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Comparing supine CT scanogram and standing long-leg radiograph for postoperative alignment in total knee arthroplasty: a prospective study.
Arch Orthop Trauma Surg
December 2024
Sitaram Bhartia Institute of Science and Research, New Delhi, India.
Purpose: Achieving precise postoperative alignment is critical for the long-term success of total knee arthroplasty (TKA). Long-leg standing radiograph (LLR) at 6 weeks post-op is the gold standard for assessing alignment, but its reliance on weight-bearing and positioning makes it less practical in the early postoperative period. Supine computed tomography scanogram (CTS) offers a potential alternative.
View Article and Find Full Text PDFAnalysing the support mechanisms of the vaginal ring pessary on supine and upright MRI.
Sci Rep
December 2024
Multi-Modality Medical Imaging (M3I), TechMed Centre, University of Twente, Technohal 2384,Drienerolaan 5, Enschede, 7522NB, The Netherlands.
Vaginal pessaries have been used for millennia to alleviate symptoms of pelvic organ prolapse (POP). Despite their long-standing use, the success rate of pessary treatment is approximately 60%, and the underlying mechanisms of support are not well understood. This study aims to investigate three previously proposed hypotheses regarding the support mechanisms of pessaries, utilizing supine and upright magnetic resonance imaging (MRI): (1) support by bony structures, (2) support by levator ani muscles (LAM), and (3) the uterus keeping the pessary in place by acting as a lever.
View Article and Find Full Text PDFRight ventricular reserve in cardiopulmonary disease: a simultaneous hemodynamic and three-dimensional echocardiographic study.
J Heart Lung Transplant
December 2024
Department of Cardiology, Ospedale San Luca IRCCS Istituto Auxologico Italiano, Milano, Italy; Department of Management, Information and Production Engineering, University of Bergamo, Dalmine (BG), Italy.
Background: RV reserve has been linked to exercise capacity and prognosis in cardiopulmonary diseases. However, evidence in this setting is limited, due to the complex shape and load dependency of the RV. We sought to study right ventricular (RV) adaptation to exercise by simultaneous three-dimensional echocardiography (3DE) and right heart catheterization (RHC).
View Article and Find Full Text PDFCine-MRI of Deglutition: A Systematic Review.
Dysphagia
December 2024
Department of Otorhinolaryngology-Head and Neck Surgery, Rennes University Hospital, 2 Rue Henri Le Guilloux, Rennes CEDEX 9, 35033, France.
Videofluoroscopy, recognized as the gold standard for dysphagia exploration, has inherent limitations, including poor soft tissue discrimination, radiation exposure, and aspiration risk. In response to these challenges, cine-MRI of swallowing has evolved over the past three decades, yielding diverse methodologies and results across various studies.This systematic review, conducted in accordance with the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines, meticulously outlines cine-MRI protocols, applications, advantages, and limitations.
View Article and Find Full Text PDFSpinopelvic Motion Evaluation in Patients Undergoing Total Hip Arthroplasty and Patient-Specific Target for Acetabular Cup Placement.
J Pers Med
December 2024
Orthopaedic Department, School of Health Sciences, Faculty of Medicine, University of Thessaly, 41110 Larissa, Greece.
: Instability is a major reason for revision after total hip arthroplasty (THA), and acetabular cup placement in the "traditional" safe zone does not protect against dislocations. Spinopelvic mobility may play a role in impingement and dislocation after THA. Personalized acetabular cup placement that incorporates spinopelvic mobility is currently lacking in the literature.
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