Outcomes of flap salvage with medicinal leech therapy
Retrospective cohort published in Microsurgery (2012)
Abstract
Medicinal leech therapy (MLT) to salvage venous congestion in native skin and local flaps is commonly practiced. However, the role of MLT in compromised regional and free flaps remains unclear. Leeches were used in 39 patients to treat venous congestion in native skin (n = 5), local flaps (n = 6), regional flaps (n = 14), and free flaps (n = 14). There were no total losses in patients with compromised native skin or local flaps. One patient who had received a radial forearm free flap expired before flap outcome could be assessed, and was excluded from analysis. Of the remaining 27 regional and free flaps, 33.3% were salvaged, 33.3% were partially salvaged, and 33.3% were lost. Means of 38.3 ± 34.0, 101.0 ± 11.2, and 157.9 ± 224.4 leeches and 1.7 ± 3.6, 3.2 ± 4.4, and 5.6 ± 5.2 units of blood were required for the salvaged, partially salvaged, and lost groups, respectively. Twenty-two patients required blood transfusion (57.9%). No patients developed wound infection with Aeromonas hydrophilia. Two patients developed donor site hematomas, and four patients developed recipient site hematomas. MLT is efficacious in congested native skin and local flaps. Some regional and free flaps can be totally or partially salvaged. However, the morbidity of MLT must be weighed against the risks of flap loss.
Abstract sourced from PubMed (NCBI) for the cited record. See the original publication for the authoritative version.
Resumen
Of 39 patients receiving medicinal leech therapy for venous congestion, 33.3% of regional and free flaps were fully salvaged and 33.3% partially salvaged. 57.9% required blood transfusion; no Aeromonas wound infections were observed.
Por qué esto importa para la hirudoterapia
Este estudio aplicó la terapia con sanguijuelas medicinales para la congestión venosa en 39 pacientes en piel nativa, colgajos locales, colgajos regionales y colgajos libres, y no encontró pérdidas totales en la piel nativa ni en los colgajos locales, pero un resultado mucho más variado en los colgajos regionales y libres comprometidos, donde de 27 colgajos evaluables, un tercio fueron salvados, un tercio salvados parcialmente y un tercio perdidos. Es directamente relevante para la indicación clínica central de ASH, demostrando que la terapia con sanguijuelas es eficaz para los casos más sencillos de piel nativa y colgajos locales, pero que solo rescata de manera inconsistente los colgajos regionales y libres comprometidos, a costa de un recuento sustancial de sanguijuelas y transfusiones en el 57.9% de los pacientes. Al tratarse de una serie de casos de un solo centro no controlada, los resultados no pueden atribuirse únicamente a la terapia con sanguijuelas y los autores sopesan explícitamente la morbilidad de la terapia frente al riesgo de pérdida del colgajo.
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Añadido a la biblioteca ASH: May 26, 2026 · Última actualización del sitio: June 18, 2026