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Transcutaneous Microcirculatory Imaging in Preterm Neonates
06:27

Transcutaneous Microcirculatory Imaging in Preterm Neonates

Published on: December 31, 2015

[Evaluation of peripheral circulation in infants with aortic coarctation by transcutaneous pO2 measurement]

A S Sharykin, B V Shishkov

    Grudnaia I Serdechno-Sosudistaia Khirurgiia
    |October 1, 1991
    PubMed

    Insights

    This study shows that measuring tissue oxygenation can identify coarctation of the aorta (CA) in infants. Post-surgery, oxygen levels normalize, confirming the method

    Area of Science:

    • Pediatric Cardiology
    • Neonatal Physiology
    • Medical Diagnostics

    Background:

    • Coarctation of the aorta (CA) is a critical congenital heart defect.
    • Accurate diagnosis in infants is crucial for timely intervention.
    • Assessing tissue oxygenation may offer a novel diagnostic approach.

    Purpose of the Study:

    • To evaluate the utility of transcutaneous oxygen measurements in diagnosing CA in infants.
    • To assess changes in tissue oxygenation before and after CA correction.

    Main Methods:

    • Studied 14 infants (6 weeks to 8 months) with CA.
    • Measured transcutaneous oxygen availability (TavO2) at two points during oxygen inhalation (0.65).
    • Compared TavO2 values above and below the coarctation site before and after surgical repair.

    Main Results:

    • Before CA correction, TavO2 was delayed below the coarctation, indicating latent tissue hypoxia.
    • After surgical correction, TavO2 values became similar in both regions.
    • The observed differences in TavO2 correlated with the presence of CA.

    Conclusions:

    • Transcutaneous oxygen availability measurement during oxygen challenge is a potential objective method for diagnosing CA in infants.
    • This method can help confirm the existence and successful correction of CA.
    • Findings suggest a non-invasive approach to assess tissue oxygenation in congenital heart disease.

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