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Hybrid Arch Aneurysm Repair With Ascending Aortic Wrap and TEVAR.
J Endovasc Ther
January 2025
Aortic Center, Hôpital Marie-Lannelongue, Groupe Hospitalier Paris Saint Joseph, Université Paris-Saclay, INSERM UMR_S 999, Le Plessis Robinson, France.
Introduction: Management of patients with large aortic arch aneurysms who are considered high risk for frozen elephant trunk technique have been challenging, especially when they have a dilated ascending aorta (AA) that precludes total endovascular branched repair (arch BEVAR). A viable option in our armamentarium is wrapping of the AA (AW), and zone 0 Ishimaru TEVAR.
Methods: Retrospective analysis of our aortic database from 2013 to 2024 to select high-risk patients with aortic arch aneurysm that had an AW and TEVAR.
Circumferential Labral Reconstruction With Knotless All-Suture Anchors Restores Hip Distractive Stability: A Cadaveric Biomechanical Analysis.
Am J Sports Med
December 2024
American Hip Institute Research Foundation, Chicago, Illinois, USA.
Background: The essential component of managing femoroacetabular impingement involves restoration of the original labral function. Circumferential labral reconstruction (CLR) has shown positive results. However, biomechanical studies of CLR are limited and have not established the efficacy of the modern knotless all-suture anchor (ASA) pull-through technique.
View Article and Find Full Text PDFHip Circumferential Labral Reconstruction Provides Similar Distractive Stability to Labral Repair After Cam Over-Resection in a Biomechanical Model.
Arthroscopy
August 2024
Department of Surgery, University of Western Ontario, London, Canada; Department of Medical Biophysics, University of Western Ontario, London, Canada; Department of Medical Imaging, University of Western Ontario, London, Canada; Robarts Research Institute, London, Canada. Electronic address:
Purpose: To evaluate the change in hip distractive stability after a cam over-resection, labral tear, repair, labrectomy, or circumferential 6- or 10-mm labral reconstruction in a biomechanical model.
Methods: Ten fresh-frozen matched-pair human cadaveric hips were analyzed using a materials testing system to measure the force and distance required to disrupt the suction seal of the hip (1) with an intact capsule and labrum; (2) after a capsulectomy and labral repair; (3) after a capsulectomy, 5-mm cam over-resection and labral repair; (4) after a capsulectomy, 5-mm cam over-resection and labral tear; (5) after a capsulectomy, 5-mm cam over-resection and labrectomy; and (6) after a capsulectomy, 5-mm cam over-resection and a 6- or 10-mm circumferential labral reconstruction with iliotibial band (5 hips each). Each specimen was retested at 0° flexion, 45° flexion, and 45° flexion and at 15° internal rotation and analyzed using nonparametric statistical methods.
Indirect Head of the Rectus Femoris Tendon as a Graft for Segmental Hip Labral Reconstruction: An Anatomic, Radiographical, and Biomechanical Study in Comparison With Iliotibial Labral Reconstruction.
Am J Sports Med
June 2024
Department of Orthopaedic Surgery, Rush University Medical Center, Chicago, Illinois, USA.
Article Synopsis
- The study explores the anatomic and biomechanical aspects of the indirect head of the rectus femoris (IHRF) tendon as a graft for labral reconstruction, focusing on its anatomical relationships and relevance in surgery.
- Researchers performed cadaveric tests to assess IHRF's effectiveness in restoring joint function, comparing its performance against the iliotibial band (ITB) while also evaluating the potential complications from harvesting the graft.
- Results highlighted specific anatomical measurements related to the IHRF's attachment points and demonstrated that IHRF may be a viable option for labral reconstruction, with detailed radiographic and contact pressure data supporting its use.
Hip Labral and Capsular Repair Are Unable to Restore Distractive Stability in a Biomechanical Model.
Arthroscopy
May 2024
Department of Surgery, Western University, London, Ontario, Canada; Department of Medical Biophysics, Western University, London, Ontario, Canada; Department of Medical Imaging, Western University, London, Ontario, Canada; Robarts Research Institute, Western University, London, Ontario, Canada. Electronic address:
Purpose: To evaluate the change in hip distractive stability after a capsulotomy, labral tear, and simultaneous repair of both the capsule and the labrum in a biomechanical model.
Methods: Ten fresh-frozen human cadaveric hips were analyzed using a materials testing system to measure the distractive force and distance required to disrupt the hip suction seal under the following conditions: (1) native intact capsule and labrum, (2) 2- or 4-cm interportal capsulotomy (IPC), (3) labral tear, (4) T extension, (5) labral repair, (6) T extension repair, and (7) IPC repair. Each specimen was retested at 0° of flexion, 45° of flexion, and 45° of flexion with 15° of internal rotation.
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