GENDER DIFFERENCES IN AIRWAY DYNAMICS IN HEALTHY NONSMOKING LIBYAN MEDICAL STUDENTS
Journal Title: Journal of Biomedical and Pharmaceutical Research - Year 2013, Vol 2, Issue 4
Abstract
Some of the respiratory structures and functions vary with the gender. Only 2-3 parameters of the forced vital capacity (FVC) were studied earlier in both sexes in Libyan population. In the present study, we have measured all the parameters of forced expiratory vital capacity in homogenous age group (18-20 years) of 50 male and 58 female Libyan medical students. All the values of FVC including forced expiratory volume in 1 second (FEV1), forced expiratory flow rates (FEF) at 0.2 to 1.2 L, 25-75% of FVC and 75-85% of FVC were found to be significantly higher in male compared to female subjects. Instantaneous expiratory flows at 75%, 50% and 25% of remaining FVC in lung (Vmax75%, Vmax50% and Vmax25%) were found to be significantly higher in male compared to female subjects. However FEV1% (ratio of FEV1 to FVC) and FEF25-75% / FVC ratio were significantly higher in female compared to male subjects. The differences of these dynamic respiratory functions in male and female subjects may have some influences in clinical manifestation of airway disease.
Authors and Affiliations
Khalil El Saiti| Department of Physiology, Faculty of Medicine, Garyounis University, Benghazi, Libya., Md. Nazrul Islam| Department of Physiology, Chitwan School of Medical Sciences, Bharatpur, Nepal., and Tarun Kumar Das| Department of Physiology, ESIC Postgraduate Institute of Medical Science & Research, Joka, Kolkata, India.
Keywords
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