- ICH GCP
- Registro degli studi clinici negli Stati Uniti
- Sperimentazione clinica 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
Panoramica dello studio
Stato
Condizioni
Descrizione dettagliata
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 di studio
Iscrizione (Anticipato)
Contatti e Sedi
Luoghi di studio
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London, Regno Unito, NW1 2DA
- Farr Institute, University College London
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Criteri di partecipazione
Criteri di ammissibilità
Età idonea allo studio
Accetta volontari sani
Sessi ammissibili allo studio
Metodo di campionamento
Popolazione di studio
Descrizione
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
Piano di studio
Come è strutturato lo studio?
Dettagli di progettazione
Coorti e interventi
Gruppo / Coorte |
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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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Cosa sta misurando lo studio?
Misure di risultato primarie
Misura del risultato |
Misura Descrizione |
Lasso di tempo |
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Venn diagram of heart failure recording by data source
Lasso di tempo: 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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Misure di risultato secondarie
Misura del risultato |
Misura Descrizione |
Lasso di tempo |
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Heart failure mortality
Lasso di tempo: 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
Lasso di tempo: 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
Lasso di tempo: 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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Collaboratori e investigatori
Sponsor
Collaboratori
Investigatori
- Cattedra di studio: Stefan Koudstaal, MD PhD, University College, London
- Direttore dello studio: Folkert W. Asselbergs, MD PhD, University College, London
- Investigatore principale: Harry Hemingway, PhD, University College, London
Pubblicazioni e link utili
Pubblicazioni generali
- 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.
Collegamenti utili
Studiare le date dei record
Studia le date principali
Inizio studio
Completamento primario (Anticipato)
Completamento dello studio (Anticipato)
Date di iscrizione allo studio
Primo inviato
Primo inviato che soddisfa i criteri di controllo qualità
Primo Inserito (Stima)
Aggiornamenti dei record di studio
Ultimo aggiornamento pubblicato (Stima)
Ultimo aggiornamento inviato che soddisfa i criteri QC
Ultimo verificato
Maggiori informazioni
Termini relativi a questo studio
Termini MeSH pertinenti aggiuntivi
Altri numeri di identificazione dello studio
- 14_149SK
Queste informazioni sono state recuperate direttamente dal sito web clinicaltrials.gov senza alcuna modifica. In caso di richieste di modifica, rimozione o aggiornamento dei dettagli dello studio, contattare register@clinicaltrials.gov. Non appena verrà implementata una modifica su clinicaltrials.gov, questa verrà aggiornata automaticamente anche sul nostro sito web .
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