BACKGROUND: Assessment of intravascular volume status is an essential parameter for the diagnosis and management of critically-ill patients. Generally, central venous pressure (CVP), which is an invasive measure, has been recommended for this purpose. Since CVP has been associated with many complications, inferior vena cava diameter and collapsibility index (IVC-CI) were used in the present study to evaluate the intravascular volume status of critically-ill patients at Rajavithi Hospital. OBJECTIVE: To conduct a prospective, cross-sectional study to evaluate the IVC diameter as a guidance for estimating the volume status in critically-ill patients by bedside ultrasonography, focusing on correlations between CVP and lVC-Cl and lVC diameter MATERIAL AND METHOD: Critically-ill patients who had been placed with a functioning central venous catheter were prospectively enrolled. Evaluation of intravascular volume status was performed by bedside ultrasonography to measure the IVC diameters (IVCD), both end-inspiratory (iIVCD) and end-expiratory (eIVCD). The IVC collapsibility indices (IVC-CI) were calculated by an equation and then were compared with the CVP values. RESULTS: Of the 70 enrolled patients, with a mean age of 63.8 +/- 1.9 years, 64.3% were intubated. The most common indication of ICU admission was sepsis with hemodynamic instability (80.0%). The volume status of patients was stratified by their CVP levels as hypovolemic 15.7%, euvolemic 32.9% and hypervolemic 51.4% which correspond with the IVC-CI of 45.69 +/- 16.16%, 31.23 +/- 16.77%, and 17.82 +/- 12.36% respectively (p < 0.001). The highest significant correlation was found between the CVP and IVC-CI (r = -0.612, p < 0.001). In addition, there was a significant correlation between CVP and iIVCD (r = 0.535, p < 0.001); and between the CVP and mean IVCD (r = 0.397, p = 0.001). CONCLUSION: The present study supported the correlation between CVP and IVC-CI. The authors conclude that the IVC-CI can provide a useful guide for noninvasive intravascular volume status assessment of critically-ill patients.
BACKGROUND: Assessment of intravascular volume status is an essential parameter for the diagnosis and management of critically-illpatients. Generally, central venous pressure (CVP), which is an invasive measure, has been recommended for this purpose. Since CVP has been associated with many complications, inferior vena cava diameter and collapsibility index (IVC-CI) were used in the present study to evaluate the intravascular volume status of critically-illpatients at Rajavithi Hospital. OBJECTIVE: To conduct a prospective, cross-sectional study to evaluate the IVC diameter as a guidance for estimating the volume status in critically-illpatients by bedside ultrasonography, focusing on correlations between CVP and lVC-Cl and lVC diameter MATERIAL AND METHOD:Critically-illpatients who had been placed with a functioning central venous catheter were prospectively enrolled. Evaluation of intravascular volume status was performed by bedside ultrasonography to measure the IVC diameters (IVCD), both end-inspiratory (iIVCD) and end-expiratory (eIVCD). The IVC collapsibility indices (IVC-CI) were calculated by an equation and then were compared with the CVP values. RESULTS: Of the 70 enrolled patients, with a mean age of 63.8 +/- 1.9 years, 64.3% were intubated. The most common indication of ICU admission was sepsis with hemodynamic instability (80.0%). The volume status of patients was stratified by their CVP levels as hypovolemic 15.7%, euvolemic 32.9% and hypervolemic 51.4% which correspond with the IVC-CI of 45.69 +/- 16.16%, 31.23 +/- 16.77%, and 17.82 +/- 12.36% respectively (p < 0.001). The highest significant correlation was found between the CVP and IVC-CI (r = -0.612, p < 0.001). In addition, there was a significant correlation between CVP and iIVCD (r = 0.535, p < 0.001); and between the CVP and mean IVCD (r = 0.397, p = 0.001). CONCLUSION: The present study supported the correlation between CVP and IVC-CI. The authors conclude that the IVC-CI can provide a useful guide for noninvasive intravascular volume status assessment of critically-illpatients.
Authors: N Kelly; R Esteve; T J Papadimos; R P Sharpe; S A Keeney; R DeQuevedo; M Portner; D P Bahner; S P Stawicki Journal: Eur J Trauma Emerg Surg Date: 2015-01-08 Impact factor: 3.693
Authors: Alicia Laborda; Sergio Sierre; Mauro Malvè; Ignacio De Blas; Ignatios Ioakeim; William T Kuo; Miguel Angel De Gregorio Journal: World J Radiol Date: 2014-10-28
Authors: Stanislaw P Stawicki; Alistair Kent; Prabhav Patil; Christian Jones; Jill C Stoltzfus; Amar Vira; Nicholas Kelly; Andrew N Springer; Daniel Vazquez; David C Evans; Thomas J Papadimos; David P Bahner Journal: Int J Crit Illn Inj Sci Date: 2015 Apr-Jun