Many POTS patients will see symptom improvement over the course of several years.

There has been no difference in success in symptom improvement between the transsternal approach and the minimally invasive transcervical approach.

Results from two trials suggest that patients with a PS of 2 may experience symptom improvement.

Gefitinib application once per day caused "rapid" symptom improvement and tumor regressions in non-small cell lung cancer patients.

And we collected information about their symptom improvement and their stress hormones.

Other researchers noted the connection between exercise and depression, concluding a moderate amount of exercise was more helpful than no exercise in symptom improvement.

Since then, more research has focused on determining both the effectiveness and the underlying physiological mechanisms leading to symptom improvement.

Most approaches to treatment over the past two decades have not shown consistent symptom improvement.

It may take up to 6 to 12 months before symptom improvement is noticeable.

In order to decide this, studies often look at the adverse effects caused by the medication in comparison to the overall symptom improvement.