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Duration and cessation characteristics of heparinization after finger replantation: A retrospective analysis of outcomes
Author(s) -
Efanov Johnny I.,
Khriguian Julia,
Cassier Sophie,
Boghossian Elie,
Harris Patrick G.,
BouMerhi Joseph,
Danino M. A.
Publication year - 2018
Publication title -
microsurgery
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.031
H-Index - 63
eISSN - 1098-2752
pISSN - 0738-1085
DOI - 10.1002/micr.30194
Subject(s) - medicine , heparin , surgery , discontinuation , venous thrombosis , anesthesia , thrombosis , replantation , amputation , retrospective cohort study , contraindication , alternative medicine , pathology
Background To prevent postoperative thrombosis, indications for anticoagulation in finger replantation have been described, but no consensus has yet been found for cessation protocols. The aim of this study is to investigate cessation methods of intravenous anticoagulation after finger replantation. Methods A retrospective review of all patients treated for a finger replantation between December 2014 and July 2016 was performed. Only those who required postoperative treatment with intravenous heparin were extracted. Primary outcome was survival of finger at hospital discharge and data collection focused on postoperative anticoagulation regimens. Results 108 patients with replantation were treated with intravenous heparin and included in the analysis. When anticoagulated, survival rate was 60% ( n  = 65) at hospital discharge, wherein arterial and venous thrombosis accounted for 60 and 40% respectively. Descriptive analysis failed to demonstrate an increase in failure rates when tested for duration of intravenous heparin, fixed or variable infusion rates of anticoagulation and need for vascular grafts. However, there was a 2.8‐fold ( P  = .009) increase in the survival rate with progressive weaning of anticoagulation rather than abrupt discontinuation. Subgroup analysis demonstrated similar findings when considering arterial thrombosis alone (OR 5.2, P  = .012), but did not show any significant difference for venous thrombosis (OR 1.7, P  = .344). Conclusions Progressive tapering of intravenous heparin is associated with an increased survival rate after finger replantation, particularly for arterial thrombosis. Further prospective and randomized trials are necessary to elucidate the optimal duration, method of infusion and indications for vascular grafts.

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