Accuracy of magnetic resonance imaging in determining the presence and size of recurrent rotator cuff tears

Motamedi, Ali; Urrea, Luis; Hancock, Robert E. W.; Hawkins, Richard J.; Ho, Charles P.

doi:10.1067/mse.2002.120139

Cited by 82 publications

(44 citation statements)

References 12 publications

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“…However, the accuracy of MRI in detecting tear size was not reported. Motamedi et al 24 reported the accuracy of MRI in quantifying tear size in patients with recurrent tears. Based on their sample of 33 shoulders, MRI had a sensitivity of 79%, a specificity of 85%, a positive predictive accuracy of 90%, and a negative predictive accuracy of 69% for the detection of large and massive rotator cuff tears.…”

Section: Discussionmentioning

confidence: 99%

The Effect of Rotator Cuff Tear Size on Shoulder Strength and Range of Motion

McCabe¹,

Nicholas²,

Montgomery³

et al. 2005

J Orthop Sports Phys Ther

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Study Design: Prospective cohort study. Objectives: To determine the effect of rotator cuff tear size on shoulder strength and range of motion. Background: Patients with rotator cuff pathology typically present with weakness and motion loss in various motions. The extent to which the presence of a rotator cuff tear and the size of the tear affect strength and range of motion is not well understood. Methods and Measures: Sixty-one patients scheduled for surgery, with a diagnosis of a rotator cuff tear and/or subacromial impingement, underwent examination for shoulder pain, function, range of motion, and strength. The extent of rotator cuff pathology was documented during subsequent surgery (presence of tear, tear size, tear thickness). Results: There were 10 massive tears, 15 large tears, 13 medium tears, 12 small tears, and 11 rotator cuffs without a tear. Patients had marked weakness in abduction strength at 90°and 10°of abduction, in external rotation strength at 90°, and in the ''full can test'' (all, P Ͻ.0001). Marked range of motion losses in shoulder flexion and external rotation at 0°and 90°abduction (all, P Ͻ.001) were also observed. Abduction strength deficit at 10°was affected by rotator cuff tear size (P Ͻ.0001). Twenty of 25 patients with large or massive tears had deficits greater than 50%, compared with only 1 of 11 patients with no tear, 2 of 12 patients with a small tear, and 5 of 13 patients with a medium tear (P Ͻ.0001). Other strength and range of motion deficits or indices of pain and function were unaffected by tear size. Conclusions: Weakness of greater than 50% relative to the contralateral side in shoulder abduction at 10°of abduction was indicative of a large or massive rotator cuff tear. J Orthop Sports Phys Ther 2005;35:130-135.

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Section: Discussionmentioning

confidence: 99%

The Effect of Rotator Cuff Tear Size on Shoulder Strength and Range of Motion

McCabe¹,

Nicholas²,

Montgomery³

et al. 2005

J Orthop Sports Phys Ther

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“…But patients could not be convinced to have an injection into their shoulder. Furthermore, one has to state that the diffuse signal increase in post-operative MRI may lead to overestimation of re-tears according to studies by Owen et al [26], Spielmann et al [29] and Motamedi et al [24]. We believe that because of our very strict criteria for retears and the evaluation by two examiners the number of false-negative judgments would be low.…”

Section: Mrimentioning

confidence: 99%

Influence of tendon healing after arthroscopic rotator cuff repair on clinical outcome using single-row Mason-Allen suture technique: a prospective, MRI controlled study

Lichtenberg¹,

Liem²,

Magosch³

et al. 2006

Knee Surg Sports Traumatol Arthrosc

101

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The reported functional results of rotator cuff repair performed arthroscopically have been good. Only little is known about the cuff integrity after arthroscopic repair and how it influences the outcome. The aim of the study is to set a baseline of what rate of healing response respectively re-tears to expect and how cuff integrity alters the outcome. Fifty-three consecutive patients with an isolated supraspinatus tendon tear were arthroscopically operated and their tendons repaired. All pre- and postoperative data were prospectively collected. At a minimum follow-up after 24 months (average 26.4 months), the integrity of the cuff was evaluated by an open magnetic resonance imaging and the patients' function and satisfaction were documented and graded to the sex- and age-related Constant-score also using a dynamometer for strength testing. The re-tear rate was 24.5% with 13 non-healed tendons. The Constant-score of all patients improved significantly. The scores of the patients with a re-tear were significantly lower than those of the patient with an intact cuff. That was due to a less good performance in strength testing. The other categories of the Constant-score did not show any differences. The age of the patients with a re-tear was significantly higher. With the exception of age, we did not find any negative prognostic factor for a re-tear, and with the exception of re-tear no other factor influenced the Constant-score. Arthroscopic supraspinatus tendon repair yields a re-tear rate of 25% which is comparable with the results of open or mini/open repair. Cuff integrity influences postoperative strength and Constant-score. Patients older than 65 years show a higher re-tear rate. Therapeutic Level IV is the level of evidence.

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“…Tendon rerupture has attracted preferential attention and has been extensively assessed by means of arthrography [2][3][4][5], ultrasound [6][7][8][9][10][11][12][13][14][15], arthrography combined with computed tomography (CT) [16][17][18], magnetic resonance (MR) imaging [13,[16][17][18][19][20][21][22][23][24][25][26][27][28][29][30][31][32][33], and MR arthrography [34].…”

Section: Introductionmentioning

confidence: 99%

MR assessment of the repaired rotator cuff: prevalence, size, location, and clinical relevance of tendon rerupture

et al. 2006

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The objectives of this study were to use magnetic resonance (MR) imaging to evaluate the prevalence, size, location, and clinical relevance of tendon rerupture following complete repair of full-thickness rotator cuff tear (RCT). A total of 78 surgically proven full-thickness rotator cuff tears in 74 patients were retrospectively included in the study. Clinical assessment was performed using the University of California at Los Angeles score. Postoperative MR imaging was evaluated to determine prevalence, size, and location of tendon rerupture. At a mean 48.4 months' follow-up, 62 shoulders (79.5%) had favorable outcomes and 45 shoulders (57.6%) showed rerupture on MR imaging studies. Reruptures were significantly more prevalent among patients with intermediate-to-bad outcomes (81.3%), with surgically demonstrated two-tendon tears (78.9%) or three-tendon tears (100%), and with preoperative fatty degeneration of the supraspinatus muscle greater than 1 (91.6%). Reruptures were also significantly larger in those subgroups. Complete repair of RCT of all sizes may have favorable outcomes in a significant proportion of patients in spite of a high prevalence of reruptures. Preoperative tear size and degree of muscle fatty degeneration influence the prevalence and rerupture size. After repair of supraspinatus tears, reruptures tend to invade the posterior aspect of the tendon.

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Accuracy of magnetic resonance imaging in determining the presence and size of recurrent rotator cuff tears

Cited by 82 publications

References 12 publications

The Effect of Rotator Cuff Tear Size on Shoulder Strength and Range of Motion

The Effect of Rotator Cuff Tear Size on Shoulder Strength and Range of Motion

Influence of tendon healing after arthroscopic rotator cuff repair on clinical outcome using single-row Mason-Allen suture technique: a prospective, MRI controlled study

MR assessment of the repaired rotator cuff: prevalence, size, location, and clinical relevance of tendon rerupture

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