CompletedNot Applicable

End-tidal Carbon Dioxide as a Non-invasive Predictor for Changes in Cardiac Output in Non-cardiac Surgery

Egypt105 participantsStarted 2025-06-01

Plain-language summary

Cardiac output (CO) is challenging to measure at the bedside. The traditional gold standard for measuring CO requires the insertion of a pulmonary artery catheter which is invasive, associated with a risk for serious complications \[3\],with no clinical benefits. The cerebral blood flow (CBF) is considered to be a proportion of total cardiac output (CO). It has been stated earlier that approximately 15% of resting CO is distributed to the brain. Therefore, the flow through the CCA might serve as a surrogate parameter for CO.

Who can participate

Age range18 Years – 55 Years

SexALL

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Inclusion Criteria: * The patients age will be ranged from 18-55 years, * ASA physical status I-II, * General surgeries not involving the head and neck * Orthopedic surgeries involving the lower limb * Patients in supine posture Exclusion Criteria: * Those with Respiratory disease including but not limited to Pneumonia, COPD, Restrictive lung disease and ARDS * Those with anemia. * Patients' refusal to participate in the study. * Thoracic surgeries. * Morbidly obese patients. * Significant carotid artery disease. * Surgeries of less than 2-hour duration.

What they're measuring

correlation of ETCO2

Timeframe: during operation

Trial details

NCT IDNCT06962748

SponsorAin Shams University

Sponsor typeOTHER

Study typeINTERVENTIONAL

Primary completion2025-12-01

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