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La Paz University Hospital

3 ARTICLES PUBLISHED IN JoVE

Medicine

High-Resolution Endocardial and Epicardial Optical Mapping in a Sheep Model of Stretch-Induced Atrial Fibrillation

David Filgueiras-Rama¹, Raphael Pedro Martins¹, Steven R. Ennis¹, Sergey Mironov¹, Jiang Jiang¹, Masatoshi Yamazaki¹, Jérôme Kalifa¹, Josè Jalife¹, Omer Berenfeld¹

¹Center for Arrhythmia Research. Internal Medicine, University of Michigan

This report provides a detailed description of the methodology and results of simultaneous endocardial and epicardial optical mapping of electrical excitation in the intact left atrium of a Langendorff-perfused sheep heart during stretch-induced atrial fibrillation.

Medicine

Remote Magnetic Navigation for Accurate, Real-time Catheter Positioning and Ablation in Cardiac Electrophysiology Procedures

David Filgueiras-Rama¹, Alejandro Estrada¹, Josh Shachar², Sergio Castrejón¹, David Doiny¹, Marta Ortega¹, Eli Gang³, José L. Merino¹

¹Cardiology, Robotic Cardiac Electrophysiology and Arrhythmia Unit, La Paz University Hospital, ²Magnetecs Corp., ³Cardiology, Geffen School of Medicine at UCLA Los Angeles

This report provides a detailed description of a new remote navigation system based on magnetic driven forces, which has been recently introduced as a new robotic tool for human cardiac electrophysiology procedures.

Engineering

Surgical Techniques for Catheter Placement and 5/6 Nephrectomy in Murine Models of Peritoneal Dialysis

Guadalupe Tirma González-Mateo^1,2, Lucía Pascual-Antón¹, Pilar Sandoval¹, Abelardo Aguilera Peralta³, Manuel López-Cabrera¹

¹Molecular Biology Research Centre Severo Ochoa, Spanish National Research Council, ²IdiPAZ Research Institute, La Paz University Hospital, ³Princesa Research Institute, La Princesa University Hospital

This article shows the method for the surgical placement in mice of an intraperitoneal catheter attached to an access port that is positioned at the back of the animal. Moreover, it explains the procedure for a 5/6 nephrectomy to resemble the uremic state of PD patients.