Evidence map›Paper›PMID 39183228›Full record

ArticleInternational orthopaedics2024

The anatomical course of the sciatic nerve in relation to different approaches in total hip arthroplasty.

Hannes Stofferin, Katharina Pfitscher, Romed Hörmann, Raphael Gmeiner, Martin Thaler

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Article in International orthopaedics, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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4 · The record

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5 · Who and what money

Authors and funding

5 authors.

Hannes StofferinInstitute of Clinical and Functional Anatomy, Department of Anatomy, Histology and Embryology, Medical University of Innsbruck, Muellerstr. 59, Innsbruck, 6020, Austria.
Katharina PfitscherDepartment of Obstetrics and Gynecology, Schwaz County Hospital, Swarovskistr. 1-3, Schwaz, 6130, Austria. katharina.pfitscher@kh-schwaz.at.
Romed HörmannInstitute of Clinical and Functional Anatomy, Department of Anatomy, Histology and Embryology, Medical University of Innsbruck, Muellerstr. 59, Innsbruck, 6020, Austria.
Raphael GmeinerInstitute of Clinical and Functional Anatomy, Department of Anatomy, Histology and Embryology, Medical University of Innsbruck, Muellerstr. 59, Innsbruck, 6020, Austria.
Martin ThalerArthroplasty Center, Helios Klinikum Munich West, Steinerweg 5, 81241, Munich, Germany.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

purposeAlthough sciatic nerve (SN) injury is relatively rare, it is a devastating complication after primary and revision total hip arthroplasty (THA). Therefore, precise localization of the SN is essential for arthroplasty surgeons.

methodsWe dissected 50 hemipelves from formalin-fixed cadavers. The course and location of the sciatic nerve were investigated in relation to different approaches for THA with the help of anatomical landmarks like the greater trochanter (GT), the iliac tubercle, the ischial tuberosity (IschT), the infrapiriform foramen, and the suprapiriform foramen.

resultsWe found and exposed the sciatic nerve in all 50 specimens with no sex-specific differences. No SN was encountered up to 22 mm posterior from the GT. The zone affording the highest probability of finding the nerve was posterior to the GT between 32 and 55 mm in 39 (78%) cases, thus defining a danger zone for different approaches for the THA.

conclusionSpecial care should be taken with posterior and deep instrument placement between the GT and IschT during THA. Moreover, manipulations in the proximal third of the posterior approach reaching deep and posteriorly should be performed with the utmost care.

Indexed as

Arthroplasty, Replacement, HipCadaverSciatic NerveAgedAged, 80 and overFemaleFemurHumansMaleMiddle AgedComplicationNerve injurySciatic nerveTotal hip arthroplasty

Identifiers

PMID39183228

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