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일차성 식도이완불능증 환자에서 공기풍선확장술 전후 식도내압검사소견의 변화
강영우(Young Woo Kang) 대한내과학회 1995 대한내과학회지 Vol.48 No.3
Objectives: The present study was undertaken to compare esophageal manometric findings before and after pneumatic dilatation and to determine whether manometric changes can be useful for evaluation of therapeutic response. Methods: Sixteen patients with primary achalasia were examined esophageal manometry with solid state catheter before and 2 months after pneumatic dilatation using the Rigiflex achalasia balloon dilator 35 mm. Results : Lower esophageal sphincter pressure was decreased from 45.5±16.2 mmHg to 19.7±6.2 mmHg and the gradient between intraesophageal pressure and gastric baseline pressure was reversed from 11.8±7.2 mmHg to ?2.6±3.9 mmHg (p<0.001), Lower esophageal sphincter relaxation and partial return of esophageal peristalsis were observed in 50% and 31.2% of cases respectively after dilatation, compared to 12. 5% and 0% before dilatation. Conclusion: Esophageal manometric parameters changed significantly, which could be usefull for evaluation of therapeutic response after pneumatic dilatation in patients with primary achalasia. However, longterm follow up study should be done in larger number of patients.
정상인에서 반고형식 Lactulose 수소호기검사법을 이용한 구강맹장 통과시간의 측정
강영우(Young Woo Kang),박승국(Soong Kook Park) 대한소화기학회 1994 대한소화기학회지 Vol.26 No.4
N/A Lactulose hydrogen breath test has been used for rneasurement of orocecal transit time (OCTT) because of its non invasiveness and simplicity. Recently, the lack of reproducibility of OCTT which measured by hydrogen breath test using water diluted lactulose resulted in the need to develop a new semisolid or solid meal combined lactulose hydrogen breath test. We measured OCTT in 47 norrnal subjects(male 17, female 30, age 24 69 years, average 35.5 years) after ingestion of semisolid meal including potato soup and lactulose syrup 20g. OCTT was defined as the time from test meal ingestion to a sustained increase of more than 10pprn above the baseline in end expiratory hydrogen concentration with 10 minutes interval for 3 hours. OCTT was 79.2+11.9(mean+SD) minutes in male, 81.5+15.2 minutes in female, and average 81.9+13.3 minutes. Although there was no significant difference according t,o sex, OCTT in sixth and seventh decades were delayed compared to third decades(P<0.05). These results will be useful for comparison of OCTT in different group of patients.(Korean J Gastro- enterol 1994; 26: 619 624)
정상인에서 Dual-Head Gamma Camera를 이용한 위배출 연구
강영우(Young Woo Kang),손수호(Soo Ho Sohn),허정숙(Jung Sook Hur),박근용(Keun Young Park),안성훈(Sung Hoon Ahn),전석길(Seok Young Park) 대한소화기학회 1994 대한소화기학회지 Vol.26 No.2
N/A Gastric emptying study has an important role in patients with gastrointestinal functional disorders without demonstrable mechanical or mucosal abnormalities. Although several meth- ods for detection on gastrointestinal functional disorders are well known, non-invasive scintigraphic technique using a Gamma Camera is taken as a gold standard at present. A Dual-Head Gamma Camera coupled to a computer was used in 20 normal subjects after in- gestion of the mixture of ''T,-labelled scrambled egg in order to determine gastric emptying time. Four values including lag time, T,,(half gastric emptying time), remnant 1 hour, remant 2 hours were taken at all ages. In the female half gastric emptying time and lag time was slightly shorter, and the amount of remnant radioactive counts at one and two hours was smaller than the I,aale without significant difference. Delayed gastric emptying time was above 109. 9 minutes of half gastric emptying time when defined as excess of Mean+ZSD. W e believe this study using a Dual-Head Gamma Camera can be useful for establishment of more accurate gastric emptying study.(Korean J Gastroenterol 1994; 26: 2Z4 229)
강영우(Young Woo Kang) 대한내과학회 1995 대한내과학회지 Vol.49 No.4
Objectives: The present study was performed to evaluate change of orocecal transit time(OCTT) in patients with dysmotility-like functional dyspepsia (DLFD) in a view of whole gut concept. Methods 130patients with DLFD and 47normal controls were measured OCTT at Dongsan hospital from February 1993 to September 1994. OCTT was measured after ingestion of semisolid meal including potato soup and lactulose syrup 20g. OCTT was de- fined as time to reach 10ppm above baseline H2 concentration in duplicate of expiratory HR concentration with 10minutes interval for 3hours. Delay of OCTT was defined as excess of mean +2 SDs of nor- mal controls. Results: OCTT in patients with DLFD was significantly delayed than normal controls (99.9±31.6(SD) min, vs 81.9±13.3(SD) min., p<0.001). Delay of OCTT was observed in 33.9% (48cases) of 130patients with DLFD. Conclusion: OCTT using a semisolid lactulose hydrogen breath test was delayed and could be one of useful diagnostic tests in patients with DLFD. However, comparative study with gastric emptying time should be undertaken simultaneously.
관혈적 및 비관혈적 심장검사상 정상인 흉통 환자에서 식도운동질환의 비교
강영우(Young Woo Kang),이상곤(Sang Gon Lee) 대한소화기학회 1994 대한소화기학회지 Vol.26 No.2
N/A It is now well established that many patients with noncardiac chest pain have esophageal motility disorders. However,there are some problems and limitations for doing invasive cardiac .est such as coronary angiogram in all patients with noncardiac chest pain to exclude cardiac diseases. Ive compared esophageal motility disorders between noninvasive and invasive cardi- ac test group who complained of heartburn or angina like chest pain. We have undergone esophageal manometric study, Bernstein test and edrophonium test in 28 patients with normal noninvasive cardiac test such as echocardiogram and treadmill test and 16 patients with nor- mal coronary angiogram in Dongsan hospital from Aug. 1988 to Oct. 1993. The most common esophageal manometric abnormality in 44 patients with noncardiac chest pain was nutcracker esophagus(18.2!o). The frequency of abnormal esophageal manometric study was 53.6% and 50 %, edrophcnium test 31.2% and 28.6%, Bernstein test 25% and 25% between noninvasive cardi- ac test group and invasive cardiac test group, respectively. In conclusion, we suggest that esophageal moitility test could be enough in patients with heartburn or angina like chest pain who refuse coronary angiogram after noninvasive cardiac test considering age, family history, and risk factors of coronary artery disease. (Korean J Gastroenterol 1994; 26: 219 223)
양성 및 악성 식도협착환자에서 재시경적 식도풍선 확장술의 치료효과
강영우(Young Woo Kang),남복현(Bok Hyun Nam) 대한내과학회 1995 대한내과학회지 Vol.48 No.2
Objective: This study was undertaken to evaluate the therapeutic effect of endoscopic balloon dilatation in patients with benign and malignant esophageal strictures. Methods: 125 endoscopic dilatations with Rigiflex® TTS Balloon Dilator were performed in 47 patients with benign and malignant esophageal strictures in Keimyung University Dongsan Hospital from January 1992 to December 1993. 33 patients with benign strictures included caustic damage (16/33), postoperative (14/33), esophageal ring (1/33), and reflux esophagitis (1/33). 14 patients with malignant strictures included intraluminal esophageal cancer (12/14) and external compressive cancer of lung and breast (2/14). Results: The results of endoscopic balloon dilatation in 33 patients with benign esophageal strictures were Good in 21 cases, Fair in 9 cases and Poor in 3 cases. The results of 14 patients with malignant esophageal strictures were Good in 8 cases, Fair in 3 cases and Poor in 3 cases. The symptomatic improvement of benign and malignant strictures was shown in 90.9% and 78.6%, respectively. Conclusion: Endoscopic balloon dilatation is a safe, simple, and effective method for primary treatment of benign and malignant esophageal strictures.
식도정맥류 환자에서 식도이단 전후의 식도운동기능 및 직달수술의 성적
강영우(Young Woo Kang),김광렬(Kwang Ryeol Kim),임태진(Tae Jin Lim) 대한소화기학회 1993 대한소화기학회지 Vol.25 No.5
N/A Esophageal pressure was compared between esophageal varix and control group and also between before and after transection of the esophagus in variceal patients. Different types of non-shunt operations were perfomried on 157 esophageal varix cases from January 1979 to June 1992. The LES (lower esophageal sphincter) pressure was hiigher in variceal patients than in control group and it was decreased after transection of the esophagus. There were no significant differences in the amplitude and duration of the esophageal contractions between the esophagal varix and control group. The same was true before and after the transection. Of the 157 patients, 116 were male and 4l were female with ratio 2.8:1 and 81.6% were between 30 and 59. Of the 157 operations 80 were Sugiura operations, 61 were Kobayashi operations, 11 were TEPG and 5 were Hassab operations. Operative. mortality rates of prophylactic, elective and emergency surgery were 4.5%, 8.5% and 35%., respectively and of Childs criteria A, B and C werc 1.7% 11.3% and 28.6%, respectively. Of the total 135 intraoperative wedge liver biopsies, 108 cases revealed cirrhosis (80.6%), 12 cases chronic inflammation, 11 cases fibrosis and in 3 cases, no pathologacal findings were found. Postoperative complications include wound infection (21 cases), pleural effusion (17 cases), rebleeding (8 cases), esophageal leakage (5 cases), esophageal stenosis (5 cases) and others. The overall rnortality within one month after the surgery was 10.8% (17 cases) and the major causes of death were hepatic failure (,9 cases) and rebleeding (5 cases). Follow up esophagograms were obtained in 103 patients and in 45 patients varices disappeared compietely and in 50 patients, there were significant improvements.