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DENGUE & DENGUE HEMORRHAGIC FEVER Kuliah Blok Kedokteran Tropis

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7/21/2019 Copy of Dengue Hemorrhagic Fever ( KULIAH )

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DENGUE & DENGUE

HEMORRHAGIC FEVER

Kuliah Blok Kedokteran Tropis

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INTRODUCTION

Dengue is a viral infection transmitted by mosquitoes, mainlythe Aedes aegypti species

 The virus is contracted from the bite of a striped Aedesaegypti mosquito that has previously bitten an infectedperson One mosquito bite can in!ict the disease

 There are four strains or serotypes of dengue virus namelyD"N#$, D"N#%, D"N#& and D"N#'  The mosquito !ourishes during rainy seasons but can breed in

(ater#)lled containers, year#round  The virus is not contagious and cannot be spread directly from

person to person There must be a person#to#mosquito#to#another#person path(ay

Dengue haemorrhagic fever  severe form of dengue *second attac+ by dengue virus of a dierent serotype from the)rst infection

*ppro-imately $. of patients (ith dengueinfection progress to dengue haemorrhagic

fever

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Dengue fever 

• Main hosts- non humanprimates

• Human-to-humantransmission through

 Aedes spp.

• 2.5 billion individuals atrisk

•!-"! million infe#tedea#h $ear %ith thousandsof deaths

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&ausative agent of Dengue&ausative agent of Dengue

Dengue is #ause b$ a '() virusDengue is #ause b$ a '() virus

•  This virus is a member of the viral famil$This virus is a member of the viral famil$

*laviviridae.*laviviridae.

Dengue virusDengue virus

Bauman+ '.+ ,2!!. Mi#robiolog$ disease b$ s$stems. /an *ran#is#o + &)0 1earsonBenamin &umming 1ublishers

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Dengue Virus1. Causes dengue and dengue hemorrhagic e!er

". I# is an ar$o!irus

%. ransmi##ed $' mos(ui#oes

). Com*osed o sing+e,s#randed RNA

-. Has ) sero#'*es DEN,1/ "/ %/ )0

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Dengue Virus•Each sero#'*e *ro!ides s*eciic +ie#ime immuni#'/

and shor#,#erm cross,immuni#'•A++ sero#'*es can cause se!ere and a#a+ disease•Gene#ic !aria#ion i#hin sero#'*es•2ome gene#ic !arian#s i#hin each sero#'*e a**ear

#o $e more !iru+en# or ha!e grea#er e*idemic *o#en#ia+

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3H4 I2 DENGUE 2UCH A 5IG

6RO57EM ODA48

G+o$a+ *o*u+a#ion

gro#h

Rura+ #o ur$an

migra#ion

Gro#h o ci#iesDe#eriora#ion o

ci#ies

9e# #ra!e+

Hea+#h ser!ices*oor+' organi:ed;

underunded

7ac< o !ec#orcon#ro+

*roessiona+s

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3lobal /pread of Dengue

Countries with active dengue +  Aedes aegypti  

-=,1== mi++ion inec#ions;'ear 

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/OR0D#/ID" D"N1U"DI2TRI3UTION

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3eograph$ distribution of3eograph$ distribution of

DengueDengue

  BBB

Blue dot0 3eographi# e4tension of dengue 2!!!-2!!Blue shaded areas0 'isk of dengue transmission6ines0 6ines demar#ate the area %here the ve#tor for dengue e4ists

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• 7H* and other

infe#tious diseasestravel 8ui#kl$no%ada$s

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Num$er o DHF Cases and Inec#ed Areas

in Indonesia 1>?@ "==%0

   9   '   p

  e  r   :   !

   ! +   !

   !   !

   (  o  o

   f   &   i   t  $   ;   D   i  s   t  r   i  #   t  s   9  n   f  e  #   t  e   d

Incidence Ra#e IR0No o Inec#ed Areas

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Dengue DHF0

Ou#$rea< inIndonesia "==)0

Ou#$rea< areas

6o#en#ia+ Ou#$rea< areas

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he mos# common e*idemic !ec#or o dengue in #he or+d is

#he  Aedes aegypti  mos(ui#o. I# can $e iden#iied $' #he hi#e$ands or s#ale patterns on i#s +egs and #horaB. 

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 Aedes aegypti 

•Dengue #ransmi##ed $' inec#ed ema+emos(ui#o

 •6rimari+' a da'#ime eeder 

 •7i!es around human ha$i#a#ion

 •7a's eggs and *roduces +ar!ae

*reeren#ia++' in ar#iicia+ con#ainers 

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 Aedes aegypti Aedes aegypti life #$#lelife #$#le

2- da$s

< da$s 2 da$s

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1.he !irus is inocu+a#ed in#o

humans i#h #he mos(ui#o

sa+i!a.

".he !irus +oca+i:es and

re*+ica#es in !arious #arge#

organs/ or eBam*+e/ +oca+

+'m*h nodes and #he +i!er.

%.he !irus is #hen re+easedrom #hese #issues and

s*reads #hrough #he $+ood #o

inec# hi#e $+ood ce++s and

o#her +'m*ha#ic #issues.

).he !irus is #hen re+eased

rom #hese #issues and

circu+a#es in #he $+ood. 

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-.he mos(ui#o inges#s $+ood con#aining #he !irus.

?.he !irus re*+ica#es in #he mos(ui#o midgu#/ #he o!aries/

ner!e #issue and a# $od'. I# #hen esca*es in#o #he $od'

ca!i#'/ and +a#er inec#s #he sa+i!ar' g+ands.

.he !irus re*+ica#es in #he sa+i!ar' g+ands and hen #he

mos(ui#o $i#es ano#her human/ #he c'c+e con#inues.

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The transmission #$#le of dengue virus b$ the mos8uito  Aedes aegypti  begins%ith a dengue-infe#ted person. This person %ill have virus #ir#ulating in the blood=a !iremia that lasts for about five da$s. During the viremi# period+ an uninfe#ted

female Aedes aegypti  mos8uito bites the person and ingests blood that #ontainsdengue virus. )lthough there is some eviden#e of transovarial transmission ofdengue virus in  Aedes aegypti + usuall$ mos8uitoes are onl$ infe#ted b$ biting a!iremic person.Then+ i#hin #he mos(ui#o+ the virus repli#ates during an eB#rinsic  in#ubationperiod of eight to t%elve da$s.

The mos8uito then bites a sus#eptible person and transmits the virus to him orher+ as %ell as to ever$ other sus#eptible person the mos8uito bites for the rest ofits lifetime.The virus then repli#ates in the se#ond person and produ#es s$mptoms. Thes$mptoms begin to appear an average of four to seven da$s after the mos8uitobite=this is the in#rinsic  in#ubation period+ i#hin humans. >hile the intrinsi#

in#ubation period averages from four to seven da$s+ it #an range from three to :da$s.The !iremia begins slightl$ before the onset of s$mptoms. /$mptoms #aused b$dengue infe#tion ma$ last three to :! da$s+ %ith an average of five da$s+ after theonset of s$mptoms=so the illness persists several da$s after the !iremia  hasended.

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Population

Infection

Clinical Cases

DHF/DSS

Asymptomatic

Infection

DF(non-DHF)

survive Death

5

!"

#

$%&

'#

"

%!

Fi% * +ates in ,enue mo,el

 y Shepar, et al% .accine% !$$" !!0*!'5-*!&$%

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Halstea, S1 et al% Am 2 3rop 4e, Hy *# *&0'-*$!*%

Ae-specific DHF/DSS hospitaliation in chil,ren an, infant%

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here are ac#ua++' our dengue c+inica+

s'ndromes

1.Undieren#ia#ed e!er

".C+assic dengue e!er

%.Dengue hemorrhagic e!er/ or DHF and

).Dengue shoc< s'ndrome/ or D22. 

Dengue shoc< s'ndrome is ac#ua++' a se!ereorm o DHF.

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C+inica+ Case Deini#ion or Dengue Fe!er 

  C+assica+ Dengue e!er or 5rea< $one e!er is an acu#e e$ri+e

!ira+ disease re(uen#+' *resen#ing i#h headaches/ $one or oin#

*ain/ muscu+ar *ains/rash/and +euco*enia

C+inica+ Case Deini#ion or Dengue Hemorrhagic Fe!er 

) Necessar' Cri#eria1. Fe!er/ or recen# his#or' o acu#e e!er

". Hemorrhagic manies#a#ions

%. 7o *+a#e+e# coun# 1==/===;mm% or +ess0

). O$ec#i!e e!idence o +ea<' ca*i++aries• e+e!a#ed hema#ocri# "= or more o!er $ase+ine0

• +o a+$umin• *+eura+ or o#her eusions 

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DENGUE

FEVER

• Incu$a#ion *eriod J - da's• Fe!er J - da's• 7eu<o*enia

• Modera#e #hrom$oc'#o*enia

2immons e# a+ 6hi+ 9 2ci ))1,"-"/ 1>%1

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&lini#al Manifestations- D*

• 91 of 2 ? da$s - t$pi#al patient develops

• /udden onset of fever+ #hills+ heada#he

• Ba#k pain %ith severe m$algia+ arthralgia• 'etro-orbital pain ? break bone fever 

• Ma#ular rash ? in a4illar$ area

•  )denopath$+ palatal vesi#les+ s#leral in.• Ma#ulo-papular rash on trunk ?e4tremities

• @pista4is and s#attered pete#hiae

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Ather manifestations- D*

•  )nore4ia. (ausea+ vomiting

• 9n apparent illness-to a#ute in#apa#itation

• 9llness is about 2?5 da$s+ biphasi# #ourse• 1ain on e$e movements

• 1ain on palpating abdominal mus#les

• 1rimaril$ not a respirator$ illness• 'are - asepti# meningitis

• &omplete re#over$ is the rule - asthenia

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Treatment of D*

• /upportive measures - 7e#tor barrier 

•  )void )spirin and if possible (/)9Ds

• /teroids should not be used

• *luid repla#ement to avoid hemo#on#.

• &hildren belo% :2 re8uire #areful %at#h

for DH* ; D//

• (o antiviral agents are of proven value

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DI2EA2E 26ECRUM

MI7D 2EVERE

DF DHFK hrom$oc'#o*enia KKK hrom$oc'#o*enia

Hidden Vasc. 6erm

1

8 O!er# Vasc. 6erm.

1. 3i++s 5A e# a+ 9 Inec# Dis 1>=@1=,@1@/ "==) 

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DENGUE HEMORRHAGIC

FEVER;DENGUE 2HOCL24NDROME DHF;D220

Dengue !ascu+o*a#h'

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Dengue Haemorrhagi# *ever,DH*

• 7as#ular instabilit$

• De#reased vas#ular integrit$

•  )ssault on ma#ro vas#ulature• De#reased platelet fun#tion

• 9n#reased vas#ular permeabilit$

• 7as#ular disruption and lo#al bleeds

• H$potension+ hemo#on#entration- sho#k

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&riteria for DH*

• Fever, or recent history of acute fever

• Hemorrhagic manifestations

• Low platelet count (100,000/mm 3 orless)

• !"ective evi#ence of $lea%y capillaries&' 

levate# hematocrit *0+ or more

more over !aseline or ≥ 50%

 6o% albumin+ pleural effusion

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Four Grades o DHF

3rade :*ever and nonspe#ifi# #onstitutional s$mptoms1ositive tourni8uet test is onl$ hemorrhagi#manifestation

3rade 2

3rade : manifestations spontaneous bleeding3rade C

/igns of #ir#ulator$ failure ,rapid;%eak pulse+narro% pulse pressure+ h$potension+

#old;#lamm$ skin3rade  

1rofound sho#k ,undete#table pulse and B1

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DH* ? &lini#al &riteria

his #hermome#er i++us#ra#es #he de!e+o*men#s in #he i++ness #ha# are

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his #hermome#er i++us#ra#es #he de!e+o*men#s in #he i++ness #ha# are

*rogressi!e arning signs #ha# D22 ma' occur.

he ini#ia+ e!a+ua#ion is made $' de#ermining ho man' da's ha!e *assed

since #he onse# o s'm*#oms.

Mos# *a#ien#s ho de!e+o* D22 do so %,? da's a#er onse# o s'm*#oms.

hereore/ i a *a#ien# is se!en da's in#o #he i++ness/ i# is +i<e+' #ha# #he ors#is o!er.

I #he e!er goes $e#een #hree and siB da's a#er #he s'm*#oms $egan/ #his is

a arning signa+ #ha# #he *a#ien# mus# $e c+ose+' o$ser!ed/ as shoc< o#en

occurs a# or around #he disa**earance o e!er.

O#her ear+' arning signs #o $e a+er# or inc+ude a dro* in *+a#e+e#s/ an

increase in hema#ocri#/ or o#her signs o *+asma +ea<age.I 'ou documen# hemoconcen#ra#ion and #hrom$oc'#o*enia and o#her signs

o DHF and #he *a#ien# mee#s #he cri#eria or DHF/ #he *rognosis and #he

*a#ien#s ris< ca#egor' ha!e changed. hough dengue e!er does no# o#en

cause a#a+i#ies/ a grea#er *ro*or#ion o DHF cases are a#a+.

he neB# concern ou+d $e o$ser!a#ion o #he danger signsse!ere

a$domina+ *ain/ change in men#a+ s#a#us/ !omi#ing and a$ru*# change rome!er #o h'*o#hermia. hese o#en hera+d #he onse# o D22.

he goa+ o #rea#men# is #o *re!en# shoc<. he *+asma +ea<age s'ndrome is

se+,+imi#ed. I 'ou can su**or# #he *a#ien# #hrough #he *+asma +ea<age *hase

and *ro!ide suicien# +uids #o *re!en# shoc</ #he i++ness i++ reso+!e i#se+.

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Hemorrhagic Manies#a#ions o Dengue•/kin hemorrhages0pete#hiae+ purpura+ e##h$moses•3ingival bleeding

•(asal bleeding•3astrointestinal bleeding0  Hematemesis+ melena+ hemato#heia •Hematuria

•9n#reased menstrual flo%

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&lini#al tests for DH*

• 1ete#hiae after tourni8uet test

• Avert bleed from previous 39 lesions

• 1latelet #ount less than :!!+!!!;ul

• 6o% pulse pressure+ #$anosis+ effusions

• H$potension+ /ho#k

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Tourni8uet Test

nflate !loo# pressure cuff to a point

mi#way !etween systolic an# #iastolicpressure for - minutes 

.ositive test& *0 or more petechiaeper 1 inch (*- cm) 

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Tourni8uet Test

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Hemorrhagi# Manifestations

• 2%in hemorrhages&petechiae, purpura, ecchymoses

• 3ingival !lee#ing

• 4asal !lee#ing• 3astrointestinal !lee#ing&

 hematemesis, melena, hematoche5ia

• Haematuria

• ncrease# menstrual flow

 

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1ete#hiae

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Danger 2igns in Dengue Hemorrhagic

Fe!er 

• )bdominal pain - intense and sustained•1ersistent vomiting• )brupt #hange from fever to h$pothermia+%ith s%eating and prostration

•'estlessness or somnolen#e 

 )ll of these are signs of impending sho#k andshould alert #lini#ians that the patient needs #loseobservation and fluids.

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C+inica+ Case Deini#ion or Dengue 2hoc< 2'ndrome•) cri#eria or DHF

K•E!idence o circu+a#or' ai+ure manies#ed indirec#+' $'

a++ o #he o++oing•Ra*id and ea< *u+se•Narro *u+se *ressure P "= mm Hg0 OR

h'*o#ension or age•Co+d/ c+amm' s<in and a+#ered men#a+ s#a#us

•Fran< shoc< is direc# e!idence o circu+a#or' ai+ure 

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D22 GRADE III

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&riteria for D//

• The four #riteria of DH*

• @viden#e of #ir#ulator$ failure

:. 'apid and %eak pulse

2. (arro% pulse pressue ,less than 2!mm

C. H$potension for the age

. &old #lamm$ skin5. )ltered mental status

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*our 3rades of DH*;D//

• 3rade :

*ever+ &onst. /$mptoms+ ve tourni8uet test

• 3rade 23rade : /pontaneous bleeding

• 3rade C

/igns of #ir#ulator$ failure• 3rade

1rofound sho#k - B.1. 1ulse not re#ordable

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&apillar$ Damage

@ h i 1 i bit l

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@##h$mosis ? 1eriorbital@dema

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6arge /ub#utaneous Bleed

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PEI = A / B x 100

1leural @ffusion

D22 GRADE IV

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D22 GRADE IV

dengue tourni8uet test DH*

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dengue tourni8uet test DH*

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DH* ; D//

9ntensive &are

A4$gen

'eh$dration

Barrier (ursing

Mos8uito /#reen

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DH*- 1oor 1rognosti# /igns

• 3irl #hildren under :2 %ith DH*;D//

• /evere h$potension and sho#k

• Multifo#al bleeding ? abdominal pain• &(/ en#epahlopath$+ fits+ #oma

• >at#h for preorbital edema+ proteinuria

postural or other%ise h$potension• /erot$pe 2 infe#tion after t$pe

• Malnutrition is prote#tive

M t f DH*;D//

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Management of DH*;D//

• &lose monitoring of h$potension;sho#k

• A4$gen administration

• 97. 9nfusion of #r$stalloids;#olloids

• 1latelet transfusion

• &lotting fa#tors repla#ement• &ase fatalit$ is 5E in good #enters

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*luid Balan#e

• &ontinue monitoring after deferves#en#e

• /erial hemato#rits+ B1+ Frine output

• *luid repla#ement is t%i#e the re8uirement

• :5!! ml 2 4 ,%eight-2! ? for ! kg %t.

@g. G:5!! 2 4 ,!-2! 4 2

I G:5!! ,24 ! 4 2  I ,:5!! "!! 4 2

I 2C!! 4 2 I !! ml I :! pints

Fnusual 1resentations of

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Fnusual 1resentations ofDengue

• @n#ephalopath$

• Hepati# damage

• &ardiom$opath$

• /evere 39 bleeding

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2igns and 2'm*#oms oEnce*ha+i#is;Ence*ha+o*a#h' Associa#ed i#h

Acu#e Dengue Inec#ion•De#reased level of #ons#iousness0  letharg$+ #onfusion+ #oma•/eiures•(u#hal rigidit$

•1aresis

Diff ti l Di i

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Differential Diagnosis

• *M #omple4

:. )ni#teri# leptospirosis

2. 'i#kettsial feversC. 9nfluena+ Measles+ 'ubella

• DH* ; D//

:. Ather hemorrhagi# fevers2. D9& due to septi#emia

C. &ompli#ated Malaria

. Meningo#o##emia

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6aborator$ Diagnosis

• &omplete Blood &ounts

• Hemato#rit

• 1latelet &ount

• /erum 3AT+ 31T• /erum )lbumin

• 1roteinuria+ hematuria

• 9mmunologi#al Tests

• &hest /kiagram

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6aborator$ Diagnosis

• 6eu#openia. Thrombo#$topenia

• 9n#reased /3AT+ /31T

• 'ising )b titre in paired sera

•  )ntigen dete#tion @69/)

• 9gM-#apture @69/) %ithin fe% hours

• 'everse trans#ription 1&' #onfirmator$

• 9g3 @69/) signifi#ant of past infe#tion

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7A5ORAOR4 CRIERIA

• I2O7AION OF DENQUE VIRU2

• INCREA2ED IgM OR IgM ANI5ODIE2 IRE2

• DENQUE ANIGEN DEECION 54IMMUNOHI2OCHEMI2R4/IMMUNOF7URO2CENCE/E7I2A

• 6CR

• 7EUCO6ENIA/HROM6OC4O6ENIA

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9mmuno Dete#tion Tests

@69/) 1late 9gM-#apture @69/)

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&ommon Mis#on#eptions- DH*

• Dengue bleeding I DH*

• DH* is fatal onl$ due to hemorrhage

(o Maorit$ of deaths are due to sho#k

• 1oorl$ managed D* turns into DH*

• 1ositive tourni8uet I DH*

it is not spe#ifi# for DH*+

it indi#ates #apillar$ fragilit$ of an$ origin

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More &ommon Mis#on#eptions

• DH* is onl$ a pediatri# illness ?

(o+  )ll ages ma$ be involved

• DH* is a problem of poor families ?

(o+ in fa#t the$ ma$ not have

immune #omple4es to re8uired level

• Tourists %ill get DH* ?

(o+ in fa#t the$ are at lo% risk

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9mmuniation

• @a#h serot$pe produ#es life long immunit$

• There is not effi#a#ious va##ine available

• 7a##ine needs to be tetravalent• 6ive attenuated va##ines possible

• /everal #andidate va##ines are on trials

• 9t ma$ be harmful to va##inate in vie%

of the pathogenesis of DH*;D//

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3H4 3O 24NDROME2/

5ENIGN and 2EVERE8

O$ser!ed in #o immuno+ogica+se##ings.

1. 6rimar' inec#ions in inan#s.

". 2econdar' inec#ions in chi+drenand adu+#s.

6RIMAR4 INFECION2

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6RIMAR4 INFECION2

C+inica+ Fea#ures

4 In chi+dren

DEN 1 & % mi+d i++ness

DEN " & ) no i++ness

4  In adu+#s

DEN 1 & % Disease;Inec#ion 1 g.i. hemorrhages

ma' accom*an' *e*#ic u+cer disease.

DEN " & ) , mi+d , modera#e

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o,inec#ions he e*idemio+ogica+ da#a

• DHF documen#ed in chi+dren S 1 'r0

ho circu+a#e inec#ion,ac(uireddengue an#i$od'. Four *ros*ec#i!e

cohor# and ? *ros*ec#i!e

*o*u+a#ion,$ased s#udies.

• In mos# s#udies/ DHF com*rises ",

- o secondar' inec#ions

DHF IN CHI7DREN 6RO26ECIVE

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DHF IN CHI7DREN 6RO26ECIVE 

COHOR 2UDIE2

References DHF/2o

Den Inf. DHF/10002o Den Inf. 

Russell et al, !"#H

1$%&00,1'&(

)/() )&.1

*angawi+ha et al, !

120%&-), 1'(

/112 )-.$

ure et al, !"#H

)(%1$2, 1'((

$/-' 11(.&

raha et al,

!"#H &1%12, 1'''

$/120 -(.)

DHF IN CHI7DREN

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DHF IN CHI7DREN

6RO26ECIVE 6O6U7AION,

5A2ED 2UDIE2References DHF/

2o Den Inf

DHF/1000

2o Den Inf

Halstead cad3ress 10$,1'(0 2-2(/12-,$2( 20.1

Russell et al !"#H

1(%&00,1'&(

))/2$00 12.2

*angawi+ha et al! 120%&-),1'(

1(/'20 1'.&

A26

DHF IN CHI7DREN

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6RO26ECIVE 6O6U7AION,

5A2ED 2UDIE2References DHF/2o

Den Inf

DHF/1000

2o Den Inf

u4an et al!"#H 2%1$',1''0 121)/  -',($- 20.)

"hein et al !"#H

-&%-&&,1''$

1)(/1(1 )).0

u4an et al !1-2%$'), 2000

202/(10 2.0

Es#a$+ished second inec#ion

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Es#a$+ished second inec#ion

se(uences +eading #o DHF

• " 1 hai+and Indonesia• % 1 hai+and• 1 " Cu$a/ 1>@1 Cu$a 1>> hai+and•

% " hai+and• ) " hai+and• 1 % Cu$a/ "==1 hai+and Indonesia• " % hai+and/ DF in Cu$a

• 1 ) hai+and• " ) Indonesia• % ) hai+and

/everal important features of dengue disease

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  /everal important features of dengue disease

• Dengue virus infe#tion #auses diverse disease spe#trum from

mild D* to severe DH*;D//.• Dengue disease #an o##ur in infant+ #hildren+ and adult.

• /evere DH*;D// is more prevalent in se#ondar$ infe#tion %ithdifferent serot$pe of dengue virus.

•  )ntibod$-dependent enhan#ement is h$pothesied to e4plainthe severe DH*;D// in se#ondar$ infe#tion.

• Thrombo#$topenia and plasma leakage are t%o maor#hara#teristi#s of DH*;D//.

• The pathogenesis of DH*;D// is not #learl$ demonstrated. Theprogression from D* to DH*;D// is not predi#table.

• /upportive #are is the onl$ %a$ to treat the DH*;D// patients.

• Dengue va##ine is not #ommer#iall$ available $et.

DI*1NO2I2

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Classic symptoms 5 high fever, a petechial rash(ith thrombocytopenia 6 relative leu+openia7decrease in the number of circulating /3C in the

blood8 /9O de)nition of D9: 5 :ever 9aemorrhagic tendency ;positive tourniquet test

7< than %= petechiae per square inch8,

spontaneous bruising, bleeding from mucosa,gingiva, in>ection sites, vomiting blood or bloodydiarrhea?

 Thrombocytopaenia ;@$==,=== platelets per mmA? "vidence of plasma lea+age ;rise in hematocrit

level < than %=.?

2erology 7identi)cation of antibodies in the bloodserum8 6 polymerase chain reaction 7BCR8  tocon)rm the diagnosis of dengue if clinicallyindicated

2BTO2

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2BTO2 2udden high fever 7&E#'$FGC8

  for % to H days 9eadache Bain behind the eyesuscle pain, >oint pain, bone

pain 7brea+#bone fever8

*fter $ to % days of fever, thepatient develops initial rash(ith discoloured spots, oftendescribed as Isles of (hite ina sea of redJ

2econd rash may develop topalms and soles, and s+inmay peel o 7desquamate8 6body temperature drops

TR"*T"NT2

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 TR"*T"NT2

No speci)c antiviral treatment, only supportivetreatment is given to such patients

If the patient is dehydrating, adequate !uids areto be ta+en

Intravenous !uid is administered if the patient isunable to maintain oral inta+e

:or severe body ache, pain+illers may be needed :or severe headache and for >oint and muscle

pain, acetaminophenKparacetamol and codeinemay be given

If there is signi)cant bleeding, blood or platelettransfusion (ill be carried out

Note : Aspirin should be avoided as this drugmay worsen the bleeding tendency (becauseof its anticoagulant eects & the increasedrisk of developing Reye syndrome)

BR"L"NTION2

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BR"L"NTION2

2TR*T"1I"2

Individual roles. Beople are urged toempty stagnant (ater from old tires,

trash cans 6 !o(er pots Mosquito control. Blace larvicide eg*bateM or any other suitable insecticidesinto any e-posed (ater container Usemosquito repellant sprays that containNND3 or D""T

Enforcement. 0ocal authorities froministry of 9ealth conduct on#site chec+ 6destroy larvae at residential premises 6construction sites :ines may be imposedon the o(ner of properties

There is currently no vaccineavailable for the dengue fever.

BR"L"NTION2

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BR"L"NTION2

Fogging with insecticide. :ogging(ould be carried out by localauthorities in housing area (here % ormore cases of dengue fever arereported (ithin one (ee+

Information. In Nov %==H, theinistry of 9ealth carried out a ma>orcampaign against *edes During thecampaign free pac+ages of *bateM(ere distributed 0ea!ets 6 brochuresto inform the public on (ays toprevent 6 curb *edes breeding aredistributed

Awareness campaign. 2chools 6local communities are encouraged tocarry out communal cleaningactivities Bublic a(arenesscampaigns through strategicallyplaced posters 6 televisionadvertisements are also done

Do the 10-Minute Mozzie Wipe-out everyday.Do the 10-Minute Mozzie Wipe-out everyday.

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Remove water from flowerpot plates onalternate days.

Do the 10-Minute Mozzie Wipe-out everyday.Do the 10-Minute Mozzie Wipe-out everyday.

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Change water in vases on alternate days.

Do the 10-Minute Mozzie Wipe-out everyday.Do the 10-Minute Mozzie Wipe-out everyday.

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Turn over all pails and waterstorage ontainers.

Do the 10-Minute Mozzie Wipe-out everyday.Do the 10-Minute Mozzie Wipe-out everyday.

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Cover !am!oo pole holderswhen not in use.

Do the 10-Minute Mozzie Wipe-out everyday.Do the 10-Minute Mozzie Wipe-out everyday.

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Clear !lo"ages and put #ti insetiide in roofgutters monthly.

$nwanted items$nwanted items

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Do not litter. Ru!!ish suh as upsand !ottles an ollet rain water

and !reed mos%uitoes.

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J LNO