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
研究概览
地位
条件
详细说明
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).
研究类型
注册 (预期的)
联系人和位置
学习地点
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London、英国、NW1 2DA
- Farr Institute, University College London
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参与标准
资格标准
适合学习的年龄
接受健康志愿者
有资格学习的性别
取样方法
研究人群
描述
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
学习计划
研究是如何设计的?
设计细节
队列和干预
团体/队列 |
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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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研究衡量的是什么?
主要结果指标
结果测量 |
措施说明 |
大体时间 |
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Venn diagram of heart failure recording by data source
大体时间: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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次要结果测量
结果测量 |
措施说明 |
大体时间 |
---|---|---|
Heart failure mortality
大体时间: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
大体时间: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
大体时间: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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合作者和调查者
合作者
调查人员
- 学习椅:Stefan Koudstaal, MD PhD、University College, London
- 研究主任:Folkert W. Asselbergs, MD PhD、University College, London
- 首席研究员:Harry Hemingway, PhD、University College, London
出版物和有用的链接
一般刊物
- 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.
研究记录日期
研究主要日期
学习开始
初级完成 (预期的)
研究完成 (预期的)
研究注册日期
首次提交
首先提交符合 QC 标准的
首次发布 (估计)
研究记录更新
最后更新发布 (估计)
上次提交的符合 QC 标准的更新
最后验证
更多信息
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