Acute fatty liver of pregnancy: clinical and diagnostic controversies, complications and prognosis

Стрижаков, А.Н.; Ignatko, I.V.; Timokhina, Elena; Dyuzheva, T. G.; Afanasyeva, N. V.; Голубенко, Е О; Дудина, И. А.; Matsneva, I.A.

doi:10.20953/1726-1678-2019-3-133-139

Vopr. ginekol. akuš. perinatol.

2019

DOI: 10.20953/1726-1678-2019-3-133-139

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Acute fatty liver of pregnancy: clinical and diagnostic controversies, complications and prognosis

А.Н. Стрижаков¹,

I.V. Ignatko²,

Elena Timokhina³

et al.

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Amoxicillin/clavulanic-acid

2020

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Previous studies have demonstrated that Nocardia brasiliensis is susceptible to amoxicillin-clavulanic acid and that its I8-lactamases are inhibited in vitro by, clavulanic acid. A cardiac transplant patient with disseminated infection caused by N. brasiliensis was treated with this drug combination with good response, but relapsed while still on therapy. The relapse isolate was found to be identical to the initial isolate by using genomic DNA restriction fragment patterns obtained by pulsed field gel electrophoresis, but it was resistant to amoxicillin-clavulanic acid. On isoelectric focusing, the ,I-lactamase from the relapse isolate exhibited a shift in the isoelectric point (pl) of its major band from 5.10 to 5.04 compared with the enzyme from the pretreatment isolate. As determined by using values of the amount of ,-lactamase inhibitor necessary to give 50 5% inhibition of P-lactamase-mediated hydrolysis of 50 FM nitrocefin, the I8-lactamase of the relapse isolate was also 200-fold more resistant than the enzyme from the pretreatment isolate to clavulanic acid and was more resistant to sulbactam, tazobactam, cloxacillin, and imipenem. The I-lactamase of the relapse isolate exhibited a 10-fold decrease in hydrolytic activity for cephaloridine and other hydrolyzable cephalosporins compared with that for nitrocefin. Acquired resistance to amoxicillin-clavulanic acid in this isolate of N. brasiliensis appears to have resulted from a mutational change affecting the inhibitor and active site(s) in the

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Amoxicillin/clavulanic-acid

2020

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Acute fatty liver of pregnancy: clinical and diagnostic controversies, complications and prognosis

Cited by 1 publication

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Amoxicillin/clavulanic-acid

Amoxicillin/clavulanic-acid

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