International Journal of Physiology

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Cold Stress Response Variations in Lateral Positions of Body


Affiliations
1 Professor & Head, Department of Physiology, Saraswathi Institute of Medical Sciences, Hapur, (U.P.)
     

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Aim of this study was to assess the cold stress response variations in lateral positions of body. A total of 100 healthy male subjects were chosen for the study. Blood pressure and heart rate were recorded at baseline and after Cold pressor test (CPT). Basal blood pressure and heart rate were significantly higher in left lateral position while all the parameters were significantly lower in right lateral position. After cold stress test, there was significant increase in all the parameters in both the lateral positions, but incremental change in all parameters was significantly higher in left lateral position in comparison to right lateral position. The results reveal greater response to cold stress in left lateral position in comparison to right lateral position, indicating that response to cold stress varies with body posture.

Keywords

Heart Rate, Blood Pressure, Cold Pressor Test
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  • Wirch JL, Wolfe LA, Weissgerber TL, Davies GAL. Cold pressor test protocol to evaluate cardiac autonomic function. Appl Physiol Nutr Metab 2006; 31:235-43.

  • Leblanc J, Cote J, Dulac S. Effects of age, sex and physical fitness on response to local cooling. J Appl PhysioI 1978; 44:813-17.

  • Hines EA, Brown GE. The cold pressor test for measuring the reactability of the blood pressure. Am Heart J 1936; 11:1-9.

  • Richerson GB. The Autonomic Nervous System. In: Boron WF, Boulpaep EL, editors. Medical Physiology. 1st ed. Philadelphia: Saunders; 2003.p.379.

  • Keatinge WR, Mcllory MB, Goldfien A. Cardiovascular responses to ice cold showers. J Appl Physiol 1964; 19:1145-50.

  • Vaidya JS, Dhume RA. Influence of lateral posture on sweating: does posture alter the sympathetic outflow to the sweat glands? Indian J Physiol Pharmacol 1994; 38:319-22.

  • Mishra N, Mahajan KK. Cardio-vascular response to orthostatic stress following cold challenge. Biomed Res 1995; 6:103-07.

  • Madanmohan, Udapa K, Bhavanani BA, Krishnamurthy N, Pal GK, Modulation of cold pressor-induced stress by shavasan in normal adult volunteers. Indian J Physiol Pharmacol 2002; 46 (3):307-312.

  • Vijayalakshmi P, Veliath S, Madanmohan. Effect of head -up tilt on cardiovascular responses in normal young volunteers. Indian J Physiol Pharmacol 2000; 44:467-72.

  • Ganong WF. The heart as a pump. In: Ganong WF, ed. Review of Medical Physiology 22nd ed. India. Appleton & Lange, 2009 : 565-76.

  • Chen GY, Kuo CD. The effect of the lateral decubitus position on vagal tone. Anaesthesia 1997; 52:653-57.

  • Ryan AD, Larsen PD, Galletly DC. Comparison of heart rate variability in supine,and left and right lateral positions. Anaesthesia 2003; 58:432-36.


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  • Cold Stress Response Variations in Lateral Positions of Body

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Authors

J. L. Agarwal
Professor & Head, Department of Physiology, Saraswathi Institute of Medical Sciences, Hapur, (U.P.)

Abstract


Aim of this study was to assess the cold stress response variations in lateral positions of body. A total of 100 healthy male subjects were chosen for the study. Blood pressure and heart rate were recorded at baseline and after Cold pressor test (CPT). Basal blood pressure and heart rate were significantly higher in left lateral position while all the parameters were significantly lower in right lateral position. After cold stress test, there was significant increase in all the parameters in both the lateral positions, but incremental change in all parameters was significantly higher in left lateral position in comparison to right lateral position. The results reveal greater response to cold stress in left lateral position in comparison to right lateral position, indicating that response to cold stress varies with body posture.

Keywords


Heart Rate, Blood Pressure, Cold Pressor Test

References