Effects of Non-Invasive Ventilation with different modalities in patients undergoing heart surgery: Protocol for a randomized controlled clinical trial.

Introduction: The thoracic surgical procedure leads to a reduction in respiratory muscle strength. To restore it, certain strategies must be employed. Physiotherapy utilizes resources and techniques such as deep breathing stimulation, cough stimulation, use of incentive spirometers, mobilization, and ambulation.

Risk factors and survival in patients with COVID-19 in northeastern Brazil.

Background: Knowledge about the epidemiology and risk factors surrounding COVID-19 contributes to developing better health strategies to combat the disease.

Objective: This study aimed to establish a survival analysis and identify the risk factors for patients with COVID-19 in an upper middle-income city in Brazil.

Methods: A retrospective cohort study was conducted with 280 hospitalized patients with COVID-19.