New Onset Persistent Refractory Hypertension after Medulloblastoma Excision in Children-An Indicator of Poor Prognosis: A Case Series.

Hypertension in the clinical setting of posterior fossa tumors is a known entity and occurs due to medullary compression by the tumor. Such hypertension usually responds to tumor excision. Postoperative hypertension occurring after posterior fossa tumor excision has been attributed to brain stem edema in a single report earlier, which resolved without any intervention.

Anesthetic management in a patient of autosomal dominant polycystic kidney disease with end stage renal disease undergoing endovascular coiling for multiple intracranial aneurysms.

A 27-year-old woman of autosomal dominant polycystic kidney disease presented with multiple intracranial aneurysms at anterior communicating artery and left middle cerebral artery bifurcation. She was undergoing hemodialysis every alternate day and was waiting for a renal transplantation. Endovascular coiling of both these aneurysms was performed under general endotracheal anesthesia.

Blood groups systems.

International Society of Blood Transfusion has recently recognized 33 blood group systems. Apart from ABO and Rhesus system, many other types of antigens have been noticed on the red cell membranes. Blood grouping and cross-matching is one of the few important tests that the anaesthesiologist orders during perioperative period.