Episode Transcript
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Nicolette (00:01):
Welcome to the Health
Pulse, your go-to source for
quick, actionable insights onhealth, wellness and diagnostics
.
Whether you're looking tooptimize your well-being or stay
informed about the latest inmedical testing, we've got you
covered.
Join us as we break down keyhealth topics in just minutes.
Let's dive in.
Rachel (00:26):
Welcome to the Deep Dive
.
We sort through the sources togive you the clearest takeaways
on topics that really matter.
Mark (00:32):
Glad to be here.
Rachel (00:33):
So today we're digging
into something pretty startling,
actually A health issue that'sincredibly common but well often
invisible.
Our sources, including CDC data, show that one in seven adults
in the US has chronic kidneydisease.
One in seven.
Mark (00:50):
Yeah, it's a huge number.
Rachel (00:52):
And the craziest part,
most don't even know it.
When I first read that, itreally it stopped me in my
tracks.
Mark (00:58):
It makes sense why they
call it a silent disease.
Rachel (01:00):
Exactly.
How does something thatwidespread just fly under the
radar?
Mark (01:05):
Well, that's what we need
to unpack.
Rachel (01:06):
Right.
So our mission today is tounravel this.
What exactly is chronic kidneydisease, or CKD?
Why is it so hidden?
Mark (01:15):
What causes it?
The warning signs or the lackthereof?
Rachel (01:19):
Precisely and most
importantly, how can you empower
yourself?
We want to talk about earlydetection management.
Mark (01:25):
Consider this your
shortcut to understanding a
really critical health issue andthat silent part you mentioned,
that's the real danger, isn'tit?
Rachel (01:33):
It seems so.
Mark (01:33):
We're talking about a
progressive condition.
Your kidneys, they slowly,almost sneakily, lose function
over time.
Slowly, and the insidious partis in those early stages you
often feel completely fine, noobvious symptoms.
Rachel (01:48):
So people are just
walking around undiagnosed.
Mark (01:50):
Exactly Until significant
damage, sometimes unfortunately
irreversible damage, has alreadyhappened.
Rachel (01:56):
Wow, that really raises
the stakes for finding it early.
Mark (02:00):
It's absolutely critical.
Catching CKD early isn't just,you know, a good idea.
It's vital for slowing it down.
Rachel (02:06):
Slowing it down and
avoiding the really serious
stuff.
Mark (02:09):
Right Things like kidney
failure, needing dialysis or
even severe cardiovasculardisease.
Ckd and heart problems often gohand in hand.
Rachel (02:16):
Okay, so let's unpack
this properly.
We hear kidneys, but maybe weforget how well, how much they
actually do.
Mark (02:23):
They're real powerhouses.
Unsung heroes definitely, butwhat?
Rachel (02:26):
are they doing in there?
Our sources remind us they'relike ah, the body's master
filtration system.
Mark (02:30):
That's a great way to put
it.
They filter waste toxins fromyour blood constantly.
Rachel (02:35):
And regulate fluids,
electrolytes, making sure sodium
, potassium, all that stuff isbalanced.
Mark (02:41):
Perfectly balanced and
more.
They produce hormones too.
Hormones For what?
For controlling blood pressureand, really importantly, for
making red blood cells that'skey for your energy levels.
Rachel (02:53):
Okay, so vital functions
.
When we talk CKD, then we meana gradual, irreversible loss of
that function.
Mark (03:00):
Exactly.
It happens over time and whenthose filters start to fail.
Rachel (03:04):
Waste builds up, fluids
build up.
Mark (03:05):
Yes, and that affects
nearly every organ system in
your body.
It's not just a kidney issue,it becomes systemic.
Rachel (03:10):
A systemic crisis Just
waiting, ok, and you mentioned
stages.
How do they track theprogression?
Mark (03:16):
It's based on something
called the EGFR Estimated
Glomerular Filtration Rate.
Rachel (03:20):
EGFR like a speed check
for the kidneys how well they're
filtering Precisely.
Mark (03:25):
A normal EGFR is generally
above 90.
Rachel (03:27):
And the stages show how
far it's dropped.
Mark (03:29):
Right Stages one and two.
That's mild kidney damage.
Your EGFR might still be prettygood, maybe slightly reduced.
Rachel (03:35):
And crucially.
Mark (03:36):
Zero symptoms.
Usually you feel totally fine.
Rachel (03:39):
Then stage three.
Mark (03:40):
That's a moderate
reduction.
Egfr is noticeably lower, saybetween 30 and 59.
Stage four gets worse Severereduction.
Egfr is noticeably lower, saybetween 30 and 59.
Stage four gets worse, severereduction EGFR between 15 and 29
.
And stage five, that'send-stage renal disease, esrd,
egfr below 15.
And that's typically whendialysis or a transplant becomes
(04:00):
necessary.
And the key thing again is thatin those early, even moderate
stages, you feel fine, yourbody's losing its filtering
ability, but there are no alarmbells ringing.
So without testing, it's almostimpossible to know that damage
is happening under the surface.
Rachel (04:15):
That's really deceptive,
mimicking everyday things until
it's serious.
So what drives this?
What causes CKD to startsilently progressing?
Mark (04:23):
Well, what's fascinating
and also worrying is that it's
often driven by other healthconditions, really common ones.
Okay, the sources consistentlypoint to two main culprits.
These account for most casesand they are the first and the
leading cause worldwide isdiabetes.
Rachel (04:36):
Diabetes.
How does that damage thekidneys?
High blood sugar Huh.
Mark (04:39):
Over time it damages those
tiny, delicate blood vessels
inside the kidneys.
Yeah, Like constantly itdamages those tiny, delicate
blood vessels inside the kidneys, like constantly scouring them.
Rachel (04:46):
Reducing their filtering
ability.
Mark (04:47):
Severely the second major
driver high blood pressure
hypertension.
Rachel (04:52):
Okay, makes sense.
Pressure damaging the vessels.
Mark (04:54):
Exactly.
Constant high pressure justwears down those kidney filters.
Rachel (04:58):
Are there other risk
factors besides those two big
ones?
Mark (05:01):
Oh, definitely there's a
strong link with cardiovascular
disease.
It's a two-way street.
Rachel (05:06):
Heart problems affect
kidneys and kidney problems
affect the heart.
Mark (05:09):
Precisely no-transcript.
Obesity and metabolic syndromeare also big factors, mainly
because they contribute todiabetes and high blood pressure
.
Rachel (05:19):
Right, what else?
Mark (05:20):
Smoking that directly
damages blood vessels everywhere
, including the kidneys, andincreases heart risk too.
Rachel (05:26):
Family history?
Does genetics play a role?
Mark (05:28):
Yes, a family history
means you might have a genetic
predisposition Higher risk if aclose relative has it.
Rachel (05:35):
And age.
Mark (05:36):
Age is a factor too.
Kidney function does naturallydecline a bit as we get older.
Rachel (05:40):
So because all these
risk factors diabetes, high
blood pressure, obesity are socommon.
Mark (05:45):
Millions of people could
be developing CKD right now
without a clue.
It's like a ticking clock untiltesting reveals it.
Rachel (05:52):
That interconnectedness
is key.
So if the risks are common andit's silent, how do you get a
hint something's wrong?
Mark (05:59):
Yeah, that's the million
dollar question, isn't it?
And it's frustrating because,like we said, stages one and two
usually nothing.
Rachel (06:06):
Symptoms only show up
later stage, three or beyond.
Mark (06:09):
Generally yes.
When signs do finally appear,they're often quite subtle,
easily mistaken for other things.
Rachel (06:15):
Like what.
Give us some examples.
Mark (06:17):
Well, fatigue, not just
tired, but real low energy,
often from toxin buildup andmaybe anemia.
Rachel (06:24):
Anemia because the
kidneys aren't making that
hormone Exactly.
Mark (06:27):
Erythropoietin.
You might also notice swellingedema in your legs, ankles,
maybe around your eyes.
That's fluid retention.
Rachel (06:34):
Okay, anything else.
Mark (06:36):
Sometimes foamy or bubbly
urine.
That could be a sign of proteinleaking out like a little
warning flag.
Rachel (06:41):
What about urination
itself?
Mark (06:43):
Yeah, Frequent urination,
especially having to get up at
night.
In Octuria that can happen asthe kidneys struggle.
Rachel (06:47):
And blood pressure.
Mark (06:49):
High blood pressure is
tricky.
It can be both a cause and aresult of CKD, that vicious
cycle again.
Rachel (06:57):
Anything mental.
Mark (07:00):
Some people report
difficulty concentrating or kind
of a brain fog, maybe fromelectrolyte imbalances or toxins
.
Rachel (07:05):
And later stages might
bring.
Mark (07:07):
Much later, things like
loss of appetite, feeling
nauseous, muscle cramps, usuallywhen things are quite advanced.
Rachel (07:14):
But the kicker is all
these things fatigue swelling,
brain fog, they overlap with somany other conditions.
Mark (07:20):
Totally Stress getting
older, not sleeping well.
It's easy to brush them off orblame something else.
Rachel (07:26):
Which brings us back to
testing.
Mark (07:28):
It's the only reliable way
.
Lab testing is the only way tocatch CKD early, before the
damage is irreversible andharder to manage.
Rachel (07:35):
OK, so we know the
threat, the drivers, the sneaky
symptoms.
But there's hope, right, thereare things we can do.
Mark (07:40):
Absolutely, and connecting
this to the bigger picture.
While meds are vital, diet andlifestyle are just as critical,
maybe even more so, day to day,how so.
Small, consistent changes cangenuinely reduce the strain on
your kidneys, protect them longterm.
It's about taking control daily.
Rachel (07:57):
So let's talk nutrition
for kidney health.
What's key?
Mark (08:00):
First limit, sodium, big
one, and it's not just the salt
shaker.
Rachel (08:05):
Hidden salt in processed
foods.
Mark (08:07):
Exactly, they're loaded.
Too much sodium worsens fluidretention, raises blood pressure
, more kidney stress.
Rachel (08:14):
What about protein?
Mark (08:15):
Balanced protein intake.
Now in advanced CKD too muchprotein can be hard on the
kidneys, so moderation, butdefinitely under medical
guidance.
It's not a DIY diet.
Rachel (08:25):
Okay, and for diabetics.
Mark (08:26):
Controlling blood sugar is
probably the single most
powerful thing you can do toprotect your kidneys.
Every bit helps.
Rachel (08:32):
Hydration Drink lots of
water.
Mark (08:34):
Generally, yes, staying
hydrated supports filtration,
but it's important to note inlater CKD stages sometimes fluid
needs to be restricted.
Again, doctor's orders arecrucial.
Rachel (08:45):
And things to avoid.
Mark (08:46):
Definitely avoid things
known to be nephrotoxic, harmful
to kidneys, like overusingNSAIDs adipoprofen, naproxen and
be careful with herbalsupplements.
Always check with your doctor.
Rachel (08:55):
Makes sense.
What about broader lifestylechanges?
Mark (08:58):
Maintain a healthy weight
that reduces the burden of
diabetes and hypertension,taking pressure off the kidneys.
Rachel (09:03):
Smoking.
Mark (09:04):
Quit smoking, no question.
It damages blood vessels,speeds up kidney and heart
damage.
Huge impact if you quitExercise.
Regular exercise is great Goodfor heart health.
Blood pressure which benefitsthe kidneys.
Rachel (09:16):
Anything else, stress
Sleep.
Mark (09:18):
Yes, manage stress and get
enough sleep.
Both affect hormones, bloodpressure.
It's all connected and supportskidney function indirectly.
Rachel (09:27):
So combining these
habits with the medical side.
Mark (09:37):
You can often
significantly slow, sometimes
even halt CKD progression itreally protects your quality of
life.
Rachel (09:39):
It's a partnership.
That partnership idea ispowerful.
Okay, let's switch to themedical toolkit.
What are doctors actually doingonce CKD is diagnosed?
Mark (09:46):
Right.
The focus is on a few keythings Slowing the disease down,
managing the complications andcritically reducing
cardiovascular risk.
Rachel (09:53):
Because that's the
leading cause of death in CKD
patients.
Mark (09:56):
Surprisingly yes.
So a major focus is bloodpressure control.
The goal is usually under30-30-80.
Rachel (10:02):
And specific meds help
here.
Mark (10:03):
Yes, especially ACE
inhibitors, ACI and ARBs
angiotensin receptor blockers.
Rachel (10:09):
What's special about
them for kidneys?
Mark (10:14):
They don't just lower
blood pressure, they actually
protect the kidneys directly byreducing protein leakage into
the urine.
That's a big deal.
Rachel (10:18):
Okay, and for diabetes
management, besides tight sugar
control.
Mark (10:22):
This is where there's been
exciting progress Newer drugs
like SGLT2 inhibitors.
Rachel (10:27):
What do they do?
Mark (10:27):
They help your kidneys get
rid of excess sugar through
urine.
But the amazing part is theyalso directly protect the
kidneys, easing pressure on thefilters.
It's kidney protection beyondjust sugar control.
Rachel (10:40):
Wow, that sounds
significant.
Mark (10:41):
It is, and another class
GLP-1 receptor agonists used for
diabetes and weight loss arealso showing promise for kidney
protection in studies.
Rachel (10:50):
So research is moving
fast.
What about that protein leakage, proteinuria?
Mark (10:54):
Still a key target.
Again.
Ace inhibitors and ARBs are themainstays for reducing that.
Rachel (10:59):
And managing the
complications you mentioned
anemia.
Mark (11:02):
Right.
Damaged kidneys make lessererythropoietin, leading to
anemia.
We treat it with iron or drugsthat actually stimulate your
bone marrow to make more redblood cells Helps fight fatigue.
Rachel (11:12):
What about bone problems
?
Mark (11:13):
Yes, mineral and bone
disorders.
Kidneys balance calciumphosphate.
When they fail, bones canweaken, fracture risk goes up
and it even adds to heart risk.
It's complex.
So the overall trend inmedicine is Definitely a big
shift towards early detectionand intervention, catching it
early, long before dialysis ortransplant is even on the
horizon.
Rachel (11:33):
That early detection
sounds crucial, but if it's
silent, how do we actually dothat?
How do we get ahead of it?
Mark (11:39):
Yeah, that's the practical
question, isn't it?
Since CKD often highs, the onlyreliable way is regular lab
testing.
Rachel (11:45):
Just getting checked
Exactly, finding it early, lets
you and your doctor intervene,slow things down, maybe give you
years, even decades morehealthy kidney function.
So what specific tests shouldpeople be asking about,
especially if they have risk?
Mark (11:59):
factors.
Okay, the key ones.
First serum, creatinine andEGFR.
Creatinine is that wasteproduct.
Egfr estimates your overallfunction using creatinine.
Age sex race it's that kidneyspeedometer.
Rachel (12:11):
Right.
What else is critical?
Mark (12:12):
The urine albumin to
creatinine ratio, or UACR.
This one's vital Checks fortiny amounts of protein albumin
in the urine.
Rachel (12:20):
And that shows up early.
Mark (12:21):
Often, yes, it's an early
sign of kidney damage, sometimes
even before the EGFR drops.
Very important test.
Okay, other tests we also lookat blood urea, nitrogen, bun
another waste product filtercheck and electrolytes, sodium,
potassium, calcium, phosphate,to spot imbalances.
Rachel (12:40):
Any newer tests.
Mark (12:42):
Sometimes cystatin C is
used, it could be a more
sensitive marker for earlychanges in some people
potentially catching things.
Creatinine misses.
Rachel (12:49):
And getting these tests
is becoming easier.
Mark (12:52):
It seems so.
The source mentioned an examplein Miami services like QuickLab
Mobile bringing the lab to you,making it more convenient,
removing barriers to gettingtested.
Rachel (13:01):
That's great Technology
helping us be proactive.
Okay, let's bring this alltogether.
The core message seems crystalclear.
Chronic kidney disease is aserious silent threat.
It often progresses without younoticing until significant
damage is done.
Most people have no symptomsearly on.
Mark (13:17):
That's the hard truth.
Rachel (13:18):
But and this is the
hopeful part with early testing,
with timely intervention, youcan fight back, you can slow it
down, protect your kidneys,prevent those severe
complications like heart diseaseor needing dialysis.
Mark (13:29):
Absolutely.
Knowledge is power here.
Rachel (13:31):
Managing blood pressure,
blood sugar, adopting that
kidney-friendly lifestyle allhugely important, but step one
Know your numbers.
Know your numbers.
Regular checks on creatinine,egfr and especially that urine
protein test, uacr.
They can reveal CKD when it'smost treatable.
Mark (13:49):
Talk to your doctor.
Yeah, understand your personalrisk factors.
Rachel (13:52):
Ask for these tests Be
proactive.
Mark (13:54):
Definitely.
And you know what's fascinatinghere, extending this idea, the
lesson from CKD, this silentdisease, it makes you wonder how
many other chronic conditionsmight be quietly progressing
inside us without obvious signs.
Rachel (14:08):
That's a sobering
thought, right.
Mark (14:09):
What other silent diseases
might we be living with?
And maybe the bigger questionis how can we apply the lesson
of proactive testing, vigilantmonitoring, to our overall
well-being?
Rachel (14:20):
It really shifts the
perspective, doesn't it, from
just reacting to illness.
Mark (14:24):
To proactively seeking
knowledge about your own health,
taking control before problemsbecome crises Something for all
of us to think about.
Nicolette (14:35):
Thanks for tuning
into the Health Pulse.
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