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The Risk of Postoperative Periprosthetic Femoral Fracture After Total Hip Arthroplasty Depends More on Stem Design Than Cement Use: An Analysis of National Health Data from England.
J Bone Joint Surg Am
January 2025
Leeds Institute of Health Sciences, School of Medicine, University of Leeds, Leeds, West Yorkshire, England.
Background: In this study, we estimated the risk of surgically treated postoperative periprosthetic femoral fractures (POPFFs) associated with femoral implants frequently used for total hip arthroplasty (THA).
Methods: In this cohort study of patients who underwent primary THA in England between January 1, 2004, and December 31, 2020, POPFFs were identified from prospectively collected revision records and national hospital records. POPFF incidence rates, adjusting for potential confounders, were estimated for common stems.
Surgical Management of Meniscus Tears: Update on Indications and Techniques for Repair.
J Am Acad Orthop Surg
January 2025
From the Department of Orthopedic Surgery, Washington University School of Medicine, St. Louis, MO.
Because of the crucial role of the menisci in maintaining cartilage and joint health, meniscal tears affect the long-term health of the knee. Although partial meniscectomy has a role in the treatment of complex degenerative tears and tears with low healing capacity, advances in the concepts and understanding of meniscal repair, along with improvements in repair techniques and instrumentation, have expanded the indications for meniscal repair. With appropriate patient selection and preoperative planning, repair of meniscal tears can lower the rate of degenerative changes when compared with meniscectomy.
View Article and Find Full Text PDFA deep learning framework for screening of anticancer drugs at the single-cell level.
Natl Sci Rev
February 2025
Bone Marrow Transplantation Center of the First Affiliated Hospital, and Center for Stem Cell and Regenerative Medicine, Zhejiang University School of Medicine, Hangzhou 310000, China.
Tumor heterogeneity plays a pivotal role in tumor progression and resistance to clinical treatment. Single-cell RNA sequencing (scRNA-seq) enables us to explore heterogeneity within a cell population and identify rare cell types, thereby improving our design of targeted therapeutic strategies. Here, we use a pan-cancer and pan-tissue single-cell transcriptional landscape to reveal heterogeneous expression patterns within malignant cells, precancerous cells, as well as cancer-associated stromal and endothelial cells.
View Article and Find Full Text PDFManagement of chylous ascites after liver cirrhosis: A case report.
World J Hepatol
January 2025
Department of Gastroenterology, Huizhou Central People's Hospital, Huizhou 516000, Guangdong Province, China.
Background: Chylous ascites is an uncommon condition, occurring in less than 1% of ascites cases. It results from traumatic or obstructive disruption of the lymphatic system, causing the leakage of thoracic or intestinal lymph into the abdominal cavity. This leads to the accumulation of a milky, triglyceride-rich fluid.
View Article and Find Full Text PDFLarge and Stable Nanopores Formed by Complement Component 9 for Characterizing Single Folded Proteins.
ACS Nano
January 2025
Adolphe Merkle Institute, University of Fribourg, Fribourg 1700, Switzerland.
Biological nanopores offer a promising approach for single-molecule analysis of nucleic acids, peptides, and proteins. The work presented here introduces a biological nanopore formed by the self-assembly of complement component 9 (C9). This exceptionally large and cylindrical protein pore is composed of 20 ± 4 monomers of C9 resulting in a diameter of 10 ± 4 nm and an effective pore length of 13 nm.
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