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Fasting versus non-fasting before elective coronary angiography: A randomized clinical trial
Fatemeh Baharvand1, Arsalan Salari1, Soheil Hasanipour2
1Cardiovascular Diseases Research Center, Department of Cardiology, Heshmat Hospital, School of Medicine, Guilan University of Medical Sciences, Rasht, Iran.
Journal of Cardiovascular and Thoracic Research
|August 27, 2025
Summary
Fasting before coronary angiography is not essential. This study found no significant impact on patient outcomes, suggesting current fasting protocols may be unnecessary for elective procedures.
Area of Science:
- Cardiology
- Internal Medicine
- Diagnostic Procedures
Background:
- Coronary artery disease is a global health issue.
- Coronary angiography is a key diagnostic tool.
- The necessity of fasting before angiography is debated.
Purpose of the Study:
- To evaluate the impact of fasting on patient outcomes before elective coronary angiography.
- To compare safety and clinical outcomes between fasting and non-fasting patients.
Main Methods:
- 600 patients undergoing coronary angiography were divided into fasting and non-fasting groups.
- Demographic data and clinical outcomes were collected and compared.
- Evaluated parameters included pulmonary aspiration, hypoglycemia, GI symptoms, vasovagal reactions, hypotension, and patient satisfaction.
Main Results:
- Fasting did not significantly impact overall patient outcomes.
- Hypoglycemia, GI symptoms, hypotension, and vasovagal responses were more frequent in the fasting group.
- No pulmonary aspirations occurred; patient satisfaction was similar in both groups.
Conclusions:
- Fasting before elective coronary angiography is not essential.
- Current fasting guidelines may not be necessary and could potentially increase adverse events.
- Findings can optimize patient experience and care in cardiac diagnostics.
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