1.The Effects of Aprotinin on ACT and the Total Amount of Heparin for Open Heart Surgery.
Hyun Woo LEE ; Jae Woong LEE ; Chul Hyun PARK ; Kook Yang PARK
The Korean Journal of Thoracic and Cardiovascular Surgery 2000;33(7):560-564
BACKGROUND: Aprotinin, which is a nonspecific serine protease inhibitor, has an antiinflammatory and thrombogenic effect. However, it has an antithrombogenic effect during the cardiopulmonary bypass. This study was performed to evaluated the effects of aprotinin on the activated clotting time(ACT) and the total amount of the heparin used during the cardiopulmonary bypass. MATERIAL AND METHOD: From December 1998 to November 1999, 82 consecutive patients electively underwent open heart surgery at Gachon medical school. The patients were older than 18 years. Eighty two patients were classified into a control group(group C, n=36) and a aprotinin-treated group(group A, n=46). Body weight, height, body surface area(BSA), pump time(PT), aortic cross clamping time(ACCT), and body temperature(BT) were determined. Total amount of heparin and protamine during the CPB were also measured. ACT was determined before heparin administration, at 20, 40 and 60 minutes after heparin administration, and after protamine administration. RESULT: No significant differences were noted in either group in body weight, height, BSA, BT, and the total amoun of heparin and protamine. Group A demonstrated a significant(p<0.05) increase in age, PT, ACCT, and ACT at 20, 40, and 60 minutes after heparin administration. CONCLUSION: In summary, the use of aprotinin prime resulted in an increase in ACT. The total amount of heparin in aproinin-treated patient was similar to that of the control group in spite of having the prolonged pump time. Therefore aprotinin may reduce the requirement of heparin.
Aprotinin*
;
Body Height
;
Body Weight
;
Cardiopulmonary Bypass
;
Constriction
;
Heart*
;
Heparin*
;
Humans
;
Schools, Medical
;
Serine Proteases
;
Thoracic Surgery*
2.Correction of inverted nipple using two Rotational Dermal flaps.
Yeon Woong OH ; Dae Hyun LEW ; Chul PARK ; Beyoung Yun PARK
Journal of the Korean Society of Aesthetic Plastic Surgery 1997;3(1):74-80
The patient with unilateral or bilateral inverted nipple has both functional and cosmetic impairments. The structural and histopathologic features of inverted nipple are that inverted nipple has less fibromuscular tissue than normal nipple and has short lactiferous duct and dense fibrous tissue. For these reasons, surgical correction of inverted nipple requires release of the short lactiferous ducts and providing the bulkiness under the nipple. We combined the concept of both adding the bulkiness under the nipple and creating a tight neck at its base without sacrificing the duct system. We rotated the bilateral diamond shaped deepithelized dermal flaps around the nipple areolar complex for providing the nipple bulkiness without division of lactiferous duct and reinforced it with the purse-string suture around the dermal flap for providing the stability. This two rotational dermal flap method was applied 12 inverted nipple in 6 patients and followed up for 2 months to 24 months. We have got the satisfactory results in cosmetic and functional aspect without any complication such as sensory change, relapse, and nipple necrosis.
Diamond
;
Humans
;
Neck
;
Necrosis
;
Nipples*
;
Recurrence
;
Sutures
3.Biologic Wet Dressing with Amnion in Muscle Necrosis of Lower Extremity Caused by Acute Limb Ischemia.
Go Woon WOO ; Chul Woong MOON ; Sang Eun SONG ; Hyun Chul KIM
Journal of the Korean Surgical Society 2006;70(4):334-339
Early treatment to facilitate the muscular blood flow can avert myonephropathic metabolic syndrome (MNMS) and major amputation for patients suffering with acute limb ischemia. Delayed reperfusion or microemboli in the small vessels can aggreviate: ischemic changes and lead to irreversible muscle necrosis. Amnion is an excellent biological dressing, and we tried using it to treat anterior compartment muscle necrosis (ACMN). The amnions were aseptically collected from caesarean sections. Additional betadine (1 : 3 solution) and vaseline-soaked gauzes were applied over the amnion as a daily biologic wet dressing. The amnion was replaced every three days. Finally, split skin grafting was performed on the healthy granulation tissue. We treated two patients who happened to have shin muscle necrosis. A 65-year-old man with a femoro-femoral arterial bypass showed graft thrombosis. Thirteen days after performing balloon angioplasty with stent insertion in the right femoral artery, new emboli were found in the stent and in the left popliteal artery. There was an attack of myocardial infarction the next day after embolectomy. The severe MNMS and ACMN at the right shin occurred after cardiopulmonary resuscitation. The dry gangrene was excised 3 months later, and this was followed by a skin graft 4 months later. An 81-year-old woman with atrial fibrillation showed left common femoral arterial obstruction and ACMN on the left shin during the management of congestive heart failure. The dry gangrene was excised 2 months later, and this was followed by a skin graft 3 months later. The amnion dressing shows promises for providing healthy granulation tissue for split skin grafts when treating muscle necrosis of the leg. Biologic dressing with using amnion is an option for limb salvage in the case of muscle necrosis that is caused by acute limb ischemia, although the treatment takes a long time.
Aged
;
Aged, 80 and over
;
Amnion*
;
Amputation
;
Angioplasty, Balloon
;
Atrial Fibrillation
;
Bandages*
;
Biological Dressings
;
Cardiopulmonary Resuscitation
;
Cesarean Section
;
Embolectomy
;
Extremities*
;
Female
;
Femoral Artery
;
Gangrene
;
Granulation Tissue
;
Heart Failure
;
Humans
;
Ischemia*
;
Leg
;
Limb Salvage
;
Lower Extremity*
;
Myocardial Infarction
;
Necrosis*
;
Popliteal Artery
;
Povidone-Iodine
;
Pregnancy
;
Reperfusion
;
Skin
;
Skin Transplantation
;
Stents
;
Thrombosis
;
Transplants
4.The relationship between self esteem and physical health.
Hyun Joo JUNG ; Woong Chul SHIN ; Tae Jin PARK ; Byung Sung KIM ; Ean Ju LIM ; Seung Woong GWAK ; Ka Young LEE
Journal of the Korean Academy of Family Medicine 1997;18(2):136-146
BACKGROUND: Psychogenic and physical aspects of health is interesting issue in the field of family medicine. We intended to study the relationship between physical illness and symptoms with self esteem, and hoped to understand disease in general behavioral context. METHODS: We selected 124 persons who visited family medicine OPD in Paik Hospital from August 3 to August 20, 1995, and answered questionnaire frankly. The qestionnaire consisted of Rosenberg self esteem scale as paremeter of self esteem and Hopkins symptom check list as parameter of physical health. The third author analyzed the medical record and rated the severity of disease as grade I-VII, for another parameter of physical health. The other factors-age, sex, marriage, education level, family, income-were analyzed by self esteem. RESULTS: We divided the study population into two groups, low self esteem group and high self esteem group. In low self esteem group, the persons complain more symptoms in Hopkins symptom check list significantly(P=0.009). Those who were highly educated had significantly higher self esteem(P=0.047). The severity of disease, sex, age, marriage, type of family, income showed no significant relationship with self esteem. CONCLUSIONS: The education level was the factor that influence self esteem. The person of low self esteem complains more symptoms. So we should consider self esteem in medical practice.
Education
;
Hope
;
Humans
;
Marriage
;
Medical Records
;
Self Concept*
;
Surveys and Questionnaires
5.The relationship between self esteem and physical health.
Hyun Joo JUNG ; Woong Chul SHIN ; Tae Jin PARK ; Byung Sung KIM ; Ean Ju LIM ; Seung Woong GWAK ; Ka Young LEE
Journal of the Korean Academy of Family Medicine 1997;18(2):136-146
BACKGROUND: Psychogenic and physical aspects of health is interesting issue in the field of family medicine. We intended to study the relationship between physical illness and symptoms with self esteem, and hoped to understand disease in general behavioral context. METHODS: We selected 124 persons who visited family medicine OPD in Paik Hospital from August 3 to August 20, 1995, and answered questionnaire frankly. The qestionnaire consisted of Rosenberg self esteem scale as paremeter of self esteem and Hopkins symptom check list as parameter of physical health. The third author analyzed the medical record and rated the severity of disease as grade I-VII, for another parameter of physical health. The other factors-age, sex, marriage, education level, family, income-were analyzed by self esteem. RESULTS: We divided the study population into two groups, low self esteem group and high self esteem group. In low self esteem group, the persons complain more symptoms in Hopkins symptom check list significantly(P=0.009). Those who were highly educated had significantly higher self esteem(P=0.047). The severity of disease, sex, age, marriage, type of family, income showed no significant relationship with self esteem. CONCLUSIONS: The education level was the factor that influence self esteem. The person of low self esteem complains more symptoms. So we should consider self esteem in medical practice.
Education
;
Hope
;
Humans
;
Marriage
;
Medical Records
;
Self Concept*
;
Surveys and Questionnaires
6.Collagen Synthesis by RPE Cells Associated with Proliferative Vitreoretinopathy.
Sung Chul LEE ; Oh Woong KWON ; Soon Hyun KIM
Journal of the Korean Ophthalmological Society 1998;39(8):1801-1807
Collagen, which is newly synthesized by the cellular component, is the major component of extracellular matrix in PVR membranes. The effects of transforming growth factor (TGF)-beta in the synthesis of collagen were evaluated. Tissue culture of PVR membrane was incubated for 19 hours with or without TGF-beta in the absence of serum. Newly synthesized collagen in the membrane were measured by a collagenase-digestion assay. The biosynthetically labeled collagens were analyzed on SDS-polyacrylamide gel electrophoresis. Collagen synthesis was dose-dependently stimulated by TGFbeta. At a concentration of 1ng/ml of TGFbeta1or TGFbeta2,at a concentration of 10ng/ml, induced a 90125% increase in collagen synthesis over that of controls. PVR membranes in culture synthesized predominantly type I, III and V collagen. In conclusion TGFbeta are potent stimulants of collagen.
Collagen*
;
Electrophoresis
;
Extracellular Matrix
;
Membranes
;
Retinal Pigment Epithelium
;
Transforming Growth Factor beta
;
Transforming Growth Factors
;
Vitreoretinopathy, Proliferative*
7.Pathophysiological study on the anemia in hypothyroidism.
Jee Sook HAHN ; Sun Ju LEE ; Hyun Chul LEE ; Yoo Hong MIN ; Kap Bum HUH ; Yun Woong KO
Korean Journal of Hematology 1992;27(1):1-14
No abstract available.
Anemia*
;
Hypothyroidism*
8.Relationship between Iris Color and Skin Color.
Ji Woong KIM ; Hyo Hyun AHN ; Young Chul KYE
Korean Journal of Dermatology 2008;46(11):1500-1506
BACKGROUND: In a study, iris color was positively associated with skin melanin content. So it could be assumed that iris color has a close relationship with skin color. But until recently, classification system of iris color has been subjective and not suitable especially for Asian population for their relative homogeneity of iris color. OBJECTIVE: The purpose of this study was to devise an objective and quantitative method to measure iris and skin color quantitatively and to assess the relationship and its significance. METHODS: We devised photographic system composed of digital camera and tungsten lamp with color temperature conversion filter to acquire adequate iris images for colorimetric investigations. The reference CIELAB coordinates of color chart recorded with reflectance spectrophotometer were compared statistically with computed CIELAB coordinates from digital images in order to find equations for calibrating CIELAB values. To find the dermatological significance, we took pictures of 47 Korean patients with various conditions. They were evaluated with regard to iris color, color of sun-exposed and sun-protected skin. RESULTS: The images obtained with this system were enough to be used for the assessment of iris and skin color. And, it was possible to quantify the iris color, skin color and its difference in colorimetric ways using the methods in this study. Lightness (L*) of sun-exposed skin is decreased to the age. L* of iris has a positive correlation with L* of sun-exposed skin. L* of iris was positively correlated with a* and b* of iris respectively. The relations were very similar with those between L* of iris and each of a* and b* of sun-protected skin. CONCLUSION: Iris color could be assessed by using their images colorimetrically obtained by our method. As L* of iris color has the similar relations with a* and b* in both iris and sun-protected skin, the iris color would be a clue to look for and define the constitutional skin color.
Asian Continental Ancestry Group
;
Colorimetry
;
Humans
;
Iris
;
Light
;
Melanins
;
Skin
;
Tungsten
9.Multiple Subretinal and Intraretinal Hemorrhages as a First Sign of Infective Endocarditis.
Gyu Chul CHUNG ; Chang Ki YOON ; Hyun Woong KIM
Journal of the Korean Ophthalmological Society 2017;58(12):1416-1419
PURPOSE: To report a patient with multiple subretinal and intraretinal hemorrhages in the absence of retinal/choroidal lesions, diagnosed with infective endocarditis (IE). CASE SUMMARY: We describe the case of a 44-year-old male with an acute decrease of vision in his right eye. Ophthalmic evaluation revealed multiple subretinal and intraretinal hemorrhages, but no choroidal or other retinal lesions. A systemic examination revealed a pansystolic murmur and blood cultures with echocardiography were suggestive of IE. CONCLUSIONS: Thorough systemic evaluations are important when patients present with subretinal and intraretinal hemorrhages in the absence of other retinal/choroidal lesions.
Adult
;
Choroid
;
Echocardiography
;
Endocarditis*
;
Hemorrhage*
;
Humans
;
Male
;
Retinal Hemorrhage
;
Retinaldehyde
10.The Weaning Method of inhaled Nitric Oxide.
Hyun Woo LEE ; Jae Woong LEE ; Sung Yeul HYUN ; Ha Chang LEE ; Chul Hyun PARK ; Kook Yang PARK ; Hyeon Su YOO ; Kyung Cheon LEE ; Young Jin JANG
Journal of the Korean Pediatric Society 2001;44(4):413-417
PURPOSE: inhaled nitric oxide(iNO) is an excellent method for the postoperative pulmonary hypertension in congenital heart disease. But more detailed care is needed because of the development of rebound pulmonary hypertension after NO Withdrawal. We performed this study in order to discontinue the iNO successfully by way of presenting the adequate weaning and supplying methods. METHODS: Between January, 1998 and August, 1999 we sudied 10 patients who had rebound pulmonary hypertension(RPH) after iNO withdrawal. We completed the iNO in these patween the first the second trial of the weaning process. We tried to discover the differences between the first and second weaning process. We measured NO concentration at the start and just before NO withdrawal and during the period of weaning process. Moreover, to identify the iNO effects during the weaning of the iNO, we counted the degree of the change of PaO2/FiO2and mean PAP/SAP beween initial and at half of the initial NO concentration. RESULTS: Second weaning had a longer duration weaning process(11+/-0 cersus 5+/- hours, P<0.05), lower NO concentration just before NO withdrawal(2+/-.6 versus 4+/-ppm, P<0.05). In the change of the mean PAP/SAP and PaO2/FiO2as iNO was weaning from the initial iNO concentration to a half of the initial iNO concentration, the degree of increase in mean PAP/SAP(0.026+/-.07 versus 0.054+/-.07, P<0.05) and the degree of decrease in PaO2/FiO2(49+/-4 versus 65+/-2, P<0.05) were smaller in the second in the second weaning process than the first weaning process. CONCLUSION: A successful weaning of iNO can be performed with a low iNO concentration at the start and just before withdrawal and with the long duration iNO weaning process. Moreover, We speculate that the degree of change in the mean PAP/SAP and PaO2/FiO2at the half of the iNO weaning process are an indicator for the development of RPH.
Heart Defects, Congenital
;
Humans
;
Hypertension, Pulmonary
;
Nitric Oxide*
;
Weaning*