VCT vs HD CCTA Exam 92% Dose Reduction James P Earls MD Fairfax Radiological Consultants, Fairfax VA Inova Fairfax Hospital, Falls Church VA.

Slides:

Advertisements

Similar presentations

Potential Benefits and Limits

Advertisements

TRIAD VI PA Emergency Medicine Experience with PA-POLST Only for Scientific Presentations Ferdinando L. Mirarchi, D.O.FAAEM, FACEP Principal Investigator.

The Macstrak Project ER Case Studies The following is a series of case studies to review different patient types and how they are captured on the form.

Management of LCA-LM dissection.

ACRIN Abdominal Committee ACRIN Gynecologic Committee Fall Meeting 2010.

CARDIAC CT BASIC PRINCIPLES AND CT CAG

Radiation Dose in CT Scanning: A Team Approach

DUAL SOURCE CARDIAC CT ANGIOGRAPHY Dr Ravi Mathai, MD. Consultant Radiologist, Dar Al Shifa Hospital 1.

Endovascular Treatment of Acute Aortic Emergencies: Early Results Badr Aljabri, MD, FRCSC King Khalid University Hospital Riyadh, Saudi Arabia.

Key CT Parameters - What Are They Called and What Do They Mean?

Radiation Protection and Diagnostic Imaging Physicist

Cardiac applications of 16 slice MDCT :Initial experience

The Efficacy of Non-invasive Diagnostic for CAD in PMK Hospital Maj. Hutsaya Prasitdumrong, M.D. Cardiovascular Division, Department of Internal Medicine,

Coronary CT Angiography Intern 柳復威. Udo Hoffmann, Maros Ferencik, Ricardo C. Cury, and Antonio J. Pena Coronary CT Angiography J Nucl Med May :

Novel single-source high-pitch protocol for CT angiography of the aorta: comparison to high-pitch dual-source protocol in the context of TAVI planning.

Practice guidelines in MS-CT coronarography Ladislav Pavic, MD, PhD Sunce Clinics Zagreb / Sarajevo Croatia / Bosnia & Herzegovina.

Complications of PTCA SAGIC Meeting Alexandria 28th June 2005.

Dose Reduction in MDCT: Technique + Technology

Writing an HPI. Mr. Smith is a 48 year old man who presents with chest pain. The pain began 3 weeks ago and has been slowly getting worse. It lasts for.

EBT CLINICAL UPDATE November EBT Clinical Applications CARDIAC IMAGING Coronary Artery Calcium Scanning Coronary Electron Beam Angiography (EBA)

Viabahn Covered Stents for Cephalic Arch Stenosis Can Improve Patency and Longevity of Upper Arm AV Fistulas Toufic Safa, MD, FACS Vascular & Endovascular.

Multislice CT Coronary Angiography

HEAPHY 1 & 2 CASE RACE 1 – DIAG Rowena OLIVER Sat 31 st Aug 2013 Session 3 / CR1-6 13:26 – 13:30 OTAGO / SOUTHLAND ABSTRACT A case of a 81 year old female.

Call for CASES One Stage Coronary And Peripheral Intervention (OCAPI) in a patient with accelerated diffuse atherosclerosis after chest irradiation. One.

Dose Survey in Computed Tomography DS /CM Kampala IAEA/RCA Kampala.

International Atomic Energy Agency L 4 PROTECTION ISSUES IN CLINICAL METHODOLOGY.

Case of the month Dr P Arumugam Consultant Nuclear Physician

Radiation Protection of Patients Unit

Coronary and Peripheral Case Work. Case 1: Acute MI( STEMI) Pt: 45 yr old Caucasian Male Several Hrs of Severe Chest pain Pt: Husband of RN Current Smoker.

Pratik Mehta, B.A. 1 ; Kate MacGregor, M.P.H. 2 ; Robert Gould, D.Sc. 2 ; Diana Miglioretti, Ph.D. 3 ; J. Anthony Seibert, Ph.D. 4 ; Rebecca Smith-Bindman,

NYU Medical Grand Rounds Clinical Vignette Pansy Tsang MD PGY-2 January 31, 2012 U NITED S TATES D EPARTMENT OF V ETERANS A FFAIRS.

Low Dose Head Computed Tomography Protocol for Evaluation of Non-traumatic Emergencies in Children Rishi Mhapsekar, MD Marilyn J. Siegel, MD Robert McKinstry.

In search of lost time: modern treatment of acute myocardial infarction. Paweł Buszman, MD, FESC, FACC Upper Silesian Heart Center Katowice, Poland Snowmass,

Reduction of effective and organ dose to the eye lens in cerebral MDCT scans using iterative image reconstruction Zizka J, Jandura J, Kvasnicka T, Klzo.

Image Gallery: Lesion detection on low dose head CT Sarabjeet Singh, MD Mannudeep K. Kalra, MD *Eugene J. Mark, MD *James Stone, MD James H. Thrall, MD.

Coronary CT Angiography Current applications in clinical practice and promise for the future Samuel Wann MD, MACC.

IAEA International Atomic Energy Agency Optimization of Protection in Computed Tomography (CT)-What can radiographers do? IAEA Regional Training Course.

Intended learning outcome The student should learn at the end of this lecture procedures of CT pulmonary angiography.

A Case of LM , Bifurcation, CTO PCI and…Complications

MEASUREMENTS OF RADIATION DOSES IN MULTISLICES COMPUTED TOMOGRAPHY EXAMINATIONS A. ELMAHDI*, A. SULIEMAN *Presenting author 1 Sudan Atomic Energy Commission,

CT ANGIOGRAPHY Dr Mohamed El Safwany, MD. Intended learning outcome The student should learn at the end of this lecture CT IMAGE OF THE BLOOD VESSEL OPACIFIED.

PCI from native vessel disease or bypass vessel disease post CABG Nanjing first hospital Yefei Chenshaoliang.

Impact of Contrast Media Concentration and kVp settings on Image Quality in CT Angiography of the Intracranial Vessels Birgitta Ramgren MD Roger Siemund.

81/F with SVG to LAD, PDA, OM1 and OM2 in 1990 Hypertension, Hypercholesterolemia, hypothyroid Preop workup for cholecystectomy showed positive Nuclear.

Radiation & Cardiac Diagnostic Imaging 전남대병원 핵의학과 김 자 혜.

RADIATION DOSE ISSUES.

Cancer Education Day Lung Cancer Screening Update Kirenza Francis, MD, FRCPC, DABR Windsor Radiological Associates May 13, 2016.

iDose4: reduced noise, reduced artifacts, natural appearance

Background Computed tomography coronary angiography is an accurate method for the non-invasive diagnosis of coronary artery disease Eur Heart J 2005;26:1482–1487.

Background Trauma Patients undergo an initial, “on admission” CT scan which includes: Non contrast brain Arterial phase full body scan Portal venous phase.

2016 SCCT/STR guidelines for coronary artery calcium scoring of noncontrast noncardiac chest CT scans: A report of the Society of Cardiovascular Computed.

Interesting-Didactic Cases

Adel Gamal, MD and Mohamed Saber, Msc

Repair of a Thoracic Aorta Aneurysm

Materials and Methods Continued: Materials and Methods:

Nightmares in the Cath Lab

Figure 1 Image reconstruction in prospectively ECG-triggered high-pitch spiral coronary CT angiography using dual-source CT. The entire period of data.

TECHNINIQUES OF RENAL ARTERY STENTING

Multi Modality Approach to Diagnosis of Ischemia in Post CABG Cases

Interesting Case Presentation

Role of Adaptive Statistical Iterative Reconstruction (ASIR) in lowering radiation dose for pediatric head CT Electronic Poster-eP 140 Azadeh Tabari, MD.

Radiofrequency-Assisted Recanalization in a Patient with SVC Syndrome

Clinical Presentation

Sample General Electric CT Dose Report from a CT of the chest, abdomen, and pelvis. The dose report contains information about the patient (deleted), type.

Testing The Heart - Modes Of Investigating Heart

Paweł Buszman, MD, FESC, FACC Upper Silesian Heart Center

1 Traffic volumes at different T T = 5 sec T = 1 sec T = 10 msec.

Pál Maurovich-Horvat et al. JIMG 2010;3:

Presentation transcript:

VCT vs HD CCTA Exam 92% Dose Reduction James P Earls MD Fairfax Radiological Consultants, Fairfax VA Inova Fairfax Hospital, Falls Church VA

History 53 yr old male –Had chest pain 2 years ago –Echo, ECG and nuclear stress study all negative CCTA 2006 –retrospectively gated study on VCT system –showed 90% LAD –Cath confirmed; 5.0 mm bare metal stent placed CCTA 2009 –Some recurrent CP several months ago –Prospectively gated, ASIR reconstruction on HD system –No evidence of restenosis

Scan Techniques GE HD CT750 Scan parameters –Prospective gating –0 msec padding –30% Volume ASIR –High Res mode –350 mA, kV 120 Contrast –80 cc 5.5 cc/sec Radiation Dose –CTDI vol 8.22 mGy –DLP 115 mGy-cm –Effective dose 1.61 mSv GE VCT Scan parameters –Retrospective gating –ECG modulation –717 mA, kV 120 Contrast –80 cc 5.5 cc/sec Radiation Dose –CTDI vol 78.6 mGy –DLP 1419 mGy-cm –Effective dose 19.8 mSv 92% Dose Reduction!!!

Whole Heart View VCT Exam 8/2006HD Exam 2/2009

Tree VR View VCT Exam 8/2006HD Exam 2/2009

MIP View VCT Exam 8/2006HD Exam 2/2009

LAD VCT Exam 8/2006HD Exam 2/2009

LAD VCT Exam 8/2006HD Exam 2/2009

Cath Views Pre-StentPost-Stent

Cath Views VCT (8/2006)Cath (8/2006)

Cath Views HD study (2/2009)Post-Stent (8/2006)

CCTA on the HD