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okarol
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« on: March 03, 2008, 10:05:32 PM »

Poor BP control among kidney-disease patients

March 03, 2008       
Lisa Nainggolan

Chicago, IL - A new survey has found that although chronic kidney disease (CKD) patients have a high awareness of hypertension, just 13% of them had their blood pressure under control [1]. Dr Pantelis A Sarafidis (University of Chicago Pritzker School of Medicine, IL) and colleagues report their results online March 3, 2008 in the American Journal of Medicine.

"One of the most important findings of our study was that the people at the highest risk for progressing to end-stage renal disease—men, non-Hispanic blacks, and the obese—were the ones least likely to have their blood pressure at goal or controlled, even though they were generally seeing a physician and being treated. This indicates that we need to be much more aggressive with educational endeavors in these patients to ensure that they actively achieve their BP goals," senior author Dr George Bakris (University of Chicago Pritzker School of Medicine) told heartwire.

High blood pressure is a leading cause of kidney disease and hastens its progression to renal failure, Bakris explained. "It's unacceptable that barely 10% of people most at risk of kidney and cardiovascular problems have gotten their blood pressure under control."

80% of patients know they have hypertension

The researchers surveyed 10 813 people in the US National Kidney Foundation's (NKF) Kidney Early Evaluation Program (KEEP), a health-screening program for individuals at high risk for kidney disease.

The study is the first to provide data on the prevalence, awareness, and treatment of hypertension in a CKD cohort, Sarafidis et al note. They found that 86.2% of participants had hypertension, 80.2% were aware that they had hypertension, and 70% were being treated for hypertension. But blood-pressure control rates were low—at just 13.2% when the BP goal was <130/80 mm Hg.

Comparing these figures with a previous nationwide survey (the National Health and Nutrition Examination Survey), the prevalence, awareness, and treatment of hypertension in this cohort was comparable, but the blood-pressure control "was far worse," say Sarafidis et al.

One surprising finding, said Bakris, was the fact that "the more advanced the stage of kidney disease, the greater likelihood there was that people achieved BP control than those at earlier stages of renal disease." Patients with stage 4 to 5 kidney disease had a threefold higher blood-pressure control rate than those with stage 1.

"This is interesting," he says, "because you wouldn't predict that, as it's much easier to control blood pressure at earlier stages of kidney disease."

Smokers also had a higher likelihood of having blood pressure controlled, a finding that the researchers say is "unusual" but may be explained by the fact that this group had much lower rates of obesity.

Focus needs to be on blacks, males, and the obese

The other important finding relates to the subgroups of males, blacks, and the obese, Bakris says. Male gender was inversely associated with blood-pressure control (odds ratio 0.86), as was non-Hispanic black race (OR 0.76) and body-mass index of 30 kg/m2 or greater (OR 0.83).

      
   We need to focus more on blacks, males, and obese patients because they are at higher risk of progression in the first place.   
      
   

"Yet black males account for a very large percentage of people going on to end-stage kidney disease," he stresses, "so this is an observation that suggests we need to focus more on blacks, males, and obese patients, because they are at higher risk of progression in the first place. There is something missing in these subgroups that needs attention."

And although it is encouraging that a physician had diagnosed 80% of people surveyed with hypertension, Bakris said, it is not possible, from these data, to explain why blood pressure is not being adequately controlled.

"Cardiologists and other specialists, as well as primary-care physicians, need to be much more attentive to the level of kidney function," he adds, "and much more aggressive about trying to achieve BP goals and educating patients so that they understand why they have to take their medicine."

The NKF will offer free kidney screenings through KEEP in 40 cities across the US on World Kidney Day, on March 13, and throughout March, says Bakris, who is on the KEEP steering committee and is also a member of the NKF scientific advisory board.

http://www.theheart.org/article/846059.do
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Admin for IHateDialysis 2008 - 2014, retired.
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jbeany
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« Reply #1 on: March 04, 2008, 08:42:30 AM »

Well, duh.  At stage 5, you see a doc and get your bp checked on a tri-weekly basis at dialysis.  At stage 1, you are still in denial, and not seeing a doc unless you are forced to!
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« Reply #2 on: March 04, 2008, 11:25:04 AM »

There is increasing scientific debate about whether the causal role of hypertension in renal disease is being overestimated. Since the decline in renal function itself causes the blood pressure to rise, the association between hypertension and endstage renal failure may be partially an effect of renal failure and not just entirely a cause of it.
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okarol
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« Reply #3 on: March 04, 2008, 12:05:53 PM »

I have often wondered about that myself. We were told "High blood pressure damages kidneys; and failing kidneys cause high blood pressure."
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Admin for IHateDialysis 2008 - 2014, retired.
Jenna is our daughter, bad bladder damaged her kidneys.
Was on in-center hemodialysis 2003-2007.
7 yr transplant lost due to rejection.
She did PD Sept. 2013 - July 2017
Found a swap living donor using social media, friends, family.
New kidney in a paired donation swap July 26, 2017.
Her story ---> https://www.facebook.com/WantedKidneyDonor
Please watch her video: http://youtu.be/D9ZuVJ_s80Y
Living Donors Rock! http://www.livingdonorsonline.org -
News video: http://www.youtube.com/watch?v=J-7KvgQDWpU
Sunny
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Sunny

« Reply #4 on: March 05, 2008, 12:37:58 AM »

So which comes first: high blood pressure or kidney disease?
All I know, is that my blood pressure was perfect until I contracted kidney disease.
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Sunny, 49 year old female
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boxman55
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« Reply #5 on: March 05, 2008, 01:53:35 AM »

In my case, My high blood pressure and diabetes combined was the reason for my ESRD''''Boxman
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« Reply #6 on: March 05, 2008, 07:34:03 AM »

So which comes first: high blood pressure or kidney disease?
All I know, is that my blood pressure was perfect until I contracted kidney disease.

Reminds me of the old question, "Which came first -- the chicken or the egg?"

Like Sunny, my Marvin's BP was always perfect until his kidneys failed. He had to go on three different BP meds to get it under control once he started dialysis.   But, when he had his transplant, he came off all BP meds.  When he went back on dialysis, he went back on BP meds.  Since he's been doing home hemo (since last summer), he has once again come off all BP meds.


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