Exam 2: care of pts with renal disorders and acute and chronic kidney problems Flashcards
Polycystic kidney disease genetics
Inherited disorder: fluid-filled cysts develop in nephrons
- Dominant
- Recessive
Polycystic kidney disease interventions
- Acute and chronic pain
- Constipation
- Infection
antibiotics - Hypertension
Ace inhibitors, CCB, Beta blockers
Low sodium diet
Treatment for renal failure
Acute Kidney Injury: RIFLE classification criteria: Risk-
- GFR Criteria: Increased creatinine x1.5 or GFR decrease > 25%
- Urine output criteria: UO < 0.5 mL/kg/hr x 6hrs
Acute Kidney Injury: RIFLE classification criteria: Injury-
- GFR criteria: Increased creatinine x2 or GFR decrease > 50%
- Urine output criteria: UO < 0.5 mL/kg/hr x 12hrs
Acute Kidney Injury: RIFLE classification criteria: Failure-
- GFR criteria: Increasedd creatinine x3 or GFR decrease > 75%
- Urine output criteria: UO < 0.3 mL/kg/hr x 24hr or Anuria x 12hrs
Acute Kidney Injury: RIFLE classification criteria: Loss-
Persistent Acute renal failure = complete loss of kidney function > 4 weeks
Acute Kidney Injury: RIFLE classification criteria: End stage Kidney disease
> 3 months
Phases of Acute kidney injury: Prerenal-
- Decrease in renal blood flow caused by decreased circulating volume secondary to dehydration, hypotension, decreased CO, embolism, sepsis.
- Prolonged hypotension
- Prolonged low cardiac output
- Prolonged volume depletion
- Renovascular thrombosis
Phases of Acute kidney injury: Intrarenal-
- Due to disturbances within the glomerulus or renal tubules
- Commonly called “Acute Tubular Necrosis”
- Actual nephron damage with decreased glomerular filtration.
- Kidney ischemia
- Endogenous toxins
- Exogenous toxins
- Infection
Phases of Acute kidney injury: Postrenal
Obstruction to urinary outflow from kidneys
- caused by obstructions such as Stenosis, Renal Calculi, Prostate disease, Bladder Obstruction or Infection.
Prerenal management
- Fluid bolus
- Monitor
- MAP
Medication - Consult
- Renal artery obstruction
- Renal toxins
Intrarenal management
- Fluid
- Monitor
- Dialysis
- Assess
- Medications
- Care & Comfort
Postrenal management
- Treat the cause
- Alleviate the obstruction
Chronic kidney injury: assessment/stages: Stage 1-
- At risk, normal kidney fxn, some structural or genetic trait point to kidney disease
- Estimated GFR: > 90 mL/min
Chronic kidney injury: assessment/stages: Stage 2-
- Mild CKD, reduced GFR
- Estimated GFR: 60-89 mL/min
Chronic kidney injury: assessment/stages: Stage 3-
- Moderate CKD
- Estimated GFR: 30-59 mL/min
Chronic kidney injury: assessment/stages: Stage 4-
- Severe CKD
- Estimated GFR: 15-29 mL/min
Chronic kidney injury: assessment/stages: Stage 5-
- End stage kidney disease
- Estimated GFR: < 15 mL/min
Hemodialysis assessment
- BUN > 90 mg/dl
- Serum creatinine > 9 mg/dl
- Hyperkalemia
- Metabolic acidosis
- Fluid overload (intravascular/extravascular)
- Uremia
- Pericarditis
- GI bleeding
- Mental changes
Hemodialysis Nursing care
- Collaborate with Dialysis nurse and MD regarding medications to be held during procedure
AV access devices - Verify subclavian VAS cath access with x-ray
- Monitor femoral access for excessive bleeding
AV access devices
- Assess patency:
- Palpate thrill
- Auscultate bruit
- Ensure hemostasis following needle withdrawal
- Apply firm pressure after needle withdrawn
- Monitor s/s infection
- Avoid taking BP or IV sticks in arm with fistula
Hemodialysis complications
- Hypotension
- Thrombus
- Infection
- Bleeding
- Skin erosion
- Vascular steal syndrome
- Disequilibrium Syndrome
- Hemodynamic Instability
- Hepatitis
Continuous renal replacement therapy (CRRT) types: Continuous venovenous hemofiltration (CVVH/CAVH)
- Rate: 500-800 ml/hr
Fluid replacement
- Pre and postdilution (calculating an hourly net loss)
- Method of solute removal: Convection
Indication
- Fluid removal, moderate solute removal
Continuous renal replacement therapy (CRRT) types: Continuous venovenous hemodialysis (CVVHD/CAVHD)
- Rate: 500-800 ml/hr
Fluid replacement
- Pre and Postdilution, (subtracting the dialysate & then calculating an hourly net loss)
Method of solute removal: Diffusion
Indication
- Fluid removal, maximum solute removal
Continuous renal replacement therapy (CRRT) types: Continuous venovenous hemodiafiltration (CVVHDF)
- Rate: 500-800 ml/hr
Fluid replacement
Pre and Postdilution, (subtracting the dialysate & then calculating an hourly net loss)
Method of solute removal: Convection & Diffusion
Indication:
- Maximum fluid removal
- Maximum solute removal