Slow-acetylation-mutated alleles may be considered low-penetrance genes in early-onset PD pathogenesis, with a relative risk ratio for individuals with slow-acetylation genotype of 2.92 (95% CI, 1.26 to 6.78). This study provides evidence for the interaction of genetic and environmental factors in the etiology of sporadic PD.
To our knowledge, we report the first failure of cefotaxime in the treatment of meningitis due to relatively resistant Streptococcus pneumoniae (MICs of penicillin and cefotaxime, 1 microgram/mL). Cure was achieved with a 14-day course of intravenous and intrathecal vancomycin. We recommend that in cases of meningitis caused by strains of S. pneumoniae for which MICs are > or = 1 microgram/mL, cefotaxime should be used with caution; however, if therapeutic failure is suspected therapy should be changed to intravenous and intrathecal vancomycin.
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