Clinical trials: Preoperative Risk Prediction
Organic Obstructive Sleep Apnea (Diagnosis), Questionnaire
Comparison of Four Questionnaires for OSA Screening in China
Background: Obstructive sleep apnea (OSA) refers to the apnea and hypopnea caused by upper airway obstruction during sleep. Patients are associated with sleep disorders, frequent desaturation, hypertension, coronary heart…
- Conditions
- Organic Obstructive Sleep Apnea (Diagnosis), Questionnaire, Chiari Malformation
- Trial name
- COQ (NCT03074747)
- Testing
- questionnaires
- Volunteers
- 1,200 people
- Sponsor
- Beijing Tongren Hospital
Hip Fractures, Albumin
Evaluation of Relationship Between Preoperative Fibrinogen/Albumin Ratio and Morbidity After Hip Fracture Operations
Due to the aging of populations, hip fracture operations are increasing from year to year. This operations have many complications also high morbidity and the mortality.
- Conditions
- Hip Fractures, Albumin, Fibrinogen, Scoring Systems
- Trial name
- NCT05272072
- Where
- Turkey (Türkiye)
- Volunteers
- 108 people
- Sponsor
- Istanbul University
Kidney Calculi, Urinary Tract Infections
Do Dynamic Urinary Leukocyte and Nitrite Changes Improve Risk Prediction for Infectious Complications Following PCNL?
Background Percutaneous nephrolithotomy (PCNL) is widely recognized as the primary surgical approach for managing sizable and anatomically complex kidney stones., yet postoperative infection-related complications remain common…
- Conditions
- Kidney Calculi, Urinary Tract Infections, Sepsis
- Trial name
- NCT07238673
- Where
- China
- Volunteers
- 346 people
- Sponsor
- The First Affiliated Hospital of Guangzhou Medical University
MRI, Liver Resection
May the Risk of PHLF be Predicted With Preoperative Liver Gadoxetate MRI
Post hepatectomy liver failure (PHLF) is one of the most severe complications after liver re-section. Preoperative evaluation of liver function is complicated and imprecise.
- Conditions
- MRI, Liver Resection, Liver Failure as A Complication of Care
- Trial name
- MR-Predict (NCT04692259)
- Testing
- MRI
- Where
- 7 sites in Denmark, Finland and 2 more
- Volunteers
- 200 people
- Sponsor
- University Hospital, Linkoeping
Pituitary Adenoma
Pre-operative Surgical Difficulty Stratification Using Predicted Tumor Perfusion and Consistency
Pituitary adenomas (PAs) are among the most prevalent lesions of the sella turcica, accounting for 10%-25% of all intracranial neoplasms. Pituitary macroadenomas (PMAs) are defined with a maximum diameter of over 1 cm.
- Trial name
- NCT06664190
- Testing
- Advanced sequences, such as arterial spin labeling (ASL) and diffusion-weighted imaging (DWI)
- Where
- China
- Volunteers
- 200 people
- Sponsor
- Huashan Hospital
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
Postoperative Care
Evaluation of ChatGPT-5 and Anesthesiologist Predictions of Postoperative Intensive Care Unit Admission Using Preoperative Clinical Data
Accurate prediction of postoperative intensive care unit (ICU) requirement is essential for patient safety and efficient use of limited ICU resources.
- Trial name
- NCT07395791
- Testing
- No intervention (observational study)
- Where
- Turkey (Türkiye)
- Volunteers
- 938 people
- Sponsor
- Beste Mutlu Dağlıoğlu
Postoperative Intensive Care Unit Admission, Perioperative Risk Assessment
Pilot Study of Anesthesiologists' Preoperative Prediction of Postoperative Intensive Care Unit Admission
This prospective observational pilot study will evaluate how accurately anesthesiologists can predict, before a procedure, whether an adult patient will require admission to an intensive care unit (İCU) after surgery or an…
- Trial name
- NCT07780526
- Testing
- Preoperative Clinical Prediction of Postoperative ICU Admission
- Where
- Turkey (Türkiye)
- Volunteers
- 114 people
- Sponsor
- Van Training and Research Hospital
Artifical Intelligence, Preoperative Evaluation
AI vs. Anesthesiologists in Preoperative Triage
Accurate preoperative risk stratification is essential for perioperative planning, resource allocation, and patient safety. The American Society of Anesthesiologists Physical Status (ASA-PS) classification remains the most widely…
- Trial name
- ASA (NCT07459491)
- Testing
- No intervention (observational study)
- Where
- Turkey (Türkiye)
- Volunteers
- 703 people
- Sponsor
- Damla Kaytancı Özçelik
Pre-operative, High-risk Patient
Practice Variation in Preoperative Multidisciplinary Team Discussions
Preoperative multidisciplinary team (MDT)discussions are recommended by national and international guidelines. However, no guidance is given on how to organise and execute an MDT discussion.
- Conditions
- Pre-operative, High-risk Patient, Frailty
- Trial name
- NCT05305053
- Testing
- preoperative MDT discussion
- Where
- 9 sites in Netherlands
- Volunteers
- 225 people
- Sponsor
- Rijnstate Hospital
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
Acute Kidney Injury
Preoperative Prediction of Acute Kidney Injury After Cardiac Surgery
Although acute kidney injury (AKI) frequently complicates cardiac surgery, methods to determine AKI risk are lacking. Renal functional reserve (RFR), the capacity of the intact nephron mass to increase glomerular filtration rate…
- Trial name
- RFR (NCT03092947)
- Testing
- No intervention
- Volunteers
- 110 people
- Sponsor
- University of Giessen
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
Risk Malignant Index
Risk of Malignancy Index and Assiut Scoring Model for Adnexal Malignancy
The presence of an adnexal mass is a frequent reason for a woman to be referred to a gynaecologist. The discrimination between benign and malignant adnexal masses is central to decisions regarding clinical management and surgical…
- Trial name
- NCT03404687
- Testing
- ultrasound, cancer antigen 125 level, Doppler
- Where
- Egypt
- Volunteers
- 250 people
- Sponsor
- Assiut University
Pediatric Surgical Patients
Evaluation of Preoperative Risk Factors in Children
This study aimed to evaluate preoperative risk factors in pediatric patients and to determine their effectiveness in predicting intensive care unit admission within 72 hours.
- Trial name
- NCT05852899
- Where
- Turkey (Türkiye)
- Volunteers
- 326 people
- Sponsor
- Istanbul University - Cerrahpasa
Heart Failure, Coronary Artery Disease
The Usefulness of Growth Differentiation Factor 15 (GDF-15) for Risk Stratification in Cardiac Surgery
Growth determination factor 15 (GDF-15) and high sensitive troponin-t (hsTnT) are emerging humoral markers for risk stratification in clinically stable heart failure patients and in patients with stable coronary artery disease.
- Trial name
- NCT01166360
- Where
- Germany
- Volunteers
- 2,000 people
- Sponsor
- University of Luebeck
Colorectal Cancer
Development and Validation of a Risk Prediction Model for Preoperative Frailty in Elderly Patients With Colorectal Cancer
Fried Scale and its related scales were used to analyze the status and risk factors of preoperative frailty in elderly patients with colorectal cancer.
- Trial name
- NCT05879861
- Where
- China
- Volunteers
- 364 people
- Sponsor
- Zunyi Medical College
Patients With Adnexal Mass Prior to Surgery
Prospective Validation and Comparison of Different Ultrasound Methods for Discrimination Between Benign and Malignant Ovarian/Tubal Masses Prior to Surgery
The ability of different methods to discriminate between benign and malignant adnexal masses has been compared in a meta-analysis showing that the IOTA Simple Rules and the IOTA logistic regression model LR2 were superior to RMI…
- Trial name
- IOTA7 (NCT02847832)
- Testing
- Standardized transvaginal ultrasound examination
- Where
- Belgium
- Volunteers
- 1,700 people
- Sponsor
- KU Leuven
Serious Complications Following Liver Resection
Novel Preoperative Score Predicting Outcome Following Liver Resection
To develop and validate a score to predict serious complications following liver resection using pre-operative risk factors.
- Trial name
- NCT01003197
- Where
- Switzerland
- Sponsor
- University of Zurich
Surgery, Death
Risk Calculators Validation for Elective Major General Surgery
Nowadays, over 300 million surgical operations take place every year worldwide, which increase at a rate of 33.6% comparing data from 2005 to 2013.
- Trial name
- RCVEMG (NCT04041076)
- Testing
- Major surgical operation
- Where
- Hong Kong
- Volunteers
- 5,000 people
- Sponsor
- Chinese University of Hong Kong