NCT06847737

Brief Summary

To compare the incidence of hypotension after spinal anesthesia and the values of perfusion index, pleth variability index, tissue oxygen saturation and tissue hemoglobin index between those who developed hypotension and those who did not develop hypotension over time.

Trial Health

43
At Risk

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Trial has exceeded expected completion date
Enrollment
50

participants targeted

Target at P25-P50 for all trials

Timeline
Completed

Started Mar 2025

Shorter than P25 for all trials

Geographic Reach
1 country

1 active site

Status
not yet recruiting

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

First Submitted

Initial submission to the registry

February 21, 2025

Completed
5 days until next milestone

First Posted

Study publicly available on registry

February 26, 2025

Completed
3 days until next milestone

Study Start

First participant enrolled

March 1, 2025

Completed
3 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

May 30, 2025

Completed
1 month until next milestone

Study Completion

Last participant's last visit for all outcomes

July 1, 2025

Completed
Last Updated

February 26, 2025

Status Verified

February 1, 2025

Enrollment Period

3 months

First QC Date

February 21, 2025

Last Update Submit

February 21, 2025

Conditions

Outcome Measures

Primary Outcomes (2)

  • tissue oxygen saturation

    which indicates an increase in local tissue perfusion

    4 month

  • tissue hemoglobin index

    indicating vasodilation

    4 month

Interventions

perfusion indexDIAGNOSTIC_TEST

To compare the incidence of hypotension after spinal anesthesia and the values of perfusion index, pleth variability index, tissue oxygen saturation and tissue hemoglobin index between those who developed hypotension and those who did not develop hypotension over time.

Also known as: pleth variability index, tissue hemoglobin index, tissue oxygen saturation

Eligibility Criteria

Age18 Years - 45 Years
Sexfemale(Gender-based eligibility)
Gender Eligibility DetailsPregnant women who will have a cesarean section
Healthy VolunteersNo
Age GroupsAdult (18-64)
Sampling MethodProbability Sample
Study Population

Fifty pregnant women over the age of 18 who underwent elective cesarean section, were American Society of Anesthesia I and II, and agreed to participate in the study.

You may qualify if:

  • Those who underwent elective cesarean section over the age of 18,
  • American Society of Anesthesia I and II,
  • Agree to participate in the study,

You may not qualify if:

  • \<18 or \>45 years,
  • preeclampsia,
  • cardiovascular disorders,
  • fetal abnormalities,
  • not undergoing spinal anesthesia or undergoing general anesthesia during surgery,
  • not agreeing to participate in the study

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Istinye Üniversity

Istanbul, Merkez Mahallesi, 34250, Turkey (Türkiye)

Location

Related Publications (3)

  • Ilies C, Kiskalt H, Siedenhans D, Meybohm P, Steinfath M, Bein B, Hanss R. Detection of hypotension during Caesarean section with continuous non-invasive arterial pressure device or intermittent oscillometric arterial pressure measurement. Br J Anaesth. 2012 Sep;109(3):413-9. doi: 10.1093/bja/aes224. Epub 2012 Jul 12.

  • Kuwata S, Suehiro K, Juri T, Tsujimoto S, Mukai A, Tanaka K, Yamada T, Mori T, Nishikawa K. Pleth variability index can predict spinal anaesthesia-induced hypotension in patients undergoing caesarean delivery. Acta Anaesthesiol Scand. 2018 Jan;62(1):75-84. doi: 10.1111/aas.13012. Epub 2017 Oct 16.

  • Duggappa DR, Lokesh M, Dixit A, Paul R, Raghavendra Rao RS, Prabha P. Perfusion index as a predictor of hypotension following spinal anaesthesia in lower segment caesarean section. Indian J Anaesth. 2017 Aug;61(8):649-654. doi: 10.4103/ija.IJA_429_16.

MeSH Terms

Interventions

Perfusion Index

Intervention Hierarchy (Ancestors)

Diagnostic Techniques, CardiovascularDiagnostic Techniques and ProceduresDiagnosis

Central Study Contacts

Study Design

Study Type
observational
Observational Model
CASE CROSSOVER
Time Perspective
PROSPECTIVE
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Assoc. prof

Study Record Dates

First Submitted

February 21, 2025

First Posted

February 26, 2025

Study Start

March 1, 2025

Primary Completion

May 30, 2025

Study Completion

July 1, 2025

Last Updated

February 26, 2025

Record last verified: 2025-02

Data Sharing

IPD Sharing
Will not share

Locations