Why does null hypothesis testing matter for AVF-induced VO target validation?

Null hypothesis testing in the AVF-induced VO model enables objective assessment of whether observed cardiac changes are attributable to volume overload rather than procedural artifacts, supporting robust target validation in pediatric heart disease research.

How does independent variable isolation fit the echocardiographic workflow?

Isolating the variable of VO through controlled AVF creation and confirmation by ultrasound ensures that downstream echocardiographic measurements reflect true physiological remodeling, enhancing discovery-stage data integrity.

What do quantitative dependent variable measurements enable in this model?

Quantitative measurements such as RV stroke volume, cavity size, and systolic pressure provide actionable endpoints for comparing intervention effects and enable cross-study reproducibility in preclinical cardiac research.

Why are replication requirements critical for cross-functional collaboration?

Replication of AVF patency and VO confirmation across cohorts ensures that findings are robust and transferable, facilitating collaboration between discovery, translational, and preclinical teams.

What statistical analysis capabilities are required before model implementation?

Statistical analysis must support comparison of hemodynamic and morphological endpoints, including group means and variability, to validate model consistency and inform go/no-go decisions in R&D pipelines.

Etablissement et confirmation d’un modèle murin de surcharge du volume ventriculaire droit postnatal

1.7K vues

Cité 6 fois

06:04 min

9 juin 2023

10.3791/65372-v

9 juin 2023

1.7K vues

Sijuan Sun^*¹ , Hongbin Zhu^*² , Shoubao Wang³ , Xiuxia Xu⁴ , Lincai Ye²^,⁵^,⁶

¹Department of Pediatric Intensive Care Unit, Shanghai Children’s Medical Center, School of Medicine, Shanghai Jiaotong University, ²Department of Thoracic and Cardiovascular Surgery, Shanghai Children’s Hospital, School of Medicine, Shanghai Jiaotong University, ³Department of Plastic and Reconstructive Surgery, Shanghai Ninth People’s Hospital, School of Medicine, Shanghai Jiao Tong University, ⁴Department of Radiology, Huangpu Branch, Shanghai Ninth People’s Hospital, Shanghai Jiao Tong University School of Medicine, ⁵Institute of Pediatric Translational Medicine, Shanghai Children’s Medical Center, School of Medicine, Shanghai Jiaotong University, ⁶Shanghai Institute for Pediatric Congenital Heart Disease, Shanghai Children’s Medical Center, School of Medicine, Shanghai Jiaotong University

^* These authors contributed equally

Ce protocole présente l’établissement et la confirmation d’un modèle de surcharge du volume ventriculaire droit postnatal chez la souris atteinte de fistule artérioveineuse abdominale (FAV), qui peut être appliqué pour étudier comment la VO contribue au développement cardiaque postnatal.