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Published byMarvin Lloyd Modified over 9 years ago
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Liver Transplantation for Alcoholic Liver Disease
David Orr Hepatologist NZLTU
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Milestones in Transplantation
1948 ACTH and Corticosteroids mercaptopurine 1957 Kidney Transplantation (Murray) 1963 Liver Transplantation (Starzl) 1967 Successful Liver Transplanatation (Starzl) 1979 Cyclosporine (Calne) % 1 year survival (Calne) 1988 Living Related Liver transplant (Raia) 1994 Living donor R lobe (Yamaoka) 1997 Monosegmental Liver transplants (Rela) 2
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Indications For LT Acute hepatic failure
Early graft failure (PGNF, HAT) Late graft failure (CR, biliary cirrhosis, HAT, recurrent disease) Chronic Liver disease CPS> Severe bone disease (esp PBC/PSC) Uncontrolled variceal bleeding Hepatopulmonary syndrome Diuretic resistant ascites Portopulmonary hypertension Chronic hepatic encephalopathy Hepatorenal syndrome SBP HCC Severe malnutrition Intractable pruritis Metabolic liver disease
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Acute Liver Failure Paracetamol Listing Criteria
(Poor prognosis criteria: survival <5%) pH < 7.3 (after fluid resus) Or Grade III – IV HE INR > 8 Serum Cr > 300
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Acute Liver Failure Non Paracetamol
INR > 8 (irrespective of HE grade) Or 3 of 5 Criteria 1. INR > 4 2. Age < 10 or >40 3. Aetiology: Drug induced or Non-A, Non-B 4. Bilirubin > 300 5. Jaundice to encephalopathy > 7 days
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Acute Liver Failure Aetiology Viral: Hep A, B, E (Rare: HSV, EBV, CMV)
Drug: Paracetamol, Isoniazid/rifampicin, NSAIDs, Valproate, carbamazepine, Ecstasy, anaesthetic, phenytoin, MAOIs
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Acute Liver Failure Aetiology -AFLP, HELLP
-Wilson’s: Coombes neg hemolytic anaemia, KF rings -Amanita phalloides: severe diarrhoea 5 hr post ingestion, ALF 4-5/7 -AIH -BCS -Lymphoma -Ischaemic hepatitis
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Contraindications to LT
Relative Contraindications Absolute Contraindications Extrahepatic sepsis Mod Pulm-HT (MPAP 35- 50mmHg) No psychosocial support Advanced cardiopulmonary disease PSMVT HIV Age > 75 years Severe Pulm-HT (MPAP> Substance abuse AIDS Extrahepatic malignancy
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CADAVERIC ORGAN DONOR SHORTAGE
Waiting List Registrants Donors UNOS July 2001 3
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Median Waiting Times: Liver Transplant by Blood Type
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Current Allocation Schema
Severity of Illness (Status) Allocation determined by: Blood Type Waiting time Size
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Live Donor Liver Transplant
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Living related liver transplant : Donor requirements
Unsolicited volunteer Family member (not necessarily blood relative) No clear medical contra-indications Size appropriate ABO matched Age <50 Normal liver, HIV negative
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Donor problems Biliary complications 6% Re-operation 5% Death <0.3%
Mean ICU Stay days Hospital Stay days Brown et al. AASLD 2001
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Recipient Issues Retransplant rate 2.5% Acute liver Failure 2%
Biliary complications 23% Arterial complications 8% Brown et al. AASLD 2001
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Common Problems after LT
Diabetes NODM 15% Osteoporosis Increased risk in cholestatic liver diseases, long term steroids Obesity Hypertension CNI Hyperlipidemia Sirolimus Neurological Headache- CNI Hematological Anaemia. HCV related Viruses CMV, EBV, Herpes viruses Malignancy Skin, all solid tumours, PTLD Renal Failure CNI
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What to watch for within the first week
Hepatic Artery thrombosis Portal Vein thrombosis Infections Bacterial/Viral/Fungal Drug toxicity Renal Impairment Acute cellular rejection
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Acute cellular Rejection
40-50% of recipients within 1st year post transplant Mainly in first month High AST/ALT/Alk phos Peripheral eosinophilia Diagnose on liver biopsy
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Histology ACR
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Infection post Transplant
Month 1 Nosocomial infection Bacteria and fungi 19-28% of patients have bacteremia Staph, Enterococcus (50-60%) Month 2-6 CMV
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CMV Herpesvirus Highest risk are recipients from CMV mismatch or Recipients of OKT-3/Thymoglobulin Without prophyllaxis (oral Valganciclovir), risk of symptomatic disease 64% Fever, leukopenia, hepatitis in up to 25% Pneumonitis, GI infection Predisposes: chronic rejection, worse HCV recurrence and fungal superinfection Treat with iv Ganciclovir/oral Valganciclovir for 3 months
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Biliary Complications “The Achilles heel of liver transplantation”
Late (> 30 days) Anastomotic stricture Nonanastomotic strictures Bile leak on T tube removal Sphincter of Oddi dysfunction Early (< 30 days) Anastomotic bile leak Anastomotic stricture Bile leak at T tube exit Obstruction of T tube Sphincter of Oddi dysfunction
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Post LT Cholangiopathy
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Disease Recurrence post transplant
HCV % 30% cirrhotic at 5 years HBV % without prophylaxis AIH/PBC/PSC % NASH Up to 80% Cholangiocarcinoma HCC dependant on tumor size Hemochromatosis
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Primary Diseases of Recipients
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Patient Survival Survival (%) Years post transplant
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Causes of Death ANZLT registry 2006.
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Q & A Orthotopic liver transplantation:
a. better prognosis in adults than children b. contraindicated in cholangiocarcinoma c. liver not viable >12 hr after harvesting d. external biliary drainage influences cyclosporin dosage e. outcome of Tx is independent of stage of liver disease
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Q & A A patient presents with hepatitis. ALT 3500
The least likely diagnosis a. panadol od b. alcohol c. Budd Chiari d. viral hepatitis e. ischaemic hepatitis
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Q & A What is the best predictor for oesophageal variceal bleeding? A. portal venous pressure B. Child Pugh Score C. Variceal size D. INR
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Q & A Female diacharged home after hemicolectomy. Husband brings her back 48 hours later with abdominal pain, jaundice, and anemia. What is the strongest predictor of increased mortality without liver transplant? A. raised bilirubin B. raised creatinine c. Raised AST d. Raised ALT e. PT 160
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Q & A 50 year old man with chronic liver disease with heaptitis B infection. Recent gastroscopy shows large oesophageal varicies. Alb 32 platelets 70 AFP 300 INR 1.4 CT shows localised mass in liver What is the best treatment/management? A. Chemoembolisation B. Liver transplant C. RFA D. Cryotherapy E. local rescetion
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