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Distal biceps tendon rupture: a comprehensive overview.

ABSTRACT: Distal biceps tendon (DBT) is a relatively rare injury mainly occurring in middle-aged men while in eccentric biceps muscle contraction. Clinical appearance with proximal avulsion of the muscle and specific clinical tests are most of the time sufficient for diagnosing DBT, but if needed ultrasonography and MRI, most often in FABS view, can be used to ensure diagnosis of DBT and partial DBT. Surgical anatomical reinsertion has shown to be a successful method of treatment, although conservative treatment can be initiated in older patients. Two different approaches are described in literature: single- and double-incision techniques with different fixation methods proving to have similarly good results. Major complications of surgical intervention are posterior interosseous nerve palsy and symptomatic heterotropic ossification. Overall outcome of surgical intervention has shown high subjective satisfaction with slight weakness in flexion and supination but mostly without loss in range of motion.

SUBMITTER: Jaschke M

PROVIDER: S-EPMC10646517 | biostudies-literature | 2023 Nov

REPOSITORIES: biostudies-literature

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Distal biceps tendon rupture: a comprehensive overview.

Jaschke Markus M Rekawek Krzysztof K Sokolowski Sebastian S Kolodziej Lukasz L

EFORT open reviews 20231101 11

Distal biceps tendon (DBT) is a relatively rare injury mainly occurring in middle-aged men while in eccentric biceps muscle contraction. Clinical appearance with proximal avulsion of the muscle and specific clinical tests are most of the time sufficient for diagnosing DBT, but if needed ultrasonography and MRI, most often in FABS view, can be used to ensure diagnosis of DBT and partial DBT. Surgical anatomical reinsertion has shown to be a successful method of treatment, although conservative tr ...[more]

PMID: 37909692

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Project description:BackgroundChronic tendon retraction subsequent to distal biceps tendon rupture significantly increases repair difficulty and potential for tendon grafting. Biceps tendons that appear short or absent with magnetic resonance imaging (MRI) or that cannot be readily identified at surgery may erroneously be classified as irreparable. These apparent "absent" biceps tendons may actually be retracted and curled up inside the muscle, visually resembling the head-neck of a turtle retracted inside its shell (the "turtle neck sign"). When located, these tendons could be unfolded and repaired primarily. This type of tendon retraction seems to be associated with high-degree ruptures and larcertus fibrosus tears.PurposeTo test the hypothesis that tendon retractions with a turtle neck sign on MRI are more associated with high-degree ruptures and larcertus fibrosus tears versus tendon tears with simple linear retraction.Study designCross-sectional study; Level of evidence, 3.MethodsRetracted distal biceps tendon ruptures on sagittal MRI were categorized as linear retraction or curled-up (turtle neck) retraction. Retraction length, injury severity, and lacertus fibrosus tears were analyzed.ResultsThe authors retrospectively analyzed the patient records of 85 consecutive traumatic distal biceps tendon ruptures from 2003 to 2019; the final study cohort was 37 patients. Injury-to-surgery timing was as follows: <3 weeks, 43% (16 cases); 3 weeks to 3 months, 32% (12 cases); and >3 months, 24% (9 cases). Overall, 19 patients had linear retraction <7 cm (mean, 3.3 ± 1.9 cm) and 18 patients had a turtle neck retraction ≥7 cm (mean, 9.1 ± 1.6 cm). The injury-to-surgery time (median [± interquartile range]) was 27 days (±90 days) in the linear retraction group and 23 days (±65 days) in the turtle neck retraction group. The turtle neck retraction group had a significantly higher occurrence of abnormal hook test findings, complete distal biceps tendon rupture, and lacertus fibrosus tears compared with the linear retraction group (100% vs 58%, 100% vs 68%, and 100% vs 37%, respectively; P ≤ .02). However, significant repairability differences were not found.ConclusionHighly retracted distal biceps turtle neck sign tendon ruptures occur frequently in association with high-degree ruptures and lacertus fibrosus tears. The presence of a turtle neck retraction did not affect reparability. Surgeons should be aware of this curled-up retraction to avoid mistaking it for an absent tendon or a muscle-tendon disruption.

Project description:PurposeOur purpose was to analyze the content and quality of YouTube videos related to distal biceps tendon (DBT) ruptures and repair. We aimed to compare differences between academic and nonacademic video sources.MethodsThe most popular YouTube videos related to DBT injuries were compiled and analyzed according to source. Viewing characteristics were determined for each video. Video content and quality were assessed by 2 reviewers and analyzed according to the Journal of the American Medical Association benchmark criteria, DISCERN criteria, and a Distal Biceps Content Score. Cohen's kappa was used to measure interrater reliability.ResultsA total of 59 DBT YouTube videos were included. The intraclass correlation coefficients ranged from moderate to excellent for the content scores. The mean DISCERN score was 29, and no videos were rated as either "good" or "excellent" for content quality. With the exception of the mean Journal of the American Medical Association criteria score (1.5 vs 0.5), videos from academic sources did not demonstrate significantly higher levels of content quality. Only 4/59 videos (7%) discussed the natural history of nonsurgically treated DBT ruptures. Of the 32 videos that discussed surgical techniques, only 3/32 (9%) had a preference for 2-incision techniques. No videos discussed the association between spontaneous DBT ruptures and cardiac amyloidosis.ConclusionsThe overall content, quality, and reliability of DBT videos on YouTube are poor. Videos from academic sources do not provide higher-quality information than videos from nonacademic sources. Videos related to operative treatment of DBT ruptures more frequently discuss single-incision techniques.Clinical relevanceSocial media videos can function as direct-to-consumer marketing materials, and surgeons should be prepared to address misconceptions regarding the management of DBT tears. Patients are increasingly seeking health information online, and surgeons should direct patients toward more reliable and vetted sources of information.

Dataset Information

Distal biceps tendon rupture: a comprehensive overview.

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Distal biceps tendon rupture: a comprehensive overview.

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