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To study the relation between changes in blood pressure and variation in digital plethysmograph (a machine applied to a digit of the hand or foot to measure skin blood flow) measurement in a patient undergoing major surgery under complete anesthesia.

A Prospective Observational Pilot Study To Determine The Correlation And Agreement Between Arterial Pulse Pressure Variation And Digital Plethysmographic Variability Index In Patients Undergoing Major Surgery Under General Anaesthesia

Status
Recruiting
Phases
Unknown
Study type
Observational
Source
CTRI
Registry ID
CTRI/2017/08/009224
Enrollment
40
Registered
2017-08-02
Start date
Unknown
Completion date
Unknown
Last updated
2021-11-24

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

Conditions

Health Condition 1: null- All patients undergoing major surgery and With an arterial line and requiring some intravenous fluids

Interventions

Intervention1: Digital Plethysmographic Variability Index: Digital Plethysmographic Variability Index measured with Massimo Radical 7 R2-25a© non-invasive continuous haemoglobin monitoring probe Cont

Sponsors

Tata Memorial Hospital
Lead Sponsor

Eligibility

Inclusion criteria

Inclusion criteria: 1.Adult patient age between 18-70 years. 2.ASA Class I-III

Exclusion criteria

Exclusion criteria: 1.Age 2.ASA physical status 4 and above 3.Emergency surgeries 4.Pregnant females 5.Discoloration of nails or inability to obtain reliable plethysmographic signal at baseline

Design outcomes

Primary

MeasureTime frame
Correlation and agreement between Arterial Pulse Pressure Variation And Digital Plethysmographic Variability IndexTimepoint: Pulse pressure variation and Digital Plethysmographic Variability Index will be measured at â?¢Just after insertion of arterial line â?¢prior to incision. â?¢then 30 min, 1 hr, 1.5hr, 2 hr, 2.5hr, 3hrs, 3.5hr, 4hrs after incision intraoperatively â?¢ During operation 5 minutes before and after giving fluid bolus including blood products â?¢prior to extubation—

Secondary

MeasureTime frame
Not anyTimepoint: Not Any—

Countries

India

Contacts

Public ContactDr Prashant Verma

Tata Memorial Center

prashantverma740@gmail.com09977246542

Outcome results

None listed

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