acute viral hepatitis
DESCRIPTION
ACUTE VIRAL HEPATITIS. CLINICAL PRESENTATION. DIGNOSIS. EPEDEMOLOGY OF VIRAL HEPATITIS INFECTION A,B,C IN KSA. MANAGEMENT . Diagnosis of hepatitis. Patient history Physical examination Liver function tests Serologic tests. Symptoms and Signs. Pre-icteric phase Anorexia Fatigue - PowerPoint PPT PresentationTRANSCRIPT
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ACUTE VIRAL HEPATITIS
CLINICAL PRESENTATION.DIGNOSIS.EPEDEMOLOGY OF VIRAL
HEPATITIS INFECTION A,B,C IN KSA.
MANAGEMENT.
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Viral Hepatitis - OverviewViral Hepatitis - Overview
AA BB CC DD EESource ofvirus
feces blood/blood-derived
body fluids
blood/blood-derived
body fluids
blood/blood-derived
body fluids
feces
Route oftransmission
fecal-oral percutaneouspermucosal
percutaneouspermucosal
percutaneouspermucosal
fecal-oral
Chronicinfection
no yes yes yes no
Prevention pre/post-exposure
immunization
pre/post-exposure
immunization
blood donorscreening;
risk behaviormodification
pre/post-exposure
immunization;risk behaviormodification
ensure safedrinkingwater
Type of HepatitisType of Hepatitis
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Diagnosis of hepatitis
Patient historyPhysical examinationLiver function testsSerologic tests
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Symptoms and Signs Pre-icteric phase
1. Anorexia2. Fatigue3. Nausea4. Vomiting5. Arthralgia6. Myalgia7. Headache8. Photophobia9. Pharangitis10. 11.
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Icteric phase::1. Enlarged liver2. Tender upper quadrant3. Discomfort4. Splenomegaly (10-20%)5. General adenopathy
Post-icteric phase
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Lab Findings
1. L FT increase >5-10 times of normal2. Markers of hepatitis B or C or A might be
positive
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Case report.
30/9/13Ahamed ,50y.teacher,living in jazan. abdominal discomfort, nausea, lose of appetit,coloration of urine.Exam. Marked jaundice.
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Lab. result
30/9/13 :ALT 1745 U/L(40) AST 990 U/L (17-59)BIL.9.5MG/DL (0.0-1.4)PLT:267000(150000-400000)
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Lab. result
28/10/113 :ALT 185U/L(21-72) AST 41 U/L (17-59)ALKALINE PHOSPHATASE 247.0 U/L.YGT 97,0U/LBIL.1.4MG/DL (0.0-1.4)ALB.3.6 g/l(3.5-5.0)PT 14,8.6 (10-14)
PLT:88000(150000-400000)
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Lab. result
22/2/12 :ALT 176 U/L(21-72) AST 61 U/L (17-59)ALKALINE PHOSPHATASE 47 U/L.YGT 64U/L(15.0-73)BIL.2.4MG/DL (0.0-1.4)ALB.3.7 g/l(3.5-5.0)PT
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DD:
1. Infectious Mononucleosis2. Drug Induced Hepatitis3. Chronic Hepatitis.4. Alcohol Hepatitis5. Cholecystitis, Cholelithiasis6-Auto-immun hepatitis
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MARKERS OF VIRAL HEPATITIS
HBV MARKERSHCV MARKERSHAV MARKERS
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Hepatitis B Markers
anti-HBc exposure (IgM = acute) HBsAg infection (carrier)anti-HBs immunityHBeAg viral replication anti-HBe seroconversionHBV-DNA viral replication
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Hepatitis C Markers
ANTI -HCVPCR-RNA HCV
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Hepatitis A Markers
HAV igMHAV igG
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Hepatitis E Markers
HEV igMHEV igGHEV RNA PCR
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AUTOIMMUN HEPATITIS MARKERS
ANAANTI MITOCHONDRIAL ABANTI SMOOTH MUSCLES ABS.
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AUTOIMMUN HEPATITIS MARKERS
ANA (1:1280)ANTI MITOCHONDRIAL AB(1:400)ANTI SMOOTH MUSCLES ABS.(1:400)
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FINAL DIAGNOSIS
ACUTE AI HEPATITIS
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MANAGMENT
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INCIDENCE OF ACUTE HEPATITIS IN 5 HEPATOLOGY CLINICS IN KSA 2013
Causes of Hepatitis
HAV HBV HCV AIH DILI
KKUH 7 3 1 11 ?
NGH 10 5 2 8 8
AMC 1 0 0 3 3
KFH 1 2 0 3 ?
DAMMAM UN.
2 1 0 1 5
TOTAL 21 11 4 26 16
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Complications
1.Chronic hepatitis cirrhosis- HCC
2.Fulmnant hepatitis
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FULMINANT HEPATITIS
Definition: Hepatic Failure Within 8 Weeks Of Onset Of Illness.Manifestation: Encephalopathy and Prolonged PTHistopathology: Massive Hepatic Necrosis.
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Hepatitis B - Clinical FeaturesHepatitis B - Clinical Features• Incubation period: Average 60-90 days
Range 45-180 days• Clinical illness (jaundice): <5 yrs, <10%
5 yrs, 30%-50%• Acute case-fatality rate: 0.5%-1%• Chronic infection: <5 yrs, 30%-90%
5 yrs, 2%-10% • Premature mortality from
chronic liver disease: 15%-25%
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Natural History
Gow, BMJ 2001
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• Sexual
• Parenteral
• Perinatal
Hepatitis B Virus Modes of Transmission
Hepatitis B Virus Modes of Transmission
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Concentration of Hepatitis B Virus in Various Body Fluids
Concentration of Hepatitis B Virus in Various Body Fluids
High ModerateLow/Not
Detectable
blood semen urineserum vaginal fluid feces
wound exudates saliva sweattears
breastmilk
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Possible transmission route of HBV in KSA
1-Horisontal transmission (person to person) is the main transmission route 2-Perintal transmission (positive HBSAG mothers) especially if they are HBEAG positive3- Heterosexual transmission 4-Illegal injection drug use 5- Contaminated equipment used for therapeutic injections and other health care related procedures6- Folk medicine practice 7-Blood and blood products transfusion without prior screening
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HBV INFECTIONbefore and after
vaccination program
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OVERALL PREVALENCE OF HBsAg AMONG SAUDIS IN THE 80’S ACCORDING TO REGIONS
5.5
8.99.6
8.3
0
2
4
6
8
10
Central (n=6649) South-western(n=7235)
Eastern(n=8300)
Total (n=32183)
Posi
tivity
(%)
Al-Faleh. Annals of Saudi Medicine, 1988
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PREVALENCE OF HBeAg AMONG HBsAg POSITIVE SAUDIS PREGNANT WOMEN (n = 20920)
3.7
5.4
0
1
2
3
4
5
6
% of HBsAg pos. % of HBeAg Pos.
Al-Faleh, Annals of Saudi Medicine, 1988
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FREQUENCY OF HBeAg AMONG HBsAg POSITIVE SAUDI CHILDREN (n=307)
17.2
19.4
17.1
17.9
15.5
16
16.5
17
17.5
18
18.5
19
19.5
Perc
ent
1-3 years(93/16)
4-6 years(103/20)
7-10 years(111/19)
Total(307/55)
Al-Faleh et al. Journal of Infection, 1992
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PREVENTION STRATEGIES OF MINISTRY OF HEALTH IN KSA
Introducing HBV vaccine in EPI program; and
Mandatory screening of blood donors and expatriates.
Vaccination of risk groups.
Health education especially among medical personnel.
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History of HBV infection control in KSA
Vaccination of All infants
At birth
Vaccination of all children
at school entry
vaccination of All risk groups
mandatory
Screening of all Expatriates coming
To work in KSA
1989 1990 - until now
1990 - until now1990
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THE CURRENT EPI IN THE KINGDOM OF SAUDI ARABIA
1. At birth BCG + HB12. At 6 weeks DPT1 + OPV1 Hb23. At 3 months DPT2 + OPV24. At 5 months DPT3 + OPV35. At 5months Measles HB36. At 12 monthsMMR7. At 18 months(DPT + OPV) Booster 18. At 4-6 years (DPT + OPV) Booster 2
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COMPARISON OF PREVALENCE OF HBsAg AMONG SAUDI CHILDREN IN 1989 (n=4575) AND 1997 (n=5355) – ACCORDING TO AGE
9.68
0 0
6.54
0.16
7.24
0.3
5.06
0
6.35
0
7.57
0.2
6.51
0.82
7.2
0.93
5.81
2.31
0
66.71
0.310
2
4
6
8
10
Perc
enta
ge
1 2 3 4 5 6 7 8 9 10 11 12
Tota
l
(Age in years)
1989 1997Al Faleh, J Infect 1999
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COMPARISON OF PREVALENCE OF HBsAg AMONG SAUDI CHILDREN IN 1989 (n=4575)
AND 1997 (n=5355) – ACCORDING TO REGION
8.63
0
3.48
0.52
2.87
0
5.83
0.83
5.71
0
10.29
1.52
7.59
0
8.83
0.77
5.22
0
9.04
0
12.67
0.47
3.14
0
3.73
0.3
7.53
0
6.71
0.31
-1
1
3
5
7
9
11
13
Perc
enta
ge
Riy
adh
Qas
sim Hai
l
Mak
kah
Med
ina
Ase
er
Al-B
aha
Giz
an
Naj
ran
Al-J
ouf
Tabo
uk
Dam
mam
Jedd
ah Taif
Tota
l
1989 1997
Al Faleh, J Infect 1999
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Prevalence Of HBsAg Among Saudi Population Before & After Vaccination over 18 y
6.70%
0%0.16%
0%0%
2%
4%
6%
8%
10%
1989 1992 1997 2007/8
After
Before
1-10yr4575
1-2yr637
1-12yr 3666
Agenumbers
16-18yr1365
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Long Term Seroconversion Rate Over 18 Years (Anti-HBS)
95%
77%
60%
0%
20%
40%
60%
80%
100%
1992 1997 2007/8
*Al Faleh et al Annals of Saudi meds 1993 **Al Faleh et al Journal of infection 1999
***AlFaleh et al journal of infection2008
1-2yr637
1-12yr3666
16-18yr 1365
AgeN
*
***
**
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Long-Term protection of HB- vaccine over 18 years ( anti-HBS>10IU/L)(n=1355)
93%(637)
65%(3666)
38%(1365)
0%
20%
40%
60%
80%
100%
1992 1997 2007/81-2yr
5 1-8yr
13 16-18yr
3 Age
Region
AL Faleh et al, J Infection 2008
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CHANGING PATTERNS OF HBsAg POSITIVITY AMONG BLOOD DONORS IN MOH,CENTRAL
BLOOD BANK 1994-20054.4
3.25
1.5
00.5
11.5
22.5
33.5
44.5
1994n=9690
2000n=91695
2005n=177037
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4.7
3
1.41.97 1.7
2 2.2
1 1 0.8 0.780.65
0
0.5
1
1.5
2
2.5
3
3.5
4
4.5
5
Posi
tivity
%
PREVALENCE OF HBsAg POSITIVITY AMONG BLOOD DONORS IN KKUH FROM 1987 TO 2008
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HCV INFECTION
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Transmission of HCV Percutaneous
– Injecting drug use– Clotting factors before viral inactivation– Transfusion, transplant from infected donor – Therapeutic (contaminated equipment, unsafe
injection practices)– Occupational (needlestick)
Permucosal– Perinatal– Sexual
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Features of Hepatitis C Virus InfectionFeatures of Hepatitis C Virus Infection
Incubation periodIncubation period Average 6Average 6--7 weeks7 weeksRange 2Range 2--26 weeks26 weeks
Acute illness (jaundice)Acute illness (jaundice) Mild (Mild (<<20%)20%)Case fatality rateCase fatality rate LowLowChronic infectionChronic infection 75%75%--85%85%Chronic hepatitisChronic hepatitis 70% (most asx)70% (most asx)CirrhosisCirrhosis 10%10%--20%20%Mortality from CLDMortality from CLD 1%1%--5%5%
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*Reported in U.S.
Household Transmission of HCV
Rare but not absent Could occur through percutaneous/mucosal
exposures to blood– Theoretically through sharing of contaminated
personal articles (razors, toothbrushes)– Contaminated equipment used for home therapies
• Injections*• Folk remedies
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Sexual Transmission of HCV
Occurs, but efficiency is low– Rare between long-term steady partners– Factors that facilitate transmission between
partners unknown (e.g., viral titer) Accounts for 15-20% of acute and chronic
infections in the United States– Sex is a common behavior – Large chronic reservoir provides multiple
opportunities for exposure to potentially infectious partners
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* Reported in U.S.
Nosocomial Transmission of HCV
Recognized primarily in context of outbreaks Contaminated equipment
– hemodialysis*– endoscopy
Unsafe injection practices– plasmapheresis,* phlebotomy– multiple dose medication vials– therapeutic injections
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Natural history
Marcellin, J Hepat 1999
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1989 1997 2008
No. of children Positive(%) No. of
childrenPositive
(%)No. of
students Positive(%)
4496 39*)0.87%( 5350 2**
)0.04%( 1357)5(3
0.22%
Diagnostic test only by
1st-generation EIA kit .
Diagnostic test by3rd-generation EIA
kit and confirmatory test by RIBA kit.
Diagnostic test byPCR for anti- HCV
Positive cases.
Overall prevalence rate of HCV infection in KSA among children and adolescent during the last
18 yrs.
* ALFaleh et al. Hepatology 1991** ALFaleh Ann Saudi Med. 2003
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Prevalence of HCV Positivity Among Different Saudi population
Type of patient number Prevalence(%)
Children from 1-18y 3854 0.1
Pregnant women 3127 0.7
Hemodialysis patients 29054 55.8
Drug addicts 9137 14
Shobokshi et al , SMJ 2003
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Prevention Of HCV Transmission
Avoiding shared use of Razors or brushes and any item that pierces the skin.Strict adherence of the universal precautions in health facilities.Educating and training of HCW’s to the proper use of standard precautions Folk medicine?!
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HAV INFECTION
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COMPARISON OF PREVALENCE OF ANTI-HAV AMONG SAUDI CHILDREN IN 1989 (n=4375) AND 1997 (n=5255) –
ACCORDING TO AGE
23.7
13.4
34.8
17.6
41.6
20.3
43.9
23.4
48.5
24
54.1
26.7
59.8
28
59.7
30.6
63.5
33.1
72.6
34.5
26.4
48.850.5
24.9
0
10
20
30
40
50
60
70
80
Perc
enta
ge
1 3 5 7 9 11 Total
(Age in years)
1989 1997
Al-Faleh et al. Saudi Med. J, 1999
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COMPARISON OF PREVALENCE OF ANTI-HAV AMONG SAUDI CHILDREN IN 1989 (n=4375) AND
1997 (n=5255) – ACCORDING TO REGION
39
16.1
62.7
31.6
56
20.4
55
20.1
59.5
28.2
44.5
19
43.6
25.4
81.682.279.1
51.3
64.4
47.9
76
45.638.4
18.2
51.1
17.5 19
9.6
50.5
24.9
1112131415161718191
Perc
enta
ge
Riy
adh
Qas
sim
Hai
l
Mak
kah
Med
ina
Ase
er
Al-B
aha
Giz
an
Naj
ran
Al-J
ouf
Tabo
uk
Dam
mam
Jedd
ah Taif
Tota
l
1989 1997
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PREVALENCE OF ANTI-HAV IN SAUDI CHILDREN IN 1997 ACCORDING TO SEX
25.7524
0
5
10
15
20
25
30
Perc
ent
Male (n=2642) Female (n=2713)No. of children = 5355
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PREVALENCE OF ANTI-HAV IN SAUDI CHILDREN IN 1997 ACCORDING TO LOCATION
20.98
33.04
05
101520253035
Perc
ent
Urban (n=3635) Rural (n=1715)No. of children = 5255
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AGE SPECIFIC PREVALENCE OF ANTI-HAV IN SAUDIS FROM RIYADH, CENTRAL REGION
Age(Years)
1986 1994P
No. Positive/ No. Tested % No. Positive/
No. Tested %
1 – 9 103/194 53.0 81/210 38.6 3.4 x 10.3
10 – 19 164/193 85.0 110/180 61.1 1 x 10.4
20 – 30 182/200 91.0 188/240 78.3 3 x 10.4
Total 449/587 76.5 379/630 60.2 1 x 10.4
Arif et al. Saudi J Gastroenterology, 1995
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Changing pattern of Hepatitis A prevalence within the Saudi population over 18 yrs
53
24.318.1
0
10
20
30
40
50
60
1989 1999 2008
Age Region
1-10 YRS 13
1-12 yrs 13
16-18 yrs 3
*
** ***
*AlRashed R. Ann SM 1997** AlFaleh et al SMJ 1999*** AlFaleh et al WJG 2008
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