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General health checks do NOT reduce the risk of dying from cardiovascular disease
Wednesday, March 09, 2016 1:10 pm Email this article
General health checks do NOT reduce the risk of dying from cardiovascular disease over the next 10 years according to a Cochrane systematic review and meta-analysis of studies.
Risk of Cardiovascular Death
General health checks associated with 3% greater risk of cardiovascular death, but not statistically significant
For cardiovascular mortality, they looked at 8 trials that involved a total of 152,435 people and 4567 deaths, and had a median follow-up was 10.4 years.
Those receiving regular health checks were 3% more likely to die from cardiovascular disease over during the follow-up, but the difference was not statistically significant.
Definition of General Health Checks
General health checks to identify signs, symptoms, or risk factors for disease that were previously unrecognized
“General health checks involve a contact between a person and a healthcare professional to identify signs, symptoms, or risk factors for disease that were previously unrecognized,” the paper notes.
“They are combinations of screening tests, few of which have been adequately studied in randomised trials. For example, although the benefits and harms of treatments for conditions such as hypertension and diabetes have been extensively studied in randomised trials, screening asymptomatic people for these conditions has not.”
“General health checks involve multiple tests in a person who does not feel ill with the purpose of finding disease early, preventing disease from developing, or providing reassurance.”
Medical Interventions Can Cause Harm
All medical interventions can lead to harm
“While we cannot be certain that general health checks lead to benefit, we know that all medical interventions can lead to harm,” the authors note.
“Possible harms from health checks are overdiagnosis, overtreatment, distress or injury from invasive follow-up tests, distress due to false positive test results, false reassurance due to false negative test results, possible continuation of adverse health behaviours due to negative test results, adverse psychosocial effects due to labelling, and difficulties with getting insurance.
“Last but not least, organised programmes of general health checks are likely to be expensive and may result in lost opportunities to improve other areas of healthcare.”
Conclusion: General health checks do not reduce the risk of death or disease
“General health checks did not reduce morbidity or mortality, neither overall nor for cardiovascular or cancer causes, although they increased the number of new diagnoses,” the paper concludes.
“With the large number of participants and deaths included, the long follow-up periods used in the trials, and considering that death from cardiovascular diseases and cancer were not reduced, general health checks are unlikely to be beneficial.”
Krogsboll LT, Jorgensen KJ, Gronhoj Larsen C, and Gotzsche PC. General health checks in adults for reducing morbidity and mortality from disease. Cochrane Database Syst Rev, 2012; 10: CD009009.
Krogsboll LT, Jorgensen KJ, Gronhoj Larsen C, and Gotzsche PC. General health checks in adults for reducing morbidity and mortality from disease: Cochrane systematic review and meta-analysis. BMJ, 2012; 345: e7191. http://www.bmj.com/content/345/bmj.e7191
Author’s Contact Info
Lasse T Krogsbøll
Nordic Cochrane Centre
2100 Copenhagen, Denmark
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