Autonomic Nervous System Dysregulation After Surgery - Neurology

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Autonomic Nervous System (ANS) dysregulation can indeed occur after surgical procedures, particularly in patients with pre-existing cardiovascular conditions. In your case, the history of coronary artery disease and the multiple surgeries you have undergone, including catheter ablation for atrial flutter and fibrillation, may contribute to the sensitivity of your autonomic nervous system.
The ANS is responsible for regulating involuntary bodily functions, including heart rate, blood pressure, and temperature regulation. When the ANS is dysregulated, it can lead to symptoms such as fluctuations in blood pressure and heart rate, especially in response to environmental changes, such as temperature variations. This is likely what you are experiencing when you notice your heart rate and blood pressure spiking during sudden temperature changes.

Your description of feeling uncomfortable for hours during these episodes suggests that your body is having difficulty adapting to these changes, which can be a sign of autonomic dysregulation. This condition can be exacerbated by surgical stress, anesthesia, and the physiological changes that occur during and after surgery.
It is important to note that while surgery can contribute to ANS dysregulation, other factors such as medication side effects, underlying health conditions, and lifestyle factors can also play a significant role. For instance, certain medications used to manage heart conditions can affect the ANS, leading to increased sensitivity or dysregulation.

To address your concerns, it would be advisable to consult with a cardiologist or a neurologist who specializes in autonomic disorders. They can conduct a thorough evaluation, which may include tests to assess your heart rate variability, blood pressure response to postural changes, and other autonomic function tests. These assessments can help determine the extent of dysregulation and guide appropriate management strategies.

In terms of treatment, management of ANS dysregulation often involves lifestyle modifications, such as maintaining a stable environment, staying hydrated, and managing stress. In some cases, medications may be adjusted or prescribed to help stabilize heart rate and blood pressure responses. Physical therapy or rehabilitation programs may also be beneficial in improving overall autonomic function and cardiovascular health.

In summary, your symptoms are consistent with autonomic nervous system dysregulation, potentially exacerbated by your surgical history and existing cardiovascular conditions. Consulting with a specialist in cardiology or neurology will provide you with the best guidance for diagnosis and management. It is essential to address these symptoms proactively to improve your quality of life and overall health.