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Page 1: Kuliah Nyeri

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NYERI/ PAIN

Dr Candida Isabel Lopes Sam SpS

RSUD TC Hillers Maumere

1

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Definisi (Merskey, 1986)

Suatu rasa tidak menyenangkan

dan pengalaman emosional

disertai kerusakan jaringan yangnyata atau yang potensial atau

yang digambarkan dalam

kerusakan demikian.

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!

  Di AS : 75-80 juta penderita nyeri kronik,

diantaranya:

  35 juta Nyeri Punggung Bawah ronik

  !0-!5 juta arthriti" dengan

#00$000 ka"u" %aru pertahun

  &' tota( penduduk )enderita nyeri

neuropatik di (uar NPB

  *ota( penge(uaran #5-75 )i(yar +S Do((ar 

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Persepsi nyeri

Masing masing indi"idu

mempunyai ambang nyeri yang

berbeda# bila ambang ini

terlampaui# baru indi"idu

tersebut akan merasakansensasi $yeri.

%

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&

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'

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HEAT

CHEMICAL

PRESSUREBRAINPANASPEGELPERIH

Modifikasi Meliala, 2003

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Activation

External

Stimuli

Heat

Mechanical

Chemical

VR1Ca2+

mDEG

P2X3

Generator potentials

action potentials

Voltage gated odium cha

Pain and auto!eniti"atio

#ool$ % Mitchel& 2''1

TRANSDUCTION

 (T)

$a*

Modifikasi Meliala, 2003

PAINPAIN

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Heat

Cold

Intense

Force

Mechanical

Heat

Cold

PainAutonoic Res"onse#itdra$al Re%e&

Nocice"tor sensor' neuron

NOCICEPTI(E PAIN

No&ius Pheri"heral Stiuli

S"inal cord

Brain

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Macro"ha)e

Neutro"hilGranuloc'te

Tissue Daa)e

S"ontaneous PainPain H'"ersensiti*it'

  Reduced Threshold +Increased Res"onse +

Nocice"tor sensor' neuron

INFLAMMATOR, PAIN

In%aation

S"inal cord

Mast Cell

Brain

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S"ontaneous PainPain H'"ersensiti*it'

Peri"heral Ner*eDaa)e

NEUROPATHIC PAIN

S"inal cord In-ur'

Brain

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Noral Peri"heral

Tissue and Ner*es

FUNCTIONAL PAIN

A.noral CentralProcessin)

S"ontaneous PainPain H'"ersensiti*it'

Brain

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Increased neuronal acti*it

(rain

)oral horn*ncreaed, releae

-A(A

AMPA

.1

C ! /0er M)A

Ectoic

Ehatic

Srouting

Neuropathy

Smatheticnervou tem

Inflammation

Senitiation and activation

C ! /0er-4

SP& C-RP

Vasodilation + plasma extravasation

A,P& (5 

6!H,

Pg& H+

(lood

Veel

)amage "one

Rahman&et al 2''3

Pain Medicine % Palliative care vol72&3 2''3Modifikasi Meliala, 2005 

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5*

N

A../N

SP-1+*A2A*N+/N */ANS24S4

DSNDNSB/A4N

Meliala, 2005 

DESCENDING INHIBITION

ornu Dor"a(i"

DESCENDING

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Pain

2e""age

 (++erent C +ibers

)ain transmitter 

$eurone o+ t,e

Spinot,alami- tra-t

*o

 the %rain

µRe-eptor 

Spinal neurone

/nkep,alin

αRe-eptor 

Serotonin0

$oradrenaline

 D e s - e n d i

 n g  p a t , 1 a y

T,eraupeuti- (pproa-,es o+ )ain Management# 22%

N PA4N

Meliala, 2004

DESCENDINGINHIBITION

ornu Dor"a(i"

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Depre""io

An6ietyAnger 

.ear 

No6iou" Sti)u(i

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  P                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            S                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             Y                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           C          

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  H                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           O                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            L

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           O                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     G                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            I                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           C                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     A

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  L

 NOCICEPTIVE

A

B

214A1A !00

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13

 N.N. Berdasarkan Patofisiologinya

NYERI

4linis

Seder,ana 5+isiologik6

In+lamasi

$europatik

 

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17

  Afferent in!t

SP Gl!ta"at

A#PA

 N$%

Postsynati& o!t!t

 Nor"al sensi'ility

 Stimuli ,ilang ⇒ $yeri ,ilang

 Intensitas nyeri tergantungintensitas stimuli

 Dapat membangunkan0 mengakti+asi8

  9it,dral 0 re+le:

  Sistem otonom  4easpadaan

  /mosional

  Respon neuro,umoral

 Nyeri Seder(ana

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1;

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A&!te PainA&!te Pain )#&*!ay + #oore, %---)#&*!ay + #oore, %---

 ,REA,ME, ME,H8)S

Remove the cause

Of painMedication Regional

analgesiaPhysical

methods

Psychological

approaches

•Surgery•Splinting

  Low Tech•Nerve blocks•Local anaesthetic

 ± opioid 

High Tech

•Epidural infusion•Local anaesthetic

 ± opioid

•physiotherapy•manipulation•TEN•!cupuncture•"ce

•rela#ation•psychopro$

phyla#is•hypnosis

Non-opioid•!spirin % others

  N!"&•Paracetamol•combinations

  Opioid•Morphine

•others

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C(roni& PainC(roni& Pain )#&*!ay + #oore, %---)#&*!ay + #oore, %---

TREATMENT METHODS

Analgesics Bloc ner!e trans"ission Alternati!es

 #on!entional

•NSA$D

 %araseta"ol

to opioid

&ncon!entional•antidepressant•anticon!ulsant•others

Re!ersi'le•Local anaesthetic

 steroid

 

opioid

$rre!ersi'le•surgery•Ner!e destruction

•Sti"ulators•Acupuncture•Hypnosis•%sychology

AA9-ES*C ME)*CA,*8S

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AA9-ES*C ME)*CA,*8S

PR*MAR: AA9-ES*CSAcetminohen

Protaglandin nthei inhi0itor Saliclate ,raditonal SA*) C8X!2!elective SA*) ;coxi0<

 ,ramadol8ioid ,raditionalMixed

AD/U(ANT MEDICATIONS= Antidereant= Anticonvulant= 9ocal anethetic= Micellaneou agent

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!

Dr Candida Isabel L Sam SpS

RSUD dr TC Hillers Maumere

 yeri Neuropati

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%

D/<I$ISI 8 $yeri $europatik 8

nyeri yang di da,ului ataudisebabkan ole, lesi ataudis+ungsi primer pada sistem

sara+ 

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&

  Nyeri : pengalaman sensorik dan emosional

  yang tidak menyenangkan.  $.$ 8 kurang peka t,d. analgetik 0$S(ID#  sukar di terapi# -enderung mena,un

  Terapi kausal kd tdk mungkin sebabetiologi suda, berlalu atau sembu,# akantetapi nyeri tetap mengganggu.

 

  Terapi rasional berdasarkan pato+isiologinya  5$i-,olson# 222= (ttal# 222= Sera# 1;;;# 9ool+# 1;;;6

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'

/TI>L>?I 8/ "eta'olik  / isk(e"ik  

/ ko"resi/ tra!"a/ toksik  / infeksi/ as&a oerasi/ i"!nologi/ dll

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3

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7

)(T><ISI>L>?I./  0!ngsi sensorik nor"al dierta(ankan se&ara

aktif ole( ke sei"'angan antara ne!ron dan

lingk!ngannya.

/ Lesi saraf 1 er!'a(an "olek!l ada saraf teidan ne!ron se(at sekitarnya.

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;

 Nyeri2.

Ter3adi ole( karena gangg!an kesei"'angan

eksitasi dan in(i'isi

Eksitasi In(i'isi

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!2

  Mekanisme

)eri+er 

@ (kti"itas ektopik@ Sensitisasi nosiseptor @ Interaksi abnormal

  antar serabut sara+ @ Sensitisasi ter,adap

  katekolamin

Mekanisme

Sentral@ Sensitisasi sentral@ Disin,ibisi

 

N/4

N+/PA*4

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!1

Timbulnya $yeri

Spontan

Hipersensiti+itas

)aroksismal

4ontinyu

 (lodinia

Hiperalgesia

Sekunder 

)rimer 

 

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!

M($I</ST(SI 4LI$I4 81$Nyeri Spontan9 tanpa "ti)u(u" 8 spt terbakar# menyentak# tikaman dll.

$Nyeri dengan "ti)u(u".

(lodinia 8 nyeri yang disebabkan ole, stimulus yang se-ara normal tidak

menimbulkan nyeri. Hiperalgesia 8 respon berlebi,an ter,adap stimulus yang se-ara normalmenimbulkan nyeri.

Disestesia 8 sensasi abnormal yang tidak menyenangkan baik bersi+atspontan atau dengan pen-etus.

4ausalgia 8 sindroma nyeri seperti terbakar# alodinia# ,iperpatia seringkalidisertai dis+ungsi "asomotor dan sudomotor serta gangguan tro+ik.

Hiperpatia 8 nyeri abnormal ter,adap stimulus# k,ususnya ter,adapstimulus berulang=

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!!

T(T( L(4S($(4 Pengo'atan rasional 1 e"a(a"an atofisiologinya.

4 5eson engo'atan dan ESO 'ersifat indi6id!al.

4 Pengo'atan NN sering "e"erl!kan 7akt! yangla"a se(ingga erl!1

  / ker3a sa"a yg 'aik dengan enderita./ e"anta!an ESO/ ter3angka! (arganya.

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!%

PE GELOLAA YERI DARI MASA E

MASA

  on"ep ounter Sti)u(ation;

Pra"ejarah

  Akupuktur 500 tahun yang (a(u

  piu), odein, A"pirin A%ad ke &<

  *eori Pintu er%ang &<#5

  Da"ar : *en", Dor"a( o(u)n

"ti)u(ation

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!&

 Nyeri $ronik1 Inter6ensi Nyeri $ronik1 Inter6ensi

#etode Terai

Analgesik 

Blok Trans"isi

Saraf  Alternatif 

 Analgesik 8 NSAI9

 Paraseta"ol

4 oioid

8A3!6an analgesik 8Antideressan8Antikon6!lsan

8Lain4lain

5e6ersi'el8Anestesi lokal

±steroid

±oioid

Ire6ersi'el8Oerasi89estr!ksi saraf  8Sti"!lator 

8Ak!!nkt!r 8Hinosis8Psikologi

)#&*!ay + #oore, %---)#&*!ay + #oore, %---

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!'

TERAPI STANDAR 

:nt!k nyeri nosisetifak!t "a!!n kronik 

Parenteral 1 #orfin

Oral 1 Paraseta"ol

   Asirin

   I'!rofen

:nt!k nyeri ne!roatik 

Tidak ada standar 

Analgetik a3!6an

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!3

Terai Berdasarkan #ekanis"e

Otak 

Medulla

Spinalis

In(i'isi

desenden

 NE;<HT

5esetor 

oioid

Sensitisasi erifer ion Na

Lesi

CB=

O>C

PHT

#e?iletine

Lido&ain, et&

T?

T?

TCA

Tra"adol

Oioid

dll

Sensitisasi

sentral

)N#9A,

Cal&i!"

T?

GBPO>C

LTG

$eta"in

9e?tro"e4

t(or(an

)Beydo!n, @@

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!7

PE9O#AN $LINI$ )%

%.Berikan en3elasan kd asien 'a(7a terai NN "e"erl!kan

o'at dengan a7itan agak la"'at , 'erlangs!ng la"a dan

ke"!ngkinan ter3adi ESO.

@. Pe"ili(an o'at yang diakai dengan "e"er(atikan 3enis enyakit, k(asiat dan ESO, "isalnya 1 gangg!an tid!r dan &e"as

  444444 a"itritilin ada "ala" (ari.

.#!lai dengan dosis renda( dan titrasi setia 'e'eraa (ari.

D.9osis dinaikkan sa"ai dosis tinggi 'ila reson engo'atan

k!rang "e"adai dan ESO dt di toleransi enderita.

<.Bila o'at dengan dosis tinggi tidak efektif ata! ESO tela( ti"'!l

  sto o'at dan ganti dgn. o'at golongan lain.

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!;

PE9O#AN $LINI$ )@

. Bila nyeri 'erk!rang se'agian erti"'angkan !nt!k "ena"'a(

  o'at dari golongan lain dan ena"'a(an ini dilak!kan dengan

dosis titrasi. $o"'inasi o'at 'aik o'at t!nggal "eski!n

interaksi o'at "asala(.

F.Nyeri yang 'ersifat ta3a" dan "en!s!k, "isalnya 1 ne!ralgia

trige"inal 44444 anti kon6!lsan 1 CB=;O>C, GBP ata! P(enytoin.

. Nyeri t!"!l st ter'akar ata! s!lit dilokalisir st as&a (ere 1

4444444 anti deresan 1 a"itritilin, SS5I.

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%2

5ING$ASAN

/ Nyeri ne!roatik ter3adi aki'at lesi SS yang daat"enye'a'kan er!'a(an "orfologi dan f!ngsi SSA

"a!!n SSP

/ Terai 'erdasarkan atofisiologinya diangga aling teat

  se'a' sa"ai sekarang karena 'el!" ada o'at ili(an

t!nggal yang 'et!l4'et!l efektif !nt!k nyeri ne!roatik.

/ Perl! dier(atikan edo"an klinik e"akaian o'at terse'!t

  !nt!k "endaatkan (asil yang "aksi"al dan ESO

se"ini"al "!ngkin.

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“ Aku telah

memberikan obatyang aku kenal

terhadap penyakit

yang aku pahami,

kepada pasienyang tidak tahu

apa-apa”.

Semoga