Feasibility of Deep Inspiratory Internal Jugular Vein Variability in Guiding Preoperative Fluid Replacement
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In plain language
An automatic summary of structured registry data. It is an orientation aid, not a substitute for the official protocol or a physician assessment.
- What is being studied
- The protocol lists: Guiding rehydration.
- Who it may be relevant to
- Registry conditions: Hemodynamic. Basic parameters: 60 years — 80 years · All.
- What needs checking
- Age, condition and sex are only basic indicators. Prior treatment, laboratory values and other mandatory requirements appear in the eligibility criteria below.
- Where it takes place
- China
- Next step
- Save the trial, show it to the treating physician, and confirm current recruitment with the study center. Costs, documents and travel →
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Official title
Feasibility of Deep Inspiratory Internal Jugular Vein Variability in Guiding Preoperative Fluid Replacement：A Prospective, Randomized Controlled Study
Overview
Compare the incidence of hypotension during the propofol-induced period between the internal jugular vein variability-guided fluid infusion group and the conventional fluid infusion group through a fluid infusion experiment before anesthesia induction, so as to evaluate the feasibility of using the internal jugular vein variability under deep inspiration to guide preoperative fluid infusion.
Detailed description
Ultrasound records at least one quiet breathing cycle and one deep inhalation cycle to calculate IJVV Propofol was infused target-controlled at 4 μg/ml, and changes in arterial blood pressure within 3 minutes of propofol induction were observed.
Plan to conduct a prospective randomized controlled study to compare the incidence of hypotension during the propofol-induced period between the internal jugular vein variability-guided fluid infusion group and the conventional fluid infusion group through a fluid infusion experiment before anesthesia induction.
Interventions
- Behavioral Guiding rehydration
Preoperative fluid rehydration was performed according to 421 fluid rehydration principles
Primary outcome measures
- The incidence of a 20% drop in blood pressure after propofol induction [Time frame: 1 year]
Eligibility criteria
Inclusion criteria
- age over 60 years； American Society of Anesthesiology (ASA) status Ⅱ-Ⅲ； Surgery with radial artery puncture； Propofol induction；
Exclusion criteria
- BMI≥30kg/m2； People with short necks； Previous hypotension (systolic blood pressure <90mmHg or mean arterial pressure<65mmHg)； Previous poorly controlled hypertension； Cardiac insufficiency , EF value<50%； Upper limb deep vein thrombosis； History of radiotherapy or neck surgery； Inability to maintain a supine position for necessary measurements； Mechanical ventilation status or inability to take deep breaths patients； gastrointestinal surgery； Patients allergic to propofol； Restricted fluid intake；
Criteria are shown verbatim from the registry (in English). Final eligibility is always assessed by the study center.
Healthy volunteers: No
Study design
- Allocation
- Randomized
- Model
- Parallel assignment
- Masking
- Single blind
- Primary purpose
- Treatment
Study locations
China · 1 center
- Affiliated Hospital of University — Jiaxing
Publications
- Wei XL, Xi YZ, Xie L, Li ZP, Tang HL, Zhou QH. Effects of liquid resuscitation guided by internal jugular vein variability during deep inhalation on preventing propofol-induced hypotension in elderly patients. BMC Anesthesiol. 2025 Jul 17;25(1):350. doi: 10.1186/s12871-025-03227-3. PMID 40676549
Identifiers
NCT: NCT06641505 · 2024-KY-520