Usefulness of second derivative of photoplethysmography for estimating blood pressure decrease during spinal anesthesia

Usefulness of second derivative of photoplethysmography for estimating blood pressure decrease during spinal anesthesia - Usefulness of second derivative of photoplethysmography for estimating blood pressure decrease during spinal anesthesia

Status

Active, not recruiting

Phases

Unknown

Study type

Observational

Source

JPRN

Registry ID

JPRN-UMIN000037628

Enrollment

250

Registered

2019-08-09

Start date

2016-12-08

Completion date

Unknown

Last updated

2026-06-29

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Patients undergoing transurethral resection of the bladder tumor under spinal anesthesia

Interventions

None listed

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1. Patients who had transurethral resection of the bladder tumor under spinal anesthesia 2. Patients who had spinal anesthesia with hyperbaric bupivacaine

Exclusion criteria

Exclusion criteria: Cases without key inclusion criteria

Design outcomes

Primary

Measure	Time frame
The sensitivity and specificity of second derivative of photoplethysmography for estimating blood pressure decrease during spinal anesthesia.	—

Countries

Japan

Contacts

Public ContactMakiko Yamada

Gunma University Hospital Oncology Center

mkhardyyamada@gunma-u.ac.jp027-220-7927

Outcome results