Abstract :
Background: Assessment of intravascular volume status is an essential parameter for the diagnosis and management of critically-ill patients. In order to assess the intravascular volume status noninvasively, we conducted a study to to find the correlation, if any, between sonographic IVC collapsibility index and Central Venous Pressure to assess the volume status in ICU patients.
Methods: The Institutional Ethics Committee approval was obtained. 60 spontaneously breathing post-operative patients with a functioning central venous catheter were recruited for this study. The distal port of the catheter was connected to a pressure transducer and the pressure displayed on the monitor in mmHg was noted. Simultaneously the IVC diameters during end inspiration and end expiration were measured in the longitudinal and transverse orientations using the M-mode of the ultrasound machine. The Collapsibility Index was calculated from the IVC diameters. Collapsibility Index? 50% suggested hypovolemia and Collapsibility Index
Keyword :
Ultrasound, IVC diameter, IVC collapsibility index, CVP