Abdulkadir YEKTAŞ, Cem Kıvılcım KAÇAR, Mustafa BIÇAK, Sedat KAYA, Deniz KANDEMİR, Osman UZUNDERE

Evaluation of the relationship of Delta-CO2 with IVC-CI, IJV-CI, and CVP values in intubated critically ill patients with spontaneous breathing, and who were applied invasive mechanical ventilation in CPAP mode

Aim: Our aim in this study is to understand whether there is a correlation between IVC-CI, IJV-CI, CVP, and Delta-CO2 values in critical patients in the ICU and whether these values can be used interchangeably in monitoring intravascular fluid status.. Materials and Methods: Patients included in this study were selected from critical ICU patients between 18-90 years old with an unknown hypovolemic status that had spontaneous breathing and underwent invasive mechanical ventilation in CPAP mode. Patients’ parameters were consecutively measured by USG with the inferior vena cava collapsibility index (IVC-CI), internal jugular vein collapsibility index (IJV-CI), CVP, and Delta-CO2. The results were recorded, and any correlations were checked. Results: There was a statistically significant and moderately negative correlation (r = -0.428, p

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