Clinical Research Directory

Retrospective Study of CT Scan Indications in Adult Emergency Departments

The use of CT scans has significantly improved the diagnosis of various pathologies in emergency departments. However, it is also associated with several drawbacks, including high costs and a proven carcinogenic risk to patients, depending on the dose of radiation received. Furthermore, the ecological impact of this imaging modality should not be overlooked, as each CT scan generates approximately 2 kg of CO₂, contributing to global warming. These concerns underscore the importance of ensuring that CT scans are performed only when clinically justified. This context motivated our study: a retrospective, descriptive analysis conducted in the emergency department of Sainte Musse Hospital over a 28-day period in 2024. The selected days are distributed to reflect an equivalent representation of weekdays, weekends, and public holidays, as well as seasonal variations. Our primary objective is to calculate the proportion of CT scans that were appropriately justified. The investigators will assess three key metrics: * The rate of CT scans justified based on official clinical guidelines. * The rate of CT scans justified by a change in patient management. * The rate of CT scans performed at the request of a specialist consulted during the emergency department visit. The ultimate aim of our study is to evaluate the extent of potential overuse of CT scans in the emergency setting and, if applicable, to raise awareness among emergency physicians regarding the importance of balancing clinical benefit against potential risks for the patient.

Comparison Between Triphasic CT Abdomen and EUS-FNB in Characterization of Pancreatic Lesion

evaluate the relationship between triphasic CT and EUS findings and the characterization of pancreatic lesions.

Epilepsy Watch After Vascular Events: Frequency, Outcomes, and Risk Markers

This research aims to determine the frequency of seizures in patients following a stroke, identify risk factors associated with post-stroke seizures, and characterize EEG changes linked to these seizures. Unexplored alterations in the aperiodic component of the EEG in post-stroke patients could potentially serve as novel biological markers for epilepsy after stroke.

Evaluation of CT-XPI

The goal of this clinical trial is to learn if a new computed tomography (CT) lung perfusion imaging method is as effective as standard of care (SOC) CT imaging. The main question it aims to answer is: * Does the new contrast-free method provide more information about lung perfusion than SOC? Participants will undergo a 30 minute chest CT.