The comparison of radiation dose of coronary computed tomography angiography with 100 and 120 kilo voltage in patients with body mass index less than 29
- Conditions
- cardiac diseases.I20,I21,I2Ischaemic heart diseases
- Registration Number
- IRCT2013121015750N1
- Lead Sponsor
- research of Ahvaz University of Medical Sciences
- Brief Summary
Not available
- Detailed Description
Not available
Recruitment & Eligibility
- Status
- Complete
- Sex
- All
- Target Recruitment
- 50
inclusion criteria :patients who are candidates for coronary Computed Tomography Angiography in Ahwaz Golestan Hospital ; having conscious satisfaction ;weight under 85 KG; have a body mass index less than 28 ; exclusion criteria :Patients with body weight above 85 kg; Body Mass Index higher than 28; coronary calcium score greater than the maximum limit of Computed Tomography Angiography (300 (Agatston Units in one vessel or in total 1200 Agatston Units);renal dysfunction (serum creatinine greater than 1.3 mili grams per deciliter); hyperthyroidism; Known hypersensitivity reaction to iodine-containing contrast agents; Pregnancy
Not provided
Study & Design
- Study Type
- interventional
- Study Design
- Not specified
- Primary Outcome Measures
Name Time Method Patient radiaition exposure dose. Timepoint: Immediately after intervention. Method of measurement: Using the formula Dose Length Product * E ?? - mili Sivert.
- Secondary Outcome Measures
Name Time Method Image Quality. Timepoint: Immediately after study. Method of measurement: with Contrast to Noise Ratio, IMAGE NOISE ( Hounsfield units),Signal to Noise Ratio,Image Quality.