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PubMed1992

Cirrhosis as an independent risk factor for colonic adenomas.

This study aimed to determine the relation between cirrhosis and colorectal adenomatous polyps after adjustment for alcoholism and other confounding variables. Four groups of patients aged 40 years or above were studied. Group I included 100 consecutive outpatients with irritable bowel syndrome, group II 100 consecutive alcoholic inpatients without cirrhosis, group III 100 consecutive inpatients with alcoholic cirrhosis, and group IV included 36 consecutive inpatients with non-alcoholic cirrhosis. All patients underwent colonoscopy. The prevalence of adenomatous polyps was 13% in group I, 26% in group II, 58% in group III, and 22% in group IV (p less than 0.001). The prevalence of adenomatous polyps was greater in patients with cirrhosis than in those patients without (48.5% v 19.5%). This difference remained significant after successive adjustment for alcoholism, sex, age, smoking, and serum cholesterol. The prevalence of adenomatous polyps was greater in alcoholic patients than in non-alcoholic patients (42% v 15.4%) (p less than 0.001). This difference remained significant after successive adjustment for cirrhosis, sex, age, smoking, and serum cholesterol. These results suggest that cirrhosis is an independent risk factor for colorectal adenomatous polyps and confirm that alcoholism increases this risk.

Adult↗
PubMed1995

The prevalence of colonic polyps in acromegaly: a colonoscopic and pathological study in 103 patients.

Patients with acromegaly are reported to be at risk of developing adenomatous colonic polyps, which are considered to be preneoplastic lesions. This assumption is, however, usually drawn from results obtained in rather small series of patients or without a control group. We, therefore, undertook a prospective colonoscopic and pathological study comprising 103 acromegalic patients and 138 nonacromegalic control subjects referred for irritable bowel syndrome. The prevalence of adenomatous colonic polyps was significantly increased in acromegalic patients compared to that in control subjects (22.3% vs. 8.0%; P = 0.0024). The significance was similarly present in male acromegalic patients (28.6% vs. 5.5% in male control subjects; P = 0.0026), but was absent in female acromegalic patients. The prevalence of colonic polyps was also significantly increased in the group of acromegalic patients under 55 yr of age (20.0% vs. 3.0% in the control group of the same age; P = 0.0026). Other characteristics of adenomatous colonic polyps in acromegaly were the multiplicity and the presence proximal to the splenic flexure. No difference in the duration of acromegaly was found between patients with or without adenomatous polyps. The prevalence of hyperplastic colonic polyps was also significantly increased to 24.3% in acromegalic patients vs 4.4% in control subjects (P < 0.001). In conclusion, in view of the increased incidence of adenomatous colonic polyps, colonoscopy should be part of the follow-up examination in acromegaly.

Acromegaly↗
PubMed1990

[Rectoscopy and Hemoccult II in irritable colon. A prospective study].

It was investigated whether Hemoccult-II test (H-II) could reduce the number of colonic examinations in patients with the irritable bowel syndrome, with normal rigid proctoscopic findings. A negative H-II was obtained in 299 patients from general practice and a positive test in nine. Colonoscopy was done in 157 and double contrast barium enema in 142 after random allocation. The nine patients with positive H-II all had colonoscopy. Among the 299 with negative H-II, colonic adenomas were detected in ten and an early cancer in an adenoma in the sigmoid colon; overlooked rectal adenomas were found in three, rectal cancer in one, rectal carcinoid in another and a coecal cancer, which could be palpated, in a third patient. Two patients with colonic cancer and one with adenoma were detected among those with positive H-II. All patients were followed by clinical examination after one year. In conclusion, colonic examination should carry a low priority in patients with symptoms of irritable bowel, negative Hemoccult-II and normal rigid proctoscopic findings performed by an experienced examiner. The investigation confirmed the recommendation of total colonoscopy in patients with a positive H-II and added support for increasing number of endoscopy services in contrast to those of diagnostic radiology, which should be reduced.

Adenoma↗
PubMed1989

[Intestinal dysbacteriosis in patients with functional and inflammatory diseases of the large intestine].

Data are given on the study of changes in microflora of the intestinal contents in patients with functional diseases: irritable colon syndrome (ICS), chronic catarrhal colitis (CCC) and non-specific ulcerous colitis (NUC). In ICS dysbacteriosis was absent in 40 per cent of the patients, 1st group dysbacteriosis was found in 44.3 per cent of cases; more serious dysbacteriosis (of the 2nd and 3rd groups) was found in CCC and NUC (34.3 and 52.3 per cent of cases, respectively). ICS, CCC and NUC patients had almost the same incidence of decreased Bifidobacterium level.

Adult↗
PubMed1985

[Status of x-ray contrast examination of the colon].

Findings of colon contrast examinations performed during one year are examined with regard to their incidence rate, localisation, age and sex of the patients. The x-ray findings are also compared with the results of rectoscopy and coloscopy, as well as with the results of surgery. Good agreement was found between endoscopy and trochoscopy, especially in carcinoma of the colon. The value of the colon contrast method in colon diagnosis is discussed.

Adult↗