A review of the etiology, clinical, radiological, differential diagnosis and management goals of failed back surgery syndrome is presented.

the incidence of failed intubation is higher in obstetric than other surgical patients. failed intubation was the 2nd commonest cause of mortality during anesthesia. bearing in mind that failre to intubate may be unavoidable in certain circumstances, it is worth reviewing. the factors, which may contribute to a disastrous out come. priorities of subsequent management must include maintaining ox...

Background Failed fertilization occurs 1-3% in the infertile couples. Failure of oocyte activation (OA) is mainly attributed to failed fertilization. ICSI alone artificial oocyte activation (AOA) is only treatment approach for these individuals. Three procedures are introduced for AOA: chemical, mechanical and electrical. Most of the clinical Centers have commonly used ionomycin for activation ...