Outpatient vancomycin use and vancomycin-resistant enterococcal colonization in maintenance dialysis patients

Mohamed Atta, J. A. Eustace, X. Song, T. M. Perl, Jr Scheel P.J.

Research output: Contribution to journalArticle

Abstract

Outpatient vancomycin use and vancomycin-resistant enterococcal colonization in maintenance dialysis patients. Background. Although outpatient vancomycin is widely used as empiric therapy for dialysis-associated infections, its relationship with vancomycin-resistant enterococcal (VRE) colonization is not established. Methods. During a two-year prospective cohort study, rectal swabs obtained from patients at the start and finish of the study period and during interim hospitalizations were cultured for VRE. Results. Ten of 124 patients initially grew VRE. Twenty-four of the remaining patients had no follow-up cultures because of patient death (62%), transfer to another dialysis facility (17%), patient's refusal (7%), and transplantation (4%), and were thus excluded. The remaining patients (N = 90) had a median age of 54.3 years and were 92% African American and 50% male. Fifty-eight percent were treated by hemodialysis. They received 403 g of intravenous vancomycin over 157.2 patient-years of follow-up, 73% as outpatients. Sixteen of 90 patients (17.8%) became colonized with VRE, an incidence rate of one case per 9.8 patient-years of follow-up. None of the 29 patients who did not receive vancomycin developed VRE compared with 26% of those treated with vancomycin (P = 0.001). The odds ratio (95 % CI) for the association of outpatient vancomycin (g per year) with VRE colonization was 1.23 (1.05, 1.44, P = 0.008). The association remained significant following adjustment in separate logistic regression analyses for relevant demographic, clinical, antimicrobial (inpatient vancomycin, oral or intravenous cephalosprins, aminoglycosides, quinalones, or anti-anaerobics), and hospitalization exposures. The unadjusted relative risk of death in patients growing VRE was significantly higher than in those not colonized with VRE (P = 0.005). Conclusions. VRE colonization is a relatively common and underrecognized problem among chronic dialysis patients. It is strongly and independently associated with the outpatient use of vancomycin, which should be avoided whenever possible.

Original languageEnglish (US)
Pages (from-to)718-724
Number of pages7
JournalKidney International
Volume59
Issue number2
DOIs
StatePublished - 2001

Fingerprint

Vancomycin
Dialysis
Outpatients
Maintenance
Hospitalization
Aminoglycosides
African Americans

Keywords

  • Bacteria
  • Chronic dialysis
  • Dialysis-related infection
  • End-stage renal disease
  • Gram-positive organisms
  • Infection

ASJC Scopus subject areas

  • Nephrology

Cite this

Outpatient vancomycin use and vancomycin-resistant enterococcal colonization in maintenance dialysis patients. / Atta, Mohamed; Eustace, J. A.; Song, X.; Perl, T. M.; Scheel P.J., Jr.

In: Kidney International, Vol. 59, No. 2, 2001, p. 718-724.

Research output: Contribution to journalArticle

Atta, Mohamed ; Eustace, J. A. ; Song, X. ; Perl, T. M. ; Scheel P.J., Jr. / Outpatient vancomycin use and vancomycin-resistant enterococcal colonization in maintenance dialysis patients. In: Kidney International. 2001 ; Vol. 59, No. 2. pp. 718-724.
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abstract = "Outpatient vancomycin use and vancomycin-resistant enterococcal colonization in maintenance dialysis patients. Background. Although outpatient vancomycin is widely used as empiric therapy for dialysis-associated infections, its relationship with vancomycin-resistant enterococcal (VRE) colonization is not established. Methods. During a two-year prospective cohort study, rectal swabs obtained from patients at the start and finish of the study period and during interim hospitalizations were cultured for VRE. Results. Ten of 124 patients initially grew VRE. Twenty-four of the remaining patients had no follow-up cultures because of patient death (62{\%}), transfer to another dialysis facility (17{\%}), patient's refusal (7{\%}), and transplantation (4{\%}), and were thus excluded. The remaining patients (N = 90) had a median age of 54.3 years and were 92{\%} African American and 50{\%} male. Fifty-eight percent were treated by hemodialysis. They received 403 g of intravenous vancomycin over 157.2 patient-years of follow-up, 73{\%} as outpatients. Sixteen of 90 patients (17.8{\%}) became colonized with VRE, an incidence rate of one case per 9.8 patient-years of follow-up. None of the 29 patients who did not receive vancomycin developed VRE compared with 26{\%} of those treated with vancomycin (P = 0.001). The odds ratio (95 {\%} CI) for the association of outpatient vancomycin (g per year) with VRE colonization was 1.23 (1.05, 1.44, P = 0.008). The association remained significant following adjustment in separate logistic regression analyses for relevant demographic, clinical, antimicrobial (inpatient vancomycin, oral or intravenous cephalosprins, aminoglycosides, quinalones, or anti-anaerobics), and hospitalization exposures. The unadjusted relative risk of death in patients growing VRE was significantly higher than in those not colonized with VRE (P = 0.005). Conclusions. VRE colonization is a relatively common and underrecognized problem among chronic dialysis patients. It is strongly and independently associated with the outpatient use of vancomycin, which should be avoided whenever possible.",
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N2 - Outpatient vancomycin use and vancomycin-resistant enterococcal colonization in maintenance dialysis patients. Background. Although outpatient vancomycin is widely used as empiric therapy for dialysis-associated infections, its relationship with vancomycin-resistant enterococcal (VRE) colonization is not established. Methods. During a two-year prospective cohort study, rectal swabs obtained from patients at the start and finish of the study period and during interim hospitalizations were cultured for VRE. Results. Ten of 124 patients initially grew VRE. Twenty-four of the remaining patients had no follow-up cultures because of patient death (62%), transfer to another dialysis facility (17%), patient's refusal (7%), and transplantation (4%), and were thus excluded. The remaining patients (N = 90) had a median age of 54.3 years and were 92% African American and 50% male. Fifty-eight percent were treated by hemodialysis. They received 403 g of intravenous vancomycin over 157.2 patient-years of follow-up, 73% as outpatients. Sixteen of 90 patients (17.8%) became colonized with VRE, an incidence rate of one case per 9.8 patient-years of follow-up. None of the 29 patients who did not receive vancomycin developed VRE compared with 26% of those treated with vancomycin (P = 0.001). The odds ratio (95 % CI) for the association of outpatient vancomycin (g per year) with VRE colonization was 1.23 (1.05, 1.44, P = 0.008). The association remained significant following adjustment in separate logistic regression analyses for relevant demographic, clinical, antimicrobial (inpatient vancomycin, oral or intravenous cephalosprins, aminoglycosides, quinalones, or anti-anaerobics), and hospitalization exposures. The unadjusted relative risk of death in patients growing VRE was significantly higher than in those not colonized with VRE (P = 0.005). Conclusions. VRE colonization is a relatively common and underrecognized problem among chronic dialysis patients. It is strongly and independently associated with the outpatient use of vancomycin, which should be avoided whenever possible.

AB - Outpatient vancomycin use and vancomycin-resistant enterococcal colonization in maintenance dialysis patients. Background. Although outpatient vancomycin is widely used as empiric therapy for dialysis-associated infections, its relationship with vancomycin-resistant enterococcal (VRE) colonization is not established. Methods. During a two-year prospective cohort study, rectal swabs obtained from patients at the start and finish of the study period and during interim hospitalizations were cultured for VRE. Results. Ten of 124 patients initially grew VRE. Twenty-four of the remaining patients had no follow-up cultures because of patient death (62%), transfer to another dialysis facility (17%), patient's refusal (7%), and transplantation (4%), and were thus excluded. The remaining patients (N = 90) had a median age of 54.3 years and were 92% African American and 50% male. Fifty-eight percent were treated by hemodialysis. They received 403 g of intravenous vancomycin over 157.2 patient-years of follow-up, 73% as outpatients. Sixteen of 90 patients (17.8%) became colonized with VRE, an incidence rate of one case per 9.8 patient-years of follow-up. None of the 29 patients who did not receive vancomycin developed VRE compared with 26% of those treated with vancomycin (P = 0.001). The odds ratio (95 % CI) for the association of outpatient vancomycin (g per year) with VRE colonization was 1.23 (1.05, 1.44, P = 0.008). The association remained significant following adjustment in separate logistic regression analyses for relevant demographic, clinical, antimicrobial (inpatient vancomycin, oral or intravenous cephalosprins, aminoglycosides, quinalones, or anti-anaerobics), and hospitalization exposures. The unadjusted relative risk of death in patients growing VRE was significantly higher than in those not colonized with VRE (P = 0.005). Conclusions. VRE colonization is a relatively common and underrecognized problem among chronic dialysis patients. It is strongly and independently associated with the outpatient use of vancomycin, which should be avoided whenever possible.

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