What is the recommended treatment for Thrombotic CVA within 3 hours of symptom onset?

The recommended treatment for a thrombotic cerebrovascular accident (CVA), or stroke, within three hours of symptom onset is the administration of tissue plasminogen activator (TPA). TPA is a thrombolytic agent that works by dissolving the clot obstructing blood flow to the brain, thereby restoring circulation and minimizing brain damage.

When administered within the recommended time frame, TPA can significantly improve outcomes for patients experiencing a stroke. Clinical guidelines strongly encourage the use of TPA as the first-line treatment for eligible patients because it is associated with better recovery rates and can enhance the likelihood of a favorable functional outcome.

The other treatments listed, such as mechanical thrombectomy and endovascular procedures, may also be considered, but they are typically used in specific circumstances or at later time points beyond the standard three-hour window or for larger vessel occlusions. Surgery to clip an aneurysm is not appropriate in the setting of a thrombotic stroke, as it is intended for addressing structural issues rather than the acute obstruction caused by a thrombus. Thus, TPA stands out as the optimal immediate treatment for thrombotic CVA within the critical early window post-symptom onset.