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Atif M, Naseem M, Sarwar S, Mukhtar S, Malik I, Hassan MRU, Iqbal MN, Ahmad N. Spectrum of Microorganisms, Antibiotic Resistance Pattern, and Treatment Outcomes Among Patients With Empyema Thoracis: A Descriptive Cross-Sectional Study From the Bahawal Victoria Hospital Bahawalpur, Punjab, Pakistan. Front Med (Lausanne) 2021; 8:665963. [PMID: 34422850 PMCID: PMC8377472 DOI: 10.3389/fmed.2021.665963] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2021] [Accepted: 06/28/2021] [Indexed: 11/13/2022] Open
Abstract
Background: This study involves the analysis of spectrum of microorganisms, antibiotic resistance pattern, and treatment outcomes among empyema thoracis patients. This study also analyzes the factors associated with unsuccessful treatment outcome and duration of hospital stay among the patients. Methods: This was a descriptive, cross-sectional study carried out in the Pulmonology Ward of the Bahawal Victoria hospital, Bahawalpur, Pakistan. All patients with empyema thoracis registered at the study site during the period of 1 year were included in the study. Multivariate regression analysis was used to analyze the factors associated with duration of hospital stay and unsuccessful treatment outcome among the patients. Results: A total 110 patients were included in the study. Most of the patients (n = 73, 66.4%) were treated with piperacillin/tazobactam alone and in combination with either one or more than one antibiotics as an empiric therapy. Culture was positive in 58 (52.7%) patients and the most commonly identified organisms included, gram-negative Pseudomonas aeruginosa (n = 20; 18.8%) and Klebsiella sp. (n = 11, 10%) followed by same proportion of E. coli. The most commonly identified bacterial isolates showed high level of resistance against antibiotics used as an empiric therapy, while these showed low level of resistance against amoxicillin, clarithromycin, ertapenem, colistin, tigecycline, fosfomycin, rifampicin, and vancomycin. In this study, 82 (74.5%) patients successfully completed the treatment, while 12 (11%) showed no clinical improvement, 5 (4.5%) lost to follow up and 11 (10%) died. In multivariate binary logistic regression analysis, none of the patient attributes were significantly associated with unsuccessful treatment outcome, while in multivariate linear regression analysis, the factors which were significantly associated with duration of hospital stay included; duration of symptoms <2 weeks prior to admission (p = 0.008, beta = −0.247) and resistance to five antibiotic classes (p = 0.02, beta = 0.280). Conclusion: Close to 25% of the patients did not complete the treatment successfully. Most of the common bacterial isolates showed high level of resistance against the broad-spectrum antibiotics used as an empiric therapy. This is alarming. However, better sensitivity of common bacterial isolates against standardized first line treatment for empyema thoracis is promising.
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Affiliation(s)
- Muhammad Atif
- Department of Pharmacy Practice, Faculty of Pharmacy, The Islamia University of Bahawalpur, Bahawalpur, Pakistan
| | - Mehwish Naseem
- Department of Pharmacy Practice, Faculty of Pharmacy, The Islamia University of Bahawalpur, Bahawalpur, Pakistan
| | - Sajjad Sarwar
- Department of Pulmonology, Bahawal Victoria Hospital, Bahawalpur, Pakistan
| | - Saba Mukhtar
- Department of Pharmacy Practice, Faculty of Pharmacy, The Islamia University of Bahawalpur, Bahawalpur, Pakistan
| | - Iram Malik
- Department of Pharmacy Practice, Faculty of Pharmacy, The Islamia University of Bahawalpur, Bahawalpur, Pakistan
| | | | | | - Nafees Ahmad
- Department of Pharmacy Practice, Faculty of Pharmacy and Health Sciences, University of Balochistan, Quetta, Pakistan
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Impact of environmental cleaning on the colonization and infection rates of multidrug-resistant Acinetobacter baumannii in patients within the intensive care unit in a tertiary hospital. Antimicrob Resist Infect Control 2021; 10:4. [PMID: 33407899 PMCID: PMC7789151 DOI: 10.1186/s13756-020-00870-y] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2019] [Accepted: 12/22/2020] [Indexed: 11/24/2022] Open
Abstract
Objective To continuously evaluate the effect of environmental cleaning and hand hygiene compliance on the colonization and infection rates of multidrug-resistant Acinetobacter baumannii (MDR-AB) in the patients within an intensive care unit (ICU).
Methods Environmental cleaning on the high-touch clinical surfaces (HTCS) within a comprehensive ICU was evaluated through monitoring fluorescent marks when the overall compliance with hand hygiene during 2013–2014 was monitored. Meanwhile, samples from the HTCS and inpatients were collected and sent for bacterial culture and identification. The drug susceptibility testing was further implemented to monitor the prevalence of MDR-AB. The genetic relatedness of MDR-AB collected either from the HTCS or inpatients was analyzed by pulsed field gel electrophoresis (PFGE) when an outbreak was doubted. Results The overall compliance with hand hygiene remained relatively stable during 2013–2014. Under this circumstance, the clearance rate of fluorescence marks on the environmental surfaces within ICUs significantly increased from 21.9 to 85.7%, and accordingly the colonization and infection rates of MDR-AB decreased from 16.5 to 6.6‰ and from 7.4 to 2.8‰, respectively, from the beginning to the end of 2013. However, during 2014, because of frequent change and movement of environmental services staff, the clearance rate of fluorescence marks decreased below 50.0%, and the overall colonization and infection rates of MDR-AB correspondingly increased from 9.1 to 11.1‰ and from 1.5 to 3.9‰, respectively. PFGE displayed a high genetic relatedness between the MDR-AB strains analyzed, indicating a dissemination of MDR-AB during the surveillance period. Conclusion For the easily disseminated MDR-AB within ICUs, the clearance rate of fluorescence labeling on HTCS is negatively correlated with the hospital infection rate of MDR-AB. Such an invisible fluorescence labelling is an effective and convenient method to continuously monitor cleanness of medical environment within hospitals.
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Clinical Features of Bloodstream Infections Associated with Peripheral Versus Central Venous Catheters. Infect Dis Ther 2019; 8:343-352. [PMID: 31368046 PMCID: PMC6702512 DOI: 10.1007/s40121-019-00257-6] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2019] [Indexed: 11/17/2022] Open
Abstract
Introduction This study aimed to compare the clinical characteristics and prognoses of central venous catheter-associated bloodstream infections (CVC-BSIs) with peripheral venous catheter-associated BSIs (PVC-BSIs). Methods This retrospective observational study was conducted between April 2011 and March 2013 at a teaching hospital in Tokyo, Japan. Adult patients who developed CVC-BSIs and PVC-BSIs more than 2 days after admission were included. Patients with both CVC-BSIs and PVC-BSIs were excluded. Clinical characteristics of patients with CVC-BSIs and PVC-BSIs were obtained from medical records, and 30-day all-cause mortality was measured as the clinical outcome. Results We enrolled 124 PVC-BSI cases and 110 CVC-BSI cases. Median age, age-adjusted Charlson score, Sequential Organ Failure Assessment score, sex, and ward type at BSI onset did not differ significantly between the two groups. The median duration of catheter indwelling was significantly shorter in the PVC-BSI group than in the CVC-BSI group. Staphylococcus aureus and Gram-negative bacilli infections were more frequent and coagulase-negative staphylococci (CNS) and Candida spp. infections were less frequent in the PVC-BSI group than in the CVC-BSI group. The prevalence of oxacillin resistance among causative S. aureus and CNS, 30-day all-cause mortality, and appropriateness of empirical and definitive antimicrobial therapies did not differ significantly between the two groups. Conclusion The pathogen species distribution varies between PVC-BSIs and CVC-BSIs. However, all-cause mortality does not differ between the two groups. PVCs are not safer than CVCs with respect to BSIs; therefore, it is necessary to use similar precautions relevant to CVC use in order to avoid unnecessary use of PVCs.
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Balsells E, Shi T, Leese C, Lyell I, Burrows J, Wiuff C, Campbell H, Kyaw MH, Nair H. Global burden of Clostridium difficile infections: a systematic review and meta-analysis. J Glob Health 2019; 9:010407. [PMID: 30603078 PMCID: PMC6304170 DOI: 10.7189/jogh.09.010407] [Citation(s) in RCA: 161] [Impact Index Per Article: 32.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
Background Clostridium difficile is a leading cause of morbidity and mortality in several countries. However, there are limited evidence characterizing its role as a global public health problem. We conducted a systematic review to provide a comprehensive overview of C. difficile infections (CDI) rates. Methods Seven databases were searched (January 2016) to identify studies and surveillance reports published between 2005 and 2015 reporting CDI incidence rates. CDI incidence rates for health care facility-associated (HCF), hospital onset-health care facility-associated, medical or general intensive care unit (ICU), internal medicine (IM), long-term care facility (LTCF), and community-associated (CA) were extracted and standardized. Meta-analysis was conducted using a random effects model. Results 229 publications, with data from 41 countries, were included. The overall rate of HCF-CDI was 2.24 (95% confidence interval CI = 1.66-3.03) per 1000 admissions/y and 3.54 (95%CI = 3.19-3.92) per 10 000 patient-days/y. Estimated rates for CDI with onset in ICU or IM wards were 11.08 (95%CI = 7.19-17.08) and 10.80 (95%CI = 3.15-37.06) per 1000 admission/y, respectively. Rates for CA-CDI were lower: 0.55 (95%CI = 0.13-2.37) per 1000 admissions/y. CDI rates were generally higher in North America and among the elderly but similar rates were identified in other regions and age groups. Conclusions Our review highlights the widespread burden of disease of C. difficile, evidence gaps, and the need for sustainable surveillance of CDI in the health care setting and the community.
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Affiliation(s)
- Evelyn Balsells
- Centre for Global Health Research, Usher Institute of Population Health Sciences and Informatics, University of Edinburgh, Edinburgh, UK.,Joint first authorship
| | - Ting Shi
- Centre for Global Health Research, Usher Institute of Population Health Sciences and Informatics, University of Edinburgh, Edinburgh, UK.,Joint first authorship
| | - Callum Leese
- Centre for Global Health Research, Usher Institute of Population Health Sciences and Informatics, University of Edinburgh, Edinburgh, UK
| | - Iona Lyell
- Centre for Global Health Research, Usher Institute of Population Health Sciences and Informatics, University of Edinburgh, Edinburgh, UK
| | - John Burrows
- Centre for Global Health Research, Usher Institute of Population Health Sciences and Informatics, University of Edinburgh, Edinburgh, UK
| | | | - Harry Campbell
- Centre for Global Health Research, Usher Institute of Population Health Sciences and Informatics, University of Edinburgh, Edinburgh, UK
| | - Moe H Kyaw
- Sanofi Pasteur, Swiftwater, Pennsylvania, USA.,Joint last authorship
| | - Harish Nair
- Centre for Global Health Research, Usher Institute of Population Health Sciences and Informatics, University of Edinburgh, Edinburgh, UK.,Joint last authorship
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Pathogens of Intensive Care Unit-Acquired Infections and Their Antimicrobial Resistance: A 9-Year Analysis of Data from a University Hospital. Jundishapur J Microbiol 2018. [DOI: 10.5812/jjm.67716] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
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Searching for a Potential Algorithm for Clostridium difficile Testing at a Tertiary Care Hospital: Does Toxin Enzyme Immunoassay Testing Help? J Clin Microbiol 2018; 56:JCM.00415-18. [PMID: 29743303 DOI: 10.1128/jcm.00415-18] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2018] [Accepted: 05/02/2018] [Indexed: 01/05/2023] Open
Abstract
Clostridium difficile is a major contributor to morbidity and mortality in the United States. Methods for identifying the organism in stool include molecular platforms, enzyme immunoassays (EIAs) for toxin, and culture. Controversy persists over whether molecular tests are too sensitive at identifying C. difficile, and there are questions about how additional laboratory information could inform clinical management and reduce over treatment. The aim of this study was to assess whether clinical factors are related to the toxin status of patients and whether information about toxin status could potentially inform clinical management of patients. A total of 201 PCR-positive C. difficile stool samples from adult patients at our institution underwent EIA toxin testing. Clinical and laboratory data were collected, and the percentage of PCR-positive/EIA-positive (PCR+/EIA+) patients and PCR+ and EIA-negative (PCR+/EIA-) patients was calculated. Of the 201 samples, 47% were EIA positive and 53% were EIA negative. Although PCR+/EIA+ patients were more likely to have had a prior C. difficile infection (P = 0.015), there was no statistical difference between the additional data collected that correlated with a positive EIA result. We were unable to show that patients with an EIA+ result had worse clinical parameters than those with EIA- results and concluded that establishing a testing algorithm that included both PCR and EIA testing would not change the clinical management of patients at our hospital.
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Avni T, Babich T, Ben-Zvi H, Atamna A, Yahav D, Shepshelovich D, Leibovici-Weissman Y, Bishara J. Molecular-based diagnosis of Clostridium difficile infection is associated with reduced mortality. Eur J Clin Microbiol Infect Dis 2018; 37:1137-1142. [PMID: 29627950 DOI: 10.1007/s10096-018-3228-4] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2018] [Accepted: 03/09/2018] [Indexed: 12/18/2022]
Abstract
Polymerase chain reaction (PCR) for the diagnosis of Clostridium difficile infection (CDI) might result in overdiagnosis. The clinical outcomes of symptomatic CDI patients diagnosed by PCR remain uncertain. We aimed to determine whether patients whose diagnosis of CDI was based on PCR had different characteristics and clinical outcomes than those diagnosed by toxin immunoassay. Consecutive CDI patients, hospitalized at Rabin Medical Center, Beilinson Hospital, Petah Tikva, Israel, between January 2013 and January 2016, were identified retrospectively and included in the study. Diagnosis of CDI was based on PCR or diagnosis by immunoassay for C. difficile toxin. The main outcome was 30- and 90-day all-cause mortality. The PCR group included 165 patients and the immunoassay group included 157 patients. In comparison to the immunoassay group, patients in the PCR group were more likely to be younger, to be independent, to undergo previous abdominal surgery, and to use laxatives. The 30-day mortality rate in the PCR group was significantly lower than that in the immunoassay group, 29/165 (18%) vs 49/157 (31%), respectively; p = 0.028. On multivariate analysis, PCR diagnosis was associated with reduced mortality, OR 0.48 (95% CI 0.26-0.88). PCR-based diagnosis of CDI is associated with reduced all-cause mortality rates. Further studies are needed to determine the management of patients with discrepant immunoassay and PCR diagnosis of CDI.
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Affiliation(s)
- Tomer Avni
- Unit of Infectious Disease, Beilinson Hospital, Rabin Medical Center, Petah Tikva, Israel.
- Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel.
| | - Tanya Babich
- Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
- Department of Medicine E, Beilinson Hospital, Rabin Medical Center, Petah Tikva, Israel
| | - Haim Ben-Zvi
- Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
- Microbiology lab, Beilinson Hospital, Rabin Medical Center, Petah Tikva, Israel
| | - Alaa Atamna
- Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
- Department of Medicine C, Beilinson Hospital, Rabin Medical Center, Petah Tikva, Israel
| | - Dafna Yahav
- Unit of Infectious Disease, Beilinson Hospital, Rabin Medical Center, Petah Tikva, Israel
- Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Daniel Shepshelovich
- Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
- Department of Medicine E, Beilinson Hospital, Rabin Medical Center, Petah Tikva, Israel
| | - Yaara Leibovici-Weissman
- Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
- Department of Medicine D, Beilinson Hospital, Rabin Medical Center, Petah Tikva, Israel
| | - Jihad Bishara
- Unit of Infectious Disease, Beilinson Hospital, Rabin Medical Center, Petah Tikva, Israel
- Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
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Abstract
Catheter-associated urinary tract infection (CAUTI) remains one of the most prevalent, yet preventable, health care-associated infections and predominantly occurs in patients with indwelling urinary catheters. Targeted strategies for prevention of CAUTI include limiting urinary catheter use; physician reminder systems, nurse-initiated discontinuation protocols, and automatic stop orders have successfully decreased catheter duration. Alternatives to indwelling catheters should be considered in appropriate patients. If indwelling catheterization is necessary, proper aseptic practices for catheter insertion and maintenance and closed catheter collection system is essential for preventing CAUTI. The use of "bladder bundles" and collaboratives aids in the effective implementation of CAUTI prevention measures.
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Affiliation(s)
- Carol E Chenoweth
- Division of Infectious Diseases, Department of Internal Medicine, University of Michigan Health System, Ann Arbor, MI, USA.
| | - Sanjay Saint
- Division of Infectious Diseases, Department of Internal Medicine, University of Michigan Health System, Ann Arbor, MI, USA; Division of General Medicine, Department of Internal Medicine, University of Michigan Health System, 2800 Plymouth Road, Building 16, Room 430 West, Ann Arbor, MI 48109-2800, USA; Veterans Affairs Ann Arbor Healthcare System, Ann Arbor, MI, USA
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Polage CR, Gyorke CE, Kennedy MA, Leslie JL, Chin DL, Wang S, Nguyen HH, Huang B, Tang YW, Lee LW, Kim K, Taylor S, Romano PS, Panacek EA, Goodell PB, Solnick JV, Cohen SH. Overdiagnosis of Clostridium difficile Infection in the Molecular Test Era. JAMA Intern Med 2015; 175:1792-801. [PMID: 26348734 PMCID: PMC4948649 DOI: 10.1001/jamainternmed.2015.4114] [Citation(s) in RCA: 421] [Impact Index Per Article: 46.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
IMPORTANCE Clostridium difficile is a major cause of health care-associated infection, but disagreement between diagnostic tests is an ongoing barrier to clinical decision making and public health reporting. Molecular tests are increasingly used to diagnose C difficile infection (CDI), but many molecular test-positive patients lack toxins that historically defined disease, making it unclear if they need treatment. OBJECTIVE To determine the natural history and need for treatment of patients who are toxin immunoassay negative and polymerase chain reaction (PCR) positive (Tox-/PCR+) for CDI. DESIGN, SETTING, AND PARTICIPANTS Prospective observational cohort study at a single academic medical center among 1416 hospitalized adults tested for C difficile toxins 72 hours or longer after admission between December 1, 2010, and October 20, 2012. The analysis was conducted in stages with revisions from April 27, 2013, to January 13, 2015. MAIN OUTCOMES AND MEASURES Patients undergoing C difficile testing were grouped by US Food and Drug Administration-approved toxin and PCR tests as Tox+/PCR+, Tox-/PCR+, or Tox-/PCR-. Toxin results were reported clinically. Polymerase chain reaction results were not reported. The main study outcomes were duration of diarrhea during up to 14 days of treatment, rate of CDI-related complications (ie, colectomy, megacolon, or intensive care unit care) and CDI-related death within 30 days. RESULTS Twenty-one percent (293 of 1416) of hospitalized adults tested for C difficile were positive by PCR, but 44.7% (131 of 293) had toxins detected by the clinical toxin test. At baseline, Tox-/PCR+ patients had lower C difficile bacterial load and less antibiotic exposure, fecal inflammation, and diarrhea than Tox+/PCR+ patients (P < .001 for all). The median duration of diarrhea was shorter in Tox-/PCR+ patients (2 days; interquartile range, 1-4 days) than in Tox+/PCR+ patients (3 days; interquartile range, 1-6 days) (P = .003) and was similar to that in Tox-/PCR- patients (2 days; interquartile range, 1-3 days), despite minimal empirical treatment of Tox-/PCR+ patients. No CDI-related complications occurred in Tox-/PCR+ patients vs 10 complications in Tox+/PCR+ patients (0% vs 7.6%, P < .001). One Tox-/PCR+ patient had recurrent CDI as a contributing factor to death within 30 days vs 11 CDI-related deaths in Tox+/PCR+ patients (0.6% vs 8.4%, P = .001). CONCLUSIONS AND RELEVANCE Among hospitalized adults with suspected CDI, virtually all CDI-related complications and deaths occurred in patients with positive toxin immunoassay test results. Patients with a positive molecular test result and a negative toxin immunoassay test result had outcomes that were comparable to patients without C difficile by either method. Exclusive reliance on molecular tests for CDI diagnosis without tests for toxins or host response is likely to result in overdiagnosis, overtreatment, and increased health care costs.
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Affiliation(s)
- Christopher R Polage
- Department of Pathology and Laboratory Medicine, University of California Davis School of Medicine, Sacramento2Division of Infectious Diseases, Department of Internal Medicine, University of California Davis School of Medicine, Sacramento
| | - Clare E Gyorke
- Department of Pathology and Laboratory Medicine, University of California Davis School of Medicine, Sacramento
| | - Michael A Kennedy
- Department of Pathology and Laboratory Medicine, University of California Davis School of Medicine, Sacramento
| | - Jhansi L Leslie
- Department of Pathology and Laboratory Medicine, University of California Davis School of Medicine, Sacramento3Department of Microbiology and Immunology, University of Michigan Medical School, Ann Arbor
| | - David L Chin
- Center for Healthcare Policy and Research, University of California Davis, Sacramento
| | - Susan Wang
- Department of Pathology and Laboratory Medicine, University of California Davis School of Medicine, Sacramento5Yolo County Health Department, Woodland, California
| | - Hien H Nguyen
- Division of Infectious Diseases, Department of Internal Medicine, University of California Davis School of Medicine, Sacramento
| | - Bin Huang
- Department of Laboratory Medicine, Memorial Sloan Kettering Cancer Center, New York, New York7Department of Clinical Laboratory, First Affiliated Hospital of Sun Yat-sen University, Guangzhou, Guangdong, China
| | - Yi-Wei Tang
- Department of Laboratory Medicine, Memorial Sloan Kettering Cancer Center, New York, New York8Weill Medical College of Cornell University, New York, New York
| | - Lenora W Lee
- Division of Infectious Diseases, Department of Internal Medicine, University of California Davis School of Medicine, Sacramento
| | - Kyoungmi Kim
- Division of Biostatistics, Department of Public Health Sciences, University of California Davis School of Medicine, Sacramento
| | - Sandra Taylor
- Division of Biostatistics, Department of Public Health Sciences, University of California Davis School of Medicine, Sacramento
| | - Patrick S Romano
- Center for Healthcare Policy and Research, University of California Davis, Sacramento10Division of General Medicine, Department of Internal Medicine, University of California Davis School of Medicine, Sacramento11Division of General Pediatrics, Department
| | - Edward A Panacek
- Department of Emergency Medicine, University of California Davis School of Medicine, Sacramento
| | - Parker B Goodell
- Department of Emergency Medicine, University of California Davis School of Medicine, Sacramento
| | - Jay V Solnick
- Division of Infectious Diseases, Department of Internal Medicine, University of California Davis School of Medicine, Sacramento13Department of Medical Microbiology and Immunology, University of California Davis School of Medicine, Sacramento
| | - Stuart H Cohen
- Division of Infectious Diseases, Department of Internal Medicine, University of California Davis School of Medicine, Sacramento
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Longitudinal trends in all healthcare-associated infections through comprehensive hospital-wide surveillance and infection control measures over the past 12 years: substantial burden of healthcare-associated infections outside of intensive care units and "other" types of infection. Infect Control Hosp Epidemiol 2015; 36:1139-47. [PMID: 26108686 DOI: 10.1017/ice.2015.142] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
OBJECTIVE Targeted surveillance has focused on device-associated infections and surgical site infections (SSIs) and is often limited to healthcare-associated infections (HAIs) in high-risk areas. Longitudinal trends in all HAIs, including other types of HAIs, and HAIs outside of intensive care units (ICUs) remain unclear. We examined the incidences of all HAIs using comprehensive hospital-wide surveillance over a 12-year period (2001-2012). METHODS This retrospective observational study was conducted at the University of North Carolina (UNC) Hospitals, a tertiary care academic facility. All HAIs, including 5 major infections with 14 specific infection sites as defined using CDC criteria, were ascertained through comprehensive hospital-wide surveillance. Generalized linear models were used to examine the incidence rate difference by infection type over time. RESULTS A total of 16,579 HAIs included 6,397 cases in ICUs and 10,182 cases outside ICUs. The incidence of overall HAIs decreased significantly hospital-wide (-3.4 infections per 1,000 patient days), in ICUs (-8.4 infections per 1,000 patient days), and in non-ICU settings (-1.9 infections per 1,000 patient days). The incidences of bloodstream infection, urinary tract infection, and pneumonia in hospital-wide settings decreased significantly, but the incidences of SSI and lower respiratory tract infection remained unchanged. The incidence of Clostridium difficile infection (CDI) increased remarkably. The outcomes were estimated to include 700 overall HAIs prevented, 40 lives saved, and cost savings in excess of $10 million. CONCLUSIONS We demonstrated success in reducing overall HAIs over a 12-year period. Our data underscore the necessity for surveillance and infection prevention interventions outside of the ICUs, for non-device-associated HAIs, and for CDI.
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