Scale, SF-36, and Prosthetic Evaluation Questionnaires (PEQ).
RESULTS: Ten KD patients agreed to participate in the study, and 18 TFA matched controls were interviewed. Patients were followed-up at an average of 66 months (IQR 50, 79) after injury. There were no significant differences found with regard to SF-36, PEQ, LLQ, and Tegner activity scores.
CONCLUSIONS: We detected no functional differences measured on the PEQ, LLQ, SF-36, and Tegner Activity Score between knee disarticulations and transfemoral amputations. In the absence of a proven functional difference, we advocate performing trauma-related amputations at the most distal level the osseous and soft tissue injuries permit.
LEVEL OF EVIDENCE: Retrospective Cohort, Prognostic Level III.
SETTING: Role 3 Military Trauma Centers PATIENTS:: We identified and contacted all KDs and TFAs performed at Walter Reed National Military Medical Center, Walter Reed Army Medical Center, and National Naval Medical Center from January 2003 until July 2012 to participate in a retrospective functional cohort analysis. Ten KD patients were available for study completion and were matched against 18 patients in the TFA group.
INTERVENTION: Knee Disarticulation versus Transfemoral Amputation MAIN OUTCOME MEASUREMENTS:: The following surveys were obtained from the participants-AAOS Lower Limb Outcome Questionnaire (LLQ), Tegner Activity Scale, SF-36, and Prosthetic Evaluation Questionnaires (PEQ).
RESULTS: Ten KD patients agreed to participate in the study, and 18 TFA matched controls were interviewed. Patients were followed-up at an average of 66 months (IQR 50, 79) after injury. There were no significant differences found with regard to SF-36, PEQ, LLQ, and Tegner activity scores.
CONCLUSIONS: We detected no functional differences measured on the PEQ, LLQ, SF-36, and Tegner Activity Score between knee disarticulations and transfemoral amputations. In the absence of a proven functional difference, we advocate performing trauma-related amputations at the most distal level the osseous and soft tissue injuries permit.
LEVEL OF EVIDENCE: Retrospective Cohort, Prognostic Level III.
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