https://www.selleckchem.com/
BACKGROUND The standard approach for crossing peripheral CTOs is to use a combination of hydrophilic guidewires and catheters. The path is either intraluminally or in most cases at least partially subintimal. This standard approach with a guidewire-tip as leading point ("wire first" to cross CTOs has a success rate of about 80%. We hypothesize that a "catheter first" approach, using the catheter alone for the entire recanalization till re-entering the vessel is less traumatic and might lead to a longer intraluminal recanalization due to a softer leading po
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