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  • Optical Coherence...

Optical Coherence Tomography may render precision and safety during PCI: Study

Dr. Kamal Kant KohliBy Dr. Kamal Kant KohliPublished On 2020-07-01T12:30:29+05:30  |  Updated On 2020-07-01T15:23:38+05:30
Optical Coherence Tomography may render precision and safety during PCI: Study

Researchers have found that using optical coherence tomography (OCT)-guided percutaneous coronary intervention (PCI), physicians were able to select the right size stents and place them with greater precision.OCT is a high-resolution, infrared light-based imaging technique that provides unparalleled accuracy for physicians during stent implantation. It is an intracoronary imaging platform...

Researchers have found that using optical coherence tomography (OCT)-guided percutaneous coronary intervention (PCI), physicians were able to select the right size stents and place them with greater precision.

OCT is a high-resolution, infrared light-based imaging technique that provides unparalleled accuracy for physicians during stent implantation. It is an intracoronary imaging platform that uses light-based technology to help characterize and assess coronary arteries from inside the vessel with high precision, allowing for assessment of the degree and characteristics of coronary artery disease, accurate dimensional measurement of the artery and assessment of the quality of stent deployment.

LightLab Initiative launched by Abbott has shown that optical coherence tomography (OCT) imaging significantly changes how physicians decide to treat a vessel compared to traditional angiography by providing physicians improved visualization within a patient's blood vessels. Data from the study revealed physicians altered their treatment strategy in 88% of coronary artery blockages based on new information provided by OCT.

Using laser technology, OCT captures high-resolution images inside a patient's arteries, displaying the type and severity of disease in the vessel, as well as enabling more accurate measurements to determine how the patient should be treated.

The clinical engineers collaborated with interventional cardiologists in 12 medical centers across the United States and collected PCI procedural data over a 12-month period.

Of the 2,203 procedures and 1,016 interventions that were assessed in the first phase of the LightLab Initiative, doctors used OCT before and after stenting in 652 lesions.

The level of detail and the volume of data collected in this real-world patient cohort demonstrates a clear and important impact of OCT on lesion assessment, procedural planning and stent optimization, with further analyses from subsequent phases of the program planned in coming months. The subsequent phases of the LightLab Initiative will focus on optimizing the prescribed treatment steps when using OCT to achieve greater efficiency (shorter timing) and safety (lower contrast and radiation exposure) gains, thereby identifying and removing barriers to OCT adoption.

"After planning a procedure with angiography alone, we exposed physicians to all the information provided by OCT on the same blockage and were able to demonstrate the significant impact that the information had on our decisions," said Hiram Bezerra, M.D., professor of medicine at the University of South Tampa and the director of Cardiac Interventional Services at Tampa General Hospital in Florida. "OCT takes the guesswork out of angiography, offering doctors real-time high-quality granularity and precision when performing PCIs, and helping doctors make real-time decisions in the cath lab."

This is the first data release from Abbott's LightLab Initiative, which was presented as part of a virtual three-day PCR e-Course held by the European Association of Percutaneous Cardiovascular Interventions (EAPCI), June 25-27. The new data provides strong evidence of the value of using OCT for decision-making within the PCI procedure. Initial data found:

1. OCT changes angiographic-based decisions in 88% of lesions.

2. After deploying a stent, physicians made changes in treating 31% of lesions based on OCT information to treat damage to the artery previously invisible with angiography alone.

3. Physicians improved their assessment of potential blockages as a result of using OCT, which better helped inform which size of stent to use and optimal stent deployment compared with angiography alone.

"The LightLab Initiative has given us great insights into the challenges facing interventional cardiologists in the cath lab and the impact OCT can have on the decisions physicians make in treating their patients," said Nick West, M.D., divisional vice president, Medical Affairs, and chief medical officer of Abbott's vascular business. "The data has also highlighted how effective OCT can be at treating patients with complex cardiovascular disease with greater precision."

for further references log on to: 

http://www.abbott.com

Optical Coherence Tomography PCI percutaneous coronary intervention 
Source : Abbott
Dr. Kamal Kant Kohli
Dr. Kamal Kant Kohli

    Dr Kamal Kant Kohli-MBBS, DTCD- a chest specialist with more than 30 years of practice and a flair for writing clinical articles, Dr Kamal Kant Kohli joined Medical Dialogues as an Editor-in-Chief for the Speciality Medical Dialogues section. Besides writing articles, as an editor, he proofreads and verifies all the medical content published on Medical Dialogues including those coming from journals, studies,medical conferences,guidelines etc. Before Joining Medical Dialogues, he has served at important positions in the medical industry in India including as the Hony. Secretary of the Delhi Medical Association as well as the chairman of Anti-Quackery Committee in Delhi and worked with other Medical Councils in India. Email: editorial@medicaldialogues.in. Contact no. 011-43720751

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