Intraoperative hypotension (IOH)
Conditions
Interventions
Sponsors
Peking Union Medical College Hospital
Eligibility
Sex/Gender
All
Age
65 Years to No maximum
Inclusion criteria
Inclusion criteria: 1.Model training phase: PUMCH retrospective cohort, January 1, 2013 to December 31, 2025. External validation phase: VitalDB database, August 2016 to June 2017. Prospective validation phase: PUMCH prospective cohort, January 1, 2026 to December 31, 2026. 2.Age >= 65 years. 3.General anesthesia.
Exclusion criteria
Exclusion criteria: 1.Surgeries requiring circulatory arrest, such as cardiac surgery, major vascular surgery, and other related procedures. 2.Procedures without airway-device-assisted mechanical ventilation, including laryngeal mask airway, endotracheal intubation, or tracheostomy, such as painless gastrointestinal endoscopy. 3.Patients with a definite preoperative diagnosis of hypotension, or with baseline SBP <90 mmHg or MAP <65 mmHg before induction. 4.Patients with more than 20% missing feature data.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Intraoperative hypotension (IOH);Post-induction hypotension (PIH);Intraoperative cardiac arrest (IOCA); | — |
Countries
China
Contacts
Public ContactLe Shen
Peking Union Medical College Hospital
Outcome results
None listed