Risk factors for Clostridioides difficile colonization among hospitalized adults: A meta-analysis and systematic review

Author(s):  
Scott Anjewierden ◽  
Zheyi Han ◽  
Adam M. Brown ◽  
Curtis J. Donskey ◽  
Abhishek Deshpande

Abstract Objective: To identify risk factors for asymptomatic Clostridioides difficile colonization among hospitalized adults utilizing a meta-analysis, which may enable early identification of colonized patients at risk of spreading C. difficile. Design: Meta-analysis and systematic review. Methods: We systematically searched MEDLINE, Scopus, Web of Science, and EMBASE from January 1, 1975, to February 15, 2020, for articles related to C. difficile colonization among hospitalized adults. Studies with multivariable analyses evaluating risk factors for asymptomatic colonization were eligible. Results: Among 5,506 studies identified in the search, 19 studies met the inclusion criteria. Included studies reported 20,334 adult patients of whom 1,588 were asymptomatically colonized with C. difficile. Factors associated with an increased risk of colonization were hospitalization in the previous 6 months (OR, 2.18; 95% CI, 1.86–2.56; P < .001), use of gastric acid suppression therapy within the previous 8 weeks (OR, 1.42; 95% CI, 1.17–1.73; P < .001), tube feeding (OR, 2.02; 95% CI, 1.06–3.85; P = .03), and corticosteroid use in the previous 8 weeks (OR, 1.58; 95% CI, 1.14–2.17; P = .006). Receipt of antibiotics in the previous 3 months (OR, 1.37; 95% CI, 0.94–2.01; P = .10) was not associated with statistically significant effects on risk of colonization. Conclusions: C. difficile colonization was significantly associated with previous hospitalization, gastric acid suppression, tube feeding, and corticosteroid use. Recognition of these risk factors may assist in identifying asymptomatic carriers of C. difficile and taking appropriate measures to reduce transmission.

2019 ◽  
Vol 6 (Supplement_2) ◽  
pp. S817-S818
Author(s):  
Adam M Brown ◽  
Scott Anjewierden ◽  
Abhishek Deshpande

Abstract Background Clostridioides difficile is one of the most common causes of healthcare-associated infections in the United States. The prevalence of asymptomatic C. difficile colonization has been demonstrated to range from 3 to 21% for hospitalized adults. Patients colonized with C. difficile may serve as potential reservoirs for transmission of C. difficile infection (CDI) within inpatient units. The purpose of this meta-analysis was to identify the risk factors for colonization at hospital admission among adult patients, to inform strategies for infection prevention. Methods We searched MEDLINE, Scopus, Web of Science, and Embase from inception to 2019 for articles related to C. difficile colonization on hospital admission. Studies with multivariate analyses evaluating risk factors for asymptomatic colonization in adult inpatients were eligible. Odds ratios were pooled using a random effects model. Study quality and publication bias analyses were also conducted. Results Among 2,982 studies identified in the search, 21 studies met the inclusion criteria. Included studies reported 18,468 adult patients of which 1,243 were asymptomatically colonized with C.difficile. Factors associated with an increased risk of colonization were CDI in the last 3 months (OR 4.18, 95% CI 2.56–6.82, I2 = 0%), hospitalization in the last 6 months (OR 2.45, 95% CI 2.06–2.92, I2 = 0%) and use of gastric acid suppression therapy within the last 8 weeks (OR 1.46, 95% CI 1.17–1.73, I2 = 1%). Receipt of antibiotics in the last 3 months (OR 1.37, 95% CI 0.94–2.01, I2 = 48%) and use of non-steroidal anti-inflammatory drugs (OR 0.90, 95% CI 0.52–1.55, I2 = 65%) were not associated with statistically significant effects on risk of colonization. There were insufficient studies to determine the association between most antibiotic classes and the risk of colonization. Conclusion C.difficile colonization on hospital admission was significantly associated with previous CDI, recent hospitalization, and gastric acid suppression therapy. Recognition of these risk factors may assist in identifying potential carriers of C. difficile. These findings also emphasize the importance of judicious use of gastric acid suppression and other preventative measures in reducing C. difficile acquisition. Disclosures All authors: No reported disclosures.


2021 ◽  
Author(s):  
Andrew Spurr ◽  
Wei Zhu ◽  
Wendy Wong ◽  
Bernadette Diez ◽  
Ian Leibowitz ◽  
...  

Gastric acid suppressing medications have been associated with an increased risk of Clostridioides difficile (C. difficile) infection, hypothesized to be due to underlying intestinal microbiome changes. Our goal is to characterize these changes in children as their microbiome is undergoing critical development. Our study included 5 children (< 3 years old) who were started on clinically indicated gastric acid suppression and 15 healthy age-matched controls. Stool samples were collected before and after 2 months of treatment. We analyzed the microbiome using 16S rRNA sequencing. Quantitative-PCR was used to detect C. difficile toxins. Subjects and controls had similar alpha and beta diversity. We found no significant change in alpha or beta diversity of subjects after treatment. C. difficile toxins were not found and there was no increase in C. difficile carriage after treatment. A significant increase in Lactobacillus was found after treatment, which has been associated with C. difficile in adults.


Author(s):  
Palna Mehta ◽  
Ronald G Nahass ◽  
Luigi Brunetti

Abstract Background Studies have had conflicting results regarding the influence of acid-suppression medications (ASMs) during hospitalization on the recurrence of Clostridioides difficile infection (CDI). Methods A systematic review and meta-analysis investigating the association between recurrent CDI and ASM use in inpatients was performed. Relevant literature was identified using Medline, Google Scholar, and Web of Science. All human studies were considered regardless of publication date. Case-control and cohort studies and clinical trials were included if they contained the necessary information to calculate appropriate statistics related to the objective of this study. Review articles, meta-analyses, and commentaries were excluded; however, their references were searched to identify any studies missed. The random-effects model was selected since significant heterogeneity in study design was identified. To evaluate the sensitivity of the analysis various subgroup analyses were performed. Results Our search identified 9 studies involving 5668 patients of whom 1003 (17.7%) developed recurrent CDI. Patients on ASM were 64% more likely to develop recurrent CDI than patients not on ASM (OR, 1.64; 95% CI, 1.13–2.38; P = .009; I2 = 79.54%). Proton pump inhibitor (PPI) use was associated with an 84% increased risk of recurrent CDI versus no ASM (OR, 1.84; 95% CI, 1.18–2.85; P = .007; I2 = 83.4%). Conclusions ASM use during hospitalization was associated with a 64% increase in recurrent CDI. The association was greater with PPI use. Due to significant heterogeneity in the analyses, additional studies are essential to further elucidate iatrogenic effects of ASM. Unnecessary PPI use should be discontinued.


2018 ◽  
Vol 39 (3) ◽  
pp. 297-301 ◽  
Author(s):  
Anthony D. Harris ◽  
Alyssa N. Sbarra ◽  
Surbhi Leekha ◽  
Sarah S. Jackson ◽  
J. Kristie Johnson ◽  
...  

OBJECTIVETo analyze whether electronically available comorbid conditions are risk factors for Centers for Disease Control and Prevention (CDC)-defined, hospital-onset Clostridium difficile infection (CDI) after controlling for antibiotic and gastric acid suppression therapy use.PATIENTSPatients aged ≥18 years admitted to the University of Maryland Medical Center between November 7, 2015, and May 31, 2017.METHODSComorbid conditions were assessed using the Elixhauser comorbidity index. The Elixhauser comorbidity index and the comorbid condition components were calculated using the International Classification of Disease, Tenth Revision, Clinical Modification (ICD-10-CM) codes extracted from electronic medical records. Bivariate associations between CDI and potential covariates for multivariable regression, including antibiotic use, gastric acid suppression therapy use, as well as comorbid conditions, were estimated using log binomial multivariable regression.RESULTSAfter controlling for antibiotic use, age, proton-pump inhibitor use, and histamine-blocker use, the Elixhauser comorbidity index was a significant risk factor for predicting CDI. There was an increased risk of 1.26 (95% CI, 1.19–1.32) of having CDI for each additional Elixhauser point added to the total Elixhauser score.CONCLUSIONSAn increase in Elixhauser score is associated with CDI. Our study and other studies have shown that comorbid conditions are important risk factors for CDI. Electronically available comorbid conditions and scores like the Elixhauser index should be considered for risk-adjustment of CDC CDI rates.Infect Control Hosp Epidemiol 2018;39:297–301


BMJ Open ◽  
2017 ◽  
Vol 7 (12) ◽  
pp. e019468 ◽  
Author(s):  
Bongani Brian Nkambule ◽  
Zibusiso Mkandla ◽  
Tinashe Mutize ◽  
Phiwayinkosi Vusi Dludla

IntroductionThe incidence of cardiovascular disease (CVD) is now at least threefold higher in HIV-infected patients as compared with the general population. Although platelet activation and reactivity are implicated in the development of CVDs in HIV-infected patients, its precise role remains inconclusive. We aim to assess the association between platelet activation and selected cardiovascular risk factors in HIV-1-infected individuals on highly active antiretroviral treatment (HAART).MethodsThis will be a systematic review and meta-analysis of published studies evaluating the association between platelet activation and CVD risk factors in HAART-treated adults. The search strategy will include medical subject headings words for MEDLINE, and this will be adapted to Embase search headings (Emtree) terms for the EMBASE database. The search will cover literature published between 1 January 1996 to 30 April 2017. Studies will be independently screened by two reviewers using predefined criteria. Relevant eligible full texts will be screened; data will be extracted, and a qualitative synthesis will be conducted. Data extraction will be performed using Review Manager V.5.3. To assess the quality and strengths of evidence across selected studies, the Grading of Recommendations Assessment Development and Evaluation approach will be used. The Cochran’s Q statistic and the I2statistics will be used to analyse statistical heterogeneity between studies. If included studies show high levels of homogeneity, a random effects meta-analysis will be performed using R statistical software.Ethics and disseminationThis will be a review of existing studies and will not require ethical approval. The findings will be disseminated through peer-reviewed publication and presented at local and international conferences. An emerging patient management dilemma is that of the increased incidence of CVD in people living with HIV on HAART. This review may inform treatment and cardiovascular risk stratification of HIV-infected patients at increased risk of developing CVD.PROSPERO registration numberCRD42017062393.


2021 ◽  
Vol 42 (Supplement_1) ◽  
Author(s):  
M Proietti ◽  
G.F Romiti ◽  
V Raparelli ◽  
I Diemberger ◽  
G Boriani ◽  
...  

Abstract Background Frailty is a clinical syndrome characterized by a reduced physiologic function, increased vulnerability to stressors, and an increased risk of adverse outcomes. Patients with Atrial Fibrillation (AF) are often burdened with a high number of comorbidities and prone to frailty. The prevalence of frailty, its management and association with major outcomes in patients with AF are still unclear. Purpose To estimate the pooled prevalence of frailty in patients with AF, as well as its association with AF-related risk factors and comorbidities, oral anticoagulants (OAC) prescription, and major outcomes. Methods We systematically searched PubMed and EMBASE, from inception to 31st January 2021, for studies reporting the prevalence of frailty (irrespective of the tool used for assessment). Pooled prevalence, odds ratio (OR), and 95% Confidence Intervals (CI) were computed using random-effect models; heterogeneity was assessed through the inconsistency index (I2). This study was registered in PROSPERO: CRD42021235854. Results A total of 1,116 studies were retrieved from the literature search, and 31 were finally included in the systematic review (n=842,521 patients). The frailty pooled prevalence was 39.6% (95% CI=29.2%-51.0%, I2=100%; Figure 1). Significant subgroup differences were observed according to geographical location (higher prevalence found in European-based cohorts; p=0.003) and type of tool used for the assessment (higher prevalence in studies using the Clinical Frailty Scale and Tilburg Frailty Index tools; p&lt;0.001). Meta-regressions showed that study-level mean age and prevalence of hypertension, diabetes, and history of stroke were directly associated with frailty prevalence. Frailty was significantly associated with a 29% reduced probability of OAC prescription in observational studies (OR=0.71, 95% CI=0.62–0.81). Frail patients with AF were at higher risk of all-cause death (OR=4.12, 95% CI=3.15–5.41), ischemic stroke (OR=1.55, 95% CI=1.01–2.38), and bleeding (OR=1.55, 95% CI=1.12–2.14), compared to non-frail patients with AF. Conclusions In this systematic review and meta-analysis analysis, the prevalence of frailty was high in patients with AF, and associated with study-level mean age and prevalence of several stroke risk factors. Frailty may influence the management of patients, and worsening the prognosis for all major AF-related outcomes. FUNDunding Acknowledgement Type of funding sources: None. Prevalence of Frailty among AF patients


Author(s):  
Hua Zhang ◽  
Han Han ◽  
Tianhui He ◽  
Kristen E Labbe ◽  
Adrian V Hernandez ◽  
...  

Abstract Background Previous studies have indicated coronavirus disease 2019 (COVID-19) patients with cancer have a high fatality rate. Methods We conducted a systematic review of studies that reported fatalities in COVID-19 patients with cancer. A comprehensive meta-analysis that assessed the overall case fatality rate and associated risk factors was performed. Using individual patient data, univariate and multivariable logistic regression analyses were used to estimate odds ratios (OR) for each variable with outcomes. Results We included 15 studies with 3019 patients, of which 1628 were men; 41.0% were from the United Kingdom and Europe, followed by the United States and Canada (35.7%), and Asia (China, 23.3%). The overall case fatality rate of COVID-19 patients with cancer measured 22.4% (95% confidence interval [CI] = 17.3% to 28.0%). Univariate analysis revealed age (OR = 3.57, 95% CI = 1.80 to 7.06), male sex (OR = 2.10, 95% CI = 1.07 to 4.13), and comorbidity (OR = 2.00, 95% CI = 1.04 to 3.85) were associated with increased risk of severe events (defined as the individuals being admitted to the intensive care unit, or requiring invasive ventilation, or death). In multivariable analysis, only age greater than 65 years (OR = 3.16, 95% CI = 1.45 to 6.88) and being male (OR = 2.29, 95% CI = 1.07 to 4.87) were associated with increased risk of severe events. Conclusions Our analysis demonstrated that COVID-19 patients with cancer have a higher fatality rate compared with that of COVID-19 patients without cancer. Age and sex appear to be risk factors associated with a poorer prognosis.


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