Use of palmar dermatoglyphics in rheumatoid arthritis - A case-control study
Journal Title: International Archives of Integrated Medicine - Year 2017, Vol 4, Issue 12
Abstract
Background: The susceptibility and severity of Rheumatoid arthritis are determined by both genetic and environmental factors. Dermatoglyphic patterns of individuals which are formed early in the fetal life are also determined by both genetic and environmental factors. Since both are genetically acquired and environmentally modified, it has been shown that there are particular dermatoglyphic patterns associated with Rheumatoid arthritis. If it is so, dermatoglyphics can serve as an additional tool in the early diagnosis and management of such a disabling disease like rheumatoid arthritis. Although there are some studies which mentioned dermatoglyphic pattern variation in the disease, the results are contradicting. Therefore, the present study was undertaken to find out a possible correlation of some quantitative and qualitative dermatoglyphic variables with Rheumatoid Arthritis. Aim of the study: To study the dermatoglyphic patterns in patients with Rheumatoid Arthritis and control population and to study the correlation between dermatoglyphic patterns and Rheumatoid Arthritis. Materials and methods: We studied 60 patients with Rheumatoid arthritis and 60 controls. All were subjected to detailed medical history and clinical examination. Both quantitative (finger ridge count and pattern intensity) and qualitative (fingerprint pattern) dermatoglyphic parameters were studied and the same were compared with age, sex and disease matched controls. Results: Out of the total 60 cases 12(20%) were male and 48(80%) were females. Of the total 60 controls, 12(20%) were males and 48(80%) were females. Analysis of the qualitative parameters revealed: Significant increase in the number of whorls in both the hands of female patients cases compared to the controls (p-value for right hand 0.001, p-value for left hand 0.004). The decrease in the number of radial loops in both the hands of male and female patients and the decrease was more in the left hand in males and right hand in females (p-value male left hand 0.002, female right hand 0.003). Decrease in the number of arches in the left hand of female patients compared to the controls (p-0.10). Analysis of the quantitative parameters showed: A statistically significant increase in the finger ridge count of individual hand and the total finger ridge count in both male and female patients compared to the controls (p-value males: right hand 0.003, left hand 0.004, right plus left hand 0.002; p-value females right hand.0000, left hand 0.000, right plus left hand 0.000). A statistically significant increase in the pattern intensity of fingers in female patients compared to the controls (p-value: right hand 0.006, left hand 0.001, right plus left hand 0.000). Conclusion: The findings of this work demonstrate the association between some of the qualitative and quantitative parameters of dermatoglyphics and Rheumatoid arthritis suggesting that dermatoglyphics can represent an anatomical, non-invasive, inexpensive tool for screening high-risk population and thus facilitate early detection and management.
Authors and Affiliations
Saritha K. Narayanan, Christopher C. Pais, Pradeep Kumar Shenoy
Keywords
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