Rajesh Krishnamurthy
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View article: Patient and Caregiver Perspectives on the Diagnosis and Management of Pediatric Renovascular Hypertension
Patient and Caregiver Perspectives on the Diagnosis and Management of Pediatric Renovascular Hypertension Open
Background Pediatric renovascular hypertension (pRVH) may lead to significant morbidity and mortality. Rare disease prevalence limits existing data and optimal management remains ill-defined. This study seeks to capture patient and family …
View article: Increased Body Mass Index and Ventricular Cardiac Magnetic Resonance Characteristics in Adults With Fontan Circulation
Increased Body Mass Index and Ventricular Cardiac Magnetic Resonance Characteristics in Adults With Fontan Circulation Open
Ventricular adaptations in volume and mass incurred by exposure to Fontan circulation are compounded by increased BMI. Obesity may disproportionately affect ventricular volume, mass, and hemodynamics in MLV.
View article: Defining diastolic dysfunction post-Fontan: Threshold, risk factors, and associations with outcomes
Defining diastolic dysfunction post-Fontan: Threshold, risk factors, and associations with outcomes Open
DD, defined as an EDP >13 mm Hg, is linked to over 3-fold higher risk of adverse outcomes. Risk factors for DD include older age, higher BMI, nonleft ventricular morphology, and larger EDV. The presence of risk factors may warrant screenin…
View article: CMR associations of diastolic dysfunction in fontan patients. A FORCE registry study.
CMR associations of diastolic dysfunction in fontan patients. A FORCE registry study. Open
View article: Intracardiac flow analysis of the tetralogy of fallot registry of 4D flow energetics and kinetics (TREK) multicenter study
Intracardiac flow analysis of the tetralogy of fallot registry of 4D flow energetics and kinetics (TREK) multicenter study Open
View article: Characterizing Friedreich’s ataxia cardiomyopathy with serial cardiac MRIs
Characterizing Friedreich’s ataxia cardiomyopathy with serial cardiac MRIs Open
View article: Reducing Sedation for Pediatric Thoracic CT Imaging Using Volumetric Target-mode EKG Gating
Reducing Sedation for Pediatric Thoracic CT Imaging Using Volumetric Target-mode EKG Gating Open
Introduction: Many children require sedation for imaging. We aimed to reduce sedation for thoracic (chest and cardiac) computed tomography (CT) scans in children 0–4 years old from 65% to 20% by December 2018 and to sustain. Methods: We co…
View article: High-Performing Fontan Patients
High-Performing Fontan Patients Open
Patients with HPF have more favorable outcomes when compared to patients with lower exercise capacity. This large registry data highlights the role of exercise testing in providing personalized care and surveillance post-Fontan.
View article: Investigation of a chronic single-stage sheep Fontan model
Investigation of a chronic single-stage sheep Fontan model Open
View article: Tissue engineered vascular grafts are resistant to the formation of dystrophic calcification
Tissue engineered vascular grafts are resistant to the formation of dystrophic calcification Open
View article: Characterization and z-score calculation of cardiovascular magnetic resonance imaging parameters in patients after the Fontan operation: A Fontan Outcome Registry using Cardiovascular Magnetic Resonance Examinations study
Characterization and z-score calculation of cardiovascular magnetic resonance imaging parameters in patients after the Fontan operation: A Fontan Outcome Registry using Cardiovascular Magnetic Resonance Examinations study Open
This is the first study to generate CMR z-scores post-Fontan. Importantly, the z-scores were generated and tested in "healthier" Fontan patients and both pediatric and adult Fontan patients. These equations may improve CMR-based risk strat…
View article: Society for Cardiovascular Magnetic Resonance guidelines for reporting cardiovascular magnetic resonance examinations in patients with congenital heart disease
Society for Cardiovascular Magnetic Resonance guidelines for reporting cardiovascular magnetic resonance examinations in patients with congenital heart disease Open
View article: Predictors of Supranormal Exercise Capacity in Fontan Patients (high-performing Fontan). a Fontan Outcomes Registry Using CMR Examination (FORCE) Registry Study
Predictors of Supranormal Exercise Capacity in Fontan Patients (high-performing Fontan). a Fontan Outcomes Registry Using CMR Examination (FORCE) Registry Study Open
View article: Predictors of Sudden Cardiac Arrest in Fontan Patients
Predictors of Sudden Cardiac Arrest in Fontan Patients Open
View article: A Deep Learning Pipeline for Assessing Ventricular Volumes from a Cardiac MRI Registry of Patients with Single Ventricle Physiology
A Deep Learning Pipeline for Assessing Ventricular Volumes from a Cardiac MRI Registry of Patients with Single Ventricle Physiology Open
Purpose To develop an end-to-end deep learning (DL) pipeline for automated ventricular segmentation of cardiac MRI data from a multicenter registry of patients with Fontan circulation (Fontan Outcomes Registry Using CMR Examinations [FORCE…
View article: Vertebral Tortuosity Is Associated With Increased Rate of Cardiovascular Events in Vascular Ehlers‐Danlos Syndrome
Vertebral Tortuosity Is Associated With Increased Rate of Cardiovascular Events in Vascular Ehlers‐Danlos Syndrome Open
Background Arterial tortuosity is associated with adverse events in Marfan and Loeys‐Dietz syndromes but remains understudied in Vascular Ehlers‐Danlos syndrome. Methods and Results Subjects with a pathogenic COL3A1 variant diagnosed at ag…
View article: Increasing Engagement of Imaging Professionals in Quality Improvement Using an Encounter-specific Quality-reporting Tool
Increasing Engagement of Imaging Professionals in Quality Improvement Using an Encounter-specific Quality-reporting Tool Open
Introduction: The involvement of pediatric imaging professionals in quality improvement (QI) in our department was low, with few available informatics tools to report issues or suggest improvement opportunities in a timely and efficient ma…
View article: Deep Learning Pipeline for Preprocessing and Segmenting Cardiac Magnetic Resonance of Single Ventricle Patients from an Image Registry
Deep Learning Pipeline for Preprocessing and Segmenting Cardiac Magnetic Resonance of Single Ventricle Patients from an Image Registry Open
Purpose: To develop and evaluate an end-to-end deep learning pipeline for segmentation and analysis of cardiac magnetic resonance images to provide core-lab processing for a multi-centre registry of Fontan patients. Materials and Methods: …
View article: Dynamic Volumetric Computed Tomography Angiography is an Effective Method to Evaluate Tracheomalacia in Children
Dynamic Volumetric Computed Tomography Angiography is an Effective Method to Evaluate Tracheomalacia in Children Open
Objective Standard methods to evaluate tracheal pathology in children, including bronchoscopy, may require general anesthesia. Conventional dynamic proximal airway imaging in noncooperative children requires endotracheal intubation and/or …
View article: Tissue engineered vascular grafts transform into autologous neovessels capable of native function and growth
Tissue engineered vascular grafts transform into autologous neovessels capable of native function and growth Open
Background Tissue-engineered vascular grafts (TEVGs) have the potential to advance the surgical management of infants and children requiring congenital heart surgery by creating functional vascular conduits with growth capacity. Methods He…
View article: SCMR expert consensus statement for cardiovascular magnetic resonance of acquired and non-structural pediatric heart disease
SCMR expert consensus statement for cardiovascular magnetic resonance of acquired and non-structural pediatric heart disease Open
View article: Flow Dynamics in Anomalous Aortic Origin of a Coronary Artery in Children: Importance of the Intramural Segment
Flow Dynamics in Anomalous Aortic Origin of a Coronary Artery in Children: Importance of the Intramural Segment Open
View article: Comparison of computed tomography angiography versus cardiac catheterization for preoperative evaluation of major aortopulmonary collateral arteries in pulmonary atresia with ventricular septal defect
Comparison of computed tomography angiography versus cardiac catheterization for preoperative evaluation of major aortopulmonary collateral arteries in pulmonary atresia with ventricular septal defect Open
CTA and catheterization are equivalent in their ability to delineate pulmonary artery anatomy and major aortopulmonary collateral arteries.
View article: Infundibular sparing versus transinfundibular approach to the repair of tetralogy of Fallot
Infundibular sparing versus transinfundibular approach to the repair of tetralogy of Fallot Open
Seventy-nine patients were included in the analysis; 40 underwent RVIS and 39 underwent TI repair. None of the patients in the TI repair group had an initial palliation with a systemic to pulmonary arterial shunt compared to seven (18%) in…
View article: A novel approach using volumetric dynamic airway computed tomography to determine positive end-expiratory pressure (PEEP) settings to maintain airway patency in ventilated infants with bronchopulmonary dysplasia
A novel approach using volumetric dynamic airway computed tomography to determine positive end-expiratory pressure (PEEP) settings to maintain airway patency in ventilated infants with bronchopulmonary dysplasia Open
View article: Quality Initiative to Reduce Cardiac CT Angiography Radiation Exposure in Patients with Congenital Heart Disease
Quality Initiative to Reduce Cardiac CT Angiography Radiation Exposure in Patients with Congenital Heart Disease Open
Background: The use of cardiac computed tomography angiography (CCTA) as a complementary diagnostic modality to echocardiography in patients with congenital heart diseases (CHDs) is expanding in low- and middle-income countries. The adopti…
View article: Sentinel Lymph Node Evaluation: What the Radiologist Needs to Know
Sentinel Lymph Node Evaluation: What the Radiologist Needs to Know Open
Axillary lymph node status is the single most important prognostic indicator in patients with breast cancer. Axillary lymph node dissection, the traditional method of staging breast cancer, is associated with significant morbidity. Sentine…
View article: ACR Appropriateness Criteria® Suspected New-Onset and Known Nonacute Heart Failure
ACR Appropriateness Criteria® Suspected New-Onset and Known Nonacute Heart Failure Open
View article: ACR Appropriateness Criteria® Chronic Chest Pain-Noncardiac Etiology Unlikely-Low to Intermediate Probability of Coronary Artery Disease
ACR Appropriateness Criteria® Chronic Chest Pain-Noncardiac Etiology Unlikely-Low to Intermediate Probability of Coronary Artery Disease Open
View article: SPR 2018
SPR 2018 Open
Imaging technologists are integral to our work.I am very pleased that, for the third year, there will be a Pediatric Imaging Technologists' Course, renamed from "Radiographers' Course to reflect its broader content.The course is again orga…