Oscillations in blood pressure associated with phrenic nerve activity.
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Biomedical subjects
Publications and source records attributed to J C Chisholm.
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A 14-month-old child underwent routine transcatheter closure of her patent ductus arteriosus (PDA) using the Rashkind double-umbrella device. She developed severe persistent hemolysis in association with residual ductal flow. The problem was managed by the previously unreported approach of standard surgical ligation of the duct via a left thoracotomy, leaving the occlusion device in situ.
A 7-year-old girl presented with an extragonadal dysgerminoma arising from the pelvis. Her mother had been treated for a histologically identical pituitary tumor 3 years previously. The child's serum lactate dehydrogenase (LDH) level was markedly elevated at presentation and fell as the tumor responded to treatment. The potential use of LDH as a marker for gonadal dysgerminoma is well documented, but raised LDH in association with primary extragonadal dysgerminoma has not been described previously. In addition, this is the first report of extragonadal dysgerminoma occurring in female relatives.