Myocardial perfusion scintigraphy during the COVID-19 pandemic - findings from the university teaching hospital in Slovenia

  • Guzic Salobir B
  • Dolenc Novak M
  • Stalc M
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Abstract

Introduction: Department for nuclear medicine in the University medical centre Ljubljana provides nuclear medicine diagnostic procedures for approximately 1.000.000 inhabitants of Slovenia. As many countries in Europe, Slovenia was faced with the first wave of the COVID-19 pandemic in early spring of 2020. Since our country is situated next to the northern part of Italy, where the situation was critical, our Ministry of health issued specific recommendations in March 2020. The aim was to increase hospital capacities for COVID-19 patients through limiting non-urgent diagnostic tests including myocardial perfusion scintigraphy (MPS) and to minimize the spread of the virus into hospital departments. The epidemiologic situation of the first wave resolved within 3 months. In the second wave of the pandemic in autumn 2020, the recommendations on patient care in non COVID-19 cases were less limiting to avoid worsening of non COVID-19 related diseases and patient prognosis. Purpose: The aim of our study was to evaluate the influence of the COVID-19 pandemic on MPS in our medical institution. Methods: Data on numbers of MPS, clinical characteristics of the patients and findings of MPS were prospectively collected for the first wave (in spring from March 15th to June 15th 2020) and second wave (in autumn from September 15th to December 15th 2020) of the pandemic and were compared with the same periods in 2019. Results: During the first wave we performed 40% less MPS, significantly more patients had pharmacological stress and were outpatients than in spring 2019. There were no significant differences in other clinical characteristics and MPS findings (Table 1 and Figure 1). In autumn 2020 we reorganized our schedule to increase the number of patients, which was once again comparable to previous year's autumn. Although the number of patients was comparable, patients were now significantly older and had more often pharmacological stress, but there were no significant differences in other clinical data or MPS findings (Table 1 and Figure 1). Conclusions: In our hospital, during the first wave of COVID-19 pandemic, we performed significantly less MPS than in the same period of the previous year. To minimize the possibility of virus transmission from asymptomatic patients, we followed international recommendations and avoided exercise stress tests but increased the percentage of pharmacological stress tests. A similar approach regarding the type of stress tests was chosen for the second wave in autumn of 2020. However, we decided to increase the number of MPS performed, in order to lessen the negative impact of the pandemic on non COVID-19 related diseases, focusing on coronary artery disease. (Table Presented).

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Guzic Salobir, B., Dolenc Novak, M., & Stalc, M. (2021). Myocardial perfusion scintigraphy during the COVID-19 pandemic - findings from the university teaching hospital in Slovenia. European Heart Journal - Cardiovascular Imaging, 22(Supplement_3). https://doi.org/10.1093/ehjci/jeab111.053

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