Emergency evaluation of sufferers with acute belly ache utilizing low-dose CT with iterative reconstruction: a comparative research.
Eur Radiol. 2017 Aug;27(eight):3300-3309
Authors: Poletti PA, Becker M, Becker CD, Halfon Poletti A, Rutschmann OT, Zaidi H, Perneger T, Platon A
OBJECTIVES: To find out if radiation dose delivered by contrast-enhanced CT (CECT) for acute belly ache might be diminished to the dose administered in belly radiography (<2.5 mSv) utilizing low-dose CT (LDCT) with iterative reconstruction algorithms.
METHODS: 100 and fifty-one consecutive sufferers requiring CECT for acute belly ache had been included, and their physique mass index (BMI) was calculated. CECT was instantly adopted by LDCT. LDCT collection was processed utilizing 1) 40% iterative reconstruction algorithm blended with filtered again projection (LDCT-IR-FBP) and a couple of) model-based iterative reconstruction algorithm (LDCT-MBIR). LDCT-IR-FBP and LDCT-MBIR pictures had been reviewed independently by two board-certified radiologists (Raters 1 and a couple of).
RESULTS: Stomach pathology was revealed on CECT in 120 (79%) sufferers. In these with BMI <30, accuracies for proper prognosis by Rater 1 with LDCT-IR-FBP and LDCT-MBIR, when in comparison with CECT, had been 95.four% (104/109) and 99% (108/109), respectively, and 92.7% (101/109) and 100% (109/109) for Rater 2. In sufferers with BMI ?30, accuracies with LDCT-IR-FBP and LDCT-MBIR had been 88.1% (37/42) and 90.5% (38/42) for Rater 1 and 78.6% (33/42) and 92.9% (39/42) for Rater 2.
CONCLUSIONS: The radiation dose delivered by CT to non-obese sufferers with acute belly ache might be safely diminished to ranges shut to straightforward radiography utilizing LDCT-MBIR.
KEY POINTS: • LDCT-MBIR (<2.5 mSv) can be utilized to evaluate acute belly ache. • LDCT-MBIR (<2.5 mSv) can not safely assess acute belly ache in overweight sufferers. • LDCT-IR-FBP (<2.5 mSv) can not safely assess sufferers with acute belly ache.
PMID: 28083698 [PubMed – indexed for MEDLINE]