AI Article Synopsis
- The study aimed to enhance the treatment of patients with hypertension (HTN) and coronary artery disease (CAD) by integrating key factors affecting coronary blood flow (CBF) such as CAD severity, diastolic blood pressure (DBP), and left ventricular (LV) mass.
- Validated equations for estimating CBF showed a strong correlation with clinical DBP, highlighting that higher LV mass and severe CAD lead to reduced CBF at the same DBP levels.
- Clinicians can use severity assessments from CT or angiography, along with LV mass from echocardiography, to better manage DBP and ensure adequate CBF in patients.
Article Abstract
The objective was to improve the management of patients with hypertension (HTN) and coronary artery disease (CAD), utilizing a model which integrates 3 determinants of coronary blood flow (CBF)-CAD severity, diastolic blood pressure (DBP), and left ventricular (LV) mass. We validated non-parametric equations for CBF estimation in a consecutive patient sample (N = 81) with HTN and CAD. There was a highly significant correlation (r = .565; P < .01) between clinical DBP and estimated CBF. Greater LV mass and more severe CAD shifted the relationship towards less CBF at the same DBP. LV mass was more critical when DBP >70 mm Hg. Estimated changes in CBF at different DBP considering the severity of CAD and LV mass can be calculated. In summary, the severity of CAD from coronary CT or coronary angiography combined with LV mass from echocardiography permits clinicians to guide the extent of, or target for, DBP to avoid seriously compromising CBF.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC8030961 | PMC |
| http://dx.doi.org/10.1111/jch.13191 | DOI Listing |
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