Reversibility of Grade 1 Diastolic Dysfunction

Evidence for Reversibility

The European Association of Cardiovascular Imaging and American Society of Echocardiography note that grade 1 diastolic dysfunction is potentially reversible, particularly when the underlying cause is effectively treated, with the strongest evidence showing improvement in left ventricular geometry and diastolic indices following aggressive blood pressure control in hypertensive patients and resolution of the underlying disease state 1
In patients with cirrhosis who underwent liver transplantation, there was significant improvement in systolic strain and reduced left ventricular mass following transplantation, while non-transplanted patients showed increased left ventricular mass, demonstrating that pathophysiological changes including increased left ventricular mass and diastolic dysfunction are reversible with resolution of the underlying disease 2, 3
Many clinical manifestations and alterations in cardiac structure and function in obesity cardiomyopathy are reversible with substantial weight loss due to reverse remodeling, which is partly related to favorable alterations in loading conditions, and most patients with obesity cardiomyopathy have diastolic heart failure, and symptoms can improve with weight reduction 4

The American Heart Association recommends aggressively treating hypertension to target levels, managing coronary artery disease with appropriate therapy, controlling diabetes and other metabolic disorders, addressing obesity through weight management programs, and correcting other precipitating factors including anemia, infections, and excessive alcohol intake 5

ACE inhibitors or ARBs are first-line agents that control blood pressure and may directly improve ventricular relaxation and promote regression of hypertrophy 5, 6
Beta-blockers lower heart rate and increase diastolic filling period, particularly beneficial in patients with concomitant coronary artery disease 5, 6
Calcium channel blockers (particularly verapamil-type) may lower heart rate and increase diastolic period 5, 6
Diuretics should only be used when fluid overload is present, with careful monitoring to avoid excessive preload reduction 5, 6

The American Heart Association recommends moderate dynamic exercise (walking or recreational biking), sodium restriction to <2 g/day, and weight loss in overweight/obese patients 5
Intense physical exertion and isometric exercises should be discouraged 5

Routine reassessment of echocardiograms to examine treatment response in hypertensive subjects is not recommended due to limited reproducibility of measurements on an individual patient basis, and follow-up echocardiograms may be of value to assess changes in symptom status rather than to document specific improvements in diastolic parameters 1
Most patients with hypertensive heart disease have grade 1 diastolic dysfunction, and changes in this finding are intrinsically ambiguous, and the movement of E/A ratio toward normal may paradoxically indicate either improvement or progression to more advanced disease 1

Regular echocardiographic assessment should be performed to monitor for progression to more advanced grades of diastolic dysfunction rather than to document specific improvements in grade 1 parameters 5, 7
Diastolic stress testing should be considered when resting echocardiography does not explain symptoms of dyspnea, especially with exertion 5, 7
Functional capacity and symptoms should be assessed for improvement as the primary markers of successful treatment 5