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Luo H, Zheng Z, Xiong Y, Xu H, Xue Q, Sun C. Association between folate intake and radiographic progression, pain function scores in subjects with radiographic knee osteoarthritis: Data from the osteoarthritis initiative. Int J Rheum Dis 2024; 27:e15333. [PMID: 39246020 DOI: 10.1111/1756-185x.15333] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2024] [Revised: 08/10/2024] [Accepted: 08/28/2024] [Indexed: 09/10/2024]
Abstract
BACKGROUND Folate has an important role in the functioning of the musculoskeletal system, including modulation of inflammation, immunity, cartilage regeneration, prevention of osteoporosis, and maintenance of muscle strength, but evidence on the association between folate intake and knee pain, functional scores, and radiographic progression in patients with knee osteoarthritis (OA) is still limited. METHODOLOGY Our population-based cohort was extracted from the osteoarthritis initiative (OAI), focusing on individuals with prevalent radiographic knee OA (with a Kellgren-Lawrence score ≥2). Folate consumption was determined using the food frequency questionnaire. Data regarding the Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC) scores and radiographic readings were collected over 48 months. We analyzed the compiled data using generalized additive mixed models. RESULTS Our cohort consisted of 1472 OA patients (626 men and 846 women, mean [SD] age 62.35 [8.92]). At the 48-month follow-up, we observed a significant correlation between higher folate intake and a slower progression of knee pain and functional scores, as evidenced by a statistically significant decrease in the WOMAC total score, WOMAC pain subscale score, and WOMAC function/disability subscale score (p < .05). The fully adjusted models estimated a reduction of -0.028 points per 50 μg/1000 kcal of daily folate intake on the WOMAC pain subscale, -0.117 points on the WOMAC function subscale, and -0.160 points on the total WOMAC scale. Furthermore, our nonparametric fit analysis suggested that a higher intake of folate might decelerate the radiographic progression of OA. Stratified analyses indicated that an increase in folate consumption might particularly benefit men, older adults, overweight and obese individuals, and those with a higher dietary fiber intake. CONCLUSION Higher folate intake is correlated with improved knee function and reduced pain in patients with knee OA and might deter the radiographic progression of OA. The benefits appear to be more pronounced in men, older adults, overweight and obese individuals, and those with a higher dietary fiber intake.
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Affiliation(s)
- Huanhuan Luo
- Department of Nursing, Beijing Hospital, National Center of Gerontology, Institute of Geriatric Medicine, Chinese Academy of Medical Science, Beijing, P.R. China
- Graduate School of Peking Union Medical College, Beijing, P.R. China
| | - Zitian Zheng
- Beijing Key Laboratory of Sports Injuries, Department of Sports Medicine, Institute of Sports Medicine of Peking University, Engineering Research Center of Sports Trauma Treatment Technology and Devices, Ministry of Education, Peking University Third Hospital, Beijing, P.R. China
- Department of Orthopedics, Beijing Hospital, National Center of Gerontology, Institute of Geriatric Medicine, Chinese Academy of Medical Sciences, Beijing, P.R. China
- Peking University Fifth School of Clinical Medicine, Beijing, P.R. China
| | - Yujun Xiong
- Department of Gastroenterology, Beijing Hospital, National Center of Gerontology, Institute of Geriatric Medicine, Chinese Academy of Medical Sciences, Beijing, P.R. China
| | - Huazhao Xu
- Hospital Administration Office, Beijing Hospital, National Center of Gerontology, Institute of Geriatric Medicine, Chinese Academy of Medical Sciences, Beijing, P.R. China
| | - Qingyun Xue
- Department of Orthopedics, Beijing Hospital, National Center of Gerontology, Institute of Geriatric Medicine, Chinese Academy of Medical Sciences, Beijing, P.R. China
- Peking University Fifth School of Clinical Medicine, Beijing, P.R. China
| | - Chao Sun
- Department of Nursing, Beijing Hospital, National Center of Gerontology, Institute of Geriatric Medicine, Chinese Academy of Medical Science, Beijing, P.R. China
- Graduate School of Peking Union Medical College, Beijing, P.R. China
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Khury F, Oltmanns M, Unseld T, Fuchs M, Reichel H, Faschingbauer M. Which Knee Phenotypes Exhibit the Strongest Correlation With Cartilage Degeneration? Clin Orthop Relat Res 2024; 482:500-510. [PMID: 37703204 PMCID: PMC10871747 DOI: 10.1097/corr.0000000000002831] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/14/2022] [Accepted: 07/27/2023] [Indexed: 09/15/2023]
Abstract
BACKGROUND Although articular wear has been thoroughly investigated, the effects of abnormal limb alignment on cartilage degeneration over time remain poorly understood. An exact assessment of the correlation between lower limb alignment abnormalities and MRI-observed articular degradation may be helpful for understanding the progression of osteoarthritis and planning future treatment. QUESTION/PURPOSE In patients with moderate to advanced osteoarthritis, (1) is there a correlation between overall alignment of the knee and the location of cartilage degradation over time, as measured by cartilage metrics on MRI? (2) Is there a correlation between tibial alignment and the location of cartilage degradation over time, as measured by cartilage metrics on MRI? (3) Is there a correlation between femoral alignment and the location of cartilage degradation over time, as measured by cartilage metrics on MRI? METHODS Between April 2020 and September 2022, we retrospectively evaluated 3106 patients aged 45 to 79 years who were at risk of experiencing knee osteoarthritis. Of those, we considered as potentially eligible 600 symptomatic index knees with radiographic evidence of osteoarthritis-Kellgren-Lawrence Grades 2 or 3-at the baseline visit. Of those, 22% (134 of 600) were excluded because of a lack of proper alignment measurements, leaving 466 knees with measurements of radiologic alignment angles and quantitative MRI cartilage measurements of 16 subregions of the femorotibial compartment at baseline and 12 and 24 months, and 64 knees at the 48-month visit for investigation in the current study. Data regarding cartilage measurements of the patellofemoral compartment were not available for analysis. The knees were categorized into one of the possible 25 different phenotypes of the lower extremity established by previous research, based on the neutral, valgus, or varus distal mechanical angle of the femur and proximal tibial mechanical angle on full-limb radiographs. We applied ANOVA to estimate the effect size of the overall, femoral, and tibial alignments on the location of cartilage degradation over time, as measured by cartilage metrics on MRI. RESULTS We found that the overall combinations of a valgus femur with valgus tibia or a valgus femur with varus tibia were associated with the highest loss of cartilage in the internal medial tibial subregion and anterior lateral tibial subregion (η 2 p = 0.39 and 0.17, respectively). For the tibia, we found that the combination of a valgus femur with valgus tibia was associated with an increase in the area of subchondral bone denuded of cartilage in the central lateral tibial subregion (η 2 p = 0.2). For the femur, we found that the combination of a valgus femur with valgus tibia was associated with loss of cartilage thickness in the central weightbearing lateral femorotibial compartment (η 2 p = 0.15). CONCLUSION We found that certain alignment patterns are associated with rapid deterioration of cartilage and exposure of subchondral bone, even over short time periods. In particular, the valgus femur with valgus tibia and valgus femur with varus tibia phenotypes deserve special attention, because they exhibited a strong, atypical correlation with the internal medial tibial subregion and anterior lateral tibial subregion, respectively. This is important because valgus and varus malalignment cause isolated lateral and medial compartment disease, respectively. Therefore, these findings suggest that a more individualized approach for limb axis deformities is valuable, and hint at a more meticulous radiologic and clinical investigation, perhaps using different imaging modalities, especially when assessing the exact cartilage state and planning an intervention. Future studies, ideally biomechanical, might help in assessing the long-term effects of the various phenotypes on cartilage degradation and their relevance in reconstructive surgery. LEVEL OF EVIDENCE Level II, prognostic study.
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Affiliation(s)
- Farouk Khury
- Department of Orthopedic Surgery, University of Ulm, Ulm, Germany
- Division of Orthopedic Surgery, Rambam Medical Center, The Ruth and Bruce Rappaport Faculty of Medicine, Haifa, Israel
| | - Moritz Oltmanns
- Department of Orthopedic Surgery, University of Ulm, Ulm, Germany
| | - Theresa Unseld
- Institute of Epidemiology and Medical Biometry, University of Ulm, Ulm, Germany
| | - Michael Fuchs
- Department of Orthopedic Surgery, University of Ulm, Ulm, Germany
| | - Heiko Reichel
- Department of Orthopedic Surgery, University of Ulm, Ulm, Germany
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Wang X, Chen T, Liang W, Fan T, Zhu Z, Cao P, Ruan G, Zhang Y, Chen S, Wang Q, Li S, Huang Y, Zeng M, Hunter DJ, Li J, Ding C. Synovitis mediates the association between bone marrow lesions and knee pain in osteoarthritis: data from the Foundation for the National Institute of Health (FNIH) Osteoarthritis Biomarkers Consortium. Osteoarthritis Cartilage 2022; 30:1270-1277. [PMID: 35750239 DOI: 10.1016/j.joca.2022.06.004] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/23/2021] [Revised: 05/16/2022] [Accepted: 06/13/2022] [Indexed: 02/02/2023]
Abstract
OBJECTIVES Although subchondral bone marrow lesions (BMLs) and synovitis have been well acknowledged as important sources of pain in knee osteoarthritis (KOA), it is unclear if synovitis plays the mediating role in the relationship between BMLs and knee pain. METHODS We analyzed 600 subjects with magnetic resonance imaging (MRI) in the Foundation for National Institutes of Health Osteoarthritis Biomarkers Consortium (FNIH) cohort at baseline and 24-month. BMLs and synovitis were measured according to the MRI Osteoarthritis Knee Score (MOAKS) scoring system. BMLs were scored in five subregions. A summary synovitis score of effusion and Hoffa-synovitis was calculated. Knee pain was evaluated using the Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC). Linear regression models were applied to analyze the natural direct effect (NDE) of BMLs and synovitis with knee pain, respectively, and natural indirect effect (NIE) mediated by synovitis. RESULTS 590 participants (58.8% females, with a mean age of 61.5) were included in the present analyses. For NDE, knee pain was cross-sectionally associated with medial femorotibial BMLs (β = 0.23, 95% CI: 0.09, 0.38) and synovitis (β = 0.40, 95% CI: 0.20, 0.60). Longitudinal associations retained significant [medial femorotibial BMLs (β = 0.37, 95% CI: 0.21, 0.53); synovitis (β = 0.72, 95% CI: 0.45, 0.99)]. In the NIE analyses, synovitis mediated the association between medial femorotibial BML and knee pain at baseline (β = 0.051, 95% CI: 0.01, 0.09) and over 24 months (β = 0.079, 95% CI: 0.023, 0.15), with the mediating proportion of 17.8% and 22.4%, respectively. CONCLUSION Synovitis partially mediates the association between medial femorotibial BMLs and knee pain.
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Affiliation(s)
- X Wang
- Clinical Research Centre, Zhujiang Hospital, Southern Medical University, Guangzhou, Guangdong, China; Department of Orthopedics, Zhujiang Hospital, Southern Medical University, Guangzhou, Guangdong, China.
| | - T Chen
- Clinical Research Centre, Zhujiang Hospital, Southern Medical University, Guangzhou, Guangdong, China; Department of Orthopedics, The Third Affiliated Hospital of Southern Medical University, Guangzhou, Guangdong, China.
| | - W Liang
- Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, Guangdong, China.
| | - T Fan
- Clinical Research Centre, Zhujiang Hospital, Southern Medical University, Guangzhou, Guangdong, China.
| | - Z Zhu
- Clinical Research Centre, Zhujiang Hospital, Southern Medical University, Guangzhou, Guangdong, China.
| | - P Cao
- Clinical Research Centre, Zhujiang Hospital, Southern Medical University, Guangzhou, Guangdong, China.
| | - G Ruan
- Guangzhou First People's Hospital, School of Medicine, South China University of Technology, Guangzhou, Guangdong, China.
| | - Y Zhang
- Clinical Research Centre, Zhujiang Hospital, Southern Medical University, Guangzhou, Guangdong, China.
| | - S Chen
- Clinical Research Centre, Zhujiang Hospital, Southern Medical University, Guangzhou, Guangdong, China.
| | - Q Wang
- Clinical Research Centre, Zhujiang Hospital, Southern Medical University, Guangzhou, Guangdong, China.
| | - S Li
- Clinical Research Centre, Zhujiang Hospital, Southern Medical University, Guangzhou, Guangdong, China.
| | - Y Huang
- Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, Guangdong, China.
| | - M Zeng
- Clinical Research Centre, Zhujiang Hospital, Southern Medical University, Guangzhou, Guangdong, China.
| | - D J Hunter
- Department of Rheumatology, Royal North Shore Hospital and Institute of Bone and Joint Research, Kolling Institute, University of Sydney, Australia.
| | - J Li
- Division of Orthopaedic Surgery, Department of Orthopaedics, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong, China.
| | - C 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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Fontalis A, Haddad FS. Roentgen stereophotogrammetric analysis: still a very valuable tool in the orthopaedic research armamentarium. Bone Joint Res 2022; 11:210-213. [PMID: 35369732 PMCID: PMC9057520 DOI: 10.1302/2046-3758.114.bjr-2021-0593.r1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/26/2022] Open
Affiliation(s)
- Andreas Fontalis
- Division of Surgery & Interventional Science, University College London, London, UK.,Department of Trauma and Orthopaedics, University College London Hospitals NHS Foundation Trust, London, UK
| | - Fares S Haddad
- Division of Surgery & Interventional Science, University College London, London, UK.,Department of Trauma and Orthopaedics, University College London Hospitals NHS Foundation Trust, London, UK.,Institute of Sport, Exercise and Health, London, UK.,The Bone & Joint Journal , The British Editorial Society of Bone & Joint Surgery, London, UK
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Sekiya I, Sasaki S, Miura Y, Aoki H, Katano H, Okanouchi N, Tomita M, Masumoto J, Koga H, Ozeki N. Medial Tibial Osteophyte Width Strongly Reflects Medial Meniscus Extrusion Distance and Medial Joint Space Width Moderately Reflects Cartilage Thickness in Knee Radiographs. J Magn Reson Imaging 2022; 56:824-834. [PMID: 35084789 PMCID: PMC9544412 DOI: 10.1002/jmri.28079] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2021] [Revised: 01/13/2022] [Accepted: 01/13/2022] [Indexed: 12/22/2022] Open
Abstract
BACKGROUND The presence of medial tibial osteophytes on knee radiographs suggests cartilage wear, but may be associated with medial meniscus extrusion (MME). The joint space width of the medial compartment consists anatomically of cartilage and the medial meniscus, but which is most responsible for joint space narrowing remains unclear. Magnetic resonance imaging (MRI) reveals MME and cartilage thickness. PURPOSES To determine which radiographic medial tibial osteophyte width correlates better with cartilage thickness or MME distance and which radiographic medial joint space width correlates better with cartilage thickness or MME distance. STUDY TYPE Cross-sectional. POPULATION Total of 527 subjects, 253 females and 274 males, aged 30-79 years, included in the Kanagawa Knee Study. FIELD STRENGTH/SEQUENCE 3 T/fat-suppressed spoiled gradient echo and proton density weighted. ASSESSMENT The medial tibial osteophyte width and "the minimum joint space width at the medial compartment" (mJSW) were measured from plain radiographs. The cartilage region was automatically extracted from MRI data using software. The medial femoral and tibial cartilage regions were each divided into nine subregions, and the average thickness of the cartilage was determined in each region and subregion. MME was manually measured by two orthopedic surgeons using MRI coronal section images. STATISTICAL TESTS Pearson's correlation coefficient and their comparison, with P < 0.05 considered statistically significant. RESULTS The absolute values of the correlation coefficients were 0.33 at maximum between osteophyte width and cartilage thickness and 0.76 between osteophyte width and MME; the value was significantly higher with MME than with cartilage thickness (P < 0.001). The absolute values of the correlation coefficients were 0.50 at maximum between mJSW and cartilage thickness and 0.16 between mJSW and MME; the value was significantly higher with cartilage thickness than with MME (P < 0.001). DATA CONCLUSION The medial tibial osteophyte width strongly reflected MME and the medial joint space width moderately reflected cartilage thickness. LEVEL OF EVIDENCE 3 TECHNICAL EFFICACY STAGE: 3.
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Affiliation(s)
- Ichiro Sekiya
- Center for Stem Cell and Regenerative Medicine, Tokyo Medical and Dental University, Tokyo, Japan
| | - Sho Sasaki
- Center for Stem Cell and Regenerative Medicine, Tokyo Medical and Dental University, Tokyo, Japan
| | - Yugo Miura
- Center for Stem Cell and Regenerative Medicine, Tokyo Medical and Dental University, Tokyo, Japan
| | - Hayato Aoki
- Center for Stem Cell and Regenerative Medicine, Tokyo Medical and Dental University, Tokyo, Japan
| | - Hisako Katano
- Center for Stem Cell and Regenerative Medicine, Tokyo Medical and Dental University, Tokyo, Japan
| | - Noriya Okanouchi
- Center for Stem Cell and Regenerative Medicine, Tokyo Medical and Dental University, Tokyo, Japan.,Kanagawa Institute of Industrial Science and Technology, Kanagawa, Japan
| | - Makoto Tomita
- School of Data Science, Graduate School of Data Science, Yokohama City University, Kanagawa, Japan
| | | | - Hideyuki Koga
- Department of Joint Surgery and Sports Medicine, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, Tokyo, Japan
| | - Nobutake Ozeki
- Center for Stem Cell and Regenerative Medicine, Tokyo Medical and Dental University, Tokyo, Japan
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