Exam II Liver Biliary Disease Flashcards

(67 cards)

1
Q

Alanine transaminase (ALT).Liver enzyme for ____ breakdown. Elevated with ____ damage.
___ to ____ U/L

A

protein
liver
7 to 55 U/L

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Aspartate transaminase (AST).Liver enzyme, metabolizes _____ ____. Increased levels may indicate liver damage, disease or _____ damage.
___ to ___ U/L

A

amino acids
muscle
8 to 48 U/L

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Alkaline phosphatase (ALP).Liver (and bone) enzyme for protein breakdown. Increased levels may indicate liver damage or disease, blocked ____ ____ or ____ disease.
___ to ___ U/L

A

bile duct or bone
40 to 129 U/L

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Albumin and total protein._____ synthesized in the ____. Decreased levels may indicate liver damage or disease.
Albumin:___ to ___ g/dL
Total protein:____ to ____ g/dL

A

protein
liver
3.5 to 5.0 g/dL
6.3 to 7.9 g/dL

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Bilirubin.Produced during the normal breakdown of ____, passes through the liver, excreted in _____. Elevated bilirubin/jaundice might indicate liver damage, disease or certain types of anemia.
0.1 to ___ mg/dL (3 mg/dL leads to ____ jaundice; >4 mg/dL leads to ____ jaundice)

A

RBCs
stool
1.2 mg/dL
scleral
generalized

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Gamma-glutamyltransferase (GGT). Liver enzyme. Increased levels may indicate ___ or ___ ___ damage.
__ to __ U/L

A

liver or bile duct
8 to 61 U/L

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

_-______ _____ (__).Liver enzyme. Elevated levels may indicate liver damage but can be elevated in many other disorders.
___ to 222 U/L

A

L-lactate dehydrogenase (LD)
122

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Prothrombin time (PT).Increased PT may indicate ____ damage but can also be elevated with _____.
___ to ___ seconds

A

liver
anticoagulants
9.4 to 12.5 seconds

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

International normalized ratio (INR). Prolonged correlates with impaired ____function, impaired non-specific _____ and reliably predicts liver disease ____.
≤ ___

A

liver
coagulation
survival
1.1

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Benign postoperative intrahepatic cholestasis: usually after ____ procedure, increased incidence with ____, ____, ____.

A

long
hypotension, hypoxia, transfusion

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Benign postoperative intrahepatic cholestasis: symptoms - ____ with increased ____, other labs normal

A

jaundice
bili

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Benign postoperative intrahepatic cholestasis: usually resolves when ____ _____ improves

A

underlying condition

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

OTHER CAUSES OF POST-OP HEPATIC DYSFUNCTION/JAUNDICE (5)

A
  • hematoma, hemolysis, sepsis
  • drug-induced
  • autoimmune
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Acute cholecystitis: obstructed ____ duct or ____ ____ duct leading to painful inflammation

A

cystic
common bile duct

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Acute cholecystitis symptoms (3):

A
  • N/V
  • fever
  • RUQ pain that may radiate to the back
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Acute cholecystitis treatment: ____, _____, _____, or ______

A

IVF, opioids, cholecystectomy (usually lap), or ERCP

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

Acute cholecystitis: trendelenburg + insufflation = increased _____ pressure which leads to decreased _____ and decreased ___ ____

A

abdominal
ventilation
venous return

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

Acute cholecystitis: opioids may cause ___ of ____ ____

A

sphincter of Oddi spasm

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

Hepatitis:
Viral: A (50%), B (35%), C (15%), D (only seen with Hep B), HSV, CMV, Epstein-Barr
Tx: _____
Prevention: Precautions (avoid ____, get _____)

A

symptomatic
exposure
vaccines

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

Hepatitis:
Drug Induced: ____ or dose-related
Common: ______ OD leads to toxicity and necrosis
Tx: Conjugate within 8 hours with _____

A

idiosyncratic
acetaminophen
N-acetylcysteine

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

Hepatitis:
Autoimmune: No ____ treatment. Can progress to failure with need for _____.
Tx: ______ for remission

A

curative
transplant
corticosteroids

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

Hepatitis:
Halothane: Form of autoimmune hepatitis after exposure. May cross-sensitize to other agents EXCEPT _____ (d/t to its different metabolites).

A

sevoflurane

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

Hepatitis:
Chronic: ___months, usually d/t _____, progresses to cirrhosis/multi-organ dysfunction

A

> 6 months
ETOH

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

Cirrhosis:
Parenchymal liver damage with regeneration leads to ____

A

nodules

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Cirrhosis symptoms: F____, m____, j____, a_____, g_____, testicular ____, ascites
Fatigue, malaise, jaundice, angiectasis, gynecomastia, testicular atrophy, ascites
26
Cirrhosis: increased b____, LFTs, INR, t______, h_____, decreased a_____
increased bilirubin, LFTs, INR, thrombocytopenia, hypoglycemia, decreased albumin
27
Cirrhosis: fibrosis leads to increased resistance, which causes ____ _____, ascites, ____megaly, ____megaly, peripheral edema
portal HTN hepato spleno
28
Cirrhosis: Ascites Tx: A____, low ____ diet, diuresis, p______, portosystemic shunt Bacterial peritonitis d/t ascites has high ____&_____
albumin sodium paracentesis M&M
29
Cirrhosis: Portal HTN leads to ____ ____ dilatation with potential heavy bleeding. May require intubation for airway protection and aspiration prevention. Tx: B____, s_____, β blockers, shunt (____ vein to ____ vein)
esophageal venous banding sclerotherapy hepatic portal
30
Hepatic Encephalopathy Failing liver causes ____ changes Shunts can worsen (____/____ bypass hepatic clearance) Tx: Low protein, drugs to ↓ ammonia absorption; avoid o____, s____, a_____
psych ammonia/metabolites opioids, sedatives, anesthetics
31
Hyperdynamic Circulation ↓ ____ with ↑ _____ Cirrhosis can lead to ______ that is difficult to manage intraoperatively.
SVR CO cardiomyopathy
32
Hepatopulmonary Syndrome Approx. ___% of cirrhosis patients Caused by intrapulmonary shunting, V/Q mismatch with dyspnea and hypoxia (worsens when ____) Tx: _____
25% upright transplant
33
Portopulmonary Hypertension (____ ____ HTN + ____ ____ HTN) <4% of cirrhosis patients but high ____ with _____ life expectancy Tx: Prostaglandins, NO. Transplant - but only if PAP <___ mmHg
portal vein pulmonary artery mortality short 45
34
Hepatorenal Syndrome (liver dz + renal failure) Exact etiology unknown but probably d/t ↓ ____ and _____ Type 1 (acute) or Type 2 (chronic) – dependent on speed of onset/severity of ____ function changes Tx: ____ ____ therapy, liver transplant
RBF dehydration renal renal replacement
35
Coagulopathy Most coag factors and anticoagulant proteins synthesized by liver; liver clears ____ ____ factors. Coag function must be determined _____.
activated coag preoperatively
36
Acute Liver Failure: 80-90% loss of liver function occurring in ___ ____ from appearance of 1st symptoms
< 4 weeks
37
Fulminant liver failure: Failure within ___ ____ of 1st symptoms
8 days
38
Acute Liver Failure: Mild encephalopathy causes _____ edema which leads to increased ___ and eventually ____ with high mortality
cerebral ICP coma
39
Acute Liver Failure causes: _____ OD, ____ reaction, hepatitis, acute ____ liver of pregnancy, _____ dz, _____ syndrome
acetaminophen drug fatty Wilson's Reye's
40
Acute Liver Failure Tx: Management of coagulopathies, renal failure, respiratory complications, metabolic abnormalities Newer intervention: “___ ___”, Caution: ____ monitoring with coagulopathy
liver dialysis ICP
41
Acute Liver Failure: Without transplant, ___ ___. After transplant, ___ ___.
85% die 65% die
42
____ of liver damage + type of _____ = perioperative risk
degree surgery
43
____-____ score for severity classification (5 variables. See Table 17.6, p. 354.)
Child-Pugh
44
Nutrition/Metabolic Pts are m______, v____ deficient, ↓ albumin, hypo_____, hyponatremia (with ↑ total body Na+), have altered drug metabolism.
malnourished vitamin hypoglycemic
45
Encephalopathy May or may not be relational to ____ damage Investigate new onset ____ symptoms. Preoperative encephalopathy = ↑ ____ & _____ risks
liver neuro surgical & anesthesia
46
Pulmonary Hepatopulmonary Syndrome? Portopulmonary HTN? Aspiration risk? Room air saturation? PFTs? PAP? _____ = full stomach/delayed emptying with need for RSI
Ascites
47
Renal Hepatorenal syndrome Beware of ↑ _____/↓ clearance and metabolic _____ B____, hypo____, nephrotoxic drugs increase risk
creatinine acidosis bleeding, hypotension
48
Circulation ↓ ____ partially compensated with ↑ ____. ↓ ____ causes interstitial edema
SVR CO albumin
49
Consider ___ ___, foley, pressors. _____, ____, and ____ common for transplants.
art line phenylephrine, norepi, and vasopressin
50
Coagulopathy Thromboelastography (TEG®, ROTEM®) may be useful. Consider vitamin ____ with _____.
K malnutrition
51
Coagulopathy Consider targeted ___, _____, ____ transfusions. Citrate may not be metabolized. May need ____ treatment.
FFP, cryoprecipitate, platelets Ca++
52
Drug Metabolism Affected by impaired liver metabolism, ↑ ___, ↓ ____ binding, ↓ ____. Consider ______ class (metabolized without liver enzymes).
Vd protein clearance benzylisoquinoline
53
Postoperative Most common cause of cirrhosis patient death: ___ ___ To ICU immediately post-op
liver failure
54
liver transplant >6,700 in U.S./year; >12,000 waiting; >56,000 in U.S. with transplanted liver Most common disease: ____ ____
hepatitis C
55
liver transplant >90% are _____
cadaveric
56
liver transplant Peds: Lobe of liver has _____ results Adults: Size-mismatching (small for size syndrome) is _____.
excellent problematic
57
liver transplant Best results: Donor liver at least as ____ as native liver
large
58
liver transplant Former contraindications: A_____, chronic hepatitis (especially ___) and ____. Now most frequent indications.
alcoholism C cancer
59
liver transplant Model End-Stage Liver Disease (MELD) scores predict mortality probability within ___ ____ with ____ ____. MELD scores determine waiting list rankings.
90 days NO transplant
60
liver transplant For ___ ___, Milan staging criteria used.
liver cancer
61
transplant procedure 3 stages
1 dissection 2 anhepatic 3 reperfusion
62
phase 1 dissection - Immobilizing vascular structures and native liver removal leading to _____ with ______ instability
hemorrhage hemodynamic
63
phase 2 Anhepatic – Hepatic artery and portal vein clamped; venovenous bypass used. Retractors cause decreased _____/_____. No liver function leads to ____ _____, ↓ drug metabolism, ____ toxicity. Ca++ often needed.
ventilation/oxygenation metabolic acidosis citrate
64
phase 3 - Reperfusion (neohepatic) – After anastomosis of donor liver. Vascular _____ (reperfusion) leads to CV instability, d_____, b_____, hypo_____, hyper______ (highest risk phase).
unclamping dysrhythmias bradycardia hypotension hyperkalemia
65
Drug metabolism resumes after ______.
reperfusion
66
Coag factors given to normalize clotting. With good perfusion, ____ improve, _____ ____ reverses, oxygenation improves. (Reperfusion/Neohepatic)
LFTs hyperdynamic circulation
67
___-_____ now being done in some transplant centers.
fast-tracking