Prophylaxis of local vascular graft infection with levofloxacin incorporated into albumin-sealed Dacron graft (LVFX-ALB graft)

Takashi Osada, Keiko Yamamura, Katsuhiro Fujimoto, Keisuke Mizuno, Tsunehisa Sakurai, Michio Ohta, Toshitaka Nabeshima

Research output: Contribution to journalArticle

17 Citations (Scopus)

Abstract

An animal model was used to assess the efficacy of levofloxacin (LVFX) incorporated into albumin (ALB)-sealed Dacron (LVFX-ALB) graft for the prevention of vascular graft infections caused by Staphylococcus aureus. Under general anesthetic, an interposition graft was placed into dog carotid artery. On completion of the operation, 0.1 ml of normal saline containing 107 colony-forming units (CFU) of a slime-producing S. aureus was inoculated directly onto the graft. After 1 day, the samples were sterilely harvested. The antibacterial activity of LVFX into the LVFX-ALB graft was evaluated by colony counting in bacterial cultures and by the fluorescent antibody method staining bacteria adhesion to the grafts. LVFX-ALB grafts had a lower infection rate than the control grafts (1/4, 102 CFU vs 4/4, 1.50 X 105 ± 1.38 X 105 CFU (mean ± SE)). In an immunostaining study, LVFX-ALB grafts had small fluorescent areas showing S. aureus adhesion, while fluorescence was observed over the entire surface of the control grafts. Therefore, LVFX- ALB presumably had a bactericidal action and adhesive prevention against inoculated S. aureus. LVFX-ALB may be useful in preventing graft infections during and immediately after vascular reconstruction.

Original languageEnglish
Pages (from-to)317-321
Number of pages5
JournalMicrobiology and Immunology
Volume43
Issue number4
DOIs
Publication statusPublished - 01-01-1999
Externally publishedYes

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Levofloxacin
Polyethylene Terephthalates
Blood Vessels
Albumins
Transplants
Infection
Staphylococcus aureus
Stem Cells
General Anesthetics
Infection Control
Carotid Arteries
Adhesives
Animal Models
Fluorescence
Dogs
Staining and Labeling

All Science Journal Classification (ASJC) codes

  • Microbiology
  • Immunology
  • Virology

Cite this

Osada, Takashi ; Yamamura, Keiko ; Fujimoto, Katsuhiro ; Mizuno, Keisuke ; Sakurai, Tsunehisa ; Ohta, Michio ; Nabeshima, Toshitaka. / Prophylaxis of local vascular graft infection with levofloxacin incorporated into albumin-sealed Dacron graft (LVFX-ALB graft). In: Microbiology and Immunology. 1999 ; Vol. 43, No. 4. pp. 317-321.
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Prophylaxis of local vascular graft infection with levofloxacin incorporated into albumin-sealed Dacron graft (LVFX-ALB graft). / Osada, Takashi; Yamamura, Keiko; Fujimoto, Katsuhiro; Mizuno, Keisuke; Sakurai, Tsunehisa; Ohta, Michio; Nabeshima, Toshitaka.

In: Microbiology and Immunology, Vol. 43, No. 4, 01.01.1999, p. 317-321.

Research output: Contribution to journalArticle

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