This observational study aims to investigate the impact of body composition on the absorption, distribution, and metabolism of anesthetic drugs, as well as on the incidence of complications in overweight and obese patients. The primary research question is whether specific body composition parameters in this population influence drug pharmacokinetics and complication rates. By integrating pharmacokinetic parameters, adverse drug reactions (ADRs), and clinical complications, the study will analyze variations in sufentanil kinetics under different body composition conditions. Under the guidance of research personnel, participants will undergo non-invasive body composition assessment using the nBody S10 analyzer. Key metrics collected will include, but are not limited to, mineral content, muscle mass, lean body mass (LBM), total body weight, and body fat percentage (BFP).
Aged 18-65 years with ASA physical status I-III
Participants were divided into a normal control group (18.5 < BMI < 23.9 kg/m²) and an experimental group (BMI > 24 kg/m²)
Voluntary participation with written informed consent approved by the Ethics Committee
No cognitive or verbal communication impairments, with the ability to fully cooperate with the study procedures
1: Severe organ dysfunction, including severe hepatic or renal insufficiency, unstable coronary syndrome, uncontrolled hypertension, and other severe cardiovascular diseases
Eligible participants were adults aged 18 to 65 years with an ASA physical status of I-III and a body mass index (BMI) greater than 24 kg/m², who were scheduled to undergo surgery under general anesthesia.
Cohort
Prospective
Not listed
Plasma Drug Concentration
Determination of plasma sufentanil concentration by mass spectrometry during the perioperative period.
Perioperative Complication Rate
including atelectasis, pneumonia, respiratory failure, reintubation, acute myocardial injury, intra-abdominal infection, reoperation, and death
Fat percentage (%)
Fat percentage will be measured using the InBody S10 bioelectrical impedance analysis system
Weight
Body weight will be measured in kilograms using the InBody S10 body composition analyzer
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