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Pv-aCO₂ Gap-Guided Resuscitation in Adult Polytrauma Patients: A Prospective Randomized Controlled Trial
Sponsor: Pakistan Institute of Medical Sciences
Summary
dult patients with multiple traumatic injuries admitted to the ICU from the operating room, emergency department, or hospital wards who meet the study criteria will be included after obtaining informed consent from the patient or their legal guardian. Participants will be randomly divided into two groups: one group will receive treatment guided by the difference between carbon dioxide levels in venous and arterial blood, while the other group will receive treatment based on standard resuscitation parameters commonly used in critical care. As part of routine monitoring, all patients will have a central venous catheter and an arterial line inserted to measure blood parameters. Blood samples from both lines will be taken shortly after ICU admission and at regular intervals during the first three days. These samples will be analyzed using a bedside blood gas machine, and the results will be compared between the two groups to determine whether monitoring the difference in carbon dioxide levels between venous and arterial blood improves patient outcomes compared with standard care.
Official title: Evaluation of Effect of Pv-aCO2-Gap on Clinical Outcomes With Standard Resuscitation End-points in Adult Poly-trauma Patients Admitted to the ICU --- Prospective Randomized Control Trial
Key Details
Gender
All
Age Range
18 Years - 70 Years
Study Type
INTERVENTIONAL
Enrollment
60
Start Date
2026-03-16
Completion Date
2026-06-16
Last Updated
2026-03-18
Healthy Volunteers
No
Conditions
Interventions
Veno-arterial Carbondioxide gap
Arterial and central venous blood samples will be obtained for blood gas analysis using a point-of-care blood gas analyzer (ABL800 FLEX®, Radiometer). Sampling will be performed within 1 hour of ICU admission and subsequently at 6, 12, 24, 48, and 72 hours during the ICU stay. The measurements will be used to assess arterial and venous blood gas parameters for monitoring and guiding patient management.
Conventional resuscitation end points
Patients in this group will be managed using standard resuscitation parameters, including monitoring of arterial base deficit, arterial pH, serum lactate levels, and bicarbonate levels. These parameters will be measured through arterial blood gas analysis within 1 hour of admission to the ICU and subsequently at 6, 12, 24, 48, and 72 hours during the ICU stay, and will be used to guide ongoing resuscitation and clinical management.
Locations (1)
Department of Anesthesia, Pakistan Institute of Medical Sciences
Islamabad, Federal, Pakistan