perioperative hypotension
Conditions
Interventions
Group A:Variation of internal jugular vein respiration
Group B:Inferior vena cava collapse index
Sponsors
The Second Affiliated Hospital of Zunyi Medical University
Eligibility
Sex/Gender
All
Age
18 Years to 85 Years
Inclusion criteria
Inclusion criteria: Patients who plan to undergo elective gastrointestinal surgery; >=18 years of age; There is no gender limitation; ASA grade I to III.
Exclusion criteria
Exclusion criteria: History of anaesthesia; Acute upper respiratory tract infection, COPD or asthma attack; Uncontrolled hypertension, unstable angina, heart failure, severe arrhythmia.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| variabilityinternaljugular vein;inferior vena cava collapse index; | — |
Secondary
| Measure | Time frame |
|---|---|
| Time of no drinking and fasting before operation;age;Central venous pressure;Systolic blood pressure;Diastolic blood pressure;Mean arterial pressure;Infusion volume;height;Body weight;gender;Cyclic fluctuation condition;Heart rate;Operation duration;Duration of anesthesia;Degree of blood pressure drop;Pulse oxygen saturation; | — |
Countries
China
Contacts
Public ContactHongying He
The Second Affiliated Hospital of Zunyi Medical University
Outcome results
None listed