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Binvignat M, Sellam J, Berenbaum F, Felson DT. The role of obesity and adipose tissue dysfunction in osteoarthritis pain. Nat Rev Rheumatol 2024; 20:565-584. [PMID: 39112603 DOI: 10.1038/s41584-024-01143-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/05/2024] [Indexed: 08/29/2024]
Abstract
Obesity has a pivotal and multifaceted role in pain associated with osteoarthritis (OA), extending beyond the mechanistic influence of BMI. It exerts its effects both directly and indirectly through various modifiable risk factors associated with OA-related pain. Adipose tissue dysfunction is highly involved in OA-related pain through local and systemic inflammation, immune dysfunction, and the production of pro-inflammatory cytokines and adipokines. Adipose tissue dysfunction is intricately connected with metabolic syndrome, which independently exerts specific effects on OA-related pain, distinct from its association with BMI. The interplay among obesity, adipose tissue dysfunction and metabolic syndrome influences OA-related pain through diverse pain mechanisms, including nociceptive pain, peripheral sensitization and central sensitization. These complex interactions contribute to the heightened pain experience observed in individuals with OA and obesity. In addition, pain management strategies are less efficient in individuals with obesity. Importantly, therapeutic interventions targeting obesity and metabolic syndrome hold promise in managing OA-related pain. A deeper understanding of the intricate relationship between obesity, metabolic syndrome and OA-related pain is crucial and could have important implications for improving pain management and developing innovative therapeutic options in OA.
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Affiliation(s)
- Marie Binvignat
- Department of Rheumatology, Sorbonne University, AP-HP Saint-Antoine hospital, Paris, France
- Sorbonne University, INSERM UMRS_938, Centre de Recherche Saint-Antoine (CRSA), Paris Center for Microbiome Medicine (PaCeMM) FHU, Paris, France
- Sorbonne University, INSERM UMRS_959, I3 Lab Immunology Immunopathology Immunotherapy, Paris, France
| | - Jérémie Sellam
- Department of Rheumatology, Sorbonne University, AP-HP Saint-Antoine hospital, Paris, France.
- Sorbonne University, INSERM UMRS_938, Centre de Recherche Saint-Antoine (CRSA), Paris Center for Microbiome Medicine (PaCeMM) FHU, Paris, France.
| | - Francis Berenbaum
- Department of Rheumatology, Sorbonne University, AP-HP Saint-Antoine hospital, Paris, France
- Sorbonne University, INSERM UMRS_938, Centre de Recherche Saint-Antoine (CRSA), Paris Center for Microbiome Medicine (PaCeMM) FHU, Paris, France
| | - David T Felson
- Boston University School of Medicine, Department of Medicine, Section of Rheumatology, Boston, MA, USA
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Bo K, Xie X, Liu X, Ou J, Zhang Y, Wang X, Yang S, Zhang W, Zhang L, Chang J. Predicting incident radiographic knee osteoarthritis through quantitative meniscal lesion parameters: data from the osteoarthritis initiative. BMC Musculoskelet Disord 2024; 25:626. [PMID: 39107768 PMCID: PMC11304704 DOI: 10.1186/s12891-024-07706-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/23/2024] [Accepted: 07/18/2024] [Indexed: 08/10/2024] Open
Abstract
BACKGROUND This study investigates the potential of novel meniscal parameters as predictive factors for incident radiographic knee osteoarthritis (ROA) over a span of four years, as part of the Osteoarthritis Initiative (OAI) study. OBJECTIVES Quantitative measurements of meniscal parameters alteration could serve as predictors of OA's occurrence and progression. METHODS AND MATERIALS A nested matched case-control study design was used to select participants from OAI study. Case knees (n = 178) were defined as those with incident ROA (Kellgren Lawrence Grade (KLG) 0 or 1 at baseline (BL), evolving into KLG 2 or above by year 4). Control knees were matched one-to-one by sex, age and radiographic status with case knees. The mean distance from medial-to-lateral meniscal lesions [Mean(MLD)], mean value of tibial plateau width [Mean(TPW)] and the mean of the relative percentage of the medial-to-lateral meniscal lesions distance [Mean(RMLD)] were evaluated through coronal T2-weighted turbo spin echo (TSE) MRI at P-0 (visit when incident ROA was found on radiograph), P-1(one year prior to P-0) and baseline, respectively. Using the imaging data of one patient, the mechanism was investigated by finite element analysis. RESULTS Participants were on average 60.22 years old, predominantly female (66.7%) and overweight (mean BMI: 28.15). Mean(MLD) and Mean(RMLD) were significantly greater for incident knees compared to no incident knees at baseline, P-1 and P-0. [Mean(MLD), Mean(RMLD); (42.56-49.73) mean ± (7.70-9.52) mm SD vs. (38.14-40.78) mean ± (5.51-7.05)mm SD; (58.61-68.95) mean ± (8.52-11.40) mm SD vs. (52.52-56.35) mean ± (6.53-7.85)mm SD, respectively]. Baseline Mean(MLD) and Mean(RMLD), [Adjusted OR, 95%CI: 1.11(1.07 to 1.16) and 1.13(1.09 to 1.17), respectively], were associated with incident ROA during 4 years, However, Mean(TPW) [Adjusted OR, 95%CI: 0.98(0.94 to 1.02)] was not associated with incident ROA during 4 years. While Mean(TPW) at P-1 and P-0 was not associated with the risk of incident ROA, Mean(MLD) and Mean(RMLD) at P-1 and P-0 were significantly positively associated with the risk of incident ROA. CONCLUSIONS The meniscal parameters alteration could be an important imaging biomarker to predict the occurrence of ROA.
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Affiliation(s)
- Kaida Bo
- The First Affiliated Hospital of Anhui Medical University, Anhui Public Health Clinical Center, Hefei, 230000, China
| | - Xiangpeng Xie
- The First Affiliated Hospital of Anhui Medical University, Anhui Public Health Clinical Center, Hefei, 230000, China
| | - Xin Liu
- School of Basic Medical Sciences, Anhui Medical University, Hefei, 230000, China
| | - Jianliang Ou
- The First Affiliated Hospital of Anhui Medical University, Anhui Public Health Clinical Center, Hefei, 230000, China
| | - Yuanyi Zhang
- The First Affiliated Hospital of Anhui Medical University, Anhui Public Health Clinical Center, Hefei, 230000, China
| | - Xu Wang
- The First Affiliated Hospital of Anhui Medical University, Anhui Public Health Clinical Center, Hefei, 230000, China
| | - Shuo Yang
- The First Affiliated Hospital of Anhui Medical University, Anhui Public Health Clinical Center, Hefei, 230000, China
| | - Wei Zhang
- School of Basic Medical Sciences, Anhui Medical University, Hefei, 230000, China
| | - Lelei Zhang
- The First Affiliated Hospital of Anhui Medical University, Anhui Public Health Clinical Center, Hefei, 230000, China
| | - Jun Chang
- The First Affiliated Hospital of Anhui Medical University, Anhui Public Health Clinical Center, Hefei, 230000, China.
- School of Basic Medical Sciences, Anhui Medical University, Hefei, 230000, China.
- Inflammation and Immune Mediated Diseases Laboratory of Anhui Province, School of Life Sciences, Anhui Medical University, Hefei, 230000, China.
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Kanak M, Pawłuś N, Mostowy M, Piwnik M, Domżalski M, Lesman J. Sonographic Characterization of the Pericruciate Fat Pad with the Use of Compression Elastography-A Cross-Sectional Study among Healthy and Post-Injured Patients. J Clin Med 2024; 13:2578. [PMID: 38731107 PMCID: PMC11084231 DOI: 10.3390/jcm13092578] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2024] [Revised: 03/03/2024] [Accepted: 04/25/2024] [Indexed: 05/13/2024] Open
Abstract
Background: The pericruciate fat pad (PCFP) in the knee joint is still insufficiently studied despite its potential role in knee pathologies. This is the first reported study which aimed to clarify the characteristics of the PCFP in healthy individuals and contrast them with cases of post-traumatic injuries. Methods: Conducted as a retrospective cross-sectional study (n = 110 knees each) following STROBE guidelines, it employed grayscale ultrasound with echogenicity measurement, compression elastography with elasticity measurement, and Color Doppler for blood flow assessment. Results: PCFP showed a homogenic and hyperechoic echostructure. The echogenicity of the PCFP was higher than that of the posterior cruciate ligament (PCL) (p < 0.001, z-score = 8.97) and of the medial head of gastrocnemius (MHG) (p = 0.007, z-score = 2.72) in healthy knees, but lower than subcutaneous fat (SCF) (p < 0.001, z-score = -6.52). Post-injury/surgery, PCFP echogenicity surpassed other structures (p < 0.001; z-score for PCL 12.2; for MHG 11.65 and for SCF 12.36) and notably exceeded the control group (p < 0.001, z-score = 8.78). PCFP elasticity was lower than MHG and SCF in both groups, with significantly reduced elasticity in post-traumatic knees (ratio SCF/PCFP 15.52 ± 17.87 in case group vs. 2.26 ± 2.4 in control group; p < 0.001; z-score = 9.65). Blood flow was detected in 71% of healthy PCFPs with three main patterns. Conclusions: The main findings, indicating increased echogenicity and reduced elasticity of PCFP post-trauma, potentially related to fat pad fibrosis, suggest potential applications of echogenicity and elasticity measurements in detecting and monitoring diverse knee pathologies. The description of vascularity variations supplying the PCFP adds additional value to the study by emphasizing the clinically important role of PCFP as a bridge for the middle genicular artery on its way to the inside of the knee joint.
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Affiliation(s)
- Michał Kanak
- Department of Orthopaedics and Traumatology, Veterans’ Memorial Teaching Hospital in Lodz, Medical University of Lodz, 90-419 Lodz, Poland
| | - Natalia Pawłuś
- Department of Orthopaedics and Traumatology, Veterans’ Memorial Teaching Hospital in Lodz, Medical University of Lodz, 90-419 Lodz, Poland
| | - Marcin Mostowy
- Department of Orthopaedics and Traumatology, Veterans’ Memorial Teaching Hospital in Lodz, Medical University of Lodz, 90-419 Lodz, Poland
| | | | - Marcin Domżalski
- Department of Orthopaedics and Traumatology, Veterans’ Memorial Teaching Hospital in Lodz, Medical University of Lodz, 90-419 Lodz, Poland
| | - Jędrzej Lesman
- Department of Orthopaedics and Traumatology, Veterans’ Memorial Teaching Hospital in Lodz, Medical University of Lodz, 90-419 Lodz, Poland
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Fagan M, Fajardo R, Grozier C, Jildeh TR, Lissy M, Harkey MS. Ultrasound assessment of the infrapatellar fat pad can detect Hoffa-synovitis in patients following anterior cruciate ligament reconstruction: A pilot study. OSTEOARTHRITIS IMAGING 2024; 4:100174. [PMID: 38549837 PMCID: PMC10976330 DOI: 10.1016/j.ostima.2024.100174] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Indexed: 04/01/2024]
Abstract
Introduction Osteoarthritis (OA) commonly occurs following anterior cruciate ligament reconstruction (ACLR), affecting over 50 % of patients within 10-15 years post-ACLR. The Hoffa-synovitis of the infrapatellar fat pad (IPFP) has been implicated as a major contributor to OA pathogenesis. While MRI is typically used to evaluate the IPFP, it is cost-prohibitive for routine screening. This study aimed to validate ultrasound as an alternative for detecting IPFP Hoffa-synovitis in participants post-ACLR. Methods In this cross-sectional study, 15 participants (18-35 years, 1-5 years post-ACLR) underwent two imaging sessions separated by one week. First, a standardized bilateral anterior knee ultrasound assessment was used to examine IPFP echo-intensity. Second, MRI scans of both knees were graded by a board-certified musculoskeletal radiologist for Hoffa-synovitis according to the Anterior Cruciate Ligament Osteoarthritis Score grading system. IPFP echo-intensity were quantified on each ultrasound image, and a limb symmetry index (LSI) was calculated to assess between-limb differences. We used an independent t-test and Cohen's d effect sizes to compare IPFP echo-intensity LSI between people with and without MRI-confirmed Hoffa-synovitis. Results Four of the 15 participants (27 %) exhibited MRI-confirmed Hoffa-synovitis. Significantly higher IPFP echo-intensity LSI values were found in participants with Hoffa-synovitis (32.1 ± 12.1 %) compared to those without (10.5 ± 10.4 %), confirming the ultrasound's ability to distinguish between the two groups (t = -3.44; p = 0.004; d = 2.01). Discussion Ultrasound detects bilateral IPFP signal intensity alterations in participants post-ACLR with MRI-confirmed Hoffa-synovitis. This work should be seen as a proof-of-concept, and further validation in a larger, more diverse sample is essential for verifying these results.
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Affiliation(s)
- M Fagan
- College of Health Professions, Grand Valley State University, USA
| | | | - C Grozier
- Department of Kinesiology, Michigan State University, USA
| | - T R Jildeh
- Michigan State University Sports Medicine, USA
| | - M Lissy
- Michigan State University Sports Medicine, USA
| | - M S Harkey
- Department of Kinesiology, Michigan State University, USA
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Li S, Jiang X, Wang J, Chen Y, Shi R, Ding F, Chu L, Sun T. Clinical Efficacy of 2-Needle Joint Lavage for Osteoarthritis-Related Knee Pain and Predictors of Response Based on Knee MRI Osteoarthritis Knee Score: A Medical Records Review Study. J Clin Rheumatol 2023; 29:396-401. [PMID: 37779229 DOI: 10.1097/rhu.0000000000002029] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/03/2023]
Abstract
BACKGROUND Knee osteoarthritis (OA) is notoriously difficult to treat. Pain is the key symptom for patients to seek medical attention. This study aimed to evaluate the therapeutic efficacy of joint lavage (JL) for OA-related knee pain and to explore the knee pathological changes detected by magnetic resonance imaging that may affect the prognosis of patients who received JL. METHODS Eighty-two hospitalized patients who were diagnosed with knee OA and received JL in our department were finally enrolled in this study. The patients' clinical data including Numeric Rating Scale (NRS), Western Ontario and McMaster Osteoarthritis Index pain subscale, analgesic medication usage, adverse events, and magnetic resonance imaging data of the affected knee joint scored by the MRI Osteoarthritis Knee Score were recorded and analyzed. RESULTS The NRS scores significantly decreased after JL and remained steady until 6 months ( p < 0.001). The Western Ontario and McMaster Osteoarthritis Index pain scores and the percentage of patients who needed analgesic medication significantly decreased at 6 months compared with baseline ( p < 0.001). At 6 months after JL, 51 of the 82 patients experienced ≥50% improvement in their NRS scores (effective). Multivariate binary logistic regression analysis revealed that duration of pain (odds ratio [OR], 1.022; 95% confidence interval [CI], 1.003-1.042; p = 0.024), bone marrow lesion score (OR, 1.221; 95% CI, 1.028-1.450; p = 0.023), and cartilage loss score (OR, 1.272; 95% CI, 1.021-1.585; p = 0.032) significantly influenced the therapeutic efficacy of JL. CONCLUSIONS JL treatment can significantly alleviate the OA-related knee pain in at least 6 months. JL tends to provide limited benefit for patients with long duration of pain, serious bone marrow lesions, and severe cartilage loss.
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Affiliation(s)
- Shiyao Li
- From the Department of Pain Management, Shandong Provincial Hospital, Shandong University
| | - Xiaohan Jiang
- From the Department of Pain Management, Shandong Provincial Hospital, Shandong University
| | - Junnan Wang
- Department of Pain Management, Shandong Provincial Hospital Affiliated to Shandong First Medical University
| | - Yang Chen
- Department of Pain Management, Shandong Provincial Hospital Affiliated to Shandong First Medical University
| | - Rongchao Shi
- Department of Radiology, Shandong Provincial Hospital, Shandong University, Jinan, China
| | - Feier Ding
- Department of Radiology, Shandong Provincial Hospital, Shandong University, Jinan, China
| | - Lingyan Chu
- Department of Pain Management, Shandong Provincial Hospital Affiliated to Shandong First Medical University
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Kim JN, Park HJ, Park JH, Park SJ, Kim E, Lee YT, Shin H. Abnormalities of the pericruciate fat pad: Correlations with the location and severity of chondral lesions of the knee. Eur J Radiol 2023; 167:111028. [PMID: 37595398 DOI: 10.1016/j.ejrad.2023.111028] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2022] [Revised: 07/10/2023] [Accepted: 08/05/2023] [Indexed: 08/20/2023]
Abstract
PURPOSE The aim of this study was to evaluate the relationship between the grade of signal change of the pericruciate fat pad (PCFP) and the location and severity of cartilage alterations in the knee on magnetic resonance imaging (MRI). MATERIALS AND METHODS This retrospective study included 234 patients (M:F = 96:138, mean: 51 years) who underwent knee MRI. Two experienced musculoskeletal radiologists assessed any PCFP alterations (as grades 0-3) and chondral lesions using the modified Outerbridge grade (as grades 0-4). Bone marrow lesions (BMLs), meniscal status, anterior cruciate ligament alterations, and effusion-synovitis were also evaluated on the MRI. The relationships between PCFP alteration and MR findings (including the grade of chondral lesion) were evaluated. RESULTS Signal changes in the PCFP were detected in 150 cases by Reader 1 (grade 0, 67 cases; grade 1, 53 cases; grade 2, 21 cases; grade 3, 9 cases) and in 154 cases by Reader 2 (grade 0, 59 cases; grade 1, 61 cases; grade 2, 24 cases; grade 3, 10 cases). The grade of PCFP signal change was statistically significantly correlated with the grade of the chondral lesion of the medial femoral condyle (MFC) (p = 0.029 and p = 0.003, respectively) and the medial tibial plateau (MTP) (p = 0.045, p = 0.002, Readers 1 and 2, respectively). The grade of PCFP signal change was significantly correlated with the grade of the BMLs of the MFC, MTP, and lateral femoral condyle (p < 0.05) for both readers. PCFP alteration was related to effusion-synovitis and tears of the medial meniscus. CONCLUSIONS The grade of PCFP signal change was correlated with the severity of the cartilage alteration in the medial compartment of the knee joint and was also correlated with BMLs in the medial compartment, medial meniscal tears, and synovitis. Therefore, signal change in the PFCP seen on MRI can be an additional clue of the presence of osteoarthritis in the knee, particularly in the medial compartment.
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Affiliation(s)
- Ji Na Kim
- Department of Radiology, Kangbuk Samsung Hospital, Sungkyunkwan University School of Medicine, Seoul, Republic of Korea
| | - Hee Jin Park
- Department of Radiology, Kangbuk Samsung Hospital, Sungkyunkwan University School of Medicine, Seoul, Republic of Korea.
| | - Jai Hyung Park
- Department of Orthopaedic Surgery, Kangbuk Samsung Hospital, Sungkyunkwan University School of Medicine, Seoul, Republic of Korea
| | - Se Jin Park
- Department of Orthopaedic Surgery, Kangbuk Samsung Hospital, Sungkyunkwan University School of Medicine, Seoul, Republic of Korea
| | - Eugene Kim
- Department of Orthopaedic Surgery, Kangbuk Samsung Hospital, Sungkyunkwan University School of Medicine, Seoul, Republic of Korea
| | - Yong Taek Lee
- Department of Physical & Rehabilitation Medicine, Kangbuk Samsung Hospital, Sungkyunkwan University School of Medicine, Seoul, Republic of Korea
| | - Hyunchul Shin
- Department of Neurosurgery, Kangbuk Samsung Hospital, Sungkyunkwan University School of Medicine, Seoul, Republic of Korea
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Arnaert S, Byttebier P, Van Rossom S, Vereecke E, Jonkers I, Oei E, Bierma-Zeinstra SM, Lories R, van Middelkoop M, Clockaerts S. Anterior Tibiotalar Fat Pad Involvement in Ankle Osteoarthritis: MRI Features in Patients 1 Year After a Lateral Ankle Sprain. Cartilage 2023; 14:285-291. [PMID: 37013994 PMCID: PMC10601560 DOI: 10.1177/19476035231161786] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/26/2022] [Revised: 02/12/2023] [Accepted: 02/17/2023] [Indexed: 04/05/2023] Open
Abstract
OBJECTIVE To investigate the characteristics of the anterior tibiotalar fat pad (ATFP) in the ankle joint in a population of patients 1 year after an ankle sprain and its correlation with systemic factors and local articular pathology. DESIGN The study is a secondary analysis of an observational case-control study. We included 206 patients who were followed 6-12 months after ankle sprain. T1 MRI scans were assessed for signal intensity and area of ATFP by mapping the fat pad using dedicated imaging software (Mimics 18.0). Quantitative values of intensity and area were generated. Linear regression analysis was used to examine the association between both local and systemic factors and the ATFP. Variables with a P value <0.2 were entered in 5 stepwise multivariate models: (1) age-sex-body mass index (BMI); (2) anamnesis; (3) physical examination; (4) radiographic findings; and (5) MRI findings. Predictors in these separate models were entered in the final model. RESULTS The final multivariate model showed a significant positive association between age (P = 0.04; 95% confidence interval [CI] = 1.13 ± 1.06), BMI (P = 0.05; 95% CI = 3.61 ± 3.53), and sex (P < 0.01; 95% CI = -49.26 ± 30.04) with T1 intensity. The final model also showed a significant negative association between age (P < 0.01; 95% CI = -0.57 ± 0.34), diffuse cartilage loss in the lateral talus (P = 0.03; 95% CI = -0.71 ± 0.63), and Kellgren and Lawrence score in the tibiotalar joint (P < 0.01; 95%CI = -21.61 ± 7.24) and ATFP area. A positive association was found between BMI (P < 0.01; 95% CI = 2.25 ± 1.15) and ATFP area. CONCLUSION This study demonstrates a correlation between ATFP and both systemic factors and local pathology in the ankle joint.
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Affiliation(s)
- Stijn Arnaert
- Division of Internal Medicine, University Hospitals Leuven, Leuven, Belgium
| | - Paul Byttebier
- Orthopedic Surgery and Traumatology, General Municipal Hospital Aalst, Aalst, Belgium
| | - Sam Van Rossom
- Human Movement Biomechanics Research Group, KU Leuven, Leuven, Belgium
| | - Evie Vereecke
- Department of Development and Regeneration, KU Leuven, Kortrijk, Belgium
| | - Ilse Jonkers
- Human Movement Biomechanics Research Group, KU Leuven, Leuven, Belgium
| | - Edwin Oei
- Radiology & Nuclear Medicine, Erasmus University Medical Center, Rotterdam, The Netherlands
| | | | - Rik Lories
- Division of Rheumatology, University Hospitals Leuven, Leuven, Belgium
- Department of Development and Regeneration, Skeletal Biology and Engineering Research Center, KU Leuven, Leuven, Belgium
| | | | - Stefan Clockaerts
- Department of Development and Regeneration, Skeletal Biology and Engineering Research Center, KU Leuven, Leuven, Belgium
- Department of Othopedic Surgery and Traumatology, Hospital of Lier, Lier, Belgium
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Tan H, Kang W, Fan Q, Wang B, Yu Y, Yu N, Duan H, Yuan P, Wang S, Chen Q, Jin C. Intravoxel Incoherent Motion Diffusion-Weighted MR Imaging Findings of Infrapatellar Fat Pad Signal Abnormalities: Comparison Between Symptomatic and Asymptomatic Knee Osteoarthritis. Acad Radiol 2023; 30:1374-1383. [PMID: 36609030 DOI: 10.1016/j.acra.2022.11.010] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2022] [Revised: 10/26/2022] [Accepted: 11/12/2022] [Indexed: 01/06/2023]
Abstract
RATIONALE AND OBJECTIVES Infrapatellar fat pad (IPFP) proton density-weighted images (PdWI) hyperintense regions on MRI are an important imaging feature of knee osteoarthritis (KOA) and are thought to represent inflammation which may induce knee pain. The aim of the study was to compare the intravoxel incoherent motion diffusion-weighted imaging (IVIM-DWI) findings of PdWI hyperintense regions of IPFP between symptomatic and asymptomatic KOA and to determine whether IVIM-DWI parameters can be used as an objective biomarker for symptomatic KOA. MATERIALS AND METHODS In total, 84 patients with symptomatic KOA, 43 asymptomatic KOA persons, and 30 healthy controls with MRI were retrospectively reviewed. Demographic, IPFP-synovitis, Western Ontario and McMaster Osteoarthritis Index (WOMAC) pain sub-score, IPFP volume and depth and quantitative parameters of IVIM-DWI were collected. The chi-square test, Binary logistic regression and receiver operating characteristic curve (ROC) analysis were used for diagnostic performance comparison. RESULTS The IPFP volume and depth were statistically significant differences between the non-KOA and sKOA groups (p<0.05). The IPFP PdWI hyperintense regions demonstrated significantly higher values of D and D* in the symptomatic KOA compared to those in the asymptomatic KOA (1.51±0.47 vs. 1.73±0.40 for D and 19.24±6.44 vs. 27.09±9.75 for D*) (both p<0.05). Multivariate logistic regression analyses showed that Higher D and D* values of IPFP hyperintense region were significantly associated with higher risks of knee pain (OR: 1.97; 95% CI: 1.21-3.19; p=0.006 for D and OR: 1.24; 95% CI: 1.09-1.41; p=0.001 for D*). Sensitivity and specificity of D value for symptomatic KOA were 80.28% and 83.33%, with an AUC of 0.78 (0.68-0.86). D* value had the sensitivity with 92.96% and a specificity of 58.33%, with an AUC of 0.82 (0.73-0.89) for symptomatic KOA. CONCLUSION IVIM-DWI can be used as an additional functional imaging technique to study IPFP with signal abnormalities on PdWI, and the D and D* values may have potential value to predict the symptom in mild-to-moderate KOA patients.
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Affiliation(s)
- Hui Tan
- From the department of Radiology, The First Affiliated Hospital of Xi'an Jiaotong University, No. 277, Yanta West Road, Xi'an, Shaanxi, 710061, People's Republic of China; Department of Radiology, The Affiliated Hospital of Shaanxi University of Chinese Medicine, Xianyang, Shaanxi, People's Republic of China
| | - Wulin Kang
- Department of Orthopedics, The Affiliated Hospital of Shaanxi University of Chinese Medicine, Xianyang, Shaanxi, People's Republic of China
| | - Qiuju Fan
- Department of Radiology, The Affiliated Hospital of Shaanxi University of Chinese Medicine, Xianyang, Shaanxi, People's Republic of China
| | - Bin Wang
- Institute of Medical Technology, Shaanxi University of Chinese Medicine, Xianyang, Shaanxi, People's Republic of China
| | - Yong Yu
- Department of Radiology, The Affiliated Hospital of Shaanxi University of Chinese Medicine, Xianyang, Shaanxi, People's Republic of China
| | - Nan Yu
- Department of Radiology, The Affiliated Hospital of Shaanxi University of Chinese Medicine, Xianyang, Shaanxi, People's Republic of China
| | - Haifeng Duan
- Department of Radiology, The Affiliated Hospital of Shaanxi University of Chinese Medicine, Xianyang, Shaanxi, People's Republic of China
| | - Puwei Yuan
- Department of Orthopedics, The Affiliated Hospital of Shaanxi University of Chinese Medicine, Xianyang, Shaanxi, People's Republic of China
| | - Shaoyu Wang
- MR senior scientific marketing specialist, Siemens Healthineers, Shanghai, People's Republic of China
| | - Qing Chen
- Institute of Medical Technology, Shaanxi University of Chinese Medicine, Xianyang, Shaanxi, People's Republic of China
| | - Chenwang Jin
- From the department of Radiology, The First Affiliated Hospital of Xi'an Jiaotong University, No. 277, Yanta West Road, Xi'an, Shaanxi, 710061, People's Republic of China.
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Ye Q, He D, Ding X, Wang Y, Wei Y, Liu J. Quantitative evaluation of the infrapatellar fat pad in knee osteoarthritis: MRI-based radiomic signature. BMC Musculoskelet Disord 2023; 24:326. [PMID: 37098523 PMCID: PMC10127010 DOI: 10.1186/s12891-023-06433-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/10/2022] [Accepted: 04/14/2023] [Indexed: 04/27/2023] Open
Abstract
BACKGROUND The infrapatellar fat pad (IFP) may have bilateral influence on knee osteoarthritis (KOA). IFP evaluation may be a key contributor to the diagnostic and clinical management of KOA. Few studies have evaluated KOA-related IFP alteration with radiomics. We investigated radiomic signature for the assessment of IFP for KOA progression in older adults. METHODS A total of 164 knees were enrolled and grouped based on Kellgren-Lawrence (KL) scoring. MRI-based radiomic features were calculated from IFP segmentation. The radiomic signature was developed using the most predictive subset of features and the machine-learning algorithm with minimum relative standard deviation. KOA severity and structure abnormality were assessed using a modified whole-organ magnetic resonance imaging score (WORMS). The performance of the radiomic signature was evaluated and the correlation with WORMS assessments was analyzed. RESULTS The area under the curve of the radiomic signature for diagnosing KOA was 0.83 and 0.78 in the training and test datasets, respectively. Rad-scores were 0.41 and 2.01 for the training dataset in the groups with and without KOA (P < 0.001) and 0.63 and 2.31 for the test dataset (P = 0.005), respectively. WORMS significantly and positively correlated with rad-scores. CONCLUSIONS The radiomic signature may be a reliable biomarker to detect IFP abnormality of KOA. Radiomic alterations in IFP were associated with severity and knee structural abnormalities of KOA in older adults.
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Affiliation(s)
- Qin Ye
- Center for Rehabilitation Medicine, Department of Radiology, Zhejiang Provincial People's Hospital, Affiliated People's Hospital, Hangzhou Medical College, Hangzhou, Zhejiang, China
| | - Dong He
- Center for Rehabilitation Medicine, Department of Radiology, Zhejiang Provincial People's Hospital, Affiliated People's Hospital, Hangzhou Medical College, Hangzhou, Zhejiang, China
| | - Xiaonan Ding
- Center for Rehabilitation Medicine, Department of Radiology, Zhejiang Provincial People's Hospital, Affiliated People's Hospital, Hangzhou Medical College, Hangzhou, Zhejiang, China
| | - Yajie Wang
- Center for Rehabilitation Medicine, Department of Radiology, Zhejiang Provincial People's Hospital, Affiliated People's Hospital, Hangzhou Medical College, Hangzhou, Zhejiang, China
| | - Yuguo Wei
- Precision Health Institution, General Electric Healthcare, Hangzhou, China
| | - Jing Liu
- Center for Rehabilitation Medicine, Department of Radiology, Zhejiang Provincial People's Hospital, Affiliated People's Hospital, Hangzhou Medical College, Hangzhou, Zhejiang, China.
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10
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Liu Z, Wu J, Xiang W, Wu J, Huang S, Zhou Y, Xia H, Ni Z, Liu B. Correlation between the Signal Intensity Alteration of Infrapatellar Fat Pad and Knee Osteoarthritis: A Retrospective, Cross-Sectional Study. J Clin Med 2023; 12:jcm12041331. [PMID: 36835867 PMCID: PMC9965223 DOI: 10.3390/jcm12041331] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2022] [Revised: 02/02/2023] [Accepted: 02/03/2023] [Indexed: 02/10/2023] Open
Abstract
Infrapatellar fat pad (IPFP) inflammation is a common pathological manifestation in knee osteoarthritis (OA). However, the significance of IPFP signal intensity alteration for clinical diagnosis and treatment of knee OA needs further research. We assessed IPFP signal intensity alteration (0-3), IPFP maximum cross-sectional area (CSA) and IPFP depth, meniscus injury, bone marrow edema, and cartilage injury from magnetic-resonance imaging (MRI) in 41 non-KOA patients (K-L grade 0 and grade I) and 68 KOA patients (K-L grade 2,3 and 4). We found that IPFP signaling was altered in all patients with KOA whose alteration was closely related to the K-L grading. We found that the IPFP signal intensity was increased in most OA patients, especially the ones in the late stage. There were significant differences in IPFP maximum CSA and IPFP depth between groups in KOA and non-KOA patients. Moreover, Spearman correlation analysis showed that IPFP signal intensity was moderately positively correlated with age, meniscal injury, cartilage injury, and bone marrow edema, and negatively correlated with height, while not correlated with visual analogue scale (VAS) scoring and body mass index (BMI). In addition, women have higher IPFP inflammation scores on MRI than men. In conclusion, IPFP signal intensity alteration is associated with joint damage in knee OA, which may have clinical significance for diagnosing and treating KOA.
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Affiliation(s)
- Zheng Liu
- Department of Joint Surgery and Sport Medicine, The First Affiliated Hospital of Hunan Normal University, Changsha 410000, China
| | - Jiangyi Wu
- Department of Sports Medicine and Rehabilitation, Peking University Shenzhen Hospital, Shenzhen 518036, China
| | - Wei Xiang
- State Key Laboratory of Trauma, Burns and Combined Injury, Department of Rehabilitation Medicine, Daping Hospital, Army Medical University, Chongqing 400042, China
| | - Jinhui Wu
- Department of Joint Surgery and Sport Medicine, The First Affiliated Hospital of Hunan Normal University, Changsha 410000, China
| | - Shu Huang
- Department of Joint Surgery and Sport Medicine, The First Affiliated Hospital of Hunan Normal University, Changsha 410000, China
| | - Yizhao Zhou
- Department of Joint Surgery and Sport Medicine, The First Affiliated Hospital of Hunan Normal University, Changsha 410000, China
| | - Hui Xia
- Surgery Department I, The First Affiliated Hospital of Hunan Normal University, Changsha 410000, China
| | - Zhenhong Ni
- State Key Laboratory of Trauma, Burns and Combined Injury, Department of Rehabilitation Medicine, Daping Hospital, Army Medical University, Chongqing 400042, China
- Correspondence: (Z.N.); (B.L.)
| | - Baorong Liu
- Department of Joint Surgery and Sport Medicine, The First Affiliated Hospital of Hunan Normal University, Changsha 410000, China
- Correspondence: (Z.N.); (B.L.)
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11
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Cen H, Yan Q, Meng T, Chen Z, Zhu J, Wang Y, Ruan G, Wang T, Han W, Hunter D, Ding C. Quantitative infrapatellar fat pad signal intensity alteration as an imaging biomarker of knee osteoarthritis progression. RMD Open 2023; 9:rmdopen-2022-002565. [PMID: 36697038 PMCID: PMC9884854 DOI: 10.1136/rmdopen-2022-002565] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2022] [Accepted: 01/02/2023] [Indexed: 01/26/2023] Open
Abstract
OBJECTIVE To determine the association of quantitative infrapatellar fat pad (IPFP) signal intensity alteration with knee osteoarthritis (OA) progression. METHOD This study was performed based on the Foundation for the National Institutes of Health OA Biomarkers Consortium study, a nested case-control study consisting of 600 participants. The IPFP signal intensity alterations were quantitatively measured at baseline, 12 months and 24 months. The associations of baseline and time-integrated values over 12 and 24 months of IPFP signal intensity measures with knee OA progression over 48 months were evaluated with adjustment for baseline confounders. RESULTS The baseline level of clustering effect of high signal intensity (Clustering factor (H)) was predictive of clinically relevant progression (both radiographic and pain progression) (OR 1.22). The time-integrated values of all IPFP signal intensity measures, except for mean value of IPFP signal intensity (Mean (IPFP)) over 24 months (ORs ranging from 1.23 to 1.39) as well was all except for Mean (IPFP) and mean value of IPFP high signal intensity (Mean (H)) over 12 months (ORs ranging from 1.20 to 1.31), were positively associated with clinically relevant progression. When the associations of quantitative IPFP signal intensity measures with radiographic and pain progression were examined separately, more IPFP signal intensity measures with stronger effect sizes were associated with radiographic progression compared with pain progression. CONCLUSION The associations of short-term alteration in quantitative IPFP signal intensity measures with long-term knee OA progression suggest that these measures might serve as efficacy of intervention biomarkers of knee OA.
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Affiliation(s)
- Han Cen
- Clinical Research Centre, Zhujiang Hospital, Southern Medical University, Guangzhou, Guangdong, China,Menzies Institute for Medical Research, University of Tasmania, Hobart, Tasmania, Australia
| | - Qingran Yan
- Department of Rheumatology, Renji Hospital, School of Medicine, Shanghai Jiaotong University, Shanghai, China
| | - Tao Meng
- Department of Rheumatology and Immunology, The Second Hospital of Anhui Medical University, Hefei, Anhui, China
| | - Zhongshan Chen
- Menzies Institute for Medical Research, University of Tasmania, Hobart, Tasmania, Australia,School of Mathematics and Information Science, Nanjing Normal University of Special Education, Nanjing, Jiangsu, China
| | - Jimin Zhu
- Menzies Institute for Medical Research, University of Tasmania, Hobart, Tasmania, Australia,Department of Public Health and General Medicine, School of Life Sciences, Anhui University of Chinese Medicine, Hefei, Anhui, China
| | - Yuanyuan Wang
- Menzies Institute for Medical Research, University of Tasmania, Hobart, Tasmania, Australia,Department of Health Management, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong, China
| | - Guangfeng Ruan
- Menzies Institute for Medical Research, University of Tasmania, Hobart, Tasmania, Australia,Clinical Research Centre, Guangzhou First People's Hospital, School of Medicine, South China University of Technology, Guangzhou, Guangdong, China
| | - Tian Wang
- Menzies Institute for Medical Research, University of Tasmania, Hobart, Tasmania, Australia,Department of Rheumatology and Clinical Immunology, Beijing An Zhen Hospital, Capital Medical University, Beijing, Beijing, China
| | - Weiyu Han
- Clinical Research Centre, Zhujiang Hospital, Southern Medical University, Guangzhou, Guangdong, China
| | - David Hunter
- Clinical Research Centre, Zhujiang Hospital, Southern Medical University, Guangzhou, Guangdong, China,Department of Rheumatology, Royal North Shore Hospital and Institute of Bone and Joint Research, Kolling Institute, University of Sydney, Sydney, New South Wales, Australia
| | - Changhai Ding
- Clinical Research Centre, Zhujiang Hospital, Southern Medical University, Guangzhou, Guangdong, China .,Menzies Institute for Medical Research, University of Tasmania, Hobart, Tasmania, Australia
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12
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Yu K, Ying J, Zhao T, Lei L, Zhong L, Hu J, Zhou JW, Huang C, Zhang X. Prediction model for knee osteoarthritis using magnetic resonance-based radiomic features from the infrapatellar fat pad: data from the osteoarthritis initiative. Quant Imaging Med Surg 2023; 13:352-369. [PMID: 36620171 PMCID: PMC9816749 DOI: 10.21037/qims-22-368] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2022] [Accepted: 10/31/2022] [Indexed: 11/21/2022]
Abstract
Background The infrapatellar fat pad (IPFP) plays an important role in the incidence of knee osteoarthritis (OA). Magnetic resonance (MR) signal heterogeneity of the IPFP is related to pathologic changes. In this study, we aimed to investigate whether the IPFP radiomic features have predictive value for incident radiographic knee OA (iROA) 1 year prior to iROA diagnosis. Methods Data used in this work were obtained from the osteoarthritis initiative (OAI). In this study, iROA was defined as a knee with a baseline Kellgren-Lawrence grade (KLG) of 0 or 1 that further progressed to KLG ≥2 during the follow-up visit. Intermediate-weighted turbo spin-echo knee MR images at the time of iROA diagnosis and 1 year prior were obtained. Five clinical characteristics-age, sex, body mass index, knee injury history, and knee surgery history-were obtained. A total of 604 knees were selected and matched (302 cases and 302 controls). A U-Net segmentation model was independently trained to automatically segment the IPFP. The prediction models were established in the training set (60%). Three main models were generated using (I) clinical characteristics; (II) radiomic features; (III) combined (clinical plus radiomic) features. Model performance was evaluated in an independent testing set (remaining 40%) using the area under the curve (AUC). Two secondary models were also generated using Hoffa-synovitis scores and clinical characteristics. Results The comparison between the automated and manual segmentations of the IPFP achieved a Dice coefficient of 0.900 (95% CI: 0.891-0.908), which was comparable to that of experienced radiologists. The radiomic features model and the combined model yielded superior AUCs of 0.700 (95% CI: 0.630-0.763) and 0.702 (95% CI: 0.635-0.763), respectively. The DeLong test found no statistically significant difference between the receiver operating curves of the radiomic and combined models (P=0.831); however, both models outperformed the clinical model (P=0.014 and 0.004, respectively). Conclusions Our results demonstrated that radiomic features of the IPFP are predictive of iROA 1 year prior to the diagnosis, suggesting that IPFP radiomic features can serve as an early quantitative prediction biomarker of iROA.
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Affiliation(s)
- Keyan Yu
- Department of Medical Imaging, The Third Affiliated Hospital of Southern Medical University (Academy of Orthopedics Guangdong Province), Guangzhou, China;,Department of Radiology, Peking University Shenzhen Hospital, Shenzhen, China
| | - Jia Ying
- Department of Biomedical Engineering, Stony Brook University, Stony Brook, NY, USA
| | - Tianyun Zhao
- Department of Biomedical Engineering, Stony Brook University, Stony Brook, NY, USA
| | - Lan Lei
- Program in Public Health, Stony Brook Medicine, Stony Brook, NY, USA;,Department of Medicine, Northside Hospital Gwinnett, Lawrenceville, GA, USA
| | - Lijie Zhong
- Department of Medical Imaging, The Third Affiliated Hospital of Southern Medical University (Academy of Orthopedics Guangdong Province), Guangzhou, China
| | - Jiaping Hu
- Department of Medical Imaging, The Third Affiliated Hospital of Southern Medical University (Academy of Orthopedics Guangdong Province), Guangzhou, China
| | - Juin W. Zhou
- Department of Biomedical Engineering, Stony Brook University, Stony Brook, NY, USA
| | - Chuan Huang
- Department of Biomedical Engineering, Stony Brook University, Stony Brook, NY, USA;,Department of Radiology, Stony Brook Medicine, Stony Brook, NY, USA;,Department of Psychiatry, Stony Brook Medicine, Stony Brook, NY, USA
| | - Xiaodong Zhang
- Department of Medical Imaging, The Third Affiliated Hospital of Southern Medical University (Academy of Orthopedics Guangdong Province), Guangzhou, China
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13
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Zhao Y, Zhu Z, Lu M, Chang J, Zheng S, Kent Kwoh C, Hunter DJ, Ding C. Irregular types of proximal tibiofibular joint increase the risk of total knee replacement: Data from the osteoarthritis initiative. J Orthop Res 2022; 40:1787-1793. [PMID: 34727375 DOI: 10.1002/jor.25204] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/10/2020] [Revised: 08/15/2021] [Accepted: 10/19/2021] [Indexed: 02/04/2023]
Abstract
The study aimed to determine the associations between the morphological types of proximal tibiofibular joint (PTFJ) and the risk of total knee replacement (TKR) in a cohort of participants with progressive osteoarthritis. A nested case-control design was performed in Osteoarthritis Initiative study. The case knees were those with TKR at 24-60 months follow up (cases), and were 1:1 matched with control knees by age, sex, and Kellgren-Lawrence grade at baseline. The morphological type of each PTFJ was identified according to the coronal and sagittal MR images. Conditional logistic regression models were used to examine the association of the PTFJ types with the risk of TKR at baseline and the time point before TKR (T0 ). A total of 193 case knees at baseline and 148 case knees at T0 time point had matched controls between 12 and 60 M. Seven types of the PTFJ were identified and classified into three categories: plane, trochoid, and irregular types. The prevalence of the irregular type was higher in case knees than in controls both at baseline (cases vs. controls, 35.8% vs. 26.9%) and at T0 time point (cases vs. controls, 33.1% vs. 27.0%). The irregular type of the PTFJ at baseline (odds ratio: 1.62, 95% confidence interval: 1.01-2.59) rather than at T0 time point was significantly associated with increased odds of TKR. The irregular types of the PTFJ at baseline are associated with increased risk of TKR, suggesting PTFJ may play a role in knee osteoarthritis.
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Affiliation(s)
- Yi Zhao
- Department of Rheumatology & Allergy, Xuanwu Hospital, Capital Medical University, Beijing, China.,Clinical Research Centre, Zhujiang Hospital of Southern Medical University, Guangzhou, China
| | - Zhaohua Zhu
- Clinical Research Centre, Zhujiang Hospital of Southern Medical University, Guangzhou, China.,Department of Orthopaedics, Zhujiang Hospital, Southern Medical University, Guangzhou, China
| | - Ming Lu
- Menzies Institute for Medical Research, University of Tasmania, Hobart, Tasmania, Australia.,Department of Orthopaedics, the First Affiliated Hospital of Anhui Medical University, Anhui, China
| | - Jun Chang
- Department of Orthopaedics, the Fourth Affiliated Hospital of Anhui Medical University, Anhui, China
| | - Shuang Zheng
- Clinical Research Centre, Zhujiang Hospital of Southern Medical University, Guangzhou, China.,Department of Orthopaedics, the First Affiliated Hospital of Anhui Medical University, Anhui, China
| | - Chian Kent Kwoh
- University of Arizona Arthritis Center & Division of Rheumatology, University of Arizona College of Medicine, Tucson, Arizona, USA
| | - David J Hunter
- Department of Rheumatology, Royal North Shore Hospital and Institute of Bone and Joint Research, Kolling Institute, University of Sydney, Australia
| | - Changhai Ding
- Clinical Research Centre, Zhujiang Hospital of Southern Medical University, Guangzhou, China.,Menzies Institute for Medical Research, University of Tasmania, Hobart, Tasmania, Australia
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14
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Zhong L, Li M, Du X, Ding Y, Zhang X, Mei Y, Yi P, Feng Y, Chen Y, Zhang X. Quantitative evaluation of the characteristic of infrapatellar fat pad Fat Content and Unsaturation Index by using hydrogen proton MR spectroscopy. Magn Reson Imaging 2022; 94:18-24. [DOI: 10.1016/j.mri.2022.07.014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/01/2022] [Revised: 07/23/2022] [Accepted: 07/27/2022] [Indexed: 10/16/2022]
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15
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He J, Ba H, Feng J, Peng C, Liao Y, Li L, Cao X, Wang Z, Shen M, Wu S. Increased signal intensity, not volume variation of infrapatellar fat pad in knee osteoarthritis: A cross-sectional study based on high-resolution magnetic resonance imaging. J Orthop Surg (Hong Kong) 2022; 30:10225536221092215. [PMID: 35422165 DOI: 10.1177/10225536221092215] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
BACKGROUND Infrapatellar fat pad (IPFP) is regarded as an essential knee tissue involved in osteoarthritis (OA) for its potential structural-related or metabolism-related function. This cross-sectional study aims to identify which part is more related to OA. METHODS Patients with knee OA (n = 53) and healthy controls (n = 54) were prospectively recruited. Based on high-resolution magnetic resonance imaging with a slice thickness of only 0.35 mm, IPFP structural-related parameters (volume and maximal area), metabolism-related parameter (signal), degeneration indicators, and patellar maltracking indicators (patellar translation, patellofemoral angle, and Insall-Salvati ratio) were measured. IPFP volume (maximal area, and signal) was compared between healthy controls and OA patients. The level of significance for all comparisons was set as .05. RESULTS OA patients had higher IPFP signal (672.9 ± 136.9 vs 567.3 ± 63.6, p = .009), but no significant difference in IPFP volume or maximal area compared with healthy controls. In healthy controls, IPFP signal was positively associated with age (β = 1.481; 95% CI: 0.286-2.676; p = .018); IPFP maximal area was positively related to Insall-Salvati ratio (β = 0.001; 95% CI: 0.0003-0.0017; p = .039), but not associated with patellar translation and patellofemoral angle. In OA patients, IPFP signal was positively associated with cartilage loss (β = 0.005; 95% CI: 0.003-0.007; p = .013); no correlation between knee pain and IPFP volume or maximal area was observed. CONCLUSIONS The metabolism-related function of IPFP, which can be reflected by the IPFP signal, might play a more critical role in OA progression than its structural function.
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Affiliation(s)
- Jinshen He
- Department of Orthopaedic Surgery, 504354Third Xiangya Hospital of Central South University, Changsha, China
| | - Hongliang Ba
- Department of Orthopaedic Surgery, 504354Third Xiangya Hospital of Central South University, Changsha, China
| | - Jing Feng
- Department of Orthopaedic Surgery, 504354Third Xiangya Hospital of Central South University, Changsha, China
| | - Cheng Peng
- Department of Burns, 504354Third Xiangya Hospital of Central South University, Changsha, China
| | - Yunjie Liao
- Department of Radiology, 504354Third Xiangya Hospital of Central South University, Changsha, China
| | - Lifeng Li
- Department of Radiology, 504354Third Xiangya Hospital of Central South University, Changsha, China
| | - Xu Cao
- Department of Orthopaedic Surgery, 504354Third Xiangya Hospital of Central South University, Changsha, China
| | - Zili Wang
- Department of Orthopaedic Surgery, 504354Third Xiangya Hospital of Central South University, Changsha, China
| | - Minren Shen
- Department of Orthopaedic Surgery, 504354Third Xiangya Hospital of Central South University, Changsha, China
| | - Song Wu
- Department of Orthopaedic Surgery, 504354Third Xiangya Hospital of Central South University, Changsha, China
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16
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Cen H, Yan Q, Han W, Meng T, Chen Z, Ruan G, Wang T, Pan F, Chen D, Kraus VB, Hunter DJ, Ding C. Longitudinal association of infrapatellar fat pad signal intensity alteration with biochemical biomarkers in knee osteoarthritis. Rheumatology (Oxford) 2022; 62:439-449. [PMID: 35385111 PMCID: PMC9788819 DOI: 10.1093/rheumatology/keac214] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2022] [Revised: 03/30/2022] [Accepted: 03/30/2022] [Indexed: 01/01/2023] Open
Abstract
OBJECTIVE To explore the longitudinal association of quantitative infrapatellar fat pad (IPFP) signal intensity alteration with OA-related biomarkers. METHODS Eighteen OA-related biochemical biomarkers of 600 knee OA participants in the Foundation for the National Institutes of Health OA Biomarkers Consortium (FNIH) study were extracted. The quantitative IPFP signal intensity measures were acquired based on magnetic resonance imaging, including mean value [Mean (IPFP)] and standard deviation [sDev (IPFP)] of the whole IPFP signal intensity, median value [Median (H)] and upper quartile value [UQ (H)] of high signal intensity, the ratio of volume of high signal intensity to volume of whole IPFP signal intensity [Percentage (H)] and Clustering factor (H). The linear mixed-effect model was applied to determine the longitudinal associations between IPFP signal intensity alteration and biochemical biomarkers over 2 years. RESULTS All IPFP measures except for Clustering factor (H) were positively associated with urine collagenase-cleaved type II collagen neoepitope (uC2C), urine C-terminal cross-linked telopeptide of type II collagen (uCTX-II), urine C-terminal cross-linked telopeptide of type I collagen-α (uCTX-Iα) and urine N-terminal cross-linked telopeptide of type I collagen (uNTX-I). Mean (IPFP), Median (H) and Percentage (H) were positively associated with the nitrated form of an epitope located in the triple helix of type II collagen (Coll2-1 NO2). Mean (IPFP), Median (H) and UQ (H) were positively associated with sCTX-I and uCTX-Iβ. Positive associations between sDev (IPFP), Percentage (H) and serum hyaluronic acid (sHA) were found. CONCLUSION Our results suggest a role of IPFP signal intensity alteration in joint tissue remodelling on a molecular level.
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Affiliation(s)
- Han Cen
- Correspondence to: Changhai Ding, Clinical Research Centre, Zhujiang Hospital, Southern Medical University, Guangzhou, China. E-mail:
| | - Qingran Yan
- Menzies Institute for Medical Research, University of Tasmania, Hobart, Australia,Department of Rheumatology, Renji Hospital, School of Medicine, Shanghai Jiaotong University, Shanghai
| | - Weiyu Han
- Menzies Institute for Medical Research, University of Tasmania, Hobart, Australia,Clinical Research Centre, Zhujiang Hospital, Southern Medical University, Guangzhou
| | - Tao Meng
- Department of Rheumatology and Immunology, The Second Hospital of Anhui Medical University, Hefei
| | - Zhongshan Chen
- Menzies Institute for Medical Research, University of Tasmania, Hobart, Australia,School of Mathematics and Information Science, Nanjing Normal University of Special Education, Nanjing
| | - Guangfeng Ruan
- Menzies Institute for Medical Research, University of Tasmania, Hobart, Australia,Clinical Research Centre, Zhujiang Hospital, Southern Medical University, Guangzhou
| | - Tian Wang
- Menzies Institute for Medical Research, University of Tasmania, Hobart, Australia,Department of Rheumatology and Clinical Immunology, Beijing An Zhen Hospital, Capital Medical University, Beijing
| | - Feng Pan
- Menzies Institute for Medical Research, University of Tasmania, Hobart, Australia
| | - Di Chen
- Faculty of Pharmaceutical Sciences, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen, China
| | - Virginia Byers Kraus
- Duke Molecular Physiology Institute and Division of Rheumatology, Department of Medicine, Duke University School of Medicine, Durham, NC, USA
| | - David J Hunter
- Clinical Research Centre, Zhujiang Hospital, Southern Medical University, Guangzhou,Department of Rheumatology, Royal North Shore Hospital and Institute of Bone and Joint Research, Kolling Institute, University of Sydney, Sydney, Australia
| | - Changhai Ding
- Menzies Institute for Medical Research, University of Tasmania, Hobart, Australia,Clinical Research Centre, Zhujiang Hospital, Southern Medical University, Guangzhou
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17
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Martel-Pelletier J, Tardif G, Pelletier JP. An Open Debate on the Morphological Measurement Methodologies of the Infrapatellar Fat Pad to Determine Its Association with the Osteoarthritis Process. Curr Rheumatol Rep 2022; 24:76-80. [PMID: 35235164 DOI: 10.1007/s11926-022-01057-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/12/2022] [Indexed: 11/28/2022]
Abstract
INTRODUCTION Knee osteoarthritis (OA) is a disease affecting all the neighboring articular tissues including the infrapatellar fat pad (IPFP). Although not yet as widely studied as other tissues in the knee, the IPFP has been recognized to have important metabolic activities and is a key player in OA. METHODS In this commentary, we will briefly describe the different methodologies employed for the MRI morphological measurement of this tissue and depict the findings in regard to OA. RESULTS The morphology of this tissue, monitored mainly with the use of magnetic resonance imaging (MRI), demonstrates changes during OA. However, studies of the IPFP morphological alterations and their association with the OA process have shown conflicting results, including a detrimental or beneficial role or no role at all. Although many reasons could explain such mixed findings, one might be the different methodologies used for the MRI measurement of area, volume, or signal intensity. In addition, several techniques are also employed for measuring the volume and signal intensity. An additional level of complexity is related to the presence within the IPFP of two different types of signal intensities, hyper-intensity, and hypo-intensity. CONCLUSION A consensus of a procedure to measure the morphology of the IPFP is urgently needed to fully appreciate the role of this tissue in the pathology of OA, as well as its uses for clinical decision-making.
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Affiliation(s)
- Johanne Martel-Pelletier
- Osteoarthritis Research Unit, University of Montreal Hospital Research Centre (CRCHUM), 900 Saint-Denis Street, Pavilion R, Room R11.412, Montreal, Quebec, H2X 0A9, Canada.
| | - Ginette Tardif
- Osteoarthritis Research Unit, University of Montreal Hospital Research Centre (CRCHUM), 900 Saint-Denis Street, Pavilion R, Room R11.412, Montreal, Quebec, H2X 0A9, Canada
| | - Jean-Pierre Pelletier
- Osteoarthritis Research Unit, University of Montreal Hospital Research Centre (CRCHUM), 900 Saint-Denis Street, Pavilion R, Room R11.412, Montreal, Quebec, H2X 0A9, Canada
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18
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Chen Y, Zhang X, Li M, Zhong L, Ding Y, Zhang Y, Du X, Mo X, Chen J, Chen Q, Huang W, Zhong S, Zhang X. Quantitative MR evaluation of the infrapatellar fat pad for knee osteoarthritis: using proton density fat fraction and T2* relaxation based on DIXON. Eur Radiol 2022; 32:4718-4727. [PMID: 35141779 DOI: 10.1007/s00330-022-08561-5] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2021] [Revised: 12/21/2021] [Accepted: 01/03/2022] [Indexed: 11/26/2022]
Abstract
OBJECTIVES To investigate the efficacy of fat fraction (FF) and T2* relaxation based on DIXON in the assessment of infrapatellar fat pad (IFP) for knee osteoarthritis (KOA) progression in older adults. METHODS Ninety volunteers (age range 51-70 years, 65 females) were enrolled in this study. Participants were grouped based on the Kellgren-Lawrence grading (KLG). The FF and T2* values were measured based on the 3D-modified DXION technique. Cartilage defects, bone marrow lesions, and synovitis were assessed based on a modified version of whole-organ magnetic resonance imaging score (WORMS). Knee pain was assessed by self-administered Western Ontario and McMaster Osteoarthritis Index (WOMAC) questionnaire. The differences of FF and T2* measurement and the correlation with WORMS and WOMAC assessments were analyzed. Diagnostic efficiency was analyzed by using receiver operating characteristic (ROC) curves. RESULTS A total of 60 knees were finally included (n = 20 in each group). The values were 82.6 ± 3.7%, 74.7 ± 5.4%, and 60.5 ± 14.1% for FF is the no OA, mild OA, and advanced OA groups, and were 50.7 ± 6.6 ms, 44.1 ± 6.6 ms, and 39.1 ± 4.2 ms for T2*, respectively (all p values < 0.001). The WORMS assessment and WOMAC pain assessment showed negative correlation with FF and T2* values. The ROC showed the area under the curve (AUC), sensitivity, and specificity for diagnosing OA were 0.93, 77.5%, and 100% using FF, and were 0.86, 75.0%, and 90.0% using T2*, respectively. CONCLUSIONS FF and T2* alternations in IFP are associated with knee structural abnormalities and clinical symptoms cross-sectionally and may have the potential to predict the severity of KOA. KEY POINTS • Fat fraction (FF) and T2* relaxation based on DIXON imaging are novel methods to quantitatively assess the infrapatellar fat pad for knee osteoarthritis (KOA) progression in older adults. • The alterations of FF and T2* using mDIXON technique in IFP were associated with knee structural abnormalities and clinical symptoms. • FF and T2* alternations in IFP can serve as the new imaging biomarkers for fast, simple, and noninvasive assessment in KOA.
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Affiliation(s)
- Yanjun Chen
- School of Basic Medical Sciences, Southern Medical University, No.1023, Shatai Road South, Baiyun District, Guangzhou, 510515, Guangdong, China
- The Third Affiliated Hospital of Southern Medical University, No.183, Zhongshan Avenue West, Tianhe District, Guangzhou, 510630, Guangdong, China
| | - Xintao Zhang
- The Third Affiliated Hospital of Southern Medical University, No.183, Zhongshan Avenue West, Tianhe District, Guangzhou, 510630, Guangdong, China
| | - Mianwen Li
- The Third Affiliated Hospital of Southern Medical University, No.183, Zhongshan Avenue West, Tianhe District, Guangzhou, 510630, Guangdong, China
| | - Lijie Zhong
- The Third Affiliated Hospital of Southern Medical University, No.183, Zhongshan Avenue West, Tianhe District, Guangzhou, 510630, Guangdong, China
| | - Yukun Ding
- The Third Affiliated Hospital of Southern Medical University, No.183, Zhongshan Avenue West, Tianhe District, Guangzhou, 510630, Guangdong, China
| | - Yaru Zhang
- School of Basic Medical Sciences, Southern Medical University, No.1023, Shatai Road South, Baiyun District, Guangzhou, 510515, Guangdong, China
| | - Xueting Du
- Department of Radiology, Affiliated Hospital of Guangdong Medical University, Guangzhou, Guangdong, China
| | - Xianfu Mo
- The Third Affiliated Hospital of Southern Medical University, No.183, Zhongshan Avenue West, Tianhe District, Guangzhou, 510630, Guangdong, China
| | - Jialing Chen
- The Third Affiliated Hospital of Southern Medical University, No.183, Zhongshan Avenue West, Tianhe District, Guangzhou, 510630, Guangdong, China
| | - Qianmin Chen
- The Third Affiliated Hospital of Southern Medical University, No.183, Zhongshan Avenue West, Tianhe District, Guangzhou, 510630, Guangdong, China
| | - Wenhua Huang
- School of Basic Medical Sciences, Southern Medical University, No.1023, Shatai Road South, Baiyun District, Guangzhou, 510515, Guangdong, China
| | - Shizhen Zhong
- School of Basic Medical Sciences, Southern Medical University, No.1023, Shatai Road South, Baiyun District, Guangzhou, 510515, Guangdong, China.
| | - Xiaodong Zhang
- The Third Affiliated Hospital of Southern Medical University, No.183, Zhongshan Avenue West, Tianhe District, Guangzhou, 510630, Guangdong, China.
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19
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Allen KD, Thoma LM, Golightly YM. Epidemiology of osteoarthritis. Osteoarthritis Cartilage 2022; 30:184-195. [PMID: 34534661 PMCID: PMC10735233 DOI: 10.1016/j.joca.2021.04.020] [Citation(s) in RCA: 181] [Impact Index Per Article: 90.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/30/2020] [Revised: 04/01/2021] [Accepted: 04/19/2021] [Indexed: 02/02/2023]
Abstract
OBJECTIVE To summarize the current state of the evidence regarding osteoarthritis (OA) prevalence, incidence and risk factors at the person-level and joint-level. DESIGN This was a narrative review that took a comprehensive approach regarding inclusion of potential risk factors. The review complements prior reviews of OA epidemiology, with a focus on new research and emerging topics since 2017, as well as seminal studies. RESULTS Studies continue to illustrate the high prevalence of OA worldwide, with a greater burden among older individuals, women, some racial and ethnic groups, and individuals with lower socioeconomic status. Modifiable risk factors for OA with the strongest evidence are obesity and joint injury. Topics of high interest or emerging evidence for a potential association with OA risk or progression include specific vitamins and diets, high blood pressure, genetic factors, metformin use, bone mineral density, abnormal joint shape and malalignment, and lower muscle strength/quality. Studies also continue to highlight the heterogenous nature of OA, with strong interest in understanding and defining OA phenotypes. CONCLUSIONS OA is an increasingly prevalent condition with worldwide impacts on many health outcomes. The strong evidence for obesity and joint injury as OA risk factors calls for heightened efforts to mitigate these risks at clinical and public health levels. There is also a need for continued research regarding how potential person- and joint-level risk factors may interact to influence the development and progression of OA.
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Affiliation(s)
- K D Allen
- Thurston Arthritis Research Center, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA; Department of Medicine, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA; Center for Health Services Research in Primary Care, Department of Veterans Affairs Medical Center, Durham, NC, USA.
| | - L M Thoma
- Thurston Arthritis Research Center, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA; Division of Physical Therapy, Department of Allied Health Sciences, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
| | - Y M Golightly
- Thurston Arthritis Research Center, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA; Division of Physical Therapy, Department of Allied Health Sciences, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA; Department of Epidemiology, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA; Injury Prevention Research Center, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
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20
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Buchanan MW, Furman BD, Zeitlin JH, Huebner JL, Kraus VB, Yi JS, Olson SA. Degenerative joint changes following intra-articular fracture are more severe in mice with T cell deficiency. J Orthop Res 2021; 39:1710-1721. [PMID: 33104263 DOI: 10.1002/jor.24899] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/08/2020] [Revised: 09/25/2020] [Accepted: 10/21/2020] [Indexed: 02/04/2023]
Abstract
The inflammatory response to joint injury, specifically intra-articular fracture, has been implicated in posttraumatic arthritis development. However, the role of T cells in regulating the development of posttraumatic arthritis is unclear. We hypothesized that the absence of T cells would lead to less severe posttraumatic arthritis following intra-articular fracture. T cell-deficient, athymic nude, and wild-type C57BL/6NJ mice were assessed at 8 weeks following closed articular fracture. Joints were assessed using histologic scores of arthritis, synovitis, and bone morphology via micro computed tomography. Cells were profiled in whole blood via flow cytometry, and plasma and synovial fluid derived cytokines were quantified by multiplex analysis. Compared to C57BL/6NJ mice, nude mice had significantly greater histologic evidence of arthritis and synovitis. Whole blood immune cell profiling revealed a lower percentage of dendritic cells but increased natural killer (NK) cells in nude mice. Concurrently, nude mice had significantly higher levels of NK cells in synovial tissue. Concentrations of plasma interleukin 1β (IL-1β) and tumor necrosis factor α, and synovial fluid IL-12, IL-17, and IL-6 in both knees were greater in nude mice. Outcomes of this study suggest that T cells may play a protective regulatory role against the development of posttraumatic arthritis. Clinical significance: Lack of functional T cells exacerbated the development of posttraumatic arthritis following intra-articular fracture suggesting that critical regulators of the immune responses, contained within the T cell population, are required for protection. Future research identifying the specific T cell subsets responsible for modulating disease immunopathogenesis will lead to new therapeutic targets to mitigate posttraumatic arthritis.
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Affiliation(s)
- Michael W Buchanan
- Department of Orthopaedic Surgery, Duke University Medical Center, Durham, North Carolina, USA
| | - Bridgette D Furman
- Department of Orthopaedic Surgery, Duke University Medical Center, Durham, North Carolina, USA
| | - Jacob H Zeitlin
- Department of Orthopaedic Surgery, Duke University Medical Center, Durham, North Carolina, USA
| | - Janet L Huebner
- Duke Molecular Physiology Institute, Durham, North Carolina, USA
| | - Virginia B Kraus
- Duke Molecular Physiology Institute, Durham, North Carolina, USA.,Department of Medicine, Duke University Medical Center, Durham, North Carolina, USA
| | - John S Yi
- Department of Surgery, Duke University Medical Center, Durham, North Carolina, USA
| | - Steven A Olson
- Department of Orthopaedic Surgery, Duke University Medical Center, Durham, North Carolina, USA
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21
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Signal intensity alteration and maximal area of pericruciate fat pad are associated with incident radiographic osteoarthritis: data from the Osteoarthritis Initiative. Eur Radiol 2021; 32:489-496. [PMID: 34327582 DOI: 10.1007/s00330-021-08193-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2021] [Revised: 06/03/2021] [Accepted: 06/30/2021] [Indexed: 10/20/2022]
Abstract
OBJECTIVE To determine whether pericruciate fat pad (PCFP) signal intensity alteration and maximal area are associated with incident radiographic osteoarthritis (ROA) over 4 years in the Osteoarthritis Initiative (OAI) study. METHODS Participants were from the Osteoarthritis Initiative (OAI) study. Case knees (n = 355) were defined by incident ROA between 12 and 48 months visits and were matched by sex, age, and radiographic status with control knees (n = 355). Magnetic resonance images (MRIs) were used to assess PCFP signal intensity alteration and PCFP maximal area at P0 (time of onset of ROA), P-1 (1 year prior to P0), and baseline. Conditional logistic regression analyses were applied to assess associations between PCFP measures and the risk of incident ROA. RESULTS The mean age of participants was 60.1 years and 66.9% were women. In multivariable analyses, PCFP signal intensity alteration measured at three time points (OR [95%CI]: 1.28 [1.10-1.50], 1.52 [1.30-1.78], 1.50 [1.27-1.76], respectively) and PCFP maximal area (OR [95%CI]: 1.21 [1.03-1.42], 1.27 [1.07-1.52], 1.37 [1.15-1.62], respectively) were significantly associated with incident ROA. CONCLUSIONS PCFP signal intensity alteration and maximal area were associated with incident ROA over 4 years, implying that they may have roles to play in ROA. KEY POINTS • Pericruciate fat pad signal intensity alteration and maximal area were associated with incident ROA, implying that they may have roles to play in ROA.
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22
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van der Heijden RA, de Vries BA, Poot DHJ, van Middelkoop M, Bierma-Zeinstra SMA, Krestin GP, Oei EHG. Quantitative volume and dynamic contrast-enhanced MRI derived perfusion of the infrapatellar fat pad in patellofemoral pain. Quant Imaging Med Surg 2021; 11:133-142. [PMID: 33392017 DOI: 10.21037/qims-20-441] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Background Patellofemoral pain (PFP) is a common knee condition and possible precursor of knee osteoarthritis (OA). Inflammation, leading to an increased perfusion, or increased volume of the infrapatellar fat pad (IPFP) may induce knee pain. The aim of the study was to compare quantitative dynamic contrast-enhanced magnetic resonance imaging (DCE-MRI) parameters, as imaging biomarkers of inflammation, and volume of the IPFP between patients with PFP and controls and between patients with and without IPFP edema or joint effusion. Methods Patients with PFP and healthy controls were included and underwent non-fat suppressed 3D fast-spoiled gradient-echo (FSPGR) and DCE-MRI. Image registration was applied to correct for motion. The IPFP was delineated on FSPGR using Horos software. Volume was calculated and quantitative perfusion parameters were extracted by fitting extended Tofts' pharmacokinetic model. Differences in volume and DCE-MRI parameters between patients and controls were tested by linear regression analyses. IPFP edema and effusion were analyzed identically. Results Forty-three controls and 35 PFP patients were included. Mean IPFP volume was 26.04 (4.18) mL in control subjects and 27.52 (5.37) mL in patients. Median Ktrans was 0.017 (0.016) min-1 in control subjects and 0.016 (0.020) min-1 in patients. None of the differences in volume and perfusion parameters were statistically significant. Knees with effusion showed a higher perfusion of the IPFP compared to knees without effusion in patients only. Conclusions The IPFP has been implicated as source of knee pain, but higher DCE-MR blood perfusion, an imaging biomarker of inflammation, and larger volume are not associated with PFP. Patient's knees with effusion showed a higher perfusion, pointing towards inflammation.
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Affiliation(s)
| | - Bas A de Vries
- Department of Radiology & Nuclear Medicine, Erasmus MC, Rotterdam, The Netherlands
| | - Dirk H J Poot
- Department of Radiology & Nuclear Medicine, Erasmus MC, Rotterdam, The Netherlands
| | | | | | - Gabriel P Krestin
- Department of Radiology & Nuclear Medicine, Erasmus MC, Rotterdam, The Netherlands
| | - Edwin H G Oei
- Department of Radiology & Nuclear Medicine, Erasmus MC, Rotterdam, The Netherlands
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23
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Belluzzi E, Macchi V, Fontanella CG, Carniel EL, Olivotto E, Filardo G, Sarasin G, Porzionato A, Granzotto M, Pozzuoli A, Berizzi A, Scioni M, Caro RD, Ruggieri P, Vettor R, Ramonda R, Rossato M, Favero M. Infrapatellar Fat Pad Gene Expression and Protein Production in Patients with and without Osteoarthritis. Int J Mol Sci 2020; 21:ijms21176016. [PMID: 32825633 PMCID: PMC7503946 DOI: 10.3390/ijms21176016] [Citation(s) in RCA: 53] [Impact Index Per Article: 13.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2020] [Revised: 08/14/2020] [Accepted: 08/19/2020] [Indexed: 11/16/2022] Open
Abstract
Osteoarthritis (OA) is one of the most common joint disorders. Evidence suggests that the infrapatellar fat pad (IFP) is directly involved in OA pathology. However, a comparison between OA versus non-OA IFP is still missing. Thus, the aim of this study was to compare IFP molecular, adipocytes and extracellular matrix characteristics of patients affected by OA, and patients undergoing anterior cruciate ligament (ACL) reconstruction. We hypothesized that not only inflammation but also changes in adipocytes and extracellular matrix (ECM) composition might be involved in OA pathogenesis. Fifty-three patients were enrolled. IFP biopsies were obtained, evaluating: (a) lymphocytic infiltration and vascularization; (b) adipocytes area and number; (c) adipo-cytokines and extracellular matrix gene expression levels; (d) IL-6 and VEGF protein production; (e) collagen fibers distribution. OA IFP was more inflamed and vascularized compared to ACL IFP. OA IFP adipocytes were larger and numerically lower (1.3-fold) than ACL IFP adipocytes. An increase of gene expression of typical white adipose tissue genes was observed in OA compared to ACL IFP. Collagen-types distribution was different in the OA IFP group compared to controls, possibly explaining the change of the biomechanical characteristics found in OA IFP. Statistical linear models revealed that the adipocyte area correlated with BMI in the OA group. In conclusion, inflammation and fibrotic changes of OA IFP could represent novel therapeutic targets to counteract OA.
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Affiliation(s)
- Elisa Belluzzi
- Musculoskeletal Pathology and Oncology Laboratory, Orthopedic and Traumatologic Clinic, Department of Surgery, Oncology and Gastroenterology (DISCOG), University of Padova, 35128 Padova, Italy; (E.B.); (A.P.)
| | - Veronica Macchi
- Institute of Human Anatomy, Department of Neurosciences, University of Padova, 35121 Padova, Italy; (V.M.); (G.S.); (A.P.); (R.D.C.)
- L.i.f.e. L.a.b. Program, Consorzio per la Ricerca Sanitaria (CORIS), Veneto Region, 35128 Padova, Italy
| | - Chiara Giulia Fontanella
- Department of Civil, Environmental and Architectural Engineering, University of Padova, 35131 Padova, Italy;
- Centre for Mechanics of Biological Materials, University of Padova, 35131 Padova, Italy;
| | - Emanuele Luigi Carniel
- Centre for Mechanics of Biological Materials, University of Padova, 35131 Padova, Italy;
- Department of Industrial Engineering, University of Padova, 35131 Padova, Italy
| | - Eleonora Olivotto
- RAMSES Laboratory, RIT Department, IRCCS Istituto Ortopedico Rizzoli, 40136 Bologna, Italy;
| | - Giuseppe Filardo
- Applied and Translational Research (ATR) Center, IRCCS Istituto Ortopedico Rizzoli, 40136 Bologna, Italy;
| | - Gloria Sarasin
- Institute of Human Anatomy, Department of Neurosciences, University of Padova, 35121 Padova, Italy; (V.M.); (G.S.); (A.P.); (R.D.C.)
| | - Andrea Porzionato
- Institute of Human Anatomy, Department of Neurosciences, University of Padova, 35121 Padova, Italy; (V.M.); (G.S.); (A.P.); (R.D.C.)
- L.i.f.e. L.a.b. Program, Consorzio per la Ricerca Sanitaria (CORIS), Veneto Region, 35128 Padova, Italy
| | - Marnie Granzotto
- Clinica Medica 3, Department of Medicine—DIMED, University of Padova, School of Medicine, 35128 Padova, Italy; (M.G.); (R.V.)
| | - Assunta Pozzuoli
- Musculoskeletal Pathology and Oncology Laboratory, Orthopedic and Traumatologic Clinic, Department of Surgery, Oncology and Gastroenterology (DISCOG), University of Padova, 35128 Padova, Italy; (E.B.); (A.P.)
| | - Antonio Berizzi
- Orthopaedic and Traumatologic Clinic, Department of Surgery, Oncology and Gastroenterology (DiSCOG), University of Padova, 35128 Padova, Italy; (A.B.); (P.R.)
| | - Manuela Scioni
- Department of Statistical Sciences, University of Padova, 35121 Padova, Italy;
| | - Raffaele De Caro
- Institute of Human Anatomy, Department of Neurosciences, University of Padova, 35121 Padova, Italy; (V.M.); (G.S.); (A.P.); (R.D.C.)
- L.i.f.e. L.a.b. Program, Consorzio per la Ricerca Sanitaria (CORIS), Veneto Region, 35128 Padova, Italy
| | - Pietro Ruggieri
- Orthopaedic and Traumatologic Clinic, Department of Surgery, Oncology and Gastroenterology (DiSCOG), University of Padova, 35128 Padova, Italy; (A.B.); (P.R.)
| | - Roberto Vettor
- Clinica Medica 3, Department of Medicine—DIMED, University of Padova, School of Medicine, 35128 Padova, Italy; (M.G.); (R.V.)
| | - Roberta Ramonda
- Rheumatology Unit, Department of Medicine-DIMED, University—Hospital of Padova, Via Giustiniani, 2, 35128 Padova, Italy; (R.R.); (M.F.)
| | - Marco Rossato
- Clinica Medica 3, Department of Medicine—DIMED, University of Padova, School of Medicine, 35128 Padova, Italy; (M.G.); (R.V.)
- Correspondence: ; Tel.: +39-049-8218747
| | - Marta Favero
- Rheumatology Unit, Department of Medicine-DIMED, University—Hospital of Padova, Via Giustiniani, 2, 35128 Padova, Italy; (R.R.); (M.F.)
- Internal Medicine I, Cà Foncello Hospital, 31100 Treviso, Italy
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24
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de Vries BA, van der Heijden RA, Poot DHJ, van Middelkoop M, Meuffels DE, Krestin GP, Oei EHG. Quantitative DCE-MRI demonstrates increased blood perfusion in Hoffa's fat pad signal abnormalities in knee osteoarthritis, but not in patellofemoral pain. Eur Radiol 2020; 30:3401-3408. [PMID: 32064564 PMCID: PMC7248045 DOI: 10.1007/s00330-020-06671-6] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2019] [Revised: 12/19/2019] [Accepted: 01/23/2020] [Indexed: 12/13/2022]
Abstract
OBJECTIVE Infrapatellar fat pad (IPFP) fat-suppressed T2 (T2FS) hyperintense regions on MRI are an important imaging feature of knee osteoarthritis (OA) and are thought to represent inflammation. These regions are also common in non-OA subjects, and may not always be linked to inflammation. Our aim was to evaluate quantitative blood perfusion parameters, as surrogate measure of inflammation, within T2FS-hyperintense regions in patients with OA, with patellofemoral pain (PFP) (supposed OA precursor), and control subjects. METHODS Twenty-two knee OA patients, 35 PFP patients and 43 healthy controls were included and underwent MRI, comprising T2 and DCE-MRI sequences. T2FS-hyperintense IPFP regions were delineated and a reference region was drawn in adjacent IPFP tissue with normal signal intensity. After fitting the extended Tofts pharmacokinetic model, quantitative DCE-MRI perfusion parameters were compared between the two regions within subjects in each subgroup, using a paired Wilcoxon signed-rank test. RESULTS T2FS-hyperintense IPFP regions were present in 16 of 22 (73%) OA patients, 13 of 35 (37%) PFP patients, and 14 of 43 (33%) controls. DCE-MRI perfusion parameters were significantly different between regions with and without a T2FS-hyperintense signal in OA patients, demonstrating higher Ktrans compared to normal IFPF tissue (0.039 min-1 versus 0.025 min-1, p = 0.017) and higher Ve (0.157 versus 0.119, p = 0.010). For PFP patients and controls no significant differences were found. CONCLUSIONS IPFP T2FS-hyperintense regions are associated with higher perfusion in knee OA patients in contrast to identically appearing regions in PFP patients and controls, pointing towards an inflammatory pathogenesis in OA only. KEY POINTS • Morphologically identical appearing T2FS-hyperintense infrapatellar fat pad regions show different perfusion in healthy subjects, subjects with patellofemoral pain, and subjects with knee osteoarthritis. • Elevated DCE-MRI perfusion parameters within T2FS-hyperintense infrapatellar fat pad regions in patients with osteoarthritis suggest an inflammatory pathogenesis in osteoarthritis, but not in patellofemoral pain and healthy subjects.
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Affiliation(s)
- Bas A de Vries
- Department of Radiology & Nuclear Medicine, Erasmus University Medical Center Rotterdam, Rotterdam, The Netherlands
| | - Rianne A van der Heijden
- Department of Radiology & Nuclear Medicine, Erasmus University Medical Center Rotterdam, Rotterdam, The Netherlands
| | - Dirk H J Poot
- Department of Radiology & Nuclear Medicine, Erasmus University Medical Center Rotterdam, Rotterdam, The Netherlands
- Department of Medical Informatics, Erasmus University Medical Center Rotterdam, Rotterdam, The Netherlands
| | - Marienke van Middelkoop
- Department of General Practice, Erasmus University Medical Center Rotterdam, Rotterdam, The Netherlands
| | - Duncan E Meuffels
- Department of Orthopedic Surgery, Erasmus University Medical Center Rotterdam, Rotterdam, The Netherlands
| | - Gabriel P Krestin
- Department of Radiology & Nuclear Medicine, Erasmus University Medical Center Rotterdam, Rotterdam, The Netherlands
| | - Edwin H G Oei
- Department of Radiology & Nuclear Medicine, Erasmus University Medical Center Rotterdam, Rotterdam, The Netherlands.
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25
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Kijowski R, Demehri S, Roemer F, Guermazi A. Osteoarthritis year in review 2019: imaging. Osteoarthritis Cartilage 2020; 28:285-295. [PMID: 31877380 DOI: 10.1016/j.joca.2019.11.009] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/31/2019] [Revised: 10/17/2019] [Accepted: 11/15/2019] [Indexed: 02/02/2023]
Abstract
OBJECTIVE To provide a narrative review of original articles on osteoarthritis (OA) imaging published between April 1, 2018 and March 30, 2019. METHODS All original research articles on OA imaging published in English between April 1, 2018 and March 30, 2019 were identified using a PubMed database search. The search terms of "Osteoarthritis" or "OA" were combined with the search terms "Radiography", "X-Rays", "Magnetic Resonance Imaging", "MRI", "Ultrasound", "US", "Computed Tomography", "Dual Energy X-Ray Absorptiometry", "DXA", "DEXA", "CT", "Nuclear Medicine", "Scintigraphy", "Single-Photon Emission Computed Tomography", "SPECT", "Positron Emission Tomography", "PET", "PET-CT", or "PET-MRI". Articles were reviewed to determine relevance based upon the following criteria: 1) study involved human subjects with OA or risk factors for OA and 2) study involved imaging to evaluate OA disease status or OA treatment response. Relevant articles were ranked according to scientific merit, with the best publications selected for inclusion in the narrative report. RESULTS The PubMed search revealed a total of 1257 articles, of which 256 (20.4%) were considered relevant to OA imaging. Two-hundred twenty-six (87.1%) articles involved the knee joint, while 195 (76.2%) articles involved the use of magnetic resonance imaging (MRI). The proportion of published studies involving the use of MRI was higher than previous years. An increasing number of articles were also published on imaging of subjects with joint injury and on deep learning application in OA imaging. CONCLUSION MRI and other imaging modalities continue to play an important role in research studies designed to better understand the pathogenesis, progression, and treatment of OA.
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Affiliation(s)
- R Kijowski
- Department of Radiology, University of Wisconsin-Madison, Madison, WI, USA.
| | - S Demehri
- Department of Radiology, Johns Hopkins University, Baltimore, MD, USA.
| | - F Roemer
- Department of Radiology, Boston University, Boston, MA, USA; Department of Radiology, Friedrich-Alexander University Erlangen-Nürnberg (FAU), Universitätsklinikum Erlangen, Erlangen, Germany.
| | - A Guermazi
- Department of Radiology, Boston University, Boston, MA, USA.
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26
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Berenbaum F, Walker C. Osteoarthritis and inflammation: a serious disease with overlapping phenotypic patterns. Postgrad Med 2020; 132:377-384. [PMID: 32100608 DOI: 10.1080/00325481.2020.1730669] [Citation(s) in RCA: 56] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Abstract
Globally, osteoarthritis (OA) is the most prevalent arthritic condition in those aged over 60 years. OA has a high impact on patient disability and is associated with a significant economic burden. Pain is the most common first sign of disease and the leading cause of disability. Data demonstrating the increasing global prevalence of OA, together with a greater understanding of the burden of the disease, have led to a reassessment of the seriousness of OA and calls for the designation of OA as a serious disease in line with the diseases impact on comorbidity, disability, and mortality. While OA was traditionally seen as a prototypical 'wear and tear' disease, it is now more accurately thought of as a disease of the whole joint involving cartilage together with subchondral bone and synovium. As more has become known of the pathophysiology of OA, it has become increasingly common for it to be described using a number of overlapping phenotypes. Patients with OA will likely experience multiple phenotypes during their disease. This review focuses on what we feel are three key phenotypes: post-trauma, metabolic, and aging. A greater understanding of OA phenotypes, particularly at the early stages of disease, may be necessary to improve treatment outcomes. In the future, non-pharmacological and pharmacological treatments could be tailored to patients based on the key features of their phenotype and disease pathway.
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Affiliation(s)
- Francis Berenbaum
- INSERM CRSA, Department of Rheumatology, Hospital Saint Antoine, AP-HP.Sorbonne Université , Paris, France
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Li J, Sheng B, Liu X, Yu F, Lv F, Lv F, Yang H. Sharp margin of antero-inferior lateral femoral condyle as a risk factor for patellar tendon-lateral femoral condyle friction syndrome. Eur Radiol 2020; 30:2261-2269. [PMID: 31900701 DOI: 10.1007/s00330-019-06592-z] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2019] [Revised: 11/10/2019] [Accepted: 11/13/2019] [Indexed: 01/17/2023]
Abstract
OBJECTIVE To determine the correlation between patellar tendon-lateral femoral condyle friction syndrome (PLFFS) and the morphological characteristics of the antero-inferior part of the lateral femoral condyle (ALFC) to explore the potential pathogenesis. METHODS A total of 170 knees of 140 patients with PLFFS (PLFFS group) were retrospectively analyzed using magnetic resonance imaging (MRI) data for a 4-year period from our database. The Insall-Salvati ratio, shape of the ALFC (SALFC, defined as two subtypes: sharp versus blunt), lateral femoral condyle angle (LFCA), lateral trochlear length (LTL), and lateral trochlear height (LTH) were measured on MRI. Two groups were enrolled as controls: pure patella alta group (n = 192) and normal group (n = 172). All the parameters of the PLFFS group were compared with those of the two control groups. RESULTS The LFCA was significantly lower (p < 0.001) in the PLFFS group than in the pure patella alta group. The SALFC was significantly different (p < 0.001) in these two groups, whereas the Insall-Salvati ratio, LTH, and LTL showed no significant difference. The LFCA, LTH, SALFC, and the Insall-Salvati ratio in the PLFFS group were also significantly different (p < 0.001) with the normal group. Receiver operating characteristic (ROC) analysis showed the efficacy of the Insall-Salvati ratio and SALFC was better than that of the other parameters. CONCLUSIONS The morphological characteristics of ALFC are correlated with PLFFS. The sharp shape of ALFC may be an important causative co-factor along with patella alta in the pathogenesis of PLFFS. KEY POINTS • A sharp margin of the antero-inferior lateral femoral condyle is an important risk factor for the development of PLFFS in patients with patella alta. • Antero-inferior femoral condyle shape can easily be assessed with high intra- and inter-reader reliability PLFFS. • PLFFS is more common in young adults.
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Affiliation(s)
- Jia Li
- Department of Radiology, The First Affiliated Hospital of Chongqing Medical University, 1 Youyi Road, Yuzhong Distract, Chongqing, 400016, People's Republic of China
| | - Bo Sheng
- Department of Radiology, The First Affiliated Hospital of Chongqing Medical University, 1 Youyi Road, Yuzhong Distract, Chongqing, 400016, People's Republic of China
| | - Xin Liu
- Department of Radiology, The First Affiliated Hospital of Chongqing Medical University, 1 Youyi Road, Yuzhong Distract, Chongqing, 400016, People's Republic of China
| | - Fan Yu
- Department of Radiology, The First Affiliated Hospital of Chongqing Medical University, 1 Youyi Road, Yuzhong Distract, Chongqing, 400016, People's Republic of China
| | - Fajin Lv
- Department of Radiology, The First Affiliated Hospital of Chongqing Medical University, 1 Youyi Road, Yuzhong Distract, Chongqing, 400016, People's Republic of China
| | - Furong Lv
- Department of Radiology, The First Affiliated Hospital of Chongqing Medical University, 1 Youyi Road, Yuzhong Distract, Chongqing, 400016, People's Republic of China
| | - Haitao Yang
- Department of Radiology, The First Affiliated Hospital of Chongqing Medical University, 1 Youyi Road, Yuzhong Distract, Chongqing, 400016, People's Republic of China.
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