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Hoelz H, Heetmeyer J, Tsakmaklis A, Hiergeist A, Siebert K, De Zen F, Häcker D, Metwaly A, Neuhaus K, Gessner A, Vehreschild MJGT, Haller D, Schwerd T. Is Autologous Fecal Microbiota Transfer after Exclusive Enteral Nutrition in Pediatric Crohn’s Disease Patients Rational and Feasible? Data from a Feasibility Test. Nutrients 2023; 15:nu15071742. [PMID: 37049583 PMCID: PMC10096730 DOI: 10.3390/nu15071742] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2023] [Revised: 03/30/2023] [Accepted: 03/31/2023] [Indexed: 04/05/2023] Open
Abstract
Background: Exclusive enteral nutrition (EEN) is a highly effective therapy for remission induction in pediatric Crohn’s disease (CD), but relapse rates after return to a regular diet are high. Autologous fecal microbiota transfer (FMT) using stool collected during EEN-induced clinical remission might represent a novel approach to maintaining the benefits of EEN. Methods: Pediatric CD patients provided fecal material at home, which was shipped at 4 °C to an FMT laboratory for FMT capsule generation and extensive pathogen safety screening. The microbial community composition of samples taken before and after shipment and after encapsulation was characterized using 16S rRNA amplicon sequencing. Results: Seven pediatric patients provided fecal material for nine test runs after at least three weeks of nutritional therapy. FMT capsules were successfully generated in 6/8 deliveries, but stool weight and consistency varied widely. Transport and processing of fecal material into FMT capsules did not fundamentally change microbial composition, but microbial richness was <30 genera in 3/9 samples. Stool safety screening was positive for potential pathogens or drug resistance genes in 8/9 test runs. Conclusions: A high pathogen burden, low-diversity microbiota, and practical deficiencies of EEN-conditioned fecal material might render autologous capsule-FMT an unsuitable approach as maintenance therapy for pediatric CD patients.
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Affiliation(s)
- Hannes Hoelz
- Department of Pediatrics, Dr. von Hauner Children’s Hospital, University Hospital, LMU Munich, 80337 Munich, Germany
| | - Jeannine Heetmeyer
- Department of Pediatrics, Dr. von Hauner Children’s Hospital, University Hospital, LMU Munich, 80337 Munich, Germany
| | - Anastasia Tsakmaklis
- Clinical Microbiome Research Group, Department of Internal Medicine I, University Hospital of Cologne, 50931 Cologne, Germany
| | - Andreas Hiergeist
- Institute for Microbiology and Hygiene, University Hospital Regensburg, 93053 Regensburg, Germany
| | - Kolja Siebert
- Department of Pediatrics, Dr. von Hauner Children’s Hospital, University Hospital, LMU Munich, 80337 Munich, Germany
| | - Federica De Zen
- Department of Pediatrics, Dr. von Hauner Children’s Hospital, University Hospital, LMU Munich, 80337 Munich, Germany
| | - Deborah Häcker
- Chair of Nutrition and Immunology, Technical University Munich, 85354 Freising-Weihenstephan, Germany
| | - Amira Metwaly
- Chair of Nutrition and Immunology, Technical University Munich, 85354 Freising-Weihenstephan, Germany
| | - Klaus Neuhaus
- ZIEL-Institute for Food and Health, Technical University Munich, 85354 Freising-Weihenstephan, Germany
| | - André Gessner
- Institute for Microbiology and Hygiene, University Hospital Regensburg, 93053 Regensburg, Germany
| | - Maria J. G. T. Vehreschild
- Clinical Microbiome Research Group, Department of Internal Medicine I, University Hospital of Cologne, 50931 Cologne, Germany
- Section of Infectious Diseases, Department of Internal Medicine II, University Hospital Frankfurt, Goethe University Frankfurt, 60596 Frankfurt am Main, Germany
| | - Dirk Haller
- Chair of Nutrition and Immunology, Technical University Munich, 85354 Freising-Weihenstephan, Germany
- ZIEL-Institute for Food and Health, Technical University Munich, 85354 Freising-Weihenstephan, Germany
| | - Tobias Schwerd
- Department of Pediatrics, Dr. von Hauner Children’s Hospital, University Hospital, LMU Munich, 80337 Munich, Germany
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2
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Foschi D, Yakushkina A, Cammarata F, Lamperti G, Colombo F, Rimoldi S, Antinori S, Sampietro GM. Surgical site infections caused by multi-drug resistant organisms: a case-control study in general surgery. Updates Surg 2022; 74:1763-1771. [PMID: 35304900 PMCID: PMC9481497 DOI: 10.1007/s13304-022-01243-3] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2021] [Accepted: 01/18/2022] [Indexed: 11/17/2022]
Abstract
Multi-drug resistant organisms (MDR-Os) are emerging as a significant cause of surgical site infections (SSI), but clinical outcomes and risk factors associated to MDR-Os-SSI have been poorly investigated in general surgery. Aims were to investigate risk factors, clinical outcomes and costs of care of multi-drug resistant organisms (MDR-Os-SSI) in general surgery. From January 2018 to December 2019, all the consecutive, unselected patients affected by MDR-O SSI were prospectively evaluated. In the same period, patients with non-MDR-O SSI and without SSI, matched for clinical and surgical data were used as control groups. Risk factors for infection, clinical outcome, and costs of care were compared by univariate and multivariate analysis. Among 3494 patients operated on during the study period, 47 presented an MDR-O SSI. Two control groups of 47 patients with non-MDR-O SSI and without SSI were identified. MDR-Os SSI were caused by poly-microbial etiology, meanly related to Gram negative Enterobacteriales. MDR-Os-SSI were related to major postoperative complications. At univariate analysis, iterative surgery, open abdomen, intensive care, hospital stay, and use of aggressive and expensive therapies were associated to MDR-Os-SSI. At multivariate analysis, only iterative surgery and the need of total parenteral and immune-nutrition were significantly associated to MDR-Os-SSI. The extra-cost of MDR-Os-SSI treatment was 150% in comparison to uncomplicated patients. MDR-Os SSI seems to be associated with major postoperative complications and reoperative surgery, they are demanding in terms of clinical workload and costs of care, they are rare but increasing, and difficult to prevent with current strategies.
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Affiliation(s)
- Diego Foschi
- Second Unit of General Surgery, S. Joseph Hospital, Multimedica IRCCS, Milan, Italy
| | - Al'ona Yakushkina
- Division of General Surgery, "Luigi Sacco" University Hospital, ASST Fatebenefratelli-Sacco, Milan, Italy
| | - Francesco Cammarata
- Division of General Surgery, "Luigi Sacco" University Hospital, ASST Fatebenefratelli-Sacco, Milan, Italy
| | - Giulia Lamperti
- Division of General Surgery, "Luigi Sacco" University Hospital, ASST Fatebenefratelli-Sacco, Milan, Italy
| | - Francesco Colombo
- Division of General Surgery, "Luigi Sacco" University Hospital, ASST Fatebenefratelli-Sacco, Milan, Italy
| | - Sara Rimoldi
- Unit of Clinical Microbiology, "Luigi Sacco" University Hospital, ASST Fatebenefratelli-Sacco, Milan, Italy
| | - Spinello Antinori
- Department of Infectious Diseases, "Luigi Sacco" University Hospital, ASST Fatebenefratelli-Sacco, Milan, Italy
| | - Gianluca M Sampietro
- Division of General and HBP Surgery, Rho Memorial Hospital, ASST Rhodense, Corso Europa 250, 20017, Rho, Milano, Italy.
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3
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Irving PM, de Lusignan S, Tang D, Nijher M, Barrett K. Risk of common infections in people with inflammatory bowel disease in primary care: a population-based cohort study. BMJ Open Gastroenterol 2021; 8:bmjgast-2020-000573. [PMID: 33597152 PMCID: PMC7893652 DOI: 10.1136/bmjgast-2020-000573] [Citation(s) in RCA: 35] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/12/2020] [Revised: 01/20/2021] [Accepted: 01/31/2021] [Indexed: 12/13/2022] Open
Abstract
OBJECTIVE To evaluate the risk of common infections in individuals with inflammatory bowel disease (IBD) [ulcerative colitis and Crohn's disease] compared with matched controls in a contemporary UK primary care population. DESIGN Matched cohort analysis (2014-2019) using the Royal College of General Practitioners Research and Surveillance Centre primary care database. Risk of common infections, viral infections and gastrointestinal infections (including a subset of culture-confirmed infections), and predictors of common infections, were evaluated using multivariable Cox proportional hazards models. RESULTS 18 829 people with IBD were matched to 73 316 controls. People with IBD were more likely to present to primary care with a common infection over the study period (46% vs 37% of controls). Risks of common infections, viral infections and gastrointestinal infections (including stool culture-confirmed infections) were increased for people with ulcerative colitis and Crohn's disease compared with matched controls (HR range 1.12-1.83, all p<0.001). Treatment with oral glucocorticoid therapy, immunotherapies and biologic therapy, but not with aminosalicylates, was associated with increased infection risk in people with IBD. Despite mild lymphopenia and neutropenia being more common in people with IBD (18.4% and 1.9%, respectively) than in controls (6.5% and 1.5%, respectively), these factors were not associated with significantly increased infection risk in people with IBD. CONCLUSION People with IBD are more likely to present with a wide range of common infections. Health professionals and people with IBD should remain vigilant for infections, particularly when using systemic corticosteroids, immunotherapies or biologic agents. TRIAL REGISTRATION NUMBER Clinicaltrials.gov (NCT03835780).
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Affiliation(s)
- Peter M Irving
- Department of Gastroenterology, Guy's & St Thomas' Hospital, London, UK
- School of Immunology and Microbial Sciences, King's College London, London, UK
| | - Simon de Lusignan
- Nuffield Department of Primary Care Health Sciences, University of Oxford, Oxford, UK
- Royal College of General Practitioners (RCGP) Research and Surveillance Centre (RSC), London, UK
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Weizman AV, Bressler B, Seow CH, Afif W, Afzal NM, Targownik L, Nguyen DM, Jones JL, Huang V, Murthy SK, Nguyen GC. Providing Hospitalized Ulcerative Colitis Patients With Practice Guidelines Improves Patient-Reported Outcomes. J Can Assoc Gastroenterol 2020; 4:131-136. [PMID: 34061122 PMCID: PMC8158645 DOI: 10.1093/jcag/gwaa019] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/02/2022] Open
Abstract
Background and aims Variation in care has been demonstrated among hospitalized patients with ulcerative
colitis. Guidelines aim to reduce variation; however, it is known that the uptake of
guidelines by physicians is variable. Providing patients with guidelines is a strategy
that has not been extensively studied in inflammatory bowel disease (IBD). Our aim was
to evaluate the impact of a patient-directed educational intervention that included
treatment guidelines among hospitalized ulcerative colitis patients. Methods We performed a quality improvement, cluster-randomized trial at seven tertiary IBD
centres. Sites were randomized to implement an educational intervention or standard care
for a 6-month period between January 2017 and January 2018. The educational intervention
consisted of a patient-directed video that provided a summary of inpatient management
guidelines for ulcerative colitis. Primary outcome measures included the length of stay
and colectomy at discharge and 6 months. Patient-reported outcomes included trust in
physician and patient satisfaction at discharge and at 6 months. Results Ninety-one patients were enrolled. No statistically significant differences in length
of stay or colectomy were noted. Patients who received the intervention had higher trust
in physician as measured by Trust in Physician Score at discharge (69.5 vs. 62.6,
P = 0.028) and at 6 months (77.7 vs. 68, P = 0.008).
Patient satisfaction as measured by the CACHE questionnaire in the intervention group
was higher at discharge (72.8 vs. 67.1, P = 0.04); however, this
difference was not sustained. Conclusion Empowering patients with guidelines through an educational intervention resulted in
differences in trust in physician and patient satisfaction. Further studies are needed
for evaluating a strategy of engaging IBD patients to take a more active role in their
care. (clinicaltrials.gov, NCT02569333).
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Affiliation(s)
- Adam V Weizman
- Division of Gastroenterology, Mount Sinai Hospital, Department of Medicine, University of Toronto, Toronto, Ontario, Canada
| | - Brian Bressler
- Division of Gastroenterology, Department of Medicine, University of British Columbia, Vancouver, British Columbia, Canada
| | - Cynthia H Seow
- Division of Gastroenterology and Hepatology, Department of Medicine, University of Calgary, Calgary, Alberta, Canada
| | - Waqqas Afif
- Division of Gastroenterology, Department of Medicine, McGill University, Montreal, Quebec, Canada
| | - Nooran M Afzal
- Division of Gastroenterology, Mount Sinai Hospital, Department of Medicine, University of Toronto, Toronto, Ontario, Canada
| | - Laura Targownik
- Division of Gastroenterology, Department of Internal Medicine, University of Manitoba, Winnipeg, Manitoba, Canada
| | - Derek M Nguyen
- Division of Gastroenterology, Mount Sinai Hospital, Department of Medicine, University of Toronto, Toronto, Ontario, Canada
| | - Jennifer L Jones
- Division of Gastroenterology, Department of Medicine, Dalhousie University, Halifax, Nova Scotia, Canada
| | - Vivian Huang
- Division of Gastroenterology, Mount Sinai Hospital, Department of Medicine, University of Toronto, Toronto, Ontario, Canada
| | - Sanjay K Murthy
- Division of Gastroenterology, Department of Medicine, University of Ottawa, Ottawa, Ontario, Canada
| | - Geoffrey C Nguyen
- Division of Gastroenterology, Mount Sinai Hospital, Department of Medicine, University of Toronto, Toronto, Ontario, Canada
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Tam V, Schwartz M, Holder-Murray J, Salgado Pogacnik J. Change in paradigm: impact of an IBD medical home on the outpatient management of acute severe ulcerative colitis. BMJ Case Rep 2019; 12:12/10/e230491. [PMID: 31586953 DOI: 10.1136/bcr-2019-230491] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
Abstract
A 72-year-old man presents with acute severe ulcerative colitis (ASUC), initially partially responsive to intravenous steroids and infliximab over a 3-day hospital stay. Following discharge and over the course of 15 days, his care was coordinated by the inflammatory bowel disease medical home team, who conducted clinical laboratory assessments and two outpatient flexible sigmoidoscopies to evaluate endoluminal disease activity and treatment response prior to proceeding with a laparoscopic total abdominal colectomy and creation of end ileostomy following medical failure. He was admitted to the hospital for a total of only 7 days, which included attempted medical management of ASUC, surgery and postoperative recovery.
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Affiliation(s)
- Vernissia Tam
- Department of Surgery, University of Pittsburgh Medical Center, Pittsburgh, PA, USA
| | - Marc Schwartz
- Division of Gastroenterology, Hepatology and Nutrition, University of Pittsburgh Medical Center, Pittsburgh, PA, USA
| | - Jennifer Holder-Murray
- Department of Surgery, Division of Colon and Rectal Surgery, University of Pittsburgh Medical Center, Pittsburgh, PA, USA
| | - Javier Salgado Pogacnik
- Department of Surgery, Division of Colon and Rectal Surgery, University of Pittsburgh Medical Center, Pittsburgh, PA, USA
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Zhen X, Lundborg CS, Sun X, Hu X, Dong H. Economic burden of antibiotic resistance in ESKAPE organisms: a systematic review. Antimicrob Resist Infect Control 2019; 8:137. [PMID: 31417673 PMCID: PMC6692939 DOI: 10.1186/s13756-019-0590-7] [Citation(s) in RCA: 160] [Impact Index Per Article: 32.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2019] [Accepted: 07/31/2019] [Indexed: 02/03/2023] Open
Abstract
Background Antibiotic resistance (ABR) is one of the biggest threats to global health. Infections by ESKAPE (Enterococcus, S. aureus, K. pneumoniae, A. baumannii, P. aeruginosa, and E. coli) organisms are the leading cause of healthcare-acquired infections worldwide. ABR in ESKAPE organisms is usually associated with significant higher morbidity, mortality, as well as economic burden. Directing attention towards the ESKAPE organisms can help us to better combat the wide challenge of ABR, especially multi-drug resistance (MDR). Objective This study aims to systematically review and evaluate the evidence of the economic consequences of ABR or MDR ESKAPE organisms compared with susceptible cases or control patients without infection/colonization in order to determine the impact of ABR on economic burden. Methods Both English-language databases and Chinese-language databases up to 16 January, 2019 were searched to identify relevant studies assessing the economic burden of ABR. Studies reported hospital costs (charges) or antibiotic cost during the entire hospitalization and during the period before/after culture among patients with ABR or MDR ESKAPE organisms were included. The costs were converted into 2015 United States Dollars. Disagreements were resolved by a third reviewer. Results Of 13,693 studies identified, 83 eligible studies were included in our review. The most studied organism was S. aureus, followed by Enterococcus, A. baumannii, E. coli, E. coli or/and K. pneumoniae, P. aeruginosa, and K. pneumoniae. There were 71 studies on total hospital cost or charge, 12 on antibiotic cost, 11 on hospital cost or charge after culture, 4 on ICU cost, 2 on hospital cost or charge before culture, and 2 on total direct and indirect cost. In general, ABR or MDR ESKAPE organisms are significantly associated with higher economic burden than those with susceptible organisms or those without infection or colonization. Nonetheless, there were no differences in a few studies between the two groups on total hospital cost or charge (16 studies), antibiotic cost (one study), hospital cost before culture (one study), hospital cost after culture (one study). Even, one reported that costs associated with MSSA infection were higher than the costs for similar MRSA cases. Conclusions ABR in ESKAPE organisms is not always, but usually, associated with significantly higher economic burden. The results without significant differences may lack statistical power to detect a significant association. In addition, study design which controls for severity of illness and same empirical antibiotic therapy in the two groups would be expected to bias the study towards a similar, even negative result. The review also highlights key areas where further research is needed.
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Affiliation(s)
- Xuemei Zhen
- Center for Health Policy Studies, School of Public Health, Zhejiang University School of Medicine, 866 Yuhangtang Road, Hangzhou, 310058 Zhejiang China
- Global Health-Health Systems and Policy (HSP): Medicines, focusing antibiotics, Department of Public Health Sciences, Karolinska Institutet, Stockholm, Sweden
| | - Cecilia Stålsby Lundborg
- Global Health-Health Systems and Policy (HSP): Medicines, focusing antibiotics, Department of Public Health Sciences, Karolinska Institutet, Stockholm, Sweden
| | - Xueshan Sun
- Center for Health Policy Studies, School of Public Health, Zhejiang University School of Medicine, 866 Yuhangtang Road, Hangzhou, 310058 Zhejiang China
| | - Xiaoqian Hu
- Center for Health Policy Studies, School of Public Health, Zhejiang University School of Medicine, 866 Yuhangtang Road, Hangzhou, 310058 Zhejiang China
| | - Hengjin Dong
- Center for Health Policy Studies, School of Public Health, Zhejiang University School of Medicine, 866 Yuhangtang Road, Hangzhou, 310058 Zhejiang China
- The Fourth Affiliated Hospital Zhejiang University School of Medicine, No. N1, Shancheng Avenue, Yiwu City, Zhejiang China
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Amberpet R, Sistla S, Parija SC, Rameshkumar R. Risk factors for intestinal colonization with vancomycin resistant enterococci' A prospective study in a level III pediatric intensive care unit. J Lab Physicians 2018; 10:89-94. [PMID: 29403213 PMCID: PMC5784302 DOI: 10.4103/jlp.jlp_32_17] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2017] [Accepted: 06/07/2017] [Indexed: 12/12/2022] Open
Abstract
PURPOSE Vancomycin-resistant enterococci (VRE) emerged as one of the major nosocomial pathogens across the globe. Gut colonization rate with VRE is higher in patients admitted to intensive care units (ICUs) due to the higher antibiotic pressure. VRE colonization increases the risk of developing infection up to 5-10 folds. The aim of this study was to determine the rates of VRE colonization among the patients admitted to pediatric ICU (PICU) and risk factors associated with it. MATERIALS AND METHODS Rectal swabs were collected after 48 h of admission to PICU from 198 patients. The samples were inoculated onto bile esculin sodium azide agar with 6 mg/ml of vancomycin. Growth on this medium was identified by the standard biochemical test, and minimum inhibitory concentration of vancomycin and teicoplanin was detected by agar dilution method. Resistance genes for vancomycin were detected by polymerase chain reaction. Risk factors were assessed by logistic regression analysis. RESULTS The rates of VRE colonization in patients admitted to PICU was 18.6%. The majority of the isolates were Enterococcus faecium (75.6%) followed by Enterococcus faecalis (24.4%). One patient acquired a VRE bloodstream infection (2.6%) among colonized patients, and none of the noncolonized patients acquired the infection. Consumption of vancomycin was found to be the only risk factor significantly associated with VRE colonization. CONCLUSION Routine surveillance and isolation of patients found to be VRE colonized may not be possible in tertiary care hospitals; however, educating health-care workers, promoting handwashing with antiseptic soaps or solutions, and antibiotic Stewardship policy may help in the reduction of vancomycin resistance and VRE colonization.
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Affiliation(s)
- Rajesh Amberpet
- Department of Microbiology, Division of Pediatric Critical Care, Jawaharlal Institute of Postgraduate Medical Education and Research, Puducherry, India
| | - Sujatha Sistla
- Department of Microbiology, Division of Pediatric Critical Care, Jawaharlal Institute of Postgraduate Medical Education and Research, Puducherry, India
| | - Subhash Chandra Parija
- Department of Microbiology, Division of Pediatric Critical Care, Jawaharlal Institute of Postgraduate Medical Education and Research, Puducherry, India
| | - Ramachandran Rameshkumar
- Department of Pediatrics, Division of Pediatric Critical Care, Jawaharlal Institute of Postgraduate Medical Education and Research, Puducherry, India
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Kelso M, Weideman RA, Cipher DJ, Feagins LA. Factors Associated With Length of Stay in Veterans With Inflammatory Bowel Disease Hospitalized for an Acute Flare. Inflamm Bowel Dis 2017; 24:5-11. [PMID: 29272483 DOI: 10.1093/ibd/izx020] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
BACKGROUND Reducing hospital costs and risk of complications by shortening length of stay has become paramount. The aim of our study was to identify predictors and potentially modifiable factors that influence length of stay among veterans with inflammatory bowel disease admitted for an acute flare. METHODS Retrospective review of patients admitted to the Dallas VA with an acute flare of their inflammatory bowel disease between 2000 and 2015. Patients with a length of stay of ≤4 days were compared with those whose length of stay >4 days. RESULTS A total of 180 admissions involving 113 patients (59 with ulcerative colitis and 54 with Crohn's disease) were identified meeting inclusion criteria. The mean length of stay was 5.3 ± 6.8 days, and the median length of stay was 3.0 days. On multiple logistic regression analysis, initiation of a biologic, having undergone 2 or more imaging modalities, and treatment with intravenous steroids were significant predictors of longer lengths of stay, even after controlling for age and comorbid diseases. CONCLUSIONS We identified several predictors for longer hospital length of stay, most related to disease severity but several of which may be modifiable to reduce hospital stays, including most importantly consideration of earlier prebiologic testing. Future studies are needed to evaluate the impact of interventions targeting modifiable predictors of length of stay on health care utilization and patient outcomes.
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Affiliation(s)
- Michael Kelso
- Department of Medicine, VA North Texas Healthcare System, Dallas, Texas.,Department of Medicine, University of Texas Southwestern Medical Center, Dallas, Texas
| | | | - Daisha J Cipher
- College of Nursing and Health Innovation, University of Texas at Arlington, Arlington, Texas
| | - Linda A Feagins
- Department of Medicine, VA North Texas Healthcare System, Dallas, Texas.,Department of Medicine, University of Texas Southwestern Medical Center, Dallas, Texas
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9
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Lloyd-Smith P. Controlling for endogeneity in attributable costs of vancomycin-resistant enterococci from a Canadian hospital. Am J Infect Control 2017; 45:e161-e164. [PMID: 29056328 DOI: 10.1016/j.ajic.2017.08.044] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2017] [Revised: 08/29/2017] [Accepted: 08/30/2017] [Indexed: 12/21/2022]
Abstract
BACKGROUND Decisions regarding the optimal provision of infection prevention and control resources depend on accurate estimates of the attributable costs of health care-associated infections. This is challenging given the skewed nature of health care cost data and the endogeneity of health care-associated infections. The objective of this study is to determine the hospital costs attributable to vancomycin-resistant enterococci (VRE) while accounting for endogeneity. METHODS This study builds on an attributable cost model conducted by a retrospective cohort study including 1,292 patients admitted to an urban hospital in Vancouver, Canada. Attributable hospital costs were estimated with multivariate generalized linear models (GLMs). To account for endogeneity, a control function approach was used. RESULTS The analysis sample included 217 patients with health care-associated VRE. In the standard GLM, the costs attributable to VRE are $17,949 (SEM, $2,993). However, accounting for endogeneity, the attributable costs were estimated to range from $14,706 (SEM, $7,612) to $42,101 (SEM, $15,533). Across all model specifications, attributable costs are 76% higher on average when controlling for endogeneity. CONCLUSIONS VRE was independently associated with increased hospital costs, and controlling for endogeneity lead to higher attributable cost estimates.
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10
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Incidence and Outcomes Associated With Infections Caused by Vancomycin-Resistant Enterococci in the United States: Systematic Literature Review and Meta-Analysis. Infect Control Hosp Epidemiol 2016; 38:203-215. [DOI: 10.1017/ice.2016.254] [Citation(s) in RCA: 71] [Impact Index Per Article: 8.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
BACKGROUNDInformation about the health and economic impact of infections caused by vancomycin-resistant enterococci (VRE) can inform investments in infection prevention and development of novel therapeutics.OBJECTIVETo systematically review the incidence of VRE infection in the United States and the clinical and economic outcomes.METHODSWe searched various databases for US studies published from January 1, 2000, through June 8, 2015, that evaluated incidence, mortality, length of stay, discharge to a long-term care facility, readmission, recurrence, or costs attributable to VRE infections. We included multicenter studies that evaluated incidence and single-center and multicenter studies that evaluated outcomes. We kept studies that did not have a denominator or uninfected controls only if they assessed postinfection length of stay, costs, or recurrence. We performed meta-analysis to pool the mortality data.RESULTSFive studies provided incidence data and 13 studies evaluated outcomes or costs. The incidence of VRE infections increased in Atlanta and Detroit but did not increase in national samples. Compared with uninfected controls, VRE infection was associated with increased mortality (pooled odds ratio, 2.55), longer length of stay (3-4.6 days longer or 1.4 times longer), increased risk of discharge to a long-term care facility (2.8- to 6.5-fold) or readmission (2.9-fold), and higher costs ($9,949 higher or 1.6-fold more).CONCLUSIONSVRE infection is associated with large attributable burdens, including excess mortality, prolonged in-hospital stay, and increased treatment costs. Multicenter studies that use suitable controls and adjust for time at risk or confounders are needed to estimate the burden of VRE infections.Infect Control Hosp Epidemiol. 2017;38:203–215
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11
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Min BW. Efforts to Prevent Surgical Site Infection After Colorectal Surgery. Ann Coloproctol 2016; 31:211-2. [PMID: 26817015 PMCID: PMC4724701 DOI: 10.3393/ac.2015.31.6.211] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/09/2022] Open
Affiliation(s)
- Byung Wook Min
- Division of Colorectal Surgery, Department of Surgery, Korea University Guro Hospital, Korea University College of Medicine, Seoul, Korea
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Abstract
Although originally described in Staphylococcus aureus, resistance among bacteria has now become a race to determine which classes of bacteria will become more resistant. Availability of antibacterial agents has allowed the development of entirely new diseases caused by nonbacterial pathogens, related largely to fungi that are inherently resistant to antibacterials. This article presents the growing body of knowledge of the herpes family of viruses, and their occurrence and consequences in patients with concomitant surgical disease or critical illness. The focus is on previously immunocompetent patients, as the impact of herpes viruses in immunosuppressed patients has received thorough coverage elsewhere.
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Affiliation(s)
- Christopher A Guidry
- Division of Acute Care Surgery and Outcomes Research, Department of Surgery, University of Virginia, Charlottesville, VA 22908, USA
| | - Sara A Mansfield
- Division of Trauma, Critical Care, and Burn, Department of Surgery, The Ohio State University College of Medicine, Columbus, OH 43210, USA
| | - Robert G Sawyer
- Division of Acute Care Surgery and Outcomes Research, Department of Surgery, University of Virginia, Charlottesville, VA 22908, USA
| | - Charles H Cook
- Division of Acute Care Surgery, Trauma and Surgical Critical Care, Department of Surgery, Beth Israel Deaconess Medical Center, Harvard Medical School, 110 Francis Street, Lowry 2G, Boston, MA 02215, USA.
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Cheah ALY, Peel T, Howden BP, Spelman D, Grayson ML, Nation RL, Kong DCM. Case-case-control study on factors associated with vanB vancomycin-resistant and vancomycin-susceptible enterococcal bacteraemia. BMC Infect Dis 2014; 14:353. [PMID: 24973797 PMCID: PMC4091649 DOI: 10.1186/1471-2334-14-353] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2013] [Accepted: 06/18/2014] [Indexed: 11/25/2022] Open
Abstract
Background Enterococci are a major cause of healthcare-associated infection. In Australia, vanB vancomycin-resistant enterococci (VRE) is the predominant genotype. There are limited data on the factors linked to vanB VRE bacteraemia. This study aimed to identify factors associated with vanB VRE bacteraemia, and compare them with those for vancomycin-susceptible enterococci (VSE) bacteraemia. Methods A case-case-control study was performed in two tertiary public hospitals in Victoria, Australia. VRE and VSE bacteraemia cases were compared with controls without evidence of enterococcal bacteraemia, but may have had infections due to other pathogens. Results All VRE isolates had vanB genotype. Factors associated with vanB VRE bacteraemia were urinary catheter use within the last 30 days (OR 2.86, 95% CI 1.09-7.53), an increase in duration of metronidazole therapy (OR 1.65, 95% CI 1.17-2.33), and a higher Chronic Disease Score specific for VRE (OR 1.70, 95% CI 1.05-2.77). Factors linked to VSE bacteraemia were a history of gastrointestinal disease (OR 2.29, 95% CI 1.05-4.99) and an increase in duration of metronidazole therapy (OR 1.23, 95% CI 1.02-1.48). Admission into the haematology/oncology unit was associated with lower odds of VSE bacteraemia (OR 0.08, 95% CI 0.01-0.74). Conclusions This is the largest case-case-control study involving vanB VRE bacteraemia. Factors associated with the development of vanB VRE bacteraemia were different to those of VSE bacteraemia.
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Affiliation(s)
| | | | | | | | | | | | - David C M Kong
- Centre for Medicine Use and Safety, Monash University, 381 Royal Parade, Parkville, Victoria, Australia.
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14
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Abstract
Colon and rectal resections are among the most common surgical procedures performed in the United States. Complication rates of up to 25% have been reported and result in a substantial impact on quality of life and cost of care. Recently, the Surgical Care Improvement Program (SCIP) has promoted guidelines to prevent postoperative and potentially preventable complications. A comprehensive evidenced-based review of these guidelines and other perioperative strategies for practicing colorectal surgeons is the basis of this review.
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Affiliation(s)
- Juan Lucas Poggio
- Department of Surgery, Drexel University College of Medicine, Philadelphia, Pennsylvania
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15
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Financial impact of health care-associated infections: When money talks. CANADIAN JOURNAL OF INFECTIOUS DISEASES & MEDICAL MICROBIOLOGY 2014; 25:71-4. [PMID: 24855473 DOI: 10.1155/2014/279794] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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16
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Prevalence and incidence of antimicrobial-resistant organisms among hospitalized inflammatory bowel disease patients. CANADIAN JOURNAL OF INFECTIOUS DISEASES & MEDICAL MICROBIOLOGY 2014; 24:e117-21. [PMID: 24489571 DOI: 10.1155/2013/609230] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Abstract
BACKGROUND Patients with inflammatory bowel disease (IBD) experience frequent hospitalizations and use of immunosuppressive medications, which may predispose them to colonization with antimicrobial-resistant organisms (ARO). OBJECTIVE To determine the prevalence of ARO colonization on admission to hospital and the incidence of infection during hospitalization among hospitalized IBD patients. METHODS A chart review comparing the prevalence of colonization and incidence of infection with methicillin-resistant Staphylococcus aureus, vancomycin-resistant enterococci and extended-spectrum beta-lactamase-producing Enterobacteriaceae (ESBL) in hospitalized IBD patients with those of non-IBD controls was performed. RESULTS On admission, there were no significant differences between IBD inpatients and controls in the prevalence of colonization of methicillin-resistant S aureus (1.0% versus 1.2%; P=0.74), vancomycin-resistant enterococci (0.2% versus 0%; P=1.0) or ESBL (4.1% versus 5.5%; P=0.33). Pooling data from historical clinic-based cohorts, IBD patients were more likely than controls to have ESBL colonization (19% versus 6.6%; P<0.05). Antibiotic use on admission was associated with ESBL colonization among IBD inpatients (OR 4.2 [95% CI 1.4 to 12.6]). The incidence of ARO infections during hospitalization was not significantly different between IBD patients and controls. Among IBD patients who acquired ARO infections during hospitalizations, the mean time interval from admission to infection was shorter for those who were already colonized with ARO on admission. CONCLUSIONS This particular population of hospitalized IBD patients was not shown to have a higher prevalence or incidence of ARO colonization or infection compared with non-IBD inpatients.
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Weizman AV, Nguyen GC. Quality of care delivered to hospitalized inflammatory bowel disease patients. World J Gastroenterol 2013; 19:6360-6366. [PMID: 24151354 PMCID: PMC3801306 DOI: 10.3748/wjg.v19.i38.6360] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/29/2013] [Revised: 07/24/2013] [Accepted: 08/06/2013] [Indexed: 02/06/2023] Open
Abstract
Hospitalized patients with inflammatory bowel disease (IBD) are at high risk for morbidity, mortality, and health care utilization costs. While the literature on trends in hospitalization rates for this disease is conflicting, there does appear to be significant variation in the delivery of care to this complex group, which may be a marker of suboptimal quality of care. There is a need for improvement in identifying patients at risk for hospitalization in an effort to reduce admissions. Moreover, appropriate screening for a number of hospital acquired complications such as venous thromboembolism and Clostridium difficile infection is suboptimal. This review discusses areas of inpatient care for IBD patients that are in need of improvement and outlines a number of potential quality improvement initiatives such as pay-for-performance models, quality improvement frameworks, and healthcare information technology.
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Economic analysis of vancomycin-resistant enterococci at a Canadian hospital: assessing attributable cost and length of stay. J Hosp Infect 2013; 85:54-9. [PMID: 23920443 DOI: 10.1016/j.jhin.2013.06.016] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2013] [Accepted: 06/30/2013] [Indexed: 01/25/2023]
Abstract
BACKGROUND Competing resource demands have resulted in the de-escalation of vancomycin-resistant enterococcus (VRE) control programmes in some Canadian healthcare centres. AIM To determine the attributable costs and length of stay (LOS) of VRE colonizations/infections in an acute care hospital in Canada. METHODS Surveillance and financial hospital-based databases were used to conduct analyses with cases and controls from fiscal year 2008-2009 (1 April 2008 to 31 March 2009) at an acute care hospital in downtown Vancouver, Canada. A statistical analysis of attributable costs and LOS was conducted using a generalized linear model. In a secondary analysis, differences in costs and LOS were examined for VRE infections versus colonizations. FINDINGS A total of 217 patients with VRE and a random sample of 1075 patients without VRE were examined. VRE has a positive and significant impact on patient hospitalization costs and LOS. Overall, the presence of VRE increased the estimated mean cost per patient by 61.9% (95% confidence interval: 42.3-84.3) in relative terms and $17,949 (13,949-21,464) in absolute Canadian dollars. For LOS, the attributable number of days associated with a VRE case mean was 68.0% (41.9-98.9) higher in relative terms and 13.8 days (10.0-16.9) in absolute days. In the secondary analysis comparing VRE infection and colonization costs, no statistically significant difference was found. CONCLUSIONS Based on this analysis, the attributable cost and LOS of VRE are considerable. These factors should be considered before de-escalation of a hospital VRE control programme.
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Navaneethan U, Parasa S, Venkatesh PGK, Ganapathi TT, Kiran RP, Shen B. Impact of inflammatory bowel disease on post-cholecystectomy complications and hospitalization costs: a Nationwide Inpatient Sample study. J Crohns Colitis 2013; 7:e164-70. [PMID: 22959005 DOI: 10.1016/j.crohns.2012.07.032] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/12/2012] [Revised: 07/19/2012] [Accepted: 07/30/2012] [Indexed: 02/08/2023]
Abstract
BACKGROUND AND AIM Our previous single-center study showed that patients with underlying inflammatory bowel disease (IBD) had a higher risk for post-cholecystectomy complications. The aim of the current population-based study was to verify whether concomitant IBD was indeed associated with an increased risk of post-cholecystectomy complications. METHODS In this cross-sectional study, all 1,155,432 patients from the Nationwide Inpatient Sample (NIS) with a primary procedure of cholecystectomy were examined, and 5891 patients with IBD were compared with 1,149,541 patients without IBD from 2006 to 2008. RESULTS There were no significant differences in age, gender, frequency of obesity, and post-operative mortality between the two groups. More patients in the IBD group had post-operative complications than the non-IBD group [398/5891 (6.8%) vs. 55,202/1,149,541 (4.8%), p=0.002)]. On multivariate analysis, the presence of Crohn's disease (CD) was associated with an increased risk for post-operative complications (odds ratio [OR]=1.6; 95% confidence interval [CI], 1.2-2.1, p=0.003). The other risk factors for post-cholecystectomy complications were older age, male gender, African-American race, malnutrition and patients with higher co-morbidity index. The presence of ulcerative colitis (UC) was associated with a trend for increased complications (OR=1.3, 95% CI 0.8-2.1, p=0.08). Patients with IBD who underwent cholecystectomy incurred higher mean hospital costs ($39,651 vs. $35,196, p=0.006) and also stayed in the hospital 1.2 days longer than those without underlying IBD. CONCLUSIONS CD patients undergoing cholecystectomy were shown to have a significantly increased risk for postoperative complications, have a longer stay in the hospital, and incur higher hospitalization costs.
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Affiliation(s)
- Udayakumar Navaneethan
- Department of Gastroenterology, Digestive Disease Institute, The Cleveland Clinic Foundation, Cleveland, OH 44195, USA
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Ananthakrishnan AN, McGinley EL. Infection-related hospitalizations are associated with increased mortality in patients with inflammatory bowel diseases. J Crohns Colitis 2013; 7:107-12. [PMID: 22440891 DOI: 10.1016/j.crohns.2012.02.015] [Citation(s) in RCA: 137] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/23/2012] [Revised: 02/21/2012] [Accepted: 02/22/2012] [Indexed: 02/08/2023]
Abstract
INTRODUCTION Serious infections are an important side effect of immunosuppressive therapy used to treat Crohn's disease (CD) and ulcerative colitis (UC). There have been no nationally representative studies examining the spectrum of infection related hospitalizations in patients with IBD. METHODS Our study consisted of all adult CD and UC related hospitalizations from the Nationwide Inpatient Sample 2007, a national hospitalization database in the United States. We then identified all infection-related hospitalizations through codes for either the specific infections or disease processes (sepsis, pneumonia, etc.). Predictors of infections as well as the excess morbidity associated with infections were determined using multivariate regression models. RESULTS There were an estimated 67,221 hospitalizations related to infections in IBD patients, comprising 27.5% of all IBD hospitalizations. On multivariate analysis, infections were independently associated with age, co-morbidity, malnutrition, TPN, and bowel surgery. Infection-related hospitalizations had a four-fold greater mortality (OR 4.4, 95% CI 3.7-5.2). However, this varied by type of infection with the strongest effect seen for sepsis (OR 15.3, 95% CI 12.4-18.6), pneumonia (OR 3.6, 95% CI 2.9-4.5) and C. difficile (OR 3.2, 95% CI 2.6-4.0), and weaker effects for urinary infections (OR 1.4, 95%CI 1.1-1.7). Infections were also associated with an estimated 2.3 days excess hospital stay (95% CI 2.2-2.5) and $12,482 in hospitalization charges. CONCLUSION Infections account for significant morbidity and mortality in patients with IBD and disproportionately impact older IBD patients with greater co-morbidity. Pneumonia, sepsis and C difficile infection are associated with the greatest excess mortality risk.
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Nguyen GC. Tip of the iceberg? The emergence of antibiotic-resistant organisms in the IBD population. Gut Microbes 2013; 3:434-6. [PMID: 22713268 DOI: 10.4161/gmic.20870] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/03/2023] Open
Abstract
Inflammatory bowel disease (IBD) patients have risk factors for acquisition of antibiotic-resistant organisms such as MRSA. In a recent study, we have shown a rising prevalence of MRSA infection among hospitalized IBD patients. This population is at increased risk of infection and its associated mortality. These findings underscore the need for infection control measures in the hospital setting.
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Affiliation(s)
- Geoffrey C Nguyen
- Mount Sinai Hospital Centre for Inflammatory Bowel Disease, University of Toronto, Toronto, Canada.
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22
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Łysakowska ME, Denys A, Klimek L, Ciebiada-Adamiec A, Sienkiewicz M. The Activity of Silver Nanoparticles (Axonnite) on Clinical and Environmental Strains ofEnterococcusspp. Microb Drug Resist 2013; 19:21-9. [DOI: 10.1089/mdr.2012.0052] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023] Open
Affiliation(s)
| | - Andrzej Denys
- Medical and Sanitary Microbiology Department, Medical University of Lodz, Lodz, Poland
| | - Leszek Klimek
- Department of Materials Investigation, Technical University of Lodz, Lodz, Poland
- Dentistry Technics Department, Medical University of Lodz, Lodz, Poland
| | - Anna Ciebiada-Adamiec
- Medical Diagnostic Laboratory Center, Polish Mother's Memorial Hospital, Lodz, Poland
| | - Monika Sienkiewicz
- Medical and Sanitary Microbiology Department, Medical University of Lodz, Lodz, Poland
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Navaneethan U, Choure A, Venkatesh PGK, Hammel J, Lin J, Goldblum JR, Manilich E, Kiran RP, Remzi FH, Shen B. Presence of concomitant inflammatory bowel disease is associated with an increased risk of postcholecystectomy complications. Inflamm Bowel Dis 2012; 18:1682-8. [PMID: 22069246 DOI: 10.1002/ibd.21917] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/08/2011] [Accepted: 09/14/2011] [Indexed: 12/13/2022]
Abstract
BACKGROUND Surgery in patients with inflammatory bowel disease (IBD) is often associated with complications. The aim of our study was to evaluate whether concomitant IBD was associated with an increased risk of postcholecystectomy complications. METHODS The study group consisted of 82 consecutive IBD patients who underwent cholecystectomy from January 2001 to October 2010. The control group included 296 cholecystectomy patients without IBD who were randomly selected from the cholecystectomy database. Variables were analyzed by univariate and multivariate analyses. RESULTS There were no significant differences in age, gender, body mass index, presence of gallstones/common bile duct stones, indication for cholecystectomy, and postoperative mortality between the study and control groups. More patients in the study group had postoperative complications than in the control group (17.1% vs. 6.8%, P = 0.005). On multivariate analysis, the presence of concomitant IBD was independently associated with an increased risk for postoperative complications (odds ratio [OR] = 4.64; 95% confidence interval [CI], 1.63-13.20, P = 0.004) after adjusting for age, the presence of cirrhosis, diabetes, body mass index, the use of corticosteroids, immunomodulators, total parental nutrition, or biologics, the presence of primary sclerosing cholangitis (PSC), acute or chronic cholecystitis, cholelithiasis, or prior abdominal surgeries, and indication for surgery (elective vs. emergent). CONCLUSIONS IBD patients undergoing cholecystectomy have a significantly increased risk of postoperative complications. Although further studies are warranted to clarify the reason for these differences, caution should be taken to determine the need and timing of cholecystectomy in IBD patients.
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Affiliation(s)
- Udayakumar Navaneethan
- Department of Gastroenterology and Hepatology, Digestive Disease Institute, Cleveland Clinic Foundation, Cleveland, Ohio 44195, USA
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Leung W, Malhi G, Willey BM, McGeer AJ, Borgundvaag B, Thanabalan R, Gnanasuntharam P, Le B, Weizman AV, Croitoru K, Silverberg MS, Steinhart AH, Nguyen GC. Prevalence and predictors of MRSA, ESBL, and VRE colonization in the ambulatory IBD population. J Crohns Colitis 2012; 6:743-9. [PMID: 22398097 DOI: 10.1016/j.crohns.2011.12.005] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/08/2011] [Revised: 12/08/2011] [Accepted: 12/09/2011] [Indexed: 02/08/2023]
Abstract
BACKGROUND AND AIMS Inflammatory bowel disease (IBD) patients may be at increased risk of acquiring antibiotic-resistant organisms (ARO). We sought to determine the prevalence of colonization of methicillin-resistant Staphylococcus aureus (MRSA), Enterobacteriaceae containing extended spectrum beta-lactamases (ESBL), and vancomycin-resistant enterococi (VRE) among ambulatory IBD patients. METHODS We recruited consecutive IBD patients from clinics (n=306) and 3 groups of non-IBD controls from our colon cancer screening program (n=67), the family medicine clinic (n=190); and the emergency department (n=428) from the same medical center in Toronto. We obtained nasal and rectal swabs for MRSA, ESBL, and VRE and ascertained risk factors for colonization. RESULTS Compared to non-IBD controls, IBD patients had similar prevalence of colonization with MRSA (1.5% vs. 1.6%), VRE (0% vs. 0%), and ESBL (9.0 vs. 11.1%). Antibiotic use in the prior 3 months was a risk factor for MRSA (OR, 3.07; 95% CI: 1.10-8.54), particularly metronidazole. Moreover, gastric acid suppression was associated with increased risk of MRSA colonization (adjusted OR, 7.12; 95% CI: 1.07-47.4). Predictive risk factors for ESBL included hospitalization in the past 12 months (OR, 2.04, 95% CI: 1.05-3.95); treatment with antibiotics it the past 3 months (OR, 2.66; 95% CI: 1.37-5.18), particularly prior treatment with vancomycin or cephalosporins. CONCLUSIONS Ambulatory IBD patients have similar prevalence of MRSA, ESBL and VRE compared to non-IBD controls. This finding suggests that the increased MRSA and VRE prevalence observed in hospitalized IBD patients is acquired in-hospital rather than in the outpatient setting.
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Affiliation(s)
- Wesley Leung
- Mount Sinai Hospital Centre for Inflammatory Bowel Disease, University of Toronto, ON, Canada
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Abstract
PURPOSE OF REVIEW Antimicrobial resistance and a paucity of new antimicrobial agents are ongoing challenges. This review focuses on the major epidemiologic trends and novel treatments, when available, for methicillin-resistant Staphylococcus aureus (MRSA), vancomycin-resistant enterococcus, Clostridium difficile, and multidrug-resistant Gram-negative bacilli in the United States during 2010-2011. RECENT FINDINGS MRSA bloodstream infection rates have declined, primarily due to interventions aimed at decreasing vascular catheter infections. The proportion of MRSA due to the community-associated strain USA300 continues to increase. Recent studies of active surveillance and contact isolation for MRSA prevention provide conflicting views of efficacy. Two novel treatments for recurrent C. difficile infection, monoclonal antibodies and fidaxomicin, show promising results. Antimicrobial resistance among Gram-negative bacilli has become widespread; extended-spectrum beta-lactamases are now commonly found among Escherichia coli causing community-acquired infections in the United States. Klebsiella pneumoniae carbapenemases have spread beyond the northeast, and the New Delhi metallo-beta-lactamase has been reported in multiple countries within a few years of its discovery. SUMMARY Antimicrobial resistance, particularly among Gram-negative bacilli, continues to increase at a rapid rate. Given the frequent transfer of patients between outpatient and acute care settings, as well as between different geographic regions, coordinated infection control interventions are warranted.
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