RecipeForDisaster Posted December 23, 2020 Report Share Posted December 23, 2020 It sounds like I’ve been partly figured out - vessels in my brain constrict when I am upright, and it severely decreases my cerebral perfusion. My neurologist suggested diltiazem, which I tried for my tachycardia and palpitations (switched to metoprolol which worked better), and galantamine. Has anyone tried the latter? I asked one of my cardiologists if I should try taking a little diltiazem with the metoprolol in a smaller dose... curious! If I could fix this, I bet I’d feel better. My BP is so low, it’s hard to vasodilate those vessels without making it worse! I have galantamine on order at the pharmacy and will try it. Quote Link to comment Share on other sites More sharing options...
Pistol Posted December 23, 2020 Report Share Posted December 23, 2020 5 hours ago, RecipeForDisaster said: My BP is so low, it’s hard to vasodilate those vessels without making it worse! @RecipeForDisaster - if your BP is constantly low you probably do not suffer from excessive vasoconstriction but rather from vasodilation. Commonly the vasoconstriction happens when your ANS tries to compensate for the low BP by excessive sympathetic activation - which in turn can cause too much vasoconstriction that cuts off your blood supply to the brain - but usually also increases the BP. When people have consistently low BP the vessels are too dilated, therefore Diltiazem would not work for you. I take a beta blocker and Diltiazem ( a calcium channel blocker ) and it has helped immensely for my hypertension and tachycardia. It ( Diltiazem ) has also improved the cardiac spasms resulting in chest pain and somewhat for the Raynauds ( vasospasms in the feet ). However - since you have low BP it actually is most likely making that worse for you. Do you EVER get high BP? Quote Link to comment Share on other sites More sharing options...
RecipeForDisaster Posted December 24, 2020 Author Report Share Posted December 24, 2020 I demonstrated vasoconstriction in my brain, which reduced my perfusion by 37% when I was tilted. That’s the problem... I don’t need vasodilation everywhere. My extremities are super cold, though. I get chest pain or pressure when I exercise, although I passed an exercise stress test. I’m having a stress echo in a few weeks. I’d like to find a stress MRI too. I was hypertensive as a teenager 25ish years ago, but no, I never am anymore. My BP is half of what it was then. I only tried diltiazem briefly before changing to metoprolol. It didn’t change my palpitations or heart rate enough, but did impact my BP. Metoprolol helps those things without changing my BP. But, if I can help my brain perfusion with a little diltiazem, I’d like to try it. Quote Link to comment Share on other sites More sharing options...
Pistol Posted December 24, 2020 Report Share Posted December 24, 2020 @RecipeForDisaster - diltiazem will not help for HR or palpitations because it is a calcium channel blockers, where as Metoprolol is a beat blocker and works on those receptors that influence HR and irritability of the heart. I am not sure what would help in your case, since vasodilators are not given to people with chronic hypotension. Since you respond well to IV fluids - have you ever spoken to your doctor about getting them regularly? They are very effective, and might prevent the constriction in your brain as well as improve your low BP. Often doctors order a trial of one or two liters a week for 1 month, to see how you are doing with them. If they work well and once you stop them again you go back to feeling worse your doc may consider you getting them long term. Do you think your doc would be receptive to that? Quote Link to comment Share on other sites More sharing options...
RecipeForDisaster Posted December 24, 2020 Author Report Share Posted December 24, 2020 I can’t get a port or PICC due to clotting issues. I have a regular order for weekly fluids as needed, but I basically use them when I really need them. I need to preserve my veins, unfortunately. I get 2L LR over 17 hours or so, so it’s very helpful, but takes forever dragging a pole around. A mixed blessing for sure. I am very grateful that I have a case of LR hanging around ! Diltiazem does reduce heart rate (I’m a pharmacy professional) but I need more help with palpitations (it also lowers my BP where metoprolol hasn’t). I’m also having ventricular bigeminy which seems to be an escape mechanism when my HR gets too low (not really low, but low for my body). If I could replace some of the metoprolol with a little diltiazem (like 30mg), I’m hoping I could get better brain perfusion while taking care of my HR and palpitations. Quote Link to comment Share on other sites More sharing options...
Pistol Posted December 24, 2020 Report Share Posted December 24, 2020 For me the combination of both meds was the answer - just beta blocker was not enough. What does your doc think about doing both? Quote Link to comment Share on other sites More sharing options...
RecipeForDisaster Posted December 24, 2020 Author Report Share Posted December 24, 2020 He said it’s worth trying! He doesn’t know how much the neurologist had in mind. Quote Link to comment Share on other sites More sharing options...
RecipeForDisaster Posted December 24, 2020 Author Report Share Posted December 24, 2020 I should mention that I’ve had to quadruple my metoprolol (with his blessing) over the past couple of years because I keep getting worse. Quote Link to comment Share on other sites More sharing options...
p8d Posted December 26, 2020 Report Share Posted December 26, 2020 I found this on galantidine and dysautonomia https://www.rarediseasesnetwork.org/cms/autonomic/6111 but it’s just a call for participants in a study. It does explain what they are using it for. Please post your experience with it. Quote Link to comment Share on other sites More sharing options...
RecipeForDisaster Posted December 27, 2020 Author Report Share Posted December 27, 2020 Ooooh! I use vagal stimulation too! I am really hoping NIH will take me - I think I’m an interesting and very willing case to study. Thanks for sharing! I'm picking it up tonight, and just have to figure out how to pair it with metoprolol and maybe diltiazem without getting too bradycardic. Quote Link to comment Share on other sites More sharing options...
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