Antimicrobial utilization pattern in Systemic Inflammatory Response Syndrome positive septicemia: a prospective study in an apex hospital in South Delhi
Keywords:Antimicrobial, Septicemia, SIRS, Septic shock
Background: Despite significant advances in critical care, mortality and morbidity in severe sepsis and septic shock remain high, this may be explained by the fact that in sepsis bacterial infection triggers the innate immune response, setting in motion a cascade of pro-inflammatory and anti-inflammatory cytokines leading to what we recognize as the systemic inflammatory response syndrome (SIRS). It has been thought that this self-propagating cascade drives the progression to severe sepsis and septic shock with increasing degrees of cellular injury and end-organ dysfunction, therefor early initiation of empirical antimicrobial agent is crucial and life-saving atleast in high risk patient. This study aimed to see the outcome (recover or mortality) of patients diagnosed by using SIRS criteria.
Methods: Total of 105 patients of suspected sepsis fulfilling SIRS criteria (SIRS ≥2), were included in study. Study population were administered appropriate empirical antimicrobial depending on the source of infection and followed till the final outcome (complete recovery or death).
Results: Out of 105 patients included in study based on SIRS criteria, 87 (82.85%) were confirmed to be having septicemia on further evaluation. In majority of patient primary source of infection were respiratory tract (44.76%) and most commonly employed and effective empirical antimicrobial were a combination piperacillin with tazobactum and amikacin (40%). 92.39% patients recovered with empirical antimicrobial, with total in-hospital mortality rate of 7.61%.
Conclusions: Early initiation of appropriate antimicrobial by using SIRS as an indicator for the early diagnosis of septicemia is crucial in the management of septicemia and prevention of development of severe sepsis, septic shock.
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