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Association of Meteorological Variables and Coronary Blood Flow
Ali Yildiz1, Yusuf Sezen2, Ozgur Gunebakmaz2
1Department of Cardiology, Harran University School of Medicine, Sanliurfa, Turkey ghcayildiz@yahoo.com.
Summary
Daily maximum temperature influences coronary blood flow (CBF), impacting slow coronary flow (SCF) and TFC. This study highlights meteorological factors
Area of Science:
- Cardiology
- Environmental Medicine
- Physiology
Background:
- Coronary blood flow (CBF) regulation is complex.
- Meteorological variables may influence cardiovascular health.
- Slow coronary flow (SCF) affects myocardial perfusion.
Purpose of the Study:
- To investigate the association between meteorological parameters and CBF.
- To identify predictors of slow coronary flow (SCF).
- To determine factors influencing thrombolysis in myocardial infarction frame count (TFC).
Main Methods:
- Evaluated CBF using thrombolysis in myocardial infarction frame count (TFC).
- Assessed 1206 patients, analyzing demographic, clinical, and laboratory data.
- Correlated CBF with temperature, humidity, solar radiation, pressure, wind, and sunshine duration.
Main Results:
- Slow coronary flow (SCF) was present in 196 patients.
- Daily maximum temperature was the sole independent predictor for SCF presence (OR=0.951).
- Systolic blood pressure, hematocrit, and daily maximum temperature predicted log10 (mean TFC).
Conclusions:
- Meteorological parameters, particularly daily maximum temperature, play a role in CBF regulation.
- Daily maximum temperature is an independent predictor of SCF.
- Findings suggest environmental factors influence coronary hemodynamics.
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