Computed Tomography

Computed tomography (CT) is a fast and accurate imaging modality often used in emergency settings and trauma imaging. CT scans, with or without (or both) iodinated contrast are frequently used to image the brain, chest, abdomen and pelvis, but also have post-imaging reconstructive capabilities for detailed orthopedic imaging. It is now a standard imaging modality in emergency rooms to quickly assess patients. CT uses a series of X-ray images shot as the gantry rotates around the patient. Computer technology assembles these into into a dataset volume than can be slices on any access, or advanced visualization software can extract specific parts of the anatomy for study. Find more content specific to cardiac CT.

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COVID-19 less severe among fully vaccinated patients, CT imaging study confirms

Even partially vaccinated individuals had a significantly lower risk of requiring supplemental oxygen or being admitted to the ICU, researchers detailed Tuesday in Radiology. 

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Wide variation in musculoskeletal imaging charges, including 74-fold difference for one CT exam

Stanford University experts analyzed price transparency data from 250 of the nation's top hospitals, sharing their work in AJR. 

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Hospital dramatically reduces overuse of CT liver imaging with a few targeted interventions

Loma Linda University Medical Center has strengthened ties between its radiology department, hospital administration and liver transplant team to achieve its quality goals.

quality

Cutting CT overuse for appendicitis: 4 factors that distinguish high-performing hospitals

The role of a “radiation reduction champion," often filled by a radiologist, is pivotal to these efforts, experts wrote in the Journal of Pediatric Surgery. 

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Blood test helps more accurately predict which patients would benefit from CT lung cancer screening

Researchers estimate their model would pinpoint 9% additional cases for screening while also reducing unnecessary imaging referrals by 14%. 

lung cancer pulmonary nodule chest

For first time, large population-based study proves CT screening reduces lung cancer deaths

The findings are based on an analysis of more than 300,000 patients diagnosed with non-small lung cancer between 2006-2016. 

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COVID-19 disruptions lead to ‘substantial’ reductions in new cancer diagnosed via CT, other methods

Health systems must identify areas where patients are not following up on routine screening and find ways to reassure and reengage them, experts charged. 

lung cancer

Advocates applaud CMS proposal to expand eligibility for low-dose CT lung cancer screening

The Centers for Medicare & Medicaid Services is accepting comment on the proposal through Dec. 17 and hopes to finalize it by February. 

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Around the web

Cardiovascular Business
Global shortage of nuclear imaging isotopes may be over

The nuclear imaging isotope shortage of molybdenum-99 may be over now that the sidelined reactor is restarting. ASNC's president says PET and new SPECT technologies helped cardiac imaging labs better weather the storm.

Cardiovascular Business
‘A huge win’: CMS significantly increases Medicare payments for cardiac CT

CMS has more than doubled the CCTA payment rate from $175 to $357.13. The move, expected to have a significant impact on the utilization of cardiac CT, received immediate praise from imaging specialists.

Cardiovascular Business
GE HealthCare moves PET/CT scanner production to United States

The all-in-one Omni Legend PET/CT scanner is now being manufactured in a new production facility in Waukesha, Wisconsin.

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