What condition is preterm infants particularly at risk for due to underdeveloped blood vessels in the brain?

• A. Heart disease
• B. Intraventricular and subdural hemorrhage
• C. Respiratory infections
• D. Gastrointestinal perforation

Answer: (B)

Preterm infants are particularly at risk for intraventricular and subdural hemorrhage due to their underdeveloped blood vessels in the brain. Intraventricular hemorrhage (IVH) refers to bleeding that occurs in the ventricles of the brain, where cerebrospinal fluid is produced. This bleeding can result from the fragility of the cerebral blood vessels that have not yet matured fully, making them more susceptible to rupture. Preterm infants often have lower overall blood volume and less protective response to fluctuations in blood pressure, which exacerbates the risk for bleeding events.

The risk of bleeding is significantly heightened in infants born before 32 weeks of gestation, as their brain and blood vessel development are still incomplete. Subdural hemorrhage can also occur, but the more common complication linked to preterm birth is intraventricular hemorrhage.

Understanding the vulnerability of preterm infants to these conditions underscores the importance of specialized care and monitoring in neonatal units, where healthcare providers can implement preventive measures and treatments to minimize associated risks and complications.