How are intraventricular hemorrhage and periventricular leukomalacia screened and managed in preterm infants?

• A. Imaging should be limited to MRI in term-equivalent age; avoid cranial ultrasound.
• B. Routine cranial ultrasound at specified intervals; prevent fluctuations in BP and CO2; treat associated complications; neurology follow-up.
• C. Imaging is unnecessary if there are no clinical signs.
• D. CT scans weekly provide the best screening.

Answer: (B)

In preterm infants, IVH and PVL are best screened and managed with serial cranial ultrasound, because these injuries can develop or evolve quietly and ultrasound at the bedside allows frequent, radiation-free monitoring. The germinal matrix in very preterm babies is fragile, so early and ongoing imaging helps detect intraventricular bleeding, hydrocephalus, and patterns suggestive of PVL, guiding timely interventions and prognosis.

The management emphasis is on keeping cerebral perfusion and oxygenation stable. Preventing fluctuations in blood pressure and CO2 helps minimize swings in cerebral blood flow that can worsen hemorrhage or white‑matter injury. This means careful hemodynamic and ventilatory management, avoiding episodes of hypo- or hypercapnia and ensuring adequate oxygen delivery.

Addressing associated complications is also crucial. Treat infections promptly, manage anemia per neonatal exchange or transfusion protocols, control seizures if they occur, and monitor for evolving hydrocephalus with follow-up imaging and neurosurgical consultation as needed. Early detection through ultrasound enables targeted care and planning for long-term neurodevelopmental support.

Imaging is not unnecessary if there are no signs; MRI can provide more detail at term-equivalent age, but it isn’t practical for routine early screening. CT is not preferred due to radiation exposure and less suitability for ongoing screening in these fragile infants.