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Query: UMLS:C0002871 (anemia)
 52,094 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

Fascioliasis is an important food- and water-borne parasitic zoonosis caused by liver flukes of genus Fasciola (Digenea: Fasciolidae) of worldwide distribution. In Egypt, fascioliasis was encountered in nearly all Egyptian Governorates, particularly in the Nile Delta and specifically in Dakahlia. All enrolled cases were subjected to complete history taking, clinical examination, routine investigations and abdominal ultrasonography. Stool analysis, IHA and ELISA were used for fascioliasis diagnosis. Rural areas showed highest prevalence of fascioliasis than urban areas, however, but.without significance (x2= 0.042 & P= 0.837). Regarding human fascioliasis in examined the centers, no statistically significant difference (x2 =2.824 & P=0.243) was detected. Regarding gender variation, the difference was statistically insignificant (x2= 0.166 & P= 0.683). The difference between the age groups was statistically insignificant (x2= 3.882 & P=0.274). Clinically, 7 cases (35%) were asymptomatic and another 13 cases (65%) had different clinical pictures. Abdominal pain, anemia, eosinophilia, and tender hepatomegaly were seen in 70%, 80%, 70%, and 10%; respectively. Of them, 1 1cases showed positive abdominal ultrasonographic findings suggestive of fascioliasis.
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PMID:Changing pattern of fascioliasis prevalence early in the 3rd millennium in Dakahlia Governorate, Egypt: an update. 2369 33

We document a case of locally acquired "broad- or fish-tapeworm" infection caused by Diphyllobothrium latum in a 27-year-old Spanish man, confirmed by molecular analysis (COI gene). The patient had naturally expelled a worm of 110 cm in length, but the physical examination did not yield any remarkable findings, and the patient did not suffer from any particular symptoms. Laboratory test results were normal except for a remarkable increase in the red blood cell count, and an evident decrease in the mean corpuscular volume and mean corpuscular hemoglobin. Vitamin B12 and folic acid values were in the normal range without signs of anemia. It was suggested that these anomalies in erythrocyte formation might not be related to the parasite, and analysis of the patient's anamnestic data revealed that the infection could only have been caused by the ingestion of imported fish, although no light could be shed on the specific source of infection. From a public health viewpoint, this human case of fish-borne zoonosis is exemplary, suggesting that not only is control of fish and fish product quality essential, but also increased awareness of the general population with regard to changes in culinary habits.
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PMID:Human infection by a "fish tapeworm", Diphyllobothrium latum, in a non-endemic country. 2376 13

Although Ancylostoma ceylanicum is known to be an endemic and widely distributed hookworm of dogs and cats in Asia, its contribution to human morbidity as a potentially zoonotic hookworm remains largely unexplored. Since its discovery by Lane (1913) as a 'new parasite' of humans a century ago, the hookworm has been regarded as a 'rare' and 'abnormal' parasite and largely overlooked in surveys of human parasites. Recent molecular-based surveys in Asia, however, have demonstrated that A. ceylanicum is the second most common hookworm species infecting humans, comprising between 6% and 23% of total patent hookworm infections. In experimentally induced infections, A. ceylanicum mimics the clinical picture produced by the anthroponotic hookworms of 'ground itch' and moderate to severe abdominal pain in the acute phase. Natural infections with A. ceylanicum in humans have been reported in almost all geographical areas in which the hookworm is known to be endemic in dogs and cats, however for the majority of reports, no clinical data are available. Much like the anthroponotic hookworm species, patent A. ceylanicum adults can isolate within the jejunum to produce chronic infections that on occasion, may occur in high enough burdens to produce anaemia. In addition, the hookworm can act much like Ancylostoma caninum and be found lower in the gastrointestinal tract leading to abdominal distension and pain, diarrhoea and occult blood in the faeces accompanied by peripheral eosinophilia. Whether A. ceylanicum is capable of producing both classical hookworm disease and evoking morbidity through an uncontrolled allergic response in some individuals remains unascertained. Future investigations combining the use of molecular diagnostic tools with clinical and pathological data will shed further light on its role as a human pathogen. The control of this zoonosis necessitates an integrated and inter-sectorial "One Health" approach be adopted in communities where large numbers of dogs share a close relationship with humans.
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PMID:Ancylostoma ceylanicum, a re-emerging but neglected parasitic zoonosis. 2396 13

Although best known as an animal disease, human babesiosis is attracting increasing attention as a worldwide emerging zoonosis. Humans are commonly infected by the bite of ixodid ticks. Rare ways of transmission are transplacental, perinatal and transfusion-associated. Infection of the human host can cause a very severe host-mediated pathology including fever, and hemolysis leading to anemia, hyperbilirubinuria, hemoglobinuria and possible organ failure. In recent years, apparently owing to increased medical awareness and better diagnostic methods, the number of reported cases in humans is rising steadily worldwide. Hitherto unknown zoonotic Babesia spp. are now being reported from geographic areas where babesiosis was not previously known to occur and the growing numbers of travelers and immunocompromised individuals suggest that the frequency of cases in Europe will also continue to rise. Our review is intended to provide clinicians with practical information on the clinical management of this rare, but potentially life-threatening zoonotic disease. It covers epidemiology, phylogeny, diagnostics and treatment of human babesiosis and the potential risk of transfusion-transmitted disease with a special focus on the European situation.
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PMID:Human babesiosis in Europe: what clinicians need to know. 2410 43

Leptospirosis is a disease caused by pathogenic spirochetes of genus Leptospira. It is considered the most common zoonosis in the world. Acute pancreatitis is a rare complication of leptospirosis (25%). We present the case of a 34-year-old male patient with severe leptospirosis complicated with acute renal failure. After 9 days from the onset of the disease, the patient developed acute necrotizing pancreatitis, infected from the very beginning, associated with multiple organ failure, septic shock and severe anemia. The diagnosis was clinically and biologically stated and confirmed by CT-scan. The patient underwent surgery for infected necrotizing acute pancreatitis of the head and neck of the pancreas, with left retroperitoneal expansion down to the left iliac fossa. We performed a necrosectomy with the evacuation of the tisular debris, multiple drainage of the peritoneal cavity, followed by an open abdomen with synthetic mesh. The postoperative evolution was difficult but constantly progressive. Two reinterventions were necessary. The patient left the hospital in good condition after 75 days postoperatively.
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PMID:Severe acute pancreatitis - a serious complication of leptospirosis. 2414 92

Eosinophilic meningitis caused by Angiostrongylus cantonensis is a zoonosis endemic to Southeast Asia and the Pacific islands. It is considered an emerging disease because it has been expanding both geographically and in terms of the range of hosts. In South America, the first cases were reported in Brazil and were attributed to eating infected snails. In this study, 70 adult females of Rattus norvegicus (Wistar) were used to evaluate hematology, blood gases, cardiac markers and lung histopathology changes caused by this parasite. Of them, 60 were individually infected by orogastric gavage with 100 L(3) larvae and 10 uninfected animals formed the control group. The results obtained demonstrate that infection caused by A. cantonensis in R. norvegicus promotes significant hematological changes induced in the vertebrate host, manifested mainly in the form of regenerative anemia, thrombocytopenia and eosinophilia. Additionally, histopathological changes in the lung parenchyma demonstrated in rodents reveal the occurrence of areas of necrosis and extensive fibrosis, being directly related to the development of cellular hypoxia and enzyme cardiac changes. This study can contribute to a better understanding of the relationship between A. cantonensis and R. norvegicus.
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PMID:Hematological and histopathological changes in Rattus norvegicus (Wistar) experimentally infected by Angiostrongylus cantonensis (Chen, 1935). 2478 30

Q fever is a zoonosis caused by Coxiella burnetii that presents with a wide spectrum of acute and chronic manifestations. Progression to chronic Q fever is frequently associated with valve and vascular prosthesis, aneurisms, pregnancy, immunosuppression, and advanced chronic kidney disease. We present a case of a kidney transplant recipient with persistent fever of unknown origin, negative blood cultures, anemia, and increased erythrocyte sedimentation rate (ESR) and C-reactive protein (CRP). Q fever serological tests were suggestive of chronic Q fever and the patient was diagnosed with probable chronic Q fever according to the Dutch Fever Consensus Group Guidelines. Initiation of doxycycline 200 mg/d and hydroxychloroquine 600 mg/d resulted in clinical remission. Chronic Q fever is a high-morbidity and -mortality disease if untreated and special attention has to be given to high-risk patients, such as kidney transplant recipients.
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PMID:Chronic Q Fever in a renal transplant recipient: a case report. 2603 15

Babesiosis is a tick born zoonosis caused by red blood cell parasites of the genus Babesia. It is caused predominantly by B. microti and B. divergens, microti being more common in the US. The parasites are transmitted by Ixodes tick to their host but infection can also spread by blood transfusion and perinatally. Clinical manifestations vary from subclinical infection to fulminating disease depending upon the immune status of the patient. About half of patients, hospitalized with babesiosis, develop complication with fatality rates of 6 to 9% which increase up to 21% among those with immunosuppression. A case of 58-year-old previously healthy man, infected by B. microti, was reported on 2000 who presented with severe disease characterized by severe anemia, DIC, and renal and respiratory failure. First case of overwhelming septic shock without respiratory involvement due to babesiosis in a healthy patient with an intact spleen was published in a case report on 2011. Since our patient here is an immunocompetent healthy male with intact spleen presenting with severe babesiosis requiring exchange transfusion, this presentation of Babesia is rare and warrants further study.
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PMID:Babesia in a Nonsplenectomized Patient Requiring Exchange Transfusion. 2669 64

Surra disease is a zoonosis caused by Trypanosoma (Trypanozoon) evansi, a salivary trypanosome, originally from Africa, which affects a wide range of mammalian worldwide. Dogs are highly susceptible to T. evansi infection and they often exhibit strong clinical signs than can lead to death, even within weeks in untreated acute cases. The present survey is the first report through clinical, parasitological and molecular approaches, of two fatal cases of T. evansi in Colombian dogs. After analysing two presumptive cases of infection with Trypanosoma spp., in dogs by parasitological methods, we confirmed by molecular techniques the presence of T. evansi, finding clinical signs such as anaemia, thrombocytopenia and hepatosplenomegaly, with fatal outcomes within a week even after the treatment. A phylogenetic and phylogeographic analysis of both isolates from T. evansi, suggest a complex evolutionary relationship with species of Trypanozoon subgenus. Moreover, the haplotype H2 was observed for the first time in Colombia, in common areas where human cases of T. evansi infection has been reported. These findings imply a relevant problem for animal health in the country, and highlight the importance of this infection in domestic animals and the possibility of human cases.
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PMID:Molecular diagnosis and phylogeographic analysis of Trypanosoma evansi in dogs (Canis lupus familiaris) suggest an epidemiological importance of this species in Colombia. 2836 36

Brucellosis is one of the most widespread zoonosis in the world. Hematological complications in brucellosis usually present as mild anemia, leukopenia, or pancytopenia. Autoimmune hemolytic anemia in brucellosis is rarely reported. Here, we report an 18-year-old female presented to us with progressive fatigue, jaundice, and fever. Hematological investigations revealed hemolytic anemia. Direct Coombs test was positive. Further evaluation showed positive serology and culture for Brucella. The patient was diagnosed with brucellosis with autoimmune hemolytic anemia. She was put on rifampicin and doxycycline along with corticosteroids. After 6 weeks, the patient was symptomatically improved with complete remission of hemolytic anemia. The possibility of brucellosis should be considered as a differential diagnosis of autoimmune hemolytic anemia, especially those living in the endemic areas.
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PMID:Acute Brucellosis Presenting as an Autoimmune Hemolytic Anemia. 3049 8


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