Morphological study on the transverse branch of lateral femoral circumflex artery based on digital subtraction angiography

Huang Yongtao; Yang Lin; Cao Yang; Liu Yucheng; Gao Qinfeng; Yang Chengpeng; Sun Fengwen; Cheng Junnan; Zhang Tao; Ju Jihui

doi:10.3760/cma.j.cn501225-20220727-00315

Volume 39 Issue 4

Apr. 2023

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Article Navigation > CHINESE JOURNAL OF BURNS AND WOUNDS > 2023 > 39(4): 337-342

Huang YT,Yang L,Cao Y,et al.Morphological study on the transverse branch of lateral femoral circumflex artery based on digital subtraction angiography[J].Chin J Burns Wounds,2023,39(4):337-342.DOI: 10.3760/cma.j.cn501225-20220727-00315.

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Morphological study on the transverse branch of lateral femoral circumflex artery based on digital subtraction angiography

doi: 10.3760/cma.j.cn501225-20220727-00315

Department of Hand Surgery, Suzhou Ruihua Orthopaedic Hospital, Suzhou 215104, China

Funds:

Suzhou Gusu Health Talents Plan Program GSWS2020116

Key Technology Application Research of Suzhou Livelihood Science and Technology Project SS202092

Special Project on Diagnosis and Treatment Technology of Clinical Key Disease Species of Health Science and Education in Suzhou LCZX202026

Special Project of Suzhou Enterprise Engineering Technology Research Center SZS2019263

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Corresponding author: Ju Jihui, Email: jjh2006@263.net
Received Date: 2022-07-27

Abstract

Abstract

Objective To summarize the morphological characteristics of the transverse branch of lateral femoral circumflex artery (LFCA) using digital subtraction angiography (DSA) and explore its clinical significance. Methods A retrospective observational study was conducted. From October 2020 to May 2021, 62 patients with soft tissue injuries in the extremities were hospitalized in Suzhou Ruihua Orthopedic Hospital, including 40 males and 22 females, aged from 20 to 72 years. DSA was performed in the lateral femoral region of patients before the anterolateral thigh flap transplantation, and in combination with imaging scale to observe and measure the general condition of the blood vessels and the occurrence (with the occurrence rate being calculated), source artery, location of the origin point, direction of course, and the location of the perforating point of the cutaneous perforator of the transverse branch of LFCA, and in addition to classify the morphological characteristics of the transverse branch. Results DSA detection showed that the femoral artery, the deep femoral artery, and the branches of LFCA were clearly distinguishable in 62 patients. Transverse branches of LFCA were observed in 59 patients, including 52 cases with a single transverse branch, and 7 cases with double transverse branches. The occurrence rate of transverse branches was 95.2% (59/62). A total of 66 transverse branches of LFCA were observed, of which 3 originated from the deep femoral artery, and 63 originated from the LFCA. The origin point of the transverse branch was 6.5-12.7 cm away from the anterior superior iliac spine. The transverse branch which was approximately perpendicular to the long axis of the body, originated outwards, ran between the ascending branch of LFCA and the oblique branch of LFCA, and branched along the way, with the trunk running under the greater trochanter. The perforating point of the cutaneous perforator of the transverse branch was 8.0-18.0 cm away from the anterior superior iliac spine. In the classification of morphological characteristics of the transverse branch of LFCA, the most common type was the one that originated from the same trunk with other branches of LFCA, accounting for 50.0% (31/62), followed by the one that originated from the singular trunk of LFCA (12 cases) or deep femoral artery (3 cases), accounting for 24.2% (15/62); the special type accounted for 21.0% (13/62), including 7 cases of double transverse branches and 6 cases of the transverse branch originated from the same trunk with multiple other branches of LFCA; those with small/absent transverse branch only accounted for 4.8% (3/62). Among the above-mentioned common trunk relationship of two branches, those with shared trunk of ascending and transverse branches were most frequently observed, accounting for 77.4% (24/31); those with shared trunks of the transverse and oblique branches (5 cases) and the transverse and descending branches (2 cases) accounted for 22.6% (7/31) altogether. Conclusions A high incidence rate of the transverse branch of LFCA is observed through DSA. The transverse branch originates from the lateral femoral artery approximately perpendicular to the long axis of the body, mainly from the same trunk with another main branch of LFCA, especially the ascending branch. This positioning analysis can provide an important reference for the design and resection of anterolateral femoral flaps.
- Angiography, digital subtraction,
- Microsurgery,
- Surgical flaps,
- Transverse branch of lateral femoral circumflex artery

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