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허영수,임명국,김규락,Huh, Young-Soo,Lim, Myeung-Kook,Kim, Kyu-Rak 대한소아외과학회 1998 소아외과 Vol.4 No.1
Infantile hypertrophic pyloric stensosis(IHPS) occurs in three of 1000 live births, and is a major cause of nonbilious vomiting of early infancy. It's etiology and pathogenesis however are still obscure. The operation of pyloromyotomy described by Ramstedt in 1912 remains the standard treatment. From January 1990 to July 1997, 64 infants with IHPS were treated at the Department of Pediatric Sursery, Yeungnam University Hospital. The ratio of male to female was 7:1, and the most prevalent age ranged from 2 weeks to 8 weeks(81.2 %) of age. Fifty-seven infants were first born (57.8 percent). The body weight of all patients at admission was below the 50 percentile. Age of onset of symptoms was between 2 and 4weeks of age in 23 cases(35.9 %). All infants had a history of nonbilious vomting, generally projectile in nature. Hypokalemia was noted in 14 cases(21.9 %) and hypochloremia in 26 cases(40.6 %). In the preoperative ultrasonography, the average muscle thickness, diameter, and length of the pylorus were 6.3 mm, 12.3 mm, and 17.8 mm. A total of 13 associated anomalies were noted in 12 patients. All cases were treated with Fredet-Ramstedt pyloromyotomy. Postoperative wound infection occured in 3 cases. Thirteen cases(20.3 %) presented intermittent nonprojectile vomiting after operation. With control of oral intake vomiting subsided within one week in 63 patients, and in thirteen days in another.

김홍진(Hong-Jin Kim),임명국(Myeung-Kook Lim),손대호(Dae-Ho Son),권굉보(Koing-Bo Kwun) 한국간담췌외과학회 1998 Annals of hepato-biliary-pancreatic surgery Vol.2 No.1
Background/Aims: Despite recent advances in liver surgery, complication and mortality rate in hepatectomy are still high compared to other abdominal surgeries. Intraoperative stress such as bleeding, vascular occlusion, excessive mobilization and prolonged operation time is the most important factor in postoperative complications. Anterior approach avoiding hepatic mobilization and vascular occlusion in right hepatic lobectomy is a useful method for decreasing intraoperative stress. We investigated the effectiveness of anterior approach in right hepatic lobectomy. Methods: We studied 33 cases of right hepatic lobectomy for malignant tumor between January 1993 and June1997. Thre were 13 cases of Anterior approach (group A) and 20 cases of classic right hepatic lobectomy (group B). We analyzed liver function test, arterial ketone body ratio(AKBR), operation time, blood transfusion during operation, hospital stay, and postoperative complications. Results: Total bilirubin levels at first and seventh postoperative days were 2.1±0.6mg/dl, 0.9±0.2mg/dl in group A and 2.7±1.3mg/dl, 1.0±0.3mg/dl in group B. AST were 189±65.3 IU/L, 43±13.5 IU/L in group A and 325±67.8 IU/L, 51±18.2 IU/L in group B. ALT were 169±30.5 IU/L, 52±17.4 IU/L in group A and 295±70.3 IU/L, 52±16.6 IU/L in group B. AKBR at intraoperative and immediate postoperative period were 0.58±0.06, 0.62±0.03 in group A and 0.38±0.04, 0.40±0.08 in group B. Neither operation time (in group A : 380.5±61.1 minutes, in group B : 342.9±54.8 minutes), transfusion volume during operation (group A : 1222±802cc, group B : 1410±476cc), nor hospital stay (group A : 22.8±3.5 days, group B : 19.1±1.4 days) were different between the two groups. Complication rate was lower in group A compared to that of group B (30.8% vs. 40.0%). There was 1 mortality in group B and no mortality in group A. Conclusions: It is suggested that right hepatic lobectomy through the anterior approach is a useful surgical procedure to reduce intraoperative surgical stress and postoperative complications.

허영수,임명국,박성규 영남대학교 의과대학 1998 Journal of Yeungnam Medical Science Vol.15 No.1
Successful management of duodenal obstruction in newborn infant implies not only satisfactory nutrition but also achivement of normal growth. To aid early diagnosis and management, we evaluated the diagnostic methods, operative interventions and clinical characterstics of thirty-nine infants with congenital duodenal obstructions. In the 11-year period from July 1986 through June 1997, thirty-nine patients with congenital duodenal obstruction (23 males and 16 females) were treated and reviewed at the Department of Pediatric Surgery, Yeungnam University Hospital. The ratio of male to female was 1.4:1, and 29 cases (74.1%) among total 39 patients were newborn. There were 5 premature patients and 16 patients of small for gestational age. The most common causes of the congenital duodenal obstruction was malrotation (26 cases, 66.7%) and followed by annular pancreas (9 cases, 23.1%) type 1 atresia (3 cases, 7.7.%) and wind-sock anomaly (1 case, 2.6%). Common symptoms were vomiting, abdominal distention, jaundice. Plain abdominal X-ray study combined with upper gastrointestinal series was the most commonly used diagnostic method. The operative procedures were performed by same pediatric surgeon utilizing Ladd's procedure in 26, duodenoduodenostomy in 8, duodenojejunostomy in 4, excision of wind-sock membrane in 1. A total of 15 associated congenital anomalies were found in 9 patients. Postoperative complications occurred in 13 (33.3%). Overall mortality was 2.6%(1/39). Bilious vomiting and plain abdominal radiologic study were most useful for the diagnosis of congenital duodenal obstruction. Early diagnosis and operative intervention were important to prevent complications such as sepsis and peritonitis.
