Incidence of Neutropenia during Treatment of Bone-Related Infections with Piperacillin-Tazobactam
2003
Of 41 patients with bone-related infections who were treated for ⩾10 days with piperacillin-tazobactam, 14 (34%) developed neutropenia. Cumulative doses of piperacillin administered to neutropenic patients were higher than those administered to nonneutropenic ones (330 vs. 237 g; P = .008), and an inverse correlation was detected between the absolute neutrophil count at the end of treatment and the cumulative dose of piperacillin (r = -0.47, P = .002). Moreover, the incidence of piperacillin-tazobactam—induced neutropenia increased with an increase in the cumulative dose of piperacillin: 0% of patients in the first quartile of cumulative piperacillin doses, 33.3% in the second quartile, 40% in the third quartile, and 66.7% in the fourth quartile.
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