Key result
Post-cuff deflation temperature rebound measured by digital thermal monitoring was significantly lower in patients with coronary heart disease compared to those without (p < 0.05).
Why the study?
Does digital thermal monitoring (DTM) identify vascular dysfunction in individuals with known coronary heart disease compared to those without?
Observational (n=133)
Does digital thermal monitoring (DTM) identify vascular dysfunction in individuals with known coronary heart disease compared to those without?
p-value: p=< 0.05
Digital thermal monitoring of vascular function shows that temperature rebound is significantly lower in patients with CHD, suggesting its potential utility as a non-invasive tool for cardiovascular risk assessment.
DTM temperature rebound was lower in CHD; hypothesis-generating for non-invasive vascular assessment and should not yet change practice.
Digital thermal monitoring (DTM) of vascular function during cuff-occlusive reactive hyperemia relies on the premise that changes in fingertip temperature during and after an ischemic stimulus reflect changes in blood flow. To determine its utility in individuals with and without known coronary heart disease (CHD), 133 consecutive individuals (age 54 +/- 10 years, 50% male, 19 with known CHD) underwent DTM during and after 2 minutes of supra-systolic arm cuff inflation. Fingertip temperatures of the occluded and non-occluded fingertips were measured simultaneously. Post-cuff deflation temperature rebound (TR) was lower in the CHD patients and in those with an increased Framingham risk score (FRS) compared to the normal group. After adjustment for age, sex, and cardiac risk factors, TR was significantly lower in those with CHD compared to those without CHD (p < 0.05). This study demonstrates that vascular dysfunction measured by DTM is associated with CHD and an increased FRS, and could potentially be used to identify high-risk patients.
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Gul et al. (2009) conducted an observational in Coronary heart disease (n=133). Coronary heart disease vs. No coronary heart disease was evaluated on Post-cuff deflation temperature rebound (TR) (p=< 0.05). Post-cuff deflation temperature rebound measured by digital thermal monitoring was significantly lower in patients with coronary heart disease compared to those without (p < 0.05).
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