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Biomedical subjects

R E Hawker

Publications and source records attributed to R E Hawker.

39 records · Page 3Linked to original sources

Neonatal ductus arteriosus aneurysm causing nerve palsies and airway compression: surgical treatment by decompression without excision.

A 4-kg male child, born at 34 weeks to a gestational diabetic mother, had a large ductus arteriosus aneurysm causing phrenic and recurrent laryngeal nerve palsies and large airway compression. The right and left atrial appendages and distal descending aorta were cannulated, allowing left heart partial or complete cardiopulmonary bypass as necessary. On bypass the ductus was ligated, decompressed, and oversewn but not excised. Examination 1 month later suggested resolution of the recurrent laryngeal palsy and echocardiography showed regression of the aneurysm. Ductus ligation and decompression was an effective surgical treatment, which is less likely to cause complications than resection.

Airway Obstruction↗

The surgical management of aortopulmonary window using the anterior sandwich patch closure technique.

Between 1969 and June, 1986, 13 patients with aortopulmonary window were evaluated and operated upon with eleven survivors. All were children with ages ranging from 2 weeks to 2 1/2 years and had a typical aortopulmonary window (Type 1) with a connection between the ascending aorta and main pulmonary artery. Six of them also had associated cardiac anomalies. Operative techniques included both closed and open procedures. Simple ligation was carried out in two, while the remaining 11 patients were operated upon with the aid of extracorporeal circulation. "Sandwich" patch closure was the preferred method which was employed in 7 patients.

Aortopulmonary Septal Defect↗