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  • Title: [Results After Distal Digital Replantation - Is It Worth The Effort?].
    Author: Braig D, Thiele JR, Penna V, Stark GB, Eisenhardt SU.
    Journal: Handchir Mikrochir Plast Chir; 2017 Feb; 49(1):29-36. PubMed ID: 28423440.
    Abstract:
    There are only relative indications for distal digital replantation in zones 1 and 2 according to Tamai. In contrast to primary closure for fingertip amputations, replantation is a complex procedure that requires skills in supermicrosurgical techniques, as vessels with diameters between 0.3-0.8 mm are connected. In addition the time spent in hospital and the time off from work are longer. Distal digital replantation is thus only indicated, if the expected functional and aesthetic benefits surmount those of primary closure. We retrospectively analysed all fingertip amputations in zone 1 and 2 according to Tamai between 9/2009 and 7/2014 where we attempted distal digital replantation. The success of replantation, wound healing and functional results were evaluated according to Yamano. We performed 11 distal digital replantations in the study period. There were 6 total amputations, 4 subtotal amputations and 1 avulsion of the digital pulp. Revascularisation with long-term reattachment of the amputated tissues was possible in 8 cases (73%). In 3 cases (27%) secondary amputation closure was necessary. The mean operating time was 3 h 56 min. 6 patients, which had a successful replantation, were available for follow-up examinations after a mean period of 19 months. 5 patients were satisfied with the result and would again prefer replantation over primary amputation closure. 4 patients reported a good function of the replanted digits and did not complain about any limitations in their use. 2 patients complained about restricted function. All patients could return to their previous places of employment and were free of pain. Of the 12 affected digital nerves 11 nerves had a 2-point discrimination (2-PD) of ≤15 mm, 3 of them had a 2-PD between 7 and 10 mm and 4 of them of <6 mm. Soft tissue atrophy was obvious in 3 replanted digits and nail deformities in 2 patients. Distal digital replantation is complex and technically challenging. It leads to high patient satisfaction with only minimal functional limitations, if successful. Due to the good results that can be obtained by these procedures, fingertip replantation should be attempted, if operative risks are minimal and if requested by the patient.
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