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80 active trials for Covid 19

Risk of Contamination by COVID-19 During Oral Care With Aerosolization

The sudden Covid-19 pandemic has led all healthcare workers to adapt to an unprecedented situation by continuing to provide care while protecting themselves and their patients. Medical care with aerosolization systems is particularly of risk because of the strong propagation of the droplets they generate, especially during oral care. Considering the high risk of transmission of the SARS-CoV-2 virus in dental structures remain essential and still very challenging. The need to put in place care procedures to protect the nursing staff and patients is definitely more than necessary. Dental protection equipments against this emergent virus have progressively integrated daily practice, but, to the knowledge of the investigators, no study has precisely evaluated their efficiency. The main objective of this study is to estimate the risk of dental practitioners to be contaminated by SARS-CoV-2 during dental procedures with or without aerosolization procedures. For this, after their informed consent, vaccinated dental practitioners or practitioners with a positive covid serological tests of the dental department of Charles Foix hospital will receive individually forty to fifty COVID+ patients. COVID + patients will be included a maximum of one week after the diagnosis of the pathology. Patient care will be determined and performed according to standard practice as part of their standard management and without interference with the study. The usual measures to protect caregivers. The included patients will undergo an oral dental procedure either with aerosolisation or not. Then, SARS-CoV 2 samples will be collected using viral swabs on different spots, followed by detection and quantification by PCR. Swabbing will be achieved on: The facial skin, nasal, ocular and oral mucosa of the practitioners. The protection equipment of the practitioners (FFP2 masks, visors,surgical calot,gloves) . The environment (dental Chair, surgical light, turbine, contra-angle, on the ground..) The presence of viral loads in areas used by COVID + patients will be evaluated by PCR after swabbing. The study will provide insight into the risk of SARS-CoV 2 contamination for practitioners performing dental procedures in COVID + patients. This risk will be assessed at the level of the facial skin and oral mucous membranes, which are the doors of entry of the virus. This study will thus make it possible to assess the protective capacity of the protection protocol implemented in investigators' department in this epidemic situation. This will be assessed depending on whether or not aerosolization is used, its type and the nature of the ventilation in the operating room.

Start: October 2021
Sensor Based Vital Signs Monitoring of Covid 19 Patients During Home Isolation

Severe acute respiratory syndrome (SARS) SARS-Cov-2 disease (COVID-19) is an infectious disease caused by a coronavirus. The pandemic first described in Wuhan, China, has since spread across the whole world and caused dramatic strain on health care in many countries. Patients infected with the virus mostly report mild to moderate respiratory symptoms like shortness of breath and coughing, and febrile symptoms. It is of paramount importance to preserve health service capacity by identifying those with serious illness without transferring all infected patients to emergency rooms or Hospitals. In addition, it is important to identify seriously ill patients early enough and before they reach a point of deterioration where they can be extremely challenging to handle in both prehospital and hospital environment. The present study is designed to sample biosensor data from patients treated and observed at home due to mild and moderate SARS-Cov-2 disease. Such a system would be useful, both for the treatment of individual patients as well as for assessing the efficacy and safety of care given to these patients. Investigators intend to improve quality and safety of home care by continuous monitoring and a set of rules for follow-up. Investigators hypothesized that patients and local health system may benefit from the feedback of a simple monitoring system, which detects changes in respiration, temperature and circulation variables in combination with the patient's subjective experiences of care. Patients may be referred to hospitalization earlier. In the present study we will use live continuous and non-continuous biosensor data to monitor the development of vital parameters for Covid 19 patients compared with patients who are not monitored electronically (standard of care).

LillestromStart: April 2020
Efficacy of Intravenous Almitrine in Reducing the Need for Mechanical Ventilation in Patients With Hypoxemic Acute Respiratory Failure Due to Covid-19-related Pneumonia

The COVID-19 outbreak is associated with a surge in ICU bed requirement and substantial mortality (estimated between 0.5% and 1%). Admission in the intensive care unit (ICU) and need for mechanical ventilation is reportedly associated with an estimated hospital mortality of more than 30%. Furthermore, the surge in ICU bed requirement is a worldwide-shared issue, leading to sub-optimal ICU management. In acute respiratory failure due to COVID-19-related pneumonia, vasoplegia with vascular enlargement inside the lung lesions and dilation of small vessels seen on chest CT scan largely account for severe hypoxemia whose physiological response is hyperventilation leading to hypocapnia. Almitrine, initially described to reduce intrapulmonary shunt by enhancement of hypoxic pulmonary vasoconstriction in combination with inhaled nitric oxide (iNO), redistributes pulmonary blood flow from shunt areas to lung units with normal ventilation/perfusion (VA/Q) ratio. Low dose of intravenous almitrine (2 µg.kg-1.min-1) alone also improves oxygenation (without combination with iNO) by selective pulmonary vasoconstriction of precapillary pulmonary arteries perfusing lung areas exposed to a hypoxic challenge with a slight increase in mean arterial pulmonary. Therefore, our hypothesis is that 5 days of low dose of almitrine therapy may improve the ventilation-perfusion (VA/Q) ratio at a relatively early stage of this specific lung disease and limit respiratory worsening and subsequent need for mechanical ventilation.

ParisStart: September 2020