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  • Title: Reoperation after combat-related major lower extremity amputations.
    Author: Tintle SM, Shawen SB, Forsberg JA, Gajewski DA, Keeling JJ, Andersen RC, Potter BK.
    Journal: J Orthop Trauma; 2014 Apr; 28(4):232-7. PubMed ID: 24658066.
    Abstract:
    OBJECTIVE: Complication rates leading to reoperation after trauma-related amputations remain ill defined in the literature. We sought to identify and quantify the indications for reoperation in our combat-injured patients. DESIGN: Retrospective review of a consecutive series of patients. SETTING: Tertiary Military Medical Center. PATIENTS/PARTICIPANTS: Combat-wounded personnel sustaining 300 major lower extremity amputations from Operations Iraqi and Enduring Freedom from 2005 to 2009. INTERVENTION: We performed a retrospective analysis of injury and treatment-related data, complications, and revision of amputation data. Prerevision and postrevision outcome measures were identified for all patients. MAIN OUTCOME MEASUREMENTS: The primary outcome measure was the reoperation on an amputation after a previous definitive closure. Secondary outcome measures included ambulatory status, prosthesis use, medication use, and return to duty status. RESULTS: At a mean follow-up of 23 months (interquartile range: 16-32), 156 limbs required reoperation leading to a 53% overall reoperation rate. Ninety-one limbs had 1 indication for reoperation, whereas 65 limbs had more than 1 indication for reoperation. There were a total of 261 distinct indications for reoperation leading to a total of 465 additional surgical procedures. Repeat surgery was performed semiurgently for postoperative wound infection (27%) and sterile wound dehiscence/wound breakdown (4%). Revision amputation surgery was also performed electively for persistently symptomatic residual limbs due to the following indications: symptomatic heterotopic ossification (24%), neuromas (11%), scar revision (8%), and myodesis failure (6%). Transtibial amputations were more likely than transfemoral amputations to be revised due to symptomatic neuromata (P = 0.004; odds ratio [OR] = 3.7; 95% confidence interval [95% CI] = 1.45-9.22). Knee disarticulations were less likely to require reoperation when compared with all other amputation levels (P = 0.0002; OR = 7.6; 95% CI = 2.2-21.4). CONCLUSIONS: In our patient population, reoperation to address urgent surgical complications was consistent with previous reports on trauma-related amputations. Additionally, persistently symptomatic residual limbs were common and reoperation to address the pathology was associated with an improvement in ambulatory status and led to a decreased dependence on pain medications.
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