A rare case of an anatomical variation of bilateral long head of the biceps brachii tendons identified within the substance of bifid subscapularis tendons

Ayoubi, Rami; Darwish, M.A.; Nassour, Nour; Aouad, Dany; Maalouly, Joseph; Kanj, Vladimir; Rassi, Georges El

doi:10.1016/j.asmart.2020.09.001

Cited by 2 publications

(1 citation statement)

References 22 publications

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“…However, other authors have maintained that isolated dislocation of the LHBT might occur without rotator cuff injury. Ayoubi et al [ 17 ] reported on a case of bilateral dislocation without detection of any subscapularis tears. The patient’s symptoms were remarkably similar to those of our patient.…”

Section: Discussionmentioning

confidence: 99%

Bilateral dislocation of the long head of biceps tendon with intact rotator cuff tendon: A case report

Sohn,

Cho,

Kim

2023

World J Clin Cases

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Fasting during the month of Ramadan is one of the five fundamental principles of Islam, and it is obligatory for healthy Muslim adults and adolescents. During the fasting month, Muslims usually have two meals a day, suhur (before dawn) and iftar (after dusk). However, diabetic patients may face difficulties when fasting, so it is important for medical staff to educate them on safe fasting practices. Prolonged strict fasting can increase the risk of hypoglycemia and diabetic ketoacidosis, but with proper knowledge, careful planning, and medication adjustment, diabetic Muslim patients can fast during Ramadan. For this review, a literature search was conducted using PubMed and Google Scholar until May 2023. Articles other than the English language were excluded. Current strategies for managing blood sugar levels during Ramadan include a combination of patient education on nutrition, regular monitoring of blood glucose, medications, and insulin therapy. Insulin therapy can be continued during fasting if properly titrated to the patients’ needs, and finger prick blood sugar levels should be assessed regularly. If certain symptoms such as hypoglycemia, hyperglycemia, dehydration, or acute illness occur, or blood glucose levels become too high (> 300 mg/dL) or too low (70 mg/dL), the fast should be broken. New insulin formulations such as pegylated insulin and medications like tirzepatide, a dual agonist of gastric-inhibitory peptideand glucagonlike-peptide 1 receptors, have shown promise in managing blood sugar levels during Ramadan. Non-insulin-dependent medications like sodium-glucose-cotransporter-2 inhibitors, including the Food and Drug Administration-approved ertugliflozin, are also being used to provide additional cardiovascular benefits in patients with type 2 diabetes.

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Section: Discussionmentioning

confidence: 99%

Bilateral dislocation of the long head of biceps tendon with intact rotator cuff tendon: A case report

Sohn,

Cho,

Kim

2023

World J Clin Cases

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The long head of biceps at the shoulder: a scoping review

Diplock

Hing

Marks

2023

BMC Musculoskelet Disord

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Background This review aimed to explore the available literature to update our understanding of the long head of biceps (LHB) at the shoulder. Synthesise our findings to identify emergent themes and knowledge gaps to inform future research and management directions. Methods PubMed, Embase, Cinahl, SportDiscus, CENTRAL, and Web of Science were searched from inception to 31st December 2021. Articles were included if they referenced adult participants > 18 years of age and were written in English. Results 214 articles were included in the final analysis, and results were categorised into six emergent themes: (1) Anatomy - Normal anatomical variation of the biceps from aberrant origins, third and fourth accessory heads, and an absence of the LHB tendon (LHBT) are not necessarily benign, with shoulder pain and instability a commonly reported theme. (2) Function - Bicep’s role in glenohumeral elevation and stability in healthy shoulders is minimal. In contrast, LHB has a more significant role in shoulder stability and humeral head depression in subjects with rotator cuff failure or an absent LHBT. (3) Pathology - There is an association between LHB tendinopathy, rotator cuff disease, LHBT instability and occult rotator cuff tears. Early recruitment and hyperactivity of the LHB in subjects with symptomatic rotator cuff tears and instability suggest a potential compensatory role. (4) Assessment - The limited diagnostic utility of special orthopaedic tests in assessing LHBT pathology was a consistent theme. The utility of magnetic resonance imaging and ultrasound to identify full-thickness tendon tears and instability of the LHBT was moderate to high. However, the utility of clinical tests and imaging may be underestimated due to arthroscopy’s limitations in fully visualising the proximal LHBT. (5) Non-Surgical Management - Ultrasound-guided injections into the biceps sheath show greater accuracy and patient outcomes than blinded injections; however, the entry of injectate into the intraarticular glenohumeral joint may have unwanted complications. (6) Surgical management - For the surgical management of biceps pathology with or without rotator cuff pathology, both biceps tenodesis and tenotomy report similar improvements in pain without any significant adverse effect on strength or function. Tenodesis favoured higher overall constant scores and a lower incidence of Popeye deformity and cramping arm pain, with tenotomy trending to be more cost and time effective. For patients with a healthy LHBT, rotator cuff repair with adjunctive tenodesis or tenotomy fails to provide additional clinical improvements compared to rotator cuff repair in isolation. Conclusions The scoping review highlights the variability of biceps anatomy, which is not necessarily benign and suggests a minimal role of the LHB in shoulder elevation and stability in healthy individuals. In contrast, individuals with rotator cuff tears experience proximal humeral migration and demonstrate hyperactivity of the LHB, suggesting a potential compensation role. The observed prevalence of LHBT pathology with rotator cuff tears is well established; however, the cause-and-effect relationship between LHBT pathology and rotator cuff disease is undetermined. The diagnostic utility of clinical tests and imaging to exclude LHBT pathology may be understated due to the limitations of arthroscopy to visualise the proximal LHBT fully. Rehabilitation programs for the LHB are understudied. Similar post-surgical clinical outcomes are observed for tenodesis and tenotomy for biceps and rotator cuff-related shoulder pain. Subjects undergoing biceps tenodesis are less likely to have cramping arm pain and a Popeye deformity than patients undergoing biceps tenotomy. The significance of routine surgical removal of the LHBT and sequelae on rotator cuff tear progression to failure and long-term shoulder function is unknown, and further research is required. Pre-registration OSF: https://osf.io/erh9m

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A rare case of an anatomical variation of bilateral long head of the biceps brachii tendons identified within the substance of bifid subscapularis tendons

Cited by 2 publications

References 22 publications

Bilateral dislocation of the long head of biceps tendon with intact rotator cuff tendon: A case report

Bilateral dislocation of the long head of biceps tendon with intact rotator cuff tendon: A case report

The long head of biceps at the shoulder: a scoping review

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