One hundred and twenty patients with confirmed second degree haemorrhoids were randomly allocated to four treatment groups: injection, rubber band ligation, maximal anal dilatation, and haemorrhoidectomy. Each group consisted of 30 patients. All patients were regularly followed up for at least one year. Assessment at one year showed that haemorrhoidectomy “cured” the haemorrhoids in 29 out of 30 patients. Rubber band ligation relieved 25 out of 30 and maximal anal dilatation 24 out of 30. Injection was the least effective treatment, and relieved 18 of the 30 patients, with a cure rate of 60% only. Haemorrhoidectomy caused pain in all cases, anal stenosis in two, postoperative haemorrhage in two, and the patients required an average hospital stay of 11.5 days and an average of a further 15.5 days off work. Rubber band ligation was painless in 26 patients out of 30, and maximal anal dilatation was painless in 25 out of 30. There were no postoperative complications in the latter two treatment groups. Haemorrhoidectomy is good in “curing” the disease, but the higher possibility of postoperative pain and complications and longer hospital stay would not justify its use in the treatment of second degree haemorrhoids. Both rubber band ligation and maximal anal dilatation are effective and relatively free from complications. Rubber band ligation has the additional advantage of not requiring hospital stay or anaesthesia and is therefore considered to be the most appropriate method of treatment for second degree haemorrhoids.
A retrospective study of 100 proved cases of primary carcinoma of the gallbladder admitted to the University Surgical Unit, University of Hong Kong, over a 20-year period was undertaken. The female to male ratio was 1.4 to 1. The peak incidence was in the seventh decade for the females and the sixth decade for the males. Preoperative diagnosis was made in 10 patients. "Curative" cholecystectomy was performed in 20 patients with a 5-year survival rate of 10 per cent. Palliative procedures were performed in 44 patients with a median survival of 8 weeks, which was not significantly different from that in the 30 patients who were not operated upon or had laparotomy and biopsy only. Radical resection was carried out in 6 patients, all of whom died in hospital. Gallstones were found in only 26 patients. The gallbladders of 3 patients had associated benign tumours, one of which had malignant transformation at multiple sites. One patient had chronic typhoid infection. The incidence of clonorchis infestation and primary pyogenic cholangitis in these 100 patients was not different from that of our general hospital population.
SUMMARYNinety-five patients with recurrent pyogenic cholangitis had a range ofspecimens taken at laparotomy for bacterial culture. Bacteria were isolated from 68 % ofcases.Escherichia coli was the predominant pathogen. Other aerobic and anaerobic intestinal bacteria were also isolated. Liver biopsy, bile and gallstones were the most rewarding specimens for culture. Infection was usually localized, but systemic infection occurred occasionally. The site of infection is probably in the liver parenchyma; however, the route by which intestinal bacteria invade the liver is not known. Sixty per cent of the cases of recurrent pyogenic cholangitis had gallstones and 20 % were infected with Clonorchis sinensis.
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