Demetrios A. Raptis

ORCID: 0000-0003-2324-0253
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About
Contact & Profiles
Research Areas
  • Cardiac Structural Anomalies and Repair
  • Trauma Management and Diagnosis
  • Cardiac Arrest and Resuscitation
  • Aortic Disease and Treatment Approaches
  • Radiation Dose and Imaging
  • Cardiac Imaging and Diagnostics
  • Cardiac Valve Diseases and Treatments
  • Trauma and Emergency Care Studies
  • Advanced X-ray and CT Imaging
  • Congenital Diaphragmatic Hernia Studies
  • Congenital Heart Disease Studies
  • Pelvic and Acetabular Injuries
  • Management of metastatic bone disease
  • Coronary Artery Anomalies
  • Tracheal and airway disorders
  • Aortic aneurysm repair treatments
  • Soft tissue tumor case studies
  • Advanced MRI Techniques and Applications
  • Organ Transplantation Techniques and Outcomes
  • Pleural and Pulmonary Diseases
  • Sarcoidosis and Beryllium Toxicity Research
  • Cardiovascular Issues in Pregnancy
  • Ultrasound in Clinical Applications
  • Infective Endocarditis Diagnosis and Management
  • Genetic and Kidney Cyst Diseases

Mallinckrodt (United States)
2016-2025

Washington University in St. Louis
2015-2024

Massachusetts General Hospital
2022

Saint Louis University Hospital
2022

Indiana University – Purdue University Indianapolis
2022

Cleveland Clinic
2022

Health Resources and Services Administration
2022

Brigham and Women's Hospital
2022

Beaumont Hospital
2022

St. Louis Children's Hospital
2017

We report two cases of myocarditis, in young and previously healthy individuals, temporally related to the second dose mRNA-COVID-19 vaccine. Both patients developed acute chest pain, changes on electrocardiogram (ECG), elevated serum troponin within days receiving their dose. Cardiac magnetic resonance (CMR) findings were consistent with myocarditis.

10.1016/j.clinimag.2021.06.019 article EN other-oa Clinical Imaging 2021-06-18

A pulmonary arteriovenous malformation (PAVM) is a fistulous connection between artery and vein that bypasses the normal capillary bed resulting in right-to-left shunt. Because of potential for paradoxical emboli, PAVMs are treated when their feeding arteries exceed 3 mm or patients symptomatic. often encountered with suspected hereditary hemorrhagic telangiectasia (HHT). Sporadic cases uncommon. The radiologist may be called on to diagnose PAVM after positive transthoracic contrast-enhanced...

10.1148/rg.210076 article EN Radiographics 2022-01-01

Background Treatment of blunt splenic trauma (BST) continues to evolve with improved imaging for detection vascular injuries. Purpose To report on treatments BST from 11 centers, the frequency and clinical impact injuries, factors influencing treatment. Materials Methods Patients were retrospectively identified as having between January 2011 December 2018, clinical, imaging, outcome data recorded. Patient summarized descriptively, both overall stratified by initial treatment received...

10.1148/radiol.2021202917 article EN Radiology 2021-02-02

The objective of this study was to identify CT findings and determine interobserver reliability surgically proven gastric volvulus.This single-center retrospective included 30 patients (21 women, nine men; mean age, 73 years old) with volvulus who underwent preoperative 31 age- sex-matched control subjects 74 large hiatal hernias were imaged for reasons other than abdominal pain. Two blinded radiologists reviewed the images recorded organoaxial mesenteroaxial ischemia. Interobserver...

10.2214/ajr.18.20033 article EN American Journal of Roentgenology 2018-11-07

Erdheim-Chester disease is an uncommon non-Langerhans cell histiocytosis with systemic manifestations. Most cases discuss radiologic findings once a pathologic diagnosis has already been established. We describe patient symptoms and no previously known who was imaged computed tomography, magnetic resonance imaging, positron emission tomography. This case unusual in that imaging demonstrated interatrial septum diffuse cardiac involvement, addition to the other characteristic lesions of...

10.1097/rti.0b013e31821db200 article EN Journal of Thoracic Imaging 2011-06-16

While many of the classic open surgical repairs are still used to repair ascending aorta, management aortic arch has become more complex via implementation newer and endovascular techniques. Furthermore, techniques often combined in novel or allow extended anatomic coverage. As such, a framework that rests on understanding expected postoperative appearance is necessary for diagnostic radiologist best interpret CT studies these patients. After reviewing imaging appearances common components...

10.1148/rg.2021210026 article EN Radiographics 2021-08-20

Left ventricular assist devices have become an increasingly common life-extending therapy for patients with end-stage heart failure. These may be used as a bridge to transplant, destination therapy, or recovery, providing either pulsatile nonpulsatile support. Because of the increasing frequency left device utilization and improved short-term long-term survival after placement, there has been parallel increase in radiologic imaging these devices, mandating radiologists' awareness...

10.1097/rti.0b013e318232e5e4 article EN Journal of Thoracic Imaging 2011-12-22

Chest wall lesions are relatively uncommon and may be challenging once they encountered on images. Radiologists detect these incidentally at examinations performed for other indications, or asked specifically to evaluate a suspicious lesion. While many chest have characteristic imaging findings that can result in an accurate diagnosis with use of alone, entities difficult distinguish because there is significant overlap among them. The interpreting radiologist should familiar the features...

10.1148/rg.210095 article EN Radiographics 2022-01-28
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