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[Clinical application of xenogenic (porcine) acellular dermal atrix (ADM) in scar treatment].
Zhonghua Zheng Xing Wai Ke Za Zhi
September 2007
Department of Plastic and Burn Surgery, the First People's Hospital of Foshan, Foshan, China.
Objective: To investigate the role of xenogenic (porcine) ADM as dermal substitute in scar treatment.
Methods: After scar excision, the wounds were covered with composite grafts of DR procine ADM and autologous thin split-thickness grafts in one stage or in two stages.
Results: 22 out of 47 cases were treated in two-staged procedure.
This report describes the efficacy of syngeneic hepatocyte transplantation in an anoxic model and of xenogeneic (rabbit and porcine) hepatocyte transplantation in a toxic model of fulminant hepatic failure in the rat. Lewis strain rats that received 4 X 10(7) hepatocytes intraperitoneally at 48 hours after hepatic artery ligation had a significantly improved survival rate (79%, n = 14) when compared with control animals (38%, n = 21, P less than 0.05).
View Article and Find Full Text PDFReoperation for massively calcified pulmonary valve heterografts. Surgical considerations.
Thorac Cardiovasc Surg
February 1980
Calcifications of pulmonary valve heterografts inserted in children are more frequently recognized with increasing follow-up periods and may lead to reoperation. This complication is common with our non-industrially prepared procine valves and may also be observed with Hancock porcine heterografts. Reoperation is rendered difficult by incrustation of the massively calcified heterograft into the posterior aspect of the sternum and because of the need of adequate exposure of the pulmonary bifurcation.
View Article and Find Full Text PDFSince 1964, 27 valve replacements have been performed in patients who ranged from 5 months to 20 years of age. Fourteen underwent aortic valve replacement, 10 underwent mitral valve replacement, two had systemic atrio-ventricular valve replacement, and one had tricuspid valve replacement. Nineteen patients had congenital heart disease, five had rheumatic disease, and three had Marfan's syndrome.
View Article and Find Full Text PDFIn truncus arteriosus types II and III, one or both pulmonary arteries arise independently from either side of the truncus. In the surgical correction of this anomaly, we have utilized on operative technique in which the essential features are as follows: ventricular septal defect (VSD) closure, which directs left ventricular outflow into the truncus: (2) anastomosis of a Dacron tube containing a glutaraldehyde-preserved procine aortic heterograft to the right ventriculotomy: (3) removal of a circumferential band of the truncus containing both pulmonary artery orifices; (4) tailoring of the band of truncus tissue into a generous cuff which is anastomosed to the distal end of the valved Dacron conduit; and (5) restoration of aortic continuity with a tubular Dacron graft. Since 1971, 4 children ages 2 to 9 years have undergone successful correction of truncus arteriosus types II or III by this technique.
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