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Benefits of Cardiac Resynchronization Therapy in an Asynchronous Heart Failure Model Induced by Left Bundle Branch Ablation and Rapid Pacing
Published on: December 11, 2017
[Therapy of heart failure. I. Definition, pathophysiology, therapy of acute heart failure]
1Klinik III für Innere Medizin, Universität Köln.
Insights
Acute cardiac insufficiency, often caused by hypertension or heart disease, has a poor prognosis despite treatment advances. New therapeutic strategies are needed to improve survival rates in heart failure patients.
Area of Science:
- Cardiology
- Internal Medicine
Context:
- Acute cardiac insufficiency stems from heart overload due to hypertension, coronary heart disease, or myocardial infarction.
- Despite increasing incidence, heart failure morbidity and mortality remain high, with a 30% 12-month mortality rate.
Purpose:
- To review the current understanding of acute cardiac insufficiency and its treatment challenges.
- To highlight the correlation between neuroendocrine activation markers and patient prognosis.
Summary:
- Causal treatments like managing hypertension or correcting valvular disease are preferred.
- Current therapies improve hemodynamics and physical performance but do not prolong survival.
- Prognosis is strongly linked to neuroendocrine activation markers.
Impact:
- Identifies a critical need for novel therapeutic approaches based on new pathophysiological insights.
- Emphasizes the limitations of existing treatments in improving long-term survival for heart failure patients.
Abstract:
Acute cardiac insufficiency is often the result of acute or chronic overloading of the heart due to arterial hypertension, coronary heart disease and/or a reduction in ventricular muscle mass following myocardial infarction. Whenever possible, treatment should be causal (e.g. treatment of hypertension, operative correction of valvular disease). While the incidence of heart failure continues to increase, morbidity and mortality associated with the disease process have remained essentially unchanged. About 30% of the patients die within the first 12 months. The prognosis and outcome of heart failure patients strongly correlate with markers of neuroendocrine activation. While numerous drugs are capable of improving hemodynamics at rest or physical performance, they fall to prolong survival. It is hoped, that new pathophysiological information might lead to the development of new, effective therapeutic approaches.
Related Concept Videos
Pathophysiology of Heart Failure
Heart Failure I: Introduction
Heart Failure II: Pathophysiology
Heart Failure IV: Classification and Diagnostic Evaluation
Heart Failure V: Medical Management
Heart Failure VI: Adjunct Therapies

