Cadaveric evaluation of canine arthroscopic bicipital tenotomy

I. G. Holsworth; K. S. Schulz; K. Ingel

doi:10.1055/s-0038-1632742

Veterinary and Comparative Orthopaedics and Traumatology, Table of Contents

Vet Comp Orthop Traumatol 2002; 15(04): 215-222
DOI: 10.1055/s-0038-1632742

Original Research

Schattauer GmbH

Cadaveric evaluation of canine arthroscopic bicipital tenotomy

I. G. Holsworth

¹Department of Surgical and Radiological Science, University of California, Davis, USA

,

K. S. Schulz

¹Department of Surgical and Radiological Science, University of California, Davis, USA

,

K. Ingel

¹Department of Surgical and Radiological Science, University of California, Davis, USA

› Author Affiliations

Abstract

Summary

Purpose

The purposes of this study were to determine the optimal portal location, limb position and instrumentation for arthroscopic assisted biceps tenotomy as an alternative to open tendon transection and humeral tenodesis and to evaluate anatomical location and support of the tendon following transection.

Methods

Eight canine cadaver shoulder joints underwent arthroscopic visualization of bicipital tendon length via cranio-lateral and caudo-lateral camera portals in a variety of thoracic limb positions to determine maximal tendon length visualization by anatomical marking. Comparison of tenotomy time and ease was compared between radio frequency microscalpel, blade and arthroscopic shaver. Gross anatomical dissection was performed post-tenotomy to record tendon lengths, locations and supporting structures.

Results

The cranio-lateral camera port in conjunction with combined moderate shoulder and elbow flexion optimized tendon visualization, accessible length, and instrumentation ease. Visualized tendon length varied from 39-76% of total tendon length. Tenotomy times were lowest via blade and were unable to be performed with the shaver. After tenotomy the distal tendon segment remained loosely tethered within the in- tertubercular groove at the level of the intertubercular ligament by tendon sheath and capsular attachments.

Discussion

Biceps tenotomy is readily performed with standard arthroscopic equipment. Appropriate limb positioning and modification of previously described portals allows maximal access. Immediately posttenotomy the distal tendon is loosely maintained within the bicipital groove by tendon sheath and capsular attachments.

Keywords

Biceps tenosynovitis - arthroscopic tenotomy - radiofrequency

Full Text

References

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