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To Study the Effect of Different Positions on FVC and FEV1 Measurements in Obstructive Pulmonary Disease Patients.
Corresponding Author(s) : Payaswini Daithankar
International Journal of Allied Medical Sciences and Clinical Research,
Vol. 12 No. 3 (2024): 2024 Volume -12 - Issue 3
Abstract
Obstructive diseases include conditions in which there is a resistance to airflow either through reversible factors such as bronchospasm or inflammation, or through irreversible factors such as airway fibrosis or loss of elastic recoil owing to damage to the airways and the alveoli. Types include: COPD, Asthma and Cystic fibrosis. COPD is a common disease worldwide. Worldwide prevalence of COPD ranges from 4–6%. Spirometry can be helpful in determining the effects of position on ventilator functions. It is the best method for detecting borderline to mild airway obstruction, which occurs early without the appearance of any symptoms or signs. FEV1 is the most important spirometry measure for the assessment of airflow obstruction. Many researchers have reported significant changes in pulmonary function with positioning. Reductions of 12% for forced vital capacity and 15% for force expiratory volume in one second have been observed in normal individuals between the different body positions of sitting and slumped half lying. The aim of the study was to determine the Effect of different positions on FVC and FEV1 measurements in obstructive pulmonary disease patients. The objective of this study was to investigate changes in pulmonary function values of obstructive pulmonary disease patients with change in position.30 samples were selected according to convenient sampling. Outcome measures were FEV1 and FVC which were calculated in different positions and the result was obtained for comparing the values of FVC and FEV1 in all the test positions. On application of ANOVA test the following values were obtained. For FVC the f value obtained is 4.187 and p value obtained is 0.003 which is statically significant. For FEV1 the f value obtained is 6.343 and p value obtained is 0.006 which is statically significant. There is an effect of various body positions on FVC and FEV1 in patients with obstructive pulmonary disease.
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- Nunn, J.F. Applied Respiratory Physiology. 4th ed. Oxford: Butterworth Heinemann, 1993; Pp. 14.
- Roy Arokiam Daniel, P., Agrrawal, P., 2024. Prevalence of chronic obstructive pulmonary disease in India: A systematic review and meta-analysis. [Journal Name]. [Online] Available at: [URL] [Accessed 10 September 2024].
- Vilke, G.M., Chan, T.C., Neuman, T., et al. Spirometry in normal subjects in sitting, prone, and supine positions. Respiratory Care, 2000; 45(9): 1048-1051.
- Badr, C., Elkins, M.R. and Ellis, E.R. The effect of body position on maximal expiratory pressure and flow. Australian Journal of Physiotherapy, 2002; 48(2): 95-102.
- Crosbie, W.J. and Myles, S. An investigation into the effect of postural modification on some aspects of normal pulmonary function. Physiotherapy, 1985; 71(6): 311–314.
- Nazir, S.A. and Erbland, M.L., 2009. Chronic obstructive pulmonary disease: an update on diagnosis and management issues in older adults. Drugs & Aging. 2009; 26(10): 813–831.
- Pearce, N., Aït-Khaled, N., Beasley, R., et al. Worldwide trends in the prevalence of asthma symptoms: phase III of the International Study of Asthma and Allergies in Childhood (ISAAC). Thorax, 2007; 62(9): 758–766.
- Jindal, S.K., Aggarwal, A.N., Chaudhry, K., et al. A multicentric study on epidemiology of COPD and its relationship with tobacco smoking and environmental tobacco smoke exposure. Indian Journal of Chest Diseases and Allied Sciences, 2006; 48(1): 23–29.
- Muzaffer, A.P., Zubair, A.A., Mushtaq, A.S., et al. A preliminary randomized open labeled comparative analysis of efficacy and safety of inhaled tiotropium and tiotropium plus formoterol in COPD. JK Science,2010; 12(1): 27–30.
- Baghery, H. and Esmaeilzadeh, M., 2011. Effect of different sitting posture on pulmonary function in students. Journal of Physiology and Pathophysiology, 2011; 2(2): 29–33.
- Tsubaki, A., Deguchi, S. and Yoneda, Y. Influence of posture on respiratory function and respiratory muscle strength in normal subjects. Journal of Physical Therapy Science, 2009; 21(1): 71–74.
- Dean, E. Effect of body position on pulmonary function. Physical Therapy, 1985; 65(5): 613–618.
References
Nunn, J.F. Applied Respiratory Physiology. 4th ed. Oxford: Butterworth Heinemann, 1993; Pp. 14.
Roy Arokiam Daniel, P., Agrrawal, P., 2024. Prevalence of chronic obstructive pulmonary disease in India: A systematic review and meta-analysis. [Journal Name]. [Online] Available at: [URL] [Accessed 10 September 2024].
Vilke, G.M., Chan, T.C., Neuman, T., et al. Spirometry in normal subjects in sitting, prone, and supine positions. Respiratory Care, 2000; 45(9): 1048-1051.
Badr, C., Elkins, M.R. and Ellis, E.R. The effect of body position on maximal expiratory pressure and flow. Australian Journal of Physiotherapy, 2002; 48(2): 95-102.
Crosbie, W.J. and Myles, S. An investigation into the effect of postural modification on some aspects of normal pulmonary function. Physiotherapy, 1985; 71(6): 311–314.
Nazir, S.A. and Erbland, M.L., 2009. Chronic obstructive pulmonary disease: an update on diagnosis and management issues in older adults. Drugs & Aging. 2009; 26(10): 813–831.
Pearce, N., Aït-Khaled, N., Beasley, R., et al. Worldwide trends in the prevalence of asthma symptoms: phase III of the International Study of Asthma and Allergies in Childhood (ISAAC). Thorax, 2007; 62(9): 758–766.
Jindal, S.K., Aggarwal, A.N., Chaudhry, K., et al. A multicentric study on epidemiology of COPD and its relationship with tobacco smoking and environmental tobacco smoke exposure. Indian Journal of Chest Diseases and Allied Sciences, 2006; 48(1): 23–29.
Muzaffer, A.P., Zubair, A.A., Mushtaq, A.S., et al. A preliminary randomized open labeled comparative analysis of efficacy and safety of inhaled tiotropium and tiotropium plus formoterol in COPD. JK Science,2010; 12(1): 27–30.
Baghery, H. and Esmaeilzadeh, M., 2011. Effect of different sitting posture on pulmonary function in students. Journal of Physiology and Pathophysiology, 2011; 2(2): 29–33.
Tsubaki, A., Deguchi, S. and Yoneda, Y. Influence of posture on respiratory function and respiratory muscle strength in normal subjects. Journal of Physical Therapy Science, 2009; 21(1): 71–74.
Dean, E. Effect of body position on pulmonary function. Physical Therapy, 1985; 65(5): 613–618.