Stressful experience may result in the inception of asthma, exacerbations, and. inadequate control. In this article we explore the relationship between psy-. chologic stress as an exacerbating factor of asthma and the mechanisms through. which this relationship may exist.
That sort of thing takes months or years. As for brain surgery, many last several hours. If done right, the type of brain surgery known as Deep Brain Stimulation takes at least six or seven hours, to implant electrodes in the target area of the brain.
Now you need to know what to expect during the procedure. The coronary bypass surgery will usually take between three to six hours and will require a general anesthesia. The number of bypasses required will depend on the location and severity of blocked arteries in your heart.