In recent years, the infrapatellar fat pad (IFP) has gained increasing research interest. The contribution of the IFP to the development and progression of knee osteoarthritis (OA) through extensive interactions with the synovium, articular cartilage, and subchondral bone is being considered. As part of the initiation process of OA, IFP secretes abundant pro-inflammatory mediators among many other factors. Today, the IFP is (partially) resected in most total knee arthroplasties (TKA) allowing better visualization during surgical procedures. Currently, there is no clear guideline providing evidence in favor of or against IFP resection. With increasing numbers of TKAs, there is a focus on preventing adverse postoperative outcomes. Therefore, anatomic features, role in the development of knee OA, and consequences of resecting versus preserving the IFP during TKA are reviewed in the following article.
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http://dx.doi.org/10.3390/biomedicines10051071 | DOI Listing |
Arch Phys Med Rehabil
December 2024
Graduate School of Health Sciences, Morinomiya University of Medical Sciences, Osaka, Japan; Department of Physiotherapy, Morinomiya University of Medical Sciences, Osaka, Japan; Inclusive Medical Sciences Research Institute, Morinomiya University of Medical Sciences, Osaka, Japan; AR-Ex Medical Research Center, Tokyo, Japan. Electronic address:
Objective: To investigate the relationship between impaired gliding in the anterior knee region and anterior knee pain (AKP) in patients after total knee arthroplasty (TKA).
Design: Cross-sectional study.
Setting: Orthopedic hospital PARTICIPANTS: Patients aged >60 years who underwent TKA between June and September 2023 without abnormal components or postoperative infections.
Adhesions in the deep infrapatellar region may occur as iatrogenic complications (e.g., after bone-patellar tendon-bone grafting), as part of arthrofibrosis or infrapatellar contracture syndrome, or owing to specific diseases such as Osgood-Schlatter disease.
View Article and Find Full Text PDFJ Orthop Surg Res
December 2024
Department of Orthopaedic Surgery, Hebei Medical University Third Hospital, Shijiazhuang, Hebei, 050051, China.
Background: Considering that the respective effects of obesity and hyperlipidemia on knee osteoarthritis (OA) have not been fully investigated, the purpose of this study was to determine the relationship of obesity or hyperlipidemia with the synovitis and structural abnormalities of knee OA, and the effect of obesity and hyperlipidemia on functional outcomes of total knee arthroplasty.
Methods: There were 99 OA patients without obesity and hyperlipidemia in Group 1, 100 OA patients only with obesity in Group 2, 98 OA patients only with hyperlipidemia in Group 3, and 97 OA patients with both obesity and hyperlipidemia in Group 4. Semi-quantitative synovial inflammatory markers were measured including effusion-synovitis, size and intensity of infrapatellar fat pad abnormality, and synovial proliferation score.
Orthop Rev (Pavia)
December 2024
Faculty of Medicine, Public Health and Nursing, Universitas Gadjah Mada, Yogyakarta, Indonesia.
Background: The complex nature of musculoskeletal diseases and the limitations of existing treatments have driven researchers to explore innovative solutions, particularly those involving stem cells and their derivatives. The utilization of the IPFP as a source of MSC-derived non-cellular products for the treatment of musculoskeletal diseases has gained recognition in recent years. This study aimed to identify the progress of IPFP-derived acellular biologics use in the treatment of orthopedic conditions such as osteoarthritis and ligament and/or tendon injuries.
View Article and Find Full Text PDFJ Orthop Case Rep
December 2024
Department of Orthopaedics, Indian Field Hospital Level II Plus, UNMISS, Juba, South Sudan.
Introduction: Infrapatellar fat pad (IFP) calcification is a rarely reported entity in the literature. Only a few cases have been reported so far and that too as case reports. The authors in the present study present two cases of IFP calcification.
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