@article{Banerjee_Khurana_2017, title={ALTERED AUTONOMIC BALANCE IN NORMAL TENSION GLAUCOMA}, volume={10}, url={https://journals.innovareacademics.in/index.php/ajpcr/article/view/15001}, DOI={10.22159/ajpcr.2017.v10i2.15001}, abstractNote={<p><strong>Objective: </strong>To study autonomic imbalance if any in normal tension glaucoma (NTG)patients by heart rate variability (HRV)and head-up tilt (HUT)test.</p><p><strong>Methods: </strong>The study subjects of age between 45 and 65 years of either sex comprised 20 patients with NTG (Group ІІ)and 20 age- and sex-matched healthy controls (Group І). Different variables of time and frequency domain of HRV were analyzed at rest, during HUT and the recovery period.</p><p><strong>R</strong><strong>esults: </strong>Highly significant decrease in value of root mean square successive difference observed in Group ІІ (p<0.000)in comparison to controls. The high-frequency variables (HF [nu]and HF [ms2])were significantly less (p<0.000)and low frequency (LF)/HF ratio was significantly high (p<0.000) in Group ІІ.</p><p><strong>C</strong><strong>onclusion: </strong>During stress test, i.e., HUT there was the greater withdrawal of parasympathetic input to heart; hence, there was relatively over</p><p>sympathetic activity due to sympatho-vagal imbalance.</p><p><strong>Ke</strong><strong>ywords: </strong>Stress test, Sympatho-vagal imbalance, Autonomic function test.</p>}, number={2}, journal={Asian Journal of Pharmaceutical and Clinical Research}, author={Banerjee, Arijita and Khurana, Indu}, year={2017}, month={Feb.}, pages={175–177} }