Hypothermia for aneurysm surgery was first used more than 40 years ago and was shortly followed by deep hypothermic circulatory arrest (DHCA). Sonic giant, complex intracranial aneurysms have limited therapeutic alternatives, ...

Coronary artery surgery, specially when performed without cardiopulmonary bypass, needs an atraumatic method that allows temporary coronary occlusion with minimal injury to the vessel wall. An experimental study was performed ...

Collateral circulation, defined as the supplementary vascular network that maintains cerebral blood flow (CBF) when the main vessels fail, constitutes one important defense mechanism of the brain against ischemic stroke. ...

In surgical procedures involving the liver, such as transplantation, resection, and trauma, a temporary occlusion of hepatic vessels may be required. This study was designed to analyze the lesions promoted by ischemia and ...

Stroke is one of the leading causes of death and serious long-term disability worldwide. The only therapeutic agent available is tissue-type plasminogen activator (t-PA), however the number of potential patients is limited ...

The injection of hyaluronic acid (HA), a naturally occurring biopolymer, is a common cosmetic procedure. Despite their efficacy and growing adaptation by the medical community, HA fillers occasionally give rise to adverse ...