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Panic Attacks May Be an Independent Risk Factor for...
10-18-2007, 04:41 PM
Post: #1
Jonnyjonny_uk Offline
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Panic Attacks May Be an Independent Risk Factor for...
Panic Attacks May Be an Independent Risk Factor for Cardiovascular Disease

News Author: Susan Jeffrey
CME Author: Penny Murata, MD

October 8, 2007 — A new analysis of data from a substudy of the Women's Health Initiative Observational Study suggests panic attacks may be an independent risk factor for cardiovascular morbidity and mortality.

Postmenopausal women in this study who reported having had a panic attack in the previous 6 months had a 4-fold increased risk for coronary heart disease (CHD) and a 3-fold increased risk for the combined endpoint of CHD and stroke for approximately 5 years of follow-up. The risk persisted after controlling for known cardiovascular risk factors and was similar in magnitude to other established risk factors.

"Although it was quite a significant increase in relative risk, the absolute numbers of women who had those outcomes was still relatively small," first author Jordan W. Smoller, MD, ScD, from Harvard Medical School and Massachusetts General Hospital in Boston, told Medscape Psychiatry.

"On the clinical side, this may identify a subgroup of women who warrant additional monitoring or assessment of their overall cardiac risk," Dr. Smoller said.

The report appears in the October issue of the Archives of General Psychiatry.

Depression, Phobic Anxiety, Panic Attacks

The new findings related to panic attacks are consistent with previous studies that have implicated negative emotional states and psychological symptoms in cardiovascular outcomes, Dr. Smoller said. For example, previous work has shown an association between depression and phobic anxiety and cardiovascular morbidity and mortality. "This is the first large prospective study to look at panic attacks in particular," he said.

Panic attacks involve sudden episodes of fear, anxiety, or extreme discomfort accompanied by 4 or more associated cognitive or autonomic symptoms, the study authors write. Panic attacks may occur sporadically or as a feature of several anxiety disorders, including panic disorder, social anxiety disorder, and specific phobias.

The present report, called the Myocardial Ischemia and Migraine Study (MIMS), is an ancillary study of the Women's Health Initiative Observational Study, an ongoing, multicenter prospective survey of risk factors for heart disease, cancer, fractures, and other causes of morbidity and mortality among 93,676 postmenopausal women.

MIMS was carried out at 10 of the 40 centers that participated in the Women's Health Initiative. Included were 3369 community-dwelling, generally healthy postmenopausal women aged 51 to 83 years. They were enrolled between 1997 and 2000 and completed a questionnaire about the occurrence of panic attack within the last 6 months.

The study authors report that 10% of women reported full-blown panic attacks. "It was surprising how common it was," Dr. Smoller said. "We had a somewhat broad definition of panic attacks, but previous studies had suggested the frequency would not be as high as 10%, but closer to 1% or 2%."

A 6-month history of panic attack was associated with a 4-fold increase in CHD, as well as an increased risk for the combined endpoint of CHD and stroke. After excluding those with a history of cardiovascular and cerebrovascular events, there was still an increased risk for all-cause mortality associated with panic attacks.
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10-18-2007, 07:06 PM
Post: #2
Lolly Offline
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Re: Panic Attacks May Be an Independent Risk Factor for...
Great :roll:
Yet another thing to worry about :wink:

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10-19-2007, 01:31 AM
Post: #3
Demi Offline
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Re: Panic Attacks May Be an Independent Risk Factor for...
I'm seriously worrying about this now... :shock:

Worrying isn't going to help but..
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10-19-2007, 10:01 AM
Post: #4
Shy guy Offline
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Re: Panic Attacks May Be an Independent Risk Factor for...
Hmmm, there is another possibility what if the 'panic attacks' were actually part of the heart problem rather than stress related? Worth thinking about.

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They are not barking, they are talking in dog. Obviously you don't understand the language.
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10-19-2007, 08:43 PM
Post: #5
Demi Offline
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Re: Panic Attacks May Be an Independent Risk Factor for...
:shock: My panic attacks could indicate a heart problem?!?! :shock:
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10-19-2007, 10:46 PM
Post: #6
Barrucadu Offline
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Re: Panic Attacks May Be an Independent Risk Factor for...
Demi Wrote::shock: My panic attacks could indicate a heart problem?!?! :shock:
Try not to panic!

It's a vicious cycle: Panic attacks can cause heart problems - worry of heart problems causes panic attacks!

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10-20-2007, 05:50 AM
Post: #7
Shy guy Offline
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Re: Panic Attacks May Be an Independent Risk Factor for...
Demi Wrote::shock: My panic attacks could indicate a heart problem?!?! :shock:

Barrucadu right try not to panic, however, for the benefit of Lolly and Demi, let’s go through this again: stongue

One of the author’s of the study, Dr Smoller, told Medscape Psychiatry:

"The study doesn't really address whether this is a direct effect of anxiety on the cardiovascular system or whether panic attacks were a proxy for some other risk factor, although we controlled for known risk factors and it did not seem due to those," “It is possible that because panic attacks have symptoms that overlap with cardiovascular and pulmonary disease, these symptoms may represent unrecognised symptoms of underlying disease”.

Dr Smoller also pointed out that because the question asked was simply whether these women had had a panic attack in the last 6 months, those who said they had would include both those with a single panic attack and those with chronic, severe, recurrent panic disorder. "So we can't look at the effect of frequency or severity of the panic in the association here. For example, panic attacks can occur as part of a number of psychiatric conditions including anxiety disorders and depression, or sometimes be related to medical conditions, or substances, or medications, and we couldn't really tease that apart."

Notes:

1. The original study looked at 3369 post-menopausal women (that means they had finished having periods for at least two year before the study) aged 51 to 83 years

2. 330 women had full-blown panic attacks (which the researchers think could be a risk factor in heart disease)

3. 273 women had limited-symptom panic attacks.

4. 126 women with indeterminate panic attacks, defined as only rapid or irregular heartbeats

5. 2640 women in the comparison group had neither full-blown nor limited-symptom panic attacks.

6. The full-blown panic attack group vs. the no panic attack group had younger age (49% aged 50 - 59 years vs. 46% aged 60 - 69 years), different race composition (9% vs. 18% Asian; 8% vs. 5% black; 4% vs. 2% Hispanic), lower education (44% post–high school vs. 48% college degree), lower income, more current vs. past smoking (10% vs. 5%), more alcohol use in the past vs. present alcohol use (26% past drinker vs. 24% present drinkers, 1 - 6 drinks per week), higher body mass index, higher likelihood of diabetes treatment (6% vs. 3%), depression (31% vs. 7%), history of CHD (8% vs. 3%), history of CHD or stroke (9% vs. 4%), and arterial fibrillation (7% vs. 3%). (Here we see some other possible contributing factors)

7. Only 41 women actual suffered a heart attack but twice as many had, had full-blown panic attacks in the previous six months.

Why do dogs bark?

They are not barking, they are talking in dog. Obviously you don't understand the language.
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