Outside of their use in performance anxiety, have you tried or found benefit with a daily beta blocker for generalized anxiety?

In concert with a psychiatrist, I've used beta blockers for patients with a history of trauma and/or somatoform disorder to reduce sympathetic stimulation and bodily sensations that worsen anxiety. In one particularly challenging case, the near-immediate relief after taking propranolol was helpful in a patient otherwise unwilling to try medication, and we wound up using BID labetalol with prn propranolol to manage symptoms that were otherwise intolerable and causing repeated emergency room visit...