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Artificial intelligence applied in identifying left ventricular walls in myocardial perfusion scintigraphy images: Pilot study.
PLoS One
January 2025
Electrical, Mechanical & Computer Engineering School, Federal University of Goias, Goiania, Brazil.
This paper proposes the use of artificial intelligence techniques, specifically the nnU-Net convolutional neural network, to improve the identification of left ventricular walls in images of myocardial perfusion scintigraphy, with the objective of improving the diagnosis and treatment of coronary artery disease. The methodology included data collection in a clinical environment, followed by data preparation and analysis using the 3D Slicer Platform for manual segmentation, and subsequently, the application of artificial intelligence models for automated segmentation, focusing on the efficiency of identifying the walls of the left ventricular. A total of 83 clinical routine exams were collected, each exam containing 50 slices, which is 4,150 images.
View Article and Find Full Text PDFIn-Depth Examination of TPBG as a New Predictive Indicator for Gastric Cancer.
J Cell Mol Med
January 2025
Department of Gastroenterology, The Affiliated Hospital of Hangzhou Normal University, Hangzhou, Zhejiang Province, China.
Trophoblast glycoprotein (TPBG) plays a significant part in the growth of specific cancers, yet its connection to gastric cancer (GC) remains uncertain. This research seeks to analyse the fluctuation in TPBG levels in GC and evaluate how TPBG expression relates to the prognosis of GC patients. TPBG expression in GC and normal gastric tissues was investigated in The Cancer Genome Atlas (TCGA) and Genotype-Tissue Expression (GTEx) database, further extracting the immunohistochemistry images from HPA database and validating by Western blot.
View Article and Find Full Text PDFDynamic anterior stabilization of the shoulder using buttons.
JSES Int
November 2024
NAEON Institute, São Paulo, Brazil.
Background: Surgical procedures to treat anterior shoulder instability are essentially divided into those for significant bone loss and those without relevant bone loss. However, there is a gray area between these procedures that would not require bone grafting but would benefit from improved stabilization mechanisms. This study evaluates a technique based on the triple soft tissue block, the dynamic anterior stabilization of the shoulder, using an adjustable button.
View Article and Find Full Text PDFThe clinical course and outcomes following arthroscopic frozen shoulder 360° release.
JSES Int
November 2024
Queensland Unit for Advanced Shoulder Research (QUASR), Queensland University of Technology, Brisbane, Australia.
Background: Frozen shoulder (FS) is a debilitating inflammatory condition affecting the shoulder capsule that causes significant pain and stiffness. Its etiology, pathophysiology, and treatment remain poorly understood. Although regarded as self-limiting, FS can have profound implications on the activities of daily living and usually takes 1-4 years to resolve on its own accord.
View Article and Find Full Text PDFAssociation of Antihypertensive and Statin Medication Usage With Postoperative Stiffness After Arthroscopic Rotator Cuff Repair: A Retrospective Cohort Study.
Orthop J Sports Med
January 2025
Rothman Orthopaedic Institute, Philadelphia, Pennsylvania, USA.
Background: Angiotensin-converting enzyme inhibitors (ACEi), angiotensin receptor blockers (ARB), and statins may be able to modulate postoperative stiffness, a major cause of morbidity after arthroscopic rotator cuff repair (aRCR).
Purpose: To determine whether there is an association between ACEi, ARB, or statin usage and stiffness after aRCR.
Study Design: Cohort study; Level of evidence, 3.
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