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Spontaneous Spinal Epidural Hematoma in an Adult Patient with Complex Congenital Heart Disease
We report the case of a 27-year-old man who developed sudden upper back pain with no specific precipitant. Five days later, he visited our emergency department complaining of weakness in both lower limbs and dysuria. He had a history of intracardiac repair and a Blalock-Park procedure for an interrupted aortic arch and ventricular septal defect in infancy. Additionally, he had undergone an aortic root dilatation and aortic valve replacement at the age of 10 because of progression of aortic and supra-aortic stenosis and had received chronic anticoagulation and antiplatelet therapy with warfarin and aspirin, respectively. An...
Source: International Heart Journal - July 8, 2021 Category: Cardiology Authors: Toshinobu Ifuku Toshihiro Nishiguchi Source Type: research

Assessment of long-term cardiac adaptation in adult patients with type II atrial septal defect
ConclusionLong-term cardiac adaptation in ASD patients, with RV overfilling and LV underfilling, has a negative impact on systolic RV performance, a phenomenon which likely can be attributed to longitudinal dysfunction of the interventricular septum.Key Points• An LR shunt in type II ASD patients causes cardiac remodeling characterized by RV overfilling and conversely underfilling of the left ventricle.• At the long term, there is evidence of systolic dysfunction of the right ventricle in this group of patients.• Septal dysfunction underlies the observed impairment in RV function.
Source: European Radiology - October 10, 2020 Category: Radiology Source Type: research

Stroke volume ratio derived from magnetic resonance imaging as an indicator of interventricular dyssynchrony predicts future cardiac event in patients with biventricular Fontan circulation
This study wanted to assess the hypothesis that interventricular dyssynchrony evaluated by cardiac magnetic resonance imaging (MRI) can predict future cardiac events in patients with biventricular heart who have undergone Fontan surgery. We prospectively enrolled consecutive patients with biventricular Fontan circulation from 2003 to 2016, and performed protocolized cardiac MRI. We determined the stroke volume ratio (SVr) using the following formula to assess interventricular dyssynchrony: (stroke volume (SV) of the two whole ventricles)/(SV of the right ventricle  + SV of the left ventricle), by tracing cine MRI data....
Source: Heart and Vessels - July 4, 2018 Category: Cardiology Source Type: research

Noninvasive quantification of left-to-right shunt by phase contrast magnetic resonance imaging in secundum atrial septal defect: the effects of breath holding and comparison with invasive oximetry
AbstractTo investigate the effect of breath-holding on left-to-right shunts in patients with a secundum atrial septal defect (ASD). Thirty-five consecutive patients with secundum ASDs underwent right heart catheterization and invasive oximetry. Phase-contrast magnetic resonance imaging (MRI) was performed for the main pulmonary artery and ascending aorta. All measurements were obtained during free breathing (FB) (quiet breathing; no breath-hold), expiratory breath-hold (EBH), and inspiratory breath-hold (IBH). Pulmonary circulation flow (Qp) and systemic circulation flow (Qs) were calculated by multiplying the heart rate b...
Source: The International Journal of Cardiovascular Imaging - January 16, 2018 Category: Radiology Source Type: research

Scimitar Syndrome Repair in Adults: Intermediate-Term Results Using an Extracardiac Conduit
Conclusions Correction of scimitar syndrome with an extracardiac conduit can be easily and safely performed in adults, with excellent intermediate-term durability, without graft thrombi or stenosis. This technique avoids deep hypothermic circulatory arrest when the SV is short or enters the IVC in an unusually caudad location.
Source: The Annals of Thoracic Surgery - July 15, 2016 Category: Cardiovascular & Thoracic Surgery Source Type: research

Scimitar Syndrome Repair in Adults: Intermediate-Term Results Using an Extracardiac Conduit.
CONCLUSIONS: Correction of scimitar syndrome with an extracardiac conduit can be easily and safely performed in adults, with excellent intermediate-term durability, without graft thrombi or stenosis. This technique avoids deep hypothermic circulatory arrest when the SV is short or enters the IVC in an unusually caudad location. PMID: 27424466 [PubMed - as supplied by publisher]
Source: The Annals of Thoracic Surgery - July 13, 2016 Category: Cardiovascular & Thoracic Surgery Authors: Guerra NC, Pernot M, Nesseris G, Al-Yamani M, Roques X, Thambo JB, Kreitmann B, Roubertie F Tags: Ann Thorac Surg Source Type: research

Early Wallerian Degeneration in a Neonate With Middle Carotid Artery Stroke
A 23-day-old girl with a history of transposition of the great arteries, ventricular septal defect, pulmonary stenosis, and placement of right modified Blalock-Taussig shunt complicated by thrombosis at age 9 days of life presented with episodes of upper extremity extension and gasping respirations concerning for seizure. Brain magnetic resonance imaging demonstrated an extensive, acute right middle carotid artery territory stroke with occlusion of the right proximal middle carotid artery. There was also a small left frontal stroke.
Source: Pediatric Neurology - October 31, 2014 Category: Neurology Authors: Olga D. Taraschenko, Charles Nichter, John A. Pugh Tags: Visual Diagnosis Source Type: research

Simultaneous onset of myocardial infarction and ischemic stroke in a patient with atrial fibrillation: Multiple territory injury revealed on angiography and magnetic resonance
An 84-year-old man with a history of hypertension and paroxysmal atrial fibrillation (AF) who received no anticoagulant drugs experienced acute chest pain and transient loss of consciousness. He was transferred to our emergency room. His initial electrocardiogram showed sinus rhythm with ST-segment elevation in the I, aVL, and V1–V6 leads. His blood pressure was 158/92mmHg and his pulse was regular at 70beats per minute. A chest radiograph showed increased heart size and pulmonary vascular congestion. His troponin T level was elevated (more than 0.1ng/mL). He was diagnosed with ST-elevation myocardial infarction (MI) and...
Source: International Journal of Cardiology - February 4, 2014 Category: Cardiology Authors: Osamu Hashimoto, Kozo Sato, Yohei Numasawa, Joji Hosokawa, Masahiro Endo Tags: Online Letters to the Editor Source Type: research