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Biomedical subjects

J Craenen

Publications and source records attributed to J Craenen.

At least 19 recordsLinked to original sources
PubMed1995

Catheter interruption of atrioventricular conduction using radiofrequency energy in a patient with transposition of the great arteries.

Percutaneous catheter mapping and radiofrequency ablation of the AV node-His bundle system (with subsequent transvenous endocardial ventricular pacing) were performed on an 18-year-old woman with transposition of the great arteries and intact ventricular septum and chronic arrhythmias 15 years following a Mustard operation. Exclusion of the AV conduction tissue from the systemic venous circulation by the complex anatomy and the Mustard repair was circumvented by a retrograde approach across the aortic valve to the morphological right ventricle yielding access to the AV node-His bundle system.

Adolescent↗
PubMed1985

Electroencephalographic abnormalities in children with congenital heart disease.

Ninety-eight consecutive patients with clinically suspected congenital heart disease were prospectively studied with electroencephalographic (EEG) recordings before cardiac catheterization. Twenty-five patients had abnormal EEGs. Fifty-five patients had acyanotic heart disease and normal neurologic examination results, of whom 15 had abnormal EEGs. Thirteen had spikes or spike and wave discharges and two had mildly abnormal EEGs. Twenty-seven patients had cyanotic heart disease and normal neurologic examination results, of whom four had abnormal EEGs. Seven patients (8%) had abnormal neurologic examination results, of whom four had abnormal EEGs. There was a higher incidence of seizures with increasing age. Based on their medical history two children with acyanotic heart disease had had seizures without EEG abnormalities. Five children with normal catheterization findings and four children with Down's syndrome (two with abnormal EEGs) were excluded from the total of 98. These findings suggest that subclinical nervous system involvement may occur in congenital heart disease.

Brain↗
PubMed1983

Pulmonary valvulotomy in Factor XI deficiency.

This is the first reported case in the English literature of Factor XI deficiency in a child from India. He underwent open-heart surgery and pulmonary valvulotomy without excessive or delayed hemorrhage using plasma infusion to sustain Factor XI levels at about 40% of normal before, and for 10 days after surgery. The management of this child is presented as an approach to patients with Factor XI deficiency who require major surgery.

Child, Preschool↗
PubMed1981

Survival following myocarditis and myocardial calcification associated with infection by Coxsackie virus B-4.

A Coxsackie virus B-4 was isolated from a neonate with clinical sepsis and clinical evidence of myocardial dysfunction. Radiographs demonstrated the presence and subsequent resolution of myocardial calcification. Electrocardiograms showed a left bundle branch block, presumably caused by calcification in the corresponding segment of the bundle of His. This case demonstrates an unusual complication of neonatal Coxsackie virus B infection.

Calcinosis↗
PubMed1977

Cardiovascular abnormalities in the Beckwith-Wiedemann syndrome.

Twelve of 13 patients with Beckwith-Wiedemann syndrome were found to have cardiovascular abnormalities: congenital heart disease in 7 of the 12 and isolated cardiomegaly in the others. No specific type of cardiac abnormality predominated.

Abnormalities, Multiple↗
PubMed1977

Congenital heart disease in de Lange's syndrome.

Seven (29%) of 24 patients with de Lange's syndrome were found to have congenital heart disease. Right-sided obstructive lesions were most commonly encountered. Approximately one in five of all patients with the de Lange syndrome exhibit congenital heart disease, usually ventricular septal defect or pulmonic stenosis.

De Lange Syndrome↗