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  • Title: Study of Nutrient Foramina of Dry Adult Human Clavicle.
    Author: Ara R, Bhuiyan MAR, Ara R, Epsi EZ, Haque SMA, Islam S, Shanto RA, Khanam F, Nira NH, Dastagir OZM.
    Journal: Mymensingh Med J; 2024 Jan; 33(1):31-38. PubMed ID: 38163770.
    Abstract:
    As a modified long bone, the clavicle is most important bone for transmission of body weight from upper limb to the axial skeleton, for attachment of muscles and is a significant source of bone grafting. This descriptive cross-sectional study was conducted among 150 (65 right and 85 left) fully ossified dry human clavicle in Mymensingh Medical College, Mymensingh, Bangladesh from January 2020 to December 2020. Sample was collected by the help of nonrandom purposive sampling technique from Anatomy department of Mymensingh Medical College and Community Based Medical College, Bangladesh, Mymensingh. In this study, nutrient foramen was present in 86.67% (130) cases. On the right side, 87.69% (57) cases and on the left side, 85.88% (73) cases were found present. Out of 130 clavicles where nutrient foramen were present, 52.31% (68) nutrient foramina were on inferior surface, 46.92% (61) on posterior surface and 0.77% (1) on superior surface. On the right side, 49.12% (28) cases were found on inferior surface and 49.12% (28) were on posterior surface and remaining 1.75% (1) was on superior surface. On the left side, 54.79% (40) cases were found on inferior surface and 45.21% were on posterior surface whereas none was found on superior surface. Among the present 130 cases, 1 nutrient foramen was found in total 80% (104) cases and 2 in 20% (26) cases. In right side, the numbers of cases were 75.44% (43) for 1 and 24.56% (14) for 2 nutrient foramina. In left side, the number of cases of 1 was 83.56% (61) and 16.44% (12) for 2 foramina. The nutrient foraminal direction was 98.46% (128) towards acromial end and 1.54% (2) to sternal end. In the right side, the direction was 100% (57) towards acromial end. In the left side, the direction was 97.26% (71) towards acromial end and 2.74% (2) to sternal end. In the current study, the mean ±SD nutrient foramina of 65 clavicles of right side were 71.04±13.91 and 67.13±16.30 in 85 left sided clavicles. The purpose for undertaking this study was to obtain baseline data on nutrient foramen to help to predict the success rate and different surgical interventions regarding fractures and grafting.
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