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Gastroenterology > Liver Cirrhosis > Flashcards

Liver Cirrhosis Flashcards

(71 cards)

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1
Q

What is the primary cause of cirrhosis in the Western countries?

A

Alcoholism

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2
Q

What care the three common genetic diseases that can cause cirrhosis?

A

Hemochromatosis, Wilson’s Dz (Copper Overload), Alpha 1 Antitrypsin Deficiency

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3
Q

What is the second most cause of cirrhosis in the Western countries?

A

Metabolic Dz

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4
Q

Other causes of Cirrhosis

A

Hepatitis B and C, Auto-immune Hepatitis, and Sarcoidosis, Drugs, Toxins, Cryptogenic, Biliary Dz, Venous Outflow Obstruction (very uncommon)

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5
Q

Ongoing ________ results in ongoing liver injury and progression of fibrosis with eventual progression to cirrhosis.

A

Inflammation

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6
Q

Liver dz characterized pathologically by loss of the normal microscopic lobular architecture with fibrosis and nodular regeneration.

A

Cirrhosis

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7
Q

I’m looking at a smooth maroon liver in surgery, before doing a histology slide of the cells, what would you think about this liver? What would you expect on a histology slide?

A

Normal Liver, it will look pretty convoluted and meshlike/brainlike

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8
Q

I’m looking at a nodular discolored liver in surgery, before doing a histology slide of the cells, what would you think about this liver? What would you expect on a histology slide?

A

Cirrhotic Liver; You will see large spots with surrounding discoloration, etc.

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9
Q

The type of cirrhosis that is associated with NO signs or symptoms of liver dz

A

Compensated

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10
Q

The type of cirrhosis that is associated with complications/symptoms/signs.

A

Decompensated

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11
Q

When looking at a liver on a CT, noting some scarring and a more “white” image, would indicate?

A

Cirrhosis of the liver causing change in architecture. When compared to normal, this looks shrunken.

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12
Q

Patient with yellow skin, what do you think?

A

JAUNDICE

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13
Q

Patient with yellowing of the eyes is a condition indicative of jaundice is termed?

A

Icteric Sclerae

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14
Q

When the liver is affected, what can happen in male individuals?

A

Gynecomastia

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15
Q

A common finding in patients with liver dz/cirrhosis that is seen as a redness of the hands/palms

A

Palmar Erythema

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16
Q

A common finding in patients with liver dz/cirrhosis that is seen as a localized redness with small vessels.

A

Spider Angioma

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17
Q

A common finding in patients with liver dz/cirrhosis that is seen as an enlarged preauricular “mass.”

A

Parotid Enlargement

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18
Q

A common finding in patients with liver dz/cirrhosis that is seen as a torturous elevated vein of the skin termed

A

Caput Medusa

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19
Q

Define Ascites

A

Swelling of the abdomen where you can note a severe difference of tympany and dullness when percussing. Dullness would be over the “fluid” portion.

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20
Q

Complications of Cirrhosis (8)

A
  1. Portal HTN
  2. Varices and Variceal Bleeding
  3. Hyponatremia
  4. Ascites
  5. Hepatic Encephalopathy
  6. Hepatorenal Syndrome
  7. Hepatopulmonary Syndrome
  8. Hepatocellular Cancer
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21
Q

The portal venous system begins and ends in the ____________.

A

Capillaries

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22
Q

What creates the portal vein?

A

Splenic vein, Superior mesenteric vein, and inferior mesenteric vein.

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23
Q

What is the NORMAL portal vein pressure?

A

5-6 mm Hg

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24
Q

Normal hepatic sinusoids have ______ resistance to flow

A

Low

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25
Cirrhotic liver will _______ resistance, making the pressure ______. This pressure change is what causes _________________ to occur.
Create; high; Portal HTN
26
When is portal HTN "clinically significant"
10+ mm Hg
27
Dilated collateral veins in the portal-systemic circulation, commonly in the gastric or esophageal veins.
Varices
28
When do varices start developing? When do these varices cause bleeding?
10+ mm Hg; 12+ mm Hg
29
Clinical presentation of varices due to portal HTN (since they are internal)
Hematemesis, Hematochezia or melena (usually acute)
30
Mortality rates from the first bleeding of esophageal varices is about? (Bleeding risk increases about 4% every year in pts with cirrhosis)
25-50% HIGH!!!
31
What is the likelihood of recurrence in esophageal varices rupture without treatment
70%
32
If a patient is at high risk for bleeding, what test can you do?
Endoscopy
33
Varices develop at a rate of
4-12% per year
34
What is the best way to prevent bleeding?!
Primary prohylaxis!! The goal is to reduce the portal pressure to less than 12 mm Hg. (Treat underlying cause)
35
What can you give to reduce the portal pressures?
Non-selective Beta Blocker (nadolol, propanolol)! Target HR of 50-60 BPM, decrease HR by 25% of baseline
36
It is a procedure in which an enlarged vein or a varix (the plural is varices) in the esophagus is tied off or ligated by a rubber band delivered via an endoscope.
Endoscopic Variceal Ligation
37
Disadvantage of the EVL
Doesn't affect the portal pressure, just helps prevent bleeding
38
Risk factors for the first variceal bleed
1. Advanced Cirrhosis 2. Portal Venous Pressue 12+ mm Hg 3. Large Varices 4. Stigmata 5. Recent stopping of beta blockers 6. Volume overload
39
How do you dx a variceal bleed?
Endoscopy
40
How do you treat the first variceal bleed?
1. Resuscitation 2. Vasoactive Drug: Octreotide 3. EGD: Banding or Scleropathy 4. Rescue Treatment: TIPS 5. Should be on antibiotics (Cipro 500 mg IV x 7 days)
41
What can cause ascites to occur?
Combination of abnormal renal function and alterations in portal and splanchnic circulation. 1. Kidney Na+ retention 2. Fluid Retention 3. Expansion of ECF 4. Ascites and Edema formation
42
How do you treat refractory ascites?
1. Repeated paracentesis or shunt (TIPS) | 2. Liver transplant
43
How do you treat mild to moderate Ascites?
1. Na+ restriction (2g/day) | 2. K+ sparing diuretic +/- loop diuretic (Spironolactor and furosemide)
44
How do you treat Large Ascites?
Same as mild to moderate. May want therapeutic paracentesis, can consider liver transplant.
45
Spontaneous infection of ascitic fluid without an intra-abdominal source that can have a high mortality rate if not treated. common in about 10-30% of pts with ascited
Spontaneous Bacterial Peritonitis
46
How would someone with SBP present?
Abdominal Pain, Fever, Encephalopathy, and a Decline in Renal function
47
How do you dx SBP?
>250 mm3 of PMN count in Ascites
48
How do you treat SBP?
IV 3rd generation cephalosporin
49
Can occur in cirrhosis and acute liver failure; gut toxins induce acute or recurrent bouts of ________.
Encephalopathy (Hepatic)
50
Due to toxins escaping the liver and moving throughout the system, a toxin like ammonia can move to the head causing?
Hepatic Encephalopathy
51
What can Hepatic Encephalopathy cause?
Chronic low grade cerebral edema
52
A clinical manifestation of hepatic encephalopathy where a patient is not responding would be graded Stage _____ with what mental status?
4; Coma
53
A clinical manifestation of hepatic encephalopathy where a patient with asterixis would be graded Stage _____ with what mental status?
2; Drowsy
54
A clinical manifestation of hepatic encephalopathy where a patient with muscle rig would be graded Stage _____ with what mental status?
3; Somnolent
55
A clinical manifestation of hepatic encephalopathy where a patient with tremors would be graded Stage _____ with what mental status?
1; mildly confused with or without inverted sleep patterns.
56
When suspected Hepatic Encephalopathy is present, what would you suspect is causing this?
1. GI Bleeding 2. Hyponatremia 3. Infection 4. CNS medications 5. Constipation 6. Non-compliance
57
How do you treat encephalopathy?
1. Lactulose | 2. Rifaximin
58
This medication acidifies the colon so that ammonia (NH3) becomes NH4 and cannot be absorbed.
Lactulose
59
This medication is a non-absorbable antibiotic used to reduce ammonia producing bacteria in the gut.
Rifaximin
60
If a patient has hyponatremia, what should you do!?
1. D/c spironolactone | 2. Water restriction -- limiting fluid intake to 500-1000 mL/day
61
Impaired renal function in a patient with cirrhosis of the liver, commonly vasoconstriction of the renal circulation.
Hepatorenal syndrome (HRS)
62
Dx of HRS
1. Cr > 1.5 or CrCl < 40 mL/mn 2. Absence of shock, fluid losses, or nephrotoxic drugs 3. No improvements with diuretic withdrawal and volume expansion 4. Urine Volume < 500 ml/d 5. UNa < 10 mEq/L
63
Diffuse Dilation of Pulmonary Arterioles and Alveolar Capillaries
Hepatopulmonary Syndrome
64
What else can help you dx Hepatopulonary Syndrome?
1. Bubble Echocardigraphy | 2. High shunt fraction (PaO2 < 150 to 200 mm Hg on 100% O2 in the upright position)
65
Over ___ of patients demonstrated improvement in or resolution of the syndrome by 15 months after orthotopic liver transplantation.
80%
66
Risk factors the the primary liver cancer (Hepatocellular Carcinoma)
HCV > HBV > Other (Alcohol, Hemochromatosis, Cyptogenic)
67
Treatment of Hepatocellular Carcinoma
1. Sx: Liver Transplant or Resection 2. Local/Regional Therapy (TACE) 3. Oral Therapy: Sorafenib
68
Testing for ELD (End Stage Liver Disease)
Creatinine Total Bilirubin INR
69
The higher the number of creatinine, total bili, or INR --- indicative of what?
Worsening Liver function! F/u every 3 months
70
In a patient with Liver Cirrhosis, you should check for HCC how often?
Every 6 months with AFP and Imaging
71
AFP! Serum alpha-feto protein
Can be artificially elevated in certain disease processes and does not indicate HCC(e.g. HCV, testicular cancer, pregnancy). AFP greater than 500 usually diagnostic.

Gastroenterology (12 decks)

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