Lahmer Tobias, Batres Baires Gonzalo, Schmid Roland M, Wiessner Johannes R, Ulrich Jörg, Reichert Maximilian, Huber Wolfgang, Sörgel Fritz, Kinzig Martina, Rasch Sebastian, Mayr Ulrich
Klinik und Poliklinik für Innere Medizin II, Klinikum rechts der Isar der Technischen Universität München, Ismaningerstrasse 22, 81675 Munich, Germany.
IBMP-Institute for Biomedical and Pharmaceutical Research, Paul-Ehrlich-Straße 19, 90562 Nürnberg-Heroldsberg, Germany.
J Fungi (Basel). 2021 May 11;7(5):376. doi: 10.3390/jof7050376.
Fungal peritonitis is a life-threatening condition which is not only difficult to diagnose, but also to treat. Following recent guidelines, echinocandins and azoles are the recommended antimycotics for the management of intra-abdominal spp. infections, with a favor for echinocandins in critically ill patients. However, the new extended spectrum triazole isavuconazole also has a broad spectrum against spp. Data on its target-site penetration are sparse. Therefore, we assessed isavuconazole concentrations and penetration ratios in ascites fluid of critically ill patients. Obtaining of Isavuconazole plasma and ascites fluid levels as well penetration ratios using paracentesis in critically ill patients. Isavuconazole concentrations were quantified in human plasma and ascites by a liquid chromatography/tandem mass spectrometry (LC-MS/MS) method. Isavuconazole concentrations in plasma and ascites fluid were measured in sixteen critically ill patients. Isavuconazol levels in ascites fluid (1.06 µg/mL) were lower than plasma levels (3.08 µg/mL). Penetration ratio was 36%. In two out of sixteen patients, spp., in detail C. glabrata and C. tropicalis, could be isolated. Cmax/MIC Ratio in plasma of 560 for C. glabrata and 2166 for C. tropicalis could be observed. Following our results, isavuconazole penetrates into ascites. Successful treatment in spp. peritonitis depends on pathogen susceptibility.
真菌性腹膜炎是一种危及生命的疾病,不仅难以诊断,而且难以治疗。根据最新指南,棘白菌素和唑类是推荐用于治疗腹腔内感染的抗真菌药物,在重症患者中更倾向于使用棘白菌素。然而,新型广谱三唑类药物艾沙康唑对也有广泛的抗菌谱。关于其靶位渗透的数据很少。因此,我们评估了重症患者腹水中艾沙康唑的浓度和渗透比。通过腹腔穿刺术获取重症患者的艾沙康唑血浆和腹水水平以及渗透比。采用液相色谱/串联质谱(LC-MS/MS)法对人血浆和腹水中的艾沙康唑浓度进行定量。测定了16例重症患者血浆和腹水中的艾沙康唑浓度。腹水中的艾沙康唑水平(1.06μg/mL)低于血浆水平(3.08μg/mL)。渗透比为36%。在16例患者中的2例中分离出,具体为光滑念珠菌和热带念珠菌。光滑念珠菌血浆中的Cmax/MIC比值为560,热带念珠菌为2166。根据我们的结果,艾沙康唑可渗透到腹水中。治疗性腹膜炎的成功取决于病原体的敏感性。