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The practicality of long term patient triggered ventilation using airflow changes was assessed in 22 infants with a median gestational age of 29 weeks (range 25-33 weeks). Inflation time during patient triggered ventilation was limited to 0.4 seconds or less. Initially it was associated with improvements in oxygenation in most infants. Patient triggered(More)
BACKGROUND It is usually recommended that neonates with antenatally diagnosed hydronephrosis are put on prophylactic antibiotics and undergo the following investigations--ultrasound, MCU and a radio-isotope renogram. OBJECTIVE To question the need for such an extensive protocol in antenatally diagnosed hydronephrosis on the basis of an improved(More)
Inspiratory and expiratory volumes were measured in 51 preterm infants with respiratory distress syndrome (RDS), when comparing two ventilator rates, 60 and 120 breaths/min. Gas trapping was not demonstrated at rates of 60, but in 11 infants at 120 breaths/min and this was more common in the paralysed infants and those more mature than 31 weeks gestational(More)
We assessed the effect of albumin infusion on weight loss and ventilation requirement in sick premature infants. Thirty infants, median gestational age 29 weeks, were entered into a randomised controlled trial, at a median of 2 days of age. The infants, all with an albumin level <-30 g/l, received either 5 ml/kg of 20% albumin or 5 ml/kg of their(More)
Causes of failure of patient triggered ventilation (PTV) in neonates have been determined. In particular we have investigated the importance of the timing of ventilator inflation in the spontaneous respiratory cycle and hence the respiratory interaction provoked during PTV. Fifty-six infants (median gestational age 29 weeks) were studied on 63 occasions(More)
The usefulness of airway pressure triggered ventilation for the preterm newborn has been assessed using a new patient triggered valveless ventilator, the SLE 2000 infant ventilator (SLE 2000). This ventilator performs well at fast rates with no inadvertent positive end expiratory pressure (PEEP) even at rates of 150 breaths per minute (bpm). The ventilator(More)
The efficacy of two triggering systems was compared during neonatal patient triggered ventilation: the Graseby MR10 respiration monitor and airway pressure changes. Ten preterm infants were studied, median gestational age 33 weeks (range 28-35). Patient triggered ventilation was administered via the SLE ventilator at a series of inflation times (0.24, 0.3,(More)
The optimum level of positive end expiratory pressure (PEEP) was determined in 16 infants with respiratory distress syndrome (median gestational age 29 weeks, median postnatal age 1 day) and in 16 infants with chronic respiratory distress (median gestational age 25 weeks, median postnatal age 15 days). All infants were studied at a PEEP sequence of 3, 0, 3,(More)
In a 12-month period 28 of 164 consecutive very low birthweight (VLBW) infants receiving intensive care within 48 h of birth at King's College Hospital developed chronic lung disease, (oxygen dependence beyond 28 days of age). Fifteen of the 28 infants were eligible for home oxygen therapy, but this was only practical, because of home circumstances, in 8(More)
Fifty-nine patients (median age 6.0 years) with liver disease and ten healthy children without liver disease (median age 7.5 years) had serial measurements of functional residual capacity (FRC) over a period of at least 6 months. Twenty-eight children with alpha-1-antitrypsin deficiency (A1ATD) tended to have higher lung volumes than 26 with extrahepatic(More)