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Risk Factors for Same Pathogen Sepsis Readmission Following Hospitalization for Septic Shock

Department of Emergency Medicine, University of Ulsan College of Medicine, Asan Medical Center, 88, Olympic-ro 43-gil, Songpa-gu, Seoul 05505, Korea
Author to whom correspondence should be addressed.
J. Clin. Med. 2019, 8(2), 181;
Received: 15 December 2018 / Revised: 30 January 2019 / Accepted: 1 February 2019 / Published: 3 February 2019
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(1) Background: Septic shock survivors frequently readmit because of subsequent infection. This study aimed to determine the rate and risk factors for same pathogen sepsis readmissions following hospitalization for septic shock. (2) Methods: We performed this retrospective study using data from a prospective septic shock registry at a single urban tertiary center. All the patients were treated with a protocol-driven resuscitation bundle therapy between 2011 and 2016. We collected data from adult (older than 18 years) patients readmitted with sepsis within 90 days of discharge following hospitalization for septic shock. (3) Results: Among 2062 septic shock patients, 690 were readmitted within 90 days of discharge. After excluding scheduled and non-sepsis admissions, we analyzed the data from 274 (13.3%) patients readmitted for sepsis. Most of the readmissions following septic shock were new infections rather than relapses of the initial infection. The culture-negative rate was 51.4% (141/274), while the same pathogen was isolated in 25% of cases (69/274). Multivariate analysis revealed that previous gram-negative bacteremia (OR, 9.902; 95% CI, 2.843–34.489), urinary tract infection (OR, 4.331; 95% CI, 1.723–10.882) and same site infection (OR, 6.894; 95% CI, 2.390–19.886) were significantly associated with readmission for sepsis caused by the same pathogen. (4) Conclusions: The sepsis readmission rate following the previous hospitalization for septic shock was 13.3% and one-quarter of those patients had the same pathogen isolated. Previous gram-negative bacteremia, and/or same site infection are predisposing factors for recurrent same-pathogen sepsis. View Full-Text
Keywords: septic shock; hospital readmission; outcomes; risk factors; survivor septic shock; hospital readmission; outcomes; risk factors; survivor

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Kim, J.-S.; Kim, Y.-J.; Ryoo, S.M.; Sohn, C.H.; Ahn, S.; Seo, D.W.; Lim, K.S.; Kim, W.Y. Risk Factors for Same Pathogen Sepsis Readmission Following Hospitalization for Septic Shock. J. Clin. Med. 2019, 8, 181.

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