Journal of oral and maxillofacial surgery : official journal of the American Association of Oral and Maxillofacial Surgeons · 2014
A prospective study of medial sural artery perforator flap with computed tomographic angiography-aided design in tongue reconstruction.
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He Yue, Jin Shu-Fang, Zhang Zhi-Yuan, Feng Shao-Qing, Zhang Chen-Ping, Zhang Yi-Xin
Аннотация
PURPOSE: To investigate the application of the medial sural artery perforator flap in hemiglossectomy reconstruction and evaluate the value of preoperative computed tomographic angiography (CTA) for perforator location.
PATIENTS AND METHODS: Nine patients received medial sural artery perforator flaps for tongue reconstruction from August 2013 to January 2014. Of the 9 patients, 5 were male and 4 were female, with a mean age of 51 years (range 22 to 67). The number, location, and course of the perforators were measured on the CTA preoperatively.
RESULTS: Of the 9 medial sural artery perforator flaps, 8 survived and 1 had developed necrosis. Thirteen perforators had been visualized by CTA, and 10 of these were used in the operation. No significant difference was found between the CTA location and the intraoperative findings in the perforators' distribution. The mean diameter of the medial sural artery was 1.0 ± 0.3 mm and of the concomitant vein was 2.0 ± 0.7 mm. The mean pedicle length was 9.7 ± 1.0 cm, with 5.1 ± 1.7 cm of the main trunk and 4.6 ± 2.1 cm of the perforator. The average number of muscular vessel branches was 23.9 ± 6.9, with 12.2 ± 5.1 from the main trunk and 10.1 ± 4.4 from the perforators; 1 (10%) perforator was septocutaneous and 9 (90%) were myocutaneous.
CONCLUSIONS: The medial sural artery perforator flap is appropriate for medium-size tongue defect reconstruction, with a long pedicle of matching caliber, adequate tissue volume, and minimal donor site morbidity. CTA is a valuable and necessary method for preoperative assessment of the perforator's location.
PATIENTS AND METHODS: Nine patients received medial sural artery perforator flaps for tongue reconstruction from August 2013 to January 2014. Of the 9 patients, 5 were male and 4 were female, with a mean age of 51 years (range 22 to 67). The number, location, and course of the perforators were measured on the CTA preoperatively.
RESULTS: Of the 9 medial sural artery perforator flaps, 8 survived and 1 had developed necrosis. Thirteen perforators had been visualized by CTA, and 10 of these were used in the operation. No significant difference was found between the CTA location and the intraoperative findings in the perforators' distribution. The mean diameter of the medial sural artery was 1.0 ± 0.3 mm and of the concomitant vein was 2.0 ± 0.7 mm. The mean pedicle length was 9.7 ± 1.0 cm, with 5.1 ± 1.7 cm of the main trunk and 4.6 ± 2.1 cm of the perforator. The average number of muscular vessel branches was 23.9 ± 6.9, with 12.2 ± 5.1 from the main trunk and 10.1 ± 4.4 from the perforators; 1 (10%) perforator was septocutaneous and 9 (90%) were myocutaneous.
CONCLUSIONS: The medial sural artery perforator flap is appropriate for medium-size tongue defect reconstruction, with a long pedicle of matching caliber, adequate tissue volume, and minimal donor site morbidity. CTA is a valuable and necessary method for preoperative assessment of the perforator's location.