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Medical Pearls from the Internet Medical Association


CT angiography of the heart reduced the need for coronary angiography from 100% to 14%. After a median follow-up of 3.3 years, there was no significant difference in major adverse cardiac events between those undergoing CT angiography versus those undergoing conventional coronary angiography (4.2% vs 3.7%, p=0.86).

Comment: This is a good use of technology: using a non-invasive study (CT Angiography) to decrease the need for a more invasive approach. The health benefit was a shorter hospitalization, a non-invasive approach, with no increase (or decrease) in adverse health events over a 3-year follow-up period.



BMJ. 2016 Oct 24;355:i5441    (retrieved Oct, 2016). There are currently 884 pearls in the database. While every attempt has been made to ensure accuracy, mistakes can and do occur. Use databank at your own risk. All pearls © 2018 by the Internet Medical Association. Click Here to view more medical pearls.