Secondary subdermal pocket procedure for venous insufficiency after digital replantation/revascularization. 2014

Tsan-Shiun Lin, and Johnson Chia-Shen Yang
From the Department of Plastic and Reconstructive Surgery, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine, Kaohsiung, Taiwan.

OBJECTIVE Venous insufficiency after microsurgical replantation/revascularization remained to be a vexing problem for finger failure, despite the level of amputation. Other than redo the venous anastomosis, alternative methods such as subdermal pocket procedure (SDP) can be used. The aim of this study was to incorporate SDP immediately at the time of replantation, when no suitable vein is available after digital artery anastomosis; or, as a secondary salvage procedure to restore venous drainage for venous insufficiency after initial digital replantation/revascularization. METHODS From 1999 to 2010, a total of 21 injured digits from 20 patients were collected. The mechanisms of injury included 6 guillotine amputations, 1 guillotine near-complete amputation, 12 crushing amputations, 1 crushing injury, and 1 crushing injury with contact thermal burn. The average patients' age was 34.5 years. Subdermal pocket procedures were used to all injured digits at different time frame as indicated. The patients were divided into 2 groups based on the timing of SDP, either primary or secondary. The pocketing period and the time lapse between the initial operation and the secondary salvaged SDP were also documented. RESULTS Group 1 (13 digits) received primary SDP as means of venous drainage immediately after digital artery revascularization. The mean pocketing period was 9.2 days, ranging from 7 to 15 days, with a 100% complete survival rate. Group 2 (8 digits) received secondary SDP as a salvage procedure when venous congestion became apparent later. The mean time lapse between initial operation and salvaged SDP was 53.1 hours. The average pocketing period was 7.5 days, with a 75% survival rate. CONCLUSIONS Secondary SDP provides an alternative salvage solution for postreplantation venous insufficiency without the need for further microsurgery.

UI MeSH Term Description Entries
D007223 Infant A child between 1 and 23 months of age. Infants
D008297 Male Males
D008866 Microsurgery The performance of surgical procedures with the aid of a microscope.
D008875 Middle Aged An adult aged 45 - 64 years. Middle Age
D011183 Postoperative Complications Pathologic processes that affect patients after a surgical procedure. They may or may not be related to the disease for which the surgery was done, and they may or may not be direct results of the surgery. Complication, Postoperative,Complications, Postoperative,Postoperative Complication
D012092 Replantation Restoration of an organ or other structure to its original site. Reimplantation,Surgical Replantation,Replantation, Surgical,Reimplantations,Replantations,Replantations, Surgical,Surgical Replantations
D002648 Child A person 6 to 12 years of age. An individual 2 to 5 years old is CHILD, PRESCHOOL. Children
D002675 Child, Preschool A child between the ages of 2 and 5. Children, Preschool,Preschool Child,Preschool Children
D005260 Female Females
D005383 Finger Injuries General or unspecified injuries involving the fingers. Injuries, Finger,Finger Injury,Injury, Finger

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