NEW YORK, Nov. 17, 2016 /PRNewswire/ --
There will be significant market growth in the mechanical thrombectomy market over the forecast period, driven by growth in unit sales as mechanical thrombectomy is adopted as standard of care for acute ischemic stroke patients. This market includes stent retrievers and suction thrombectomy catheters. The majority of the time a combination of the two categories is used but there a number of factors that can impact treatment decisions, one key factor being physician preference. Studies found new stent retriever devices are superior to first generation aspiration devices but there have been fewer studies comparing the second generation of both categories. Prior to 2012 it was mainly aspiration used and then with the entrance of stent retrievers, they became the primary treatment. In the last year or so, combination therapy has become the most common. Both categories of devices have a role as certain devices appear to more successful based on the anatomy, clot morphology and clot locations. Additional clinical trials will influence whether the devices continue to be used in conjunction or whether one category will cannibalize shares form the other.
Ischemic Stroke is caused by an obstruction within a blood vessel that is supplying blood to the brain. This is often caused by blood clots but can also be caused by other substances like plaque. The gold standard treatment for strokes for many years has been the administration of clot dissolving or clot busting medication called tissue plasminogen activator (tPA). This type of drug must be administered as soon as possible, with a four hour window from symptom onset, to increase chances of recovery. A significant number of patients do not get to healthcare facilities quickly enough to meet that window and even some of those who do, later experience hemorrhagic complications from the medication. It is very effective for smaller clots but often fails to break up larger clots. Some patients cannot receive tPA, in which cases physicians rely on antiplatelet or anticoagulant medicine to ensure blood clots do not get larger.
St. Jude Medical
Codman & Shurtleff
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