Author

Martha Sofia Ruiz Castillo

University of Utah

Listed by name: these papers carry no ORCID for this author, so different people with the same name may be mixed together.

Biology Disciplines

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Bioengineering· 1 Physiology· 1

Signature Assays, Organisms & Methods

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Approach:experimental assay· 2 Research Focus:host-pathogen & immune response· 1 Assay:imaging· 1 Organism:non-human primate· 1

Frequent Co-Authors

Ankur ShahiD· 2 shared Ava Yektaeian Vaziri· 2 shared Derek James DosdalliD· 2 shared Emmanuel OffeiiD· 2 shared Kyoichiro YazakiiD· 2 shared Muhammad S. KhaniD· 2 shared Alex Puccio· 1 shared Ravi RanjaniD· 1 shared

Activity by Year

2026-2026 · peak 2/yr

Co-Author Collaboration Network

10 top collaborators · 45 mutual co-author links

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2 shared papersPhysiology

Ankur ShahORCID

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2 papers

Recent·Most cited

Left Bundle Branch Area Pacing Preserves Mechanical Strain and Synchrony Compared to Right Ventricular Apical Pacing in an Acute Paired Preclinical Model

Emmanuel Offei, Kyoichiro Yazaki, Yuki Ishidoya, Martha Sofia Ruiz Castillo, Ava Yektaeian Vaziri, Ankur Shah, Derek James Dosdall, Muhammad S. Khan

This study compares left bundle branch area pacing and right ventricular apical pacing in dogs, finding LBBA pacing better preserves myocardial strain and synchrony.

Journal of Interventional Cardiac Electrophysiology · Apr 25, 2026Peer-reviewedPhysiology

Effect of Lead Body and Helix Design Variables on Implantation Success, Insertion Depth, and Muscle Torque in Left Bundle Branch Area: Insights from An Ex-Vivo Porcine Model

Ankur Shah, Alex Puccio, Kyoichiro Yazaki, Emmanuel Offei, Martha Sofia Ruiz Castillo, Surachat Jaroonpipatkul, Ava Yektaeian Vaziri, Muhammad S. Khan, Ravi Ranjan, Robert W. Hitchcock, Derek James Dosdall

This study evaluates how helix design and axial force affect insertion success and muscle torque in porcine septum pacing leads.

Heart Rhythm · Feb 25, 2026Peer-reviewedBioengineering