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Clinical benefits of therapeutic drug monitoring of vancomycin therapy in patients with postoperative intracerebral hemorrhage: a retrospective cohort study
  1. Huanhuan Liu1,2,
  2. Hongxin Yang1,
  3. Xiaobin Guo1,
  4. Yingchun Bai2,
  5. Guleng SiRi1
  1. 1Department of Pharmacy, Inner Mongolia Autonomous Region People's Hospital, Hohhot, Inner Mongolia, China
  2. 2Department of Pharmacy, Baotou Medical College, Baotou, Inner Mongolia, China
  1. Correspondence to Dr Guleng SiRi, Inner Mongolia Autonomous Region People's Hospital, Hohhot, Inner Mongolia 010000, China; srgl985{at}126.com

Abstract

Objective The objective of this study was to investigate the clinical efficacy and safety of conducting therapeutic drug monitoring (TDM) of vancomycin in patients with postoperative intracerebral haemorrhage.

Methods We conducted a retrospective analysis of 435 patients who experienced postoperative cerebral haemorrhage and were treated with vancomycin in the Department of Neurosurgery of Inner Mongolia Autonomous Region People’s Hospital from January 2017 to December 2021. Patients were then matched using the propensity score matching method in a ratio of 1:1. Ninety-two pairs of cases were successfully matched, and the data before and after performing vancomycin TDM were analysed.

Results After PSM, the baseline data of the two groups were balanced. There were no significant differences in the 14-day mortality and length of hospital stay (p>0.05) between the two groups. Compared with the non-TDM group, the TDM group had a higher proportion of patients with normal white blood cells (83.7% vs 56.5%, p=0.000), neutrophil count (57.6% vs 25.0%, p=0.000) and attaining desirable reductions of 80% in procalcitonin (65.2% vs 10.9%, p=0.000) and C-reactive protein (78.3% vs 41.3%, p=0.000) levels. At US$15.82 per additional TDM, TDM significantly promoted patient outcomes, as seen in improvements in the proportion of patients attaining desirable levels of white blood cells, neutrophil count, procalcitonin and C-reactive protein.

Conclusions Vancomycin TDM is a safe and effective approach for the treatment of patients with postoperative intracerebral haemorrhage. The empirical use of TDM of vancomycin significantly improved normal values of white blood cells and neutrophil count, achieved desirable reductions of 80% in procalcitonin and C-reactive protein, and reduced nephrotoxicity in patients with postoperative intracerebral haemorrhage.

  • Therapeutic drug monitoring
  • Research Design
  • CLINICAL MEDICINE
  • NEUROSURGERY
  • Cost-Benefit Analysis

Data availability statement

No data are available. no data are available.

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Data availability statement

No data are available. no data are available.

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