Cateterismo de artéria pulmonar baseado na técnica de Seldinger: um procedimento para inserir cateter de artéria pulmonar através da veia jugular em um modelo suíno

Executive Industry Relevance

This procedure enables hemodynamic assessment in preclinical models, supporting target validation and mechanistic de-risking in cardiovascular drug development. Accurate pulmonary artery catheterization provides quantitative pressure measurements that inform go/no-go decisions and reduce late-stage biological risk. The technique supports translational continuity from discovery through preclinical validation.

Strategic Applications in Biopharma R&D

Early Discovery & Target Validation

• Scientific Value: Enables interrogation of therapeutic hypotheses through direct measurement of cardiac chamber pressures.
• Operational Value: Supports biological de-risking by validating functional targets in a disease-relevant porcine model.
• Predictive Value: Generates hemodynamic data that improves predictive confidence for compound evaluation.

Screening & Assay Development

• Scientific Value: Prepares validated biological systems for downstream assay standardization and reproducibility.
• Operational Value: Facilitates quantitative dependent variable measurements essential for reliable compound screening.
• Scalability: Supports platform reuse across cardiovascular discovery workflows.

Translational & Preclinical Research

• Scientific Value: Maintains disease relevance through porcine model alignment with human cardiovascular physiology.
• Operational Value: Ensures continuity from discovery through preclinical validation via consistent pressure signal monitoring.
• Risk Mitigation: Informs risk-adjusted advancement decisions by confirming cardiopulmonary stability.

Pipeline & Workflow Integration

The method integrates into the discovery continuum from Early Discovery to Lead Identification and Preclinical work, enabling hemodynamic profiling at critical inflection points.

• Discovery Biology: Supports hypothesis testing and pathway clarification through real-time pressure signal analysis.
• Screening: Delivers assay readiness and reproducibility via standardized catheter placement and balloon inflation/deflation cycles.
• Analytics: Provides quantitative dependent variable measurements (pressure waveforms) that enable cross-condition comparison.
• Translational Research: Connects to preclinical continuity through fluoroscopy-guided placement and sustained pulmonary artery positioning.
• Enterprise Reuse: Establishes a reusable capability for cardiovascular model validation across multiple projects.

Operational & Enterprise Impact

• Scientific Value: Predictive confidence, target validation, reduction of mechanistic ambiguity in cardiovascular pathways.
• Operational Value: Standardization, reproducibility, and scalability of hemodynamic measurements.
• Strategic Value: Better go/no-go decisions, capital efficiency, and reduced late-stage biological risk.
• Portfolio Impact: Risk-adjusted prioritization and advancement decisions based on hemodynamic thresholds.

Implementation Considerations

• Required expertise in vascular access and hemodynamic monitoring.
• Instrumentation needs include Swan Ganz catheters, sheaths, guidewires, and fluoroscopy systems.
• Cross-team standardization requires consistent pressure signal interpretation and balloon manipulation protocols.
• Adaptation considerations across model species involve vessel size and anatomical trajectory adjustments.
• Practical limitations include dependence on operator skill for catheter advancement and signal interpretation.

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