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CORRELATION BETWEEN AHLBÄCK CLASSIFICATION AND GONARTHROSIS RISK FACTORS
Paulo Alvim Borges1, Mauro Henrique José De Almeida1, Lucas Moura Araújo1
1Hospital Geral 'Dr. José Pangella' De Vila Penteado, São Paulo, SP Brazil.
Insights
This study found that most gonarthrosis risk factors, like age and diabetes, do not correlate with the Ahlbäck radiographic classification. However, hypertension showed a positive association with gonarthrosis severity.
Area of Science:
- Orthopedics
- Radiology
- Epidemiology
Background:
- Primary gonarthrosis is a common degenerative joint disease.
- Radiographic classification systems are crucial for assessing disease severity.
- The Ahlbäck classification is used to grade gonarthrosis based on radiographic findings.
Purpose of the Study:
- To investigate the correlation between established risk factors for gonarthrosis and the Ahlbäck radiographic classification.
- To determine if common risk factors predict gonarthrosis severity as defined by Ahlbäck.
Main Methods:
- A case-control study involving 108 patients with primary gonarthrosis.
- Data collected included age, weight, height, BMI, hypertension, diabetes, sedentarism, functional demand, symptom onset, and laterality.
- Radiographs were classified using the Ahlbäck system.
Main Results:
- No association was found between Ahlbäck classification and age, smoking, sedentarism, laterality, functional demand, diabetes mellitus, or sex.
- A positive association was observed between hypertension and Ahlbäck classification.
- Weak correlations were noted with height and weight, and a moderate correlation with BMI.
Conclusions:
- The Ahlbäck classification for gonarthrosis is largely independent of most common risk factors.
- Hypertension is a potential predictor of gonarthrosis severity based on the Ahlbäck classification.
- Further research may explore the specific mechanisms linking hypertension to gonarthrosis progression.
Objective:
To demonstrate whether or not there is a correlation between the risk factors for gonarthrosis and the radiographic classification of Ahlbäck.
Methods:
We studied patients with primary gonarthrosis attended at the knee outpatient clinic of the General Hospital of Vila Penteado during their routine visit. We collected data on patient age (years), weight (kg), height (meters), body mass index (BMI = patient weight/height2), personal history of hypertension or diabetes mellitus (positive or negative), sedentarism (physical activity less than three times per week, 30 minutes per session), functional demand (how many blocks walked weekly), time of onset of symptoms (in years) and laterality or bilaterality. The data were correlated with the Ahlbäck classification applied to the radiographs performed at the time of the consultation.
Results:
A sample of 108 patients was studied. We did not find an association between the Ahlbäck classification and the patient's age, smoking, sedentary lifestyle, laterality, number of blocks walked per week, diabetes mellitus, and sex; however, a positive association was observed in hypertensive patients as well as a weak correlation with height and weight of the patient and moderate correlation with BMI.
Conclusion:
The Ahlbäck classification is unrelated to most of the risk factors for primary gonarthrosis. Level of evidence III, Case-control study.
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