Biomedical subjects
Publications and source records attributed to J Prénovault.
A woman with acute leukemia receiving induction chemotherapy with conventional doses of cytarabine (ARA-C) 200 mg/m2/day and daunorubicin 45 mg/m2/day developed acute respiratory distress syndrome. Respiratory failure was attributed to ARA-C primarily by exclusion and radiographic findings. She was weaned rapidly from the ventilator after receiving steroid therapy.
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Primary coronary dissection is usually a catastrophic event with a fatal outcome; less than 20 cases of long term survival have been reported. A 32-year-old woman with apical hypertrophic cardiomyopathy who survived a spontaneous dissection of the left anterior descending coronary artery and acute anterior wall infarction two days postpartum is described. To the authors' knowledge, the simultaneous occurrence of these two rare conditions has never been previously reported. Thallium-dipyridamole imaging was performed to estimate the amount of residual viable myocardium in the infarcted area and to evaluate the hemodynamic significance of the residual luminal narrowing. Myocardial perfusion imaging can be useful to decide on surgical versus conservative treatment of these patients.
We describe an asymptomatic gastroduodenal artery aneurysm detected by real-time sonography. This lesion had the ultrasonographic characteristics of an aneurysm except for its unusual location and the absence of turbulent echogenic flow and pulsation. Pulsed-Doppler sonography confirmed the diagnosis by demonstrating bidirectional flow with systolic acceleration in the anechoic portion of the lesion.