Radiologists often encounter postoperative knee radiographs lacking any adjunct clinical data which might hinder accurate image interpretation. Surgical techniques are constantly evolving with new devices being used which make it sometimes challenging for the radiologist to deduce the performed procedure and to look for associated complications. This article reviews commonly performed surgical procedures of the knee, highlights their expected postoperative radiographic appearance and describes the appearance of certain postoperative complications.
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Comparing prediction accuracy for 30-day readmission following primary total knee arthroplasty: the ACS-NSQIP risk calculator versus a novel artificial neural network model.
Knee Surg Relat Res
January 2025
Bioengineering Laboratory, Department of Orthopedic Surgery, Massachusetts General Hospital, Harvard Medical School, 55 Fruit Street, Boston, MA, 02114, USA.
Background: Unplanned readmission, a measure of surgical quality, occurs after 4.8% of primary total knee arthroplasties (TKA). Although the prediction of individualized readmission risk may inform appropriate preoperative interventions, current predictive models, such as the American College of Surgeons National Surgical Quality Improvement Program (ACS-NSQIP) surgical risk calculator (SRC), have limited utility.
View Article and Find Full Text PDFEffect of intramuscular vs intra-articular betamethasone injection on pain and inflammatory factors among patients with severe traumatic knee osteoarthritis.
Inflammopharmacology
January 2025
Department of Critical Care Medicine, Xi'an No. 9 Hospital, Xi'an, 710000, Shaanxi Province, China.
Objective: The aim of this study was to comprehensively investigate the clinical efficacy of intraoperative local joint injection and intramuscular injection of betamethasone in patients with severe traumatic knee osteoarthritis (KOA).
Methods: 80 patients with severe traumatic KOA undergoing total knee arthroplasty were retrospectively recruited and rolled into S1 group (intra-articular injection of ropivacaine + betamethasone and isotonic saline mixture at joint incision), S2 group (muscle local injection of betamethasone before incision closure, simultaneously intra-articular injection of ropivacaine + isotonic saline mixture at joint incision), and D group (intra-articular injection of ropivacaine + isotonic saline mixture at the joint incision). Visual analog scale (VAS) score, serum inflammatory factors (IFs), hospital for special surgery (HSS)score, Pittsburgh sleep quality index (PSQI), and adverse reaction events (AREs) were analyzed.
Patient-Reported Outcomes Following Total Knee Arthroplasty With Multiple Sclerosis Demonstrate Similar Functional Outcome Measures: A Propensity-Matched Analysis.
J Am Acad Orthop Surg
January 2025
From the Department of Orthopaedic Surgery, Massachusetts General Hospital, Harvard Medical School, Boston, MA (Lim, Sayeed, Bedair, and Melnic), and the Department of Orthopaedic Surgery, Newton-Wellesley Hospital, Newton, MA (Lim, Sayeed, Bedair, and Melnic).
Introduction: Multiple sclerosis (MS) may negatively influence the patient-reported outcomes measures (PROMs) when undergoing total knee arthroplasty (TKA). However, functional outcomes in this select population remains poorly characterized. This study aimed to compare clinical outcomes and rate of achieving Minimal Clinically Important Difference for Improvement (MCID-I) and Minimal Clinically Important Difference for Worsening (MCID-W) between MS and non-MS TKAs.
View Article and Find Full Text PDFNeeds Assessment for Home Modification and Risk Factors for Home Unintentional Injuries in Post-total Knee Arthroplasty Patients.
J Patient Saf
January 2025
Department of Preventive and Social Medicine, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand.
Objectives: Home assessment and modification are crucial to prevent fall and fall-related injuries, especially in vulnerable subjects. This study assessed the need for home modifications and investigated risk factors associated with home injuries in post-total knee arthroplasty (TKA) patients.
Methods: This study was conducted at the university hospital from July 2022 to July 2023.
Functional alignment is a feasible alignment strategy in robotic assisted total knee arthroplasty for knee osteoarthritis with extra-articular deformity - A case series.
SICOT J
January 2025
Department of Orthopaedic Surgery, Joint Replacement Unit, Kuala Lumpur Hospital, Ministry of Health Malaysia, Jalan Pahang, 50586 Kuala Lumpur, Malaysia.
Introduction: Extraarticular deformity (EAD) with knee arthritis is a complex condition involving tri-planar bone deformity with pathological malalignment and chronic soft tissue contracture or laxity in the knee joint. Intraarticular correction by TKA, which was previously performed with conventional manual jig by mechanical alignment technique, had its limits and difficulties especially extensive soft tissue release and risk of jeopardizing the collateral ligaments. Robotic technology allows for reproducible and precise execution of surgical plan and allows adjustment to various new personalised alignment philosophy including functional alignment (FA).
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