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선천성 후부 요도 판막 증후군의 자궁 내 치료 : 바구니 모양의 도관을 이용한 태아의 방광-양막강 문합술 1예
차지만(Ji Man Cha),원혜성(Hye Sung Won),김미경(Mi Kyung Kim),김소라(So Ra Kim),정지윤(Ji Yoon Chung),이필량(Pil Ryang Lee),이인식(In Sik Lee),김 암(Ahm Kim) 대한산부인과학회 2001 Obstetrics & Gynecology Science Vol.44 No.2
We present a case of in-utero treatment of posterior urethral valve syndrome(PUVS) by vesicoamniotic shunting. The shunt was established by basket-shaped catheter at the 22 weeks' gestation. Enlarged bladder and hydronephrosis were improved after the shunt procedure. The baby was delivered at the 39 weeks' gestation and had normal serum range of BUN and creatinine. Because the outer opening of catheter was burried under abdominal skin on the day before delivery, posterior urethral valve excision and basket removal through urethra were operated by endoscopy on the 2nd day of birth. The baby has been followed up for 5 months and in good health. We report this case with a brief review of literature. Shunt operation in-utero is considered as a safe and effective therapy for lower urinary tract obstruction caused by PUVS.
최용문,박경암,차지선,최해만,윤복현,Choe, Yong-Mun,Park, Gyeong-Am,Cha, Ji-Seon,Choe, Hae-Man,Yun, Bok-Hyeon 대한기계학회 2000 大韓機械學會論文集B Vol.24 No.11
A sonic nozzle is used as a reference flow meter in the area of gas flow rate measurement. The critical pressure ratio of sonic nozzle is an important factor in maintaining its operating condition. ISO9300 suggested the critical pressure ratio of sonic nozzle as a function of area ratio. In this study, 13 sonic nozzles were made by the design of ISC9300 with different half diffuser angles of 2。 to 8。 and throat diameters of 0.28 to 4.48 mm. The test results of half diffuser angles below 8。 ar quite similar to those of ISO9300. On the other hand, the critical pressure ratio for the nozzle of 8。 decreases by 5.5% in comparison with ISO9300. However, ISO9300 does not predict the critical pressure ratio at lower Reynolds numbers than 10(sup)5. Therefore, it is found that it is a better way for the flow of low Reynolds number to express the critical pressure ratio of sonic nozzle as a function of Reynolds number than area ratios. A correlation equation of critical pressure is introduced with uncertainty $\pm$3.2 % at 95% confidence level.
최은녕(Eun Nyung Choi),김용만(Yong Man Kim),차지만(Ji Man Cha),유항조(Hang Jo Yoo),김대연(Dae Yeon Kim),이상수(Sang Soo Lee),김종혁(Jong Hyeok Kim),목정은(Jung Eun Mok),남주현(Joo Hyun Nam),김영탁(Young Tak Kim) 대한산부인과학회 2002 Obstetrics & Gynecology Science Vol.45 No.1
N/A Objective : Actinomycosis is a rare entity, especially in the female genital tract, which presents some difficulties in establishing a correct preoperative diagnosis. Pelvic actinomycosis can mimick pelvic or intra- abdominal malignancy leading to mutilating surgical exercise. The authors surveyed 12 cases of pelvic actinomycosis for advice to detection and treatment of the pelvic actinomycosis. Methods : The authors studied retrospectively 12 cases which have admitted to Department of Obstetrics and Gynecology, College of Medicine, University of Ulsan, Asan Medical Center for pelvic actinomycosis from January. 1, 1991 to December. 31, 2000. Results : 41.7% of the cases occurred in 31-40 years age group, 91.7% of cases associated with intrauterine devices for 5-21 years. Most common complaints were abdominal pain and palpable mass, and other complaints were vaginal discharge, bowel habit change, nausea, vomiting and fever. The actinomycosis lesions involved one or both ovaries in all 12 cases. In 11 cases, the lesions extended to other areas, such as the uterus, parametrium, pelvic walls, cul-de-sac, colon and bladder. All patients underwent surgery that included removal of the lesions with ipsilateral or bilateral adnexa and, in specific cases, with extension of the lesions, hysterectomy, colostomy and primary repair of bladder or rectum. After surgery, 9 patients were treated with penicillin and the duration of treatment was 12 months in 2 patients, 6 months in 3, ≤3 months in 3 and one patient was being treated for 2 months. Other 3 patients were treated with metronidazole, cephalosporin and aminoglycoside during 1-3 weeks. All patients were alive and well. Conclusion : It is needed to make an earlier and more correct diagnosis of actinomycosis, and high-dose intravenous antibiotic therapy can reduce the risk of nearby pelvic structure injuries. In cases of pelvic actinomycosis where the abscess can be completely resectable, a shorter period of antibiotic therapy can be required.
박은주 ( Eun Ju Park ),김성훈 ( Sung Hoon Kim ),장윤석 ( Yoon Seok Chang ),채희동 ( Hee Dong Chae ),김정훈 ( Chung Hoon Kim ),강병문 ( Byung Moon Kang ),전대준 ( Dae Joon Cheon ),박견 ( Kyun Park ),차지만 ( Ji Man Cha ),음현진 ( 대한산부인과학회 2001 Obstetrics & Gynecology Science Vol.44 No.7
N/A Objectives: To evaluate the causes of intrauterine adhesion (IUA) and the efficacy of hysteroscopic adhesiolysis in patients with IUA Methods: From January 1995 to June 1999, a total of 63 patients with IUA were underwent hysteroscopic adhesiolysis. The patients with IUA only were trying to be pegnant spontaneous whereas, intrauterine insemination (IUI) or in vitro fertilization and embryo transfer (IVF-ET) were performed in the patients who have other infertility factors and IUA as well. The data such as the changes of menstrual amount and pattern, fertility, and full-term live birth rate were analyzed. Results: The most common cause of IUA was curettage related problems; after incomplete abortion 20.6%, postpartum bleeding 9.5%, elective abortion 47.6%, missed abortion 11.1%, and for treatment of hydatidiform mole 1.6%. All patients with amenorrhea or oligomenorrhea had improvement of their menstrual patterns. Forty seven patients wanted pregnancy and 31 patients achieved pregnancy (68.4%). Full-term live birth rate 38.3% and there was one placenta accreta in full-term live birth case, which was resolved by postpartum curettage. Conclusion: Hysteroscopic adhesiolysis of IUA could be effective for restoring the normal menstrual pattern and fertility.