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Original Research Open Access


Visual and brainstem auditory evoked potentials in obese and overweight individuals

Sangeeta Gupta, Gaurav Gupta, Rajesh Kaiti.

Abstract
Background: Overweight and obesity are known to be associated with major health risks. Their detrimental effects on central nervous system (CNS) have begun to be appreciated too. The data for cranial nerve involvement and CNS conduction delays, however, are still sparse.

Aims and Objectives: The study intended to assess the extent of influence by recording pattern reversal visual evoked potential (PRVEP) and brainstem auditory evoked potential (BAEP) in overweight and obese individuals. Materials and Methods: PRVEP and BAEP were recorded in 85 individuals (30 obese, 30 overweight, and 25 controls) in the age group of 18-70 years. Indian-specific body mass index (BMI) cutoff points (controls: BMI 25) were used for classifying the individuals. PRVEP P100 latency and N75-P100 amplitude and BAEP absolute and interpeak latencies were compared among the three groups using one-way ANOVA and Tukey’s multiple comparison tests. P < 0.05 was considered statistically significant.

Results: Statistically significant prolongation of PRVEP P100 latency (P < 0.01), BAEP absolute latency of wave III and V (P < 0.0001), and interpeak latencies I-III and I-V (P < 0.001) was obtained in obese and overweight individuals as compared to the controls with no significant alteration in N75-P100 amplitude among the three groups (P > 0.05).

Conclusion: Overweight and obesity document derangements in visual evoked potentials and BAEPs, indicating CNS conduction delays with brainstem as well as cerebral cortical involvement. The influence of raised BMI (BMI >23) can affect the clinical interpretation of these tests.

Key words: Obese; Overweight; Brainstem Auditory Evoked Potentials; Visual Evoked Potentials


 
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How to Cite this Article
Pubmed Style

Gupta S, Gupta G, Kaiti R. Visual and brainstem auditory evoked potentials in obese and overweight individuals. Natl J Physiol Pharm Pharmacol. 2017; 7(5): 450-454. doi:10.5455/njppp.2017.7.1130719122016



Web Style

Gupta S, Gupta G, Kaiti R. Visual and brainstem auditory evoked potentials in obese and overweight individuals. www.scopemed.org/?mno=247832 [Access: June 29, 2017]. doi:10.5455/njppp.2017.7.1130719122016



AMA (American Medical Association) Style

Gupta S, Gupta G, Kaiti R. Visual and brainstem auditory evoked potentials in obese and overweight individuals. Natl J Physiol Pharm Pharmacol. 2017; 7(5): 450-454. doi:10.5455/njppp.2017.7.1130719122016



Vancouver/ICMJE Style

Gupta S, Gupta G, Kaiti R. Visual and brainstem auditory evoked potentials in obese and overweight individuals. Natl J Physiol Pharm Pharmacol. (2017), [cited June 29, 2017]; 7(5): 450-454. doi:10.5455/njppp.2017.7.1130719122016



Harvard Style

Gupta, S., Gupta, G. & Kaiti, R. (2017) Visual and brainstem auditory evoked potentials in obese and overweight individuals. Natl J Physiol Pharm Pharmacol, 7 (5), 450-454. doi:10.5455/njppp.2017.7.1130719122016



Turabian Style

Gupta, Sangeeta, Gaurav Gupta, and Rajesh Kaiti. 2017. Visual and brainstem auditory evoked potentials in obese and overweight individuals. National Journal of Physiology, Pharmacy and Pharmacology, 7 (5), 450-454. doi:10.5455/njppp.2017.7.1130719122016



Chicago Style

Gupta, Sangeeta, Gaurav Gupta, and Rajesh Kaiti. "Visual and brainstem auditory evoked potentials in obese and overweight individuals." National Journal of Physiology, Pharmacy and Pharmacology 7 (2017), 450-454. doi:10.5455/njppp.2017.7.1130719122016



MLA (The Modern Language Association) Style

Gupta, Sangeeta, Gaurav Gupta, and Rajesh Kaiti. "Visual and brainstem auditory evoked potentials in obese and overweight individuals." National Journal of Physiology, Pharmacy and Pharmacology 7.5 (2017), 450-454. Print. doi:10.5455/njppp.2017.7.1130719122016



APA (American Psychological Association) Style

Gupta, S., Gupta, G. & Kaiti, R. (2017) Visual and brainstem auditory evoked potentials in obese and overweight individuals. National Journal of Physiology, Pharmacy and Pharmacology, 7 (5), 450-454. doi:10.5455/njppp.2017.7.1130719122016



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