The Ethnic/Racial Variations of Intracerebral Hemorrhage (ERICH) study protocol.

MedStar author(s):
Citation: Stroke. 44(10):e120-5, 2013 Oct.PMID: 24021679Institution: MedStar Heart & Vascular InstituteForm of publication: Journal ArticleMedline article type(s): Journal Article | Multicenter Study | Randomized Controlled Trial | Research Support, N.I.H., ExtramuralSubject headings: *African Americans | *Cerebral Hemorrhage | *Databases, Factual | *European Continental Ancestry Group | *Hispanic Americans | Adolescent | Adult | Aged | Aged, 80 and over | Case-Control Studies | Cerebral Hemorrhage/eh [Ethnology] | Cerebral Hemorrhage/ep [Epidemiology] | Cerebral Hemorrhage/ra [Radiography] | Cerebral Hemorrhage/th [Therapy] | Female | Humans | Male | Middle Aged | Prospective Studies | Sex Factors | Tomography, X-Ray ComputedLocal holdings: Available online from MWHC library: 1970 - present, Available in print through MWHC library: 1999 - 2006ISSN:
  • 0039-2499
Name of journal: Stroke; a journal of cerebral circulationAbstract: BACKGROUND AND PURPOSE: Epidemiological studies of intracerebral hemorrhage (ICH) have consistently demonstrated variation in incidence, location, age at presentation, and outcomes among non-Hispanic white, black, and Hispanic populations. We report here the design and methods for this large, prospective, multi-center case-control study of ICH.CONCLUSIONS: The ERICH study is a large, case-control study of ICH with particular emphasis on recruitment of minority populations for the identification of genetic and epidemiological risk factors for ICH and outcomes after ICH.METHODS: The Ethnic/Racial Variations of Intracerebral Hemorrhage (ERICH) study is a multi-center, prospective case-control study of ICH. Cases are identified by hot-pursuit and enrolled using standard phenotype and risk factor information and include neuroimaging and blood sample collection. Controls are centrally identified by random digit dialing to match cases by age (+5 years), race, ethnicity, sex, and metropolitan region.RESULTS: As of March 22, 2013, 1655 cases of ICH had been recruited into the study, which is 101.5% of the target for that date, and 851 controls had been recruited, which is 67.2% of the target for that date (1267 controls) for a total of 2506 subjects, which is 86.5% of the target for that date (2897 subjects). Of the 1655 cases enrolled, 1640 cases had the case interview entered into the database, of which 628 (38%) were non-Hispanic black, 458 (28%) were non-Hispanic white, and 554 (34%) were Hispanic. Of the 1197 cases with imaging submitted, 876 (73.2%) had a 24 hour follow-up CT available. In addition to CT imaging, 607 cases have had MRI evaluation.All authors: Ali LK, Birnbaum L, Brown MW, Chong JY, Coull B, Elkind MS, Flaherty M, Frankel M, Gonzales NR, Hall CE, James ML, Jones F, Kidwell C, Kittner SJ, Koch S, Langefeld CD, Leonard A, Malkoff M, Martinez R, McCauley JL, Osborne J, Rademacher EW, Roberts JN, Rosand J, Sacco RI, Sung G, Testai FD, Waddy S, Warwick T, Watson T, West SE, Woo D, Worrall BBDigital Object Identifier: Date added to catalog: 2014-02-24
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Item type Current library Collection Call number Status Date due Barcode
Journal Article MedStar Authors Catalog Article Available 24021679

Available online from MWHC library: 1970 - present, Available in print through MWHC library: 1999 - 2006

BACKGROUND AND PURPOSE: Epidemiological studies of intracerebral hemorrhage (ICH) have consistently demonstrated variation in incidence, location, age at presentation, and outcomes among non-Hispanic white, black, and Hispanic populations. We report here the design and methods for this large, prospective, multi-center case-control study of ICH.

CONCLUSIONS: The ERICH study is a large, case-control study of ICH with particular emphasis on recruitment of minority populations for the identification of genetic and epidemiological risk factors for ICH and outcomes after ICH.

METHODS: The Ethnic/Racial Variations of Intracerebral Hemorrhage (ERICH) study is a multi-center, prospective case-control study of ICH. Cases are identified by hot-pursuit and enrolled using standard phenotype and risk factor information and include neuroimaging and blood sample collection. Controls are centrally identified by random digit dialing to match cases by age (+5 years), race, ethnicity, sex, and metropolitan region.

RESULTS: As of March 22, 2013, 1655 cases of ICH had been recruited into the study, which is 101.5% of the target for that date, and 851 controls had been recruited, which is 67.2% of the target for that date (1267 controls) for a total of 2506 subjects, which is 86.5% of the target for that date (2897 subjects). Of the 1655 cases enrolled, 1640 cases had the case interview entered into the database, of which 628 (38%) were non-Hispanic black, 458 (28%) were non-Hispanic white, and 554 (34%) were Hispanic. Of the 1197 cases with imaging submitted, 876 (73.2%) had a 24 hour follow-up CT available. In addition to CT imaging, 607 cases have had MRI evaluation.

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