Is Intrinsic Cardioprotection a Laboratory Phenomenon or a Clinically Relevant Tool to Salvage the Failing Heart?

Tanya Ravingerova1, Adriana Adameova1,2, Lubomir Lonek1

  • 1Institute for Heart Research, Centre of Experimental Medicine, Slovak Academy of Sciences, 9 Dubravska cesta, 841 04 Bratislava, Slovakia.

Insights

Cardiovascular diseases remain a major health threat, leading to heart failure (HF). Novel preconditioning strategies offer promising avenues for protecting the heart against injury and improving HF treatment.

Area of Science:

  • Cardiology
  • Molecular Biology
  • Pathophysiology

Background:

  • Cardiovascular diseases, particularly ischemic heart disease, are leading causes of heart failure (HF) and mortality.
  • Despite advances in treatment, HF incidence is rising, especially in the elderly, with worse outcomes in females.
  • Ischemic preconditioning (IPC) demonstrates cardioprotective effects by adapting the heart to stress, but clinical translation is challenging.

Purpose of the Study:

  • To review the molecular mechanisms underlying heart injury and repair in the context of cardiovascular diseases.
  • To explore various preconditioning strategies, including traditional IPC, remote IPC, hypoxia, and exercise-induced preconditioning, as potential interventions for HF.
  • To discuss the promise of noninvasive adaptive interventions in combating HF by targeting its complex mechanisms.

Main Methods:

  • Review of existing literature on molecular mechanisms of cardiac injury and repair.
  • Analysis of studies investigating different forms of preconditioning (IPC, remote IPC, hypoxia, exercise).
  • Discussion of the clinical applicability and effectiveness of these interventions.

Main Results:

  • Ischemic preconditioning (IPC) shows an infarct-sparing effect, enhancing cardiac resistance to severe insults.
  • Novel approaches like remote IPC, hypoxia adaptation, and exercise-induced preconditioning are being explored for clinical application in HF.
  • While molecular mechanisms are not fully elucidated, noninvasive preconditioning strategies show potential for HF treatment.

Conclusions:

  • Cardiovascular diseases and resultant heart failure pose a significant and growing public health challenge.
  • Adaptive interventions, particularly noninvasive preconditioning methods, represent promising strategies for enhancing cardiac tolerance and treating HF.
  • Further research into the molecular underpinnings of these interventions is crucial for optimizing their clinical use in managing heart failure.

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