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Outcomes After Revision Posterior Shoulder Capsulolabral Repair in Adolescent Athletes.
Orthop J Sports Med
August 2023
University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania, USA.
Background: Few studies have evaluated the outcomes of posterior arthroscopic capsulolabral repair in adolescents, especially with regard to outcomes after revision repair.
Hypothesis: Adolescent athletes who undergo revision arthroscopic posterior unidirectional capsulolabral repair will have similar outcomes and return to play when compared with adolescent athletes who underwent primary arthroscopic posterior unidirectional capsulolabral repair.
Study Design: Cohort study; Level of evidence, 3.
Rate- and Region-Dependent Mechanical Properties of Göttingen Minipig Brain Tissue in Simple Shear and Unconfined Compression.
J Biomech Eng
June 2023
Department of Mechanical Engineering, The University of Utah, 1495 E 100 S, Salt Lake City, UT 84112; Department of Biomedical Engineering, The University of Utah, 36 S. Wasatch Drive, Salt Lake City, UT 84112.
Traumatic brain injury (TBI), particularly from explosive blasts, is a major cause of casualties in modern military conflicts. Computational models are an important tool in understanding the underlying biomechanics of TBI but are highly dependent on the mechanical properties of soft tissue to produce accurate results. Reported material properties of brain tissue can vary by several orders of magnitude between studies, and no published set of material parameters exists for porcine brain tissue at strain rates relevant to blast.
View Article and Find Full Text PDFRate and time to return to shooting following arthroscopic and open shoulder surgery.
JSES Int
November 2022
Department of Orthopedic Surgery, University of Texas-Southwestern, Dallas, TX, USA.
Background: There is limited information on return to shooting following shoulder surgery. The purpose of this study is to determine the rate and timing for resuming shooting a rifle following shoulder surgery.
Methods: We performed a retrospective review of prospectively collected data.
Uniformly aligned flexible magnetic films from bacterial nanocelluloses for fast actuating optical materials.
Nat Commun
October 2022
School of Materials Science and Engineering, Georgia Institute of Technology, Atlanta, GA, 30332-0245, USA.
Naturally derived biopolymers have attracted great interest to construct photonic materials with multi-scale ordering, adaptive birefringence, chiral organization, actuation and robustness. Nevertheless, traditional processing commonly results in non-uniform organization across large-scale areas. Here, we report magnetically steerable uniform biophotonic organization of cellulose nanocrystals decorated with superparamagnetic nanoparticles with strong magnetic susceptibility, enabling transformation from helicoidal cholesteric (chiral nematic) to uniaxial nematic phase with near-perfect orientation order parameter of 0.
View Article and Find Full Text PDFEfficacy and Safety of Modified Pelvic Peritoneum Reconstruction with Unidirectional Barbed Suture in Laparoscopic Extralevator Abdominoperineal Excision.
J Laparoendosc Adv Surg Tech A
March 2023
Department of Pathology, the Second Hospital of Tianjin Medical University, Tianjin, China.
Extralevator abdominoperineal excision (ELAPE) procedure leaves a large pelvic floor defect, and can result in a high rate of perineal hernia. Pelvic peritoneum reconstruction (PPR) could reduce the rate of perineal hernia. In this article, the authors reconstructed pelvic peritoneum by retracing running sutures with unidirectional barbed thread after laparoscopic ELAPE.
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