The arterial supply of the tendon of the long head of the biceps brachii in the human: A combined anatomical and radiological study |
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| Affiliation: | 1. Medical University of Vienna, Department of Traumatology, Waehringer Guertel 18-20, A-1090 Vienna, Austria;2. AUVA Trauma Center Vienna Meidling, Kundratstraße 37, A-1120 Vienna, Austria;3. Medical University of Vienna, Center of Anatomy and Cell Biology, Department of Applied Anatomy, Waehringer Straße 13, A-1090 Vienna, Austria;1. Department of Orthopaedics and Traumatology, North District Hospital, 9 Po Kin Road, Sheung Shui, NT, Hong Kong SAR, China;2. Institute of Medical and Health Sciences Education and Department of Anatomy, The University of Hong Kong Li Ka Shing Faculty of Medicine, Hong Kong SAR, China;1. Private Practice in Implantology and Oral Rehabilitation in Vitoria, Spain;2. Eduardo Anitua Foundation, c/José María Cagigal 19, Vitoria 01007, Spain;1. Sancheti Hospital Pune, Maharashtra, India;2. SGRRIMS, Uttrakhand, India;3. Children’s Orthopedic Centre, Mumbai, India;1. Department of Radiology, Klinikum Augsburg, Augsburg, Germany;2. Department of Radiology, University of Regensburg, Regensburg, Germany;3. Berufsgenossenschaftliche Unfallklinik, Murnau, Germany;4. MR Center of Excellence, Department of Radiology, University of Vienna, Vienna, Austria;5. F. Hoffmann-La Roche Ltd., Basel, Switzerland;6. Department of Cell Biology, Ludwigs-Maximilians University, Munich, Germany;7. Center for Radiology and Nuclear Medicine, Murnau, Germany;8. Department of Radiology, University of Erlangen-Nuremberg, Erlangen, Germany;1. School of Medicine, Case Western Reserve University, Cleveland, OH, USA;2. Department of Neurosurgery, Massachusetts General Hospital, 55 Fruit Street, Boston, MA 02114, USA;3. Department of Pathology, Massachusetts General Hospital, Boston, MA, USA |
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| Abstract: | PurposeArthroscopic repair of superior labral anterior to posterior (SLAP) lesions is often associated with a prolonged period of pain during the rehabilitation process. This might possibly be due to hypoxia in the biceps tendon anchor caused by sutures. The purpose of the study was to investigate the arterial supply of the long head of the biceps brachii tendon (LHBT) that may be impaired by surgery in the region of the biceps tendon anchor.MethodsOn 20 human formalin-fixed bodies, the anterior circumflex humeral artery (ACHA) was located and followed into the intertubercular groove until it reached the LHBT. On 10 fresh-frozen anatomic specimens of the upper extremities, contrast medium was injected into the axillary artery, a 3D scan was performed, and multiplanar reconstructed (MPR) slices were generated. A set of maximum intensity projection (MIP) reconstructions from 10 computed tomography angiographies (CTA) of the upper extremities was used to confirm the findings of the 3D scan.ResultsAll anatomical dissections and radiological investigations revealed that the proximal portion of the LHBT was consistently supplied by an ascending branch of the ACHA. No artery was found to supply the biceps tendon anchor from the proximal aspect.ConclusionsAs the arterial supply of the LHBT is mainly provided by the ACHA, which enters the glenohumeral joint from the distal aspect, surgery at the bony origin of the LHBT may not interfere with this specific vessel. |
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| Keywords: | Biceps tendon SLAP lesion Arterial supply Anterior circumflex humeral artery 3D scan Computed tomography angiography (CTA) |
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