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TEE image quality improvement with our devised probe cover.

Yoshihisa Morita1, Taro Kariya2, Jaber El-Bashir3

  • 1Department of Anesthesiology, University of Maryland, Baltimore, Maryland, USA.

Echocardiography (Mount Kisco, N.Y.)
|July 23, 2021
PubMed
Summary
This summary is machine-generated.

A new transesophageal echocardiography (TEE) probe cover with suctioning significantly improved image quality during surgery. This enhancement in TEE imaging quality is crucial for better patient outcomes.

Keywords:
Transesophageal echocardiographyprobe cover image quality

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Area of Science:

  • Cardiovascular Imaging
  • Medical Device Technology
  • Surgical Echocardiography

Background:

  • Intraoperative transesophageal echocardiography (TEE) is vital for surgical guidance.
  • Image quality in TEE can be compromised by fluid and debris, impacting diagnostic accuracy.
  • Existing methods for maintaining TEE image clarity are often inadequate.

Purpose of the Study:

  • To evaluate the efficacy of a novel transesophageal echocardiography probe cover designed with pinpoint suction capability.
  • To determine if this devise can enhance intraoperative TEE image quality.
  • To assess the impact of suctioning on the reproducibility of key echocardiographic measurements.

Main Methods:

  • A prospective cohort study was conducted at a single tertiary medical center.
  • Patients undergoing surgery requiring intraoperative TEE were enrolled.
  • A devised TEE probe cover with integrated suction was used, with suctioning performed via an orogastric tube. Image quality was assessed using a 5-point scale and by evaluating the reproducibility of the left ventricular fraction area change (LV FAC).

Main Results:

  • Method #1 showed significant image quality improvement: 26.5% (midesophageal), 55.3% (transgastric), and 60.0% (deep transgastric) views improved.
  • Method #2 demonstrated enhanced reproducibility of LV FAC post-suctioning, with the intraclass correlation coefficient (ICC) increasing from 0.942 (pre-suction) to 0.988 (post-suction).
  • Minimal worsening of image quality was observed in a small percentage of cases across all views.

Conclusions:

  • The devised transesophageal echocardiography probe cover with suctioning capability shows potential for improving intraoperative image quality.
  • The enhanced image quality and measurement reproducibility suggest clinical utility.
  • Further studies are warranted to confirm the clinical validity and broader applicability of this TEE probe cover.