Distal Pullout Strengths of the Biceps Long Head Tendon for Different Adjacent Tissue and Tendon Pathologies During Rotator Cuff Repair

Overview

Journal Biomed Res Int

Publisher Wiley

Specialties Biomedical Engineering
Biotechnology
General Medicine

Date 2018 Oct 2

PMID 30271783

Authors

Young Jun Kim

Ohhyo Kwon

Hwa-Ryeong Lee

Sae Hoon Kim

Affiliations

Soon will be listed here.

Abstract

Pathologies of the long head of the biceps tendon (LHBT) are frequently recognized in cases of rotator cuff tear. Recommendations for managing such pathologies remain debatable, and distal migration of tenotomized biceps is always a concern when only tenotomy is performed. Seventy patients of mean age 60.4 ± 6.9 years (range: 44 to 82 years) were included in this retrospective study. During subpectoral tenodesis in rotator cuff repair, pullout tensions were measured using a digital tensiometer. Measured tensions obtained were analyzed with respect to sex, tear involvement of the subscapularis, and the presence of a partial tear of LHBT, type II SLAP lesion, subluxation/dislocation of the biceps, or a pulley lesion. . Mean LHBT pullout tension for the 70 study subjects was 86.5 ± 42.1 N (26.7-240.5 N). Distal LHBT pullout tension was significantly greater for men than women (93.2 ± 42.7 N versus 73.7 ± 38.7 N, P = 0.041). However, LHBT pullout tensions were not significantly associated with different pathologies of surrounding tissues or of LHBTs (all Ps > 0.05). The study failed to show pullout tension differences associated with pathologies affect distal migration of a tenotomized LHBT. Gender was the only factor found to affect LHBT pullout strength. Risk of distal migration of tenotomized LHBT could not be predicted with intraoperative arthroscopic pathologic findings.

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