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At least 451 records · Page 25Linked to original sources
PubMed1999

[Epidemiology of cerebral cysticercosis in an Andean community in Ecuador].

Taenia solium neurocysticercosis (NCC) has been documented to be an underlying cause of epilepsy, intractable headaches, hydrocephalus, dementia and other serious neurological conditions in many countries of Central and South America. However, methodological limitations had prevented the assessment of the true prevalence of this condition at the community level. We conducted a house-to-house neuroepidemiological survey of 6,118 residents of an Andean community. This information was used to target neuroimaging (CT-scan) and immunodiagnosis (enzyme-linked immunoelectrotransfer blot assay, EITB) tests in individuals suspected of harbouring Taenia solium NCC. In the rural population, NCC was confirmed in 8 out of 47 examined by CT-scan (17%) and in 6 of 42 examined by EITB (14%). In the urban population, NCC was confirmed in 35 of 147 examined by CT-scan (23.8%) and in 28 of 124 examined by EITB (22.6%). In a sample of relatives of patients with documented cerebral cysticercosis, 20 out of 81 examined by CT-scan (25%) and 12 of 79 (15%) examined by EITB had NCC. Finally, CT scans were performed for 83 school children from urban areas, and 9 (11%) were diagnosed as harbouring NCC. In a community-based study, cysticercosis appears to be much more frequent than initially thought, when CT examination is used as the "gold standard" for diagnosis.

Adolescent↗
PubMed1999

PCR detection and identification of Leishmania parasites in clinical specimens in Ecuador: a comparison with classical diagnostic methods.

A simplified polymerase chain reaction (PCR)-based assay was used for detection and typing of Leishmania parasites in clinical specimens from patients suspected of cutaneous leishmaniasis. Using cultures as the reference standard, our PCR detection method was more sensitive (92%) than classical diagnostic techniques, including microscopy (42% sensitivity), histologic staining (33%), and IgG enzyme-linked immunosorbent (20%). The PCR assay was also 100% specific. Parasites in both lesion biopsies and isolates cultured from lesion aspirates were identified as Leishmania braziliensis by PCR. In this study, we have demonstrated the suitability of simplified PCR assays for the simultaneous diagnosis and typing of parasites causing cutaneous leishmaniasis in a developing country where leishmaniasis is endemic.

Adolescent↗
PubMedDate not supplied

Non-traumatic intracerebral hemorrhage in young adults living in Guayaquil, Ecuador (South America): analysis of 151 patients.

We studied 151 patients aged 15 to 44 years with non-traumatic intracerebral hemorrhage admitted to a large public hospital over a 10-year period. Patients were evaluated for an association of death or severe disability after the stroke with the following variables: sex, age, location of the hemorrhage, and possible etiology. Lobar hemorrhages were found in 63 (41.7%) patients, putaminal hemorrhages in 39 (25.8%), posterior fossa hemorrhages in 24 (15.9%), and hemorrhages in other locations in 25 (16.6%). A possible etiology was determined in 109 (72.2%) patients. Hypertensive arteriolopathy accounted for 60 (39.7%) cases, rupture of a saccular aneurysm or a vascular malformation for 33 (21.9%), and other etiologies for 16 (10.6%). Thirty-four (22.5%) patients died after the acute event. The age of the patient, the location, and the etiology of the hemorrhage had no prognostic significance for mortality. In contrast, these factors predicted the degree of functional recovery in survivors. The best prognosis was noted in patients younger than 35 years with lobar hemorrhages of undetermined etiology, and the worst prognosis was noted in patients aged 35-44 years with putaminal or posterior fossa hemorrhages related to hypertensive arteriolopathy.

Activities of Daily Living↗
PubMed1999

A birth in Ecuador.

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Attitude to Health↗
PubMed1991

Ecuador.

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Agriculture↗