Cellphone Calls During Blood Pressure Readings May Skew Results

Interruption can cause spike in systolic pressure, study found

By Alan Mozes

HealthDay Reporter

WEDNESDAY, May 15 (HealthDay News) -- New Italian research offers some cautionary advice for patients with high blood pressure: The next time you take a blood pressure reading, turn off your cellphone.

The reason: Answering a cellphone call during a reading may cause a temporary but significant spike in blood pressure, rendering the results inaccurate and misleading.

"The cellular phone has burst into our everyday life, and is often an indispensable communication tool for business and social relations," said study author Dr. Giuseppe Crippa, head of the hypertension unit at Guglielmo da Saliceto Hospital in Piacenza, Italy. "[Now] we know that the radio-frequency field generated by mobile phones does not affect blood pressure, and should not increase blood pressure in subjects suffering from hypertension.

"But what is the effect of the noise generated by the phone ringing and of the intrusion into our life of an unscheduled phone conversation?" Crippa asked. "In our study, we have shown that blood pressure, particularly systolic blood pressure, increases quickly and significantly in this situation."

The study authors said one in three Americans (and 1 billion people worldwide) currently struggles with high blood pressure.

Those grappling with keeping their high blood pressure under control often are instructed to either come in for routine readings taken by a health care professional, or to use one of many at-home monitoring kits that give patients the option of taking their own readings on a regular basis.

To explore the question of how cellphones might affect such readings, the authors focused on 49 Italian women with an average age of 53, all of whom were taking medication to control high blood pressure.

After discussing their general cellphone usage habits, all underwent two sets of multiple blood pressure readings, each set registering six readings at one-minute intervals. All the readings took place in a physician's office, where patients were left alone (in what the researchers described as a "comfortable" setting) after the first reading.

During one of the two readings, an investigator disabled caller ID and anonymously called each patient's cellphone three times, with a patient's response to at least one of the calls being deemed sufficient for testing purposes.

The result: By comparing readings taken with and without incoming calls, the team found that patients' systolic numbers (the top figure in a blood pressure reading, indicating blood pressure as the heart contracts) went up "significantly" whenever the patients answered their phones.

Patients who had indicated relatively heavy routine cellphone usage (30 or more calls per day), however, experienced a less steep rise in their systolic numbers during incoming calls. Since heavy users tended to be younger, the team theorized that a greater cellphone comfort level among younger patients may protect them from the cellphone dynamic.

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Cellphone Calls During Blood Pressure Readings May Skew Results

By Alan Mozes
HealthDay Reporter

WEDNESDAY, May 15 (HealthDay News) -- New Italian research offers some cautionary advice for patients with high blood pressure: The next time you take a blood pressure reading, turn off your cellphone.

The reason: Answering a cellphone call during a reading may cause a temporary but significant spike in blood pressure, rendering the results inaccurate and misleading.

"The cellular phone has burst into our everyday life, and is often an indispensable communication tool for business and social relations," said study author Dr. Giuseppe Crippa, head of the hypertension unit at Guglielmo da Saliceto Hospital in Piacenza, Italy. "[Now] we know that the radio-frequency field generated by mobile phones does not affect blood pressure, and should not increase blood pressure in subjects suffering from hypertension.

"But what is the effect of the noise generated by the phone ringing and of the intrusion into our life of an unscheduled phone conversation?" Crippa asked. "In our study, we have shown that blood pressure, particularly systolic blood pressure, increases quickly and significantly in this situation."

The study authors said one in three Americans (and 1 billion people worldwide) currently struggles with high blood pressure.

Those grappling with keeping their high blood pressure under control often are instructed to either come in for routine readings taken by a health care professional, or to use one of many at-home monitoring kits that give patients the option of taking their own readings on a regular basis.

To explore the question of how cellphones might affect such readings, the authors focused on 49 Italian women with an average age of 53, all of whom were taking medication to control high blood pressure.

After discussing their general cellphone usage habits, all underwent two sets of multiple blood pressure readings, each set registering six readings at one-minute intervals. All the readings took place in a physician's office, where patients were left alone (in what the researchers described as a "comfortable" setting) after the first reading.

During one of the two readings, an investigator disabled caller ID and anonymously called each patient's cellphone three times, with a patient's response to at least one of the calls being deemed sufficient for testing purposes.

The result: By comparing readings taken with and without incoming calls, the team found that patients' systolic numbers (the top figure in a blood pressure reading, indicating blood pressure as the heart contracts) went up "significantly" whenever the patients answered their phones.

Patients who had indicated relatively heavy routine cellphone usage (30 or more calls per day), however, experienced a less steep rise in their systolic numbers during incoming calls. Since heavy users tended to be younger, the team theorized that a greater cellphone comfort level among younger patients may protect them from the cellphone dynamic.

Incoming calls had no impact on patients' diastolic numbers (the bottom figure in a reading, indicating blood pressure while the heart is at rest), nor did patients' overall heart rates shift when the cellphone rang.

The team concluded that patients should be advised to turn off their cellphones whenever and wherever they have a blood pressure reading, to ensure accuracy.

"It is noteworthy that the great majority of the patients recruited for this survey were not used to turning off the mobile phone, even during a medical examination, and easily answered the calls even when an automated device was measuring blood pressure," Crippa said.

"Therefore, we believe that it is important to advise patients that the unnecessary and exaggerated use of cellphones can increase, at least temporarily, their blood pressure," he said.

Dr. Gary Schwartz, a professor of medicine at the Mayo Clinic College of Medicine in Rochester, Minn., said the issue is not the disturbance of a cellphone call, but rather any disturbance in general.

"I wouldn't look at this study and say cellphones are bad for you," Schwartz said. "But American Heart Association standards call for the need to be quiet, whether you're getting your blood pressure measured at a doctor's office or at home.

"Just engaging in conversation, whether or not it's on the phone, can raise the numbers and give an inaccurate reading," he said. "It's the same principle behind why we don't measure a person's blood pressure while they're playing tennis. What we want is for patients to be quiet and at rest."

Crippa and his colleagues are scheduled to present their findings Wednesday at the American Society of Hypertension annual meeting in San Francisco. Research presented at medical meetings should be viewed as preliminary until published in a peer-reviewed journal.

Copyright © 2013 HealthDay. All rights reserved. SOURCES: Giuseppe Crippa, M.D., head, hypertension unit, Guglielmo da Saliceto Hospital, Piacenza, Italy; Gary Schwartz, M.D., professor, medicine, Mayo Clinic College of Medicine, Rochester, Minn.; May 15, 2013, presentation, American Society of Hypertension annual meeting, San Francisco

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When should I expect results?

I started this process this week, after hitting an all time postpartum low of eating 20 cupcakes over the course of 24 hours... Weighing in around 156 pounds. I'm on day four after dieting and working out for a minimum of 10 minutes a day as well as exclusively breast feeding. By day 2 I was at 153.8 but now on day four it says I'm back at 156? The first few days I was so hungry I could hardly sleep at night so maybe I put myself in starvation mode? But yesterday I ate super close to my calorie Max and I weighed myself again today around 2 after working out and it says I'm back at 156? Should I be cutting more calories or is it just water weight? I'm lost... I can't cut to 1200 or anything like that because I'm nursing but even when I eat 2000 I still feel hungry all the time. Please help!

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Tackling Diet, Exercise Together Produces Best Results: Study

If you have to choose one at a time, hit the gym first, researchers add

By Robert Preidt

HealthDay Reporter

MONDAY, April 22 (HealthDay News) -- If you're trying to get healthy, tackling both diet and exercise is better than trying to improve one lifestyle habit at a time, new research suggests.

The researchers did add that if you need to start with just one lifestyle change, choose exercise. They found that changing diet first may interfere with attempts to establish a regular exercise routine.

The study included 200 people, aged 45 and older, who were inactive and had poor diets. They were split into four groups: new diet and exercise habits at the same time; diet changes first and starting exercise a few months later; starting exercise first and making diet changes a few months later; and no diet or exercise changes.

The groups received telephone coaching and were tracked for a year. Those who made diet and exercise changes at the same time were most likely to meet U.S. guidelines for exercise (150 minutes per week) and nutrition (5 to 9 servings of fruit and vegetables per day), and to keep calories from saturated fat at less than 10 percent of their total intake of calories.

The people who started with exercise first and diet changes a few months later also did a good job of meeting both the exercise and diet goals, but not quite as good as those who made exercise and diet changes at the same time, the Stanford University School of Medicine researchers said in a news release from Stanford.

The participants who made diet changes first and started exercise later did a good job of meeting the dietary goals but didn't meet their exercise targets. This may be because each type of change has unique characteristics, explained study author Abby King, a professor of health research and policy and of medicine.

"With dietary habits, you have no choice; you have to eat. You don't have to find extra time to eat because it's already in your schedule. So the focus is more on substituting the right kinds of food to eat," she said in the news release.

However, people with busy schedules may have difficulty finding time for exercise. King noted that even the people in the most successful group (diet and exercise changes at the same time) initially had trouble meeting their exercise goal, but did achieve it by the end of the study.

The study was published online April 21 in the journal Annals of Behavioral Medicine.

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Tackling Diet, Exercise Together Produces Best Results: Study

MONDAY, April 22 (HealthDay News) -- If you're trying to get healthy, tackling both diet and exercise is better than trying to improve one lifestyle habit at a time, new research suggests.

The researchers did add that if you need to start with just one lifestyle change, choose exercise. They found that changing diet first may interfere with attempts to establish a regular exercise routine.

The study included 200 people, aged 45 and older, who were inactive and had poor diets. They were split into four groups: new diet and exercise habits at the same time; diet changes first and starting exercise a few months later; starting exercise first and making diet changes a few months later; and no diet or exercise changes.

The groups received telephone coaching and were tracked for a year. Those who made diet and exercise changes at the same time were most likely to meet U.S. guidelines for exercise (150 minutes per week) and nutrition (5 to 9 servings of fruit and vegetables per day), and to keep calories from saturated fat at less than 10 percent of their total intake of calories.

The people who started with exercise first and diet changes a few months later also did a good job of meeting both the exercise and diet goals, but not quite as good as those who made exercise and diet changes at the same time, the Stanford University School of Medicine researchers said in a news release from Stanford.

The participants who made diet changes first and started exercise later did a good job of meeting the dietary goals but didn't meet their exercise targets. This may be because each type of change has unique characteristics, explained study author Abby King, a professor of health research and policy and of medicine.

"With dietary habits, you have no choice; you have to eat. You don't have to find extra time to eat because it's already in your schedule. So the focus is more on substituting the right kinds of food to eat," she said in the news release.

However, people with busy schedules may have difficulty finding time for exercise. King noted that even the people in the most successful group (diet and exercise changes at the same time) initially had trouble meeting their exercise goal, but did achieve it by the end of the study.

The study was published online April 21 in the journal Annals of Behavioral Medicine.

-- Robert Preidt
Copyright © 2013 HealthDay. All rights reserved. SOURCE: Stanford University, news release, April 21, 2013

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The More I exercise the more I stuff my face. (Therefore, no results.) Help!

See, I'm trying to lose a little weight, but I also want to get really healthy by getting in shape. My goal is to lose 3-6 pounds, which doesn't sound much to you all that have dropped like 50 pounds, however, I'm already fairly thin and don't want to drop drastic amounts of weight. Anyway, that's all beside my point. My point is, I've been doing the Insanity workout for a couple weeks now and it's going really well. It's pretty insane, but I already see my arms becoming stronger and my thighs becoming stronger etc. The only problem is, I haven't been losing any weight at all. If anything, I may have gained a couple pounds. The thing is, after an Insanity workout, my body craves food. So I eat a healthy regular sized meal of about 500 calories. But then, although I don't experience actual hunger pangs, my body just craves more food. And nothing satiates me, not even a good dose of protein. By the end of the night after an insanity workout I end up eating more than I probably burned doing the workout in the first place! It's not that I don't have will power- I lost a lot of weight last year and had no problem with will power. It's that my body honestly makes me feel like I need more food after completing a vigorous workout like Insanity.

Do you guys have any tips on limiting my body's craving for more and more and more food after a high-intensity workout? I know you need to replenish your body with a good meal, but after a meal I never feel satiated. What do you guys do to limit your post workout "cravings?"

Thanks for any advice.

Ps. This type of "craving" for more and more food never happened to me before I started working out with vigorously with Insanity.

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Cellphone Calls During Blood Pressure Readings May Skew Results

Interruption can cause spike in systolic pressure, study found

By Alan Mozes

HealthDay Reporter

WEDNESDAY, May 15 (HealthDay News) -- New Italian research offers some cautionary advice for patients with high blood pressure: The next time you take a blood pressure reading, turn off your cellphone.

The reason: Answering a cellphone call during a reading may cause a temporary but significant spike in blood pressure, rendering the results inaccurate and misleading.

"The cellular phone has burst into our everyday life, and is often an indispensable communication tool for business and social relations," said study author Dr. Giuseppe Crippa, head of the hypertension unit at Guglielmo da Saliceto Hospital in Piacenza, Italy. "[Now] we know that the radio-frequency field generated by mobile phones does not affect blood pressure, and should not increase blood pressure in subjects suffering from hypertension.

"But what is the effect of the noise generated by the phone ringing and of the intrusion into our life of an unscheduled phone conversation?" Crippa asked. "In our study, we have shown that blood pressure, particularly systolic blood pressure, increases quickly and significantly in this situation."

The study authors said one in three Americans (and 1 billion people worldwide) currently struggles with high blood pressure.

Those grappling with keeping their high blood pressure under control often are instructed to either come in for routine readings taken by a health care professional, or to use one of many at-home monitoring kits that give patients the option of taking their own readings on a regular basis.

To explore the question of how cellphones might affect such readings, the authors focused on 49 Italian women with an average age of 53, all of whom were taking medication to control high blood pressure.

After discussing their general cellphone usage habits, all underwent two sets of multiple blood pressure readings, each set registering six readings at one-minute intervals. All the readings took place in a physician's office, where patients were left alone (in what the researchers described as a "comfortable" setting) after the first reading.

During one of the two readings, an investigator disabled caller ID and anonymously called each patient's cellphone three times, with a patient's response to at least one of the calls being deemed sufficient for testing purposes.

The result: By comparing readings taken with and without incoming calls, the team found that patients' systolic numbers (the top figure in a blood pressure reading, indicating blood pressure as the heart contracts) went up "significantly" whenever the patients answered their phones.

Patients who had indicated relatively heavy routine cellphone usage (30 or more calls per day), however, experienced a less steep rise in their systolic numbers during incoming calls. Since heavy users tended to be younger, the team theorized that a greater cellphone comfort level among younger patients may protect them from the cellphone dynamic.

View the original article here

'Worried Well' Often Ignore Negative Test Results: Study

Title: 'Worried Well' Often Ignore Negative Test Results: Study
Category: Health News
Created: 2/26/2013 10:35:00 AM
Last Editorial Review: 2/26/2013 12:00:00 AM

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