Abstract:
BACKGROUND:Vancomycin (VCM) treatment outcomes depend on the characteristics of the patient, and it is well known that hypoalbuminemia is a risk factor for poor treatment outcomes, as reported in a previous study. However, the reason that severe hypoalbuminemia has an influence on the treatment outcome of VCM remains unknown. OBJECTIVE:To elucidate the association between severe hypoalbuminemia and VCM treatment outcomes, we examined pharmacokinetic/pharmacodynamic (PK/PD) parameters in elderly patients with severe hypoalbuminemia. METHODS:We conducted a retrospective observational study of 94 patients with methicillin-resistant Staphylococcus aureus (MRSA) hospital-acquired pneumonia who had been treated with VCM between January 2006 and December 2012. The 94 patients were divided into severe hypoalbuminemia and non-severe hypoalbuminemia groups. The PK/PD parameters and treatment outcomes of VCM were compared between the two groups. RESULTS:The half-life of VCM in the severe hypoalbuminemia group was significantly longer than in the non-severe hypoalbuminemia group (33.2 + 5.4 vs 24.9 + 1.6; P = 0.049). Area under the concentration curve (AUC)/minimum inhibitory concentration (MIC) values of 250-450 and >450 μg × h/mL were significantly associated with 28-day mortality in the severe hypoalbuminemia group (P < 0.001), whereas AUC/MIC values of <250 μg × h/mL were not associated. We also detected a significant difference in the increased percentage of nephrotoxicity in the severe hypoalbuminemia group (6 of 23 patients [26%]) compared with the non-severe hypoalbuminemia group (6 of 71 patients [8%]; P < 0.001). CONCLUSION:These findings indicate that severe hypoalbuminemia influences the half-life of VCM and treatment outcomes in elderly patients (≥75 years of age). To establish a more effective and safer treatment protocol, the issue of malnutrition in elderly patients needs to be addressed and improved.
journal_name
Clin Interv Agingjournal_title
Clinical interventions in agingauthors
Mizuno T,Mizokami F,Fukami K,Ito K,Shibasaki M,Nagamatsu T,Furuta Kdoi
10.2147/CIA.S52259subject
Has Abstractpub_date
2013-01-01 00:00:00pages
1323-8eissn
1176-9092issn
1178-1998pii
cia-8-1323journal_volume
8pub_type
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journal_title:Clinical interventions in aging
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journal_title:Clinical interventions in aging
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pub_type: 杂志文章,评审
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pub_type: 杂志文章,meta分析
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doi:10.2147/CIA.S222655
更新日期:2019-10-23 00:00:00
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pub_type: 杂志文章,随机对照试验
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更新日期:2018-01-17 00:00:00
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更新日期:2018-09-13 00:00:00
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更新日期:2015-02-02 00:00:00