RESUMEN
The clinical data and follow-up results of 27 paraspinoid aneurysms treated by Willis covered stent (WCS) in Department of Neurosurgery, Army Medical University from May 2014 to January 2021 were retrospectively analyzed. Among them, 17 cases (63.0%) were treated with WCS alone, and 10 cases (37.0%) were assisted with coiling embolization. During the follow-up, postoperative internal leakage occurred in 2 patients(7%), of which 1(type â ) wasself-healing and the other 1 (type â ¢) was cured by WCS implantation again. The remaining patients had no aneurysm recurrence, unobstructed parent artery, stent displacement and internal stenosis. 92.6% (25/27) of the improved mRS scores were good. WCS is a safe and effective method for the treatment of parabedinal aneurysms.
Asunto(s)
Embolización Terapéutica , Procedimientos Endovasculares , Aneurisma Intracraneal , Angiografía Cerebral/métodos , Embolización Terapéutica/métodos , Estudios de Seguimiento , Humanos , Aneurisma Intracraneal/cirugía , Estudios Retrospectivos , Stents , Resultado del TratamientoRESUMEN
Aliquots from 40 plasma pools preserved with metaphosphoric acid were assayed for their ascorbic acid values after 12, 24, and 42 months of storage at -70 degrees C. Similarly, aliquots from 16 plasma pools were assayed for values of retinol, several carotenoids, and two tocopherols at 15.5, 27.5, and 51.5 months of storage at -70 degrees C. There were no indications of important losses of these antioxidant micronutrients during storage from the first to the last assay.