scholarly journals Infection-Related Acute Care Events among Patients with Glomerular Disease

2020 ◽  
Vol 15 (12) ◽  
pp. 1749-1761
Author(s):  
Dorey A. Glenn ◽  
Candace D. Henderson ◽  
Michelle O’Shaughnessy ◽  
Yichun Hu ◽  
Andrew Bomback ◽  
...  
Keyword(s):  
Risk Factors ◽  
Serum Albumin ◽  
Acute Care ◽  
Incidence Rates ◽  
Hazard Ratio ◽  
Glomerular Disease ◽  
Urinary Protein ◽  
Adjusted Hazard Ratio ◽  
Creatinine Ratio

Background and objectivesInfections contribute to patient morbidity and mortality in glomerular disease. We sought to describe the incidence of, and identify risk factors for, infection-related acute care events among Cure Glomerulonephropathy Network (CureGN) study participants.Design, setting, participants, & measurementsCureGN is a prospective, multicenter, cohort study of children and adults with biopsy sample–proven minimal change disease, FSGS, membranous nephropathy, or IgA nephropathy/vasculitis. Risk factors for time to first infection-related acute care events (hospitalization or emergency department visit) were identified using multivariable Cox proportional hazards regression.ResultsOf 1741 participants (43% female, 41% <18 years, 68% White), 163 (9%) experienced infection-related acute care events over a median follow-up of 17 months (interquartile range, 9–26 months). Unadjusted incidence rates of infection-related acute care events were 13.2 and 6.2 events per 100 person-years among pediatric and adult participants, respectively. Among participants with versus without corticosteroid exposure at enrollment, unadjusted incidence rates were 50.6 and 28.6 per 100 person-years, respectively, during the first year of follow-up (adjusted hazard ratio for time to first infection, 1.31; 95% CI, 0.89 to 1.93), and 4.1 and 1.1 per 100 person-years, respectively, after 1 year of follow-up (hazard ratio, 2.99; 95% CI, 1.54 to 5.79). Hypoalbuminemia combined with nephrotic-range proteinuria (serum albumin ≤2.5 g/dl and urinary protein-creatinine ratio >3.5 mg/mg), compared with serum albumin >2.5 g/dl and urinary protein-creatinine ratio ≤3.5 mg/mg, was associated with higher risk of time to first infection (adjusted hazard ratio, 2.49; 95% CI, 1.51 to 4.12).ConclusionsAmong CureGN participants, infection-related acute care events were common and associated with younger age, corticosteroid exposure, and hypoalbuminemia with proteinuria.

Membranous Nephropathy in Pregnancy

2020 ◽  
Vol 51 (4) ◽  
pp. 304-317 ◽  
Author(s):  
Zi-ning Liu ◽  
Zhao Cui ◽  
Ying-dong He ◽  
Yi-miao Zhang ◽  
Fang Wang ◽  
...  
Keyword(s):  
Risk Factors ◽  
Serum Albumin ◽  
Membranous Nephropathy ◽  
Fetal Loss ◽  
Urinary Protein ◽  
Fetal Outcomes ◽  
Child Bearing ◽  
Phospholipase A2 Receptor ◽  
Birth Weight Percentile

Background: Primary membranous nephropathy (pMN) is less common in women of child-bearing age. The kidney risk factors to adverse maternal-fetal outcomes and the effects of pregnancy on pMN process need to be investigated. Methods: We retrospectively screened all the patients with biopsy-proven pMN from 2008 to 2018. Any cases of pregnancy that occurred at the time of pMN diagnosis or during follow-up were included in the study. Clinical and pathological data were collected from all patients at the time of kidney biopsy and their gestational results were recorded. Results: Of the 27 pregnancies with gestational time of 35.9 ± 4.5 weeks, 10 adverse maternal-fetal events occurred, including fetal loss (11%), preterm delivery (26%), and severe preeclampsia (15%). The kidney parameters were relatively stable with all preserved kidney function. Time-averaged urinary protein (p < 0.001) and serum albumin (p < 0.001), maximum urinary protein (p = 0.001) and minimum serum albumin (p = 0.01) before week 20, anti-phospholipase A2 receptor (PLA2R) positivity (p = 0.03), and no remission during pregnancy (p = 0.004) were risk factors to adverse maternal-fetal outcomes. Time-averaged urinary protein and serum albumin correlated with the birth weight percentile of neonates. Conclusions: Pregnancy in pMN patients showed risks to adverse maternal-fetal events. Heavy proteinuria, especially before week 20 of gestation, severe hypoalbuminemia, positive anti-PLA2R, and no remission were risk factors to worse outcomes.

Abstract 12975: Cardiac I-123 Metaiodobenzylguanidine Imaging Predicts the Risk of Cardiac Death in Patients With Chronic Heart Failure, Irrespective of Blood Urea Nitrogen to Creatinine Ratio: A Long-Term Follow Up Study

Circulation ◽  
2015 ◽  
Vol 132 (suppl_3) ◽  
Author(s):  
Hideyuki Hakui ◽  
Takahisa Yamada ◽  
Takashi Motrita ◽  
Yoshio Furukawa ◽  
Shunsuke Tamaki ◽  
...  
Keyword(s):  
Heart Failure ◽  
Chronic Heart Failure ◽  
Blood Urea Nitrogen ◽  
Cardiac Death ◽  
Hazard Ratio ◽  
Adjusted Hazard Ratio ◽  
Mibg Imaging ◽  
Creatinine Ratio ◽  
Urea Nitrogen

Background: Cardiac I-123 metaiodobenzylguanidine (MIBG) imaging, which reflects cardiac sympathetic activity, provides prognostic information in patients with chronic heart failure (CHF). On the other hand, elevated blood urea nitrogen to creatinine ratio (BUN/Cr), a surrogate for renal neurohumoral activation, is associated with poor outcome in patients with heart failure. However, there is no information available on the prognostic value of cardiac MIBG imaging in patients with CHF, relating to BUN/Cr. Methods: We studied 109 CHF outpatients (NYHA class:2.1±0.6, ischemic origin:52%) with left ventricular ejection fraction <40% (30±8%) in our prospective cohort study. At the enrollment, we measured serum level of BUN and Cr, and performed cardiac MIBG scintigraphy. Elevated BUN/Cr was defined as >20. The cardiac MIBG washout rate (WR) was calculated from the chest anterior view images obtained at 20 and 200 min after isotope injection. Abnormal WR was defined as >27%. Results: Forty patients had elevated BUN/Cr, and 55 patients had abnormal WR. During a follow up period of 7.5±4.2 yrs, 36 of 109 patients had cardiac death. At multivariate Cox analysis, WR was significantly independently associated with cardiac death in group with both elevated BUN/Cr (p=0.02) and normal BUN/Cr (p=0.004). Kaplan-Meier analysis showed that patients with abnormal WR had a higher risk of cardiac death than those with normal WR, in group with both elevated BUN/Cr (48%[11/23] vs 6%[1/17], p=0.02, adjusted hazard ratio 11.8[95%CI 1.5-92.2]) and normal BUN/Cr (55%[18/33] vs 17%[6/36], p=0.001, adjusted hazard ratio 4.6[95%CI 1.8-11.6]). Conclusion: The cardiac MIBG imaging could predict the risk of cardiac death in CHF, irrespective of BUN/Cr.

scholarly journals POS1015 ANTI-TNF DRUGS AND CARDIOVASCULAR EVENTS IN PATIENTS WITH SPONDYLOARTHRITIS

2021 ◽  
Vol 80 (Suppl 1) ◽  
pp. 775.2-776
Author(s):  
C. W. S. Chan ◽  
P. H. LI ◽  
C. S. Lau ◽  
H. Y. Chung
Keyword(s):  
Risk Factors ◽  
Psoriatic Arthritis ◽  
Cardiovascular Events ◽  
Clinical Information ◽  
Incidence Rates ◽  
Major Adverse Cardiovascular Events ◽  
Cross Sectional ◽  
Cerebrovascular Events ◽  
Cardiovascular Morbidity And Mortality

Background:Cardiovascular (CVS) diseases are the leading cause of death worldwide and patients with rheumatic diseases have an increased CVS risk including stroke and myocardial infarction (MI) (1-3). CVS risk factors and CVS events are common in SpA (4). Delineating the CVS risk and the association with medications in patients with SpA would be useful.Objectives:The objective of this study was to delineate the CVS risk and the association with medications in patients with SpA.Methods:Patients with SpA and patients with non-specific back pain (NSBP) were identified in rheumatology and orthopedics clinics respectively. Clinical information and CVS events were retrieved. Incidence rates were calculated. Association analysis was performed to determine the CVS risk of SpA and other modifiable risk factors.Results:A total of 5046 patients (SpA 2616 and NSBP 2430) were included from eight centers. Over 56 484 person-years of follow-up, 160 strokes, 84 MI and 262 major adverse cardiovascular events (MACE) were identified. Hypercholesterolemia was more prevalent in SpA (SpA 34.2%, NSBP 28.7%, P<0.01). Crude incidence rates of stroke and MI were higher in SpA patients. SpA was associated with a higher risk of MACE (HR 1.66, 95%CI 1.22-2.27, P<0.01) and cerebrovascular events (HR 1.42, 95%CI 1.01-2.00, p=0.04). The use of anti-tumor necrosis factor (TNF) drugs was associated with a reduced risk of MACE (HR 0.37, 95%CI 0.17-0.80, P=0.01) and cerebrovascular events (HR 0.21, 95%CI 0.06-0.78, P=0.02).Conclusion:SpA is an independent CVS risk factor. Anti-TNF drugs were associated with a reduced CVS risk in these patients.References:[1]Crowson CS, Liao KP, Davis JM, 3rd, Solomon DH, Matteson EL, Knutson KL, et al. Rheumatoid arthritis and cardiovascular disease. Am Heart J. 2013;166(4):622-8 e1.[2]Verhoeven F, Prati C, Demougeot C, Wendling D. Cardiovascular risk in psoriatic arthritis, a narrative review. Joint Bone Spine. 2020;87(5):413-8.[3]Liew JW, Ramiro S, Gensler LS. Cardiovascular morbidity and mortality in ankylosing spondylitis and psoriatic arthritis. Best Pract Res Clin Rheumatol. 2018;32(3):369-89.[4]Molto A, Etcheto A, van der Heijde D, Landewe R, van den Bosch F, Bautista Molano W, et al. Prevalence of comorbidities and evaluation of their screening in spondyloarthritis: results of the international cross-sectional ASAS-COMOSPA study. Ann Rheum Dis. 2016;75(6):1016-23.Disclosure of Interests:None declared.

scholarly journals Association between physical activity, occupational sitting time and mortality in a general population: An 18-year prospective survey in Tanushimaru, Japan

2018 ◽  
Vol 27 (7) ◽  
pp. 758-766 ◽  
Author(s):  
Akiko Sakaue ◽  
Hisashi Adachi ◽  
Mika Enomoto ◽  
Ako Fukami ◽  
Eita Kumagai ◽  
...  
Keyword(s):  
Physical Activity ◽  
General Population ◽  
Hazard Ratio ◽  
Adjusted Hazard Ratio ◽  
Sitting Time ◽  
Inverse Association ◽  
Physical Activity Questionnaire ◽  
Occupational Sitting ◽  
Activity Questionnaire

Aims It is well known that a decline in physical activity is associated with an increase of all-cause death including cardiovascular events and cancer. Few studies have examined the association between occupational sitting time and mortality. Therefore, we investigated this issue in a general population. Methods Physical activity and occupational sitting time were measured using the Baecke physical activity questionnaire in 1999. The questionnaire generated indices in three physical activity categories: work, sport and leisure-time. A total physical activity index was calculated by adding these three indices. The Baecke physical activity questionnaire was able to evaluate occupational sitting time. Hazard ratios and 95% confidence intervals (CIs) were calculated using Cox's proportional hazard regression models. Results We enrolled a total of 1680 participants, who were followed up for 15.9 ± 3.8 years. The final follow-up rate was 93%. During the follow-up period, 397 subjects died. A significant inverse association ( p < 0.0001) was found between physical activity and mortality after adjustment for age and sex. Compared with lower levels of physical activity, the adjusted hazard ratio for mortality at higher levels of physical activity was 0.85 (95% CI: 0.78–0.92). Longer occupational sitting time was also significantly associated with higher mortality ( p < 0.01). The adjusted hazard ratio for mortality at longer occupational sitting time was 1.16 (95% CI: 1.05–1.27). These findings were observed in males, but not in females. Conclusions Our data demonstrated that higher levels of physical activity are associated with a reduced risk of cancer and cardiovascular death. Further, longer occupational sitting time is associated with increased mortality.

scholarly journals Role of Disease Modifying Treatment in the Risk of Alloimmunization in Transfused Patients with Myelodysplastic Syndromes: A Population-Based Study

Blood ◽  
2019 ◽  
Vol 134 (Supplement_1) ◽  
pp. 4253-4253
Author(s):  
Hanne Rozema ◽  
Robby Kibbelaar ◽  
Nic Veeger ◽  
Mels Hoogendoorn ◽  
Eric van Roon
Keyword(s):  
Risk Factors ◽  
Regression Analysis ◽  
Cox Regression ◽  
Population Based ◽  
Incidence Rates ◽  
Blood Products ◽  
Cox Regression Analysis ◽  
In The Beginning ◽  
Observation Period

The majority of patients with myelodysplastic syndromes (MDS) require regular red blood cell (RBC) transfusions. Alloimmunization (AI) against blood products is an adverse event, causing time-consuming RBC compatibility testing. The reported incidence of AI in MDS patients varies greatly. Even though different studies on AI in MDS patients have been performed, there are still knowledge gaps. Current literature has not yet fully identified the risk factors and dynamics of AI in individual patients, nor has the influence of disease modifying treatment (DMT) been explored. Therefore, we performed this study to evaluate the effect of DMT on AI. An observational, population-based study, using the HemoBase registry, was performed including all newly diagnosed MDS patients between 2005 and 2017 in Friesland, a province of the Netherlands. All available information about treatment and transfusions, including transfusion dates, types, and treatment regimens, was collected from the electronic health records and laboratory systems. Follow-up occurred through March 2019. For our patient cohort, blood products were matched for AB0 and RhD, and transfused per the 'type and screen' policy (i.e. electronic matching of blood group phenotype between patient and donor). After a positive antibody screening, antibody identification and Rh/K phenotyping was performed and subsequent blood products were (cross)matched accordingly. The observation period was counted from first transfusion until last transfusion or first AI event. Univariate analyses and cumulative frequency distributions were performed to study possible risk factors and dynamics of AI. DMT was defined as hypomethylating agents, lenalidomide, chemotherapy and monoclonal antibodies. The effect of DMT as a temporary risk period on the risk of AI was estimated with incidence rates, relative risks (RR) and hazard ratios (HR) using a cox regression analysis. Follow-up was limited to 24 months for the cox regression analysis to avoid possible bias by survival differences. Statistical analyses were performed using IBM SPSS 24 and SAS 9.4. Out of 292 MDS patients, 236 patients received transfusions and were included in this study, covering 463 years of follow-up. AI occurred in 24 patients (10%). AI occurred mostly in the beginning of the observation period: Eighteen patients (75%) were alloimmunized after receiving 20 units of RBCs, whereas 22 patients (92%) showed AI after 45 units of RBCs (Figure 1). We found no significant risk factors for AI in MDS patients at baseline. DMT was given to 67 patients (28%) during the observation period. Patients on DMT received more RBC transfusions than patients that did not receive DMT (median of 33 (range: 3-154) and 11 (range: 0-322) RBC units respectively, p<0,001). Four AI events (6%) occurred in patients on DMT and 20 AI events (12%) occurred in patients not on DMT. Cox regression analysis of the first 24 months of follow-up showed an HR of 0.30 (95% CI: 0.07-1.31; p=0.11). The incidence rates per 100 person-years were 3.19 and 5.92 respectively. The corresponding RR was 0.54 (95% CI: 0.16-1.48; p=0.26). Based on our results, we conclude that the incidence of AI in an unselected, real world MDS population receiving RBC transfusions is 10% and predominantly occurred in the beginning of follow-up. Risk factors for AI at baseline could not be identified. Our data showed that patients on DMT received significantly more RBC transfusions but were less susceptible to AI. Therefore, extensive matching of blood products may not be necessary for patients on DMT. Larger studies are needed to confirm the protective effect of DMT on AI. Disclosures Rozema: Celgene: Other: Financial support for visiting MDS Foundation conference.

scholarly journals Risk Factors for Reduced Salivary Flow Rate in a Japanese Population: The Hisayama Study

2015 ◽  
Vol 2015 ◽  
pp. 1-7 ◽  
Author(s):  
Kenji Takeuchi ◽  
Michiko Furuta ◽  
Toru Takeshita ◽  
Yukie Shibata ◽  
Yoshihiro Shimazaki ◽  
...  
Keyword(s):  
Risk Factors ◽  
Serum Albumin ◽  
Regression Model ◽  
Flow Rate ◽  
Salivary Flow ◽  
Community Dwelling ◽  
Salivary Flow Rate ◽  
Multivariate Logistic Regression Model ◽  
Plaque Score

The purpose of this study was to determine distinct risk factors causing reduced salivary flow rate in a community-dwelling population using a prospective cohort study design. This was a 5-year follow-up survey of 1,377 community-dwelling Japanese individuals aged ≥40 years. The salivary flow rate was evaluated at baseline and follow-up by collecting stimulated saliva. Data on demographic characteristics, use of medication, and general and oral health status were obtained at baseline. The relationship between reduced salivary flow rate during the follow-up period and its predictors was evaluated after adjustment for confounding factors. In a multivariate logistic regression model, higher age and plaque score and lower serum albumin levels were significantly associated with greater odds of an obvious reduction in salivary flow rate (age per decade, odds ratio [OR] = 1.25, 95% confidence interval [CI] = 1.03–1.51; serum albumin levels <4 g/dL, OR = 1.60, 95% CI = 1.04–2.46; plaque score ≥1, OR = 1.53, 95% CI = 1.04–2.24). In a multivariate linear regression model, age and plaque score remained independently associated with the increased rate of reduced salivary flow. These results suggest that aging and plaque score are important predictors of reduced salivary flow rate in Japanese adults.

Predictors of Recurrence, Progression, and Retreatment in Basilar Tip Aneurysms: A Location-Controlled Analysis

2018 ◽  
Vol 16 (4) ◽  
pp. 435-444 ◽  
Author(s):  
Isaac Josh Abecassis ◽  
Rajeev D Sen ◽  
Jason Barber ◽  
Rakshith Shetty ◽  
Cory M Kelly ◽  
...  
Keyword(s):  
Risk Factors ◽  
Primary Outcome ◽  
Hazard Ratio ◽  
Anterior Communicating Artery ◽  
Multivariate Modeling ◽  
Ruptured Aneurysms ◽  
Endovascular Interventions ◽  
Kaplan Meier ◽  
Event Rates

Abstract BACKGROUND Endovascular treatment of intracranial aneurysms is associated with higher rates of recurrence and retreatment, though contemporary rates and risk factors for basilar tip aneurysms (BTAs) are less well-described. OBJECTIVE To characterize progression, retreatement, and retreated progression of BTAs treated with microsurgical or endovascular interventions. METHODS We retrospectively reviewed records for 141 consecutive BTA patients. We included 158 anterior communicating artery (ACoA) and 118 middle cerebral artery (MCA) aneurysms as controls. Univariate and multivariate analyses were used to calculate rates of progression (recurrence of previously obliterated aneurysms and progression of known residual aneurysm dome or neck), retreatment, and retreated progression. Kaplan–Meier analysis was used to characterize 24-mo event rates for primary outcome prediction. RESULTS Of 141 BTA patients, 62.4% were ruptured and 37.6% were unruptured. Average radiographical follow-up was 33 mo. Among ruptured aneurysms treated with clipping, there were 2 rehemorrhages due to recurrence (6.1%), and none in any other cohorts. Overall rates of progression (28.9%), retreatment (28.9%), and retreated progression (24.7%) were not significantly different between surgical and endovascular subgroups, though ruptured aneurysms had higher event rates. Multivariate modeling confirmed rupture status (P = .003, hazard ratio = 0.14) and aneurysm dome width (P = .005, hazard ratio = 1.23) as independent predictors of progression requiring retreatment. In a separate multivariate analysis with ACoA and MCA aneurysms, basilar tip location was an independent predictor of progression, retreatment, and retreated progression. CONCLUSION BTAs have higher rates of progression and retreated progression than other aneurysm locations, independent of treatment modality. Rupture status and dome width are risk factors for progression requiring retreatment.

Cataract extraction in patients with primary congenital glaucoma

2019 ◽  
Vol 30 (3) ◽  
pp. 525-532
Author(s):  
Laura Morales-Fernández ◽  
José María Martínez-de-la-Casa ◽  
Blanca Benito-Pascual ◽  
Federico Saénz-Francés ◽  
Enrique Santos-Bueso ◽  
...  
Keyword(s):  
Risk Factors ◽  
Visual Acuity ◽  
Intraocular Pressure ◽  
Cataract Extraction ◽  
Hazard Ratio ◽  
High Rate ◽  
Congenital Glaucoma ◽  
Primary Congenital Glaucoma ◽  
Corneal Decompensation

Objective: To assess incidence and risk factors of cataract extraction in patients with primary congenital glaucoma, surgical outcome, and complications. Material and method: Retrospective cohort study, in which 108 patients with primary congenital glaucoma were included. Data collected were need for cataract extraction and at what age, intraocular pressure at diagnosis of primary congenital glaucoma, required antiglaucomatous surgeries, possible mutation in the CYP1B1 gene, and final visual acuity. Among the patients who required cataract extraction were visual acuity, intraocular pressure, and complications, evaluated preoperatively and postoperatively. The data were analysed with STATA. Results: A total of 198 eyes of 108 patients were included, with a median follow-up of 8 years (range: 5–53). In all, 32 eyes (16.2%) of 24 patients (22%) required cataract extraction. The median age for cataract extraction was 12.94 years (interquartile range: 2.42–22). The main identified risk factors associated with cataract extraction were antiglaucomatous surgeries (hazard ratio 1.48, p < 0.001) and valvular implant (hazard ratio 2.78, p < 0.001). Lens was implanted in 30/32 eyes and the main complications were intraocular pressure decontrol ( n = 13), capsular fibrosis ( n = 7), corneal decompensation ( n = 4), lens subluxation ( n = 4), and endophthalmitis ( n = 1). Visual acuity improvement was observed after cataract extraction in 66.67% of eyes. Conclusions: There is a high incidence of cataract surgery in patients with primary congenital glaucoma, but generally outside of pediatric age. A greater risk of cataract extraction was identified in those patients with a greater number of antiglaucomatous surgeries, especially after valvular implantation. Despite the high rate of complications related to cataract extraction in primary congenital glaucoma, good visual improvement was observed after surgery.

Risk Factors for Methicillin-Resistant Staphylococcus aureus (MRSA) Acquisition in Roommate Contacts of Patients Colonized or Infected With MRSA in an Acute-Care Hospital

2008 ◽  
Vol 29 (7) ◽  
pp. 600-606 ◽  
Author(s):  
Christine Moore ◽  
Jastej Dhaliwal ◽  
Agnes Tong ◽  
Sarah Eden ◽  
Cindi Wigston ◽  
...  
Keyword(s):  
Risk Factors ◽  
Staphylococcus Aureus ◽  
Acute Care ◽  
Significant Risk ◽  
Acute Care Hospital ◽  
Skin Lesions ◽  
Care Hospital ◽  
Methicillin Resistant ◽  
The Impact

Objective.To identify risk factors for acquisition of methicillin-resistant Staphylococcus aureus (MRSA) in patients exposed to an MRSA-colonized roommate.Design.Retrospective cohort study.Setting.A 472-bed acute-care teaching hospital in Toronto, Canada.Patients.Inpatients who shared a room between 1996 and 2004 with a patient who had unrecognized MRSA colonization.Methods.Exposed roommates were identified from infection-control logs and from results of screening for MRSA in the microbiology database. Completed follow-up was defined as completion of at least 2 sets of screening cultures (swab samples from the nares, the rectum, and skin lesions), with at least 1 set of samples obtained 7–10 days after the last exposure. Chart reviews were performed to compare those who did and did not become colonized with MRSA.Results.Of 326 roommates, 198 (61.7%) had completed follow-up, and 25 (12.6%) acquired MRSA by day 7–10 after exposure was recognized, all with strains indistinguishable by pulsed-field gel electrophoresis from those of their roommate. Two (2%) of 101 patients were not colonized at day 7–10 but, with subsequent testing, were identified as being colonized with the same strain as their roommate (one at day 16 and one at day 18 after exposure). A history of alcohol abuse (odds ratio [OR], 9.8 [95% confidence limits {CLs}, 1.8, 53]), exposure to a patient with nosocomially acquired MRSA (OR, 20 [95% CLs, 2.4,171]), increasing care dependency (OR per activity of daily living, 1.7 [95% CLs, 1.1, 2.7]), and having received levofloxacin (OR, 3.6 [95% CLs, 1.1,12]) were associated with MRSA acquisition.Conclusions.Roommates of patients with MRSA are at significant risk for becoming colonized. Further study is needed of the impact of hospital antimicrobial formulary decisions on the risk of acquisition of MRSA.

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