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Oral mucosal microvascular abnormalities: an early marker of bronchopulmonary dysplasia

Claudio de Felice1, Giuseppe Latini, Stefano Parrini

  • 1Neonatal Intensive Care Unit, Azienda Ospedaliera Universitaria Senese, University of Siena, I-53100 Siena, Italy. defelice.claudio@libero.it

Pediatric Research
|October 8, 2004
PubMed

Insights

Infants with bronchopulmonary dysplasia (BPD) exhibit early abnormal oral vascular networks, characterized by reduced blood vessel area and increased complexity. This finding suggests a potential new early clinical sign for BPD.

Area of Science:

  • Neonatal Medicine
  • Vascular Biology
  • Pediatric Pulmonology

Background:

  • Bronchopulmonary dysplasia (BPD) is associated with abnormal pulmonary vasculature.
  • Early detection of BPD indicators is crucial for timely intervention.

Purpose of the Study:

  • To investigate early abnormal vascular network patterns in the oral mucosa of infants with BPD.
  • To determine if oral mucosal vascularization differs between infants with and without BPD.

Main Methods:

  • Examined oral mucosal vascular networks in 15 infants with BPD and 15 controls on postnatal days 1 and 28.
  • Analyzed blood vessel area, complexity (D, L-Z), and tortuosity (Dmin) of oral vascular loops.
  • Correlated vascular findings with clinical factors like gestational age, birth weight, and illness severity.

Main Results:

  • Infants with BPD had significantly lower blood vessel area in oral mucosa compared to controls.
  • Oral vascular networks in BPD infants showed significantly higher complexity (D 1-46, D 1-15, L-Z).
  • BPD infants presented with higher rates of histologic chorioamnionitis, longer intubation duration, and increased oxygen supplementation.

Conclusions:

  • Early alterations in oral mucosal vascularization, including reduced area and increased complexity, are present in infants with BPD.
  • These oral vascular changes may serve as a novel early clinical sign for BPD.
  • Disordered oral mucosal vascularization appears to be an important factor in BPD pathogenesis.

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