Clinical Research

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Multiple factors can interfere with pulse oximetry accuracy including skin pigmentation. Multiple studies have shown the inaccuracy of current pulse oximeters in patients with darker skin tones than whites, often over estimating their oxygenation when in fact they are hypoxic. Images courtesy of Masimo.

Inaccurate pulse oximeter readings impact Black heart failure patients and FDA plans to address this

Black patients are already less likely to receive LVADs or transplants compared to whites, and these inaccurate readings can further widen the disparities.

Examples of photon-counting coronary angiography showing how clarity improves as the thickness of the image is reduced. Top: 60-year-old female, with noncalcified plaque (arrowheads) and coronary stenosis (inset images). The reduced section thickness did not affect assessment in this patient. Bottom: 56-year-old female with calcified plaque (arrowheads) and coronary stenosis. The reduced section thickness leads to less calcium blooming and therefore a less severe percentage of stenosis. Courtesy of RSNA

Coronary artery disease classification improved with photon-counting CT

After a photon-counting CT, 54% of patients had their coronary artery disease classification downgraded.

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Focused ultrasound may alleviate pain without drugs, study finds

Researchers from Virginia Tech uncovered physiological changes from altering the way the brain perceives pain.

equity

Artifacts from hair on X-rays shed light on health equity gap

Do radiologists see how the hair styles of Black and brown people impact imaging exams? 

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Microrobots guided by an MRI eradicate liver cancer

The technique was successful in a proof-of-concept animal study, but human trials are a long way off. 

A transcatheter aortic valve replacement (TAVR) procedure being performed at Intermountain Healthcare. Image from Intermountain Healthcare

Anticoagulants after TAVR: 5-year survival data favor DOACs over VKAs

However, that one finding does not tell the whole story. Researchers also found that DOACs may increase a TAVR patient's risk of a disabling stroke.

Michael Garshick, MD, director of the cardio-rheumatology program, cardiologist and assistant professor, Ronald O. Perelman Department of Dermatology, NYU Grossman School of Medicine, explains the role of inflammation in coronary disease development and how this risk factor can be detected and treated.

Targeting coronary inflammation helps cardiologists provide better care

Michael Garshick, MD, examines the role of inflammation in coronary disease development, detailing how this risk factor can be detected and treated.

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Low field 0.55T MRI images as diagnostically useful as 1.5T for abdominal scans

Researchers from the University of Michigan scanned 52 patients at multiple field strengths to make the comparison.

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