Comparativeh,study was performed between 23 cases of conventional : PTC at radiological dep. of National Medical Center from Jan. 1963 till Dec. 1964 and 33 cases: of revised PTC at surgical dep. from Dec. 1974 till Mar. 1975.
The result- were as follows:
1. Conventional and revised PTC were managed in common under T.W. control. Anterior approach was preferred for conventional PTC, but lateral approach for revised PTC. The diffe-rences of techniques between revised and; conventional PTC were similar except using the more narrow needle (23gauze) in case of revised P.T.C.
2. Successful cholangiograms were obtained in 19 cases among the total 23 cases of conventional PTC. Successful cholangiograms were obtained in 0 cases among the total 33 cases of revised PTC.
3. Complications were noted in 4 patients of conventional group (bleeding 2, bile leakage2).
All patients with bile leakage or bleeding except one patient of bleeding were operated eme-rgently within a few hours of the examination, thus minimizing the risk of the complication. Bile duct was dilated in all 3 cases undergoing emergency operation. Bleeding or bile leaking .as emergency operation needed has not noted in revised group. Transient fever is 2 cases in conve-ntional and revised group, respectively. Leakage of dye into the peritoneal cavity was found in 2 cases of revised group during the procedure, but no subjective or objective symptom was noted after the procedure. Persisting pain on chest for 4weeks after the procedure was complained in 1 case of revised group.
4. No correlation was found between the complications (e.g. internal bleeding or bile leakage) and prothrombine time, jaundice depth or jaundice duration.
5. The technique of the PTC, cooperation of the patient, and the size of the needle were seemed to be related to the complications.
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