GI Clin Med liver Flashcards
Hepatitis
Inflammation of the liver
What can cause hepatitis
Hep A, B, C, D, E
Drugs and toxic agents
*clinical manifestations may be similar regardless of cause
True liver function tests
PT/INR
Albumin
Cholesterol
*alt/ast and alp and bilirubin ldh and get can come from other places “liver tests”
What causes mile elevations in ALT
Chronic hep b, c, d
Acute viral hep (A-E, EBV, CMV)
Steatosis/steatohepatitis
Hemochromatosis
Medications/toxins
Autoimmune hepatitis
Alpha-1 antitrypsin defiency
Wilson disease
Celiac disease
Glycogenic hepatopathy
Mild elevations AST
Alcohol related liver injury
Nonhepattic mild elevations
Strenuous exercise
Hemolysis
Myopathy
Thyroid disease
Macro-ast
Severe elevations ast/alt
Acute viral hepatitis a-e Medications/toxins Ischemic hepatitis Wilson Acute bile duct obstruction Acute budd chairi syndrome Hepatic artery ligation
Non hepatic sources bilirubin
Rbc
Non hepatic sources ast
Skeletal msucles, cardiac muscle, rbc
Non hepatic sources alt
Skeletal muscle, cardiac muscle, kidney
Nonhepatic source led
Heart, rbc,
Non hepatic source alkaline phosphatase
Bone, first trimester placenta, intestines
Hepatocellular disease-primary injury to hepatocytes
Ast, alt higher than alkaline phosphatase
Elevated direct bilirubin
Elevated or normal indirect bilirubin
Associated liver enzymes often elevated
Cholestatic liver disease-injury to bile ducts
Alkaline phosphatase higher than AsT, ALT
Elevation of alkaline phosphatase with near normal ast, alt levels
Normal direct bilirubin
Elevated indirect
No abnormal liver tests; no anemia, onset in late adolescence, fasting makes bilirubin rise
Hemolysis
Normal direct bilirubin
Elevation represents more than 90% of total bilirubin
Anemia usual; increased reticulocyte count, normal liver enzyme levels (LDH may be up)
Overall hepatocellular
ALT >AST
Both up
Cholestasis
ALP up(if isolated consider bone involvement) Check get
Elevated alp Failure of bile to reach duodenum Jaundice and pruritus Pure cholstatsis Oral contraceptives, anabolic steroids sex hormones
Non inflammatory drug induced cholestasis
Anabolic steroids, azathripine, cyclosporine, estrogens
Inflammatory drug induced cholestasis
Amoxicillin
Clinical presntation viral hepatitis
Malaise, nausea, vomiting, diarrhea, low grade fever followers by dark urging, jaundice and tender hepatomegaly; may be subclinical and detected on basis of elevated aspartate and alanine levels
Hep a
Ss RNA hepatovirus (picornavirus family0
Prodrome hep a
Anorexia, nausea, vomiting, malaise, aversion to smoking
Duration hep a
2-3 weeks
Complete clinical 9 weeks recovery 6-12 months no clinical sequelae
Risk factor hep a
1 international travel contaminated water or food, including inadequately cooked shellfish
Symptoms hep a
Fever, malaise, myalgia, arthralgias, easy fatigability, upper respiratoy symptoms, anorexia, enlarged and tender liver, jaundice , nausea, vomiting, diarrhea or constipation
More severe in adults
Ab pain RUQ or epigastric
Alcoholic stools
Transmission hep a
Fecal oral
Poor sanitation crowding
Excreted in feces for up to 2 weeks before clinical illness but rarely after the first week of illness
Labs hep a
Markedly elevated AST ALT
Elevated bilirubin and ALP-cholestasis
Anti hAC IgM early later IgG
Acute hep-IgM diagnose igG-protective and previous exposure
Vaccine HAV
Yup
Hep with fulminant
ABD
Hep B
Hepadna virus partially dsDNA inner core and outer surface coat
Prodrome hep b
Anorexia, nausea, vomiting, malaise, aversion to smoking
Duration hep B
Acute illness usually subsides over 2-3 weeks->complete clinical laboratory recovery 16 weeks
Risk factors hep b
MSM Inject drugs HIV Hemodialysis Physicians, dentists, nurses, personnel working in clinical and pathology laboratories and blood bands Incarcerated STD Blood transfusion
Symptoms hep b
Fever low grade, enlarged and tender liver, jaundice
Asymptomatic w/o jaundice->a fulminating disease and death
Glomerulonephritis, serum sickness, and polyarthritis nodosa
Transmission hep b
Blood or blood products
Sex
Perinatal Asia africa
HBsAg positive mothers 90% transmit to baby
Labs hep b
Markedly elevated ALT AST easily higher than HAV
No cholestasis so ALP and bilirubin normal
Vaccine HBV
Ok
What percent of hep b is acute vs chronic
90% acute
10% chronic
Mortality hep b
Fulminant hepatitis less than 1% with mortality 60%
Prevent hep b
Vaccine
HBIG if exposure in unvaccinated
HBc-AB IgG
Prior infx
Chronic infx
HBsAg
Surface antigen, first evidence, positive during acute and carrier (chronic)
Before biochemical evidence of liver disease and persisting throughout the clinical illness
Persistence of HBsAg more than 6 months after the acute illness
HBsAb
Surface antibody, immunity
Appears after clearance of HBsAg and after successfulvaccination
HBcAg
Core antigen
HBcAb IgM
Appears shortly after HBsAg is detected, ONLY THING DETECTABLE DURING GAP WINDOW PERIOF->CONSIDERED ACUTE HBV
Diagnose acute
Reappear during flares of previously inactive chronic hep b
IgG also persists but persists indefinitely
HBcAb IgG
Appears during late in acute phase and persists indefinitely, whether goes on to chronic infection or immunity (prior infx)
HBeAg
Viral proliferation and infect iv its
+ acute and active chronic
Negative inactive chronic
Secretory form of HBcAg ->viral rep and infectivity
If persist beyond three months->chronic
HBV DNA
Detectable during current infection, typically parallels the presence of HBeAg, more sensitive and precise marker of viral replication
More sensitive precise marker of viral replication
Hep D
Defective RNA virus needs HBV
Risk factor Hep D
HBV endemic Mediterranean basin ; spread predominantly by non percutaneous means
Nonendemic areas-spread percutaneous lh in HBsAg IV drug users or hemophiliac transfusion
Labs HDV
Ani HDV
Vaccine hepD
Vaccinate against hep b
Mortality hep d
Enhances severity of HBV infection
Hep E
RNA hepevirus hepevirdae
Risk factors hep e
Epidemic form in Asia, the Middle East, and North Africa, Central America , India
Pet
Tramsioson hep e
Enteric, cooked organ meat, spread by swine
Labs hep e
IgM anti HEV
Vaccine HEV
Approved in china
Acute HEV chronic
Acute
But in transplant patients treated with tacrolimus instances of chronic with progression to cirrhosis have been reported
Mortality hep e
Pregnant
Hep c
Flavivirus ss RNA Chronic
Risk factors hep c
HIV
Transfusion
Body piercing and tattooed, hemodialysis
Hospital and outpatient facility acquired transmission-re use syringes in caths
Unsafe medical practices
Bloody fisticuffs
Symptoms hep c
Mild and asymptomatic fluctuating elevations of serum ALT AST
Labs hep c
HCV RNA
Enzyme immunoassay that detects antibodies to HCV
What is someone has HCV ins drum, without HCV RNA in serum
Recovery from prior HCV infection
Vaccine hep c
No but chronic carriers should be vaccinated against HAV HBV
Complications HCV
Cirrhosis, hepatocellular carcinoma, HIV coinfection, cryoglobulinemia and membranoproliferative glomerulonephritis, lichen Plano’s, autoimmune thyroiditis, lymphocytes sialadentis, idiopathic pulmonary fibrosis, sporadic porphyria cutaneous tarda, monoclonal gammatopathies
Prevent HCV
Test donated blood
Screen baby boomers
Safe sex
Don’t share razors of tooth brush
Treat hep c
Curable with proper treatment
Chronic hepatitis
At least 6 months
Etiology chronic hepatitis
Hepatitis B virus, hep C, hep D, drugs (methyldopanitrofurantoin, isoniazid, dantrolene), autoimmune hepatitis, Wilson’s, hemochromatosis, a1-antitrypsin defiency)
Chronic hepatitis grade
Histologic assessment of necrosis and inflammatory activity based on exam of liver
State chronic hepatitis
Reflects the level of disease progression and is based not he degree of fibrosis
Presentation chronic hepatitis
Asymptomatic ALT AST Elevations
Acute fulminant
Fatigue, malaise, anorexia, low grade fever, jaundice , ascites, varices bleeping, encephalopathy, coagulopathy, hypersplenium
When do people with chronic hepatitis get extrahepatic manifestations
HBV-urticaria, arthritis, polyarthritis nodosa, vasculitis, polyneuropathy, glomerulonephritis
HCV-mixed cryoglobulinemia
How ID presence or absence of fibrosis in chronic hep
Serum fibrosure and/or US elastography
Toxic and drug induced hepatitis dose dependent
Onset in 48 hours, predictable , necrosis around terminal hepatic venue
Mushroom poisoning, acetaminophen
Toxic and drug induced hepatitis idiosyncratic
Variable dose and time of onset
Small number of exposed persons affected
May be associated with fever, rash, arthralgias, eosinophilia
Ioniazid
Treat toxic and drug induced hepatitis
Supportive -withdraw agent, gastric lovage and oral administration of charcoal
Liver transplant
Acetaminophen overdose, sulfhydryl compounds, use remark Matthew nomogram
-start therapy in 8 hours if ingestion
Fulminant hepatitis
Massive hepatic necrosis with impaired consciousness occurring within 8 weeks of the onset of illness
Causes of fulminant hepatitis
ABCDE Drugs Ischemia Budd chiari syndrome Idiopathic chronic active hep Acute Wilson’s disease Reye’s syndrome acute fatty liver of pregnancy
Clinical fulminant hepatitis
Encephalopathy
Rapidly shrinking liver side, raising bilirubin, prolongation PT, clinical signs of confusion, disorientation, somnolence, ascites and edema-hepatic failure with encephalopathy, ALT AST fall
Cerebral edema,
Mortality fulminant hepatitis
Common
Treat fulminant hepatitis
Maintain fluid balance, support of circulation and respiration, control bleeding, correction of hypoglycemia, and tratment of other complications of the comatose state in anticipation of liver regeneration and repair
Restrict protein intake
Oral lactulose or neomycin
Prophylactic antibiotics -improves survival
Liver transplant
Alcoholic liver disease
80 mg a day men 30-40 mg a day women
Often denied in exam
Men or women more susceptible to get advanced liver disease with less alcohol intake
Women
Cofactors in alcoholic liver disease
Hep B and B malnutrition
Fatty liver alcohol
Asymptomatic and goes away with stopping alcohol
Alcoholic hepatitis
Asymptomatic->severe liver failure with jaundice, ascites, GI bleeding and encephalopathy
Anorexia, nausea, vomiting, fever, jaundice, tender hepatomegaly, RUQ pain
Alcoholic hepatitis AST ALT
AST ALT 2:1
Diagnosis alcoholic hepatitis
Biopsy hepatocyte swelling, mallory denk
Adverse prognosis alcoholic hepatitis
Critically ill
A maddreys discriminates function (PT and serum bilirubin involved)-over 32 associated with poor prognosis
MELD score of end stage liver disease->21 is also significant mortality
Glasgow alcoholic hepatitis scare-predicts mortliaity based on age, serum bilirubin, BUN, prothrombin time, and WBC
Over 9 who receive glucocorticoids had higher survival rates compared to those that didn’t
Ascites, varices hemorrhage, encephalopathy, hepatorenal syndrome poor
Lab of alcoholic hepatitis
Mild liver enzymes Anemia Leukocytosis Leukopenia Thrombocytopenia ALP GGT up PT up Depressed albumin and gamma globulin up Increased transferrin saturation, hepatic iron stores, and sideroblastic anemia Folic acid defiency by
Imaging hepatic alcoholic
UD exclude biliary obstruction and identifies subclinical ascites
CT IV MRI
Serum fibrosure and or US elastography can identify presence or absence of fibrosis
Liver biopsy of alcoholic hepatitis is identical to what
Non alcoholic steatohepatitis
Treat alcoholic hepatitis
Abstinence is essential
Multivitamin
G;ucose administation increases thiamine requirement and can precipitate wernicke korsakoff syndrome if thiamine is not co administered
Wernicke encephalopathy
Confusion, ataxia, involuntary abnormal eye movements
Korsakoff syndrome
Severe memory issues
Confabulation/make up stories to fill in the gaps
Treat korsakoff
Correct K Mg and phosphate deficiencies
Transfusions of packed rbc, plasma as necessary
Monitor glucose
Severe alcholic hepatitis(discrimination function>32 MELD >20) steroids
Pentoxifylline increase survival
Liver transplantation-but must obstinate from alcohol for 6 months to be considered
Non alcoholic fatty liver disease
Asymptomatic elevated ALT AST hepatomegaly
Steatosis without fibrosis
Common 20-45% of Americans
Causes oris factors non alcoholic fatty liver disease
Obesity, DM, hyper TG, insulin resistance
Hispanic
Vinyl chloride
Histology non alcoholic fatty liver
Focal infiltration by polymorphonuclear neutrophils and mallory hyaline similar to non alcoholic steatohepatitis
Symptoms NAFLD
Asymptomatic mild URQ discomfort
Hepatomegaly
Lab NALFLD
Milf elevation ALT AST
Maybe normal though
Imaging NAFLD
CT< US< MRU see macrovascular steatosis
MRU-quantify fat content
US elastography-assess liver stiffness can be used to estimate hepatic fibrosis
Primary biliary cirrhosis
Progressive non supportive destructive intrahepatic cholangitis
Chronic
Autoimmune destruction
FEMALE over 50
Symptoms primary biliary cirrhosis
Asymptomatic isolated elevation in ALP or impaired bile excretion->liver failure and cirrhosis
Risk of primary biliary cirrhosis
UTI
Smoking
Hormone replacement therapy
Hair dye
Clinical manifestations PBC
Pruritus, fatigue, jaundice, xanthelasma, osteoporosis, steatorrhea, skin hyperpig, portal hypertension
Associated disease PBC
Sjirgen autoimmune
Diagnose PBC
AMA 90%
ALP GGT bilirubin, cholesterol IgM
Treat PBC
Ursodeoxycholic
Autoimmune hepatitis 1
More common
Anti smooth msucle antinuclear
Antibodies
Type II autoimmune hepatitis
Women
Antiliver.kidney microsomal antibodies anti LKM
Clinical manifestation autoimmune hepatitis type I
Women
Abrupt onset 1.3 insidious 2/3
Progressive jaundice, anorexia, hepatomegaly, abdominal pain, epistaxis, ever, fatigue
Healthy woman-spider telangiectasia, cutaneous striae, acne, hirstisum, hepatomegaly
Autoimmune hepatitis and cirrhosis
Leads to itwhich causes death if untreated risk of hepatocellular cancer
Extrahepatic manifestations autoimmune hepatitis
Rash, arthralgias, keratoconus TI is sicca, thyroiditis, hemolytic anemia, nephritis, UC
Treat autoimmune hepatitis
Glucocorticoids
Hemochromatosis
Elevated iron saturation or serum ferritin or a FH
Most asymptomatic
Recognized after 5th decade
What does hemochromatosis cause
Hepatic abnormalities, cirrhosis, heart failure, hypogonadism and arthritis
Genetics hemochromatosis
HFE gene mutation AR
Iron in hemochromatosis
Liver, pancreas, heart, adrenals, testes, pituitary, kidneys
Symptomsand signs of hemochromatosis
Earlier in men
Early-fatigue
Later-arthropathy, hepatomegaly, hepatic dysfunction, KSIN pigmentation, cardiac enlargement, DM
Hemochromatosis increased risk for infection with what
Y, LM, VV
Lab hemochromatosis
Milf ALT AST
Elevated iron and transferrin saturation
Elevated ferritin
Imaging hemochromatosis
MRI CCT overload iron
MRI quantitiate
Liver biopsy hemochromatosis
Homozygous C282Y
Serum ferritin less than 1000, serum AST normal, hepatomegaly absent
Risk factors hemochromatosis
Male sex, excess alcohol consumption and DM
Screen HFE
All first degree family members
Treat hemochromatosis
Avoid foods rich in iron such as red meat, alcohol, vitamin C, raw shellfish, and supplemental iron
PHLEBOTOMIES every week
Monitor hematocrit and serum iron
Chelating agents deferoxamine for patients with hemochromatosis and anemia or secondary iron overload tue to thalassemia who cant tolerate phlebotomies
Complications hemochromatosis
Anthropathy, DM, heart disease, portal hypertension, fibrosis, cardiac conduction defects and insulin requirements
Wilson disease
AR under 40
Excessive deposition of Copper in liver and brain
Serum ceruloplasmin urine copper wilson
Serum ceruloplasmin low
Urinary excretion high
Genetic wilson
ATP7B
Heterozygous ok
Where is copper in wilson
Copper deposition, espicially in the liver, brain, cornea, and kidney
Who do we consider Wilson’s in
Liver disease in adolescents and neuropsychiatric disease in young adults
Any young kid with hepatitis, splenomegaly with hypersplenism, Coombs negative hemolytic anemia, portal hypertensiona nd neurologic psychiatric abnormalities
Neuro wilson basal ganglia
Akinetic rigid Parkinsonism , tremor, ataxia , dystonia syndrome , dysarthria, dysphagia, migraines, seizures
Behavior and personality changes
Diagnose wilson
Low ceruloplasmin, high urine copppper up
Jayden flies her
MRI brain increased basal ganglia and brainstem and cerebellar copper
ATB 7B
Budd chiari
Tender, painful hepatic enlargement RUQ pain jaundice, splenomegaly, ascites, frequently complicated by hepatocellular carcinoma
Imaging budd chiari
Occlusion/absence of flow in hepatic vein or inferior vena cave
What predisposes a patient to budd chiari
Hereditary and acquired hypercoagulable states
(Polycythemia very, specific mutation V617F) in gene of JAK2
Thrombosis-activated protein C resistance (factor V Leiden mutation, protein C or S or antithrombin defiency,
Liver and budd chiari
Canal webs->right sided heart failure->NUTMEG LIVER
In India china and South Africa, what is budd chiari syndrome associated with
Poor standard of living
Presentation budd chiari
Fulminant, acute, subacute or chronic
Mainly subacute
With chronic disease what complications from budd c
Bleeding varices, hepatic encephalopathy, hepatopulmonary syndrome
Imaging budd chiari
Prominent caudate lobe
Contrast enhanced CEUD
Pulsed Doppler US
MRI-see obstructed vein
Direct venography-delineate canal webs and occluded hepatic veins (spider web pattern ) most precisely
Liver biopsy budd c
Percutaneous or transjugular
Nutmeg-ventricular congestion and fibrosis
Alpha 1 anti trypsin
AR
Accumulated in hepatocytes causing liver damage and decreased levels of protease inhibitors
PiM
Normal
PiS
Mildly recused
PIX
Homozygous severe reduction in enzyme
How does alpha 1 antitrypsin cause increased risk of HCC
Micronodular cirrhosis
Presentation a1 antitrypsin
Baby-liver fail-liver transplan
Older-pulmonary emphysema at young age
Don’t smoke and liver transplant
Ischemic hepatitis
Ischemic hepatopathy, hypoxichepatitis, shock. Liver, acute cardiogenic liver injury
Acute fall in cardiac output due to MI, arrhythmia, septic or hemorrhagic shock, hypotension
Treat ischemic hepatitis
Statin
Hallmark ischemic hepatitis
ALT AST increased
Greater than 5000
Early rapid rise in the serum lactate dehydrogenase
Alp bilirubin mild
Jaundice worse outcomes
PPT prolonged, encephalopathy, or hepatopulmonary syndrome
Mortality ischemis hepatitis
High
Right heart failrue
Passive congestion liver nutmeg
Serum bilirubin up alp normal
ALT AST mild up
HEPATOJUGULAR REFLUX PRESENT WITH TRICUSPID REGURGIATION THE LIVER MAY BE PULSATILE
ASCITES(high SAAG serum ascites albumin gradient over 1)
Increased N terminal proBNP
Causes of non cirrhosis portal hypertension
Portal vein thrombosis
Splenic vein obstruction
Schistomiasis
Risk factors non cirrhosis portal hypertension
OC, preg, treatment f thrombocytopenia with eltrombopag
Signs of non cirrhosis portal hypertension
Acute portal vein thrombosis causes abdominal pain
Splenomegaly
GI bleed
Lab noncirrhotic portal hypertension
Normal
But hypercoagulable stage is found in many patients with portal vein thrombosis
JAK stat factor V Leiden mutation, protein C and S defiency
Imaging non cirrhosis portal hypertension
Color Doppler US and contrast enhanced CT, MRA of portal system is generally confirmatory, EUS
Treatnon cirrhotic, portal hypertension
Splenectomy
Anticoagulation particularly with low molecular weight heparin
Anti helmets
Pyogenic hepatic abscess signs
Fever, RUQ pain, jaundice (charcots triad..)
Often ins eating of biliary disease
How can the liver be invaded by bacteria:pyogenic hepatic abscess
Bile duct, portal vein, hepatic artery, direct extension, traumatic implantation
Risk factors pyogenic hepatic abscess
Old males
Pyogenic liver abscess
Increased risk of GI malignancy
Ascending cholangitis
Resulting from biliary obstruction due to a stone , stricture, or neoplasm is most common identifiable cause of hepatic abscess in US
Appendicitis diverticulitis
10% of liver abscess
40% of liver abscesses
Dental source
Most common organisms of pyogenic hepatic abscess
E. coli, klebsiella, proteus vulgarisms, enterobacter aerogenes, microaerophilic and anaerobic species
Pyogenic hepatic abscess hepatocellular carcinoma
Rare can present as a pyogenic abscess because of tumor necrosis, biliary obstruction, and superimposed bacterial infection
What must always be considered with pyogenic liver abscess
Amebic
Pyogenic hepatic abscess symptoms and signs
Insidious
Fever
Pain
Jaundice, tenderness RUQ,
Labs pyogenic hepatic abscess
Leukocytosis with shift left
Normal liver test
Blood culture positice
Imaging pyogenic hepatic abscess
Chest x ray-elevation diaphragm if abscess in right love
US, CT< MRI intrahepatic lesions
MRI-high signal intensity T2
Cavernous hemangioma
Incidental finding US CT MRI
Enlarge in women on hormonal therapy
Surgical resection of cavernous hemangiomas is rarely necessary
Focal nodular hyperplasia
All ages
Not oc
Asymptomatic
Hypercascular mass central stellate scar on CT MRI
Stain positive for glutamine synthetase with central stellate scare
Not a neoplasm
Hepatocellular adenoma
Women 30-40
OC
Acute ab pain if tumor undergoes necrosis or hemorrhage
Occurs with glycogen storage disease and FAP
Hypovascular
Hepatocellular Adelina microscopically
Consists of sheets of hepatocytes w/o portal tracts or central veins
Clinical benign liver neoplasms-cavernous hemangioma adenoma
Palpable mass
Liver function normal
Arterial phase helical CT and multiphase dynamic MRI with contrast can distinguish an adenoma from focal nodular hyperplasia in 80-90% of cases
Treat focal nodular hyperplasia
OC not discontinue
Should do US every teat for 2-3 years to ensure the lesion is not enlarging
Excellent prognosis
Treat hepatocellular adenoma
Bleeding, necrosis, rupture——hormone therapy, third trimester, men
Resection is advised in all who is 5 cm
Discontinue OC get regression
Transarterial embolization is the initial treatment for adenomas complicated by hemorrhage
Cirrhosis
Development of liver fibrosis , regenerative nodules, decreased liver function
Portal hypertension
Cirrhosis reversible
If remove cause
4 types of cirrhosis
Compensated, compensated with varices, decompensated
Symptoms cirrhosis
Anorexia, nausea, vomiting, diarrhea, vague RUQ pain, fatigue, weak, ab pain glisson capsule , ascites,
Signs cirrhosis
Spider telangiectasia, palmar erythema, dupuytren contractures Glossitis cheilosis (vitamin deficiencies) Weigh loss Jaundice Capture Medusa Ascites Encephalopathy Fecer
Labs cirrhosis
Anemia Pancytopenia PT up Hyponatremia, alkalosis Glucose disturbances, hypoalbuminemia
What decreases cirrhosis
Coffee tea
Most common causes of cirrhosis
Alcohol
Chronic hepatitis C infection
NAFLD
Hepatitis B infection
Most common genetic disorder that causes cirrhosis
Hemochromatosis
Also wilson, a1 antitrypsin, PBD, heart failure, autoimmune (SMA antiLKM)
Diagnostic cirrhosis
Viral hepatitis Hemochromatosis AMA primary biliary cirrhosis SMA anti LKM autoimmune Ceruloplasmin wilson A1 anti
US-liver size
NEED BIOPSY
Complications cirrhosis
CMP or hepatic function panel
PE for ascites and encephalopathy
Problems with cirrhosis
DM and vitamin D defiency
Portal hypertension
Increased hydrostatic pressure
Caused by increased intrahepatic resistance to the passage of blood flow through the liver together with increased splanchnic blood flow due to vasodilation within the splanchnic vascular bed
Consequences of portal hypertension
Varices with hemorrhage Ascites Hypersplanism Hepatic encephalopathy Spontaneous bacterial peritonitis Hepatorenal syndrome Hepatocellular carcinoma
EGD or capsule endoscopy
To determine whether varices are present
Treat portal hypertension
Beta adrenergic blockers to reduce risk of hemorrhage in patients with small varices who have varices red wale marks or advanced cirrhosis (B or C)
Symptoms esophageal varices
Bleeding,
Retching or dyspepsia
Varices DP not cause symptoms
UGIB0life threatening, most common cause of GIB due to portal HTN
Risk of bleeding with esophageal varices
Size over 5 mm
Presence at endoscopy or red wale markings
Child score B or C
Active alcohol cause
Diagnose esophageal varices
Upper endoscopy
Treat esophageal varices
60% recur
Acute resuscitation in ICU
Rapid rectus situation with fluids and blood products
-give fresh frozen plasma or platelets be patients have coagulopathy duct to cirrhosis
VK intravenous! For abnormal prothrombin time
Antibiotic prophylaxis esophageal varices
Don’t want gram negative infection-50% get
Fluoroquinolone or IV third generation cephalosporins
Reduce risk of serious infection in 10-20% as well as hospital mortality, espicially in patients with child Pugh C
Esophageal varices and somatostatin and octreotide
Infusions reduce portal pressures vasoactive drugs
Lactulose esophageal varices
Encephalopathy may complicate GIB in patients with severe liver disease
Prevent re bleed
Nonselective beta adrenergic blockers (propranolol, nadolol) reduce risk or rebleeding
Long term treatment with band ligation reduces
Emergent endoscopy esophageal varices
Hemodynamically stable with active bleeding->endotracheal intubibation to protect against aspiration during endoscopy
Preformed to exclude other or associated causes of UGIB -immediate banding
Complications emergent endoscopy
20-30% chest pain, fever, bacteremia, esophageal ulceration, stricture, perforation
Balloon tube tamponade esophageal varices
Mechanical tamponade with specially designed nasogastric tubes containing large gastric and esophageal balloons -Minnesota or sengstaken blkemore tubes
Balloon tube tamponade effectiveness
Initial control of active hemorrhage in 60-90% rebleeding in 50%
Complications balloon tube tamponade
Prolonged inflation
Esophageal and oral ulceration , perforation, aspiration, airway obstruction
Why is balloon tube tamponade a temporary measure in patients not controlled with pharm or endoscopic technique
High rate of complications
What must be done before balloon tube tamponade
Endotracheal intubation
Transvenous intrahepatic portoystemic shunt
Over a wire that is passed through a catheter inserted in the jugular vein, an expandable wire mesh stent is passed through the liver parenchyma, creating a portosystemic shunt from the portal vein to the hepatic vein
TIPS effectiveness
Control acute hemorrhage in over 90% of patients
Increased risk of encephalopathy
Lowers risk of rebleeding but not mortality
Who gets TIPS
Recurrent episodes of varices bleeding that have failed endoscopic or pharm therapies
Liver transplant varices
Treat with band ligation or TIPS to control bleeding pre transplant
Hepatic encephalopathy
Altered mental status and cognitive function occurring in presence of liver failure
Acute reversible, chronic and progressice
States of encephalopathy
Mild confusion, drowsiness, stupor, coma
Diagnose hepatic encephalopathy with clinical features
Confusion, slurred speech, change in personality, violent and hard to manage, sleepy and difficult to arouse, asterixis——coma
Encephalapp-stoop test ask name color of written word
Pathophysiology hepatic encephalopathy
Gut derived neurotoxins ammonia elevated not removed by liver
But severity not due to height of ammonia levels
Precipitates hepatic encephalopathy
GI bleeding, azotemai, constipation, high protein diet
Treat hepatic encephalopathy
Remove precipitates and orrect electrolyte imbalances
Lactulose -colonic acidification and diarrhea-WANT THIS want to increase stools
Liver transplant
Ascites cirrhosis cause
Portal hypertension; hypoalbuminemia
Urinary Na concentration low
Free water excretion impaired->hyponatremia
Two categories of ascites
Normal peritoneum Diseased peritoneum(More common with portal HTN and cirrhosis)
Signs and symptoms ascites
Increasing abdominal girth
Elevated jugular venous pressure, right sided heart fail, large tender liver (budd, acute alcoholic hep), asterisks, anasarca, shifting dullness
Risk factors ascites
Alcohol transfusion tattoos, injection drug use, history or viral hep, jaundice, birth in endemic area of hepatitis
Diagnose ascites
US
Labs ascites
Abdominal paracentesis -new onset and has cirrhosis and ascites
When patients deteriorate to exclude bacterial peritonitis
White cell in ascites
Spontaneous bacterial peritonitis
Over 500 leukocytes
Over 250 PMC
TB or peritoneal carcinomatosis
Albumin and total protein in ascite
SAAG portal HTN 1.1
Non portal hypertension lesss than 1.1
Subtract ascites fluid albumin from serum albumin
Culture and gram stain ascites
Aerobic and anaerobic culture
imaging ascites
US distinguish ascites with portal and nonportal
Doppler-budd c
LAD-
CT-see causes of portal and nonportal , see budd c, LAD
SAAG greater than or equal to 1.1
Portal hypertension
-hepatic congestion (heart failure, constrictive pericarditis, tricuspid insuffiency, budd C, Venmo occlusive)
or liver disease (cirrhosis, alcoholic hep, fulminant hepatic failure, fibrosis
SAAG less than 1.1
Diseased peritoneum (bacterial, TB, fungal, HIV) Infections, malignant (carcinomatosis, mesothelioma, pseudomyxoma, cancer)
SAAG less than 1.1 hypoalbuminemia
Nephrotic syndrome
Protein losing enteropathy
Severe malnutrition
Miscellaneous conditions SAAG less than 1.1
Myxedema greater than 1.1!!
Rest pancreatic, bile, nephrotoxicity, ovarian disease
Spontaneous (primarY0 bacterial peritonitis is common with what history
Chronic liver disease and ascites
Absence of an apparent intra abdominal source of infection
Peritoneal signs and spontaneous bacterial peritonitis
No
Neutrophil in spontaneous bacterial peritonitis
Higher than 250
How get spontaneous bacterial peritonitis
Translocation of enteric bacteria across the gut wall or mesenteric lymphatics leads to seeding of the ascetic fluid
Monomicrobial
- e coli klebsiella (enteric gram -)
- strep p, viridans, enterococcus(gram +)
NO ANAROBIC
Signs and symptoms spontaneous bacterial peritonitis
Subtle
Fever ab pain
Change in mental status
Worsening or renal function
Chronic liver disease with ascites
Lab findings primary bacterial peritonitis
Abdominal paracentesis -PMN over 250
Secondary bacterial peritonitis
Secondary to intra abdominal infection
Appendicitis, diverticulitis, perforated peptic ulcer, gallbladder, multiple organisms,
Prevent SBP
Oral once a day antibiotics
Treat peritoneal infection
Third gen cephalosporin
Beta lactam/beta lactamase agent
-not aminoglycosides bc of nephrotoxicity
Major cause of death PB
Kidney injury give IV albumin
Treat SBP
Broad spectrum metronidazole or third gen cephalosporin
Most effective treatment for recurrent spontaneous bacterial peritonitis
Liver transplant
Prognosis spontaneous bacterial peritonitis
Over 30% mortliatiy
But if treated and seen early less than 10
Malignant ascites
Peritoneal carcinomas
What are the most common tumors causing carcinomatosis
Ovary, uterus, pancreas, stomach, colon, lung, breast
How do tumors metasticize to peritoneal
Lymphatic obstruction, hepatocellular carcinoma
Cytology malignant ascits
90%
Malignant ascites SAAG
Less than 1.1
Malignant ascites respond to diuretics
No
Familial Mediterranean fever SAAG <1.1
Rare AR in Mediterranean ancestry where they lack a protease in serosa fluids that inactivate interleukin 8 and the chemotactiv complement factor 5A
Symptoms familial Mediterranean fever
Before 20
Episodic bouts of acute peritonitis that may be associated with serositis involving the joints and pleura
Sudden fever, ab pain, ab tender, guarding or rebound
Familial Mediterranean fever untreated
Resolve in 34-48 Horus
Why may someone with familial Mediterranean fever undergo laparotomy unnecessarily
Mimic surgical peritonitis
Colchicine
Decreased frequency of familial Mediterranean fever
Main cause of death familial Mediterranean fever
Secondary amyloidosis
Mesothelioma SAAG
Primary abdominal malignant mesothelioma
Asbestos
Signs of mesothelioma
Ab pain, bowel obstruction, increased abdominal girth, and small to moderate ascites
Chest radiograph mesothelioma
Pulmonary asbestosis
Ascites in mesothelioma
Hemorrhagic
Cytology mesothelioma
Negative
CT PET-CT mesothelioma
Sheet like masses involving the. Mesentery and omentum
Diagnosis mesothelioma
Laparotomy or laparoscopy
Chylothorax ascites SAAG<1.1
Lipid rich lymph in peritoneal cavity milky appearances TG greater 1000
Why get chylothorax ascites
Lymphatic obstruction or leakage caused by malignancy, espicially lymphoma
Post op trauma, cirrhosis, TB, pancreatitis, filariasis
Pancreatic ascites
Accumulation of pancreatic secretions due to disruption of pancreatic duct or to a pancreatic pseudocyst in patients with chronic pancreatitis and complicates acute pancreatitis
Pain with pancreatic ascites
No be enxymes not active
Describe fluid of pancreatic ascites
High protein amylase high excess 1000
Bile ascites SAAG<1.1
From complications of biliary tract surgery, percutaneous lvier biopsy or abdominal trauma
Pain bile ascites
Unless infected no pain , fever, or leukocytosis
Paracentesis bile ascites
Yellow fluid
Ration of ascites bilirubin to serum bilirubin in bile ascites
Greater than 1
Most important treatment of cirrhosis
Abstinence from alcohol
F
Other cirrhosis treatment
If HAV HBV get pneumococcal vaccines and a yearly flu vaccine
Liver transplant
Nonsteroidal anti inflammatory drugs contraindicated
Don’t use angiotensin converting enzyme inhibitors and angiotensin II antagonists
Complication paracentesis
Bleeding, infection, bowel perforation
How treat ascites and edema
Dosing intake restricted
Bed rest
Fluid intake restricted
Diuretics
What diuretic for ascites and edema
Spironolactone with furosemide
TIPS and ascites
Lower ascites recurrence and hepatorenal syndrome
What is associated with increased mortality with TIPS
Chronic kidney disease, diastolic cardiac dysfunction, refractory encephalopathy, hyperbilirubinemia
Complication fo TIPS
Hepatic encephalopathy, infection, shunt stenosis, shunt occlusion
Hepatorenal syndrome
Histology kidneys morale get acute decreased in cardiac output precipating event
Treat hepatorenal syndrome
Discontinue diuretics IV albumin Vasoconstrictor TIPS Liver ranspaotn
Acute liver failurefulmient or sub most common cause
Acetaminophen
Suicide or unintentional
Second most common cause of acute liver failure
Anti TB drugs, antiiepileptics, antibiotics
Characterization fulminant hepatic failure
Development of hepatic encephalopathy within 8 weeks and 6 months
Acute onchronic liver failure too
Liver transplant
If irreversible
Abstinent for 6 months
Prioritzaion based on MELD and CHILD
What is given after liver transplant
Immunosuppressant
What order to calculate MELD
CMP (serum bilirubin, creatinine) and PT/INR
What MELD score is required for liver transplant
14 or over