General anesthesia
Conditions
Interventions
Place an oscillometric automated blood pressure cuff on one arm and a VitaWave Finger Cuff on the contralateral hand to continuously measure blood pressure.
Anesthesiologists will manage blood pressur
Sponsors
Hayamizu Kengo
Eligibility
Sex/Gender
All
Inclusion criteria
Inclusion criteria: Patients aged 65 years or older scheduled to undergo general anesthesia for surgery
Exclusion criteria
Exclusion criteria: Patients scheduled for invasive arterial blood pressure monitoring Patients with difficulty in finger cuff placement due to finger abnormalities or deformities Patients with a history of finger injuries, dermatitis, soft tissue damage, or fractures Patients with impaired peripheral circulation, including those with Raynaud's disease Patients with a preoperative difference of 10% or more in blood pressure between the left and right upper arms Patients deemed unsuitable for the study by the principal investigator or co-investigators
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| TWA of MAP < 65 mmHg for 20 minutes following the start of anesthesia | — |
Secondary
| Measure | Time frame |
|---|---|
| Incidence of hypotension (MAP < 65 mmHg) after anesthesia induction, time to detection of hypotension, dosage and frequency of vasopressor use, discomfort during device placement and measurement, and presence of complications. | — |
Contacts
Public ContactKengo Hayamizu
Sapporo Medical University
Outcome results
None listed