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Prevalence and outcomes of antimicrobial treatment for Staphylococcus aureus bacteremia in outpatients with ESRD.
Chan KE, Warren HS, Thadhani RI, Steele DJ, Hymes JL, Maddux FW, Hakim RM
(2012) J Am Soc Nephrol 23: 1551-9
MeSH Terms: Anti-Bacterial Agents, Bacteremia, Cefazolin, Comorbidity, Female, Humans, Kidney Failure, Chronic, Longitudinal Studies, Male, Methicillin-Resistant Staphylococcus aureus, Middle Aged, Outpatients, Prevalence, Renal Dialysis, Retrospective Studies, Risk Factors, Staphylococcal Infections, Staphylococcus aureus, Treatment Outcome, United States, Vancomycin
Show Abstract · Added May 20, 2014
Staphylococcus bacteremia is a common and life-threatening medical emergency, but it is treatable with appropriate antibiotic therapy. To identify opportunities that may reduce morbidity and mortality associated with S. aureus, we analyzed data from 293,094 chronic hemodialysis outpatients to characterize practices of antibiotic selection. In the study population, the overall rate of bacteremia was 15.4 per 100 outpatient-years; the incidence rate for methicillin-sensitive (MSSA) was 2.1 per 100 outpatient-years, and the incidence rate for methicillin-resistant (MRSA) S. aureus was 1.9 per 100 outpatient-years. One week after the collection of the index blood culture, 56.1% of outpatients with MSSA bacteremia were receiving vancomycin, and 16.7% of outpatients with MSSA were receiving cefazolin. Among MSSA-bacteremic patients who did not die or get hospitalized 1 week after blood culture collection, use of cefazolin was associated with a 38% lower risk for hospitalization or death compared with vancomycin (adjusted HR=0.62, 95% CI=0.46-0.84). In conclusion, vancomycin is commonly used to treat MSSA bacteremia in outpatients receiving chronic dialysis, but there may be more risk of treatment failure than observed among those individuals who receive a β-lactam antibiotic such as cefazolin.
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21 MeSH Terms
Cost-effectiveness analysis of six strategies for cardiovascular surgery prophylaxis in patients labeled penicillin allergic.
Phillips E, Louie M, Knowles SR, Simor AE, Oh PI
(2000) Am J Health Syst Pharm 57: 339-45
MeSH Terms: Anti-Bacterial Agents, Antibiotic Prophylaxis, Cardiovascular Surgical Procedures, Cefazolin, Cephalosporins, Cost-Benefit Analysis, Decision Trees, Drug Hypersensitivity, Humans, Immunoglobulin E, Penicillins, Skin Tests, Vancomycin, Vancomycin Resistance
Show Abstract · Added March 30, 2020
The cost-effectiveness of different approaches to antimicrobial prophylaxis for cardiovascular surgery patients labeled penicillin allergic was studied. A decision-analytic model was used to examine the cost-effectiveness of six strategies for antimicrobial prophylaxis in cardiovascular surgery patients at a tertiary care hospital. The strategies consisted of (1) giving vancomycin to all patients labeled penicillin allergic, (2) giving cefazolin to all patients labeled penicillin allergic, (3) giving vancomycin to all patients with a history suggesting an immunoglobulin E (IgE)-mediated reaction to penicillin and cefazolin to patients without such a history, (4) administering a penicillin skin test to patients with a history suggesting an IgE-mediated reaction to penicillin and giving vancomycin to patients with positive results and cefazolin to all others, (5) skin testing all patients labeled penicillin allergic and giving vancomycin to those with positive results and cefazolin to those with negative results, regardless of history, and (6) skin testing all patients and giving vancomycin to those with positive results or a history suggesting an IgE-mediated reaction to penicillin and cefazolin to all others. Giving cefazolin to all patients labeled penicillin allergic was the least expensive strategy but was associated with the highest rate of both anaphylactic and non-life-threatening serious reactions. Selective use of vancomycin in patients with a history suggesting an IgE-mediated reaction to penicillin was associated with an added cost and a slightly lower rate of anaphylaxis. Although skin-testing strategies may decrease both non-life-threatening and anaphylactic reactions, the incremental cost was high. When vancomycin was given to all patients labeled penicillin allergic, the incremental cost was very high. A decision-analytic model indicated that selective use of vancomycin is more cost-effective than indiscriminate use of vancomycin for surgical prophylaxis in cardiovascular surgery patients labeled penicillin allergic.
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MeSH Terms
Cefazolin as empiric therapy in hemodialysis-related infections: efficacy and blood concentrations.
Marx MA, Frye RF, Matzke GR, Golper TA
(1998) Am J Kidney Dis 32: 410-4
MeSH Terms: Adult, Aged, Bacterial Infections, Biological Availability, Cefazolin, Cephalosporins, Dose-Response Relationship, Drug, Drug Administration Schedule, Female, Humans, Male, Metabolic Clearance Rate, Microbial Sensitivity Tests, Middle Aged, Renal Dialysis, Treatment Outcome
Show Abstract · Added August 7, 2015
Concern about the increasing incidence of vancomycin-resistant organisms has tempered the enthusiasm for indiscriminate vancomycin use. Cefazolin has an antibacterial activity profile similar to vancomycin against most pathogens encountered in the hemodialysis (HD) population. We evaluated the clinical efficacy and serum concentrations that were achieved during empiric cefazolin use. Fifteen consecutive HD patients (five, conventional HD; five, high-efficiency HD; and five, high-flux HD) with suspected or documented infections warranting antibiotic intervention, including access-related, respiratory tract, urinary tract, or wound infections, were enrolled. Each patient received intravenous cefazolin (20 mg/kg actual body weight rounded to the nearest 500-mg increment [range, 1 to 2 g]) after each dialysis treatment for at least three doses. Cefazolin concentrations were obtained before and immediately after the next three consecutive dialysis treatments. Thirteen patients were evaluated for efficacy and all 15 were evaluated for toxicity and cefazolin blood concentrations. All patients showed at least a short-term (3-week) clinical resolution of infection with cefazolin treatment. No central nervous system toxicities were noted and no other adverse events were expressed by the patients during the course of cefazolin treatment. Predialysis cefazolin concentrations, as determined by high-performance liquid chromatography, were 70.2 +/- 42.7 (conventional HD), 45.6 +/- 18.9 (high-efficiency HD), and 41.6 +/- 23.9 mg/L (high-flux HD) over the three dialysis sessions. Cefazolin at doses of approximately 20 mg/kg administered post-HD appears to be a safe and effective empiric therapy and yields predialysis cefazolin concentrations of 2.5 times or greater than those considered to be the minimum inhibitory concentration breakpoint (16 mg/L) for susceptible organisms. These data support the broader use of cefazolin for empiric treatment in the HD population, allowing vancomycin to be reserved for confirmed resistant organisms.
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16 MeSH Terms
Early gram-positive bacteremia in BMT recipients: impact of three different approaches to antimicrobial prophylaxis.
Arns da Cunha C, Weisdorf D, Shu XO, DeFor T, Pastor JD, Johnson JR
(1998) Bone Marrow Transplant 21: 173-80
MeSH Terms: Adolescent, Adult, Aged, Anti-Bacterial Agents, Bacteremia, Bone Marrow Transplantation, Cefazolin, Child, Child, Preschool, Cohort Studies, Drug Resistance, Microbial, Drug Therapy, Combination, Female, Gram-Positive Bacterial Infections, Humans, Infant, Male, Middle Aged, Penicillins, Streptococcal Infections, Time Factors, Vancomycin
Show Abstract · Added December 10, 2013
Antimicrobial prophylaxis against gram-positive bacteremia (GPB) following BMT may prevent infections but promote antimicrobial resistance. In a sequential cohort study involving 289 consecutive BMT recipients we compared three protocols for prevention of GPB (vancomycin prophylaxis, penicillin/cefazolin prophylaxis, and no specific GPB prophylaxis) with respect to incidence of GPB, mortality, and vancomycin use. GPB was associated with increased mortality (27% vs 15%; P = 0.02), but contributed to only five of 52 deaths in the study population, and only one of 15 subjects with viridans streptococcal bacteremia developed fatal septic shock. Vancomycin prophylaxis reduced the incidence of GPB (11%) compared to penicillin/cefazolin (27%) or no prophylaxis (40%) (all P < 0.03), but did not significantly reduce mortality. The incidence of fungemia, gram-negative bacteremia, and infection-associated mortality was unaffected by GPB prophylaxis. Vancomycin use was substantially greater in the vancomycin prophylaxis group. We conclude that in comparison with vancomycin prophylaxis, BMT support regimens that do not include vancomycin prophylaxis allow reduced overall vancomycin use without an apparent increase in early post-BMT mortality, despite the greater associated frequency of GPB.
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22 MeSH Terms
Intermittent versus continuous antibiotics for PD-related peritonitis.
Golper T
(1997) Perit Dial Int 17: 11-2
MeSH Terms: Anti-Bacterial Agents, Cefazolin, Drug Administration Schedule, Humans, Peritoneal Dialysis, Peritonitis, Tobramycin, Vancomycin
Added August 7, 2015
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8 MeSH Terms