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- Registro de ensayos clínicos de EE. UU.
- Ensayo clínico NCT02551016
Heart Failure Recorded in Primary Care, Hospital Admissions and National Mortality Registry
Capture and Concordance of Heart Failure Recorded in Primary Care, Hospital Admissions and National Mortality Registry: A Cohort Study In 2.1 Million People
Descripción general del estudio
Estado
Condiciones
Descripción detallada
Heart failure (HF) is one of the leading causes of hospital admissions and mortality in modern healthcare systems. It can be viewed as a collective clinical syndrome of many signs and symptoms and is frequently the common endpoint of various heart diseases. Often, it is not diagnosed until it has reached a level whereby quality of life is significantly, and often irreversibly, impaired. Even though vast quantities of National Health Service (NHS) data concerning patients with heart failure are recorded, there are limited 'real world' longitudinal insights about the prognosis and consequences of HF. Although linked electronic health records cohorts such as the CALIBER program become increasingly available, for heart failure the overlap, risk factors and subsequent mortality have not been compared. Previous studies on heart failure using EHR sources have used ICD-9 or 10 codes for the identification of heart failure cases and the prevalence estimates of risk factors and comorbidity. Furthermore, the assessment of supporting information for heart failure present in electronic healthcare registries remains largely unknown. Currently, heart failure is typically inferred based on previous reports or the prescription of heart failure related medication. To strengthen heart failure case ascertainment in large electronic healthcare registries, linkages with primary care data such as what is done in CALIBER could allow more detailed insight in medical history, clinical diagnoses, anthropometric measures, health behaviour, laboratory tests, medical procedures and prescriptions.
In this study, the investigators assessed the distribution of recording, supportive medical information for heart failure diagnosis, risk factors and subsequent mortality of heart failure patients captured in linked EHR data from primary care, hospital admissions and/or death registry.
This study is part of the CALIBER (Cardiovascular disease research using linked bespoke studies and electronic records) programme funded over 5 years from the NIHR and Wellcome Trust. CALIBER has received both Ethics approval (ref 09/H0810/16) and ECC approval (ref ECC 2-06(b)/2009 CALIBER dataset).
Tipo de estudio
Inscripción (Anticipado)
Contactos y Ubicaciones
Ubicaciones de estudio
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London, Reino Unido, NW1 2DA
- Farr Institute, University College London
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Criterios de participación
Criterio de elegibilidad
Edades elegibles para estudiar
Acepta Voluntarios Saludables
Géneros elegibles para el estudio
Método de muestreo
Población de estudio
Descripción
Inclusion Criteria:
- Patients with a coded diagnosis for heart failure in primary care or hospital admission
- Patients with a coded diagnosis for heart failure as a cause of death in the national mortality register
- Patients in CPRD practices which are deemed "up to standard" for more than 1 year by CPRD criteria.
- Patients with at least one year of follow-up in the CPRD practice CPRD.
Exclusion Criteria:
- past medical history of heart failure
Plan de estudios
¿Cómo está diseñado el estudio?
Detalles de diseño
Cohortes e Intervenciones
Grupo / Cohorte |
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Primary care only
Patients with heart failure recorded in primary care and never hospitalized for heart failure
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Primary care and secondary care
Patients with heart failure recorded in primary care with at least one record of a heart failure related hospitalization.
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Secondary care only
Patients with heart failure recorded in at least one heart failure related hospitalization without a concurrent primary care record.
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¿Qué mide el estudio?
Medidas de resultado primarias
Medida de resultado |
Medida Descripción |
Periodo de tiempo |
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Venn diagram of heart failure recording by data source
Periodo de tiempo: 13 years
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Frequency and overlap of heart failure patients recorded in primary care, hospital admissions and as cause of death in the national mortality registry.
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13 years
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Medidas de resultado secundarias
Medida de resultado |
Medida Descripción |
Periodo de tiempo |
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Heart failure mortality
Periodo de tiempo: 5 years
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5 year heart failure cause of death following the first recorded heart failure diagnosis
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5 years
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Cardiovascular mortality
Periodo de tiempo: 5 years
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The 5 year cardiovascular mortality following the first recorded heart failure diagnosis.
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5 years
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All-cause mortality
Periodo de tiempo: 5 years
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The all cause mortality 5 years following the first recorded heart failure diagnosis
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5 years
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Colaboradores e Investigadores
Patrocinador
Colaboradores
Investigadores
- Silla de estudio: Stefan Koudstaal, MD PhD, University College, London
- Director de estudio: Folkert W. Asselbergs, MD PhD, University College, London
- Investigador principal: Harry Hemingway, PhD, University College, London
Publicaciones y enlaces útiles
Publicaciones Generales
- Denaxas SC, George J, Herrett E, Shah AD, Kalra D, Hingorani AD, Kivimaki M, Timmis AD, Smeeth L, Hemingway H. Data resource profile: cardiovascular disease research using linked bespoke studies and electronic health records (CALIBER). Int J Epidemiol. 2012 Dec;41(6):1625-38. doi: 10.1093/ije/dys188. Epub 2012 Dec 5.
- Koudstaal S, Pujades-Rodriguez M, Denaxas S, Gho JMIH, Shah AD, Yu N, Patel RS, Gale CP, Hoes AW, Cleland JG, Asselbergs FW, Hemingway H. Prognostic burden of heart failure recorded in primary care, acute hospital admissions, or both: a population-based linked electronic health record cohort study in 2.1 million people. Eur J Heart Fail. 2017 Sep;19(9):1119-1127. doi: 10.1002/ejhf.709. Epub 2016 Dec 23.
Enlaces Útiles
Fechas de registro del estudio
Fechas importantes del estudio
Inicio del estudio
Finalización primaria (Anticipado)
Finalización del estudio (Anticipado)
Fechas de registro del estudio
Enviado por primera vez
Primero enviado que cumplió con los criterios de control de calidad
Publicado por primera vez (Estimar)
Actualizaciones de registros de estudio
Última actualización publicada (Estimar)
Última actualización enviada que cumplió con los criterios de control de calidad
Última verificación
Más información
Términos relacionados con este estudio
Términos MeSH relevantes adicionales
Otros números de identificación del estudio
- 14_149SK
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