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This prospective observational cohort study aims to validate an artificial intelligence (AI) tool designed for pre-anesthetic assessment in Portuguese, tailored to the Brazilian healthcare context. Conducted at a single tertiary hospital, the study will enroll 270 adult patients …

A randomized, single-blind, controlled trial to evaluate the effects of neural therapy on tinnitus severity, disability, and quality of life in patients with tinnitus. The study is planned to be conducted between December 2025 and March 2026. The sample size is 30 patients. The …

This feasibility study aims to develop and test an intervention program for young and middle-aged female breast cancer patients who experience parenting concerns. Eligible participants will receive the tailored support program (including psychological counseling and parenting gui…

The primary aim of this project is to investigate how active screening and the timing of diagnosis affect the long-term health outcomes of patients with celiac disease. Additionally, the study seeks to clarify the natural course of so-called potential celiac disease. A key focus …

This observational, cross-sectional case-control study evaluates obsessive-compulsive symptoms among adults with substance use disorder compared with a demographically similar control group without substance use disorder. Patients aged 18-50 years attending the addiction manageme…

Brief Summary The purpose of this study is to investigate the effect of foot core exercises on jump performance in professional volleyball players. Participants will be randomly assigned to two groups. The first group will perform a strength training program only, while the seco…

The goal of this pilot randomized controlled trial is to compare pain relief efficacy while using nasal packing versus greater palatine foramen block (GPFB) in the management of acute episodes of epistaxis. The main questions it aims to answer are: Does GPFB have less potential t…

This single-center, prospective observational study evaluates the accuracy of transthoracic echocardiography (TTE) to rule out infective endocarditis (IE) in patients with suspected IE, with the goal of reducing unnecessary transesophageal echocardiography (TOE), a more invasive …

Randomized, double-blind, parallel, placebo-controlled clinical trial designed and conducted to evaluate the effect of daily consumption of ginger, on parameters related to inflammation, oxidative stress, and endothelial damage in adults with excess adiposity.

The goal of this clinical trial is to learn if mindfulness meditation can improve closure and emotion towards unresolved memories in an undergraduate student population. This will be tested through a brief, novel intervention called Mindful Recollection, where participants transi…

The goal of this observational study is to better understand the mechanisms of hallucinations in patients with Parkinson's disease. The main question it aims to answer is: Do prior expectations increase the rate of false perceptions during a visual stimulus detection task more i…

Pre-operative biliary drainage (PBD) is a procedure used to relieve bile duct obstruction, a common issue in patients with pancreatic cancer. The obstruction occurs when a tumor blocks the bile duct, leading to jaundice and other complications. While PBD can help resolve jaundice…

Ankle arthroscopy is increasingly performed as a day-case procedure, making rapid recovery and efficient discharge critical. Anesthetic technique substantially influences postoperative recovery, yet high-quality evidence comparing anesthetic strategies in ankle arthroscopy is lim…

Early extubation in ICU patients is crucial for reducing complications of prolonged ventilation, including morbidity and mortality. The Rapid Shallow Breathing Index (RSBI) is a widely used predictor for weaning patients from mechanical ventilation. This study aims to determine t…

To evaluate the prognostic value of inflammatory markers; specifically neutrophil-to-lymphocyte ratio (NLR), platelet-to-lymphocyte ratio (PLR), prognostic nutritional index (PNI), and systemic inflammation immune index (SII) in predicting the severity and outcomes of patients wi…

This study aims to compare two commonly used regional anesthesia techniques for shoulder arthroscopy: the ultrasound-guided interscalene block and the combined interscalene-suprascapular nerve block. Both techniques are routinely performed to reduce pain during and after shoulder…

This randomized controlled trial evaluates the effect of ultrasound-guided iPACK block with Adductor Canal Block (ACB) on the Systemic Immune-Inflammation Index (SII) in elderly patients undergoing total hip arthroplasty under spinal anesthesia. SII, calculated as platelet × neut…

This randomized controlled trial aims to evaluate the effectiveness of a mobile wellness application, both alone and in combination with a wearable fitness tracker, for supporting weight management, physical activity, and mental well-being. Adults with a body mass index (BMI) ≥25…

The goal of this observational study, is to improve the diagnostic assessment method of malnutrition and kidney diseases, amongst hospitalized and low priority patients, by evaluating modern methodology and biomarkers, with regards to an estimate of the nutritional status and kid…

The purpose of this research study is to evaluate the effects of trehalose, an ingredient found in commercially available artificial tears, on the corneal barrier function. The investigators will assess corneal dryness and measure the relative corneal epithelial "barrier" functio…