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Original Article
Neonatology (Perinatology)
Evaluation of prolonged pain in preterm infants with pneumothorax using heart rate variability analysis and EDIN (Échelle Douleur Inconfort Nouveau-Né, neonatal pain and discomfort scale) scores
Mehmet Buyuktiryaki, Nurdan Uras, Nilufer Okur, Mehmet Yekta Oncel, Gulsum Kadioglu Simsek, Sehribanu Ozluer Isik, Serife Suna Oguz
Clin Exp Pediatr. 2018;61(10):322-326.   Published online September 16, 2018

Purpose: The EDIN scale (Échelle Douleur Inconfort Nouveau-Né, neonatal pain and discomfort scale) and heart rate variability has been used for the evaluation of prolonged pain. The aim of our study was to assess the value of the newborn infant parasympathetic evaluation (NIPE) index and EDIN scale for the evaluation of prolonged pain in preterm infants with chest tube placement...
Baseline heart rate variability in children and adolescents with vasovagal syncope
Sun Hee Shim, Sun-Young Park, Se Na Moon, Jin Hee Oh, Jae Young Lee, Hyun Hee Kim, Ji Whan Han, Soon Ju Lee
Clin Exp Pediatr. 2014;57(4):193-198.   Published online April 30, 2014
Purpose

This study aimed to evaluate the autonomic imbalance in syncope by comparing the baseline heart rate variability (HRV) between healthy children and those with vasovagal syncope.

Methods

To characterize the autonomic profile in children experiencing vasovagal syncope, we evaluated the HRV of 23 patients aged 7-18 years and 20 healthy children. These children were divided into preadolescent (<12 years) and adolescent groups....

Decreased Nonlinear Coupling of Peripheral Blood Volume to Heart Rate in Preterm Infants
Eun-Young Park, Chang-Ryul Kim, Myung-Kul Yum
Clin Exp Pediatr. 2004;47(4):386-391.   Published online April 15, 2004
Purpose : We investigated the autonomic nervous and complex modulation of heart rate and peripheral blood volume, and linear and nonlinear coupling between heart rate and peripheral blood volume in full-term and preterm infants. Methods : In twenty healthy preterm infants and twenty full-term infants at postconceptional age of 30-37 and 38-41 weeks each, we recorded electrocardiogram and photoplethysmogram simultaneously during...
Heart Rate Variability and Autonomic Activity in Patients Affected with Rett Syndrome
Deok Young Choi, Jin Ha Chang, Hee Jung Chung
Clin Exp Pediatr. 2003;46(10):996-1002.   Published online October 15, 2003
Purpose : In Rett syndrome patients, the incidence of sudden death is greater than that of the general population, and cardiac electrical instability including fatal cardiac arrhythmia is a main suspected cause. In this study, we are going to find out the possible cause of the higher risk of sudden death in Rett patients by the evaluation of heart rate...
The Effectiveness of Propofol on Pediatric Cardiac Catheterization and Electrophysiologic Study
Woo Saeng Park, Myung Chul Hyun
Clin Exp Pediatr. 2001;44(7):773-777.   Published online July 15, 2001
Purpose : Our purpose was to evaluate the effectiveness of propofol on pediatric cardiac catheterization or radiofrequency catheter ablation. Methods : We measured the serial changes of arterial oxygen saturation, heart rate, systolic and diastolic blood pressure at 4 stages, a baseline(during normal sleep), stage 1(just after loading of propofol 2 mg/kg over 10 minutes), stage 2(10-15 minutes after propofol continuous...
The Relationship between Change of Cardiac Function and Systemic Oxygen Consumption according to the Dose of Dopamine in the Rabbit
Hee Ju Park, Seok Ho Yoon, Bong Seok Choi, Jung Hwoi Cho, Ku Tae Kim, Sun Young K, Sang Ook Nam, Bok Luel Lee
Clin Exp Pediatr. 2001;44(2):177-184.   Published online February 15, 2001
Purpose : We'd like to know the relationship between the changes of cardiac function and systemic O2 consumption according to the increasing dose of dopamine. Methods : Ten rabbits(from 2kg to 2.8kg) were used in this experiment. Anesthesia was induced with intraperitoneal pentobarbital sodium(35mg/kg) and tracheostomy was done. It was maintained by ventilation with a mixture of 1-3% halothane and 67-69%...
Developmental Changes of Spectral and Chaotic Indexes of Heart Rate Variability in Normal Fetuses
Jee-Young Jung, Myung-Kul Yum, Nam-Su Ki, Jae-Won Oh, Chang-Ryul Kim, Jung Hye Hwang, Moon-Il Park
Clin Exp Pediatr. 1998;41(10):1380-1388.   Published online October 15, 1998
Purpose : The purposes of this study were to determine the normal values of spectral and chaotic indexes and to assess the maturational process of autonomic and chaotic control of fetal heart rate according to gestational age. Methods : Three hundred and thirty-seven mothers with normal singleton pregnancies, who were 23 weeks or more in gestational age, was randomly chosen. For...
Development of Approximate Entropy of Fetal Heart Rate Varibility during Normal Pregnancy
Myung Kul Yum, Jung Hye Hwang, Moon Il Park
Clin Exp Pediatr. 1997;40(4):464-472.   Published online April 15, 1997
Purpose : The approximate entropy of heart rate variability has recently been used as a tool in evaluating cardiovascular health and physiology and in diagnosing pertubated physiologic status, by quantifying the irregularity and the pattern of the heart rate variability. Therefore approximate entropy of the fetal heart rate variability will be used as an important tool in studying the fetal...
Comparison of Graded and Bolus Infusion Methods in Baroreflex Measurements in Rabbits
Chan Uhng Joo
Clin Exp Pediatr. 1995;38(1):61-65.   Published online January 15, 1995
Graded infusion and bolus injection methods of vasoactive drugs have both been used to measure baroreflex sensitivity. To determine whether the two methods produce the same values of baroreceptor sensitivity, phenylephrine and nitroglycerin was administered intravenously by both graded infusion and bolus injection methods to 11 rabbits. To evaluate the baroreflex control of heart rate(HR), a logistic sigmoid function model...
Clinical Observation of Meconium Aspiration Syndrome : In Relation to Fetal Heart Rate Monitoring
Young Ran Yoon, Jin Sook Kim, Mi Kyung Kim, Sun Young Kho, Seong Ja Lee, Mi Jung Kim, Hye Kyung Han, Kyung Hoon Choi, Mi Na Lee
Clin Exp Pediatr. 1993;36(12):1656-1662.   Published online December 15, 1993
To identify the neonates at the risk of having meconium aspiration syndrome, the perinatal characteristics and finding of fetal heart rate monitorings in 366 neonates who had meconium-stained amniotic fluid were retrospectively reviewed. The results were as follows ; 1) Overall incidence of MAS was 0.7%. 2) Mortality rate of MAS was 5.8%. 3) The mean Apgar scores at 1-and 5-minute were...
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