Cirrhosis Flashcards
Definition
Liver disease where liver cells become severely damaged and are replaced w/ fibrous tissue; major liver scarring
Etiology
- Viral infection: Hep C or B
- ETOH consumption
- Increased fat collection in liver: obesity, high cholesterol, diabetes
- Bile duct problems
- Autoimmune system
Role of liver
Metabolizes Detoxifies Digestion Storage Production
Liver metabolism
- Glucose: excessive amount in blood synthesized + stored as glycogen to lower blood sugar… Coverts glycogen to glucose to increase blood sugar
- Byproduct of lipids and protein breakdown is ammonia which the liver convers into urea to be excretes
Liver detoxification
Makes drugs (sedatives etc.) less harmful to body Removes toxins (ETOH) Helps remove hormones produced by gland - cirrhosis = decreased metabolism of estrogen = more in the body = gynecomastia, itchy, red palms, spider angiomas
Liver storage
Vitamins (B12, A, C, E, D & K) along w/ iron, glycogen
Liver digestion
Digestion
- hepatocytes produce bile which is bilirubin.
- kupper cells remove old RBCs and break down hemoglobin into heme and globin
- hepatocytes metabolize heme into iron and biliribin which is put into bile and leaves the body in stool = why stool has its color
Increased bilirubin in the blood = jaudice + clay colored stools
Liver production
Produce blood plasma proteins
- albumin: maintains oncotic pressure
- fibrinogen, prothrombin: clotting helpers
Liver production
Produce blood plasma proteins
- albumin: maintains oncotic pressure
- fibrinogen, prothrombin: clotting helpers
Complications
- Portal HTN; portal vein becomes narrowed due to scar tissue = restriction of blood to liver + increased pressure to connected organs
- Enlarged spleen (splenomegaly): spleen stores platelets and WBC which lowers their count
- Esophageal varices: increased pressure portal vein dilates vessels and weakens = rupture!. Life-threatening = lower platelets, lower vitamin K and low clotting factors!
• Fluid Volume Overload: legs + abdomen
“ascites” = risk for infection from gut bacteria = venous congestion + lower albumin
- Hepatic encephalopathy: unable to detoxify => amomonia + other toxins collect in the brain
- Renal Failure
Clinical manifestations
“THE LIVER IS SCARRED”
Tremors Hepatic foetor Eye + eye "yellowing" Loss of appetite Increased bilirubin + ammonia Varices Edema legs Reduced platelets + WBCs Itchy skin Spider angiomas Splenomegaly, stool - clayed colored Confusion Ascites Redness on palms Renal failure Enlarged breast in men Deficient on vit. B12, A, C, D, E, K
Nursing interventions
Glucose: monitor for hyper + hypoglycemia
Bleeding risk: monitor PT - limit invasive procedures, hold pressure 5 min or more @ injection site, soft tooth brushes, stool for blood
• Varices – risk for bleeding = watch for coughing, vomiting, alcohol consumption, constipation
Toxic buildup = Monitor VS, monitor mental status, monitor ammonia level, reflexes, jaundice
Nutrition: low protein diet if confused only. Give high lean protein, low sodium diet, no alcohol or raw seafood
Fluid volume overload: Strict Intake + Output, measuring abdominal girth, daily weights, turning q 2 hr. cause of risk for skin breakdown + risk for infection
No supine = difficulty breathing, activity intolerance
Management
Lung transplant, shunting surgery
Diuretics, beta blockers, nitrates
Blood products
Paracentesis - aspirate fluids off the abdomen