Why the study?
mTEER requires high fidelity intraprocedural TEE, leaving patients with contraindications to TEE with limited options, while evidence for volumetric ICE guidance has been limited to case reports or single-center series.
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Population
Patients intolerant or with contraindications to TEE undergoing MitraClip
Design
Multicenter registry
May offer alternative imaging for mTEER in TEE-contraindicated patients; leaves open need for prospective validation.
The success of mitral transcatheter edge-to-edge repair (mTEER) requires high fidelity intraprocedural transesophageal echocardiography (TEE) for optimal transeptal puncture guidance, device steering, and clip implantation. Patients with absolute or relative contraindications to TEE (eg, esophageal/gastric disease, cervical/thoracic spinal disease, and coagulopathies) have limited options. Previous case reports or single-center series have demonstrated the feasibility of volumetric intracardiac echocardiogram (vICE) to provide adjunctive imaging or as a means to guide the entire procedure.
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Pham et al. (2023) studied this question.