Clinical trials: Preoperative Risk Assessment, open to volunteers
Acute Kidney Injury After Adult Cardiac Surgery, Gastrointestinal Microbiome
Development and Validation of a Risk Prediction Model for Cardiac Surgery-associated Acute Kidney Injury Based on the Gut-Kidney Axis, Incorporating Gut Microbiota and Their Metabolites
This is a single-center prospective observational cohort study enrolling adult patients scheduled for cardiac surgery. Multi-timepoint clinical indicators, stool samples for gut microbiota and metabolomics profiling and artery…
- Conditions
- Acute Kidney Injury After Adult Cardiac Surgery, Gastrointestinal Microbiome, Metabolome, Risk Assessment
- Trial name
- NCT07738796
- Where
- China
- Volunteers
- 182 people
- Sponsor
- Peking Union Medical College Hospital
Preoperative Care
Prospective Validation of an Artificial Intelligence Tool for Pre-Anesthetic Assessment
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.
- Trial name
- NCT07290647
- Testing
- AI-based pre-anesthetic assessment, Anesthesiologist-led pre-anesthetic evaluation
- Where
- Brazil
- Volunteers
- 270 people
- Sponsor
- Hospital Nossa Senhora da Conceicao
Gastric Emptying, Preoperative Risk Assessment
Stomach Processing and Emptying Evaluation With Diet and Ultrasound
Gastric content is a key risk factor for aspiration during anesthesia. Although standard fasting times are recommended, various factors-including GLP-1 receptor agonists,-can delay gastric emptying.
- Conditions
- Gastric Emptying, Preoperative Risk Assessment, Healthy Volunteer Study
- Trial name
- SPEED-US (NCT06988397)
- Testing
- Physical activity after different type of meals
- Where
- Poland
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Medical University of Warsaw
Coagulation Disorder, Blood, Prolonged APTT
External Multicenter Validation of the APTTO Model for Prolonged APTT Using Clot Waveform Analysis
Prolonged activated partial thromboplastin time (APTT) is a frequent laboratory finding that may reflect a broad spectrum of underlying conditions, ranging from benign laboratory abnormalities to clinically relevant hemostatic…
- Trial name
- APTTO-EXT (NCT07418099)
- Testing
- Clot waveform analysis-based risk stratification (APTTO models)
- Where
- 16 sites in Spain
- Volunteers
- 1,500 people
- Sponsor
- Instituto de Investigación Sanitaria de la Fundación Jiménez Díaz
Surgical Risk Assessment, Postoperative Mortality
Preoperative Cardiac Power Output and P-POSSUM Score
This study aims to investigate the relationship between preoperative Cardiac Power Output (CPO), which reflects the pumping capacity of the heart, and the P-POSSUM score, a widely used surgical risk assessment tool, in patients…
- Conditions
- Surgical Risk Assessment, Postoperative Mortality, Postoperative Morbidity
- Trial name
- NCT07454564
- Where
- Turkey (Türkiye)
- Volunteers
- 120 people
- Sponsor
- Necmettin Erbakan University
Prehabilitation, Cardiac Surgery
Feasibility of Physical Prehabilitation for High-Risk Patients Undergoing Cardiac Surgery Via Sternotomy
Rationale Cardiac surgery via median sternotomy carries an elevated risk of postoperative complications and delayed functional recovery.
- Conditions
- Prehabilitation, Cardiac Surgery, Risk Assesment, Aortic Valve
- Trial name
- PREPA-STER (NCT07893184)
- Testing
- Physical Prehabilitation Intervention
- Where
- Netherlands
- Volunteers
- 24 people
- Sponsor
- Maastricht University Medical Center
Cancer Surgery, Prehabilitation
Preoperative Physical Exercise, Nutritional Support, and Psychological Intervention (Multimodal Prehabilitation) to Strengthen Patients' Overall Health and Reduce Postoperative Complications
In this prospective, randomized, controlled trial patients undergoing major gastrointestinal cancer surgery will be exercised (intervention group) 4 weeks before surgery with a high-intensity interval training (HIIT).
- Trial name
- PREHAB (NCT07389746)
- Testing
- Multimodal Prehabilitation
- Where
- Germany
- Volunteers
- 400 people
- Sponsor
- University Hospital of Cologne
Obstructive Sleep Apnea Risk Management, Postoperative Complications
OSA Risk Level in Dental Patients and Correlation With Complications After General Anesthesia
Obstructive sleep apnea (OSA) is a sleep-related respiratory dysfunction. The prevalence of OSA is increasing with the increasing rates of obesity and elderly population worldwide.
- Conditions
- Obstructive Sleep Apnea Risk Management, Postoperative Complications, Dental Caries Under General Anesthesia, Obstructive Sleep Apnea of Adult
- Trial name
- NCT06430957
- Testing
- The STOP-BANG questionnaire for determining OSA risk level., ASA recommended criteria for determining OSA risk level., Record of postoperative complications
- Where
- 2 sites in Turkey (Türkiye)
- Volunteers
- 240 people
- Sponsor
- Kırıkkale University
Spine Degeneration, Lumbar Degenerative Disease
Pre-operative Risk Assessment Combined With Targeted Intervention in the Chinese Elderly With Spine Surgery II
This multicenter, parallel-group, assessor-blinded randomized controlled trial will enroll 248 adults aged ≥75 years with degenerative lumbar spinal diseases scheduled for elective lumbar fusion surgery, and they will be…
- Conditions
- Spine Degeneration, Lumbar Degenerative Disease, Frail Elderly, Enhanced Recovery After Surgery (ERAS) Protocol
- Trial name
- PRACTICE-2 (NCT07396077)
- Testing
- Multimodal physiological reserve optimizing prehabilitation program, Usual Care
- Where
- 4 sites in China
- Volunteers
- 248 people
- Sponsor
- Xuanwu Hospital, Beijing
COPD, Preoperative Risk Assessment
COPD Assessment Test Score and Perioperative Risk in COPD
The goal of this observational cohort study is to evaluate whether the COPD Assessment Test (CAT) score can predict the risk of perioperative respiratory complications in patients aged 40 to 70 years with diagnosed Chronic…
- Trial name
- COPD (NCT07087626)
- Testing
- Arterial Blood Gas Analysis
- Where
- Turkey (Türkiye)
- Volunteers
- 120 people
- Sponsor
- Erzurum City Hospital
Preoperative Evaluation, Anesthesia
Effects of General Health Risk Factors on Prolonged Hospital Stay
According to the literature, a detailed preoperative anesthesia assessment systematically verifies perioperative risks, provides functional and physiological optimization, improves the patient's condition and the perioperative…
- Conditions
- Preoperative Evaluation, Anesthesia, Day Surgery, Life Style
- Trial name
- NCT06810232
- Testing
- Gastrointestinal endoscopy
- Where
- Turkey (Türkiye)
- Volunteers
- 580 people
- Sponsor
- Naime Yalçın
Pulmonary Aspiration During Anaesthetic Induction, Gastric Emptying Time
Gastric Emptying With Metoclopramide in GLP-1 Agonist Patients Undergoing Elective Surgery
This is a multicentre, investigator-blinded, randomised controlled trial evaluating whether the use of oral metoclopramide before surgery can reduce the amount of residual gastric content in patients who are taking glucagon-like…
- Conditions
- Pulmonary Aspiration During Anaesthetic Induction, Gastric Emptying Time, Preoperative Risk Assessment, Obesity (Disorder)
- Trial name
- GEM-GLP1RA (NCT07100691)
- Testing
- Metoclopramide
- Where
- 2 sites in Ireland
- Volunteers
- 80 people
- Sponsor
- Mater Misericordiae University Hospital
Anesthesia, Preoperative Risk Prediction
Large Language Models Versus Anesthesiologists for ASA Physical Status Classification
The American Society of Anesthesiologists Physical Status (ASA-PS) classification is a cornerstone of preoperative risk assessment, yet interrater variability among clinicians is well documented.
- Conditions
- Anesthesia, Preoperative Risk Prediction, Preoperative Risk Assessment
- Trial name
- ASA-LLM (NCT07696221)
- Volunteers
- 350 people
- Sponsor
- Marmara University Pendik Training and Research Hospital
Echocardiography, Hip Fractures
Preoperative Focused Cardiac Ultrasound in Hip Fracture Surgery (PrEcho)
The primary objective of this study is to investigate the impact of preoperative focused transthoracic ultrasound (FOCUS) on intraoperative hypotension and postoperative complications in hip fracture surgery.
- Conditions
- Echocardiography, Hip Fractures, Risk Assessment, Anesthesia
- Trial name
- PrEcho (NCT05862493)
- Testing
- FOCUS echocardiography
- Volunteers
- 100 people
- Sponsor
- Umeå University
Aspiration Risk, Full Stomach Status
Gastric Ultrasound Versus Gastroscopic Aspiration
This is a prospective, single-center observational study conducted at the Fribourg Cantonal Hospital to evaluate the diagnostic performance of preoperative gastric ultrasound in determining gastric content and volume.
- Conditions
- Aspiration Risk, Full Stomach Status, Gastric Content
- Trial name
- GUSGA (NCT07292935)
- Testing
- Gastric Ultrasound
- Where
- Switzerland
- Volunteers
- 1,390 people
- Sponsor
- Hôpital Fribourgeois
Degenerative Spinal Disease, Elderly Patients
Preoperative Risk Evaluation and Per ERAS Intervention in the Chinese Elderly Patients Underwent Spinal Fusion Surgery
This study aims to evaluate the value of preoperative risk factor evaulation combined with perioperative ERAS measures in improving the clinical prognosis of elderly patients undergo the spinal fusion.
- Conditions
- Degenerative Spinal Disease, Elderly Patients, Spinal Fusion Acquired
- Trial name
- NCT06607081
- Testing
- Multidisciplinary Preoperative Risk Evaluation and the Corresponded Pre ERAS intervention
- Where
- 2 sites in China
- Volunteers
- 5,000 people
- Sponsor
- Xijing Hospital
Pulmonary Hypertension (Diagnosis), Pre-operative Assessment
GUARD-PH: Guided Use of AI-ECG for Risk Detection of PH in Surgery (GUARD-PH Trial)
This study is a prospective, open-label, randomized controlled trial designed to evaluate a new artificial intelligence (AI) tool for heart monitoring.
- Conditions
- Pulmonary Hypertension (Diagnosis), Pre-operative Assessment, Postoperative Complications (Cardiopulmonary), Treatment Outcomes
- Trial name
- GUARD-PH (NCT07344207)
- Testing
- Artificial Intelligence-Enabled Electrocardiography System
- Where
- Taiwan
- Volunteers
- 1,380 people
- Sponsor
- Taipei Veterans General Hospital, Taiwan
Hepatic Cancer, Hepatocellular Carcinoma
Preoperative 3D Magnetic Resonance Elastography for Predicting Surgical Risk in Patients Undergoing Hepatectomy
How to accurately and safely evaluate regional liver function before hepatectomy remains an important unsolved problem in the surgical management of hepatocellular carcinoma (HCC).
- Conditions
- Hepatic Cancer, Hepatocellular Carcinoma, Intrahepatic Cholangiocellular Carcinoma, Metastatic Hepatocellular Carcinoma
- Trial name
- NCT07704203
- Testing
- Three-Dimensional Magnetic Resonance Elastography
- Volunteers
- 150 people
- Sponsor
- Second Affiliated Hospital of Xi'an Jiaotong University
Frailty, Frailty in Older Adults
Comparison of Preoperative Frailty Assessment Tools
Frailty is a significant risk factor for postoperative complications and functional decline. Preoperative assessment of frailty is therefore recommended in all older adults.
- Conditions
- Frailty, Frailty in Older Adults, Frailty/Sarcopenia
- Trial name
- PREFAS (NCT06889545)
- Testing
- Assessment of frailty using multiple tools
- Where
- Germany
- Volunteers
- 584 people
- Sponsor
- Universitätsklinikum Hamburg-Eppendorf
Thoracic Cancer, Complication,Postoperative
Variability and Post-op AEs: Does Preoperative CardioPulmonary Variability Assessment Identify Risk of Postoperative Adverse Events Following Thoracic Surgery
Major thoracic surgery is high risk as it carries a significant risk of postoperative Adverse Events (AEs), where patients experience complications and do not recover as expected.
- Trial name
- CPVA (NCT07016022)
- Testing
- CardioPulmonary Variability Assessment
- Where
- Canada
- Volunteers
- 130 people
- Sponsor
- Ottawa Hospital Research Institute