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Hip-lumbar mobility loss affects quality of life in patients undergoing both lumbar fusion and total hip arthroplasty.
Bone Joint J
January 2025
Department of Orthopaedics, Kyoto City Hospital, Kyoto, Japan.
Aims: Overall sagittal flexion is restricted in patients who have undergone both lumbar fusion and total hip arthroplasty (THA). However, it is not evident to what extent this movement is restricted in these patients and how this influences quality of life (QoL). The purpose of this study was to determine the extent to which hip-lumbar mobility is decreased in these patients, and how this affects their QoL score.
View Article and Find Full Text PDFCementless, Cruciate-Retaining Primary Total Knee Arthroplasty Using Conventional Instrumentation: Technical Pearls and Intraoperative Considerations.
JBJS Essent Surg Tech
September 2024
Department of Orthopaedic Surgery, The Johns Hopkins Hospital, Baltimore, Maryland.
Article Synopsis
- Total knee arthroplasty (TKA) is a common surgical procedure for patients with severe knee osteoarthritis, especially when non-surgical treatments fail, leading to significant improvements in pain, function, and quality of life.
- The procedure can use various components (cemented, cementless, or a hybrid) and is generally performed with a focus on mechanical alignment, although newer alignment strategies like gap and kinematic balancing are showing promising results in early studies.
- The preferred surgical technique for cementless TKA involves a specific patient positioning and incision approach, starting with the application of a thigh tourniquet and a parapatellar incision, ensuring proper alignment and access during the surgery.*
Objective: Finger and fingertip loss is the most common form of upper-limb amputation. With a focus on amputations involving the loss of distal and/or partial middle finger segments, this paper outlines the design and development of a novel soft body-powered hydraulically-driven actuation system for a prosthetic finger, while offering an in-depth examination of its subsystems.
Method: The proposed device utilises a soft wearable hydraulic mechanism to transfer pressure from the proximal interphalangeal (PIP) joint of the human finger to the distal interphalangeal (DIP) joint of the prosthetic finger, enabling movement of the soft prosthetic DIP joint.
Introduction The position of finger immobilization after flexor tendon rupture repair is changed to the extended position to prevent flexion contracture of the interphalangeal (IP) joint. However, in Strickland's assessment, We believe that a reduction in TAF (total active flexion) affects the outcome and that extension fixation is not necessarily the primary focus. For example, there are management methods that swap the fixed position between day and night.
View Article and Find Full Text PDFAxial compression performance of partially encased concrete columns with web opening.
Sci Rep
May 2024
College of Civil and Architecture Engineering, Wenzhou University, Wenzhou, China.
The objective of this study is to comprehensively assess the behavior of partially encased concrete (PEC) columns with web openings under axial compression. The primary objectives of this study are to analyze damage patterns and investigate the influence of key parameters, such as concrete strength, opening rate, and opening shape, on the ductility index and ultimate load-carrying capacity. The study employs experimental testing to examine the response of the PEC columns, with a particular focus on the mechanisms of concrete fracture and flange flexing.
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