Gene/Protein Disease Symptom Drug Enzyme Compound
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Query: UMLS:C0017160 (gastroenteritis)
 11,398 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

In recent years, introduction of new and more effective agents has improved the overall therapy for parasitic infections. This field, however, is still plagued by numerous problems, including the development of resistance to antimicrobial agents (especially with malaria), unavailability of agents in the United States or lack of approval by the Food and Drug Administration, and major toxicities or lack of experience in pregnant women and children, which limits use in these groups of patients. Widespread resistance of Plasmodium falciparum to chloroquine and other agents has complicated the treatment and prophylaxis of this type of malaria. A combination of quinine and Fansidar is usually effective oral therapy for falciparum malaria; quinidine may be administered if intravenous therapy is needed. Mefloquine, which is currently recommended for prophylaxis against chloroquine-resistant P. falciparum, is also effective for single-dose oral treatment, although this regimen has not yet been approved by the Food and Drug Administration. Metronidazole has been widely used for treatment of gastroenteritis due to Entamoeba histolytica and Giardia lamblia (not approved by the Food and Drug Administration for the latter) and is considered safe and effective. A new macrolide, azithromycin, has been reported to be effective for cryptosporidiosis in experimental animals; currently, no effective therapy is available for human infections. Combinations of sulfonamides with other antifolates, trimethoprim or pyrimethamine, are recommended therapy for Pneumocystis carinii pneumonia or toxoplasmosis, respectively. Therapies for the various types of leishmaniasis and trypanosomiasis are complex, often toxic, and often of limited efficacy. The benzimidazoles are effective for roundworm infections, although thiabendazole has severe toxic effects. The recent introduction of ivermectin has revolutionized the treatment and control of onchocerciasis. Another relatively new agent, praziquantel, is a true broad-spectrum anthelmintic agent that is effective against most trematodes, many adult cestodes, and larval cestodes as well (especially cysticerci of Taenia solium).
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PMID:Antiparasitic agents. 154 96

Cytomegalovirus (CMV) infection in patients with the acquired immunodeficiency syndrome (AIDS) can present as either disseminated disease, pneumonitis, retinitis, gastroenteritis, neuropathy, or a subclinical infection. We report a patient whose initial manifestation of CMV infection was severe central airways obstruction due to necrotizing tracheitis. At bronchoscopy, the lesion appeared deeply ulcerated, distinctly different from previously described airway lesions in patients with AIDS. Mucosal biopsies showed characteristic intranuclear and intracytoplasmic inclusions and cultures yielded only CMV. The patient responded partially to ganciclovir, steroids, and antibiotics against suspected anaerobic superinfection but died as a result of central nervous system disease believed due to toxoplasmosis or lymphoma. CMV infection of the upper airway should be considered in the patient with AIDS presenting with atypical cough or stridor and ulcerated endobronchial lesions.
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PMID:Central airway obstruction due to cytomegalovirus-induced necrotizing tracheitis in a patient with AIDS. 217 87

Toxoplasmosis is one of the more common parasitic zoonoses world-wide. In this study, an epizootic of toxoplasmosis among captive Bennett's wallabies (Macropus rufogriseus) from different locations is reported. By means of light microscopy, Toxoplasma gondii-like tachyzoites were observed associated to interstitial pneumonia, non-suppurative myocarditis, cholangiohepatitis and severe gastroenteritis. The protozoa stained positively with a T. gondii antibody and ultrastructurally were similar to T. gondii. Strikingly, tachyzoites appeared sometimes in an intranuclear location within granulocyte-like cells. Feral cats or reactivation of a latent infection are discussed as the possible sources of infection. As far as we know, this is the first confirmed report of toxoplasmosis in Bennett's wallabies in Spain and Europe, and may constitute a risk of infection for humans since new alimentary habits are being imposed in our countries.
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PMID:Toxoplasmosis in Bennett's wallabies (Macropus rufogriseus) in Spain. 1904 16

The immune reconstitution inflammatory syndrome (IRIS) associated with highly active antiretroviral therapy (HAART) was studied in rural Ethiopian HIV-infected patients. Review of 1002 charts in an outpatient clinic was conducted. The median CD4 count was 89 cells/mm(3). Ninety-eight patients were hospitalized after initiation of HAART, of whom 74 were hospitalized for manifestations of IRIS (ie, 7% of patients on HAART). Of the 74 patients hospitalized with IRIS, 27 patients had tuberculosis; 12 patients, cryptococcal meningitis; 7 patients, toxoplasmosis; 6 patients, pneumonia and/or effusion; and 5 patients, Pneumocystis jiroveci pneumonia (PCP). Ten adult patients were admitted with gastroenteritis, heretofore not recognized as a manifestation of IRIS. Eighty-one percent of IRIS patients were hospitalized within 3 months of beginning HAART and 99% by 6 months. Of those hospitalized with IRIS, 4 patients (5%) died while in the hospital (3 with cryptococcal meningitis). Thirty-seven or 50% of those hospitalized with IRIS were lost to medical follow up, thus the mortality rate is likely a gross underestimate of the severity of IRIS. In resource-poor settings where the primary goal is to initiate HAART, IRIS may go unrecognized and have fatal consequences.
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PMID:Immune reconstitution inflammatory syndrome in a resource-poor setting. 1925 27

To highlight the main sides infections and their progress with HIV sick people selected in the inner health department of the CHU of Treichville, Abidjan, a retrospective survey was carried out from the files of sick people over 30 months of period; from January 1, 1999 through July 15, 2001. 279 patients (143 males and 136 females) where involved; 382 side infections where found out and the most frequent were: tuberculosis (28.3%), fungous infection (26.7%), gastro-enteritis.7%) and brain toxoplasmosis (15%). The lethal rates were respectively 16.6% for tuberculosis, 51.6 for gastroenteritis, 66.7% for neuro-meningeal Cryptococcus and 68.1% for brain toxoplasmosis. The impact of side infections on the progress of HIV/AIDS requires a preventive type of rallying as therapeutic progress is still unreachable for developing countries, which are the most affected by the HIV epidemics.
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PMID:[Side infection during HIV/AIDS at Trechville university health center (CHU)]. 1961 12

Toxoplasma gondii can infect nearly all warm-blooded animals. We report an acute fatal T. gondii infection in the endangered giant panda (Ailuropoda melanoleuca) in a zoo in China, characterized by acute gastroenteritis and respiratory symptoms. T. gondii infection was confirmed by immunological and molecular methods. Multilocus nested PCR-RFLP revealed clonal type I at the SAG1 and c29-2 loci, clonal type II at the SAG2, BTUB, GRA6, c22-8, and L358 loci, and clonal type III at the alternative SAG2 and SAG3 loci, thus, a potential new genotype of T. gondii in the giant panda. Other possible pathogens were not detected. To our knowledge, this is the first report of clinical toxoplasmosis in a giant panda.
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PMID:Fatal Toxoplasma gondii infection in the giant panda. 2651 95

Secular trends in milk-borne diseases in the U.S.A. show numerous outbreaks associated with ingestion of raw milk in the early 1900s until the end of World War II. Diseases common in this period, but no longer milk-borne, were typhoid fever, scarlet fever, septic sore throat, diphtheria, tuberculosis, shigellosis, and milk sickness. Milk-borne and milk-product-borne diseases rarely reported somewhere in the world were botulism, Escherichia coli enteritis, Pseudomonas aeruginosa enteritis, listeriosis, Clostridium perfringens enteritis, Bacillus cereus gastroenteritis, Haverhill fever, Q fever, hepatitis A, poliomyelitis, toxoplasmosis, histamine intoxication and hypertension. After most milk was pasteurized, outbreaks decreased dramatically. Milk-borne diseases of contemporary importance in the U.S.A. are salmonellosis, campylobacteriosis, staphylococcal intoxication, brucellosis, and yersiniosis. These have usually been associated with ingestion of raw milk, certified raw milk, home-made ice cream containing fresh eggs, dried milk, pasteurized milk which was contaminated after heat processing, or either cheese made from raw milk or cheese in which starter activity was inhibited during its manufacture.
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PMID:Epidemiology of Milk-Borne Diseases. 3092 43

Shellfish are known as a potential source of Toxoplasma gondii (responsible for toxoplasmosis), and Cryptosporidium parvum, which is one of the major causes of gastroenteritis in the world. Here we performed a comprehensive qPCR-based monthly survey for T. gondii and C. parvum during 2016 and 2017 in oysters (Crassostrea virginica) (n = 1440) from all six sites along the coast of Maine (USA). Pooled samples (mantle, gills, and rectum) from individual oysters were used for DNA extraction and qPCR. Our study resulted in detections of qPCR positives oysters for T. gondii and C. parvum at each of the six sites sampled (in 31% and 10% of total oysters, respectively). The prevalence of T. gondii was low in 2016, and in September 2017 several sites peaked in prevalence with 100% of the samples testing positive. The prevalence of C. parvum was very low except in one estuarine location (Jack's Point) in June 2016 (58%), and in October of 2016, when both prevalence and density of C. parvum at most of the sampling sites were among the highest values detected. Statistical analysis of environmental data did not identify clear drivers of retention, but there were some notable statistically significant patterns including current direction and nitrate along with the T. gondii prevalence. The major C. parvum retention event (in October 2016) corresponded with the month of highest dissolved oxygen measurements as well as a shift in the current direction revealed by nearby instrumentation. This study may guide future research to locate any contributing parasite reservoirs and evaluate the potential risk to human consumption.
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PMID:Molecular Epizootiology of Toxoplasma gondii and Cryptosporidium parvum in the Eastern Oyster (Crassostrea virginica) from Maine (USA). 3141 32