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Rab, M; Mader, N; Kamolz, LP; Hausner, T; Gruber, H; Girsch, W.
Basic anatomical investigation of semitendinosus and the long head of biceps femoris muscle for their possible use in electrically stimulated neosphincter formation.
Surg Radiol Anat. 1997; 19(5):287-291 Doi: 10.1007/BF01637592
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Co-authors Med Uni Graz: Kamolz Lars-Peter
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Abstract:: Anal neosphincter formation with electrically stimulated gracilis muscle is used increasingly for the surgical treatment of fecal incontinence. An alternative to gracilis might be of interest if this muscle is not available. 30 semitendinosus muscles and 15 long heads of biceps femoris were investigated on human cadavers. In particular, the nerve and vascular supply of these muscles was studied, both representing basic factors for muscle transposition. The long head of biceps femoris m. was found to receive its dominant vascular supply from the first and second perforating artery and its nerve supply from one motor branch out of the sciatic nerve, both as described in literature. The examination of semitendinosus m., however, revealed new anatomical aspects in its vascular supply. In all cases semitendinosus m. was found to receive dominant vascular pedicles from the medial circumflex femoral artery close to the ischial tuberosity and the second perforating artery. The nerve supply consisted of two motor branches out of the sciatic nerve. Both muscles fulfilled several basic criterias for transposition to the anus. However, regarding these requirements, semitendinosus offered distinct advantages in comparison with the long head of biceps femoris. Due to its vascular and nerve topography, semitendinosus seems suitable to serve as an alternative to gracilis.
Find related publications in this database (using NLM MeSH Indexing): Anal Canal - surgery; Cadaver -; Fecal Incontinence - surgery; Female -; Humans -; Leg - anatomy and histology Leg - blood supply Leg - innervation; Male -; Muscle, Skeletal - anatomy and histology Muscle, Skeletal - blood supply Muscle, Skeletal - innervation Muscle, Skeletal - transplantation
Find related publications in this database (Keywords): human; ''hamstrings''; nerve and vascular supply; fecal incontinence; muscle transposition