Abstract
Duct-dependent pulmonary circulation has traditionally been addressed by the Blalock–Taussig–Thomas shunts (BTTS). Recently, catheter-based alternatives such as ductal stenting have emerged as a particularly advantageous option, especially in resource-constrained settings. This article delves into the nuances of ductal stenting within low-resource environments, highlighting its relative ease of application, reduced morbidity, and cost-effectiveness as key factors in its favor. Comparisons in mortality between the two procedures are however likely to be confounded by selection biases. Ductal stenting appears to be particularly beneficial for palliating older infants and children with cyanotic congenital heart disease and diminished pulmonary blood flow who present late. Additionally, it serves as a valuable tool for left ventricular training in late-presenting transposition with an intact ventricular septum. A meticulous pre-procedure echocardiographic assessment of anatomy plays a pivotal role in planning access and hardware, with additional imaging seldom required for this purpose. The adaptation of adult coronary hardware has significantly enhanced the technical feasibility of ductal stenting. However, challenges such as low birth weight and sepsis specifically impact the performance of ductal stenting and patient recovery in low-resource environments. There is potential for systematic application of quality improvement processes to optimize immediate and long-term outcomes of ductal stenting. There is also a need to prospectively examine the application of ductal stenting in low-resource environments through multi-center registries.
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We would like to acknowledge the assiatance of Dr Krishna Prasenan, Reserach Assistant, Department of Pediatric Cardiology in typesetting the manuscript.
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Criteria for authorship: Navaneetha Sasikumar: conceptualization, data curation, formal analysis, investigation, methodology, supervision, visualization, writing—original draft preparation , writing—review and editing. Pranoti Toshniwal: data curation, formal analysis, visualization, writing—original draft preparation, writing—review and editing. Abish Sudhakar: data curation, formal analysis, investigation, methodology, writing—review and editing. Praveen Reddy Bayya: data curation, formal analysis, visualization, writing—original draft preparation, writing—review and editing. Raman Krishna Kumar: conceptualization, formal analysis, investigation, methodology, resources, supervision, validation, visualization, writing—original draft preparation , writing—review and editing.
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Sasikumar, N., Toshniwal, P., Bayya, P.R. et al. Ductal Stenting in Low-Resource Environments. Pediatr Cardiol (2024). https://doi.org/10.1007/s00246-024-03496-8
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DOI: https://doi.org/10.1007/s00246-024-03496-8