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CPAP and Low Blood Pressure contraindications.

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WarpedTrekker +0 points · almost 3 years ago Original Poster

Before starting therapy, my blood pressure was a little high, 140/90, 130/90. Somewhere like that. Now it is routinely 100/60 most of the time in early morning and evenings. Is this concerning low? Because Im wondering now how low it goes when I lay down to go to sleep and in my sleep.

I'm on Multaq and Bystolic for AFIB. Both can also sort of lower pressure too. Xarelto for blood clots. I recently have been having some dizziness upon standing and wondering if it's my blood pressure or something else.

My cardiologist and electrophysiologist are not too concerned. But this seems like a low blood pressure for me. My body has been used to 140/90 for years with uncontrolled sleep apnea.

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Sierra +0 points · almost 3 years ago Sleep Patron

I have read that CPAP therapy is supposed to reduce blood pressure. My blood pressure was well controlled with an ACE inhibitor and a beta blocker before I went on the CPAP. I have not noticed any significant change in blood pressure post CPAP. However, I convinced my doctor to reduce the beta blocker dose in half, because I felt it was increasing my incidence of central apnea. I have also read that CPAP treatment improves your blood glucose values if you are diabetic. I am diabetic and I have not noticed any change to BG readings either.

I am not familiar with the drugs you are taking, but my suggestion would be to keep detailed records of your BP at various times of the day and take it to your doctor for review. There are some recent studies which have found that risk increases when the diastolic pressure is lowered to less than 70. See this link:

Can Your Blood Pressure be Too Low

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SleepDent +0 points · almost 3 years ago Sleep Commentator

I am a dentist working in dental sleep medicine. My sense of the general feeling in the medical profession is that, when it comes to blood pressure, they would rather err on the low side IF YOU FEEL O.K.. If and when the blood pressure is getting so low that you are feeling tired most of the time or getting dizzy when changing position or standing up, it may be time to re-think it. Certainly, one of the beneficial side effects of CPAP is that it can lower B.P.. Apparently, the lower B.P. is making you symptomatic, so an adjustment of medication is a reasonable conversation to have with your health care providers. Arthur B. Luisi, Jr., D.M.D.

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sleeptech +0 points · almost 3 years ago Sleep Enthusiast

I am not a doctor but a tech. i can tell you that CPAP of reduces blood pressure if was initially too high. If you were prescribed meds to lower your blood pressure before commencing CPAP therapy, and your meds have not been reviewed since, the CPAP may have helped to normalise your blood pressure and those meds could then be pushing it too low. It could well be worth visiting the Dr for a reassessment of your medication levels if you have not already done so.

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