Anatomic Landmarks for a Safe Arthroscopic Approach to the Deep Gluteal Space: A Cadaveric Study

SUMMARY: To determine the morphometric landmarks and anatomical variants relevant to the arthroscopic approach to the deep gluteal space. Twenty deep gluteal spaces from cadaveric specimens were dissected. The anatomical variants of the sciatic nerve (SN) were determined according to the Beaton and...

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Autores principales:	Capurro,Bruno, Tey,Marc, Monllau,Joan Carles, Carrera,Ana, Marques,Fernando, Reina,Francisco
Lenguaje:	English
Publicado:	Sociedad Chilena de Anatomía 2021
Materias:	Surgical anatomy Deep gluteal space Sciatic nerve Hip arthroscopy
Acceso en línea:	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022021000200359
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spelling	oai:scielo:S0717-950220210002003592021-04-22Anatomic Landmarks for a Safe Arthroscopic Approach to the Deep Gluteal Space: A Cadaveric StudyCapurro,BrunoTey,MarcMonllau,Joan CarlesCarrera,AnaMarques,FernandoReina,Francisco Surgical anatomy Deep gluteal space Sciatic nerve Hip arthroscopy SUMMARY: To determine the morphometric landmarks and anatomical variants relevant to the arthroscopic approach to the deep gluteal space. Twenty deep gluteal spaces from cadaveric specimens were dissected. The anatomical variants of the sciatic nerve (SN) were determined according to the Beaton and Anson classification. A morphometric study of the distances in the subgluteal space was carried out to define the anatomical references to achieve a safe arthroscopic approach for piriformis syndrome [GT-SN=Distance from greater trochanter (GT) to SN emergence; GT-IT=Distance from GT to ischial tuberosity (IT); GT-IGA=distance from GT to inferior gluteal artery (IGA) emergence; IT-SN=distance from IT to SN emergence; IT-IGA=distance from IT to IGA]. The SN showed the most frequent anatomical pattern with an undivided nerve coming out of the pelvis below the piriformis muscle (Beaton type A) in 16 specimens (80 %). The common peroneal nerve emergence in the subgluteal space through the piriformis muscle (PM) with the tibial nerve being located at the lower margin of the piriformis muscle (Beaton type B) was observed in 4 specimens (20 %). The morphometric measurements of the surgical area of study were: GT-SN=7.23 cm (±8.3); GT-IT=8.56 cm (±0.1); GT-IGA=8.46 cm (±0.97); IT-SN=5.28 cm (±0.73), IT- IGA=5.47 cm (±0.74). When planning surgery for the deep gluteal syndrome in adult patients, the fact that the emergence of the SN in the subgluteal space is approximately 7 cm from the greater trochanter and 5 cm from the ischial tuberosity must be considered.info:eu-repo/semantics/openAccessSociedad Chilena de AnatomíaInternational Journal of Morphology v.39 n.2 20212021-04-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022021000200359en10.4067/S0717-95022021000200359
institution	Scielo Chile
collection	Scielo Chile
language	English
topic	Surgical anatomy Deep gluteal space Sciatic nerve Hip arthroscopy
spellingShingle	Surgical anatomy Deep gluteal space Sciatic nerve Hip arthroscopy Capurro,Bruno Tey,Marc Monllau,Joan Carles Carrera,Ana Marques,Fernando Reina,Francisco Anatomic Landmarks for a Safe Arthroscopic Approach to the Deep Gluteal Space: A Cadaveric Study
description	SUMMARY: To determine the morphometric landmarks and anatomical variants relevant to the arthroscopic approach to the deep gluteal space. Twenty deep gluteal spaces from cadaveric specimens were dissected. The anatomical variants of the sciatic nerve (SN) were determined according to the Beaton and Anson classification. A morphometric study of the distances in the subgluteal space was carried out to define the anatomical references to achieve a safe arthroscopic approach for piriformis syndrome [GT-SN=Distance from greater trochanter (GT) to SN emergence; GT-IT=Distance from GT to ischial tuberosity (IT); GT-IGA=distance from GT to inferior gluteal artery (IGA) emergence; IT-SN=distance from IT to SN emergence; IT-IGA=distance from IT to IGA]. The SN showed the most frequent anatomical pattern with an undivided nerve coming out of the pelvis below the piriformis muscle (Beaton type A) in 16 specimens (80 %). The common peroneal nerve emergence in the subgluteal space through the piriformis muscle (PM) with the tibial nerve being located at the lower margin of the piriformis muscle (Beaton type B) was observed in 4 specimens (20 %). The morphometric measurements of the surgical area of study were: GT-SN=7.23 cm (±8.3); GT-IT=8.56 cm (±0.1); GT-IGA=8.46 cm (±0.97); IT-SN=5.28 cm (±0.73), IT- IGA=5.47 cm (±0.74). When planning surgery for the deep gluteal syndrome in adult patients, the fact that the emergence of the SN in the subgluteal space is approximately 7 cm from the greater trochanter and 5 cm from the ischial tuberosity must be considered.
author	Capurro,Bruno Tey,Marc Monllau,Joan Carles Carrera,Ana Marques,Fernando Reina,Francisco
author_facet	Capurro,Bruno Tey,Marc Monllau,Joan Carles Carrera,Ana Marques,Fernando Reina,Francisco
author_sort	Capurro,Bruno
title	Anatomic Landmarks for a Safe Arthroscopic Approach to the Deep Gluteal Space: A Cadaveric Study
title_short	Anatomic Landmarks for a Safe Arthroscopic Approach to the Deep Gluteal Space: A Cadaveric Study
title_full	Anatomic Landmarks for a Safe Arthroscopic Approach to the Deep Gluteal Space: A Cadaveric Study
title_fullStr	Anatomic Landmarks for a Safe Arthroscopic Approach to the Deep Gluteal Space: A Cadaveric Study
title_full_unstemmed	Anatomic Landmarks for a Safe Arthroscopic Approach to the Deep Gluteal Space: A Cadaveric Study
title_sort	anatomic landmarks for a safe arthroscopic approach to the deep gluteal space: a cadaveric study
publisher	Sociedad Chilena de Anatomía
publishDate	2021
url	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022021000200359
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Anatomic Landmarks for a Safe Arthroscopic Approach to the Deep Gluteal Space: A Cadaveric Study

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