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Abdominal catheter with resistance can be an alternative in hydrocephalic children, when shunt implantation is impossible due to prematurity or extreme hydrocephalus
Cerebrospinal Fluid Research volume 6, Article number: S17 (2009)
Preterm infants have a risk of developing postnatal haemorrhage and secondary hydrocephalus. In these children and those with an extreme hydrocephalus shunting is a problem due to thin vulnerable skin and very wide sutures respectively. Tapping or external ventricular drainage is a temporary treatment with risk of developing an intra-ventricular infection.
Materials and methods
Between 1977 and 2008 six hydrocephalic infants were shunted with a pre-bent ventricular catheter and an abdominal catheter with resistance. Four of the infants were prematurely born with a postnatal haemorrhage and secondary hydrocephalus and two born at term with a giant hydrocephalus. The medical records of these children were retrospectively reviewed with respect to gestational age and weight at first operation, ICP, length of catheters, complications and age at valve implantation
Four of the infants were prematurely born at 24 to 28 gestational weeks and the other two at 39 and 41 respectively. All children had thin and vulnerable skin at operation. The premature born were shunted at a weight between 700 g-1900 g and a corrected age of 28 to 36 weeks. The other two were shunted at the age of 43 and 40 weeks weighing 3800 and 4100 g respectively. At operation all infants had a bulging fontanel and the head circumference varied from +3 to +8 SD. ICP varied from 9-20 cm H2O. One prematurely born infant was not kept in supine position postoperatively and developed a subdural haemorrhage. It was treated conservatively. A real shunt was inserted at revision due to short ventricular catheter or desire to change the opening pressure at the age of 3.5 months to 6.5 years
Pre-bent ventricular catheter and an abdominal catheter with resistance is a useful alternative, when a shunt is impossible to implant. It is important to follow fontanel tonus and keep a supine position postoperatively in order to reduce rapid drainage and a risk for postoperative haemorrhage.
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Arnell, K., Nilsson, P. Abdominal catheter with resistance can be an alternative in hydrocephalic children, when shunt implantation is impossible due to prematurity or extreme hydrocephalus. Fluids Barriers CNS 6, S17 (2009) doi:10.1186/1743-8454-6-S2-S17
- Preterm Infant
- Supine Position
- Head Circumference