Subscapularis Tenotomy in Anatomic Total Shoulder Arthroplasty

Tenotomy of the subscapularis is commonly used for exposure at the time of anatomic total shoulder arthroplasty. Understanding the anatomy of the subscapularis and its footprint for insertion into the lesser tuberosity helps perform an adequate tenotomy. Incision of the tendon at the right level, re...

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Main Author: Joaquin Sanchez-Sotelo MD, PhD
Format: Article
Language:English
Published: SAGE Publishing 2017-11-01
Series:Journal of Shoulder and Elbow Arthroplasty
Online Access:https://doi.org/10.1177/2471549217743605
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author Joaquin Sanchez-Sotelo MD, PhD
author_facet Joaquin Sanchez-Sotelo MD, PhD
author_sort Joaquin Sanchez-Sotelo MD, PhD
collection DOAJ
description Tenotomy of the subscapularis is commonly used for exposure at the time of anatomic total shoulder arthroplasty. Understanding the anatomy of the subscapularis and its footprint for insertion into the lesser tuberosity helps perform an adequate tenotomy. Incision of the tendon at the right level, release of the anterior capsule to restore excursion, a sound repair, and postoperative protection are important. Controversy remains regarding the relative advantages and disadvantages of tenotomy compared with alternatives, in particular osteotomy of the lesser tuberosity. Tenotomy has been associated with a higher rate of positive physical examination findings for subscapularis weakness and concerning tendon attenuation or rupture in some shoulders evaluated with ultrasound. However, patient-reported outcomes, objective measurement of strength in internal rotation, and revision and reoperation rates are identical with tenotomy and osteotomy. Tenotomy is particularly attractive in terms of simplicity, shorter operative time, and use in stemless shoulder arthroplasty. Failure of the tenotomy to heal leading to anterior instability can be salvaged surgically, but oftentimes requires revision to a reverse arthroplasty.
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spelling doaj.art-1300d256cdb846f3b40c55c110182a932022-12-21T19:51:54ZengSAGE PublishingJournal of Shoulder and Elbow Arthroplasty2471-54922017-11-01110.1177/2471549217743605Subscapularis Tenotomy in Anatomic Total Shoulder ArthroplastyJoaquin Sanchez-Sotelo MD, PhDTenotomy of the subscapularis is commonly used for exposure at the time of anatomic total shoulder arthroplasty. Understanding the anatomy of the subscapularis and its footprint for insertion into the lesser tuberosity helps perform an adequate tenotomy. Incision of the tendon at the right level, release of the anterior capsule to restore excursion, a sound repair, and postoperative protection are important. Controversy remains regarding the relative advantages and disadvantages of tenotomy compared with alternatives, in particular osteotomy of the lesser tuberosity. Tenotomy has been associated with a higher rate of positive physical examination findings for subscapularis weakness and concerning tendon attenuation or rupture in some shoulders evaluated with ultrasound. However, patient-reported outcomes, objective measurement of strength in internal rotation, and revision and reoperation rates are identical with tenotomy and osteotomy. Tenotomy is particularly attractive in terms of simplicity, shorter operative time, and use in stemless shoulder arthroplasty. Failure of the tenotomy to heal leading to anterior instability can be salvaged surgically, but oftentimes requires revision to a reverse arthroplasty.https://doi.org/10.1177/2471549217743605
spellingShingle Joaquin Sanchez-Sotelo MD, PhD
Subscapularis Tenotomy in Anatomic Total Shoulder Arthroplasty
Journal of Shoulder and Elbow Arthroplasty
title Subscapularis Tenotomy in Anatomic Total Shoulder Arthroplasty
title_full Subscapularis Tenotomy in Anatomic Total Shoulder Arthroplasty
title_fullStr Subscapularis Tenotomy in Anatomic Total Shoulder Arthroplasty
title_full_unstemmed Subscapularis Tenotomy in Anatomic Total Shoulder Arthroplasty
title_short Subscapularis Tenotomy in Anatomic Total Shoulder Arthroplasty
title_sort subscapularis tenotomy in anatomic total shoulder arthroplasty
url https://doi.org/10.1177/2471549217743605
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