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Updated: Oct 1, 2026

Left Atrial Stenosis Induced Pulmonary Venous Arterialization and Group 2 Pulmonary Hypertension in Rat
08:34

Left Atrial Stenosis Induced Pulmonary Venous Arterialization and Group 2 Pulmonary Hypertension in Rat

Published on: November 18, 2018

[Evolution of lesser circulation hypertension in patients with congenital heart defects based on the example of an

E N Meshalkin, E E Litasova, Iu A Vlasov

    Kardiologiia
    |February 1, 1979
    PubMed

    Insights

    Ventricular septal defect can lead to elevated pulmonary circulation pressure, especially in large defects. Surgical rehabilitation may help reduce pressure, but it can increase throughout life in some cases.

    Area of Science:

    • Cardiology
    • Pediatric Cardiology
    • Pulmonary Hypertension

    Context:

    • Pulmonary circulation pressure is a critical indicator in patients with ventricular septal defect (VSD).
    • Understanding pressure dynamics is essential for managing VSD and its complications.
    • Normal pulmonary circulation values are established using data from healthy individuals.

    Purpose:

    • To analyze direct pressure measurements in the pulmonary circulation of VSD patients.
    • To establish normal pulmonary circulation pressure values for comparison.
    • To evaluate the long-term effects of surgical rehabilitation on pulmonary pressure in VSD patients.

    Summary:

    • Direct pressure measurements were analyzed in 452 VSD patients (12 months to 37 years) and compared to 150 healthy individuals.
    • Repeated measurements in 46 VSD patients (18 months to 23 years) and follow-up in 85 post-surgery patients (up to 7 years) were assessed.
    • Systolic pressure decreases with age in VSD patients up to 7 years, but large defects often lead to lifelong pressure increase.

    Impact:

    • Findings provide insights into the natural history of pulmonary circulation pressure in VSD.
    • The study highlights the challenges in managing pulmonary hypertension associated with large VSDs.
    • Results inform clinical decisions regarding surgical intervention and long-term monitoring of VSD patients.

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