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Related Concept Videos

Computed Tomography01:10

Computed Tomography

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Tomography refers to imaging by sections. Computed tomography (CT) is a non-invasive imaging technique that uses computers to analyze several cross-sectional X-rays to reveal minute details about structures in the body.
The technique was invented in the 1970s and is based on the principle that as X-rays pass through the body, they are absorbed or reflected at different levels. In the technique, a patient lies on a motorized platform while a computerized axial tomography (CAT) scanner rotates...
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Imaging Studies III: Computed Tomography01:27

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DefinitionComputed Tomography (CT) of the genitourinary (GU) tract is a non-invasive imaging modality that utilizes X-rays and computer processing to generate detailed cross-sectional images of the urinary system, encompassing the kidneys, ureters, bladder, and adjacent structures such as the adrenal glands.PurposeCT scans of the GU tract serve several diagnostic and therapeutic purposes, including:Diagnosis of Urinary Tract Diseases: Detects kidney stones, tumors, cysts, and congenital...
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Optical Coherence Tomography Based Biomechanical Fluid-Structure Interaction Analysis of Coronary Atherosclerosis Progression
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Improving efficiency and operator proficiency during percutaneous coronary interventions utilizing a standardized

Matheen A Khuddus1,2, Amir Darki3, Bimal B Padaliya4

  • 1The Cardiac and Vascular Institute, Gainesville, Florida, USA.

Catheterization and Cardiovascular Interventions : Official Journal of the Society for Cardiac Angiography & Interventions
|January 20, 2023
PubMed
Summary

A standardized optical coherence tomography (OCT) workflow improved percutaneous coronary intervention (PCI) outcomes by reducing radiation and contrast use. The LightLab (LL) workflow enhanced stent expansion without increasing procedure time.

Keywords:
efficiencyoptical coherence tomography (OCT)workflow

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Area of Science:

  • Cardiovascular Interventions
  • Medical Imaging Technology
  • Health Services Research

Background:

  • Barriers to adopting optical coherence tomography (OCT) in percutaneous coronary intervention (PCI) persist.
  • The LightLab (LL) Initiative aimed to evaluate a standardized OCT workflow to address these adoption barriers.
  • Real-world data are crucial for assessing the clinical and economic impact of new procedural workflows.

Purpose of the Study:

  • To compare the efficiency and quality of PCI procedures guided by a variable versus a standardized OCT workflow.
  • To assess the impact of the LL Initiative's standardized OCT workflow on PCI outcomes.
  • To determine if a standardized OCT workflow can improve PCI quality without increasing procedure duration.

Main Methods:

  • A multicenter, prospective, observational study comparing baseline (variable workflow) and LL workflow phases.
  • Optical coherence tomography (OCT) guided PCI procedures were analyzed for efficiency and quality metrics.
  • Propensity score matching was used to control for baseline differences between the two workflow groups.

Main Results:

  • Standardized LL workflow did not increase procedure time (51 min vs. 51 min).
  • Significant reductions observed in radiation exposure (1124 mGy vs. 1493 mGy) and contrast volume (160 cc vs. 172 cc) with the LL workflow.
  • The LL workflow decreased underexpanded lesions (34% vs. 54%) and improved minimum stent expansion (85% vs. 79%).

Conclusions:

  • Standardizing OCT imaging with the LL workflow can overcome adoption barriers.
  • The LL workflow improves PCI quality metrics, including stent expansion.
  • Implementing a standardized OCT workflow enhances PCI outcomes without prolonging procedure time.