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Similar Publications

Transesophageal echocardiography using a microprobe for determination of transcatheter procedural candidacy, device selection, and procedural monitoring in small dogs with patent ductus arteriosus.

J Vet Cardiol

April 2024

Department of Small Animal Clinical Sciences, College of Veterinary Medicine & Biomedical Sciences, Texas A&M University, 4474 TAMU, College Station, TX 77843-4474, USA.

Introduction: Small dogs with patent ductus arteriosus (PDA) may be unable to undergo transesophageal echocardiography (TEE) with traditional probes.

Objectives: To report the utility of TEE using a microprobe in dogs weighing less than 4 kg diagnosed with PDA for determination of transcatheter procedural candidacy, device selection, and intraoperative procedural guidance.

Animals: Eight dogs weighing less than 4 kg diagnosed with PDA.

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Article Synopsis
  • The study compares the traditional method of patent foramen ovale (PFO) closure using transoesophageal echocardiography (TEE) under general anesthesia with a newer technique using transnasal echocardiography (microTNE) under conscious sedation.
  • Results indicated that the success rate for microTNE was slightly lower (97.2%) compared to TEE (100%), but the procedure time was significantly shorter for microTNE (21 minutes vs. 30 minutes).
  • Overall, microTNE was found to be a safe alternative for guiding PFO closure, leading to less inflammation post-procedure compared to TEE, making it a more efficient option.
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Background: Recent randomized trials have demonstrated a consistent reduction in recurrent stroke after percutaneous transcatheter patent foramen ovale closure versus medical therapy in patients with recent cryptogenic stroke.

Aim: To compare the safety and efficacy of intracardiac echocardiography-guided and microprobe transoesophageal echocardiography-guided patent foramen ovale closure under local anaesthesia with transoesophageal echocardiography-guided patent foramen ovale closure under general anaesthesia.

Methods: This prospective observational single-centre study included 194 consecutive patients scheduled for patent foramen ovale closure for secondary prevention of stroke from February 2018 to December 2019.

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Evaluation of two probes for transesophageal echocardiography in small dogs: imaging capabilities, image quality, and usability.

J Vet Cardiol

February 2023

Department of Small Animal Clinical Sciences, School of Veterinary Medicine and Biomedical Sciences, Texas A&M University, College Station, TX, USA. Electronic address:

Introductions: Patient size is a limiting factor for transesophageal echocardiography (TEE) in small dogs. The objective of this study was to describe imaging capabilities of two probes for TEE in small dogs.

Animals, Materials, And Methods: Prospective study in 10 client-owned dogs weighing <4 kg with congenital heart disease (CHD).

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Prospective evaluation of complications associated with transesophageal echocardiography in dogs with congenital heart disease.

J Vet Intern Med

March 2022

Department of Small Animal Clinical Sciences, College of Veterinary Medicine and Biomedical Sciences, Texas A&M University, College Station, Texas, USA.

Background: Transesophageal echocardiography (TEE) is useful in the assessment and procedural monitoring of congenital heart disease (CHD) with a relatively low complication rate in humans.

Objectives: To evaluate the safety of TEE and report complications in dogs.

Animals: Forty client-owned dogs with CHD.

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