Sudhir Singh1, Dharmendra Kumar2, Nishant Raj Sharma3. 1. Professor & Head, Department of Orthopaedics, Era's Lucknow Medical College , Lucknow, India . 2. Assistant Professor, Department of Orthopaedics, Era's Lucknow Medical College , Lucknow, India . 3. Junior Resident, Department of Orthopaedics, Era's Lucknow Medical College , Lucknow, India .
Abstract
INTRODUCTION: Osteoarthritis of knee is traditionally diagnosed on the basis of clinical and radiological findings. Usually joint tissue degeneration is already advanced by the time a clinical diagnosis is made, hence the research focus has now shifted to use of biomarkers to diagnose the condition at an early stage of the disease. AIMS & OBJECTIVES: The aim of this study was to assess the efficacy of serum HA levels in early detection and grading of the severity of primary knee osteoarthritis and it's co-relation with Western Ontario and McMaster university osteoarthritis index (WOMAC scores) and Kellgren -Lawrence grading (K-L grade). MATERIALS AND METHODS: The study included 150 subjects (100 cases and 50 controls) and all were subjected to WOMAC scoring and K-L grading and estimation of serum HA levels. RESULTS: Age and WOMAC scores have significant correlation with HA levels, but multivariate analysis shows only WOMAC score as an independent variable associated with HA levels. The results show statistically significant high HA levels in cases than in normal population. HA levels are also able to differentiate between various clinical severity grades. ROC Curve analysis suggests cut-off levels of HA between mild, moderate and severe cases. CONCLUSION: HA levels are able to differentiate between normal asymptomatic population and symptomatic cases and also between various severity grades of osteoarthritis.
INTRODUCTION:Osteoarthritis of knee is traditionally diagnosed on the basis of clinical and radiological findings. Usually joint tissue degeneration is already advanced by the time a clinical diagnosis is made, hence the research focus has now shifted to use of biomarkers to diagnose the condition at an early stage of the disease. AIMS & OBJECTIVES: The aim of this study was to assess the efficacy of serum HA levels in early detection and grading of the severity of primary knee osteoarthritis and it's co-relation with Western Ontario and McMaster university osteoarthritis index (WOMAC scores) and Kellgren -Lawrence grading (K-L grade). MATERIALS AND METHODS: The study included 150 subjects (100 cases and 50 controls) and all were subjected to WOMAC scoring and K-L grading and estimation of serum HA levels. RESULTS: Age and WOMAC scores have significant correlation with HA levels, but multivariate analysis shows only WOMAC score as an independent variable associated with HA levels. The results show statistically significant high HA levels in cases than in normal population. HA levels are also able to differentiate between various clinical severity grades. ROC Curve analysis suggests cut-off levels of HA between mild, moderate and severe cases. CONCLUSION: HA levels are able to differentiate between normal asymptomatic population and symptomatic cases and also between various severity grades of osteoarthritis.
Entities:
Keywords:
Biomarkers; Hyaluronic acid (HA); Kellgren-lawrence grade (K-L Grade); Knee osteoarthritis (KOA); Western ontario and McMaster university osteoarthritis index (WOMAC Score)
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