DOI: 10.4103/sjg.sjg_173_26 ISSN: 1319-3767

Impact of ascitic fluid polymorphonuclear cell counts on development of spontaneous bacterial peritonitis in patients with cirrhosis and ascites: A prospective observational study

Sanjeev K. Jha, Saumyaleen Roy, Gourav K. Agarwal, Belal Ashraf, Ravikant Kumar
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Abstract

Background:

Knowledge about clinical implications of non-spontaneous bacterial peritonitis (non-SBP) cirrhotic patients defined by ascitic fluid PMN (A-PMN) counts <250 cells/μL is limited. The aim of this study was to determine the development of SBP in non-SBP cirrhotic patients with high A-PMN counts and compare it with low A-PMN count.

Methods:

In this prospective observational study, cirrhotic patients with ascites were stratified into three categories based on A-PMN counts: 1) SBP group (PMN ≥250 cells/μL, n = 25), 2) Intermediate A-PMN group (I-PMN) (PMN counts: 60–249 cells/μL, n = 50), and 3) Low A-PMN group (L-PMN) (PMN counts ≤60 cells/μL, n = 81). All patients were followed periodically up to 6 months for development of SBP.

Results:

All the demographic profiles of patients including CTP and MELD-Na scores were similar among all the three groups. Eleven patients (44%) in SBP and five patients (10%) in the I-PMN group developed SBP, whereas none of the patients in the L-PMN group developed SBP ( P < 0.001). A-PMN counts ( P = 0.02) were found to be significantly correlated with follow-up development of SBP. APMN counts ≥171 cells/μL predicted the development of SBP with 87.5% sensitivity and 87.9% specificity. The 6 months mortalities in I-PMN and L-PMN groups were comparable. The rehospitalization rate in I-PMN is significantly higher than that in L-PMN.

Conclusion:

Patients of the I-PMN group are associated with a significantly higher rate of development of SBP at month 6 as compared to the L-PMN group.

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