Displaying publications 41 - 60 of 185 in total

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  1. Fulltext Acetabulum Protrusion Following Ceramic Liner Fracture: A Case Report
    Aytekin K, Esenyel CZ
    Malays Orthop J, 2018 Mar;12(1):45-47.
    PMID: 29725513 DOI: 10.5704/MOJ.1803.010
    Hip arthroplasty is an extremely satisfying treatment method for coxarthrosis which is in increasing use throughout the world. However, loosening of the prosthesis is a significant complication and to overcome this, ceramic liners are increasingly being selected. If the survival of ceramic surfaces is prolonged, there is a risk of fracture of the ceramic materials. New ceramic materials developed to overcome this problem are more resistant. The case presented here is of a patient in whom liner fracture developed following ceramic-ceramic hip arthroplasty. The ceramic femoral head was observed to have protruded into the defect created in the acetabular component. Acetabular revision was applied to the patient.
    Matched MeSH terms: Osteoarthritis, Hip
  2. Ethnic Differences in Preoperative Patient Characteristics and Postoperative Functional Outcomes after Total Knee Arthroplasty among Chinese, Malays and Indians
    Shah NZ, Malhotra R, Hong CC, Sng JB, Kong CH, Shen L, et al.
    Ann Acad Med Singap, 2018 05;47(5):201-205.
    PMID: 29911739
    Matched MeSH terms: Osteoarthritis, Knee/ethnology*; Osteoarthritis, Knee/physiopathology; Osteoarthritis, Knee/surgery
  3. Fulltext Extracellular Vesicles in the Synovial Joint: Is there a Role in the Pathophysiology of Osteoarthritis?
    Esa A, Connolly KD, Williams R, Archer CW
    Malays Orthop J, 2019 Mar;13(1):1-7.
    PMID: 31001376 DOI: 10.5704/MOJ.1903.012
    The role of extracellular vesicles (EV) in osteoarthritis has become the focus of much research. These vesicles were isolated from several cell types found in synovial joint including chondrocytes and synovium. As articular cartilage is an avascular tissue surrounded by synovial fluid, it is believed that EV might play a crucial role in the homeostasis of cartilage and also could hold key information in the pathogenesis of osteoarthritis. This is thought to be due to activation of pro-inflammatory factors leading to a catabolic state and degradation of cartilage. In addition, due to the nature of articular cartilage lacking neuronal innervation, knowledge of EV can contribute to identification of novel biomarkers in this debilitating condition. This can be either directly isolated from aspirate of synovial fluid or from peripheral blood. Finally, EVs are known to shuttle important signalling molecules which can be utilised as unique modality in transferring therapeutic compounds in a cell free manner.
    Matched MeSH terms: Osteoarthritis
  4. Long Term Follow-up of an Open Bicondylar Hoffa Fracture with a Disrupted Extensor Mechanism: A Case Report
    Joseph CM, Rama-Prasad YS, Boopalan P, Jepegnanam TS
    Malays Orthop J, 2019 Jul;13(2):59-62.
    PMID: 31467656 DOI: 10.5704/MOJ.1907.013
    This is the first report of a long-term follow-up of an open bicondylar Hoffa with patella fracture. It is interesting to note the radiological changes of osteoarthritis 15 years after global intra-articular injury of the distal femur. The good clinical outcome is possibly due to the integrity of the knee ligaments and reconstruction of the extensor mechanism in addition to stable anatomical reduction and fixation.
    Matched MeSH terms: Osteoarthritis
  5. Fulltext Alcohol neurolysis of genicular nerve for chronic knee pain
    Dass RM, Kim E, Kim HK, Lee JY, Lee HJ, Rhee SJ
    Korean J Pain, 2019 Jul 01;32(3):223-227.
    PMID: 31257831 DOI: 10.3344/kjp.2019.32.3.223
    Radiofrequency neurolysis (RFN) of the genicular nerves has recently become accepted as an effective technique to alleviate knee pain particularly in patients with knee osteoarthritis (OA) or postoperative pain. However, genicular nerve RFN can produce high procedure and equipment costs, longer procedural times, procedure-related pain, and failure rate of over 25%. We are presenting two cases of alcohol neurolysis of the genicular nerve using fluoroscopy and ultrasonography in patients with knee OA or persistent postsurgical pain of the knee. Alcohol neurolysis of the genicular nerve with dual imaging modality can be a cheap, safe and effective method in patients with chronic knee pain.
    Matched MeSH terms: Osteoarthritis, Knee
  6. Statistical shape modelling of the first carpometacarpal joint reveals high variation in morphology
    Rusli WMR, Kedgley AE
    Biomech Model Mechanobiol, 2020 Aug;19(4):1203-1210.
    PMID: 31754950 DOI: 10.1007/s10237-019-01257-8
    The first carpometacarpal (CMC) joint, located at the base of the thumb and formed by the junction between the first metacarpal and trapezium, is a common site for osteoarthritis of the hand. The shape of both the first metacarpal and trapezium contributes to the intrinsic bony stability of the joint, and variability in the morphology of both these bones can affect the joint's function. The objectives of this study were to quantify the morphological variation in the complete metacarpal and trapezium and determine any correlation between anatomical features of these two components of the first CMC joint. A multi-object statistical shape modelling pipeline, consisting of scaling, hierarchical rigid registration, non-rigid registration and projection pursuit principal component analysis, was implemented. Four anatomical measures were quantified from the shape model, namely the first metacarpal articular tilt and torsion angles and the trapezium length and width. Variations in the first metacarpal articular tilt angle (- 6.3° 
    Matched MeSH terms: Osteoarthritis
  7. Does acupuncture improve pain and function in people with hip osteoarthritis? A Cochrane Review summary with commentary
    Chan SC, Patrick Engkasan J
    Int J Rheum Dis, 2020 Dec;23(12):1741-1743.
    PMID: 33118670 DOI: 10.1111/1756-185X.13948
    Matched MeSH terms: Osteoarthritis, Hip/complications; Osteoarthritis, Hip/physiopathology; Osteoarthritis, Hip/rehabilitation*
  8. Fulltext Proximal stability assessment of knee osteoarthritis patients
    D Maryama, A.D., Nur Rasyiqah, A.R.
    Medicine & Health, 2018;13(2):145-157.
    MyJurnal
    Proximal stability consists of core and hip stability play a significant role in supporting the body weight in stationary and in motion. Thus, proximal stability could contribute to knee osteoarthritis (OA). Therefore, this study was carried out to determine the core stability and hip stability of knee OA patients. A total of thirty-two women aged between 45 to 60 years had volunteered to participate in this study, comprised of 16 knee OA patients and 16 normal. Hip stability was assessed using hip crossover test and core stability was assessed using core muscle endurance, core muscle strength and core muscle flexibility. Data of hip stability, core muscle strength and flexibility were analyzed using chi-square; and core muscle endurance data were analyzed using independent sample t-test. Compared to normal subjects, knee OA patients have poor hip stability [Hip Crossover Test (λ=0.500, p=0.033)] and core stability. Core stability was assessed based on core muscle strength [abdominal muscles (χ=12.157, p
    Matched MeSH terms: Osteoarthritis, Knee
  9. Fulltext Effectiveness of Health-Led Cognitive Behavioral-Based Group Therapy on Pain, Functional Disability and Psychological Outcomes among Knee Osteoarthritis Patients in Malaysia
    Foo CN, Arumugam M, Lekhraj R, Lye MS, Mohd-Sidik S, Jamil Osman Z
    Int J Environ Res Public Health, 2020 08 26;17(17).
    PMID: 32858791 DOI: 10.3390/ijerph17176179
    BACKGROUND: Psychosocial interventions for patients with osteoarthritis (OA) of the knee to reduce pain and improve physical and psychological functioning are still lacking in Malaysia.

    METHODS: A parallel-group unblinded randomized controlled trial involving 300 patients was conducted in two hospital orthopedics clinics in Malaysia. Patients were randomly assigned to receive cognitive behavioral-based group therapy (n = 150) or no further intervention (n = 150). The primary outcome was the change from baseline in knee pain as determined by the Knee injury and Osteoarthritis Outcome Score (KOOS) at 6 months. The data collected were analyzed by covariate-adjusted mixed design repeated measures analysis of variance. All analyses were performed under the terms of intention-to-treat.

    RESULTS: At 6 months, mean change from baseline in the KOOS knee pain score was 0.6 points (95% CI -1.73 to 2.94) in the control group and 8.9 points (95% CI 6.62 to 11.23) (denoting less knee pain intensity) in the intervention group (significant treatment effect p < 0.0001). Patients treated with such an approach also experienced significant improvement in functional ability when performing activities of daily living and had improved ability to cope with depression, anxiety and pain catastrophizing.

    CONCLUSION: The intervention module delivered by healthcare professionals had a sustained effect on knee OA pain and functionality over 6 months, thereby leading to an overall improvement in psychological well-being, thus benefitting most of the Malaysian knee OA patients.

    Matched MeSH terms: Osteoarthritis, Knee/epidemiology; Osteoarthritis, Knee/psychology*; Osteoarthritis, Knee/therapy*
  10. Fulltext Relative efficacy of topical non-steroidal anti-inflammatory drugs and topical capsaicin in osteoarthritis: protocol for an individual patient data meta-analysis
    Persson MS, Fu Y, Bhattacharya A, Goh SL, van Middelkoop M, Bierma-Zeinstra SM, et al.
    Syst Rev, 2016 Sep 26;5(1):165.
    PMID: 27686859
    BACKGROUND: Pain is the most troubling issue to patients with osteoarthritis (OA), yet current pharmacological treatments offer only small-to-moderate pain reduction. Current guidelines therefore emphasise the need to identify predictors of treatment response. In line with these recommendations, an individual patient data (IPD) meta-analysis will be conducted. The study aims to investigate the relative treatment effects of topical non-steroidal anti-inflammatory drugs (NSAIDs) and topical capsaicin in OA and to identify patient-level predictors of treatment response.
    METHODS: IPD will be collected from randomised controlled trials (RCTs) of topical NSAIDs and capsaicin in OA. Multilevel regression modelling will be conducted to determine predictors for the specific and the overall treatment effect.
    DISCUSSION: Through the identification of treatment responders, this IPD meta-analysis may improve the current understanding of the pain mechanisms in OA and guide clinical decision-making. Identifying and prescribing the treatment most likely to be beneficial for an individual with OA will improve the efficiency of patient management.
    SYSTEMATIC REVIEW REGISTRATION:
    CRD42016035254.
    KEYWORDS: Capsaicin; Individual patient data meta-analysis; NSAIDs; Osteoarthritis; Topical
    Matched MeSH terms: Osteoarthritis
  11. Fulltext Fungistatic effect of hydroxychloroquine, lessons from a case
    Keshavarzi F
    Med Mycol Case Rep, 2016 Sep;13:17-18.
    PMID: 27709021
    A 50-year-old male was prescribed with hydroxychloroquine (HCQ) after osteoarthritis was diagnosed. He had an old nail infection of Aspergillus niger. A remarkable improvement of the symptoms of fungal nail infection was seen after about four weeks of treatment with HCQ. It was very hard to detect the symptoms in the end of the second month of the treatment, both in the finger and toe nails. The symptoms were clearly recurred after HCQ was discontinued.
    Matched MeSH terms: Osteoarthritis
  12. Fulltext Rheumatoid arthritis serotype and synthetic disease-modifying anti-rheumatic drugs in patients with periodontitis: A case-control study
    Nik-Azis NM, Mohd N, Mohd Fadzilah F, Mohamed Haflah NH, Mohamed Said MS, Baharin B
    PLoS One, 2021;16(6):e0252859.
    PMID: 34153036 DOI: 10.1371/journal.pone.0252859
    Patients with rheumatoid arthritis (RA) experience a higher prevalence of periodontitis. This study aimed to examine the variation of periodontitis experienced with different serotypes suffered by RA patients and to examine the relationship between the different medications taken for RA that may influence this relationship. Two hundred and sixty RA and control participants underwent standardized periodontal examinations. Medical, serological and radiological (Sharp/van der Heijde) records were assessed. Functional status was assessed using the administered Health Assessment Questionnaire. Moreover, disease parameters, including disease activity (DAS28-ESR) and anti-citrullinated protein antibodies (ACPA) and rheumatoid factor (RF) seropositivity were evaluated. Periodontitis was higher in RA (71.54%) compared with controls (54.62%). The stage of periodontitis experienced by ACPA-positive participants were higher than APCA-negative participants. The probing pocket depth and recession experienced by RF-positive participants were higher than those who were RF-negative. RA participants on methotrexate had lower clinical attachment loss and lower periodontal probing depth compared with participants on a combination methotrexate and other disease-modifying antirheumatic drugs. Participants taking corticosteroids had lower gingival index scores. The association between seropositivity and the type of medications taken with periodontal health parameters in this group of patients suggests that both seropositivity and medications taken are important modifiers in the relationship between periodontitis and RA.
    Matched MeSH terms: Osteoarthritis/blood; Osteoarthritis/drug therapy; Osteoarthritis/physiopathology*
  13. Fulltext Short-Term Effects of Strengthening Exercises of the Lower Limb Rehabilitation Protocol on Pain, Stiffness, Physical Function, and Body Mass Index among Knee Osteoarthritis Participants Who Were Overweight or Obese: A Clinical Trial
    Rafiq MT, Hamid MSA, Hafiz E
    ScientificWorldJournal, 2021;2021:6672274.
    PMID: 34975349 DOI: 10.1155/2021/6672274
    BACKGROUND: Osteoarthritis (OA) of the knee is defined as a progressive disease of the synovial joints and is characterized by wear and tear of the cartilage and underlying bone. This study aimed to determine the short-term effects of the lower limb rehabilitation protocol (LLRP) on pain, stiffness, physical function, and body mass index (BMI) among knee OA participants who were overweight or obese. Methodology. A single-blinded randomized controlled trial of one-month duration was conducted at Rehmatul-Lil-Alameen Postgraduate Institute, Lahore, Pakistan. Fifty overweight or obese participants with knee OA were randomly divided into two groups by a computer-generated number. Participants in the rehabilitation protocol group (RPG) were provided with leaflets explaining the strengthening exercises of the LLRP and instruction of daily care (IDC), while the participants in the control group (CG) were provided with leaflets explaining the IDC only for a duration of four weeks. The primary outcome measures were the Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC) scores for pain, stiffness, and physical function. The secondary outcome measures were BMI, exercise adherence, and patients' satisfaction assessed by using the numeric rating scale ranging from 0 to 10. The paired-sample t-test was used to analyze the differences within groups from baseline to posttest evaluations. The analysis of variance 2 × 2 factor was used to analyze the differences in BMI, knee pain, stiffness, and physical function between the groups.

    RESULTS: Participants in the RPG and CG reported a statistically significant reduction in knee pain and stiffness (p ≤ 0.05) within the group. The reduction in the scores of knee pain was higher in participants in the RPG than that in participants in the CG (p=0.001). Additionally, participants in the RPG reported greater satisfaction (p=0.001) and higher self-reported exercise adherence (p=0.010) and coordinator-reported exercise adherence (p=0.046) than the participants in the CG.

    CONCLUSION: Short-term effects of the LLRP appear to reduce knee pain and stiffness only, but not physical function and BMI.

    Matched MeSH terms: Osteoarthritis, Knee/complications; Osteoarthritis, Knee/physiopathology; Osteoarthritis, Knee/rehabilitation*
  14. The transcript level of interleukin-6 in the cartilage of idiopathic osteoarthritis of knee
    Moktar NM, Yusof HM, Yahaya NH, Muhamad R, Das S
    Clin Ter, 2010;161(1):25-8.
    PMID: 20393674
    AIMS: The mRNA level for interleukin-6 (IL-6) is an important marker of osteoarthritis (OA). The present study aimed to investigate the level of IL-6 mRNA in the cartilage of OA knee while comparing it to the normal cartilage obtained from the same patient.
    MATERIALS AND METHODS: A total of 21 patients who underwent total knee replacement were recruited for this study. Sectioning of the destructive cartilage was performed in the medial part of the proximal tibiofemoral cartilage. The unaffected lateral part of the knee in the same patient, served as a control. The mRNA level for IL-6 was assessed using LightCycler 2.0 quantitative real-time polymerase chain reaction (qRT-PCR). actin mRNA was used as an endogenous control.
    RESULTS: Twelve out of 21 patients (57.1%) exhibited up regulation of IL-6 mRNA in the OA cartilage as compared to the normal cartilage. The rest of the patients (42.9%) showed down regulation of IL-6 mRNA. The statistical analysis showed there was insignificant level of IL-6 mRNA in the OA (1.91 +/- 0.45) as compared to the normal cartilage (1.13 +/- 0.44) (p > 0.05). The inter-individual variation in the level of IL-6 mRNA in the cartilage of idiopathic knee was in accordance with previous findings.
    CONCLUSIONS: These observations suggest IL-6 could also act as a catabolic agent in some patients or its expression might be influenced by other cytokines.
    Study site: Pusat Perubatan Universiti Kebangsaan Malaysia (PPUKM), Kuala Lumpur, Malaysia
    Matched MeSH terms: Osteoarthritis, Knee/genetics; Osteoarthritis, Knee/metabolism*; Osteoarthritis, Knee/pathology
  15. Fulltext Can intra-articular therapies prior to total knee arthroplasty increase the risk of periprosthetic infection?
    Yeo QY, Lye DC, Sathappan SS
    Med J Malaysia, 2015 Feb;70(1):54-6.
    PMID: 26032534
    Intra-articular therapies, such as steroid injection, viscosupplement injection and acupuncture, are common non-surgical options for patients with osteoarthritis of the knee. With any intra-articular injection or acupuncture procedure, there is a potential for inoculation with bacteria leading to possible knee infection. The authors report a patient who incurred an acute infection found after a total knee arthroplasty attributed to prior acupuncture procedure done as part of conservative treatment.
    Matched MeSH terms: Osteoarthritis, Knee
  16. Improved functional assessment of osteoarthritic knee joint after chondrogenically induced cell treatment
    Ude CC, Ng MH, Chen CH, Htwe O, Amaramalar NS, Hassan S, et al.
    Osteoarthritis Cartilage, 2015 Aug;23(8):1294-306.
    PMID: 25887366 DOI: 10.1016/j.joca.2015.04.003
    OBJECTIVES: Our previous studies on osteoarthritis (OA) revealed positive outcome after chondrogenically induced cells treatment. Presently, the functional improvements of these treated OA knee joints were quantified followed by evaluation of the mechanical properties of the engineered cartilages.
    METHODS: Baseline electromyogram (EMGs) were conducted at week 0 (pre-OA), on the locomotory muscles of nine un-castrated male sheep (Siamese long tail cross) divided into controls, adipose-derived stem cells (ADSCs) and bone marrow stem cells (BMSCs), before OA inductions. Subsequent recordings were performed at week 7 and week 31 which were post-OA and post-treatments. Afterwards, the compression tests of the regenerated cartilage were performed.
    RESULTS: Post-treatment EMG analysis revealed that the control sheep retained significant reductions in amplitudes at the right medial gluteus, vastus lateralis and bicep femoris, whereas BMSCs and ADSCs samples had no further significant reductions (P < 0.05). Grossly and histologically, the treated knee joints demonstrated the presence of regenerated neo cartilages evidenced by the fluorescence of PKH26 tracker. Based on the International Cartilage Repair Society scores (ICRS), they had significantly lower grades than the controls (P < 0.05). The compression moduli of the native cartilages and the engineered cartilages differed significantly at the tibia plateau, patella femoral groove and the patella; whereas at the medial femoral condyle, they had similar moduli of 0.69 MPa and 0.40-0.64 MPa respectively. Their compression strengths at all four regions were within ±10 MPa.
    CONCLUSION: The tissue engineered cartilages provided evidence of functional recoveries associated to the structural regenerations, and their mechanical properties were comparable with the native cartilage.
    KEYWORDS: Cartilage; Cell therapy; Function; Osteoarthritis; Regeneration
    Matched MeSH terms: Osteoarthritis/physiopathology; Osteoarthritis/therapy*; Osteoarthritis, Knee
  17. Fulltext Mesenchymal stromal cells for cartilage repair in osteoarthritis
    Mamidi MK, Das AK, Zakaria Z, Bhonde R
    Osteoarthritis Cartilage, 2016 Aug;24(8):1307-16.
    PMID: 26973328 DOI: 10.1016/j.joca.2016.03.003
    Treatment for articular cartilage damage is quite challenging as it shows limited repair and regeneration following injury. Non-operative and classical surgical techniques are inefficient in restoring normal anatomy and function of cartilage in osteoarthritis (OA). Thus, investigating new and effective strategies for OA are necessary to establish feasible therapeutic solutions. The emergence of the new discipline of regenerative medicine, having cell-based therapy as its primary focus, may enable us to achieve repair and restore the damaged articular cartilage. This review describes progress and development of employing mesenchymal stromal cell (MSC)-based therapy as a promising alternative for OA treatment. The objective of this review is to first, discuss how in vitro MSC chondrogenic differentiation mimics in vivo embryonic cartilage development, secondly, to describe various chondrogenic differentiation strategies followed by pre-clinical and clinical studies demonstrating their feasibility and efficacy. However, several challenges need to be tackled before this research can be translated to the clinics. In particular, better understanding of the post-transplanted cell behaviour and learning to enhance their potency in the disease microenvironment is essential. Final objective is to underscore the importance of isolation, storage, cell shipment, route of administration, optimum dosage and control batch to batch variations to realise the full potential of MSCs in OA clinical trials.
    Matched MeSH terms: Osteoarthritis
  18. Scopoletin-standardized Morinda elliptica leaf extract suppressed inflammation and cartilage degradation to alleviate osteoarthritis: A preclinical study
    Wan Osman WN, Lau SF, Mohamed S
    Phytother Res, 2017 Dec;31(12):1954-1961.
    PMID: 29067744 DOI: 10.1002/ptr.5949
    The effect of scopoletin-standardized Morinda elliptica leaf extract against osteoarthritis was investigated in ex vivo explant culture and preclinical rodent model. Thirty male rats were grouped (n = 6) into untreated osteoarthritis (OA), OA + Diclofenac (5 mg/kg), and OA + extract (200 and 400 mg/kg) and compared with healthy control. Monosodium iodoacetate were injected into the right intra-articular knee joints to induce OA. The rats were evaluated for OA severity via physical (micro-CT and histological observations), biochemical, ELISA, and mRNA expression analysis (for inflammation and cartilage degradation biomarkers), after 28 days of treatment. The extract suppressed glycosaminoglycan release from the cartilage explant in the presence of Interleukin-1β. The 200 mg/kg dose appeared better than 400 mg/kg dose, at reducing cartilage and subchondral bone erosions in OA-induced rats, by significantly down-regulating the collagenases and aggrecanase. The extract dose-dependently reduced serum inflammation biomarkers and increased bone formation biomarkers to near normal levels in the OA-induced rats. M. elliptica leaf scopoletin-standardised extract alleviated OA progression and articular cartilage structure, by ameliorating cartilage degradation, nitric oxide levels, inflammation, bone /cartilage homeostasis, collagenase/aggrecanase activities, chondrocytes survival, subchondral bone structure and integrity.
    Matched MeSH terms: Osteoarthritis/drug therapy*; Osteoarthritis/pathology
  19. Fulltext Correlation of serum cartilage oligomeric matrix protein (COMP) and interleukin-16 (IL-16) levels with disease severity in primary knee osteoarthritis: A pilot study in a Malaysian population
    Das Gupta E, Ng WR, Wong SF, Bhurhanudeen AK, Yeap SS
    PLoS One, 2017;12(9):e0184802.
    PMID: 28910372 DOI: 10.1371/journal.pone.0184802
    OBJECTIVE: The aim of this study was to investigate the correlations between serum cartilage oligomeric matrix protein (COMP), interleukin-16 (IL-16) and different grades of knee osteoarthritis (KOA) in Malaysian subjects.

    METHODS: Ninety subjects were recruited comprising 30 with Kellgren-Lawrence (K-L) grade 2 KOA, 27 with K-L grade 3 KOA, 7 with grade 4 KOA, and 30 healthy controls. All subjects completed the Western Ontario and McMaster Universities Arthritis Index (WOMAC) questionnaire. Serum COMP and IL-16 levels were measured using ELISA and their values log transformed to ensure a normal distribution.

    RESULTS: There was no significant differences in levels of log serum COMP and IL-16 between healthy controls and KOA patients. There were no significant differences in the log serum COMP and IL-16 levels within the different K-L grades in the KOA patients. In KOA patients, log serum IL-16 levels significantly correlated with the WOMAC score (p = 0.001) and its subscales, pain (p = 0.005), stiffness (p = 0.019) and physical function (p<0.0001). Serum IL-16 levels were significantly higher in Malaysian Indians compared to Malays and Chinese (p = 0.024).

    CONCLUSIONS: In this multi-ethnic Malaysian population, there was no difference in serum COMP and IL-16 levels between healthy controls and patients with KOA, nor was there any difference in serum COMP or IL-16 levels across the various K-L grades of KOA. However, there were significant inter-racial differences in serum IL-16 levels.
    Matched MeSH terms: Osteoarthritis, Knee/ethnology; Osteoarthritis, Knee/metabolism*
  20. Fulltext Ethnic differences in the prevalence, socioeconomic and health related risk factors of knee pain and osteoarthritis symptoms in older Malaysians
    Mat S, Jaafar MH, Ng CT, Sockalingam S, Raja J, Kamaruzzaman SB, et al.
    PLoS One, 2019;14(11):e0225075.
    PMID: 31751378 DOI: 10.1371/journal.pone.0225075
    Knee pain is often underreported, underestimated and undertreated. This study was conducted to estimate the prevalence, burden and further identify socioeconomic factors influencing ethnic differences in knee pain and symptoms of OA among older adults aged 55 years and over in Greater Kuala Lumpur (the capital city of Malaysia). The sample for the Malaysian Elders Longitudinal Research (MELoR) was selected using stratified random sampling, by age and ethnicity from the electoral rolls of three parliamentary constituencies. Information on knee pain was available in 1226 participants, mean age (SD) 68.96 (1.57) years (409 Malay, 416 Chinese, 401 Indian). The crude and weighted prevalence of knee pain and self-reported knee OA symptoms were 33.3% and 30.8% respectively. There were significant ethnic differences in knee pain (crude prevalence: Malays 44.6%, Chinese 23.5% and Indians 31.9%, p<0.001). The presence of two or more non-communicable diseases (NCD) attenuated the increased risk of knee pain among the ethnic Indians compared to the ethnic Chinese. The prevalence of knee pain remained significantly higher among the ethnic Malays after adjustment for confounders. While the prevalence of knee pain in our older population appears similar to that reported in other published studies in Asia, the higher prevalence among the ethnic Malays has not previously been reported. Further research to determine potential genetic susceptibility to knee pain among the ethnic Malays is recommended.
    Matched MeSH terms: Osteoarthritis/ethnology*; Osteoarthritis/epidemiology*
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