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Archivos de cardiología de México

versión On-line ISSN 1665-1731versión impresa ISSN 1405-9940

Resumen

ALEXANDERSON-ROSAS, Erick et al. Comorbidities and clinical symptoms can modify myocardial function: a cross-sectional study with PET/CT. Arch. Cardiol. Méx. [online]. 2023, vol.93, n.3, pp.336-344.  Epub 04-Sep-2023. ISSN 1665-1731.  https://doi.org/10.24875/acm.22000088.

Objective:

Associating comorbidities and cardiac symptoms that alter myocardial mechanical function could help clinicians to correctly identify at-risk population.

Methods:

We conducted a functional open population cross-sectional study of patients referred to a positron emission tomography/computed tomography unit in Mexico City for evaluation of myocardial function, perfusion, and coronary circulation. Ischemia was defined as a sum difference score ≥ 2. Association between comorbidities and cardiac symptoms was tested using logistic regression models and trend analysis. We performed an interaction analysis to evaluate the addition of any accompanying symptoms to comorbid conditions on impairment of myocardial function.

Results:

One thousand two hundred and seventy-three patients were enrolled, 66.1% male, with a mean age of 62.4 (± 12.7) years, 360 (28.7%) with ischemia, 925 (72.7%) with at least one comorbidity, and 676 (53.1%) had at least one associated cardiac symptom. Patients without ischemia, type 2 diabetes, arterial hypertension, and adverse cardiac symptoms were associated with adverse mechanical, perfusion, and coronary flow parameters. We observed a trend of a cumulative number of comorbidities and cardiac symptoms with increased ischemia and decreased coronary flow. Only in decreased left ventricular ejection fraction, we demonstrated an interaction effect between increased comorbidities and adverse symptoms.

Conclusion:

The high burden of comorbidities and symptoms in our population alters myocardial function regardless of the level of ischemia.

Palabras llave : Myocardial infarction; Nuclear cardiology; Ischemic heart disease; Traditional risk factors; Epidemiology.

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