Found 1426 clinical trials
Evaluation of the Quality of Preoperative Information Obtained Through Preanestes@s a Web Based Application
In this prospective and paired study, the investigators evaluate whether the preoperative information recorded through a web based questionnaire together with a virtual non face to face patient assessment based on the information recorded by the questionnaire and the electronic records of patients is of a comparable quality to that …
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- 16 Feb, 2024
- 1 location
PHenotyping patiENts Admitted to Hospital With cOvid-19 Infection and idenTifYing Prognostic markErs
PHENOTYPE is an investigator-led, observational cohort study which aims to explore the long-term outcomes of patients with COVID-19 infection and to identify potential risk factors and biomarkers that can prognosticate disease severity and trajectory.
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- 05 Aug, 2020
Risk Literacy Among Portuguese Medical and Dentistry Students
This study is an online survey to assess risk literacy among students of the medical and dentistry faculties in Portugal. Risk literacy is the capability to understand and interpret statistical information, based on simple rules of thumb. The investigators assess the level of "medical risk literacy" among Portuguese medical and …
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- 16 Feb, 2024
- 1 location
Heart Attack Research Program- Imaging Study (HARP)
The HARP study is a multi-center, diagnostic observational study employing standardized imaging protocols in patients with MINOCA (MI with Non Obstructive Coronary Arteries) to determine the underlying diagnosis in each participant. Participants will be followed for recurrent clinical events, every 6 months, for a maximum of 10 years.
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- 12 Sep, 2025
Aneurysm Diameter and Surgical Outcome
Aneurysm diameter is an important risk for rupture and related death in affected patients. This study will evaluate whether aneurysms size may even influence post procedural outcomes both in open surgical repair and in end-vascular aneurysm repair. We will retrospectively review clinical data of operated patients with abdominal aortic aneurysm. …
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- 05 Aug, 2020
Echocardiographic Predictors of Atrial Fibrillation
This prospective study aims to identify the diagnostic accuracy of echocardiographic predictors of atrial fibrillation in patients with ESUS (embolic stroke of undetermined source) or TIA (transient ischemic attack).
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- 19 Sep, 2021
- 1 location
Clinical Manifestations and Biomarkers in Amyotrophic Lateral Sclerosis Type 4 and Other Inherited Neurological Disorders of RNA Processing
Background Amyotrophic lateral sclerosis type 4 (ALS4) is an inherited motor neuron disease. People with ALS4 have a change in the amount of RNA and DNA that bind together. This binding of RNA with DNA forms units called R-loops. Researchers want to learn how R-loops are related to ALS4. To …
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- 16 Feb, 2024
- 1 location
Efficacy of Narrow Band Spectrum Endoscopy for the Diagnosis of Gastric Antral Vascular Ectasia in Patients With Liver Cirrhosis
the study aims to evaluate the role of similar technology of Narrow Band Imaging VIST video intelligent staining technology in the diagnosis of Gastric Antral Vascular ectasia in cirrhotic patients
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- 16 Feb, 2024
- 1 location
Validation of a Novel Cortical Biomarker Signature for Pain
The study aims to undertake analytical validation of an brain biomarker in healthy participants experiencing a model of sustained temporomandibular pain. The biomarker could detect participants at greater risk of developing more severe pain.
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- 16 Feb, 2024
- 2 locations
Characteristics and Outcomes of Patients With COVID-19 Admitted to the ICU
This is a case series of patients with COVID-19 admitted to the largest university hospital in Sao Paulo, Brazil, during the 2020 COVID-19 pandemic. Data will be collected prospectively and retrospectively. The main objective is to describe the characteristics of critically ill patients with COVID-19 and their clinical outcomes, and …
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- 01 Feb, 2023
- 1 location