Vaccination Status and Long COVID Symptoms in Patients Discharged from Hospital

Teresa Cristina D. C. Nascimento, Livia Valle Costa, Amanda Danieleto Ruiz, Carla B. Ledo, Valeria Paes Lima Fernandes,Luiz Francisco Cardoso,José Mauro Vieira,Roberta Saretta,Roberto Kalil-Filho,Luciano F. Drager

Research Square (Research Square)(2022)

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摘要
Abstract Effective vaccination against coronavirus (COVID) mitigates the risk of hospitalizations and mortality but it is unclear whether the vaccination status may influence the post-COVID symptoms in patients who required hospitalization. The available evidence is limited to outpatients with mild cases. Here, we evaluated 412 patients (age: 60 ± 16 years, 65% males) consecutively admitted at two Hospitals in Brazil due to a confirmed case of COVID-19. As compared to patients with complete vaccination (n = 185) before infection/hospitalization, those with no/incomplete vaccination (n = 227) were younger and had a lower frequency of several comorbidities. Data during hospitalization revealed that the no/incomplete vaccination group required more admissions in the intensive care unit, used more corticosteroids and had higher rates of pulmonary embolism/deep venous thrombosis than the complete vaccination group. At 90 days after hospital discharge, patients with no/incomplete vaccination presented a higher frequency of ≥ 1 symptom than patients with complete vaccination: 40 vs. 27%; p = 0.013. After adjustments for confounders, no/incomplete vaccination (OR = 1.819; 95% CI:1.175–2.815), females (OR = 2.435; 95% CI:1.575–3.764) and intensive care unit admission during hospitalization (OR = 1.697; 95% CI:1.062–2.712) were independently associated with ≥ 1 symptom 90-days after hospital discharge. In conclusion, even in patients with more severe COVID-19 infection, vaccination mitigate the probability of long-COVID symptoms.
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covid,vaccination,patients,hospital,symptoms
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