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Community Surveillance of Congestive Heart Failure

This study has been completed.
Sponsor:
Information provided by:
National Heart, Lung, and Blood Institute (NHLBI)
ClinicalTrials.gov Identifier:
NCT00005517
First received: May 25, 2000
Last updated: November 10, 2005
Last verified: November 2005

May 25, 2000
November 10, 2005
August 1998
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Complete list of historical versions of study NCT00005517 on ClinicalTrials.gov Archive Site
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Community Surveillance of Congestive Heart Failure
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To conduct a surveillance study of congestive heart failure (CHF).

DESIGN NARRATIVE:

Systematic surveillance was conducted of CHF among residents, 35-84 years old, of the Minneapolis-St.Paul metropolitan area (population 2.45 million, 1995 estimate) in two complementary domains: 1) hospitalization for CHF in two calendar years, five years apart (1995 and the year 2000); and 2) newly diagnosed CHF over a 9-year period (1993-2001) among members of a large Health Maintenance Organization (HMO). The magnitude and characteristics of hospitalized CHF were assessed in all 21 acute care hospitals of the metropolitan area. One-third of all discharges with ICD-9 CHF codes were sampled randomly (n about 5,000 per surveillance year), abstracted by trained nurses, and classified according to clinical criteria and the results of diagnostic tests. Newly diagnosed CHF was distinguished from recurrent episodes of decompensated CHF by thorough review of the hospital record. A complementary perspective on CHF, including the outpatient setting, was provided by a systematic study of members of HealthPartners, one of the largest HMOs in Minneapolis-St. Paul. Using the HealthPartners database, all newly diagnosed CHF cases between January 1, 1993 and December 31, 2001 (n about 1,900) were identified and the diagnosis validated. Beginning in January 1, 1999, newly diagnosed CHF cases were identified on an ongoing basis (n about 600), surveyed by mail, and followed for one-year from the original diagnosis. Surveillance of the HealthPartners population supplemented hospital surveillance and contributed data on incidence, prevalence, treatment, use of resources, and patient outcomes.

Observational
Observational Model: Natural History
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  • Cardiovascular Diseases
  • Heart Failure, Congestive
  • Heart Diseases
  • Heart Failure
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*   Includes publications given by the data provider as well as publications identified by ClinicalTrials.gov Identifier (NCT Number) in Medline.
 
Completed
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June 2004
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No eligibility criteria

Both
35 Years to 84 Years
No
Contact information is only displayed when the study is recruiting subjects
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NCT00005517
5036
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National Heart, Lung, and Blood Institute (NHLBI)
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Investigator: Eyal Shahar University of Minnesota - Clinical and Translational Science Institute
National Heart, Lung, and Blood Institute (NHLBI)
November 2005

ICMJE     Data element required by the International Committee of Medical Journal Editors and the World Health Organization ICTRP