Viral Kinetics of SARS-CoV-2 in Patients With COVID-19 in the Intensive Care Unit Undergoing Dental Procedures (VKSPCICUDP)

Viral Kinetics of SARS-CoV-2 in Patients With COVID-19 in the Intensive Care Unit Undergoing Dental Procedures

The prevalence and clinical relevance of viremia in patients with COVID-19 have not been well investigated. Seeking to understand the need for dentistry to perform bloody procedures in critically ill patients with COVID-19 admitted to the ICU, the quantification of the magnitude of viral replication may play a fundamental role in this scenario. For this, it is necessary to study the viremia kinetics of SARS-CoV-2, seeking to assess whether there is any characteristic pattern that may be associated with a worse clinical outcome of the patient with COVID-19 after undergoing bloody dental procedures, therefore, the objective of this research will be to investigate the occurrence of viral kinetics produced by dental procedures in patients with SARS-CoV-2 in Intensive Care Units, where, in addition to analyzing the oral health condition, the viral kinetics of SARS-CoV-2 will also be investigated by means of reverse transcription polymerase chain reaction (RT-PCR) examination of blood samples from patients with COVID-19 undergoing bloody dental treatment. This research is expected to identify risks and consequences regarding the possibility of performing bloody dental treatment in patients with COVID-19 in serious condition, in addition to verifying the association of the impact of oral infection foci on this profile of patients.

Control group composed of 30 positive patients for SARS-CoV-2, from the same ICU, submitted to non-bloody procedures.

Study group consisting of 30 patients who require open dental treatment and with a positive PCR test for SARS-CoV-2 prior and admitted to the Intensive Care Unit.

The performance of bloody dental procedures hospitalized critically ill patients with COVID-19 causes an increase in the quantification of viral replication, causing changes in the patient's clinical outcome

Through three collections of blood samples, in the following moments: (T0) 15 minutes before the beginning of the dental procedure; (T1) 10 minutes after the start of the procedure; and (T3) 10 minutes after the end of the procedure.

Inclusion Criteria: Patients between 16 and 90 years old who describe subgingival scaling of at least one dental sextant or a tooth extraction. Exclusion Criteria: Patients who cannot perform clinical examination and/or open dental procedure.

Dentistry Unit, Heart Institute, Clinical Hospital of the Faculty of Medicine of the University of São Paulo.

After the defense of the thesis, the digital file available on the Portal Digital Library of Theses and Dissertations of the University of São Paulo, in portable document format (PDF) file.

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