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  • Title: Piperacillin/tazobactam versus imipenem/cilastatin in the treatment of intra-abdominal infections.
    Author: Niinikoski J, Havia T, Alhava E, Pääkkönen M, Miettinen P, Kivilaakso E, Haapiainen R, Matikainen M, Laitinen S.
    Journal: Surg Gynecol Obstet; 1993 Mar; 176(3):255-61. PubMed ID: 8382381.
    Abstract:
    The current multicenter study was conducted at five sites using 86 patients to evaluate the safety and efficacy of piperacillin/tazobactam (4 grams per 500 milligrams every eight hours) compared with imipenem/cilastatin (1 gram every eight hours) in the treatment of patients who were hospitalized with a clinically or bacteriologically confirmed diagnosis of intra-abdominal infection. Forty-seven patients received piperacillin/tazobactam and 39 received imipenem/cilastatin. The favorable response among patients who were clinically evaluable with a valid response in the group treated with piperacillin/tazobactam was 87 percent. In the group treated with imipenem/cilastatin it was 77 percent. Bacteriologic eradication rate among bacteriologically evaluable patients with a valid response in the group treated with piperacillin/tazobactam was 100 percent. In the group treated with imipenem/cilastatin it was 89 percent. The eradication rate of pathogens isolated from patients who were evaluable by biologic factors in the group treated with piperacillin/tazobactam was 100 percent and in the group treated with imipenem/cilastatin treatment, 96 percent. In the group treated with piperacillin/tazobactam the incidence and type of adverse reactions were similar to those seen with piperacillin alone. It is concluded that piperacillin/tazobactam is safe and efficacious in the treatment of patients hospitalized with intraabdominal infections and that tazobactam extends the spectrum of piperacillin.
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