Human Biosignal Analysis

Electrocardiogram, ECG

Related Research
Kim SH, Moon YJ, Lee S, Jeong SM, Song JG, Hwang GS. Atrioventricular conduction disturbances immediately after hepatic graft reperfusion and their outcomes in patients undergoing liver transplantation. Liver Transpl. 2016 Jul;22(7):956-67.
Moon YJ, Kwon HM, Park YS, Kim SH, Hwang GS. Brief Episodes of Newly Developed Intraoperative Atrial Fibrillation Predicts Worse Outcomes in Adult Liver Transplantation. Transplant Proc. 2018 May;50(4):1142-1146.
Kwon HM, Kim SH, Park SU, Rhim JH, Park HS, Kim WJ, Nam GB. Propofol for implantable cardioverter defibrillator implantation in patients with Brugada syndrome. Pacing Clin Electrophysiol. 2018 Jun;41(6):656-660.
Cho HS, Kim WJ, Lee BA, Cho J, Shin WJ, Hwang GS. Pretransplant increases in left ventricular volume and mass are associated with QT prolongation during pediatric liver transplantation. Pediatr Transplant. 2018 Jun 15:e13237.
Kwon HM, Jun IG, Jung KW, Moon YJ, Shin WJ, Song JG, Hwang GS. Pretransplant Resting Heart Rate and Its Association With All-Cause Mortality in Liver Transplant Recipients. Transplant Proc. 2017 Jun;49(5):1092-1096.
Lee HM, Park SK, Moon YJ, Kim JW, Kim SK, Sang BH, Seo DK, Yoo BW, Hwang GS. Arrhythmogenic potential develops rapidly at graft reperfusion before the start of hypotension during living-donor liver transplantation. Korean J Anesthesiol. 2016 Feb;69(1):37-43.
Huh IY, Park ES, Kim KI, Lee AR, Hwang GS, Alteration of the QT variability index in end-stage liver disease. Korean J Anesthesiol. 2014 Mar;66(3):199-203.
Shin WJ, Kim YK, Song JG, Kim SH, Choi SS, Song JH, Hwang GS. Alterations in QT Interval in Patients Undergoing Living Donor Liver Transplantation. Transplantation Proceedings Volume 43, Issue 1, 2011, Jan 170-173.
Son HW, Park US, Her IY, Kim KI, Lee AR, Kim AS, Park SE, Kim SH, Transient left bundle branch block associated with hypoxia during monitored anesthesia care. Anesthesia and Pain Medicine 2014 Apr; 009(02): 119-122.
Chin JH, Park JY, Kim YK, Kim SH, Kong YG, Park PH, Hwang GS. Torsades de Pointes Triggered by Severe Diastolic Hypotension With Low Hematocrit in the Neohepatic Stage of Liver Transplantation: A Case Report. Transplantation Proceedings 2010, June;42(5): 1959-1962.
Park SU, Kim SH, Kwon HM, Koh GH, Nam GB, Karm MH, Kim WJ, Ku SW. Recurrent ST segment elevations in a patient with asymptomatic early repolarization during head and neck surgery: implications of vasospastic angina. J Dent Anesth Pain Med. 2018 Jun;18(3):189-193. doi: 10.17245/jdapm.2018.18.3.189. Epub 2018 Jun 29.

PPG analysis

Related Research
Kim SH, Song JG, Park JH, Kim JW, Park YS, Hwang GS. Beat-to-Beat Tracking of Systolic Blood Pressure Using Noninvasive Pulse Transit Time During Anesthesia Induction in Hypertensive Patients. Anesth Analg 2013 Jan;116(1):94-100.
Kim WJ, Kim JW, Moon YJ, Kim SH, Hwang GS, Shin WJ. The photoplethysmographic amplitude to pulse pressure ratio can track sudden changes in vascular compliance and resistance during liver graft reperfusion: A beat-to-beat analysis. Medicine (Baltimore). 2017 Jun;96(22):e7045.
Joo EY, Kong YG, Lee J, Cho HS, Kim SH, Suh JH. Change in pulse transit time in the lower extremity after lumbar sympathetic ganglion block: an early indicator of successful block. J Int Med Res. 2017 Feb;45(1):203-210.

ABP measurement and waveform analysis

Related Research
Kwon HM, Moon YJ, Jung KW, Jeong HW, Park YS, Jun IG, Song JG, Hwang GS. Low Mean Arterial Blood Pressure is Independently Associated with Postoperative Acute Kidney Injury After Living Donor Liver Transplantation: A Propensity Score Weighing Analysis. Ann Transplant. 2018 Apr 10;23:236-245.
Shin WJ, Song JG, Jun IG, Moon YJ, Kwon HM, Jung K, Kim SO, Hwang GS. Effect of ventriculo-arterial coupling on transplant outcomes in cirrhotics: Analysis of pressure-volume curve relations. J Hepatol. 2017 Feb;66(2):328-337.
Kim JW, Bang JY, Park CS, Gwak M, Shin WJ, Hwang GS. Usefulness of the maximum rate of pressure rise in the central and peripheral arteries after weaning from cardiopulmonary bypass in pediatric congenital heart surgery: A retrospective analysis. Medicine (Baltimore). 2016 Dec;95(49): e5405.
Kim SK, Shin WJ, Kim JW, Park JY, Hwang GS. Prediction of hyperdynamic circulation by arterial diastolic reflected waveform analysis in patients undergoing liver transplantation. Blood Press Monit. 2016 Feb;21(1):9-15.
Kim SH, Hwang GS, Kim SO, Kim YK. Is Stroke Volume Variation a Useful Preload Index in Liver Transplant Recipients? A Retrospective Analysis. Int J Med Sci 2013; 10(6):751-757.
Chin JH, Jun IG, Lee J, Seo H, Hwang GS, Kim YK. Can stroke volume variation be an alternative to central venous pressure in patients undergoing kidney transplantation? Transplant Proc. 2014 Dec;46(10):3363-6.

René Laennec and the stethoscope

Related Research
Kim SH, Moon YJ, Kim JW, Song JG, Hwang GS Prediction of Fluid Responsiveness by a Non-invasive Respiratory Systolic Time Interval Variation Using Heart Sound Signals in Recipients Undergoing Liver Transplantation. Transplant Proc. 2017 Jun;49(5):1082-1086.

Autonomic function in healthy and ill patients

Related Research
Choi WJ, Lee K, Kim YK, Song KJ, Jeong SM, Hwang GS. Vagolytic atropine attenuates cerebral vasodilation response during acute orthostatic hypotension. Korean J Anesthesiol. 2015 Dec;68(6):594-602.
Kim YK, Lee K, Hwang GS, Cohen RJ. Sympathetic withdrawal is associated with hypotension after hepatic reperfusion. Clin Auton Res. 2013 Jun;23(3):123-31.
Bang J, Park YS, Jeong SM, Song JG, Kim YK, Hwang GS. Melatonin does not attenuate dynamic cardiovascular and cerebrovascular reflex responses to acute hypotension in healthy men. Korean J Anesthesiol. 2012 Sep;63(3):245-52.
Song JG, Kim YK, Shin WJ, Hwang GS. Changes in cardiovagal baroreflex sensitivity are related to increased ventricular mass in patients with liver cirrhosis. Circ J. 2012;76(12):2807-13.
Kim YK, Hwang GS, Shin WJ, Bang JY, Cho SK, Han SM. Effect of propranolol on the relationship between QT interval and vagal modulation of heart rate variability in cirrhotic patients awaiting liver transplantation. Transplant Proc. 2011 Jun;43(5):1654-9.
Shin WJ, Kang SJ, Kim YK, Seong SH, Han SM, Hwang GS. Link between heart rate and blood pressure Mayer wave during general anesthesia. Clin Auton Res. 2011 Oct;21(5):309-17.
Shin WJ, Choi JM, Kong YG, Song JG, Kim YK, Hwang GS. Spectral analysis of respiratory-related hemodynamic variables in simulated hypovolemia: a study in healthy volunteers with spontaneous breathing using a paced breathing activity. Korean J Anesthesiol. 2010 Jun;58.

CNS monitoring, EEG analysis & Neurocritical Care

Related Research
Chung J, Park W, Hong SH, Park JC, Ahn JS, Kwun BD, Lee SA, Kim SH, Jeon JY. Intraoperative use of transcranial motor/sensory evoked potential monitoring in the clipping of intracranial aneurysms: evaluation of false-positive and false-negative cases. J Neurosurg. 2018 Mar 23:1-13.
Jun IG, Shin WJ, Park YS, Song JG, Kim YK, Hwang GS. Factors affecting intraoperative changes in regional cerebral oxygen saturation in patients undergoing liver transplantation. Transplant Proc. 2013 Jan-Feb;45(1):245-50.
Lee A, Kim SH, Hong JY, Hwang JH. Effect of Anesthetic Methods on Cerebral Oxygen Saturation in Elderly Surgical Patients: prospective, randomized, observational study. World J Surg. 2012 Oct;36(10):2328-34.
Song JG, Jeong SM, Shin WJ, Jun IG, Shin K, Huh IY, Kim YK, Hwang GS. Laboratory variables associated with low near-infrared cerebral oxygen saturation in icteric patients before liver transplantation surgery. Anesth Analg. 2011 Jun;112(6):1347-52.