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윤여규(Yeo Kyu Youn),최국진(Kuk Jin Choe),우병완(Byung Won Woo) 대한소화기학회 1989 대한소화기학회지 Vol.21 No.3
N/A Rectovaginal fistula is a relatively rare disease in surgical field. Its incidence is reported as less than 5% in anorectal fistula. This study was based on 20 cases of rectovginal fistulas during 10 years from January 1st, 1978 to December 31th, 1988 at the Department of Surgery, Seoul National University Hospital. The results were as follows; 1) Age ranged from 22years to 68years. The peak incidence was in 5th decades. 2) Considering the etiologic distribution, cancer invasion, iatrogenic injury, obstertric injury and chemical injury were 40%, 30%, 25%, 5%, respectively. In the age group below 39years, trauma was the leading cause of rectovaginal fisrula(5/6), but in the age group above 49years, cancer invasion was leading cause(8/14). 3) Causative operations of 6 iatrogenic injury patients were one Weltheims operation due to cervix ca., one transabdominal hysterectony and bilateral salphingo-oophorectomy due to cervix ca, one bilateral oophorectomy due to ovarian cystic teratoma, one low anterior resection due to rectal ca and two dilatation and currettages. 4) The most frequent symptom was vaginal feces passage(69%). 5) Main repair procedure was primary closure and the overall success rate was 50%. The success rate in primary closure only was 60% and the success rate in primary closure with colostomy was 25 %
윤여규 ( Yeo Kyu Youn ),배성환 ( Sung Hwan Bae ),최재운 ( Jae Won Choi ),조홍래 ( Houng Rae Cho ),김진복 ( Jin Pok Kim ) 대한외상학회 1988 大韓外傷學會誌 Vol.1 No.2
It is qenerally accepted that high oxygen tension in local wounds accelerate the activity of fibroblast which is an essential component for wound healing. In the present study. wound infection were made In rats using four standard inocular of streptococcus aureus (3.0X108) injected into subcutaneous wounds. The inoculation was done on the day of stripping, a 2X2 cm2 area of the dorsal skin from the rat. One uninoculated wound served as a control in each group. We directly measured the wound size by computer digitizer and the wound oxygen tension using Oxymeter, after applying a 1% povidone-iodone solution soaking (Group II), local TCDO applicafion (Group Ⅲ) fwice a day in each groups and using a hyperbaric chamber conditioned by 2.4 ATA for 90 minutes (Group Ⅳ). Also, we cultured the infected wounds and counted the colony numbers, after three day``s inoculation in each groups (×10(-2)). We found that the rate of wound healing and the tissue P02 in Group Ⅲ were very high, compared to the other groups The colony counts from the infected wound was high only in Group Ⅳ Also, culture counts were significantly low in the plasma with TCDO group .
장 허혈-재관류에서 폐조직의 Inducible Nitric Oxide Synthase 유전자 발현에 대한 저체온증의 효과
김규석 ( Kyu Seok Kim ),이정훈 ( Jeong Hun Lee ),서길준 ( Gil Joon Suh ),윤여규 ( Yeo Kyu Youn ),강영준 ( Young Joon Kang ),김민아 ( Min A Kim ),조상기 ( Sang Ki Cho ),신효범 ( Hyo Keun Shin ) 대한외상학회 2006 大韓外傷學會誌 Vol.19 No.1
Purpose: Although hypothermia has been used in many clinical situations, such as post cardiopulmonary resuscitation, stroke, traumatic brain injury, septic shock, and hemorrhagic shock, the mechanism by which it works has not been clearly elucidated. We aimed to evaluate the effect of hypothermia on the plasma nitric oxide (NO) concentration, lung iNOS expression, and histologic changes in intestinal ischemia-reperfusion (IR). Method: Male Sprague-Dawley rats were randomly divided into the hypothermia group (HT, n=8, 27~30℃) and the normothermia group (NT, n=8, 36~37℃). They underwent 30 min of intestinal ischemia by clamping the superior mesenteric artery, which was followed by 1.5 h of reperfusion. They were then sacrificed. The acute lung injury (ALI) score, the plasma NO concentration, and lung iNOS gene expression were measured. Results: Compared with the HT group, the NT group showed severe infiltrations of inflammatrory cells, alveolar hemorrhages, and interstitial hypertrophies in lung tissues. There were significant differences in the ALI scores between the NT and the HT groups (8.7 ± 1.5/HPF in NT vs 5.8 ± 1.2/HPF in HT, p=0.008). Although the plasma NO concentration was slightly lower in the HT group, there was no significant difference between the two groups (0.80 ± 0.24 μmol/L in NT vs 0.75 ± 0.30 μmol/L in HT, p=0.917). Lung iNOS gene expression was stronger in the NT group than in the HT group. The band density of the expression of iNOS in lung tissues was significantly increased in the NT group compared to the HT group (5.54 ± 2.75 in NT vs 0.08 ± 0.52 in HT, p=0.002). Conclusions: This study showed that hypothermia in intestinal IR reduces inflammatory responses, ALI scores, and iNOS gene expression in lung tissues. There was no significant effect of hypothermia on the plasma NO concentration. (K Korean Soc Traumatol 2006;19:14-20)
장명철,노동영,윤여규,최국진,오승근,Myung Chul Chang,M,D,Dong-Young Noh,M,D,Yeo- Kyu Youn,M,D,Kuk Jin Choe,M,D,and Seung Keun Oh,M,D 대한갑상선-내분비외과학회 2003 The Koreran journal of Endocrine Surgery Vol.3 No.2
Purpose: Primary aldosteronism due to an adrenal cortical adenoma is a surgically curable disease. However, hypertension is known to persist postoperatively in many patients. The aim of this study was to determine the factors influencing the long-term outcome of blood pressure after an adrenalectomy for a primary aldosteronism and to evaluate the changing pattern of renin and aldosterone. Methods: Forty-two cases of primary aldosteronism, which were operated on and followed up at the Department of Surgery, Seoul National University Hospital from January 1986 to June 2001 were included in this study. The subjects were classified into a normotensive group and a hypertensive group and the two groups were compared according to the clinical, biochemical and pathological parameters. Results: After surgery, the aldosterone concentration was decreased and the plasma renin activity was increased. During a mean follow-up period of 28 months, 31 patients (73.8%) had a normal blood pressure without an antihypertensive treatment. The significant risk factors for persistent hypertension were a family history of hypertension, a long duration of preoperative hypertension, a poor response of preoperative spironolactone. The hypertensive group had a higher level of postoperative plasma renin activity and an aldosterone concentration in the long-term follow-up period after surgery. Conclusion: A family history of hypertension, the duration of hypertension and the response to spironolactone were factors influencing persistent hypertension after surgery for a primary aldosteronism. A high level of plasma renin activity and aldosterone during the follow-up period is related to the persistent hypertension. Therefore, early detection and surgery for a primary aldosteronism would reduce the preoperative cardiovascular changes and improve the postoperative outcome. (Korean J Endocrine Surg 2003;3:141-146)
국소 재발 및 진행성 골반내 장기 암의 외과적 골반내 장기 적출술에 대한 임상 연구
이홍주 ( Hong Joo Lee ),윤여규 ( Yeo Kyu Youn ),최국진 ( Kuk Jin Choe ) 대한소화기학회 1988 대한소화기학회지 Vol.20 No.3
N/A A retrospective clinical study was done on the 20 patients who had pelvic exenteration for recurrent or locally advanced intrapelvic malignancies during 10 years, from Jan. 1978 to Dec. 1987, in the department of surgery, S.N.N.H The results are as follows; 1) 1 he male to female sex ratio was 1:4 and it was most popular in the 6th decade. Also the mean age was 48.6 years old. 2) Of all 20 cases, total pelvic exenteration (TPE) was performed in 8 cases (40%), posterior pelvic exenteration (PPE) in 12 cases (60%), and anterior pelvic exenteration (APE) for none. 3) Operations for locally advanced primary malignant diseases were performed in 13 cases, for recurrent malignancies in 6 cases, and for post-irradiation necrosis in 1 case. 4) The most frequent chief complaints were bowel habit change (9 cases), urinary symptoms (3 cases), vaginal bleeding or discharge (3 cases), palpable mass (3 cases), and perianal pain (2 cases) in orders. 5) Operative and hospital mortality were none. 6) The average operating time was 6 hours and the average amount of blood transfusion was 9.5 pints of whole blood. 7) 14 postoperative complications were found in 11 patients and the most frequent complication was that of urinary system (6 cases). Complication rate was 55%(11/20). 8) Perinea] wound repair was done with simple gauze packing in 3 cases, primary closure with insertion of penrose drain in,3 cases, myocutaneous thigh flap in 1 case and primary closure with inserfion of hemovac in 13 cases. 9) Artifitial urinary bladder was made with termina] ileal segment in most cases of TPE including Kocks continent pouch in 1 case. 10) All patients with endometrial or cervical carciroma of the uterus died within 1 year. One patient with post-irradiation necrosis is still alive until now (8 years and 3 months). Among the remainder patients, 2 patients lived more than 5 years and 3 more than 3 years.