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PubMed1992

The spectrum of liver and gastrointestinal disease seen in cholestasis of pregnancy.

A mild form of intrahepatic cholestasis is an infrequent complication of pregnancy, with a spontaneous cure almost immediately after delivery and that often recurs in future pregnancies. Pruritus alters maternal well-being, and a subclinical steatorrhea may impair the patient's nutritional status; otherwise, it is a mild disease in the mother, and no maternal mortality has been attributed to it. In contrast, cholestasis of pregnancy is often identified as a risk of increased perinatal morbidity and mortality. The cause of cholestasis of pregnancy is unknown. A hereditary predisposition seems to induce in the maternal liver an abnormal reaction to female sex hormones, but some still unidentified environmental (possibly dietary) factor could also be involved in the pathogenesis of the disease. Pruritus, but not the biochemical alterations, can be alleviated by the use of cholestyramine, silymarin, or epomediol. Ursodeoxycholic acid has been beneficial in pruritus and in liver function tests; an improvement in fetal prognosis should be evaluated in future controlled studies.

Cholestasis, Intrahepatic↗
PubMed2003

Contribution of epidemiology in Poland for better understanding of the natural history of diseases in gastrointestinal tract.

Descriptive epidemiologic studies on the geographical distribution of gastrointestinal diseases in Poland have been conducted in our country since several decades. One of the first descriptive analyses was cancer study in 1967, where age-standardized mortality rates in various regions of Poland by gender and area of residence (urban/rural) were presented. Since 1970 analytical epidemiologic studies aiming at explaining the natural course of various diseases within gastrointestinal tract started to produce interesting results. The first study in this field was the case-control study on the occurrence of peptic ulcer and tobacco smoking performed in 1974. The study provided one of the first epidemiologic evidence on the harmful effect of tobacco smoking in the etiology or peptic ulcers. Subsequent studies dealt with the importance of dietary habits and life style (tobacco smoking and vodka drinking) in the occurrence of gastric cancer. The studies confirmed previous findings that consumption of raw vegetables and fresh fruit is inversely related to risk for stomach cancer in Poland. In addition the results demonstrated, that dietary practices such as the modality of cooking the food, preparation of food products and storing conditions were connected with stomach cancer risk. These factors have also been found to influence the risk for stomach cancer in Poland. The main message of this latter study was that the family as a whole is affected by many risk factors for stomach cancer and families in which stomach cancer has occurred should be therefore targets for preventive measures. Interestingly, analysis of life style factors such as tobacco smoking or vodka drinking has showed that the risk for cardia cancer increased considerably for smokers of cigarettes without filters and in those who consumed large amounts of vodka. For the non-cardia region a uniform increase of risk could be observed for vodka drinking, regardless of cigarette smoking status. The findings of this study suggested the hypothesis that the effect of tobacco smoking and vodka drinking may be different for cardia cancer compared to the distal cancers. Our clinico-epidemiological study suggest that infection with Helicobacter pylori is not sufficient factor for inducing precancer changes in gastric mucosa. Besides, case-controls studies on dietary habits and physical activity level in the etiology of colorectal cancer are in progress. The preliminary results demonstrated the protective effect of higher physical activity in the occurrence of colorectal cancer after accounting for nutritional habits.

Gastrointestinal Diseases↗
PubMed2006

[Clinical use of proton pump inhibitors in gastrointestinal diseases].

The development and introduction into clinical practice of proton pump inhibitors (PPIs) have influenced the management of acid-peptic disorders dramatically. PPIs inhibit the gastric hydrogen/potassium adenosine triphosphatase selectively and irreversibly which is the final step in acid secretion. PPIs are currently the most effective form of therapy in acid-peptic diseases. All PPIs are potent, effective and generally safe, but little different in equivalent doses. PPIs undergo hepatic metabolism by cytochrome P450 (CYP) system. Polymorphism of CYP2C19 influences the pharmacokinetics and pharmacodynamics of PPIs. Doses and dosing schemes of PPIs based on CYP2C19 genotype status is expected to increase the efficacy in clinical outcome. The major indication of PPIs are acid-related diseases such as peptic ulcers and their complications, gastroesophageal reflux diseases, Zollinger-Ellison syndrome and eradication of Helicobacter pylori with antibiotics and dyspepsia. The potency and cost-effectiveness of PPIs have extended their clinical uses. However, their widespread and long-term use may limit the therapeutic benefit between efficacy and clinical problems such as acid rebound hypersecretion, enhanced oxyntic gastritis, problems with carcinoids in rodents and long-term concern for gastric cancer development. Further studies are needed to minimize the side effects and to maximize the therapeutic effects of PPIs.

Animals↗
PubMed1991

Use of hypnotherapy in gastrointestinal disease.

Recent controlled studies in the field of gastroenterology have shown that hypnotherapy is unequivocally beneficial in conditions such as irritable bowel syndrome and peptic ulceration. There is also some evidence for influence on certain physiological functions. Further research should help to define more clearly the role of this controversial form of therapy.

Colonic Diseases, Functional↗
PubMed1988

[Rheumatologic syndrome in gastrointestinal diseases. Clinical and pathogenetic aspects].

Patients with reactive arthritis, sacroiliitis, spondylitis or Reiter's syndrome following intestinal infection from Yersinia, Salmonella, Shigella or Campylobacter organisms have been reported from endemic areas and after epidemic dysenteries. Possession of the antigen HLA B27 affects severity and prognosis of the arthritis and is more often associated with spondylitis and Reiter's syndrome. Articular manifestations are also quite common systemic complications of chronic inflammatory bowel disease. The clinical picture, pathogenetical aspects and treatment of arthritis associated with Crohn's disease, ulcerative colitis and Whipple's disease are reviewed. In only few cases, coeliac disease can be complicated by arthritis. In patients undergoing intestinal bypass surgery systemically absorption of intestinal bacterial antigens and immune complex formation may contribute to the development of bypass-arthropathy and dermatologic manifestations.

Arthritis, Reactive↗