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Background: The acetabular labrum plays an important role in hip joint stability and protection of the articular cartilage of the hip. Despite this, few investigators have evaluated its microscopic vasculature and, to our knowledge, none has assessed its macroscopic blood supply. The purposes of this study were to identify the origin and course of the vascular supply to the acetabular labrum to determine if this blood supply is affected by a labral tear.
Methods: Colored silicone was injected into the vascular tree proximal to thirty-five hips in twenty-eight fresh cadavers. Twenty-four hours after injection, anatomic dissection was performed and the vessels supplying the labrum were followed from their origin to their final distribution. Additionally, labral segments of fifteen randomly selected hips were resected to assess the acetabular rim's vascular contribution, and fifteen hips were dislocated for complete intra-articular inspection of the labrum.
Results: Radial branches of a previously described periacetabular periosteal vascular ring were identified as the source of labral blood supply in all thirty-five hips. These branches coursed toward the hip joint on the periosteal surface, penetrated the joint capsule near its innominate insertion, and continued within a loose connective-tissue layer on the capsular surface of the labrum. No contribution from the hip capsule, synovial lining, or osseous acetabular rim could be demonstrated. An intact vascular supply was identified in all seven hips with a labral tear.
Conclusions: The acetabular labrum receives its blood supply from radial branches of a periacetabular periosteal vascular ring that traverses the osseolabral junction on its capsular side and continues toward the labrum's free edge. The hip capsule, the synovial lining, and the osseous acetabular rim do not appear to provide substantial contributions to the labral blood supply.
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http://dx.doi.org/10.2106/JBJS.I.01719 | DOI Listing |
Ann Ital Chir
March 2025
Department of Ultrasound, The First Affiliated Hospital of the Air Force Medical University, 710032 Xi'an, Shaanxi, China.
Aims: This study combined a new ultrasound venous filling degree (VFD) parameter with the Caprini score to assess the clinical value of the Caprini score in predicting deep venous thrombosis (DVT) of the lower extremities.
Methods: This retrospective study included 150 inpatients undergoing orthopedic lower extremity surgery at the First Affiliated Hospital of the Air Force Medical University between June 2023 and June 2024. They included 41 (27.
Diving Hyperb Med
March 2025
Department of Diving and Hyperbaric Medicine, Royal Hobart Hospital, Hobart, Tasmania.
Treatment of suspected upper lip area vascular occlusion caused by facial hyaluronic acid filler injections with hyperbaric oxygen is reported. The patient was initially treated with hyaluronidase injections in the cosmetic clinic then again in the emergency department. Persistent symptoms and signs of occlusion prompted hyperbaric oxygen treatment at 284 kPa (nine treatments over seven days).
View Article and Find Full Text PDFCongenital thrombotic thrombocytopenic purpura (cTTP) is an ultra-rare disorder characterized by thrombocytopenia, microangiopathic hemolytic anemia, and ischemic organ damage caused by pathogenic ADAMTS13 variants. ADAMTS13 containing product including fresh frozen plasma (FFP) and plasma-derived Factor VIII concentrates are commonly used to supply ADAMTS13; however, frequent hospital visits and allergic reactions are major drawbacks. A recombinant ADAMTS13 (rADAMTS13) was recently developed to address these issues.
View Article and Find Full Text PDFAim: To study the role of iodine, selenium and zinc in the pathogenesis of iodine deficiency and autoimmune thyroid diseases and scientifically substantiate the choice of security biomarkers and analytical methods for determination.
Materials And Methods: Serum iodine (I), selenium (Se), and zinc (Zn) concentrations were measured using inductively coupled plasma ionization tandem mass spectrometry (Agilent 8900 ICP-MS Triple Quad); by chemiluminescent immunoassay on an automatic analyzer Architect i2000 - TSH and AT-TPO in blood serum; by enzyme immunoassay - ZnT8A; biochemical method - ALP, SOD1 in 1150 people aged from 18 to 65 years (the average age of the subjects was 40±5 years). Ultrasound of the thyroid gland was performed in the supine position using a portable ultrasound machine LOGIQe with a multifrequency linear sensor 10-15 MHz; during the study, the volume of the thyroid gland, the presence of nodules and their characteristics according to the TIRADS classification, the structure of the thyroid gland and its echogenicity were assessed.
BMC Cardiovasc Disord
March 2025
Department of Critical Care Medicine, Guangxi Academy of Medical Sciences, The People's Hospital of Guangxi Zhuang Autonomous Region, Nanning, Guangxi, China.
Background And Objectives: Venous-Arterial Extracorporeal Membrane Oxygenation (VA-ECMO) is a pivotal means for rapid cardiopulmonary support, yet it may result in lower limb ischemia. This study aims to explore the high-risk factors for lower limb ischemia following VA-ECMO.
Methods: 117 patients who received VA-ECMO treatment at Guangxi Zhuang Autonomous Region People's Hospital from June 2022 to December 2023 were divided into lower limb ischemia group and non ischemia group for case-control analysis.
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