The non-lipid-dependent yeast Malassezia pachydermatis is predominantly zoophilic but occasionally colonizes the human skin. This yeast caused an outbreak in a neonatal iIntensive care unit (NICU). This study aimed to describe the molecular epidemiology of this M. pachydermatis outbreak. All the M. pachydermatis isolates collected at a French University Hospital from January 2012 to April 2013 were included in the study. M. pachydermatis isolates, sampled from various biological samples sites in 25 patients, were identified via MALDI-TOF mass spectrometry and typed using intergenic-spacer 1 (IGS1) nucleotide sequence polymorphisms analysis. By analyzing 90 IGS1 sequences (including 43 deposited in GenBank), we found that of the 186 M. pachydermatis isolates, 47 were viable for typing and all of them clustered within type 3; 78.7% clustered within the 3D subtype; the remaining clustered within three newly described subtypes: 3E (4.3%), 3F (8.5%) and 3 G (8.5%). No particular subtype was associated with a collection site or a particular time period. This first molecular investigation of a M. pachydermatis outbreak in neonates showed that multiple genotypes can colonize the same neonate patient by. The source of this polyclonal outbreak could not be identified. It stopped after infection control measures, including the prohibition of a lipid-rich moisturizing hand cream used by the health care staff, had been implemented.
Objective: To investigate the macronutrient content of human milk during the first 28 days of lactation of mothers who delivered preterm infants, and to compare preterm to term milk. Methods: A prospective and longitudinal study of mothers at various stages of lactation was conducted in the Amiens-Picardie University Hospital (France). Fat, true protein, carbohydrate and energy contents were estimated in human milk collected from each participant. Results: Macronutrients in human milk were: fat (g/100 mL), 3.36±1.01; true protein (g/100 mL), 1.34±0.61; carbohydrate (g/ 100 mL), 7.23±0.68; energy (kcal/100 mL), 72.97±9.21 for extremely preterm human milk; fat (g/100 mL), 3.47±1.14; true protein (g/100 mL) 1.32±0.63; carbohydrate g/100 mL), 7.28±1.10; energy (kcal/100 mL), 76.18±12.84 for very preterm human milk; fat (g/100 mL), 3.48±0.87; true protein (g/100 mL), 1.26±0.46
BDG is increased after RBC and FFP transfusions in neonates, leading to overdiagnosis of IFI. Fungal colonization status in peripheral sites and central cultures could help to reduce the risk of misdiagnosis.
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