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We are studying pregnant women having planned caesarean sections under spinal anaesthesia. Using a finger-clip to measure blood flow, we aim to predict and treat low blood pressure early, making surgery safer and more comfortable.

Perfusion Index and Pleth Variability Index as Non-Invasive Predictors of Hypotension Following Spinal Anaesthesia in Lower Segment Caesarean Section: A Prospective Observational Study - Nil

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
CTRI
Registry ID
CTRI/2025/08/092848
Enrollment
132
Registered
2025-08-12
Start date
Unknown
Completion date
Unknown
Last updated
2025-08-18

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

Conditions

Health Condition 1: O746- Other complications of spinal andepidural anesthesia during labor and delivery

Interventions

Intervention1: Nil: Nil Intervention2: Nil: Nil Intervention3: Nil: Nil Intervention4: Nil: Nil Intervention5: Nil: Nil

Sponsors

Dr Subasri
Lead Sponsor

Eligibility

Inclusion criteria

Inclusion criteria: Parturients posted for elective caesarean section under spinal anesthesia. Age group 20-40 years. Belongs to ASA class II and III (American society of Anaesthesiologists)

Exclusion criteria

Exclusion criteria: contraindication to spinal anaesthesia class II obese cerebrovascular disease peripheral vascular disease cardiovascular disease

Design outcomes

Primary

MeasureTime frame
Quantify the incidence of hypotension following spinal anaesthesia in parturients undergoing LSCS. Identify baseline PI and PVI values associated with post spinal hypotension. Establish cutoff values of PI and PVI for predicting hypotension with good sensitivity and specificity. Enable early detection of high risk patients prone for post-spinal hypotension using non-invasive pulse oximetry. Timepoint: Baseline immediately after the procedure as 0 minute,then at 1minute 3minutes6 minutes 9 minutes 12 minutes 15 minutes 25 minutes 35 minutes 45 minutes—

Secondary

MeasureTime frame
Improve maternal & fetal outcomes by guiding individualized preventive interventions. Support the use of PI & PVI as practical ,bedside clinical tool in obstetric anaesthesia. Timepoint: Baseline immediately after the procedure as 0 minute,then at 1minute 3minutes6 minutes 9 minutes 12 minutes 15 minutes 25 minutes 35 minutes 45 minutes—

Countries

India

Contacts

Public ContactDrChandraleela MD
drchanduz@gmail.com9176529672

Outcome results

None listed

Source: CTRI (via WHO ICTRP) · Data processed: Feb 4, 2026