palmar ulnar artery perforator free flap for fingertip reconstruction: anatomical and clinical study

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ID: 133918
2018
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Abstract
Background. Fingertips are a common site for hand injuries. The ideal substitute for fingertip pulp is tissue that matches texturally with minimal donor site morbidity. We described anatomical findings from cadaveric studies and the reliability of the palmar ulnar artery perforator (PUAP) free flap techniques for the reconstruction of fingertips injuries. Methods. The cadaveric study involving 8 hands was conducted to illuminate the anatomy of the hypothenar region. We investigated the emerging point of perforators, diameter of the artery at the origin, and the length of the pedicle. Forty-four patients with fingertip injuries underwent fingertip reconstruction using PUAP free flaps. Data on the baseline patient demographics, hospital courses, and flap sizes were obtained retrospectively. The 6-month postoperative sensory capacity was determined using a 2-point discrimination test. Results. The cadaveric study found that the PUAP pedicles arose from the superficial palmar arch, the mean length of pedicles, and the diameter and location of perforators were also analyzed. The PUAP flap sizes varied from 2.0 × 2.3 cm to 2.5 × 3.5 cm, and the mean operative time was 124 min. In all cases, we performed neurorrhaphy for fingertip sensory restoration. All donor sites were closed primarily, and the 2-point discrimination test result was 5.7±0.87 mm 6 months after surgery. Conclusions. We confirmed the anatomical consistency of the PUAP. Among the numerous reconstruction options available for fingertip injuries, the PUAP free flap is a useful fingertip reconstruction option.
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Authors ;Chang Sik Pak;Ji-In Jeon;Yujin Myung;Yung Ki Lee;Byung Jun Kim;Jae Hoon Jeong;Baek-Kyu Kim
Journal spectrochimica acta - part a: molecular and biomolecular spectroscopy
Year 2018
DOI
10.1155/2018/2862879
URL
http://dx.doi.org/10.1155/2018/2862879
Keywords
Medicine

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