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논문 기본 정보

자료유형
학술저널
저자정보
송호영 (전북대학교 의과대학 방사선과학교실)
저널정보
대한영상의학회 대한방사선의학회지 대한방사선의학회지 제28권 제1호
발행연도
1992.1
수록면
1 - 7 (7page)

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초록· 키워드

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To make an accurate diagnosis of esophageal rupture during balloon dilatation without the help of esophagograph, an infusion pump, a pressure transducer and a radiopaque esophageal balloon were connected through a three-way connector. The pressure transducer was connected consecutively to an amplifier, a differentiator and a speaker to detect a pressure drop in the esophageal ballon. Under fluoroscopic monitoring, a radiopaque balloon catheter was inserted in the mid-thoracic esophagus of 30 rabbits and inflated with air until the esophagus was ruptured. A pressure drop in the balloon at the time of esophageal rupture was not only recorded graphically. but also was identified through a speaker. To examine esophageal rupture grossly, the rabbits were sacrificed after esophagography. We could detect the time of esophageal rupture during balloon dilatation in all rabbits accurately by observing the pressure drop in the pressure recorder and by hearing the sound made on a speaker. In 8 patients with esophageal stricture, a deflated radiopaque balloon catheter was inserted to the position inside the narrowing point and inflated by infecting air until the 'hourglass' deformity created by the stricture disappeared from the balloon contour while the pressure change in the balloon was monitored with a pressure recorder. The balloon pressures at the time of disappearance of the "hourglass" deformity from the balloon contour ranged from 200mmHg to 2000mmHg in 8 patients with esophageal strictures. Esophageal ruptuere did not occur in these patients. In conclusion, our results indicate that this new method is not only safe but promising for patients in the future with esophageal strictures. First, it would reduce the chance of mediastinitis in patients of esophageal rupture. Second, esophageal balloon dilatation can be performed more effectively and safely. Third, it is cost-effective. Forth, radiation esposure to the patient can be reduced.e reduced.

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