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Background: Prosthetic alignment is a critical factor in the functionality and comfort of transtibial prostheses, which are still based on amputee's feedback prosthetist experience and clinical judgment. Proper alignment involves a series of procedures, including bench, static, and dynamic alignment, each contributing to the overall success of the prosthesis.
Objective: This cross-sectional study aims to explore transtibial prosthetic alignment practices among prosthetists in Malaysia, Jordan, and Saudi Arabia, focusing on the associations of demographic data, occupational status, and knowledge on common prosthetic alignment guidelines.Study Design:A cross-sectional study.
Methods: A survey-based approach among experienced prosthetists was conducted via Google Forms and distributed online through email and professional networks that had prosthetists' demographics, 3 main sections relevant to common guidelines regarding transtibial prosthetic alignment, and an open feedback question allowed respondents to give feedback on their current prosthetic alignment practices. Quantitative data analysis involved duplicate removal, categorizing responses into themes, and calculation of alignment scores, whereas associations of demographic data with engagement in prosthetic alignment were tested using χ2 tests.
Results: The findings revealed significant associations between higher education levels (P < 0.01) and monthly income (P < 0.01) in relation to average score of dynamic alignment practices. Despite the availability of advanced technology, 86.79% of prosthetists rely on traditional tools and qualitative methods.
Conclusions: The study highlights the need for standardized guidelines that incorporate personalized considerations to improve the quality and consistency of prosthetic alignment. These guidelines should address the diverse practices and preferences of prosthetists to enhance patient outcomes.
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http://dx.doi.org/10.1097/PXR.0000000000000438 | DOI Listing |
Proc Inst Mech Eng H
September 2025
Faculty of Medicine, Sirindhorn School of Prosthetics and Orthotics, Siriraj Hospital, Mahidol University, Bangkok, 10700 Thailand.
This study provides valuable guidance for simplifying fabrication procedures and enhancing the structural integrity and safety of carbon fiber (CF) laminate transfemoral (TF) prosthetic sockets. While the high specific strength of CF laminate sockets offers advantages over conventional plastics, essential production data-their orientation-dependent strength and optimal cure conditions-are lacking, often requiring complex, costly cure cycles. This study investigated (i) the influence of fiber orientation on TF prosthetic CF socket strength via finite element analysis (FEA) during standing, and (ii) optimal single-step Vacuum-Bag-Only (VBO) cure conditions for prepreg in a low-cost conventional oven.
View Article and Find Full Text PDFKnee Surg Sports Traumatol Arthrosc
September 2025
Department of Orthopaedic Surgery, Osaka Metropolitan University Graduate School of Medicine, Osaka, Japan.
Purpose: The kinematic alignment (KA) technique aims to restore native joint anatomy; however, the extent to which it restores posterior femoral condylar morphology after total knee arthroplasty (TKA) remains unclear. The posterior longitudinal overhang in the femoral condyle (PLOF) has been reported to affect clinical outcomes. This study aimed to compare the PLOF after medial pivot TKA performed using KA and mechanical alignment (MA) techniques.
View Article and Find Full Text PDFClin Oral Investig
September 2025
Department of Restorative Dentistry and Endodontology, Dental Clinic, Justus-Liebig-University of Giessen, Giessen, Germany.
Objectives: Interdental hygiene plays a crucial role in maintaining oral health, yet the effectiveness of dental floss remains a subject of debate. Thus, this study aimed to assess whether improved flossing technique relates to improved cleaning efficacy.
Materials And Methods: A total of 37 adults (23.
Can Prosthet Orthot J
July 2025
West Park Healthcare Centre, University Health Network, Toronto, Canada.
Background: Little information is available for women with lower limb absence (LLA) and their prosthetists regarding expectations for prosthetic treatment during and after pregnancy. A main concern is prosthesis use and what adjustments may be required to sustain mobility.
Objectives: This study examines the prosthetic treatment of women with LLA to understand what specific prosthetic interventions occurred during the perinatal period and to gather information from the prosthetists regarding key learnings to be shared with others.
Front Bioeng Biotechnol
August 2025
Department of Orthopedics, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China.
Background: Screw fixation is pivotal for prosthetic stability. For 3D-printed customized acetabular revision prostheses designed for complex, large-scale bone defects, precise adherence to preoperative screw trajectory planning is critical. However, there remains a lack of standardized three-dimensional (3D) evaluation protocols to quantify intraoperative screw angular alignment fidelity relative to preoperative digital plans, hindering universal validation criteria.
View Article and Find Full Text PDF