1.An Experimental Study on Sweat Secretion During 2 Hours of Heat Exposure.
Chung Koo CHO ; Won hyoung KANG ; Sung Nack LEE
Korean Journal of Dermatology 1984;22(2):127-136
Impaired sweating reportedly has been associated with a high incidence of heat pyrexia. An important cause is attributed to sweat gland fatigue following intense prolonged sweating. For further investigation, sweat gland fatigue was induced by heat exposure for 2 hours in a hot room (dry bulb 46c, wet bulb 37c) with 9 healthy subjects. Sweating rate of the right forearm increased progressively for the first 45 minutes with a maximum value of 40.0mg/4. 91 cm2/15 min followed by a slow decrease to 24.9 mg/4.91cm2/15 min at the end of 2 hours. Active sweat pores decreased in number following 2 hours of heat exposure but the differences were not significant statistically. In spite of the higher sweat rate on the back, the number of active sweat pores was smaller as compared to the right forearm. Na+ concentrations of the second hour sweat collections were higher than those of the first hour with difference of 14. 9 mEq/l on the right forearm and 12.3 mEq/1 on the back.
Fatigue
;
Fever
;
Forearm
;
Hot Temperature*
;
Incidence
;
Sweat Glands
;
Sweat*
;
Sweating
2.Extracorporeal Membrane Oxygenation for 67 Days as a Bridge to Heart Transplantation in a Postcardiotomy Patient with Failing Heart and Mediastinitis.
Hyoung Woo CHANG ; Yang Hyun CHO ; Suhyun CHO ; Kiick SUNG ; Pyo Won PARK
Korean Journal of Critical Care Medicine 2015;30(4):295-298
We report a case of successful heart transplantation after 67 days of support with venoarterial extracorporeal membrane oxygenation (ECMO) in a patient who underwent surgery for type A aortic dissection and myocardial infarction complicated by irreversible myocardial damage and a deep sternal wound infection. During ECMO support, left heart vent and distal limb perfusion were performed. Mediastinitis was treated with mediastinal washout and irrigation. Multiple complications from peripheral ECMO were successfully managed.
Cardiomyopathies
;
Extracorporeal Membrane Oxygenation*
;
Extremities
;
Heart Transplantation*
;
Heart*
;
Humans
;
Mediastinitis*
;
Myocardial Infarction
;
Perfusion
;
Shock
;
Transplantation
;
Wound Infection
3.A case of malignant lymphoma presenting as acute renal failure.
Hyun Jae SHIN ; Dae Ryong CHA ; Won Yong CHO ; Hyoung Kyu KIM ; Nam Hee WON
Korean Journal of Nephrology 1993;12(3):470-475
No abstract available.
Acute Kidney Injury*
;
Lymphoma*
4.The effect of systemic nifedipine pretreatment on renal function & plasma renin activity in experimental ischemic acute renal failure.
Won Choong CHOI ; Dae Ryong CHA ; Young Joo KWON ; Won Yong CHO ; Hyoung Kyu KIM
Korean Journal of Nephrology 1991;10(4):534-544
No abstract available.
Acute Kidney Injury*
;
Nifedipine*
;
Plasma*
;
Renin*
5.Clinical significance of cellular immunity in the renal interstitium of IgA nephropathy.
Tae See CHUNG ; Young Joo KWON ; Won Yong CHO ; Hyoung Kyu KIM ; Nam Hee WON
Korean Journal of Nephrology 1991;10(2):157-165
No abstract available.
Glomerulonephritis, IGA*
;
Immunity, Cellular*
;
Immunoglobulin A*
6.Clinical significance of cellular immunity in the renal interstitium of IgA nephropathy.
Tae See CHUNG ; Young Joo KWON ; Won Yong CHO ; Hyoung Kyu KIM ; Nam Hee WON
Korean Journal of Nephrology 1991;10(2):157-165
No abstract available.
Glomerulonephritis, IGA*
;
Immunity, Cellular*
;
Immunoglobulin A*
7.Effect of Calcium Channel Blocker on Gene Expression of Renin after lschemic Renal Injury.
Kyu Beck LEE ; Dae Ryong CHA ; Yong Seop KIM ; Won Yong CHO ; Hyoung Kyu KIM
Korean Journal of Medicine 1997;53(3):325-333
OBJECTIVES: lschemic acute renal failure(ARF) is characterized by an abrupt and sustained decline in GFR within minutes to days after renal ischemia and not immediately reversed on restoration of renal blood flow. The typical delay of a few days to a few weeks suggests reversible parenchymal damage awaiting cell regeneration for functional recovery. Many potentially cell damaging factors, such as ATP depletion, plasma membrane phospholipid degradatian and superoxide-induced membrane damage, play a central part in ischemic injury. More recently, much attention has been focused on the role of calcium, especially ischemic cell injury and the possible therapeutic role of calcium channel blockers emerged from studies conducted several years ago. In the past, it was thought that activation of renin-angiotensin system plays a role in the pathogenesis of ARF. Now the role of angiotensin in human renal ischemia also appears to be controversial. The following study was done in order to investigate the effect of a calcium channel blocker, nifedipine, on gene expression of renin during acute ischemic renal injury. METHODS: The Sprague-Dawley rats were divided into 4 groups, group I(n=3) as the control, group II (n=3) as the sham operation group, group III(n=15) as the ischemic renal injury group without nifedipine pretreatment, and group IV(n=15) as the ischemic renal injury model by right nephrectomy and left renal artery clamping for 40 minutes with systemic nifedipine pretreatment(10mg/kg), 1n ischemic renal injury model(group III and IV), rats were further divided into three subgroups according to reperfusion time of 1,24,72 hours. The non-ischemic right kidney removed at the time of initial procedure served as paired control. Total renal RNA was extracted by Chomczynskis method and electrophoresis was done in a 1% agarose gel containing 2,2M formaldehyde. Northern was performed at 42degrees C with isotope labeled renin probe for 18 hours, Autoradiographs were obtained and quantitated by a densitometer measured at 530nm. RESULTS: 1) The expression of renin gene was markedly decreased after renal ischemia and slowly recovered to one half of the control level after 72 hours of reperfusion. 2) Renin gene expression pattern of ischemic renal injury with prior nifedipine treatment was similar to the ischemic group without nifedipine pretreatment. CONCLUSION: These findings suggest that the renin gene expression was markedly decreased after renal ischemia and slowly recovered. Systemic nifedipine pretreatment does not have a significant effect on gene expression pattern of renin in ischemic renal injury.
Adenosine Triphosphate
;
Angiotensins
;
Animals
;
Calcium Channel Blockers
;
Calcium Channels*
;
Calcium*
;
Cell Membrane
;
Constriction
;
Electrophoresis
;
Formaldehyde
;
Gene Expression*
;
Humans
;
Ischemia
;
Kidney
;
Membranes
;
Nephrectomy
;
Nifedipine
;
Rats
;
Rats, Sprague-Dawley
;
Regeneration
;
Renal Artery
;
Renal Circulation
;
Renin*
;
Renin-Angiotensin System
;
Reperfusion
;
RNA
;
Sepharose
8.A Case of Scabies Combined with Superficial Dermatophytosis: affrevated by topical fluorinated steroid.
Kyung Hee WHANG ; Won hyoung KANG ; Chang Jo KOH ; Chung Koo CHO
Korean Journal of Dermatology 1981;19(3):377-381
A case of scabies combined with superficial dermatophytosis which was aggravated by application of topical fluorinated steroid for 6 months is presented. One year ago a 60-year-old male began to have pruritic erythematous papules on the lower abdomen which spread slowly to the inguinal and buttock area. He had had onychomycosis for six years and for the last 6 months he had applied a. fluorinated steroid. preparation. After application of steroid, the aggravated skin lesions spread rapidly over the whole body. A KOH mount showed sarcoptes scabiei and fungus. A count of itch mites from scales brushed off and collected from. the overall surface of the patients body showed 263 adults, 169 Iarvae and 534 eggs. T. rubrum from a culture of scales from the trunk and nails was confirmed. On admission FBS and oral GTT test revealed diabetic curve, however it could not be determined whether the diabetes mellitus was primary or secondary to the use of topical steroid application. The patient has been treated with crotamiton cream and antifungal agent with remarkably effective results.
Abdomen
;
Adult
;
Buttocks
;
Diabetes Mellitus
;
Eggs
;
Fungi
;
Humans
;
Male
;
Middle Aged
;
Mites
;
Onychomycosis
;
Ovum
;
Sarcoptes scabiei
;
Scabies*
;
Skin
;
Tinea*
;
Weights and Measures
9.A Case of Tick Bite Caused by Ixodes Species.
Won Hyoung KANG ; Kyung Hun CHANG ; Soo Ill CHUN ; Chang Jo KOH ; B K CHO
Korean Journal of Dermatology 1982;20(5):789-793
The importance of the ticks in medical field has been emphasized because of their association with and transmission of various diseases. We report herein a case of tick bite in a 55-year-old male farmer, who visited our hospital on July 2, 1981 with a parasite attached on right lower flank and rice to small pea sized, pruritic erythematous papular skin eruptions on chest and right lower flank. The skin lesions disappeared completely with.in five days after removal of the parasite, which was identified with an adult female tick which belongs to Genus Ixodes.
Adult
;
Female
;
Humans
;
Ixodes*
;
Male
;
Middle Aged
;
Parasites
;
Peas
;
Skin
;
Thorax
;
Tick Bites*
;
Ticks*
10.Central Vein Occlusion in Hemodialysis Patients
Journal of the Korean Society for Vascular Surgery 1998;14(2):330-337
As the increasing incidence of the double lumen catheterization (Quinton catheter) for temporal hemodialysis, central vein occlusion, a serious complication which can cause arteriovenous fistula failure, occurred more frequently. Severe arm edema, pain with venous hypertension and insufficient fistula function suggest central vein obstruction and this can be confirmed by color duplex sonography or venography. This kind of occlusion should be treated promptly because it is closely related with arteriovenous fistula function. Division and ligation of fistula is one option but to salvage the fistula is more recommendable. For this purpose, thrombolysis, percutaneous transluminal balloon angioplasty (PTA) with or without stent insertion, direct surgical approach to the obstructed vein, surgical bypass using autogenous vein or artificial graft are performed according to the site and degree of the obstruction. From January 1995 through December 1997, we experienced 9 cases of subclavian vein or innominated vein occlusion which were detected by angiogram in hemodialysis patients. Four cases were treated by PTA with one case of thrombolysis at the same time. Two of them developed recurred symptoms at 3 and 6 months after PTA. The previous fistula were ligated and made a new basilic vein reposition arteriovenous fiatulas were made at opposite arm. Among the remaining 5 cases, surgical bypass was performed between internal jugular vein and subclavian vein in 2 cases, between axillary vein and opposite subclavian vein in 3 cases using 8 mm PTFE graft. One out of 5 surgical bypass group showed recurred occlusion at 16 months and that patient died soon after that occlusion. Another one showed partial occlusion of bypassed graft but the symptoms were mild so we could continue hemodialysis without problems. The remained 3 cases were patent for more than 13 months of their follow up. In summary, to salvage the failed fistula by central vein obstruction, aggressive procedure such as surgical bypass using artificial graft to opposite central vein also be considered with PTA.
Angioplasty, Balloon
;
Arm
;
Arteriovenous Fistula
;
Axillary Vein
;
Catheterization
;
Catheters
;
Edema
;
Fistula
;
Follow-Up Studies
;
Humans
;
Hypertension
;
Incidence
;
Jugular Veins
;
Ligation
;
Ocimum basilicum
;
Phlebography
;
Polytetrafluoroethylene
;
Renal Dialysis
;
Stents
;
Subclavian Vein
;
Transplants
;
Veins