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Degree of Hyper-Dynamic Circulation Correlates with the Severity of Liver Disease and Predicts Poor Outcome in Spontaneous Bacterial Peritonitis Patients in Intensive Care Unit

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DOI: 10.4236/ojgas.2017.73012    1,077 Downloads   1,364 Views

ABSTRACT

Background: Circulatory dysfunction is known in spontaneous bacterial peritonitis (SBP) patients. We aimed to determine whether degree of hyper-dynamic circulation is significantly correlated with severity of liver disease and poor outcome in these patients or not. Methods: 61 patients diagnosed to have SBP were enrolled. In addition to routine laboratory investigation, Child Pugh and APACHE II scores were calculated for all patients. Degree of renal impairment was defined using Acute Kidney Injury Network (AKIN) criteria. Stroke volume (SV) was measured by M mode and 2-dimensional Doppler echocardiography. Cardiac output (CO) and Systemic vascular resistance (SVR) were also calculated. All data were statistically analyzed. Results: SV, CO, SVR were significantly correlated with Child Pugh score, p value < 0.001, <0.001, and 0.011 respectively. In 46 (75.4%) patients who had AKI, degree of kidney injury using AKIN criteria is significantly correlated with SVR, SV, and CO. Inpatient mortality occurred in 10 (16.4%) patients. Non-survivors had lower SVR and higher SV and CO compared to survivors (1805 ± 105 dyn·sec/cm2, 80.3 ± 11.2 ml, and 6.7 ± 1.1 L/min vs 1936 ± 504, 67.6 ± 12.7, and 5.7 ± 0.9, p value 0.029, 0.005, 0.007 respectively). Using the Receiver Operating Characteristics (ROC) curve, the cut-off value of CO that predicts mortality was 5.89 L/min with sensitivity and specificity measuring 80%, 70.6% respectively. The area under the curve (AUC) is 0.767 with 95% confidence interval (CI) is 0.566 to 0.968, p value 0.008. At this value, the odds ratio (OR) is 7.33 with p value 0.012. Conclusion: Degree of hyper-dynamic circulation is significantly correlated with the severity of liver disease and predicts poor outcome in SBP patients.

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Saleh, M. , Hamdy, A. and Elhalag, M. (2017) Degree of Hyper-Dynamic Circulation Correlates with the Severity of Liver Disease and Predicts Poor Outcome in Spontaneous Bacterial Peritonitis Patients in Intensive Care Unit. Open Journal of Gastroenterology, 7, 105-114. doi: 10.4236/ojgas.2017.73012.

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