I am living with persistent AFib at 54. What are my treatment options?

Question

Hello doctor,

I am 54, diagnosed with persistent atrial fibrillation six months ago after experiencing episodes of rapid, irregular heartbeat that made me feel like I was going to die. The heart rate spikes unpredictably to 150-180 beats per minute, causing severe shortness of breath, chest discomfort, and dizziness that makes me afraid to drive or work normally anymore.

My cardiologist started me on Metoprolol and Warfarin, but the blood thinner requires constant monitoring and dietary restrictions that complicate my life significantly. The beta-blocker helps somewhat with heart rate control but causes fatigue and makes me feel sluggish during activities I used to enjoy, like hiking and playing with grandchildren.

I am absolutely terrified about having a stroke from blood clots, especially since my father died from a massive stroke at 62, likely related to untreated AFib. Episodes seem to be triggered by stress, caffeine consumption, and sometimes occur for no apparent reason, making me constantly anxious about when the next one will happen. My sleep is severely disrupted because I wake up feeling my heart racing or skipping beats, and the anxiety about my heart condition makes it hard to fall back asleep.

My cardiologist mentioned procedures like cardioversion or catheter ablation, but I am worried about the risks and whether they actually cure the problem permanently or just temporarily. Work performance is suffering because I am tired from medications and worried about having episodes during important meetings.

Are there newer blood thinners that do not require frequent monitoring?
Or alternative treatments that might restore normal rhythm permanently?

Please help.

Thank you.

Answer 1

Hello,

Welcome to icliniq.com.

I have read your query and can understand your concern.

Atrial fibrillation is a heart rhythm problem in which the upper chambers of the heart are producing an irregular, fast heart rate that can produce a variety of symptoms, including palpitations, shortness of breath, fatigue, and anxiety. As the upper chambers of the heart are not contracting in atrial fibrillation, there is blood stasis or pooling leading to the formation of a blood clot. This clot may dislodge and cause a stroke by obstructing a blood vessel supplying the brain. The clot can also travel to the limbs and may cause limb ischemia.

Please address the causes of worsening heart rate control in atrial fibrillation, including timely management of infections, avoiding dehydration, limiting caffeine and alcohol intake, managing stress, and ensuring proper and adequate sleep. If these are properly taken care of, then the heart rate will be in an ideal range, and there will be less variation. Once your heart rate is in the ideal range, you should start feeling better and more energetic.

Depending upon the cause, atrial fibrillation can be paroxysmal (can come and go) and may be permanent. In any case, it would need medical management, including blood thinners.

After diagnosing atrial fibrillation, the need for anticoagulation (blood thinners) is determined after assessing the risk of thromboembolic events and bleeding. A final decision is based on the risk-versus-benefit ratio. The healthcare provider will use different scores to calculate your risk. If the CHA2DS2-VASc (congestive heart failure, hypertension, age ≥75 (doubled), diabetes, stroke/TIA (doubled), vascular disease, age 65-74, and sex category) score is more than 2, blood thinners are strongly recommended. The physician must also have calculated the risk of bleeding. One of the scores used to estimate bleeding risk is the HAS-BLED (hypertension, abnormal renal/liver function, stroke, bleeding history/predisposition, labile INR, elderly, and drugs/alcohol) score; if this score is high, physicians typically have a detailed discussion with the patient. If your risk of bleeding is low, anticoagulation is considered safe.

Please remember that atrial fibrillation often has a secondary cause, including hypertension, ischemia, structural heart diseases, thyroid disorders, and electrolyte imbalances. Therefore, it is important to identify and treat the underlying cause to prevent and manage atrial fibrillation.

The main pillars of treatment include heart rate control, rhythm control, anticoagulation as needed, treating the underlying cause, and, if necessary, intervention such as ablation. Rhythm is reverted to normal sinus rhythm with the help of anti-arrhythmic medications first, and if unsuccessful or unstable, by delivering a shock, in which the patient is given sedation and paddles are placed over the chest, and a small shock is delivered. This is a very safe procedure if proper precautions are taken previously. Surgeons sometimes perform a maze procedure to treat atrial fibrillation, and an electrophysiologist can conduct an electrophysiology study by placing different electrodes inside the heart through a peripheral vein, locating the foci of atrial fibrillation, and ablating them. These procedures are also being used very successfully now.

Depending upon the cause, ablation may be effective in certain cases, while it may occur again from a different focus after ablation in some cases. Even if the ablation is done successfully, the patient will still need beta-blockers and blood thinners.

About the issues with Warfarin and frequent monitoring, you can talk to your doctor to start you on direct oral anticoagulants (DOACs) whose activity is more predictable. Does not need frequent monitoring and is safer in terms of bleeding profile. Among these medications are Apixaban and Rivaroxaban.

I hope this answers your query.

Please let me know if I can assist you further.

Thank you.