Abnormal LFTs in migrant populations
Transcript of Abnormal LFTs in migrant populations
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Abnormal LFTs in migrant populations
Dr Doug Macdonald
Consultant Hepatologist
Royal Free Hospital
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Migrants in London
www.migrationobservatory.ox.ac.uk
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Migrants in London
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Migrants in London
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Common liver diseases in migrant populations
• Viral Hepatitis
• Alcoholic liver disease
• Non-alcoholic steatohepatitis (NASH)
Diagnostic and treatment challenges specific to migrant populations
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Macedonian
Bulgarian
Scottish
English
Indian
Burmese
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Summary of Pathway • Isolated hyperbilirubinaemia – Gilbert’s. Exclude haemolysis
• Jaundice with other abnormal LFTs (Bilirubin>40) – urgent referral
• ALT>300 – urgent discussion and referral
• Cholestatic LFTs (raised GGT, ALP) or “hepatitic” picture (ALT<300) request
USS and liver “panel” then refer if abnormalities detected: HBsAg HCV Ab Autoantibodies Ferritin/ TF saturation Caeruloplasmin Immunoglobulins α1-antitrypsin • If normal screen for alcohol excess give lifestyle advice and monitor LFTs
• If fatty liver on USS is the only abnormality – see NAFLD pathway
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Liver disease with normal LFTs
Alazawi W et al. Br J Gen Pract 2014;64:e694-e702
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Alazawi W et al. Br J Gen Pract 2014;64:e694-e702
Prevalence of NAFLD, ALD, HBV and HCV in different ethnic groups within the
general population.
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NAFLD Pathway
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Summary of NAFLD Pathway
• Use the FIB4 test to identify patients at high risk of advanced fibrosis
( Age x AST ) / ( Platelets x √ALT )
• Non-invasive tests (e.g. ELF) for patients with intermediate FIB4 score
• High FIB4/positive non-invasive test should be referred to hepatology
• Low FIB4/negative non-invasive fibrosis test managed in primary care: • Treat metabolic syndrome components (hypercholesterolaemia,
diabetes, hypertension) • Lifestyle modification – diet , exercise, alcohol • Aim 10% weight loss • Annual LFTs and reassess fibrosis risk if LFTs remain abnormal
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Weight loss– a level playing field?
• 3 components: • Reduced calorie diet • Increased physical activity • Maintenance strategy (e.g. group monitoring)
• Tailored delivery by trained interventionalist (physical trainer, dietician,
psychologist) produces better weight loss than advice alone
• BUT – Short-term weight loss (6 months) almost always followed by slow regain of initial weight over 1-2 years
• No evidence for weight loss programmes tailored to ethnic or cultural minorities
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Weight loss– a level playing field?
Gill JM, Celis-Morales CA, Ghouri N. Physical activity, ethnicity and cardio-metabolic health: does one size fit all? Atherosclerosis. 2014 Feb;232(2):319-33.
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Alazawi W et al. Br J Gen Pract 2014;64:e694-e702
Alcohol
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ALD in the EU
WHO status report on alcohol and health in 35 European countries 2013
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Alcohol in Migrant Populations
Pattern Ethnic Group
Low rates of drinking but high consumption in drinkers
Pakistani men, mixed ethnicity men
High rates of drinking and high consumption
White ethnicities (Irish, Scottish, Polish, English), Sikh Men,
Low rates of drinking and low consumption in drinkers
Chinese, Bangladeshi, Hindu
Rising rates and consumption Indian women and Irish women of high socioeconomic status
Ethnicity and alcohol: A review of the UK literature. Middlesex University 2010
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Alcohol in Migrant Populations
• Rates and pattern of consumption in country of birth is a poor indicator
of alcohol consumption in the UK • Migrants adopt local consumption patterns
• 2nd generation not distinguishable from general population • Alcohol use associated with migration itself- social isolation, anxiety and
depression
Ethnicity and alcohol: A review of the UK literature. Middlesex University 2010
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Alcohol – screening and treating
A QOF for alcohol consumption screening and brief intervention? - Currently under development by NICE , but only in patients with
hypertension SIPS study: 3 cluster randomised controlled trials of brief interventions in primary care, emergency departments and probation services. Brief lifestyle counselling tool, patient information leaflet, Brief advice tool. Follow-up at 6 months and 12 months (AUDIT questionnaire)
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SIPS study in Primary Care
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Screening and treating the migrant population
EACH - Ethnic Alcohol Counselling Hounslow Eastern Europe Advice Centre – AA meetings for Polish-speaking attendees Tailored patient information leaflets?
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Marian Bogusz,“Stop Drinking! Come With Us and Build a Better Tomorrow”, 1952.
Jacek Cwikla, Untitled, 1984.
American Journal of Public Health | November 2010, Vol 100, No. 11
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Alazawi W et al. Br J Gen Pract 2014;64:e694-e702
Hepatitis B
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Primary Care Management of Viral Hepatitis B Guidance This guidance has been been developed in collaboration with local specialists in Camden and Islington This is to assist GPs in decision making and is not intended to replace clinical judgment
Newly Diagnosed Hepatitis BsAg positive patient
Perform following tests in primary care:
• FBC, INR • LFT (inc AST and ALT) & AFP • HBeAg, HBeAb, HBV DNA viral load • Hepatitis C, Hepatitis D • HIV (offer) • Ultrasound Liver scan
See next page for guidance regarding secondary care pathway
Refer to secondary care Document co-morbidities. Special attention to psychiatric, cardiovascular and immune
Attach all blood and US scan results
Offer testing and immunization of the household
Offer lifestyle advice regarding alcohol, obesity and hepatitis B Test for Hepatitis A and offer vaccination if not immune
Consider Urgent referral if • US demonstrates HCC • ALT> 300 • Evidence of
decompensated liver disease i.e. ascites/ encephalopathy, jaundice
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~350 million worldwide
>8%
2-8%
<2%
Adapted from Centre for Disease Control, USA
Hepatitis B
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Hepatitis B in Migrants
Late presentation (HCC, decompensated cirrhosis) Ethnicity confers additional HCC risk. 6 monthly AFP and USS: - Cirrhosis - Asian men >40 - Asian women >50 - African > 20 Do our responsibilities for contact tracing end at the border?
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Alazawi W et al. Br J Gen Pract 2014;64:e694-e702
Hepatitis C
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>10%
2.5-10%
1-2.5%
<1%
~150 million worldwide
Adapted from Centre for Disease Control, USA
Hepatitis C
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Primary Care Management of Viral Hepatitis C Guidance This guidance has been been developed in collaboration with local specialists in Camden and Islington This is to assist GP’s in decision making and is not intended to replace clinical judgment
Newly Diagnosed Hepatitis C antibody patient
Perform following tests in primary care including: • FBC, INR
• AFP, LFT’s (inc AST and ALT), TFT’s • HCV RNA viral load, HCV
Genotype • HIV (offer), HAV, HBV, HDV • Ultrasound Liver scan
See next page for guidance regarding secondary care
pathway
Refer to secondary care Document co-morbidities. Special attention to psychiatric, cardiovascular
and immune Attach all results
Offer hepatitis A testing and vaccination
Offer lifestyle advice regarding alcohol, obesity and hepatitis C
Consider Urgent referral if • US demonstrates HCC • ALT> 300 • Evidence of
decompensated liver disease i.e. ascites/ encephalopathy, jaundice
HCV antibody positive patient discharged post treatment (RNA negative)
Annual Review for Chronic Liver Disease • FBC, LFT’s, AFP
If rising LFT’s, follow abnormal LFT pathway and ensure relevant blood
tests done (do not need repeat genotype)
Abnormal Tests
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Hepatitis C in Migrants
Under-diagnosis
Under-treatment
Poor response to treatment
Not being tested at the point of care
Genotype 3 now the most difficult to treat, especially when cirrhotic
Unequal access to care, lack of awareness of new treatments, Poor information management by Secondary care.
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Summary
The study of migrant populations is inherently reductionist and often conflates ethnicity, genetics, country of origin and even religion. An awareness of prevalence in country of origin is useful for targeted screening, particularly for viral hepatitis, but this must encompass patients with normal LFTs Certain migrant populations are at greater risk of NASH and a lack of response to lifestyle interventions does not necessarily indicate non-compliance. Studies of drinking patterns in migrant populations are of questionable utility, but interventions for ALD may be more effective if tailored to the target population There is an urgent issue with unequal access to diagnosis and treatment of HCV