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This piece of writing commends the article "Health Related Quality of Life After Neonatal Treatment of Symptomatic Tetralogy of Fallot" for its contributions to pediatric cardiology while noting key limitations. The limited sample size may limit generalizability, and further investigation of comorbidities is required to understand their influence on health-related quality of life (HRQOL). The lack of a control group limits interpretation, and longer follow-up periods are required to capture the changing obstacles experienced by children after therapy. Addressing these challenges will provide better insights into HRQOL for children with symptomatic Tetralogy of Fallot and improve treatment procedures., Competing Interests: Declarations. Conflict of interest: The authors declare no competing interests., (© 2024. The Author(s), under exclusive licence to Springer Science+Business Media, LLC, part of Springer Nature.)

Competing Interests: Conflict of Interest No conflict of interest.

Competing Interests: Declaration of competing interest The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper.

Competing Interests: Declaration of competing interest The authors claimed that no declaration of interest exist.

Competing Interests: Declaration of competing interest None.

The article "Effect of Bedside Ultrasound‑Guided Versus Fluoroscopy‑Guided Transvenous Cardiac Temporary Pacing in Children with Bradyarrhythmia" offers valuable insights into comparative short-term pacing strategies for pediatric bradyarrhythmias. This letter commends the study for its relevance and potential to improve patient care but highlights several limitations. Notably, the study overlooks the impact of genetic factors on bradyarrhythmias and treatment outcomes, lacks detailed information on the influence of medications, and does not address the cost-effectiveness of the pacing techniques. Future research should address these aspects to enhance the validity and applicability of the findings., (© 2024. The Author(s), under exclusive licence to Springer Science+Business Media, LLC, part of Springer Nature.)

While this study sheds light on the valuable clinical outcomes regarding the use of extracorporeal life support (ECLS) in managing traumatic hemopericardium, I would like to emphasize a few critical areas that would improve the study's findings., Competing Interests: Declaration of competing interest The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper., (Copyright © 2024. Published by Elsevier Ltd.)