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NCT07345403
The goal of this observational cohort study is to prove whether genetic, epigenetic, transcriptomic, proteomic, metabolomic, imaging, voice, and clinical markers can improve prediction of early complications after cardiac surgery in adult patients. The main questions it aims to answer are: Which biological and clinical markers are associated with: new-onset atrial fibrillation (NOAF), acute kidney injury (AKI), postoperative delirium (POD), vasoplegia, postoperative bleeding and 30-day mortality? Can combining these markers improve early prediction of postoperative complications compared with current clinical risk scores? Researchers will analyze a wide range of data collected before, during, and after cardiac surgery and compare patients who develop early complications with those who do not to identify risk factors and early biomarkers. Participants will: Provide biological samples (blood, urine, stool) before and after surgery for genetic, epigenetic, transcriptomic, proteomic, metabolomic, microbiome, and laboratory testing. Undergo standard preoperative and intraoperative imaging and clinical assessments. Allow collection of clinical data related to postoperative outcomes (For some participants) have voice and video recordings performed to help identify early signs of postoperative delirium. This study aims to improve early detection of postoperative complications and support development of personalized diagnostic and treatment strategies for patients undergoing cardiac surgery.
NCT07322744
Both frailty and a reduced preoperative lymphocyte-to-monocyte ratio (LMR) are known risk factors for postoperative delirium (POD). However, whether the relationship between LMR and POD varies by frailty status remains unclear. This study aimed to evaluate the frailty-stratified association between preoperative LMR and POD in older surgical patients.
NCT06869876
ORTOPOD PILOT STUDY is a non-randomized, non-interventional clinical study that addresses the issue of perioperative neurocognitive disorder (deterioration of cognitive functions in the preoperative and perioperative period) and its impact on the occurrence of postoperative delirium. Respondents meeting the entry criteria will undergo elective orthopaedic surgery (total hip arthroplasty) under general or regional anaesthesia.
NCT06752421
This study aims to evaluate the effect of low tidal volume (LTV) ventilation during cardiopulmonary bypass (CPB) on postoperative delirium. It is hypothesized that the risk of delirium, which negatively impacts recovery following cardiac surgeries, can be reduced by improving cerebral perfusion and oxygenation through LTV. The study is designed as a prospective, randomized, controlled trial comparing delirium incidence, ICU stay duration, and 30-day mortality/morbidity rates between LTV and apnea groups. Primary outcomes will be assessed using the 3D-CAM method, while secondary outcomes include ICU stay duration and mortality/morbidity rates.
NCT06844201
This retrospective study aims to investigate the effects of norepinephrine compared to ephedrine, administered on the day of surgery, on the incidence of postoperative delirium.