E-ISSN 2231-3206 | ISSN 2320-4672
 

Original Research 


Visual evoked potential changes among hypertensive and normotensive individuals: A cross-sectional study

Alpna R Mathur, Jayna D Devalia, Dharitri M Parmar.

Abstract
Background: Visual evoked potential (VEP) is a highly advanced visual function measurement test that objectively measures functioning of entire visual pathway is working and results of it will help to diagnose early detection of visual pathway changes in the patients of hypertension (HTN). This property of VEP will be used to diagnose early changes in the visual field in the patient of HTN and use of this to deviate ophthalmic complications of HTN.

Aims and Objectives: The objective of this study was to find out changes in the VEP among the primary hypertensive patients and its comparison with normotensive subjects.

Materials and Methods: Eighty study participants (n = 40 normotensive and n = 40 hypertensive) were selected for this cross-sectional survey. Pattern reversal VEP test was performed for each participant and measurements (latency and amplitude) were recorded. Differences in latencies in both groups were assessed using unpaired t-test for continuous variables. P < 0.05 was considered to be criteria to prove statistical significance.

Results: Mean values of latencies of waves N75 and P100 were found to be prolonged in the hypertensive group. It can be seen from correlation graph, as the value of blood pressure (mm of Hg) increases, latencies of VEP also increase, which is evident from the values of correlation factor (r).

Conclusion: Results of the study express statistically significant association between increase in latencies of VEP and HTN. Thus, it could be recommended that VEP can be added as policy intervention among the primary hypertensive patients to detect early visual pathway changes and strategic implementation of the same.

Key words: Visual Evoked Potential; Hypertension; Correlation; Public Health Approach


 
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Pubmed Style

Mathur AR, Devalia JD, Parmar DM. Visual evoked potential changes among hypertensive and normotensive individuals: A cross-sectional study. Natl J Physiol Pharm Pharmacol. 2019; 9(12): 1216-1220. doi:10.5455/njppp.2019.9.0932604102019


Web Style

Mathur AR, Devalia JD, Parmar DM. Visual evoked potential changes among hypertensive and normotensive individuals: A cross-sectional study. http://www.njppp.com/?mno=66726 [Access: February 16, 2020]. doi:10.5455/njppp.2019.9.0932604102019


AMA (American Medical Association) Style

Mathur AR, Devalia JD, Parmar DM. Visual evoked potential changes among hypertensive and normotensive individuals: A cross-sectional study. Natl J Physiol Pharm Pharmacol. 2019; 9(12): 1216-1220. doi:10.5455/njppp.2019.9.0932604102019



Vancouver/ICMJE Style

Mathur AR, Devalia JD, Parmar DM. Visual evoked potential changes among hypertensive and normotensive individuals: A cross-sectional study. Natl J Physiol Pharm Pharmacol. (2019), [cited February 16, 2020]; 9(12): 1216-1220. doi:10.5455/njppp.2019.9.0932604102019



Harvard Style

Mathur, A. R., Devalia, . J. D. & Parmar, . D. M. (2019) Visual evoked potential changes among hypertensive and normotensive individuals: A cross-sectional study. Natl J Physiol Pharm Pharmacol, 9 (12), 1216-1220. doi:10.5455/njppp.2019.9.0932604102019



Turabian Style

Mathur, Alpna R, Jayna D Devalia, and Dharitri M Parmar. 2019. Visual evoked potential changes among hypertensive and normotensive individuals: A cross-sectional study. National Journal of Physiology, Pharmacy and Pharmacology, 9 (12), 1216-1220. doi:10.5455/njppp.2019.9.0932604102019



Chicago Style

Mathur, Alpna R, Jayna D Devalia, and Dharitri M Parmar. "Visual evoked potential changes among hypertensive and normotensive individuals: A cross-sectional study." National Journal of Physiology, Pharmacy and Pharmacology 9 (2019), 1216-1220. doi:10.5455/njppp.2019.9.0932604102019



MLA (The Modern Language Association) Style

Mathur, Alpna R, Jayna D Devalia, and Dharitri M Parmar. "Visual evoked potential changes among hypertensive and normotensive individuals: A cross-sectional study." National Journal of Physiology, Pharmacy and Pharmacology 9.12 (2019), 1216-1220. Print. doi:10.5455/njppp.2019.9.0932604102019



APA (American Psychological Association) Style

Mathur, A. R., Devalia, . J. D. & Parmar, . D. M. (2019) Visual evoked potential changes among hypertensive and normotensive individuals: A cross-sectional study. National Journal of Physiology, Pharmacy and Pharmacology, 9 (12), 1216-1220. doi:10.5455/njppp.2019.9.0932604102019





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