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논문 기본 정보

자료유형
학술저널
저자정보
Lee Shin Hyo (Department of Anatomy and Jesaeng-Euise Clinical Anatomy Center Wonkwang University School of Medicine) Kim Hee Jung (Department of Anesthesiology and Pain Medicine Severance Hospital Yonsei University) Kim Shin Hyung (Department of Anesthesiology and Pain Medicine Yonsei University College of Medicine) Cho Tae-Hyeon (Department of Anatomy College of Korean Medicine Semyung University) Kwon Hyun-Jin (Department of Anatomy Yonsei University College of Medicine) O Jehoon (Center of Biohealth Convergence and Open Sharing System Hongik University) Hong Ju Eun (Department of Biomedical Laboratory Science College of Software and Digital Healthcare Convergence Yonsei University MIRAE Campus) Nam Seung Hyun (Department of Anesthesiology and Pain Medicine Yonsei University College of Medicine) Hwang Young-Il (Department of Anatomy and Cell Biology Seoul National University College of Medicine) Yang Hun-Mu (Department of Anatomy Yonsei University College of Medicine)
저널정보
대한마취통증의학회(구 대한마취과학회) Korean Journal of Anesthesiology Korean Journal of Anesthesiology Vol.76 No.3
발행연도
2023.6
수록면
252 - 260 (9page)
DOI
10.4097/kja.22499

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Background: A precise anatomical understanding of the adductor canal (AC) and its neural components is essential for discerning the action mechanism of the AC block. We therefore aimed to clarify the detailed anatomy of the AC using micro-computed tomography (micro-CT), histological evaluation, and immunofluorescence (IF) assays.Methods: Gross dissections of 39 thighs provided morphometric data relevant to injection landmarks. Serial sectional images of the AC were defined using micro-CT and ultrasonography. The fascial and neural structures of the AC proper were histologically evaluated using Masson’s trichrome and Verhoeff-Van Gieson staining, and double IF staining using choline acetyltransferase (ChAT) and neurofilament 200 antibodies.Results: The posteromedial branch insertion of the nerve to vastus medialis (NVM) into the lateral border of the AC proper was lower (14.5 ± 2.4 cm [mean ± SD] above the base of the patella) than the origin of the proximal AC. The AC consists of a thin subsartorial fascia in the proximal region and a thick aponeurosis-like vastoadductor membrane in the distal region. In the proximal AC, the posteromedial branch of the NVM (pmNVM) consistently contained both sensory and motor fibers, and more ChAT-positive fibers were observed than in the saphenous nerve (27.5 ± 11.2 / 104 vs. 4.2 ± 2.6 / 104 [counts/µm2], P < 0.001).Conclusions: Anatomical differences in fascial structures between the proximal and distal AC and a mixed neural component of the neighboring pmNVM have been visualized using micro-CT images, histological evaluation, and IF assays.

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