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find Author "LIUHongxia" 1 results
  • DECOMPRESSION AND DIVERTING EFFECTS OF VASCULAR ANASTOMOSIS BASED ON DIGITAL ARTERIAL ARCH BRANCH IN REPL ANTATION OF FREE FINGER-PULP

    ObjectiveTo investigate the decompression and diverting effects of vascular anastomosis based on the digital arterial arch branch in replantation of free finger-pulp in distal phalanges. MethodsA retrospective analysis was performed on the clinical data of 12 patients (12 fingers) who underwent free finger-pulp replantation with anastomosis of proper palmar digital artery and the palmar digital artery arch branch in the distal end between December 2004 and March 2015. Of 12 cases, 9 were male and 3 were female, aged 15-39 years with an average of 32 years. The causes of injury included cutting injury in 4 cases, crush injury in 7 cases, and avulsion injury in 1 case. The thumb was involved in 2 cases, index finger in 4 cases, ring finger in 3 cases, middle finger in 1 case, and little finger in 2 cases. The free finger pulp ranged from 1.8 cm×1.5 cm to 2.8 cm×2.0 cm. The time from injury to operation ranged from 1.5 to 11.0 hours, with an average of 5.7 hours. No arterial arch or proper palmar digital arteriae anastomosis was excluded. ResultsFree finger-pulp survived in 11 cases after operation; venous crisis occurred in 1 case at 2 days after operation, and was cured after symptomatic treatment. Nine cases were followed up 6-18 months with an average of 10 months. The finger-pulp had good appearance, clear fingerprint, and soft texture. The two-point discrimination was 3.1-6.0 mm, with an average of 4.6 mm at 6 months after operation. The function of finger flexion and extension was normal. And according to upper extremity functional evaluation standard by hand surgery branch of Chinese Medical Association, the results were excellent in 7 cases, and good in 2 cases. ConclusionIn the replantation of amputated pulp with insufficiency of venous blood outflow, the anastomosis of digital arterial arch branch in the distal end can decompress and shunt arterial blood, adjust blood inflow and outflow, and solve the problems of insufficient quantity of the vein and venous reflux disturbance.

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