Abstract：
BACKGROUND:The pathogenesis of Achilles tendon rupture remains unclear, but vascular patterns may play an important role. Hypoxia is considered to be an important factor in the aetiology of tendon degeneration. METHODS:Statements from the literature regarding the vascularization of the Achilles tendon are controversial. We determined the vascular density of the Achilles tendon using a new method involving antibodies against laminin, a component of the basement membrane. RESULTS:The blood supply of the Achilles tendon mainly arose from the anterior paratenon of the tendon from which vessels run into the tendon. The proximal part of the tendon was supplied by a recurrent branch of the posterior tibial artery, while the distal part of the tendon was vascularized by the rete arteriosum calcaneare, supplied by the fibular and posterior tibial arteries. An avascular area could be seen close to the insertion of the tendon to the calcaneus. Three regions with different vascular density could be determined in the Achilles tendon. The distal part of the Achilles tendon had a vascular density of 56.6 vessels/cm(2). In the middle part of the tendon, the vascular density was much lower: 28.2 vessels/cm(2). The proximal part of the tendon had a vascular density of 73.4 vessels/cm(2). CONCLUSION:The reduced vascularization in the tendon waist may be a predisposing factor for degeneration and spontaneous rupture of the human Achilles tendon.
journal_name
Arch Orthop Trauma Surgjournal_title
Archives of orthopaedic and trauma surgeryauthors
Zantop T,Tillmann B,Petersen Wdoi
10.1007/s00402-003-0491-2subject
Has Abstractpub_date
2003-11-01 00:00:00pages
501-4issue
9eissn
0936-8051issn
1434-3916journal_volume
123pub_type
杂志文章abstract：:In vitro studies about the regenerative capacity of chondrocytes located in the growth plate of long bones revealed a potential for reparation. A measurable advance in the understanding of the physiologic processes in the bone growth plate and their modifications after defined lesions is based on the recognition of th...
journal_title：Archives of orthopaedic and trauma surgery
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journal_title：Archives of orthopaedic and trauma surgery
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journal_title：Archives of orthopaedic and trauma surgery
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