Prevention of catheter sepsis by antibiotic bonding

Stanley Trooskin, A. P. Donetz, R. A. Harvey, R. S. Greco

Research output: Contribution to journalArticle

97 Citations (Scopus)

Abstract

The techniques of antibiotic binding were applied to the problem of hyperalimentation catheter sepsis. Pretreatment with triodecylmethylammonium chloride (TDMAC) increased the bonding of 14C-penicillin to polyethylene catheter segments from 3.1 to 212 μg/cm and to silicone elastomer catheter segments from 0.09 to 181 μg/cm. The elution of the bound ligands from silicone elastomer catheter segments in the presence of plasma was studied. At 2 weeks more than 60% of the bound TDMAC remained adherent to the catheter. The elution of the bonded penicillin from the silicone elastomer catheters was biphasic, initially 95% dissociated after 48 hours of incubation. A bioassay revealed that the dissociated penicillin waas bacteriocidal. Polyethylene catheters were placed in the jugular vein of rats and positioned in the right atrium. The catheters were tunneled posteriorly, exited between the forelimb shoulder girdles, and connected to a swivel mechanism. The exit site was inoculated before closure with 1 x 108 Staphylococcus aureus. Five days after insertion the catheters were removed via sterile thoracotomy and the tips cultured. Untreated control catheters, catheters treated by antibiotic soaking, and catheters pretreated with TDMAC all had high rates of catheter colonization (60% to 80)%. TDMAC-penicillin-bonded catheters did not become colonized. This difference was significant (p < 0.005). Antibiotic bonding may prove effective in preventing hyperalimentation catheter sepsis.

Original languageEnglish (US)
Pages (from-to)547-551
Number of pages5
JournalSurgery
Volume97
Issue number5
StatePublished - Jan 1 1985

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Sepsis
Catheters
Anti-Bacterial Agents
Silicone Elastomers
Penicillins
Chlorides
Polyethylene
Forelimb
Jugular Veins
Thoracotomy
Heart Atria
Biological Assay
Staphylococcus aureus
Ligands

All Science Journal Classification (ASJC) codes

  • Surgery

Cite this

Trooskin, S., Donetz, A. P., Harvey, R. A., & Greco, R. S. (1985). Prevention of catheter sepsis by antibiotic bonding. Surgery, 97(5), 547-551.
Trooskin, Stanley ; Donetz, A. P. ; Harvey, R. A. ; Greco, R. S. / Prevention of catheter sepsis by antibiotic bonding. In: Surgery. 1985 ; Vol. 97, No. 5. pp. 547-551.
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Trooskin, S, Donetz, AP, Harvey, RA & Greco, RS 1985, 'Prevention of catheter sepsis by antibiotic bonding', Surgery, vol. 97, no. 5, pp. 547-551.

Prevention of catheter sepsis by antibiotic bonding. / Trooskin, Stanley; Donetz, A. P.; Harvey, R. A.; Greco, R. S.

In: Surgery, Vol. 97, No. 5, 01.01.1985, p. 547-551.

Research output: Contribution to journalArticle

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Trooskin S, Donetz AP, Harvey RA, Greco RS. Prevention of catheter sepsis by antibiotic bonding. Surgery. 1985 Jan 1;97(5):547-551.