Perinatal Infections: An Important Etiological Risk Factor for Mineralizing Angiopathy

Mahesh Kamate1, Nalla Anuraag Reddy2, Mayank Detroja3

  • 1Division of Pediatric Neurology, Department of Pediatrics, KAHER's Jawaharlal Nehru Medical College, Belagavi, Belgaum, Karnataka, India. drmaheshkamate@gmail.com.

Insights

Perinatal infections like premature rupture of membranes and neonatal sepsis may cause mineralizing angiopathy in children. This study found a higher prevalence of these infections in affected children compared to controls.

Area of Science:

  • Pediatric Neurology
  • Neonatal Medicine
  • Infectious Diseases

Background:

  • Mineralizing angiopathy is an emerging cause of ischemic stroke in pediatric populations.
  • The etiology of mineralizing angiopathy remains unclear, with congenital and perinatal infections being investigated.
  • Understanding risk factors is crucial for preventing pediatric stroke.

Purpose of the Study:

  • To investigate the prevalence of perinatal infections in children diagnosed with mineralizing angiopathy.
  • To compare the incidence of perinatal infections between children with mineralizing angiopathy, focal cerebral arteriopathy, and non-stroke controls.
  • To identify potential etiological links between perinatal infections and mineralizing angiopathy.

Main Methods:

  • A case-control study involving 16 children with mineralizing angiopathy, 14 with focal cerebral arteriopathy, and 40 non-stroke patients.
  • Detailed parental interviews were conducted to ascertain history of perinatal infections, specifically premature rupture of membranes (PROM) and neonatal sepsis.
  • Statistical analysis was performed to compare infection prevalence across the groups.

Main Results:

  • Perinatal infections were identified in 68.2% (8/16) of children with mineralizing angiopathy, including PROM and neonatal sepsis.
  • None of the children with focal cerebral arteriopathy exhibited a history of perinatal infection.
  • A history of PROM was reported in only 7.5% (3/40) of non-stroke controls, a statistically significant difference compared to the mineralizing angiopathy group.

Conclusions:

  • Perinatal infections, including premature rupture of membranes and neonatal sepsis, are significantly more prevalent in children with mineralizing angiopathy.
  • These findings suggest that perinatal infections may represent an important etiological risk factor for mineralizing angiopathy in pediatric stroke.
  • Further research is warranted to elucidate the precise mechanisms linking perinatal infections to the development of mineralizing angiopathy.

Related Concept Videos

Regulation of Angiogenesis and Blood Supply01:24

Regulation of Angiogenesis and Blood Supply

Rapidly dividing tumors, embryos, and wounded tissues require more oxygen than usual, lowering the oxygen concentration in the blood. At low oxygen or hypoxic conditions, an oxygen-sensitive transcription factor called the hypoxia-inducible factor 1 or HIF1 is activated. HIF1 is a dimeric protein of alpha (ɑ) and beta (β) subunits.  Under optimal oxygen conditions, HIF1β is present in the nucleus while HIF1ɑ remains in the cytosol. HIF1ɑ is hydroxylated by prolyl...
3.2K
Mechanism of Angiogenesis01:10

Mechanism of Angiogenesis

Blood vessel formation starts early during embryonic development, around day 7. In the extraembryonic yolk sac, mesodermal precursor cells called hemangioblast proliferate and differentiate into angioblast. Angioblasts express vascular endothelial growth factor receptor 2 or VEGFR2, which binds VEGF-A, a proangiogenic factor, guiding blood vessel formation. VEGF signaling promotes angioblasts to form a blood island in the developing embryo. Angioblasts further differentiate, giving rise to...
6.5K
Acute Pyelonephritis I: Introduction01:27

Acute Pyelonephritis I: Introduction

Pyelonephritis is a bacterial infection that primarily affects the renal parenchyma and collecting system, including the renal pelvis, tubules, and interstitial tissue of one or both kidneys. It can be classified as either acute—a sudden, severe infection—or chronic, which refers to long-term or recurrent kidney infections.The primary cause of acute pyelonephritis (APN) is bacterial infection, with Escherichia coli accounting for approximately 70-80% of cases. Other bacteria, such...
347
Teratogenicity01:07

Teratogenicity

The ability of a drug to produce structural deformations and functional abnormalities in the developing embryo or the fetus is called teratogenicity, and the drug producing this effect is known as a teratogen. Teratogenic effects include stillbirth, miscarriage, intrauterine growth restriction, and neurocognitive delay. A teratogen may affect the embryo at different stages of development, which is important in determining the type and extent of the damage. During blastocyst formation, the early...
3.8K