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Re: Tykosin/Dofetilide

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> Hello, all. My electrophysiologist is proposing to put me on

Tykosin

> instead of Diltiazem. I go in and out of afib constantly,...I

don¹t have the impression that Toprol or Cardizem have

> had any effect on the frequency of my afib episodes, so I figure I

might be

> just as well off without drugs except, of course, Coumadin.

Kathleen, I don't know why your doc prefers tikosyn to other possible

meds, but some people here have had great success with it, like Ellen.

Toprol and Cardizem (which I think is a calcium channel blocker?) are

less effective in keeping people out of afib than the more serious

meds, but are safer, so it's kind of like comparing apples and

oranges.

I don't like taking meds either, so it's basically a question of how

much the afib bothers you.

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> Hello, all. My electrophysiologist is proposing to put me on

Tykosin

> instead of Diltiazem. I go in and out of afib constantly,...I

don¹t have the impression that Toprol or Cardizem have

> had any effect on the frequency of my afib episodes, so I figure I

might be

> just as well off without drugs except, of course, Coumadin.

Kathleen, I don't know why your doc prefers tikosyn to other possible

meds, but some people here have had great success with it, like Ellen.

Toprol and Cardizem (which I think is a calcium channel blocker?) are

less effective in keeping people out of afib than the more serious

meds, but are safer, so it's kind of like comparing apples and

oranges.

I don't like taking meds either, so it's basically a question of how

much the afib bothers you.

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> Hello, all. My electrophysiologist is proposing to put me on

Tykosin

> instead of Diltiazem. I go in and out of afib constantly,...I

don¹t have the impression that Toprol or Cardizem have

> had any effect on the frequency of my afib episodes, so I figure I

might be

> just as well off without drugs except, of course, Coumadin.

Kathleen, I don't know why your doc prefers tikosyn to other possible

meds, but some people here have had great success with it, like Ellen.

Toprol and Cardizem (which I think is a calcium channel blocker?) are

less effective in keeping people out of afib than the more serious

meds, but are safer, so it's kind of like comparing apples and

oranges.

I don't like taking meds either, so it's basically a question of how

much the afib bothers you.

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Kathleen wrote:

<<My question to the list is whether or not it seems reasonable for me

to resist drug therapy (except for Coumadin) altogether.>>

The AFFIRM trial had one very significant limitation, which was it

excluded any patient for whom stand alone rate control therapy was not a

reasonable choice. Thus the conclusion that there was no difference in

outcome between those on rhythm control and rate control is applicable

only to the group they selected. Most of the patients in both groups

were anti-coagulated. They did not set up a group that was on both rate

and rhythm control, which would have been interesting to me. Rate

control is almost always prescribed along with rhythm control in

clinical practice. Further, the longest they followed any patient was 4

years, with most followed for less than that time period, which is not

that long.

If you go in and out of AFib constantly, you sound like you might not

have been selected for AFFIRM because the time of greatest danger for

stroke is when you are returning from AFib to NSR, especially after

being in AFib for 48 hours or longer. I'm speculating here that they

would have wanted patients who were more stable. But that is

speculation. I bring all this up because I've listened to experts who

say too many of us lay people interpret AFFIRM as meaning more than it does.

Then there is the issue of " quality of life " as in, does AF affect your

ability to drive, have fun, work, lightheadedness, postural hypotension,

etc. ?? My bet is Tykosin would make a big difference in the number of

times you go into AF, as in perhaps many months between episodes. And

the episodes themselves could be much briefer and less symptomatic.

The question of why bypass the first line drugs stated in the guidelines

is certainly a good one and I would like to know the response, if you

care to share it after you get it. Tykosin blood levels are in good part

a response to how the kidneys process it, and the difference between a

helpful and harmful blood level is apparently small enough that they

hospitalize anyone going on the drug, or even changing doses, so they

can check exactly how YOUR kidneys handle it. Plus the prescriber must

have been specially certified to handle the situation. To maintain tight

control over its use, Tykosin is available from only one pharmacy in the

US, one that apparently has a list of every doc who is authorized to

prescribe it. I would not call these " red flags " but I would certainly

ask the doc what is the worst thing that ever happened to a patient

taking it in his or her clinical experience. And so on.

For myself, if I were in and out of NSR as much as you are, I would not

resist drug therapy in general. I would probably resist Tykosin as the

starting point. Guidelines get to be guidelines for good reason,

usually, and these are all potent drugs.

- OU alum in MI

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Kathleen wrote:

<<My question to the list is whether or not it seems reasonable for me

to resist drug therapy (except for Coumadin) altogether.>>

The AFFIRM trial had one very significant limitation, which was it

excluded any patient for whom stand alone rate control therapy was not a

reasonable choice. Thus the conclusion that there was no difference in

outcome between those on rhythm control and rate control is applicable

only to the group they selected. Most of the patients in both groups

were anti-coagulated. They did not set up a group that was on both rate

and rhythm control, which would have been interesting to me. Rate

control is almost always prescribed along with rhythm control in

clinical practice. Further, the longest they followed any patient was 4

years, with most followed for less than that time period, which is not

that long.

If you go in and out of AFib constantly, you sound like you might not

have been selected for AFFIRM because the time of greatest danger for

stroke is when you are returning from AFib to NSR, especially after

being in AFib for 48 hours or longer. I'm speculating here that they

would have wanted patients who were more stable. But that is

speculation. I bring all this up because I've listened to experts who

say too many of us lay people interpret AFFIRM as meaning more than it does.

Then there is the issue of " quality of life " as in, does AF affect your

ability to drive, have fun, work, lightheadedness, postural hypotension,

etc. ?? My bet is Tykosin would make a big difference in the number of

times you go into AF, as in perhaps many months between episodes. And

the episodes themselves could be much briefer and less symptomatic.

The question of why bypass the first line drugs stated in the guidelines

is certainly a good one and I would like to know the response, if you

care to share it after you get it. Tykosin blood levels are in good part

a response to how the kidneys process it, and the difference between a

helpful and harmful blood level is apparently small enough that they

hospitalize anyone going on the drug, or even changing doses, so they

can check exactly how YOUR kidneys handle it. Plus the prescriber must

have been specially certified to handle the situation. To maintain tight

control over its use, Tykosin is available from only one pharmacy in the

US, one that apparently has a list of every doc who is authorized to

prescribe it. I would not call these " red flags " but I would certainly

ask the doc what is the worst thing that ever happened to a patient

taking it in his or her clinical experience. And so on.

For myself, if I were in and out of NSR as much as you are, I would not

resist drug therapy in general. I would probably resist Tykosin as the

starting point. Guidelines get to be guidelines for good reason,

usually, and these are all potent drugs.

- OU alum in MI

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Kathleen wrote:

<<My question to the list is whether or not it seems reasonable for me

to resist drug therapy (except for Coumadin) altogether.>>

The AFFIRM trial had one very significant limitation, which was it

excluded any patient for whom stand alone rate control therapy was not a

reasonable choice. Thus the conclusion that there was no difference in

outcome between those on rhythm control and rate control is applicable

only to the group they selected. Most of the patients in both groups

were anti-coagulated. They did not set up a group that was on both rate

and rhythm control, which would have been interesting to me. Rate

control is almost always prescribed along with rhythm control in

clinical practice. Further, the longest they followed any patient was 4

years, with most followed for less than that time period, which is not

that long.

If you go in and out of AFib constantly, you sound like you might not

have been selected for AFFIRM because the time of greatest danger for

stroke is when you are returning from AFib to NSR, especially after

being in AFib for 48 hours or longer. I'm speculating here that they

would have wanted patients who were more stable. But that is

speculation. I bring all this up because I've listened to experts who

say too many of us lay people interpret AFFIRM as meaning more than it does.

Then there is the issue of " quality of life " as in, does AF affect your

ability to drive, have fun, work, lightheadedness, postural hypotension,

etc. ?? My bet is Tykosin would make a big difference in the number of

times you go into AF, as in perhaps many months between episodes. And

the episodes themselves could be much briefer and less symptomatic.

The question of why bypass the first line drugs stated in the guidelines

is certainly a good one and I would like to know the response, if you

care to share it after you get it. Tykosin blood levels are in good part

a response to how the kidneys process it, and the difference between a

helpful and harmful blood level is apparently small enough that they

hospitalize anyone going on the drug, or even changing doses, so they

can check exactly how YOUR kidneys handle it. Plus the prescriber must

have been specially certified to handle the situation. To maintain tight

control over its use, Tykosin is available from only one pharmacy in the

US, one that apparently has a list of every doc who is authorized to

prescribe it. I would not call these " red flags " but I would certainly

ask the doc what is the worst thing that ever happened to a patient

taking it in his or her clinical experience. And so on.

For myself, if I were in and out of NSR as much as you are, I would not

resist drug therapy in general. I would probably resist Tykosin as the

starting point. Guidelines get to be guidelines for good reason,

usually, and these are all potent drugs.

- OU alum in MI

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Kathleen - I was on diltiazim for a couple years and then switched to Tykosin

after a very long afib episode complicated by a stomach illness... and all I can

say is that so far so good! I take 250 x 3 Tykosin and 50 mg atenelol and I'm

right as rain!

I have zero side effects, other than NSR, and I have gobs of energy.. really ..

I notice nothing from these drugs (take coumadin too, of course). My heart

rate stays very low... usually around 50, and my blood pressure is usually

around 90/50.. sometimes 110/70 if I'm doing a " cardio " workout!

Sotolol (betapace) was the most horrible drug I ever experienced... like someone

pulling the plug on my life.. I was dead tired all the time, felt pukey, sobby..

I was really a mess.. My pop takes Tambocor and also has a huge problem with

his energy level, and is trying to switch.

When I was first twitched to Tikosyn my heart was kinda " jumpy " .. I'd have

little runs of afib.. short enough that by the time I put my hand to my wrist or

neck, it was gone.. I thought that was the tikosyn, but it may have just been

remnant from being in afib for 6 weeks straight... now, 4 months later, I hardly

ever have any " runs " like that... I can't remember the last time!

Anyway.. just my opinion, but Tykosin is a good thing.. it's definitely got it's

side effects, as do most heart drugs, but I love that it doesn't affect my life

and being in any negative way!

p.s. you have to be hospitalized for at least 3 days while starting this

drug... please do not allow yourself to be put on it without 24 hour care just

steps away... not that your EP would do this, of course.. just making note.

Kathleen Stept wrote:

Hello, all. My electrophysiologist is proposing to put me on Tykosin

instead of Diltiazem. I go in and out of afib constantly, Sometimes have a

day or two in normal rhythm, but I am not sure I want to try any more drugs.

I don¹t know why we would bypass the ³first-line² antiarrythmics (Tambocor,

Rythmol, Betapace), but I will certainly ask. My question to the list is

whether or not it seems reasonable for me to resist drug therapy (except for

Coumadin) altogether. (This is not to say that I want to go the surgical

route right now.) I don¹t have the impression that Toprol or Cardizem have

had any effect on the frequency of my afib episodes, so I figure I might be

just as well off without drugs except, of course, Coumadin. Many thanks for

your thoughts.

--

Kathleen Stept (Diltiazem 120 mg, Coumadin 5mg, Magnesium Oxide 400mg)

, MS

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Kathleen - I was on diltiazim for a couple years and then switched to Tykosin

after a very long afib episode complicated by a stomach illness... and all I can

say is that so far so good! I take 250 x 3 Tykosin and 50 mg atenelol and I'm

right as rain!

I have zero side effects, other than NSR, and I have gobs of energy.. really ..

I notice nothing from these drugs (take coumadin too, of course). My heart

rate stays very low... usually around 50, and my blood pressure is usually

around 90/50.. sometimes 110/70 if I'm doing a " cardio " workout!

Sotolol (betapace) was the most horrible drug I ever experienced... like someone

pulling the plug on my life.. I was dead tired all the time, felt pukey, sobby..

I was really a mess.. My pop takes Tambocor and also has a huge problem with

his energy level, and is trying to switch.

When I was first twitched to Tikosyn my heart was kinda " jumpy " .. I'd have

little runs of afib.. short enough that by the time I put my hand to my wrist or

neck, it was gone.. I thought that was the tikosyn, but it may have just been

remnant from being in afib for 6 weeks straight... now, 4 months later, I hardly

ever have any " runs " like that... I can't remember the last time!

Anyway.. just my opinion, but Tykosin is a good thing.. it's definitely got it's

side effects, as do most heart drugs, but I love that it doesn't affect my life

and being in any negative way!

p.s. you have to be hospitalized for at least 3 days while starting this

drug... please do not allow yourself to be put on it without 24 hour care just

steps away... not that your EP would do this, of course.. just making note.

Kathleen Stept wrote:

Hello, all. My electrophysiologist is proposing to put me on Tykosin

instead of Diltiazem. I go in and out of afib constantly, Sometimes have a

day or two in normal rhythm, but I am not sure I want to try any more drugs.

I don¹t know why we would bypass the ³first-line² antiarrythmics (Tambocor,

Rythmol, Betapace), but I will certainly ask. My question to the list is

whether or not it seems reasonable for me to resist drug therapy (except for

Coumadin) altogether. (This is not to say that I want to go the surgical

route right now.) I don¹t have the impression that Toprol or Cardizem have

had any effect on the frequency of my afib episodes, so I figure I might be

just as well off without drugs except, of course, Coumadin. Many thanks for

your thoughts.

--

Kathleen Stept (Diltiazem 120 mg, Coumadin 5mg, Magnesium Oxide 400mg)

, MS

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> Hello, all. My electrophysiologist is proposing to put me on

Tykosin

> instead of Diltiazem. I go in and out of afib constantly,

Sometimes have a

> day or two in normal rhythm, but I am not sure I want to try any

more drugs.

> I don¹t know why we would bypass the ³first-line² antiarrythmics

(Tambocor,

> Rythmol, Betapace), but I will certainly ask. My question to the

list is

> whether or not it seems reasonable for me to resist drug therapy

(except for

> Coumadin) altogether. (This is not to say that I want to go the

surgical

> route right now.) I don¹t have the impression that Toprol or

Cardizem have

> had any effect on the frequency of my afib episodes, so I figure I

might be

> just as well off without drugs except, of course, Coumadin. Many

thanks for

> your thoughts.

> --

> Kathleen Stept (Diltiazem 120 mg, Coumadin 5mg, Magnesium Oxide

400mg)

> , MS

>

There are people living with rate-controlled afib. After being in

chronic (24/7) afib for over 6 weeks earlier this year I could

*almost* understand that one could live with it. It wasn't *that*

bad, being rate-controlled (thanks to toprol). So it boiled down to

the old " risk-benefit-just how bad do I feel this way? " decision. I

decided that if a stronger med could keep me in nsr I was willing to

try it. I did, it has and I feel much better.

Also, I would think that you would still have to take toprol even if

you decided not to take diltiazem or tikosyn, to keep your rate

down...?

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