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[Postpneumonectomy syndrome: several new anesthesiological and pathophysiological aspects]
Anesteziologiia I Reanimatologiia
|January 1, 1994
Summary
Postpneumonectomy syndrome (PPS) involves respiratory and right heart issues. Calcium channel blockers may help correct these post-surgery complications, improving heart function and hemodynamics.
Area of Science:
- Cardiology
- Pulmonology
- Thoracic Surgery
Background:
- Postpneumonectomy syndrome (PPS) is characterized by acute respiratory disturbances and right heart dysfunction.
- Alterations in lung filtration and absorption functions contribute to PPS.
- Initial right chamber pressure levels are implicated in PPS pathogenesis.
Purpose of the Study:
- To elucidate the details of postpneumonectomy syndrome pathogenesis.
- To investigate the role of initial right chamber pressure in PPS.
- To explore potential therapeutic approaches for postpneumonectomy syndrome correction.
Main Methods:
- Study involved 26 patients who underwent pneumonectomy.
- Central hemodynamics, lung filtration/absorption functions, and extravascular lung water (EVLW) were assessed.
- Hemodynamic effects of the calcium channel blocker finoptin were evaluated.
Main Results:
- Initial pulmonary hypertension plays a role in postpneumonectomy syndrome pathogenesis.
- Finoptin administration improved right heart function (increased EF, EDV), blood flow, and decreased PCWP.
- All patients exhibited increased extravascular lung water (EVLW) up to 7-8 ml/kg.
Conclusions:
- Altered right heart diastolic function is a key factor in hemodynamic and gas exchange disturbances in PPS.
- Calcium channel blockers, such as finoptin, represent a potential therapeutic strategy for correcting PPS deviations.
- Further research into the role of right heart function and pharmacological interventions in PPS is warranted.