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Updated: Jul 17, 2026

A Cryoinjury Model to Study Myocardial Infarction in the Mouse

A Cryoinjury Model to Study Myocardial Infarction in the Mouse

Published on: September 19, 2019

[Histopathological changes post cryoablation in canine myocardium].

Jin-zhi Feng¹, Fang Wang, Gang Chen

¹Department of Cardiology, First People's Hospital, Shanghai Jiaotong University, Shanghai 200080, China.

Zhonghua Xin Xue Guan Bing Za Zhi

|January 16, 2007

Summary

Cryoablation effectively creates controllable lesions in canine myocardium, showing distinct histopathological changes. Lesion size depends on freezing temperature and duration, indicating its clinical feasibility.

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Area of Science:

Investigating the histopathological effects of cryoablation on cardiac tissue.
Characterizing the precise nature and dimensions of myocardial lesions induced by cryothermal ablation.

Context:

Cryoablation is an emerging therapeutic modality for cardiac conditions.
Understanding the precise lesion characteristics is crucial for optimizing cryoablation protocols.

Purpose:

To observe and document histopathological changes in canine myocardium following cryoablation.
To characterize the specific ablation lesion created by varying cryothermal parameters.

Summary:

Cryoablation was performed on canine myocardium using diverse temperature and time settings.
Discrete, well-defined lesions with heterogeneous myocardial necrosis were observed.
Lesion dimensions were found to correlate directly with both freezing temperature and duration.

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Last Updated: Jul 17, 2026

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Cox-Maze IV Procedure Concomitant with Valvular Surgery In Situs Inversus Dextrocardia: A Single-Center Experience in China

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Impact:

Cryoablation demonstrates feasibility for clinical application in cardiac procedures.
The controllable nature of myocardial lesions supports its use in therapeutic interventions.
This study provides foundational data for refining cryoablation techniques and parameters.