Louise Nissen, Jacob Hartmann Søby, Annette de Thurah, Eva Prescott, Anders Prior, Simon Winther, Morten Bøttcher

Contact with general practice in patients with suspected chronic coronary syndrome before and after CT angiography compared with the general population

  • Cardiology and Cardiovascular Medicine
  • Health Policy

Abstract Background Most patients undergoing coronary computed tomography angiography (CCTA) to diagnose coronary artery disease (CAD) are referred from general practitioners (GP). The burden in contacts to GP in relation to investigation on suspected CAD is unknown. Methods All patients undergoing CCTA in Western Denmark from 2014–2022 were included. CCTA stenosis was defined as diameter stenosis of ≥ 50%. Patients with and without stenosis were matched, in each group, 1:5 to a reference population based on birth-year, gender and municipality using data from national registries. All GP visits were registered in up to five years preceding and one year after the CTA and stratified by gender and age. Charlson comorbidity index (CCI) were calculated in all groups. Results Of the 62 512 patients included, 12 886 had a stenosis while 49 626 did not. Patients in both groups had a substantially higher GP visit frequency compared to reference populations. In the year of coronary CTA median GP contacts in patients with stenosis was 11 [6–17] vs. 6 [2–11] in the reference population (P < 0.001), in patients without stenosis 10 [6–17] vs. 5 [2–11] (P < 0.001). These findings were consistent across age and gender. CCI was higher among both patients with and without stenosis compared to reference groups. Conclusion In patients undergoing CCTA to diagnose CAD, a substantially increased frequency of contacts to GP was observed in the five-year period prior to examination compared to the reference populations regardless of the CCTA findings. Obtaining the CCTA result did not seem to substantially affect the GP visit frequency.

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