Introduction:

In March 2020, COVID-19 is declared a pandemic. The transmissibility of SARS-CoV-2 in asymptomatic patients, who could infect others, greatly complicates the detection of new cases.

Objectives:

We sought to identify the degree of association of epidemiological factors and comorbidities associated with asymptomatic and symptomatic states, as well as ascertain the main manifestations in these individuals and determine the behavior of laboratory test results.

Methods:

A cross-sectional descriptive study was conducted on a sample of 52 patients with underlying cardiovascular disease, diagnosed with COVID-19 and admitted to the Hospital Universitario Celestino Hernández Robau in Santa Clara (Cuba), a facility exclusively devoted to the care of such patients during the pandemic.

Results:

High blood pressure predominated among the associated comorbidities (32.7%) and dry cough was the most frequent symptom (75%), followed by fever (25%). None of the subjects developed severe symptoms of COVID-19, nor did they die. The highest proportion of cases corresponded to asymptomatic patients (61.5%). Hypercholesterolemia was close to but not yet significant (OR=0.97; CI 0.82-1.16; p=0.06). Mean erythrocyte sedimentation values were higher in asymptomatic than symptomatic patients (CI 8.45-33.74; p=0.02).

Conclusions:

In individuals with heart disease the relationship between epidemiological factors and associated comorbidities was similar in asymptomatic and symptomatic states. Results of most laboratory tests yielded no differences between the two types of patients.

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