Kai Siang Chan1, Vishal G Shelat2. 1. Department of General Surgery, Tan Tock Seng Hospital, 11 Jalan Tan Tock Seng, Singapore, 308433, Singapore. 2. Department of General Surgery, Tan Tock Seng Hospital, 11 Jalan Tan Tock Seng, Singapore, 308433, Singapore. vishal_g_shelat@ttsh.com.sg.
Abstract
BACKGROUND: Acute cholangitis (AC) is a potentially life-threatening infection involving the biliary system. The two commonest bacteria involved are Escherichia coli (EC) followed by Klebsiella pneumoniae (KP). Microbiology is a prognostic factor for several pathologies but not for AC. We aim to investigate clinical outcomes between KP bacteremia vs. EC bacteremia in AC. METHODS: This is a retrospective cohort study of patients diagnosed with calculous AC (January-December 2016). Study outcomes include the length of hospitalization stay, in-hospital mortality, 30-day, and 90-day mortality. Univariate and multivariate logistic regression was used to establish correlations. RESULTS: We included 141 patients (KP (n = 29), EC (n = 112)) with overall median age of 82.2 and similar gender distribution. Most patients had Grade II AC (n = 59, 41.8%). Patient demographics were comparable. KP bacteremia had lower median platelet count (KP:168 × 109/L vs. EC:200 × 109/L; p = 0.025). Overall 30-day and 90-day mortality were 9.2 and 10.6%, respectively. Multivariate analysis showed KP bacteremia had higher 30-day (Odds ratio (OR) 6.09, (95% Confidence Interval (CI):1.27-29.10), p = 0.024) and 90-day mortality (OR 6.10, 95% CI: 1.39-26.76, p = 0.017). The length of hospitalization stay was comparable. Subgroup analysis of endoscopic retrograde cholangiopancreatogram patients showed comparable outcomes. CONCLUSION: KP bacteremia is associated with lower platelet count and higher 30-day and 90-day mortality than EC. More studies are required to establish if inferior outcomes of KP bacteremia are associated with antimicrobial resistance.
BACKGROUND: Acute cholangitis (AC) is a potentially life-threatening infection involving the biliary system. The two commonest bacteria involved are Escherichia coli (EC) followed by Klebsiella pneumoniae (KP). Microbiology is a prognostic factor for several pathologies but not for AC. We aim to investigate clinical outcomes between KP bacteremia vs. EC bacteremia in AC. METHODS: This is a retrospective cohort study of patients diagnosed with calculous AC (January-December 2016). Study outcomes include the length of hospitalization stay, in-hospital mortality, 30-day, and 90-day mortality. Univariate and multivariate logistic regression was used to establish correlations. RESULTS: We included 141 patients (KP (n = 29), EC (n = 112)) with overall median age of 82.2 and similar gender distribution. Most patients had Grade II AC (n = 59, 41.8%). Patient demographics were comparable. KP bacteremia had lower median platelet count (KP:168 × 109/L vs. EC:200 × 109/L; p = 0.025). Overall 30-day and 90-day mortality were 9.2 and 10.6%, respectively. Multivariate analysis showed KP bacteremia had higher 30-day (Odds ratio (OR) 6.09, (95% Confidence Interval (CI):1.27-29.10), p = 0.024) and 90-day mortality (OR 6.10, 95% CI: 1.39-26.76, p = 0.017). The length of hospitalization stay was comparable. Subgroup analysis of endoscopic retrograde cholangiopancreatogram patients showed comparable outcomes. CONCLUSION: KP bacteremia is associated with lower platelet count and higher 30-day and 90-day mortality than EC. More studies are required to establish if inferior outcomes of KP bacteremia are associated with antimicrobial resistance.
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Authors: Massimo Sartelli; Dieter G Weber; Etienne Ruppé; Matteo Bassetti; Brian J Wright; Luca Ansaloni; Fausto Catena; Federico Coccolini; Fikri M Abu-Zidan; Raul Coimbra; Ernest E Moore; Frederick A Moore; Ronald V Maier; Jan J De Waele; Andrew W Kirkpatrick; Ewen A Griffiths; Christian Eckmann; Adrian J Brink; John E Mazuski; Addison K May; Rob G Sawyer; Dominik Mertz; Philippe Montravers; Anand Kumar; Jason A Roberts; Jean-Louis Vincent; Richard R Watkins; Warren Lowman; Brad Spellberg; Iain J Abbott; Abdulrashid Kayode Adesunkanmi; Sara Al-Dahir; Majdi N Al-Hasan; Ferdinando Agresta; Asma A Althani; Shamshul Ansari; Rashid Ansumana; Goran Augustin; Miklosh Bala; Zsolt J Balogh; Oussama Baraket; Aneel Bhangu; Marcelo A Beltrán; Michael Bernhard; Walter L Biffl; Marja A Boermeester; Stephen M Brecher; Jill R Cherry-Bukowiec; Otmar R Buyne; Miguel A Cainzos; Kelly A Cairns; Adrian Camacho-Ortiz; Sujith J Chandy; Asri Che Jusoh; Alain Chichom-Mefire; Caroline Colijn; Francesco Corcione; Yunfeng Cui; Daniel Curcio; Samir Delibegovic; Zaza Demetrashvili; Belinda De Simone; Sameer Dhingra; José J Diaz; Isidoro Di Carlo; Angel Dillip; Salomone Di Saverio; Michael P Doyle; Gereltuya Dorj; Agron Dogjani; Hervé Dupont; Soumitra R Eachempati; Mushira Abdulaziz Enani; Valery N Egiev; Mutasim M Elmangory; Paula Ferrada; Joseph R Fitchett; Gustavo P Fraga; Nathalie Guessennd; Helen Giamarellou; Wagih Ghnnam; George Gkiokas; Staphanie R Goldberg; Carlos Augusto Gomes; Harumi Gomi; Manuel Guzmán-Blanco; Mainul Haque; Sonja Hansen; Andreas Hecker; Wolfgang R Heizmann; Torsten Herzog; Adrien Montcho Hodonou; Suk-Kyung Hong; Reinhold Kafka-Ritsch; Lewis J Kaplan; Garima Kapoor; Aleksandar Karamarkovic; Martin G Kees; Jakub Kenig; Ronald Kiguba; Peter K Kim; Yoram Kluger; Vladimir Khokha; Kaoru Koike; Kenneth Y Y Kok; Victory Kong; Matthew C Knox; Kenji Inaba; Arda Isik; Katia Iskandar; Rao R Ivatury; Maurizio Labbate; Francesco M Labricciosa; Pierre-François Laterre; Rifat Latifi; Jae Gil Lee; Young Ran Lee; Marc Leone; Ari Leppaniemi; Yousheng Li; Stephen Y Liang; Tonny Loho; Marc Maegele; Sydney Malama; Hany E Marei; Ignacio Martin-Loeches; Sanjay Marwah; Amos Massele; Michael McFarlane; Renato Bessa Melo; Ionut Negoi; David P Nicolau; Carl Erik Nord; Richard Ofori-Asenso; AbdelKarim H Omari; Carlos A Ordonez; Mouaqit Ouadii; Gerson Alves Pereira Júnior; Diego Piazza; Guntars Pupelis; Timothy Miles Rawson; Miran Rems; Sandro Rizoli; Claudio Rocha; Boris Sakakushev; Miguel Sanchez-Garcia; Norio Sato; Helmut A Segovia Lohse; Gabriele Sganga; Boonying Siribumrungwong; Vishal G Shelat; Kjetil Soreide; Rodolfo Soto; Peep Talving; Jonathan V Tilsed; Jean-Francois Timsit; Gabriel Trueba; Ngo Tat Trung; Jan Ulrych; Harry van Goor; Andras Vereczkei; Ravinder S Vohra; Imtiaz Wani; Waldemar Uhl; Yonghong Xiao; Kuo-Ching Yuan; Sanoop K Zachariah; Jean-Ralph Zahar; Tanya L Zakrison; Antonio Corcione; Rita M Melotti; Claudio Viscoli; Perluigi Viale Journal: World J Emerg Surg Date: 2016-07-15 Impact factor: 5.469