Third-Generation Dual-Source Computed Tomography for Coronary Angiography With Individually Tailored Scan Protocols Can Achieve a Low Radiation Dose With Good Image Quality in Unselected Patients
JOURNAL OF COMPUTER ASSISTED TOMOGRAPHY, cilt.46, sa.1, ss.41-49, 2022 (SCI-Expanded, Scopus)
- Yayın Türü: Makale / Tam Makale
- Cilt numarası: 46 Sayı: 1
- Basım Tarihi: 2022
- Doi Numarası: 10.1097/rct.0000000000001229
- Dergi Adı: JOURNAL OF COMPUTER ASSISTED TOMOGRAPHY
- Derginin Tarandığı İndeksler: Science Citation Index Expanded (SCI-EXPANDED), Scopus, Biotechnology Research Abstracts, CAB Abstracts, EMBASE, MEDLINE, Veterinary Science Database
- Sayfa Sayıları: ss.41-49
- Anahtar Kelimeler: advanced modeled iterative reconstruction, body mass index, coronary computed tomography angiography, low kilovoltage, radiation dose, PITCH SPIRAL ACQUISITION, STEP-AND-SHOOT, CT ANGIOGRAPHY, CARDIAC CT, DIAGNOSTIC-ACCURACY, CONTRAST-MEDIUM, METAANALYSIS, EXPOSURE
- Acıbadem Mehmet Ali Aydınlar Üniversitesi Adresli: Evet
Özet
Objective To explore the image quality and radiation exposure associated with coronary angiography obtained with a third-generation dual-source computed tomography, using body mass index (BMI)- and heart rate (HR)-adapted protocols in real-world patients. Methods Three scan protocols were implemented with regard to HR: prospective turbo high-pitch spiral, sequential, and retrospective spiral modes. We adapted the reference kilovoltage value according to BMI. Image quality was evaluated using a 4-point scale, and effective dose estimates were calculated using the dose-length product. Results Among the 896 patients, 417 (46.54%), 433 (48.32%), and 45 (5.02%) were imaged using prospective turbo high-pitch spiral, sequential, and retrospective spiral modes, respectively. The median BMI was 27.3 (25-30.4) kg/m(2), and the effective dose was 0.65 mSv (interquartile range, 0.33-1.56 mSv). Only 32 of 896 examinations (3.5%) had poor image quality. Conclusions Computed tomography angiography with BMI- and HR-tailored protocols offers good image quality with low radiation dose in unselected patients.