Akbar W, Kalim Ullah.
A radiographic study of neck shaft angle in population of Mardan region, Khyber Pukhtonkhwa – Pakistan.
Biomedica Jan ;31(2):108-14.

Background and Objectives: Hip fracture contributes to both morbidity and mortality in elderly population. Proximal femur geometry including neck – shaft angle has been identified as a risk factor for hip fracture, which is related to mechanical strength of the femur. Geography, ethnicity, diet, heredity have effects on patterning proximal femur geometry. Neck – shaft angle can offer a guide to the clinicians for determinations of hip fracture risk and can helps in its management. Objective of present study was to assess the results of neck – shaft angle in the elderly population of Mardan region Pakistan and to compare it bilaterally in both sexes. Methodology: The study was conducted on the pelvic radiographs of 91 participants, of either sex, aged from 50 to 70 years, in the department of radiology Mardan Medical Complex Mardan from May 2014 to October 2014. Measurement of neck – shaft angle was performed bilaterally; data was collected and analyzed statistically. Results: In a total of 91 cases, 55 (60.4%) were male and 36 (39.6%) were female with mean age 58.24 (6.49). The mean neck – shaft angle of both sides of female population were significantly higher than male (rig-ht side p = 0.009, left side (p = 0.05). The mean left neck – shaft angle of the total population was higher than right side (p = 0.05). Conclusions: The present study concluded that the neck – shaft angle differs with gender and with sides. Larger neck – shaft angle in elderly females of Mardan region may increase the risk of hip fracture. Further studies on other risk factors such as anthropometric parameters and bone mineral density must be conducted to collect more information on this subject, in addition to the present findings.

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