Morphology study of the acetabulum values of indonesian deutero malay sub-race population in South Sulawesi

Abstract

Background and Objective: The normal morphology of acetabular is an essential factor which determines the clinical results of hip surgery. No previous study has been documented regarding normal value of acetabular in Indonesian race and on how they are different with normal values of Caucasian race. This study aimed on measurement of normal acetabular morphologic values of Indonesia deutero malay sub-race population in South Sulawesi Indonesia and compare it with existing data of Caucasian morphological values. Materials and Methods: This cross-sectional study was performed at Wahidin Sudirohusodo Hospital in Makassar, South Sulawesi, Indonesia. A total sample of 50 acetabular images of normal Indonesian deutero malay sub-race individuals were acquired using computed tomography scanner and measurement of several parameters were done. Obtained data were collected and compared to normal values of Caucasian race from Western literatures and analyzed with independent samples t-test using Statistical Package for the Social Science (SPSS) version 18 software. The p-value of< 0.05 was considered to be significant. Results: The findings for acetabular values of males and females are as follows: Center-edge angle (CE) 35.044.21 and 33.483.78E, acetabular index angle (AA) 9.681.24 and 9.61.32E, acetabular angle of sharp 59.767.74 and 58.086.35E, acetabular version (AcetAV) 21.43.08 and 22.003.16E, anterior acetabular sector angle (AASA) 59.288.90 and 58.488.79E and posterior acetabular sector angle (PASA) 88.643.8 and 91.324.7E. Comparison to Western results, it showed a significant difference between two groups. Conclusion: The acetabular morphologic values of Indonesian deutero malay sub-race population is significantly different in comparison with Western population (Caucasian). The study will provide important data for Indonesian orthopaedic surgeon during acetabular placement and also in hope for designing acetabular cup implants which better fit in the interest of Indonesian population.

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