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https://hdl.handle.net/2440/105181
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Type: | Journal article |
Title: | The impact of post-operative sepsis on mortality after hospital discharge among elective surgical patients: a population-based cohort study |
Author: | Ou, L. Chen, J. Hillman, K. Flabouris, A. Parr, M. Assareh, H. Bellomo, R. |
Citation: | Critical Care (UK), 2017; 21(1):34-1-34-13 |
Publisher: | BioMed Central |
Issue Date: | 2017 |
ISSN: | 1364-8535 1466-609X |
Statement of Responsibility: | Lixin Ou, Jack Chen, Ken Hillman, Arthas Flabouris, Michael Parr, Hassan Assareh and Rinaldo Bellomo |
Abstract: | Our aim in the present study was to assess the mortality impact of hospital-acquired post-operative sepsis up to 1 year after hospital discharge among adult non-short-stay elective surgical patients.We conducted a population-based, retrospective cohort study of all elective surgical patients admitted to 82 public acute hospitals between 1 January 2007 and 31 December 2012 in New South Wales, Australia. All adult elective surgical admission patients who stayed in hospital for ≥4 days and survived to discharge after post-operative sepsis were identified using the Admitted Patient Data Collection records linked with the Registry of Births, Deaths, and Marriages. We assessed post-discharge mortality rates at 30 days, 60 days, 90 days and 1 year and compared them with those of patients without post-operative sepsis.We studied 144,503 survivors to discharge. Of these, 1857 (1.3%) had experienced post-operative sepsis. Their post-discharge mortality rates at 30 days, 60 days, 90 days and 1 year were 4.6%, 6.7%, 8.1% and 13.5% (vs 0.7%, 1.2%, 1.5% and 3.8% in the non-sepsis cohort), respectively (P < 0.0001 for all). After adjustment for patient and hospital characteristics, post-operative sepsis remained independently associated with a higher mortality risk (30-day mortality HR 2.75, 95% CI 2.14-3.53; 60-day mortality HR 2.45, 95% CI 1.94-3.10; 90-day mortality HR 2.31, 95% CI 1.85-2.87; 1-year mortality HR 1.71, 95% CI 1.46-2.00). Being older than 75 years of age (HR 3.50, 95% CI 1.56-7.87) and presence of severe/very severe co-morbidities as defined by Charlson co-morbidity index (severe vs normal HR 2.05, 95% CI 1.45-2.89; very severe vs normal HR 2.17, 95% CI 1.49-3.17) were the only other significant independent predictors of increased 1-year mortality.Among elective surgical patients, post-operative sepsis is independently associated with increased post-discharge mortality up to 1 year after hospital discharge. This risk is particularly high in the first month, in older age patients and in the presence of severe/very severe co-morbidities. This high-risk population can be targeted for interventions. |
Keywords: | Humans Cross Infection Sepsis Postoperative Complications Patient Discharge Registries Hospital Mortality Multivariate Analysis Proportional Hazards Models Risk Factors Chi-Square Distribution Poisson Distribution Retrospective Studies Cohort Studies Adult Aged Aged, 80 and over Middle Aged New South Wales Female Male Elective Surgical Procedures |
Rights: | © The Author(s). 2017 Open Access This article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated. |
DOI: | 10.1186/s13054-016-1596-7 |
Grant ID: | http://purl.org/au-research/grants/nhmrc/1020660 http://purl.org/au-research/grants/nhmrc/1009916 |
Published version: | http://dx.doi.org/10.1186/s13054-016-1596-7 |
Appears in Collections: | Aurora harvest 8 Medicine publications |
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