Diseases of the Colon & Rectum

, Volume 34, Issue 2, pp 151–155 | Cite as

A comparison between single and double dose intravenous timentin for the prophylaxis of wound infection in elective colorectal surgery

  • A. M. Cuthbertson
  • A. R. McLeish
  • J. C. B. Penfold
  • H. Ross
Original Contributions


A prospective, randomized, single-blind, controlled clinical trial was undertaken to determine whether two doses of systemic Timentin provided superior prophylaxis against postoperative sepsis in elective colorectal surgery compared with a single dose of the same antibiotic. Timentin, a combination of ticarcillin and clavulanic acid was administered intravenously (3.1 g) at the commencement of operation to all patients, and this was repeated after 2 hours in those patients randomized to receive a second dose. The wound infection rate was 11 percent in the 143 patients completing follow-up and receiving a single dose, and 13 percent in the 128 patients receiving two doses of Timentin (P>0.05). The rates of postoperative septicemia 3vs.4 percent and intra-abdominal abscess 5vs.8 percent were similar. Multivariate analysis of the factors likely to affect postoperative wound infection rate demonstrated an association with the type of hospital, public or private, wound infection rate 16 and 6 percent, respectively (P<0.01), and the surgeon group defined by the number of patients contributed greater than 25 or less than 25, wound infection rate 6 and 18 percent, respectively (P<0.05). We concluded that a single dose of intravenous Timentin was as effective as two doses for prophylaxis against surgical infection and that the surgeon group and the hospital in which the operation took place were statistically significant predictors of postoperative wound infection.

Key words

Colorectal surgery Prophylactic antibiotics Timentin Wound infection 


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Copyright information

© The American Society of Colon & Rectal Surgeons 1991

Authors and Affiliations

  • A. M. Cuthbertson
    • 1
  • A. R. McLeish
    • 1
  • J. C. B. Penfold
    • 1
  • H. Ross
    • 1
  1. 1.Departments of Surgery, 5th Floor, Clinical Sciences BuildingRoyal Melbourne HospitalParkvilleAustralia

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