Introduction: For preterm infants, the first two weeks after birth are a time when nutrition and protein intake is variable and often falls below recommended intakes. Our objective was to investigate the relationship between protein intake, including source of protein, during the first two weeks after birth and fat-free mass (FFM) accretion in a group of very preterm infants.
Methods: In this observational cohort study, body composition was assessed using air displacement plethysmography in eligible infants <32 weeks gestational age at two weeks after birth and prior to discharge.
Left bundle branch pacing (LBBP) has been subject to increasing interest over the last few years due to its capacity for physiological conduction and its advantages compared to His bundle pacing. His bundle pacing has certain limitations, such as a small pacing area for the His bundle, a high threshold that leads to battery depletion, a low R-wave amplitude that may result in atrial or His oversensing, and ventricular signal undersensing. In this case series, four patients (two female and two male) aged 62.
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