1.Transcutaneous Oxygen and Carbon Dioxide Monitoring in Critically Ill Neonates.
Du Young CHOI ; Yong Kweon KIM ; Yeon Kyun OH
Journal of the Korean Pediatric Society 1990;33(9):1202-1208
No abstract available.
Carbon Dioxide*
;
Carbon*
;
Critical Illness*
;
Humans
;
Infant, Newborn*
;
Oxygen*
2.Clinical and Hypotensive Experiences with Diltiazem Hydrochloride(Herben(R))in Essential Hypertension.
In Soon KIM ; IL Young CHOI ; Chung Kyun LEE
Korean Circulation Journal 1986;16(1):121-126
30 patients with essential hypertension were treated with diltiazem (Herben(R))significantly decreased both systolic and diastolic blood pressuer and heart rate. Mean decrease in systolic & diastolic blood pressuer were 38.0+/-4,5mmHg and 16.3+/-2.3 mmHg respectively and mean drop in heart rate was 17+/-2 beats/mm. The side effects of diltiazem (Herben(R)) were mild headache, fatigue and pruritus, but those were insignificant. Diliazem may be of benefit to hypertensive patients, and particularly useful when hypertension occurs in association with coronary artery disease.
Coronary Artery Disease
;
Diltiazem*
;
Fatigue
;
Headache
;
Heart Rate
;
Humans
;
Hypertension*
;
Pruritus
3.The Effect of Procetofene(Lipanthyl(R))on Serum Cholesterol and Triglyceride in Hyperlipidemic Patients.
Il Young CHOI ; In Soon KIM ; Chung Kyun LEE
Korean Circulation Journal 1986;16(3):389-394
We observed the serum cholesterol, triglyceride and HDL-cholesterol values in 25 hyperlipidemic patients with procectofene(LIpanthyl(R))administration. 1) The mean serum lipids before & after procetofene administration was as follows 2) The undersirable effect of the drug was found on 3 patients; those were abdominal fullness, headache & pruritus.
Cholesterol*
;
Fenofibrate
;
Headache
;
Humans
;
Pruritus
;
Triglycerides*
4.Experience of the Clinical Application of the Wagner's Apparatus in the Lower Extremity
Young Kyun WOO ; Myung Sang MOON ; Seung Yeul CHOI
The Journal of the Korean Orthopaedic Association 1985;20(5):807-812
Diaphyseal fractures of the long bone associated with massive soft tissue injury or severe comminution is difficult to treat. Fracture healing is often delayed due to the damaged soft tissue, deep seated wound infection, fracture instability and poor local circulation. The delayed fracture healing necessitates prolonged immobilization of the limb which results in joint stiffness. Various type of fracture treatment was suggested for this type of fractures to ease the treatment. The Wagner's apparatus was one of the device to treat it, which was originally introduced as a device for controlled leg lengthening. Its use also has been expanded to serve as a rigid unilateral external fixation frame for fracture. In order to obtain satisfactory fracture union without adjacent joint contracture, the Wagner's apparatus has been employed by us in three cases who were hospitalized in Kangnam St. May's Hospital. The experience of this technique was very encouraging; therefore we recommend its wide application in fracture treatment in cases of the patient who can not receive the bilateral external fixation frame.
Contracture
;
Extremities
;
Fracture Healing
;
Humans
;
Immobilization
;
Joints
;
Leg
;
Lower Extremity
;
Soft Tissue Injuries
;
Wound Infection
5.A Case of Subepidermal Calcified Nodules Showing An Unusual Clinical Manifestation.
Young Kyoon KIM ; Youn Hong CHOI ; Kyu Cherl CHOI ; Hyoung Kyun KIM
Korean Journal of Dermatology 1983;21(5):595-599
Subepidermal calcified nodules, consisting of solitary circumscribed deposits of insoluble calcium within the subepidermis, have generally been assumed to be idiopathic. As the disease is not associated with any systemic or cutaneous diseases, or any biochemical abnormalities, the pathogenesis is still unexplained, and it is thought to be a definite entity with only a characteristic histopathology. We report a 36-year-old female who has had subepidermal calcified nodules on both upper eyelids symmetrically for about 20 years. It is interesting that the lesions have xanthelasma-like appearance and are associated with syringomas. Excisional biopsy showed typical histopathologic and histochemical features of the sub epidermal calcified nodules.
Adult
;
Biopsy
;
Calcium
;
Eyelids
;
Female
;
Humans
;
Syringoma
6.Pemphigus Vulgaris ; Report of a Case.
Young Lae KIM ; Kil Yun CHO ; Ho Kyun CHOI ; Tae Ha WOO
Korean Journal of Dermatology 1969;7(1):67-70
This 51 years old Korean house wife has been suffered from bullous and erosive eruptions on the abdomen, back, both thigh and legs, duration of three days with sudden onset Prior to admission she has had a erosion on the oral mucosa for one year. The diagnosis of pemphigus vulgaris was confirmed by histopathology and immunoelectrophoresis. This patient was improved with treatment of prednisolone bu Lever's "Logarithmic fashion" and used the maintenance dose of prednisolone without recurrence.
Abdomen
;
Diagnosis
;
Humans
;
Immunoelectrophoresis
;
Leg
;
Middle Aged
;
Mouth Mucosa
;
Pemphigus*
;
Prednisolone
;
Recurrence
;
Spouses
;
Thigh
7.Changes of Power Spectrum of R-R Interval Variability during Recovery from Anesthesia - Preliminary report.
Young Kyun CHUNG ; Heon Geun LEE ; Yoon CHOI
Korean Journal of Anesthesiology 1992;25(5):928-934
Changes of power spectrum of R-R interval variabilty during recovery from N2O-O2 - halothane anesthesia have been studied in 20 patients. Power spectral analysis of R-R intervals during awake period and recovery period have been performed with newly developed R-R interval variability, we compared the power of each frequency range(low: 0.04-0.08 Hz, middle 0.10-0.15 Hz, high: above 0.3 Hz) between awake period and recovery period. There was no difference between awake period and recovery period in the power of low and high frequency ranges, but there was remarkable difference in power of midfrequency range. During awake period the power of midfrequency range changed with cyclic pattern, but there was no cyclic change during recovery period even after the regain of consciounss(30+/-3.2 min.). The power of midfrequency range during recovery period began to change with cyclic pattern only after 45 minutes. It is concluded that the power of midfrequency range is useful index of recovery from N2O-O2 -halothane anesthesia.
Anesthesia*
;
Halothane
;
Humans
8.Develpement of Program for On - line Power Spectral Analysis of R-R Interval Variability.
Yoon CHOI ; Heon Geun LEE ; Young Kyun CHUNG
Korean Journal of Anesthesiology 1992;25(5):870-878
Analysis of R-R interal variability is a useful method of obtaining many information about cardiovascular control mechanisms. Among the many methods of analyzing R-R variability, power spectral analysis(PSA) is said to be the most powerful and acurate tool. Although application of computer techniques in analysing R-R interval variability were introduced, as most of the studies on the R-R interval variability have been off-line and invasively, they were not suitable for practical use. So we prepared a program for non-invasive on-line perioperative assessment of R-R interval variability. We used Turbo C++(ver 1.0, Borland International, USA) and Turbo Assembler(ver 2.0, Borland International, USA) for programing. Data were collected by A/D converter(PCL 718,, Taiwan) by interrupt mode and transferred to TBM386 compatibie computer with VGA color monitor. By applying PSA to R-R interval variation, we can get an almost as confident information about the cardiovascular system as analysis of arterial waveform, In addition to this we can get data that requires very reduced momory size, and get them non-invasively. So analysing R- R interval variability may be the most suitable method for on-line continuous assessment of cardiac parameters.
Cardiovascular System
9.The Effectiveness for Vagal Stimulation by Ice Water Application to Face during Controlled Respiration and Mechanism of Individual Variability of Responsiveness to Vagal Stimulation (Power Spectral Analysis of Heart Rate Variability).
Myung Kul YUM ; Seung Hwan KIM ; Dong Ju CHOI ; Moon Hong DOH ; Young Kyun CHUNG
Korean Circulation Journal 1993;23(4):571-579
BACKGROUND: The effectiveness for vagal stimulation by ice water aplication to face during metronome-controlled respiration of 15 breaths/minute was examed. The importance of basal vagal tone and sympathovagal interaction in the individual variability of responsiveness to the vagal stimulation was investigated. METHOD: Fifty three 12~13 year old healthy volunteers were included. Vagal tone and sympathovagal interaction before and after application of ice water to the face were assessed by power spectral analysis of RR interval(heart rate) variability. RESULT: Basal heart rate, high frequency power, and low to high frequency power ratio were 81+/-13(58~110 beats/min), 791+/-1061(56~4161 msec2) and 1.08+/-1.22(0.04~4.85) during controlled respiration. After ice water application twenty three children developed 5 more nodal escape beats due to severe bradycardia. Minimum heart rate, high frequency power and low to high power ratio changed to 42+/-12(19~72/min), 1890+/-1882(221~7258msec2) and 0.64+/-0.43(0.12~1.46). The increased ratio of high frequency power, maximum heart rate decrement and its percent after stimulation were 5.44+/-5.62(0.63~24.26), 39+/-14(10~81/min) and 47+/-15(16~81%) respectively. The increased ratio of high frequency power was correlated with basal logarithmic high frequency power(r=-0.60, p=0.0004). Maximum heart rate decrement was correlated with basal logarithmic high frequency power(r=-0.41, p=0.0018) and low to high frequency power ratio(r=0.27, p=0.04). CONCLUSION: Application of ice water to the face during controlled respiration produces powerful vagal stimulation and bradycardia, however, there is a wide individual variability of responsiveness to it. The absolute basal vagal tone contribute to this individual variability.
Bradycardia
;
Child
;
Healthy Volunteers
;
Heart Rate*
;
Heart*
;
Humans
;
Ice*
;
Respiration*
;
United Nations
;
Water*
10.Study on the Validity of Radial Arterial Pressure during Cardiopulmonary Bypass.
Yoon CHOI ; Young Kyun CHUNG ; Inn Hyeon SONG
Korean Journal of Anesthesiology 1991;24(1):163-168
We campared radial and femoral arterial blood pressure in 20 patients, ranging in age from 1-27 years, during and after cardiopulmonary bypass for repair of congenital heart disease. Differences in systolic arterial pressure, mean arterial pressure, diastolic arterial pressure were measured between femoral and radial artery pressure at specfied time (30 min after induction, 10 min after rewarming, 10 min after aortic declamping, 30 min after aortic declamping). This study failed to demonstrate the overt inaccuracy of radial arterial pressure measurement during cardiopulmonary bypass, but we could find the tendency that radial artery pressure may be measured inconsistently during and after cardiopulmonary bypass and altered peripheral resistance may contribute to this inconsistency.
Arterial Pressure*
;
Cardiopulmonary Bypass*
;
Heart Defects, Congenital
;
Humans
;
Radial Artery
;
Rewarming
;
Vascular Resistance