Latissimus dorsi transfer to restore external rotation with reverse shoulder arthroplasty: A biomechanical study

Favre, Philippe; Loeb, Michael D.; Helmy, Naeder; Gerber, Christian

doi:10.1016/j.jse.2007.12.010

Cited by 94 publications

(62 citation statements)

References 52 publications

(64 reference statements)

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“…A transfer of the Latissimus dorsi in combination with the reverse shoulder replacement may be preferable to improve external rotation. 8,12 Second, intrinsic stability is influenced by the degree of abduction. In the intact joint, the stability ratio decreases slightly with glenohumeral abduction, with a maximum in the resting position.…”

Section: Discussionmentioning

confidence: 99%

The effect of component positioning on intrinsic stability of the reverse shoulder arthroplasty

Favre

Sussmann

Gerber

2010

Journal of Shoulder and Elbow Surgery

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139

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Section: Discussionmentioning

confidence: 99%

The effect of component positioning on intrinsic stability of the reverse shoulder arthroplasty

Favre

Sussmann

Gerber

2010

Journal of Shoulder and Elbow Surgery

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139

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“…19) For patients with a severe external rotation lag and a torn teres minor muscle, this combined procedure may improve final external rotation, which seems to be associated with higher patient satisfication. 20,21) Some researchers have reported that the no previous shoulder surgery group exhibited significantly higher postoperative mean pain and function scores, according to the ASES system and Constant scores, than the previous shoulder surgery group.…”

Section: A B Cmentioning

confidence: 97%

Short-term of Reverse Total Shoulder Arthroplasty for the Treatment of Irreparable Massive Rotator Cuff Tear

Park¹,

Wang²,

Lee³

2014

Clinics in Shoulder and Elbow

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Background: To investigate the effectiveness of reverse total shoulder arthroplasty (RTSA) in treating irreparable massive rotator cuff tears (RCTs). Methods: Twenty-nine patients who underwent RTSA for the treatment of irreparable massive RCTs and completed follow-up for at least 1 year were selected. Their mean age was 69.7 years (range, 59-80 years). The mean follow-up was 17.7 months (range, 12-42 months). The shoulder range of motion was measured preoperatively and at final follow-up. The functional result was evaluated using visual analog scale (VAS) for pain, American Shoulder and Elbow Surgeon (ASES) score, and Korean Shoulder Society (KSS) score. Additionally, the shoulders were categorized into two groups depending on prior history of surgery and the clinical outcomes were analyzed between two groups. Results: Mean pain VAS improved, from 6.6±1.2 to 2.7±0.9 (p=0.001), and the mean functional VAS from 35.7±4.2 to 73.3±5.4 (p=0.006). The mean ASES score improved from 37.2±2.8 to 75.0±3.8 (p=0.012). The mean KSS improved from 36.5±7.2 to 75.6±5.4 (p=0.009), the mean forward elevation from 66.3±4.7 to 135.6±8.4 (p=0.0001), and the mean abduction from 45.2±4.2 to 119.0±6.5o (p=0.0001). Internal rotation differed significantly from the first sacral to the third lumbar vertebrae (p=0.036). External rotation did not change significantly (p=0.076). There was also no statistically significant difference between groups (no previous operation versus none). Four complications occurred: one superficial infection, one with anterior dislocation, one acromial fracture, and one clavicle fracture. Conclusions: RTSA provides reliable pain relief and recovery of shoulder function in patients with massive irreparable RCTs in shortterm follow-up. (Clin Shoulder Elbow 2014;17(4):152-158)

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“…For patients with severe preoperative external rotational deficits, latissimus dorsi and teres major transfers can be beneficial [4,5,19,27,28,64]. Gerber et al speculated the absence of the teres minor was predictive of external rotational weakness and advocated transferring motor units, specifically the latissimus dorsi, to help restore rotational strength [19,27,28].…”

Section: Muscle Function: Loss Of External Rotation Strengthmentioning

confidence: 99%

“…Gerber et al speculated the absence of the teres minor was predictive of external rotational weakness and advocated transferring motor units, specifically the latissimus dorsi, to help restore rotational strength [19,27,28]. Boileau et al also described a modification of the latissimus/teres minor tendon transfer to help improve rotational strength [4,5].…”

Section: Muscle Function: Loss Of External Rotation Strengthmentioning

confidence: 99%

“…First, scapular notching reportedly occurs in between 44% and 96% of cases [6,7,42,61,63,65]. Second, the device was associated with limited external rotation, often requiring muscle transfers for improvement [4,5,19,27,28,64]. Finally, by medializing and moving the humerus distally, patients noted a loss of the normal deltoid contour leading not only to cosmetic concerns, but decreased deltoid efficiency resulting in a prosthesis with less inherent stability [26].…”

Section: Introductionmentioning

confidence: 99%

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How Reverse Shoulder Arthroplasty Works

Walker

Brooks

Willis

et al. 2011

Clinical Orthopaedics &Amp; Related Research

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Background The reverse total shoulder arthroplasty was introduced to treat the rotator cuff-deficient shoulder. Since its introduction, an improved understanding of the biomechanics of rotator cuff deficiency and reverse shoulder arthroplasty has facilitated the development of modern reverse arthroplasty designs. Questions/purposes We review (1) the basic biomechanical challenges associated with the rotator cuffdeficient shoulder; (2) the biomechanical rationale for newer reverse shoulder arthroplasty designs; (3) the current scientific evidence related to the function and performance of reverse shoulder arthroplasty; and (4) specific technical aspects of reverse shoulder arthroplasty. Methods A PubMed search of the English language literature was conducted using the key words reverse shoulder arthroplasty, rotator cuff arthropathy, and biomechanics of reverse shoulder arthroplasty. Articles were excluded if the content fell outside of the biomechanics of these topics, leaving the 66 articles included in this review. Results Various implant design factors as well as various surgical implantation techniques affect stability of reverse shoulder arthroplasty and patient function. To understand the implications of individual design factors, one must understand the function of the normal and the cuff-deficient shoulder and coalesce this understanding with the pathology presented by each patient to choose the proper surgical technique for reconstruction. Conclusions Several basic science and clinical studies improve our understanding of various design factors in reverse shoulder arthroplasty. However, much work remains to further elucidate the performance of newer designs and to evaluate patient outcomes using validated instruments such as the American Society for Elbow Surgery, simple shoulder test, and the Constant-Murley scores.

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Latissimus dorsi transfer to restore external rotation with reverse shoulder arthroplasty: A biomechanical study

Cited by 94 publications

References 52 publications

The effect of component positioning on intrinsic stability of the reverse shoulder arthroplasty

The effect of component positioning on intrinsic stability of the reverse shoulder arthroplasty

Short-term of Reverse Total Shoulder Arthroplasty for the Treatment of Irreparable Massive Rotator Cuff Tear

How Reverse Shoulder Arthroplasty Works

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