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[Conservative treatment of non-resorptive hydrocephalus in premature infants]
U Stephani1, K Harms, E Herting
1Kinderklinik, Universität Göttingen.
Insights
Medical therapy for progressive hydrocephalus in preterm infants effectively reduced ventricular dilation. This approach delays shunting procedures, allowing for infant development and normalization of cerebrospinal fluid dynamics.
Area of Science:
- Neonatal neurology
- Pediatric neurosurgery
- Developmental pediatrics
Context:
- Perinatal asphyxia and intracranial hemorrhage commonly lead to progressive ventricular dilatation in preterm infants.
- Communicating hydrocephalus, often caused by obliterative arachnoiditis, can impede normal brain development.
- Cerebrospinal fluid shunting, a common treatment, carries significant complications, particularly in low birth-weight preterm infants.
Purpose:
- To evaluate the efficacy of medical therapy for progressive communicating hydrocephalus in preterm infants.
- To assess the potential of non-surgical interventions to manage ventricular dilatation and delay shunting.
- To determine if medical management can facilitate cerebrospinal fluid dynamics normalization and support infant development.
Summary:
- Seven preterm infants (27-34 weeks gestation, 910-1,940 g birth weight) with progressive communicating hydrocephalus received medical treatment.
- Therapy involved intermittent lumbar punctures, acetazolamide, furosemide, and electrolyte/base replacement over 46-149 days.
- All infants showed diminished ventricular dilatation; four achieved steady-state cerebrospinal fluid dynamics, while three later required shunting after 3 months of age.
Impact:
- Medical therapy provides a crucial window for preterm infant development by managing hydrocephalus.
- This approach can delay the need for invasive shunting procedures, reducing associated risks in vulnerable infants.
- Successful medical management contributes to the normalization of cerebrospinal fluid dynamics, potentially improving long-term neurological outcomes.
Abstract:
Following perinatal asphyxia and intracranial hemorrhage frequently progressive ventricular dilatation develops in preterm infants. Most common is communicating hydrocephalus due to obliterative arachnoiditis. Ventricular dilatation is reported to affect normal brain development and early therapy is recommended. Cerebrospinal fluid shunting is still accompanied by multiple complications, esp. in preterm infants with a birth-weight below 1,500 g. Seven preterm infants, born between the 27th and 34th gestational week with a birthweight of 910-1,940 g were medically treated for their progressive communicating hydrocephalus. The therapy consisted of intermittant lumbar punctures, medication of acetazolamide and furosemide as well as electrolyte and base replacement. Therapy was started at the 14th-31st postnatal day and lasted from 46 to 149 days. In all children the ventricular dilatation diminished. A steady state of cerebrospinal fluid production and absorption was regained in four children. Due to reoccurrence of ventricular dilatation shunting was performed in three others at the age of more than 3 months and with a weight of 3,620-5,170 g. Thus, medical therapy of hydrocephalus provides time for development of preterm infants, delay of shunting procedures and normalisation of cerebrospinal fluid dynamics.