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. 2022 Apr;29(2):768-778.
doi: 10.1007/s12350-020-02360-5. Epub 2020 Oct 6.

Psychological factors of suspect coronary microvascular dysfunction in patients undergoing SPECT imaging

Maria T Bekendam  1 , Ilse A C Vermeltfoort  2 , Willem J Kop  3 , Jos W Widdershoven  3   4 , Paula M C Mommersteeg  3
Affiliations

Psychological factors of suspect coronary microvascular dysfunction in patients undergoing SPECT imaging

Maria T Bekendam et al. J Nucl Cardiol. 2022 Apr.

Abstract

Background: Patients with myocardial ischemia in the absence of obstructive coronary artery disease (CAD) often experience anginal complaints and are at risk of cardiac events. Stress-related psychological factors and acute negative emotions might play a role in these patients with suspect coronary microvascular dysfunction (CMD).

Methods and results: 295 Patients (66.9 ± 8.7 years, 46% women) undergoing myocardial perfusion single-photon-emission computed tomography (MPI-SPECT), were divided as follows: (1) a non-ischemic reference group (n = 136); (2) patients without inducible ischemia, but with a history of CAD (n = 62); (3) ischemia and documented CAD (n = 52); and (4) ischemia and suspect CMD (n = 45). These four groups were compared with regard to psychological factors and acute emotions. Results revealed no differences between the groups in psychological factors (all P > .646, all effect sizes d < .015). State sadness was higher for patients with suspect CMD (16%) versus the other groups (P = .029). The groups did not differ in the association of psychological factors or emotions with anginal complaints (all P values > .448).

Conclusion: Suspect CMD was not associated with more negative psychological factors compared to other groups. State sadness was significantly higher for patients with suspect CMD, whereas no differences in state anxiety and other psychological factors were found.

Keywords: Cardiac stress testing; Emotions; Myocardial ischemia; Psychological factors; Suspect CMD.

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