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Updated: Aug 18, 2026

A Pacing-Controlled Procedure for the Assessment of Heart Rate-Dependent Diastolic Functions in Murine Heart Failure Models
Published on: July 21, 2023
Diastolic dysfunction complicating anesthetic management
Madan Mohan Maddali1, Makam Pratap, John Valliattu
1Royal Hospital, Muscat, Sultanate of Oman. madan@omantel.net.om
Insights
Coronary artery disease and constrictive pericarditis cause diastolic dysfunction. Revascularization and nitroglycerin improved hemodynamics and diastolic function in a patient undergoing pericardiectomy.
Area of Science:
- Cardiology
- Cardiac Surgery
Background:
- Coronary artery disease (CAD) and constrictive pericarditis (CP) can coexist, leading to diastolic dysfunction.
- Diastolic dysfunction in this context often presents with a restrictive filling pattern and preserved systolic function.
Observation:
- A case study involving a patient with pre-existing diastolic dysfunction due to CP and CAD.
Findings:
- The patient underwent elective pericardiectomy and off-pump coronary artery bypass grafting.
- Post-revascularization, administration of nitroglycerin significantly improved hemodynamic parameters.
- A notable decrease in intra-chamber filling pressures indicated enhanced diastolic function.
Implications:
- Revascularization plays a crucial role in managing diastolic dysfunction in patients with combined CAD and CP.
- Vasodilators like nitroglycerin can be effective therapeutic tools for improving diastolic function in these complex cases.
Abstract:
Coronary artery disease combined with constrictive pericarditis results in diastolic dysfunction with a well-preserved systolic function. A case of constrictive pericarditis with a restrictive filling pattern and a well-established preoperative diastolic dysfunction, that had an elective pericardiectomy and an off pump coronary artery by pass graft, is discussed. Once revascularization was performed, introduction of Inj. nitroglycerine resulted in a dramatic improvement in the hemodynamics, along with a drop in the intra chamber filling pressures, indicating an improvement in the diastolic function. The role of revascularization and vasodilators as therapeutic tools in the management of diastolic dysfunction in such cases, is highlighted.
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