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chronic renal failure
sally's lecture
84
Nursing
Graduate
08/13/2011

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Cards

Term
CRF is progressive and ______ destruction of the _____ ______
Definition
IRREVERSIBLE,

bilateral nephrons
Term
GRF, ______ _____ _____, is the measurement of _____ ______. Specifically, it's the amount of _____ ____ through the _____ per/___
Definition
Glomerular filtration rate.

Measurement of kidney function. Specifically the amount of plasma filtered through the glomeruli per minute.
Term
Normal GFR is ____/min. Renal insufficiency occurs when the GFR is approximately ____ ml/min, where as ESRD is when the GFR is <____ml/min.
Definition
125

Renal insufficiency: 90 ml/min
ESRD: <30 ml/min.
Term
There are 5 stages of renal disease.
1: ____ kidney damage with _____ or _____ filtration. Greater than or equal to ___ml/min
2: _____ decrease in kidney function. __-___ ml/in
3: ______ decrease in kidney function. ___-___ml/min
4: _______ decrease in kidney function. ___-__ml min
5: _____ or _____. < ___ml/min
Definition
1: Slight. Greater than or equal to 90 ml/min
2: Mild. 60-89 ml/min
3: Moderate. 30-59 ml/min.
4: Severe. 15-29 ml/min.
5: Transplant or dialysis. , 15 ml/min
Term
When a person has diminished renal reserve, the serum levels are ____. The BUN is __-___, Cr is __-__. There symptoms are ___.
Definition
Serum levels are normal
BUN 10-20
Cr 0.5-1.2
Symptoms are absent
Term
Symptoms of kidney failure occur when the GFR is approximately ___, AKA _____ _____. The common symptoms are ____ and ____. As the disease progresses: h/a, ______, ______, ___uria and ___uria.

The BUN and Cr are ____. So the BUN is >___, but <___. Cr is >__.
Definition
Symptoms appear when GFR is aprx. 90ml/min. Renal insufficiency. Common symptoms are fatigue and weakness. As the disease progresses, H/A, nausea, pruritis, nocturia & polyuria (kidney's have lost their ability to concentrate urine.)
Term
ESRD, AKA _____ or ______ occurs when the GFR is <___ml/min. The BUN is ____-____. Cr Cl is <__-__ml/min.
Definition
ESRD aka uremia or azotemia occurs when the GFR <30ml/min
BUN is 100-200
Cr Cl <5-10ml/min
Term
The best indicator of CRF is increased ____ _____ and decreased ______ ______. _____ builds up in the blood, and will be >___.
Definition
The best indicator of CRF is increased serum creatinine and decreased Cr Cl. Creatinine builds up in the blood and is >2
Term
Leading cause of CRF in the US is ______&______
Definition
Diabetes and hypertension
Term
Uremia
Definition
Build up of urea and other junk (Cr, phenols, hormones, electrolytes, chemicals, etc) in the blood. Manifestation of CRF.
Term
Altered _______ metabolism is a clinical manifestation of CRF. The kidney's can't excrete the breakdown of _____ and the ___ becomes abnormally high, as a result, increased ____ levels occur. This ________ stimulates the ______ production of ______. Almost all patients with _____ develop ________, a risk factor for _____.
Definition
Altered carbohydrate metabolism.
Kidney's can't excrete breakdown of protein.
BS becomes abnormally high causing increased insulin.

Hyperlipidemia stimulates hepatic production of triglycerides. Almost all patients with uremia develop hyperlipidema, a risk factor for atherosclerosis.
Term
The most serious electrolyte imbalance that can occur with CRF is _______, due to decreased ______. S/S include cardiac _____, muscle ____, and cardiac _____. The ____ ___ _____ is one of the first signs!!
Definition
Hyperkalemia due to decreased excretion. S/S include cardiac arrhythmias, muscle weakness, cardiac arrest. Peak T wave is one of the first signs!!!
Term
Hypo_____ & hyper_____ (_____ relationship between ____ and ______). The low serum _____ levels triggers the _____ to secrete ________ hormone.

This would be present in a calcium level <___ and a phosphorous level > 4.5.
Definition
Hypocalcemia & hyperphosphatemia (inverse relationship between calcium and phosphorous)

Low serum calcium (kidney's fail to produce vitamin D), causes parathyroid gland to secrete parathyroid hormone.

Calcium <9 and phosphorous > 4.5
Term
Tap facial nerve to stimulate twitch due to ______: _______.

Arm twitching: _______
Definition
Hypocalcemia

Chovstek's sign


Arm twitching= Trousseau's sign.
Term
Normal serum sodium levels
Definition
136-145
Term
Acid base balance associated with CRF
Definition
Metabolic acidosis

PH <7.35
PaCO2: 35-45 (normal)
HCO3<22 (normal 22-26)
Term
With CRF, the kidney's produce less of the hormone erythropoieten, which stimulates the _____ to produce ____. This leads to _____.
Definition
Stimulates the bones to produce RBC's

Leads to Anemia
Term
Clotting with CRF
Definition
Increased bleeding due to uremia interfering with platelet aggrigation
Term
Infection in CRF
Definition
Increased infection due to changes in leukocyte and altered immune response
Term
Types of cancer found associated with CRF

(6)
Definition
Lung, breast, uterus, colon, prostate, skin
Term
The most common cardiovascular manifestation of CRF is ______, which makes sense due to _______.
Definition
Hypertension- atherosclerosis
Term
In addition to _____ edema, dyspnea, pneumonia, and a _____ cough, ________ respirations may be noted in CRF. These are _______, regular, _______ respirations)
Definition
Pulmonary edema, dyspnea, pneumonia, depressed cough, kussmaul's respirations. T
Term
GI manifestation of CRF: Inflammation, ____itis, ______ taste in the mouth, ______, nausea, GI ______, _____ ulcer, ____itis
Definition
Inflammation
Stomatitis
Metallica taste in the mouth
Anorexia
Nausea
GI bleeding
Peptic ulcer
Gastritis
Term
Neurological manifestations of CRF

Changes in ___ due to increased ____ ____ and altered _____

Fatigue, __/__, ___disturbances, ____ irritability, ______, confusion, ____, ______neuropathy, paresthesia, ____ weakness, muscle _____
Definition
Changes in LOC due to increased waste products, altered electrolytes

Fatigue, headace, sleep disturbances, lethargy, mescular irritability, seizures, confusion, coma, peripheral neuropathy, paresthesia, motor weakness, muscle twitching
Term
Skin color on a person with CRF may be _____/______/______

Or they may have _____ ____, a ____ color. In this condition, ______ _______ on the skin. It is seen when ____ levels are extremely high.

The skin may also have ____, ___itis, and there may be _____/______ due to increased bleeding. The skin may also be dry and _____.
Definition
Yellow/grey/bonze

Or they may have uremic frost, a silvery color seen when uremia crystallizes on the skin (sweating urea)

Pallor, pruritis, there may be ecchymosis and petechiae due to increased bleeding. Dry, scaly skin.
Term
Reproductive manifestations of CRF:
Definition
Infetility, decreased libido, amenorrhea
Term
Endocrine disorders associated with CRF
Definition
Thyroid abnormalities
Term
Normal Phosphate
Definition
2.7-4.5
Term
3 types of renal osteodystrophy
Definition
Osteomalacia, osteritis, fibrosa, matastatic calcification
Term
Osteomalacia
Definition
Bone gets soft
Term
Osteitis fibrosa
Definition
bone demineralization> porous bones due to the pulling out of calcium
Term
Metastatic calcification
Definition
Worst form of osteodystrophy.
Body isn't responding to PTH anymore. Calcium and phosphorous are pulled out of the bone into the bloodstream, causing calcification, depositing into blood vessels, joints, lungs, heart and eyes
Term
Conservative therapy includes ____, ______, and ____ care.

**_____ lifestyle will make kidneys last longer
Definition
Pharmacological
Nutritional
Supportive care

Helathy lifestyle
Term
Pharmacological therapy for hyperkalemia

IV ___% glucose/ ____ _____
IV ______ ______/______ ______ (inactivates K+)
______ bicarbonate: _____ K+ into the ____

Dietary restrictions: avoid _____

_____ enema or PO: exchanges ___ for ___ in the _____ and excess __ is expelled in the stool


______
Definition
IV: 50% glucose/regular insuline
IV: Calcium gluconate/calcium chloride (inactivates K+)

Sodium bicarbonate pushes K+ into the cell

Avoid high K+ foods

Kayexalate enema or po, exchanges Na for K ions and K is expelled in the stool


Dialysis
Term
Tx for hypertension
Definition
Sodium and fluid restriction

Antihypertensive meds: ACES, Angiotensin inhibitors, calcium channel blockers, central-acting agents (clonidine)
Term
those with renal osteodystorphy should be on _____ restriction (<_____mg/dl). This means avoiding ___-rich foods:
Definition
Phosphate intake rsetriction <1000ml/dl

Avoid phosphate rich foods: eggs, nuts, whole grains, meat, fish, poultry, milk&milk products
Term
Meds for osteodystrophy
Definition
Hyperphosphatemia and hypocalcemia are treated with meds that bind phosphorous in the gi tract. These meds enable excess phosphate to be extreted in the stool
Term
Renal osteodystrophy tx: eliminate the use of ____-based _____/_____
Definition
eliminate phosphorous-based laxatives/enemas
Term
Osteodystrophy med tx progression
Definition
Calcium-based phosphate binders to lower phosphate levels and increase calcium

Once phosphate is lowered, then calcium lelvel can increase with administration of Vit D & calcium

**Watch for hypercalcemia
Term
Examples of calcium-based phosphate binders
Definition
Oscal, tums, calcium acetate (Phoslo), renagel
Term
_____ and ______ are aluminum hydroxide gels/antacids. They're rarely used due to ____ problems and dementia
Definition
Amphogel and alu-cap

Bone problems and dementia
Term
Those with osteodystrophy should avoid the use of _____-containing antacids
Definition
magnesium
Term
All phosphorus-binding agents must be administered with ______ to be _____
Definition
with food to be effective
Term
_____ and _____ are given for osteodystrophy to prevent hyperparathyroidism, to prevent _____ from being released from the bone
Definition
Calcitrol (Rocaltrol)
Paricalcitrol (Zemplar)

Prevents calcium from being released from the bone
Term
If renal osteodystrophy remains severe:
Definition
Subtotal/total parathyroidectomy
Term
Hemiatinic meds increase ________. These are _____ ___ (____), ferrous ______ (______), and folic acid. These should NEVER be given at the same time as ______ _____.
Definition
increase hemoglobin

ferrous sulfate (Feosol)
ferrous fumarate (Chromagen)
folic acid

never given at the same time as phosphate binders (os-cal, tums, phoslo)
Term
_____ is used to estimate renal function to adjust dosages of medications. If only serum creatinine is available, use ____ to _____ Crcl
Definition
CrCl

Use calculation to estimate CrCl
Term
Protein restriction with CRF
Definition
Go low Pro
Term
CRF needs to restrict sodium as well as ______
Definition
potassium
Term
Patient's with CRF should be on ____ products, or _____ acid supplements. They need to be taken ______, NOT _____ meals. They CANNOT take _____.
Definition
nepro products, keto acid supplements (essential amino acids). Specific for CRF. Take BETWEEN, NOT WITH MEALS. Cannot take ensure or other "normal" people supplements.
Term
Water intake depends on ___ ____. Intake should be +____-_____ml.
Definition
urine output. intake should be +500-600ml output.

(output 500, fluid restriction is 1,000)
Term
High sodium foods to avoid
Definition
Cured meats, pickled foods, canned soups, cold cuts, soy sauce, salad dressings, salt substitutes (contains k+)
Term
High potassium foods to avoid
Definition
Dried fruits, legumes, oranges, banans, melons, strawberries, deep green & yellow veggies, beans and peas
Term
3 renal replacement therapies
Definition
Peritoneal dialysis
Hemodialysis
Continuous renal replacement therapy
Term
3 general principals of dialysis
Definition
Diffusion, osmosis, ultrafiltration
Term
Diffusion
Definition
movement of solutes from an area of greater to lesser
Term
Osmosis
Definition
Movement of fluid to an area of lesser to greater concentration of solutes
Term
Ultrafiltration
Definition
Solution moves by pressure gradient
Term
Hemodialysis works based on the principal of
Definition
ultrafiltration
Term
Peritoneal dialysis utilizes these general principals of dialysis: ____ and ____.
Definition
Diffusion and osmosis
Term
Dialysis is started when the patient's _____ state can no longer be managed conservatively. It is used to correct ____ and ____ imbalances and remove ____ products in renal failure
Definition
Uremic

Correct fluid and electrolyte imbalances and remove waste products
Term
PD consists of an _____ _____ catheter such as _____ _____, the _____ which pulls waste products/urea out of the body and an ____ ____ _____ to perform the procedure
Definition
indwelling peritoneal catheter like a Tenckhoff Catheter

Diasylate: pulls wasted products/urea from the body

Administration set to perform the procedure
Term
Because risk for infection is a big problem with PD _____ _____ care is important. _______ using sterile technique, change ____ _____, and examine the site for ___ of _____
Definition
Daily catheter care: cleanse using sterile technique, change the DSD daily, examine site for signs and symptoms of infection
Term
____ is the dialysis solution. It is a _____ dextrose concentration (not always, depends on the nephrologist. The ____ the concentration, the ____ the osmotic effect and ____ water is removed. The diasylate may be ___%, __%, ___%

It is usually ______
Definition
Diasylate, hypertonic dextrose concentration

Higher dextrose concentration, greater osmotic effect, more water is removed

1.5%, 2.5%, 4.5%
Term
The three phases of the dialysis cycle

1: ___ (___,___)

2: ____ (___min-__hrs)

3: _____ (__-___ min)

The completion of all three phases is called ______.
Definition
1. Influx (fill, inflow)

2. Dwell (20 min- 8 hrs)

3. Drain (15-30 minutes)

Completion: Exchange
Term
Best method to avoid peritonitis
Definition
Sterile technique!!!
Term
Indications for PD:
Definition
Motivated, support system, able to perform at home, unable to have hemodyalisis, waiting for kidney transplant
Term
PD contraindications
Definition
Multiple abdominal surgeries, diverticulitis, abdominal hernias, obesity, back problems (can't handle the influx of fluid), COPD (fluid puts pressure on diaphragm)
Term
Deep breathing is important during PD to prevent _____
Definition
atelectasis
Term
Who has more dietary restrictions, someone on dialysis or not?
Definition
The person who has CRF and is not on dialysis has more dietary restrictions
Term
Hemodyalisis treatments last __-__ hours.
Definition
3-6 hours, very time consuming
Term
HD uses circulating _____ ____ through a ______ _____ that is surrounded by diasylate solution, which, is in a machine (____ ____).
Definition
Client's blood through a semipermeable membrane that is surrounded by a diasylate solution, which is in an artificial kidney.
Term
___ are rarely used for HD anymore, can be used as ____ access. ____ implanted in ____ ___ and into ____ ___. Forms a ___-shape rubber tubing that's ___/
Definition
Shunts
Temporary access
Cannula implanted into radial artery & into adjacent vein, forms u-shaped rubber tubing that's external
Term
Most common vascular access site

RN should check for ___&___

No ___, __'s or ___ draws on affected extremity and no ___ ___. Complications include ____, ____, ____
Definition
Internal arteriovenous fistuals and grafts

Check for bruit & thrill

No BP's, IV's or blood draws on the affected extremity, no constrictive clothing either

Complications include thrombosis, aneurysm, infection
Term
Palpate for ____, auscultate for ____
Definition
Thrill

Bruit
Term
A dialyzer is a cartridge that contains thousands of ___ and ___, which are the ____ ____. Blood is pumped into the ____ of the cartridge and ____ to all the fibers. _____ is pumped into the cartridge and bathes the outside of the fibers. _____ takes place.
Definition
Thousands of tubes and fibers, which are semipermeable. Blood is pumped into the top of the cartridge and dispersed to all the fibers. Dialysate is pumped into the cartridge and bathes the outside of the fibers with dialysis fluid. Exchange takes place.
Term
A patient receiving their first treatment of dialysis experiences N/V, confusion, restlessness, H/A, twitching, jerking, seizures, muscle cramps, hypotension.

What might be going on and what is the underlying physiology?
Definition
Disequilibrium syndrome.

Urea, Na & other solutes are removed from teh blood more rapidly than the CSF/brain. This causes and osmotic gradient in the brain resulting in shift of fluid into the brain.


Disequilibrium syndrome
Term
Goal of dialysis
Definition
Volume and electrolyte balance

BUN less than 100 (40-80)
Cr less than 8
Term
Pt with CRF who is already fluid overloaded may be a candidate for _____ ____ ____ ____, which removes solutes and fluids more slowly and continuously.
Definition
Continuous Renal Replacement Therapy
Term
_____ disease, ____ _____, severe ____ ____, chronic ____ _____, extensive ______ disease, chronic ____ are considered high risk for renal transplant
Definition
cardiovascular disease, DM, severe cardiac failure, chronic respiratory failure, extensive vascular disease, chronic infections
Term
Urine output following transplant may be as high as ___/hr. Fluid replacement should be ____ urine output. Sudden ______ in urine output warrants concern. Average length of stay in hospital is ___ days. ____ ____ may have a delayed function.
Definition
1/L hr.

Fluid replacement should equal output.

Sudden decrease in urine output warrens concern
Term
Immunosuppressive agents given to prevent rejection
Definition
Cyclosporine, cellcept, antithymocote globulin
Term
The most common complications following transplant occurs during the _____ phase, __ days to ___months after surgery. S/S are increased ___ and ___, high __, fever, weight ___, ____ urine output, tenderness over ___ ____. These episodes can be _____ with additional _______ _______.
Definition
Acute phase 4 days to 4 months

s/S increased BUN and Cr, BP, fever, weight gain, decreased UO, tenderness over transplanted kidney. Episodes can be reversed with additional immunosuppressive therapy.
Term
____ rejection occurs over months to years after a kidneys transplant. The prognosis is poor.
Definition
Chronic rejection
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