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Year :2019
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Month :
January-February
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Volume :
8
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Issue :
1
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Page :
AO20 - AO23
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A Morphometric Study of Head of Radius and its Clinical Implication in Radial Head Prosthesis
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Correspondence Address :
Archana Singh, Arun Singh,
Dr. Archana Singh,
Department of Anatomy, Rohilkhand Medical College and Hospital, Bareilly-243006, Uttar Pradesh, India.
E-mail: drarchana279@gmail.com
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Introduction: Introduction: The head of radius is a fundamental element for the physiological or prosthetic stability of the elbow and superior radio ulnar joint and participates with the fovea radialis in elbow flexion and with the radial head circumference in pronation-supination.
Aim: The aim of the present study was to add some data on morphometry of radial head dimensions on dry human radial bones and to measure the various dimensions of the head of the radial bones.
Materials and Methods: A cross-sectional morphometric study was performed on 106 undamaged adult dry human radial bones of unknown age and gender by using a digital Vernier caliper of accuracy of 0.01 mm. Anteroposterior Diameter (APD), Transverse Diameter (TD), Medial Height (MH) and Lateral Height (LH) of radial head, Thickness of Ventral Curve (TVC), Lateral Curve (TLC), Dorsal Curve (TDC) and Depth of Superior Articular Facet (DH) were measured. Surface Area (SA) And Volume (V) of articular surface of head of radius by using mathematical calculations of a dome (the hemispherical concavity of the radial head) were also measured. The statistical analysis was done by using the SPSS software version 22.0. The Pearson’s correlation test was used. Right and left side values were also correlated.
Results: In the present study mean values±standard deviation were 20.50±2.32 mm (APD), 19.52±2.26 mm (TD), 8.65±1.55 mm (MH), 6.26±1.09 mm (LH), 5.07±0.97 mm (TVC), 3.63±0.82 mm (TLC), 4.02±0.94 mm (TDC), 1.97±0.45 mm (DH), 331.37±73.82 mm2 (SA) and 322.49±122.74 mm3 (V).
Conclusion: The knowledge of size and shape of radial head is necessary for creation of radial head prosthesis that should be anatomically and biomechanically correct so that the open reduction and internal fixation and osteo-synthesis may be safely applied. Data may help orthopaedic surgeons for reconstructive surgeries.
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