A Therapeutic Strategy for All Pneumonia Patients: A 3-Year Prospective Multicenter Cohort Study Using Risk Factors for Multidrug-resistant Pathogens to Select Initial Empiric Therapy

Abstract Background Empiric therapy of pneumonia is currently based on the site of acquisition (community or hospital), but could be chosen, based on risk factors for multidrug-resistant (MDR) pathogens, independent of site of acquisition. Methods We prospectively applied a therapeutic algorithm bas...

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Veröffentlicht in:Clinical infectious diseases 2019-03, Vol.68 (7), p.1080-1088
Hauptverfasser: Maruyama, Takaya, Fujisawa, Takao, Ishida, Tadashi, Ito, Akihiro, Oyamada, Yoshitaka, Fujimoto, Kazuyuki, Yoshida, Masamichi, Maeda, Hikaru, Miyashita, Naoyuki, Nagai, Hideaki, Imamura, Yoshifumi, Shime, Nobuaki, Suzuki, Shoji, Amishima, Masaru, Higa, Futoshi, Kobayashi, Hiroyasu, Suga, Shigeru, Tsutsui, Kiyoyuki, Kohno, Shigeru, Brito, Veronica, Niederman, Michael S.
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container_end_page 1088
container_issue 7
container_start_page 1080
container_title Clinical infectious diseases
container_volume 68
creator Maruyama, Takaya
Fujisawa, Takao
Ishida, Tadashi
Ito, Akihiro
Oyamada, Yoshitaka
Fujimoto, Kazuyuki
Yoshida, Masamichi
Maeda, Hikaru
Miyashita, Naoyuki
Nagai, Hideaki
Imamura, Yoshifumi
Shime, Nobuaki
Suzuki, Shoji
Amishima, Masaru
Higa, Futoshi
Kobayashi, Hiroyasu
Suga, Shigeru
Tsutsui, Kiyoyuki
Kohno, Shigeru
Brito, Veronica
Niederman, Michael S.
description Abstract Background Empiric therapy of pneumonia is currently based on the site of acquisition (community or hospital), but could be chosen, based on risk factors for multidrug-resistant (MDR) pathogens, independent of site of acquisition. Methods We prospectively applied a therapeutic algorithm based on MDR risks, in a multicenter cohort study of 1089 patients with 656 community-acquired pneumonia (CAP), 238 healthcare-associated pneumonia (HCAP), 140 hospital-acquired pneumonia (HAP), or 55 ventilator-associated pneumonia (VAP). Results Approximately 83% of patients were treated according to the algorithm, with 4.3% receiving inappropriate therapy. The frequency of MDR pathogens varied, respectively, with VAP (50.9%), HAP (27.9%), HCAP (10.9%), and CAP (5.2%). Those with ≥2 MDR risks had MDR pathogens more often than those with 0–1 MDR risk (25.8% vs 5.3%, P < .001). The 30-day mortality rates were as follows: VAP (18.2%), HAP (13.6%), HCAP (6.7%), and CAP (4.7%), and were lower in patients with 0–1 MDR risks than in those with ≥2 MDR risks (4.5% vs 12.5%, P < .001). In multivariate logistic regression analysis, 5 risk factors (advanced age, hematocrit
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Methods We prospectively applied a therapeutic algorithm based on MDR risks, in a multicenter cohort study of 1089 patients with 656 community-acquired pneumonia (CAP), 238 healthcare-associated pneumonia (HCAP), 140 hospital-acquired pneumonia (HAP), or 55 ventilator-associated pneumonia (VAP). Results Approximately 83% of patients were treated according to the algorithm, with 4.3% receiving inappropriate therapy. The frequency of MDR pathogens varied, respectively, with VAP (50.9%), HAP (27.9%), HCAP (10.9%), and CAP (5.2%). Those with ≥2 MDR risks had MDR pathogens more often than those with 0–1 MDR risk (25.8% vs 5.3%, P &lt; .001). The 30-day mortality rates were as follows: VAP (18.2%), HAP (13.6%), HCAP (6.7%), and CAP (4.7%), and were lower in patients with 0–1 MDR risks than in those with ≥2 MDR risks (4.5% vs 12.5%, P &lt; .001). In multivariate logistic regression analysis, 5 risk factors (advanced age, hematocrit &lt;30%, malnutrition, dehydration, and chronic liver disease), as well as hypotension and inappropriate therapy were significantly correlated with 30-day mortality, whereas the classification of pneumonia type (VAP, HAP, HCAP, CAP) was not. Conclusions Individual MDR risk factors can be used in a unified algorithm to guide and simplify empiric therapy for all pneumonia patients, and were more important than the classification of site of pneumonia acquisition in determining 30-day mortality. Clinical Trials Registration JMA-IIA00146. We applied a single algorithm to all forms of pneumonia, which was followed in 82.5% of a cohort of 1089 patients. Only 4.3% received inappropriate therapy; in multivariate analysis, site of pneumonia acquisition was not predictive of 30-day mortality.</description><identifier>ISSN: 1058-4838</identifier><identifier>EISSN: 1537-6591</identifier><identifier>DOI: 10.1093/cid/ciy631</identifier><identifier>PMID: 30084884</identifier><language>eng</language><publisher>US: Oxford University Press</publisher><subject>Aged ; Aged, 80 and over ; Anti-Bacterial Agents - therapeutic use ; ARTICLES AND COMMENTARIES ; Community-Acquired Infections - drug therapy ; Community-Acquired Infections - microbiology ; Cross Infection - drug therapy ; Cross Infection - microbiology ; Drug Resistance, Multiple, Bacterial ; Drug Therapy - methods ; Epidemiologic Methods ; Female ; Humans ; Male ; Middle Aged ; Pneumonia, Bacterial - drug therapy ; Pneumonia, Bacterial - microbiology ; Prospective Studies ; Risk Assessment ; Survival Analysis ; Treatment Outcome</subject><ispartof>Clinical infectious diseases, 2019-03, Vol.68 (7), p.1080-1088</ispartof><rights>The Author(s) 2018</rights><rights>The Author(s) 2018. Published by Oxford University Press for the Infectious Diseases Society of America. All rights reserved. For permissions, e-mail: journals.permissions@oup.com. 2018</rights><rights>The Author(s) 2018. Published by Oxford University Press for the Infectious Diseases Society of America. All rights reserved. For permissions, e-mail: journals.permissions@oup.com.</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c441t-7ce17e98697977228fb7d9b5d953a2dd49e7f01d7caa22f033b20d27ecacc85e3</citedby><cites>FETCH-LOGICAL-c441t-7ce17e98697977228fb7d9b5d953a2dd49e7f01d7caa22f033b20d27ecacc85e3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,777,781,1579,27905,27906</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/30084884$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Maruyama, Takaya</creatorcontrib><creatorcontrib>Fujisawa, Takao</creatorcontrib><creatorcontrib>Ishida, Tadashi</creatorcontrib><creatorcontrib>Ito, Akihiro</creatorcontrib><creatorcontrib>Oyamada, Yoshitaka</creatorcontrib><creatorcontrib>Fujimoto, Kazuyuki</creatorcontrib><creatorcontrib>Yoshida, Masamichi</creatorcontrib><creatorcontrib>Maeda, Hikaru</creatorcontrib><creatorcontrib>Miyashita, Naoyuki</creatorcontrib><creatorcontrib>Nagai, Hideaki</creatorcontrib><creatorcontrib>Imamura, Yoshifumi</creatorcontrib><creatorcontrib>Shime, Nobuaki</creatorcontrib><creatorcontrib>Suzuki, Shoji</creatorcontrib><creatorcontrib>Amishima, Masaru</creatorcontrib><creatorcontrib>Higa, Futoshi</creatorcontrib><creatorcontrib>Kobayashi, Hiroyasu</creatorcontrib><creatorcontrib>Suga, Shigeru</creatorcontrib><creatorcontrib>Tsutsui, Kiyoyuki</creatorcontrib><creatorcontrib>Kohno, Shigeru</creatorcontrib><creatorcontrib>Brito, Veronica</creatorcontrib><creatorcontrib>Niederman, Michael S.</creatorcontrib><title>A Therapeutic Strategy for All Pneumonia Patients: A 3-Year Prospective Multicenter Cohort Study Using Risk Factors for Multidrug-resistant Pathogens to Select Initial Empiric Therapy</title><title>Clinical infectious diseases</title><addtitle>Clin Infect Dis</addtitle><description>Abstract Background Empiric therapy of pneumonia is currently based on the site of acquisition (community or hospital), but could be chosen, based on risk factors for multidrug-resistant (MDR) pathogens, independent of site of acquisition. Methods We prospectively applied a therapeutic algorithm based on MDR risks, in a multicenter cohort study of 1089 patients with 656 community-acquired pneumonia (CAP), 238 healthcare-associated pneumonia (HCAP), 140 hospital-acquired pneumonia (HAP), or 55 ventilator-associated pneumonia (VAP). Results Approximately 83% of patients were treated according to the algorithm, with 4.3% receiving inappropriate therapy. The frequency of MDR pathogens varied, respectively, with VAP (50.9%), HAP (27.9%), HCAP (10.9%), and CAP (5.2%). Those with ≥2 MDR risks had MDR pathogens more often than those with 0–1 MDR risk (25.8% vs 5.3%, P &lt; .001). The 30-day mortality rates were as follows: VAP (18.2%), HAP (13.6%), HCAP (6.7%), and CAP (4.7%), and were lower in patients with 0–1 MDR risks than in those with ≥2 MDR risks (4.5% vs 12.5%, P &lt; .001). In multivariate logistic regression analysis, 5 risk factors (advanced age, hematocrit &lt;30%, malnutrition, dehydration, and chronic liver disease), as well as hypotension and inappropriate therapy were significantly correlated with 30-day mortality, whereas the classification of pneumonia type (VAP, HAP, HCAP, CAP) was not. Conclusions Individual MDR risk factors can be used in a unified algorithm to guide and simplify empiric therapy for all pneumonia patients, and were more important than the classification of site of pneumonia acquisition in determining 30-day mortality. Clinical Trials Registration JMA-IIA00146. We applied a single algorithm to all forms of pneumonia, which was followed in 82.5% of a cohort of 1089 patients. 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Methods We prospectively applied a therapeutic algorithm based on MDR risks, in a multicenter cohort study of 1089 patients with 656 community-acquired pneumonia (CAP), 238 healthcare-associated pneumonia (HCAP), 140 hospital-acquired pneumonia (HAP), or 55 ventilator-associated pneumonia (VAP). Results Approximately 83% of patients were treated according to the algorithm, with 4.3% receiving inappropriate therapy. The frequency of MDR pathogens varied, respectively, with VAP (50.9%), HAP (27.9%), HCAP (10.9%), and CAP (5.2%). Those with ≥2 MDR risks had MDR pathogens more often than those with 0–1 MDR risk (25.8% vs 5.3%, P &lt; .001). The 30-day mortality rates were as follows: VAP (18.2%), HAP (13.6%), HCAP (6.7%), and CAP (4.7%), and were lower in patients with 0–1 MDR risks than in those with ≥2 MDR risks (4.5% vs 12.5%, P &lt; .001). In multivariate logistic regression analysis, 5 risk factors (advanced age, hematocrit &lt;30%, malnutrition, dehydration, and chronic liver disease), as well as hypotension and inappropriate therapy were significantly correlated with 30-day mortality, whereas the classification of pneumonia type (VAP, HAP, HCAP, CAP) was not. Conclusions Individual MDR risk factors can be used in a unified algorithm to guide and simplify empiric therapy for all pneumonia patients, and were more important than the classification of site of pneumonia acquisition in determining 30-day mortality. Clinical Trials Registration JMA-IIA00146. We applied a single algorithm to all forms of pneumonia, which was followed in 82.5% of a cohort of 1089 patients. Only 4.3% received inappropriate therapy; in multivariate analysis, site of pneumonia acquisition was not predictive of 30-day mortality.</abstract><cop>US</cop><pub>Oxford University Press</pub><pmid>30084884</pmid><doi>10.1093/cid/ciy631</doi><tpages>9</tpages><oa>free_for_read</oa></addata></record>
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source MEDLINE; Elektronische Zeitschriftenbibliothek - Frei zugängliche E-Journals; Oxford University Press Journals All Titles (1996-Current); Alma/SFX Local Collection
subjects Aged
Aged, 80 and over
Anti-Bacterial Agents - therapeutic use
ARTICLES AND COMMENTARIES
Community-Acquired Infections - drug therapy
Community-Acquired Infections - microbiology
Cross Infection - drug therapy
Cross Infection - microbiology
Drug Resistance, Multiple, Bacterial
Drug Therapy - methods
Epidemiologic Methods
Female
Humans
Male
Middle Aged
Pneumonia, Bacterial - drug therapy
Pneumonia, Bacterial - microbiology
Prospective Studies
Risk Assessment
Survival Analysis
Treatment Outcome
title A Therapeutic Strategy for All Pneumonia Patients: A 3-Year Prospective Multicenter Cohort Study Using Risk Factors for Multidrug-resistant Pathogens to Select Initial Empiric Therapy
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