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Anticoagulation Service (Coumadin Clinic)

FF Center for Primary Care
2458 Hilborn Rd
Fairfield, CA 94533
(707) 399-1000

 VV Center for Primary Care
421 Nut Tree
Vacaville, CA 95687
(707) 455-3000

The Anticoagulation Safety Program helps patients on the anticoagulation medication Warfarin (brand name "Coumadin") receive the maximum health benefits from their prescriptions. 

Participants in the program, who are referred by their physicians, meet at least every four weeks with a NorthBay Healthcare clinical pharmacist. At this visit, the pharmacist conducts a fingerstick blood test. Results of the test are then reviewed by the pharmacist and patient so adjustments in the medication can be made right away, lessening the possibility of complications and side effects.

Private appointments for the Anticoagulation Safety Program can be made, with written physician referral.   For more information, call the NorthBay Healthcare Anticoagulation Safety Program at (707) 429-7721.

The following is a list of the common questions asked by patients referred to the program, along with answers from NorthBay Healthcare pharmacists and physicians.

Why are patients referred to the Anticoagulation Safety Program?

Although Warfarin/Coumadin® is a life-saving medication, adverse reactions to the drug can occur if it is not managed closely. In fact, Warfarin/Coumadin® is the medication that has been most likely to cause reactions serious enough to result in an emergency room visit or a hospital admission. Many medical studies have shown that programs like the NorthBay Healthcare Anticoagulation Safety Program reduce harmful reactions and hospital admissions.

Research clearly indicates that patients on Warfarin/Coumadin® therapy receive higher quality care when they participate in a coordinated program like the one offered at the NorthBay hospitals. Doctors enroll their patients in the Anticoagulation Safety Program because they believe their patients receive more thorough monitoring and higher quality care than with telephone follow-up of protimes alone.

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Why do I have to make an appointment? Can’t I just drop by the lab at my convenience?

Making an appointment to have your protime checked is actually one of the most important aspects of the Anticoagulation Safety Program. To ensure your safety, Warfarin/Coumadin® therapy needs to be monitored at least every 4 weeks. By making appointments for you to have your blood checked, you can be assured your protimes are tested at the safest intervals possible.

To understand why making appointments is so important for you, it may help you to know more about the medication you are taking. Warfarin/Coumadin® is an anticoagulant (blood thinner) that prevents blood clots from forming and causing a stroke. Warfarin/Coumadin® is what is called a "narrow therapeutic index" drug. This means that the level of the medication in your body must be maintained as close as possible to optimum levels. Too much Warfarin/Coumadin® and you are at risk for a hemorrhage (massive internal bleeding); too little and you are at risk for a stroke. Remembering to have your protime checked on time, every time, can be difficult for many people.

Making an appointment also provides you with the opportunity to consult with our pharmacists who are specialists in Warfarin/Coumadin® therapy. You can discuss changes in your Warfarin/Coumadin® dosage with the pharmacist face to face and ask any questions or express any concerns you might have. This ensures that there is no misunderstanding of what your dosage is and how soon you need to return for follow-up care. Appointments also eliminate the delay that used to occur between the time your blood was drawn in the lab and the time your doctor contacted you about the results. Getting the results right away at your appointment minimizes the amount of time you are at increased risk for having a stroke or hemorrhage if your results are out of the therapeutic range. As if the safety benefits weren’t enough, coming in for you appointment generally takes less time than it would take for you to have your protimes checked at the often-busy laboratory.

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If I never forget to come in for my lab work, do I still need to be part of the Anticoagulation Safety Program?

Your doctor referred you to the Anticoagulation Safety Program because he or she believes strongly that this is the safest way for you to take Warfarin/Coumadin®. Although you may have never forgotten to come in to the lab and have your protime checked when your doctor recommends that you do, the risks associated with forgetting – even one time – are great. Please remember that if your dosage of Warfarin/Coumadin® ever falls out of the therapeutic range, you are at risk of hemorrhage or stroke.

Your doctor also believes that the pharmacy consultation available to you through the Anticoagulation Safety Program is valuable to your health. By referring you to the NorthBay Healthcare Anticoagulation Safety Program, your doctor is making a commitment to keeping you healthy and preventing any health problems from developing, rather than just caring for you if you become ill.

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Why do I see a pharmacist at my visits to the Anticoagulation Safety program instead of my own doctor?

The pharmacist you will see has completed a special training program to manage Warfarin/Coumadin® therapy. Your doctor believes the pharmacist is a valuable member of the health care team managing your drug therapy. A supervising physician, usually a cardiologist, is available to the pharmacist during your visit if a question or issue arises that is best managed by a physician. The pharmacist will also be able to answer your questions about Warfarin/Coumadin® and any other drugs you are taking and how they may interact. Your personal physician will continue to manage your care, and the Anticoagulation Safety Program staff will keep him or her up-to-date on your condition.

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Comments by Anticoagulation Safety Program Patients and Family

"I’m so glad NorthBay started this service for my mother."

"This program makes so much sense to me."

"It’s so nice to have a pharmacist available that I can ask questions about my medications."

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