What does WARSS mean in PHYSIOLOGY


WARSS is an important study that seeks to answer the question of whether warfarin or aspirin is a better option for stroke prevention in adults. The Warfarin Aspirin Recurrent Stroke Study (WARSS) was conducted in the United States and Canada and included over 8,000 participants with a history of stroke or transient ischemic attack (TIA). This study aimed to compare the effectiveness of the two medications, warfarin and aspirin, for preventing additional strokes in adults. This trial found that warfarin was superior to aspirin in reducing recurrent stroke rate, but also comes with an increased risk of bleeding compared to aspirin.

WARSS

WARSS meaning in Physiology in Medical

WARSS mostly used in an acronym Physiology in Category Medical that means Warfarin Aspirin Recurrent Stroke Study

Shorthand: WARSS,
Full Form: Warfarin Aspirin Recurrent Stroke Study

For more information of "Warfarin Aspirin Recurrent Stroke Study", see the section below.

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What is WARSS?

The Warfarin Aspirin Recurrent Stroke Study (WARSS) was a large-scale randomized clinical trial designed to analyze the efficacy and safety of warfarin versus aspirin for recurrent stroke prevention. It investigated whether warfarin could reduce recurrent stroke frequency more effectively than aspirin. The WARSS trial included 8,170 participants over age 18 who had experienced at least one transient ischemic attack or major stroke within five years before they enrolled in the study. Participants were randomized into either warfarin or aspirin groups, with primary endpoints being total late hemorrhagic infarcts, total disabling strokes and total deaths due to any cause after two years of follow-up. Secondary endpoints included nonfatal hemorrhage and other causes of death.

Essential Questions and Answers on Warfarin Aspirin Recurrent Stroke Study in "MEDICAL»PHYSIOLOGY"

What is the WARSS study?

The Warfarin Aspirin Recurrent Stroke Study (WARSS) was a randomized, double-blinded trial which investigated the effectiveness of Warfarin vs. Aspirin in preventing recurrent strokes. The primary outcome measure was the composite rate of combined stroke and systemic embolism at 12 months.

Who participated in the WARSS study?

The WARSS study involved individuals aged 18 years and older with a history of stroke or transient ischemic attack who had not already had a major medical intervention such as carotid endarterectomy or carotid artery stenting.

How long did the WARSS trial last for?

The two-year WARSS trial began enrolling participants in 1995 and ran until 2001.

What were the main results from the WAA2 study?

In terms of effect size, Warfarin was found to be better than aspirin at reducing recurrent stroke risk by 16%. Additionally, Warfarin reduced mortality rates due to stroke by 28% when compared to aspirin.

Were there any adverse effects associated with taking either Warfarin or Aspirin?

Yes, there were some minor adverse effects associated with both medications. For Warfarin, there was an increased risk of bleeding events including gastrointestinal bleeding whereas for aspirin there was a slightly increased risk of gastrointestinal ulceration. However, these risks were deemed to be small and outweighed by the benefits of each drug in reducing stroke recurrence rates.

Can people use both Warfarin and Aspirin together?

No, it is not recommended to take both medications concurrently as this could increase bleeding risks significantly without providing any additional benefit over taking either drug alone. Talk with your doctor before starting any new medication regimen.

Are there any other drugs that can be used for stroke prevention instead of Warfarin or Aspirin?

Yes, there are several other antithrombotic agents that have been approved for preventing recurrent strokes such as clopidogrel and dabigatran as well as certain types of statins like simvastatin and atorvastatin which can also help reduce stroke risk when taken as part of an overall treatment strategy. Your doctor will be able to advise you on which agents may be suitable options for you depending on your specific medical history and risk profile.

What safety measures should be taken if I am taking Warfarin or Aspirin?

It is important to observe some basic safety precautions if you are taking either medication such as avoiding activities that might cause harm in case you experience excessive bleeding e.g swimming or contact sports, monitoring your diet carefully so you do not consume too much vitamin K foods that could interfere with how warfarin works and never mixing aspirin with other non-steroidal anti-inflammatory medications (e.g ibuprofen) unless your doctor has specifically advised it is safe to do so.

How often do I need to have my blood monitored while taking warfarin?

This depends on your level of anticoagulation control but generally speaking it is recommended that blood tests like INR (International Normalised Ratio) are done regularly — typically once every four weeks — while taking warfarin so doses can be adjusted accordingly.

Final Words:
The results from the WARSS showed that warfarin use reduced both disabling strokes and deaths from any cause by 20% compared to those treated with aspirin after two years of follow-up. Furthermore, warfarin use was associated with more intracranial hemorrhages than those on aspirin but this difference disappeared after four years suggesting that those on warfarin were protected against late strokes caused by arteriolosclerosis following initial healing period from earlier TIA /stroke events which no longer occurred after 4 year period. It can be concluded from this trial that careful patient selection regarding its risks/benefits is essential when treating vascular diseases like TIA/stroke where therapy decisions mainly involve antithrombotic options such as warfarin versus aspirin.

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