Treatment of lymphocutaneous fistulas after vascular procedures of the lower limb: Accurate wound reclosure and 3 weeks of consistent and continuing drainage

摘要

Background: Lymphocutaneous fistulas occurring after vascular procedures of the lower limb are a rare, but frustrating, complication. Many treatment options exist, but may lead to inconsistent results, with infection, delayed wound healing, and prolonged hospital stay. We present a simple surgical treatment of wound closure and drainage. Methods: In this single-center, single-intervention, observational clinical study (case series), prospectively collected data of 23 consecutive lymphocutaneous fistulas in 22 patients (19 male and three female; age, 42 to 91 years) treated between June 2005 and October 2008 were retrospectively analyzed. Twenty-two fistulas were situated in the groin and one at the knee incision. The standardized therapy consisted of the installation of a Redon to drain the lymph, and accurate closure of the wound. Postoperatively, drainage was maintained for 21 days: suction Redon drainage for the first 7 days, passive Redon drainage for the next 7 days, and further drainage in a pouch after removal of the drain for the last 7 days. Results: In 19 of the initial 23 lymphocutaneous fistulas, the whole drainage procedure was completed, with healing of the wound, without infection, recurrence, or lymphocele formation after 1 year of follow-up. In these cases, there had been a steady decrease of daily lymph drainage: a mean of 163.4 (standard error on the mean, 39.6) mL on the first day of suction, 56.8 (15.5) mL on the first day of passive drainage, 11.6 (4.3) mL on the last day of passive drainage, and 2.1 (0.9) mL on the 21st day when the drainage treatment was stopped. In four fistulas, this treatment was considered a failure because of inadvertent early drain removal (two cases), infection (one case), and lymphorrhea recurrence with wound breakdown (one case). Conclusion: This standardized surgical therapy, consisting of accurate wound closure and 3 weeks of drainage, allowed the healing of 19 of 23 postoperative lymphocutaneous fistulas (an 82. 6 % success rate), without infection, recurrence, or lymphocele formation after 1 year of follow up.