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19 out of 37 patients with percutaneous cholecystostomy were followed up for assessment of gallbladder function after percutaneous drainage. 17 out of 19 of the patients remained free from symptoms of gallbladder disease during a mean follow-up period of 25.8 months. Contractility of the gallbladder calculated by measurement of the sonographic diameter of the gallbladder with provocation tests was 62%. One patient was operated upon for choledocholithiasis three years after percutaneous cholecystostomy. Histology showed signs of chronic cholecystitis. It can be concluded that cholecystectomy is not routinely necessary after percutaneous cholecystostomy provided biliary excretion is normal.

28 primary liver abscesses, including 9 amoebic abscesses, in 24 patients were drained percutaneously. Indication for drainage in amoebic abscesses was imminent rupture and clinical symptoms as pleural effusion, lung atelectasis and pain. 95% of the primary abscesses were cured by percutaneous drainage and systemic antibiotic treatment. There was one recurrence of abscess, which was managed surgically. Reasons for drainage failure were: tumour necrosis and tumour perforation with secondary liver abscess.

Aneurysms of the extracranial carotid artery represent a serious disease because of possible cerebral embolism and aneurysm rupture. Between 1960 and 1979, 28 aneurysms of the extracranial carotid artery were seen in 27 patients at our institution. Twenty-six of these patients noticed a pulsating tumor, 12 patients had neurological symptoms; 2 aneurysms were ruptured. Five times the external carotid artery, and 3 times the internal carotid artery were ligated without neurological symptoms. After aneurysm resection, the carotid artery was reconstructed in 4 cases by direct suture, and in 2 cases by patch angioplasty. Reconstruction was accomplished with a tube-graft in 9 instances, once an extra-intracranial shunt had to be performed in advance. Two patients developed neurological deficiencies after the operation (8.7%), in one of them these were permanent. In the follow-up, 20 patients were without symptoms (87%), 3 patients died after the operation (peri-operative mortality 13%). Out of the 5 non-operated patients 2 died after a short time: one of an acute myocardial infarction and one of an extensive cerebro-vascular infarction. Two patients with asymptomatic internal carotid aneurysm refused the operation and are without symptoms for 2 and 40 years respectively. Because of the potential risks of cerebro-vascular infarction and aneurysm rupture, good results of operative treatment call for an aggressive surgical approach in dealing with extracranial carotid aneurysms.

33 abdominal abscesses associated with fistulae in 31 patients were treated by percutaneous drainage. 19 of these patients had had surgery immediately preceding the drainage. In 64% the percutaneous drainage led to a diagnosis of an internal fistula. Additional therapeutic measures, because of the fistula, were necessary in 45% (operation, biliary drainage, repositioning of catheter). The average duration of drainage was 29 days. 77% of those abscesses which could be drained were treated successfully. Mortality in the entire series was 19%.

A method of carotid artery plication for kinking stenoses of the internal carotid artery is described. This method has been used in 13 symptomatic patients with type III kinking up to now. Satisfactory long-term results were obtained in 11 patients, one patient had to be reoperated for postoperative stenosis and one patient died after the operation from ischemic cerebral injury. It is concluded that the method is a suitable alternative to resection procedures, particularly in cases of kinking and arteriosclerotic stenosis.

Percutaneous cholecystostomy was performed in 17 poor surgical risk patients. 16 patients developed acute acalculous cholecystitis postoperatively in the intensive care unit, 1 patient had an acute cholecystitis with calculi. Diagnostic imaging using CT and US was specific for acute cholecystitis in 58% only. Percutaneous cholecystostomy was the definitive treatment in 69% of the patients. Additional cholecystectomy was required in 3 patients with complicated cholecystitis, in 1 patient with bile leakage after catheter dislocation and in 1 patient with gallbladder calculi. 3 patients died, 2 of them from reasons unrelated to the gallbladder disease. Radiology-guided percutaneous cholecystostomy performed by a transhepatic approach is a safe and effective procedure for acute cholecystitis in high-risk patients.

Percutaneous cholecystostomy was performed in 8 poor-surgical-risk patients with acute acalculous cholecystitis. Seven patients had had previous laparotomy, 1 patient a coronary bypass operation. A transhepatic approach was used in all patients. Insertion of the drainage catheters was guided by ultrasound and fluoroscopy. Percutaneous drainage was successful in all patients, with no need for further surgical intervention. Two patients died, for reasons unrelated to the gallbladder disease. Percutaneous cholecystostomy may be definitive treatment for acute acalculous cholecystitis in the critically ill patient.