nrttfi s'r ondansetron rfi ofl
o ufluar nrrf,uer
nnr:lfr sr
mo rp hin e
rfrrti
o urirlz #ura f,utu
frrJ e s air
rTrr n o orr
Prophylactic ondansetron for prevent of intrathecal morphine induced pruritus after cesarean delivery
??rru'r a-ad
o$fiileiluB il.u.*
ABSTRACT
Background The intrathecal molphine is highly effective in providing analgesia for post- operative pain management, pruritus is a common side effect. Its incidence is especially high in patients undergoing cesarean delivery.
This study was performed
to
investigate the efficacyof
ondansetron in preventing pruritus following intrathecal morphine in patient undergoing cesarean delivery.ln a
prospective, double-blinded, randomized study, ninety parturients undergoing cesarean deliverywith
spinal anesthesia were studied. All patients received 0.5% hyperbaric bupivacaine2 ml
and intrathecal molphine 0.2 mg. After a child birth, the patients were randomized into three groups. Group L received normal saline (placebo group), group 2received ondansetron
4 mg
intravenously (O-4 group), and group 3 received ondansetron 8 mg intravenously (O-8 group). Patients were evalu- ated for severity of pruritus and nausea/vomiting at 2 and 24 hr. postop- eratively.Objective
Methods
Statistical analysis : ANOVA, Kruskal-Wallis's, and Mann-Whitney U-test
:
2 hr postoperatively, the incidence of pruritus was significantly lower in ondansetron group 4 and 8 mg group when compared with the placebo group (46.7o/", 30%, and 50% respectively, p<0.05). At24 hr, ondansetron 4and 8 mg group less frequent
in
pruritus when compared with placebogroup (13.3"/o, 6.7o/", and 40"/" respectively, p<0.05). The postoperative nausea/vomiting at 24 hr were not significant different.
Conclusion Prophylactic ondansetron prevents intrathecal morphine induced pruritus after cesarean delivery, particularly in patients suffering from both pruritus and nausea/vomiting.
ondansetron, intrathecal morphine, pruritus Key words
Results
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d'tutrynte (fr'tunaneauantfiilryfiinn)
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v ldt Q yr i v
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o'rurvl4i'ru
15-45 -rl ASA physical statusI-II dlriunr:,'irfr'rrnoonfr kunurrrodiuvri
airuru 90nu
frU?ufln:ruqvlfiilnr::v'Yuntrutf,nTrra nrlAnartl
0.5% hyperbaric bupiiacaine 2 rro. zuNlJrilJ.""fn*.;; ;;
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normal saline 4 il0. yt'lut4oon168nri't nniuii z16ilur
ondansetron 4 iln. y'l\:l4donrfionrf't naiuii glfiiuur
ondansetron 8 iln. r'tut4donrfionn"tfrr,J:aqv1fr5unr:l:vrfiu:vd'unr:rYu
uovndulfiorriuu fr 2
uov z+tirllu
r,rduaird'n
ANOVA , Kruskal-Wallis's test ttov Mann-Whitney U-test
nluudue.ild'n Z
tiriuu ndufrlfiiuur
ondansetron4 iln. rdy 8 ln.
rfiBro1nrr6'ufi o u n'jr n air
nrl
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(46.7%, 30%,*av
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p <
0.05)*a*fi
24 t"rTluuour.irfr'n qrifinr:nisouarnr:d'utunajuiilfiiuur
ondansetron4 !n.
uoy8
un.fioun'jrnnilnrunu
lrruumn riruodrufiriudrfi'ry (13.3%, 6.7%, uov 40%rlru6irrt! p <
0.05) drraiuA 1v t 41 ev
- e
Rl?u n fl U !il 01 tauu y,lu?] n oilyt LFtSuu't ondansetron 8 u n. tn- oruauniln
d!
n'ruqlrorirufifiadrfi'rgii z tirtuur,rf,unirfr'n urifi za drTuuyd'uairm"nrvr&u 3
n{u
'? ra
[ilfr nrru um n riru fluyru n n fi
ur ondansetron Nlilttnflouri'unrrrfinornr:riulufrr-l:ur.ird'rrnoonfilfiiunr:
f n
ar
molphine rf,rtjourirlziluraii'ulfiondansetron,
nr:hiur
moqphine rtlrtj o urirh f,uu f,u, or nr: 6'uflfi za ar-irfi
1
nsliul ondansetron tfiailaoriuatnnduqinnlhil.tn morphine til'nioti:illduuilrt'lul;itltur.hfrnnaanxntnl-tlvtlu2552 Prophylactic ondansetron for pr@ffit of intrathecal morphine irdrrrd pruritus rfterirror"o, ddirery
@
uvru'l
onlr,.ir n''n n N o rr 16 nvrr urarirrlau (cesar-
ean delivery)
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rru
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ttFlr{oulutnuuvrviuuouylNn n0 ornr:6'u(3'4) dufi qrifinr:nif
oa ov 70-85(4)vA-)dy
olnltnuav t5ilq1n!l tlruylqnul
Id']
nl ual uuuvt'tu 3e1 rrluuu LUvtlu dl rl? uN vlJl t?
il
61 e)lt
Lluur
ZunntduuInu trigeminal
nerve o1n11d',ulir?tuElJn UIoulouFl']t a1
rflu. , .j ' ; u au
Frl ttl4uUvrv'tulJ our q
n 0lnllnuEtnnll
[vu'tmorphine
tUlU0UU'lLUilUl4OUU lJnLilEl0U 6uourionlrinulfi'tuul
antihistamine lvll'tv' I
'le- d, -
olnllnUFlUnNll l}lLn[nnE]nnllu0u
hista- mine(s)uritfirrqrnur
morphine}Jn:v{u
serotonin type 3 receptor lnum:u {iu receptor rYunairrfirrntu dorsal hom uouluf,uuou itov spinal hact uort trigeminal nerve
lu
medulla(u)- Y av
n'u{unr:lvurnQl
selective serotonin type 3 receptor antagorlist [tju ondansetron(t) Q vd'] uilo$flun1l rn
nolnll
nunun fl1? 1eLFI uul Flu'l ondansehon filf1unr:fl ouriunr: rfi nornrs6'ufia aurn 8
un. dnvrrwoantfianEilfi:vuv
r't0'tn'rrsonqvld 4-6 tiilur:(n) f,'lu'Hnonqdh nlroiu aunr, fr'u1d5o u o v 50(H) druru orir r: tH u r:elnur
ondansetron 16'rrri rJ-lorftuv rlourynrfirrriounirtauov 10
?nnurufl$n
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setron yl Luqnilluy0OFltooFlFl'l [fi81JOUflU
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0.5% hyperbaric bupivacaine rlflilrYu molphine 0.2 un.fnrtir
tiaurirlu iluraou Tnu njiuu rfi u!n 6iufi1fifu ur ondansetron
uu'rn 4 ttou 8 un.
rYlnaju N?UNIJT L}J IFII1JU'Ii6nr:finur
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-laFl nBru rUu rr1j1J prospective, double-blinded, randomized controlled trialtoa6)
In uvfr nr: f, nurlun aiu frrJ-: u or ui vyi'ru I 5-45
il
ASA physi.rr ,trt* I II ;Iilfif,oriruri'r
spinal anesthesia uovlrifirJ:sifi urr{urfit#lu
a..j;tad
nllnnul
vrul zu] rl n n No ayl Lluyiu-rlJ'r il ilruyn siru'ru 90 nu{rJ-: u1
n:r
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nrrl#ur:
s'YuarrlSf,n
iltuli
spinal anesthesia vifoltiorirBuaou', 1eu
r?J1:-tlJn11nnul il1J?UilnlTU!Al!nlttuULJ
val :
n?1!iilnLnunr:ilnu1 0.5%
hyperbaric bupiulcaine2 uo. r'lnlfll
preservative-free morphine 0.2un.
ul-rtjourjr[z#uvd'u uov uurju{r-hurflu3
n6j}r nejrov 30nu
Tnranr:{'rmnrn
&o
uunounl??l.l
t. hior:nsn'lu
Acetated Ringer's solution 10-15 uo./n.n.Iut-lor
15-20 urfrriounr:hf,u-ncriu n?iilf
f,nuuu
spinalanesthesia
@
2,ril1 ilnfifrcnlfc'lrf('lrnlrtlvtY]ti 1:{nsrurnr?nvnu q?urf q?ir.ui
2. rir
spinal anesthesiafiivilu
L2-3via
Lg-4 interspace luviruounsunu Tnul6 rfiruvuud'uru a{27G ufiorr.Jorufr'nr f nar 0.5%hyperbaric bupivacaine
2 uo.
zu6ilfi'1-l mor- phine 0.2ln.
3. fufrnn:rudld'rzouoonfi
tquut ^
n'r1l]d'u[NfirlttNufiv{ar
fln
2ulfi aunlu
15-&
u'tvr Elnuu?nyln 5 u'lvl
4.
nrur,tf,uqrnvr'ltn n No Ft ttd u fr'n oru av6o uilufi.r-huoonrflu 3,,
au nnjufr'ufln{lii r
(placebo group)lfi
normalsaline 4 ,.rd. tdtrtul4oonrfiann"r
n{ufi
z (O-4 group)lfr
ondansetron4 un. zunldt
normal saline2 tto.
Ldlylu lrdonrfionrilnajufi 3 (O-8 group)
tfi
ondansetron 8iln.
rflrylrul4oon tfi onrf't;^ g
5.
lJUr n 9{ ou'lU tn uuvlLn nuulvl4?-lu1v , u f
^ 5 ei
,,r1Drrt LFrun n?lxJFrutdutrlnl 01nl1uu1?6u
) 1e
INvn1']vndut6/ar rEUu
6.
ra#uair fr'rr du fir-l:uuriirfiouyl'nflu rjrc rilunrrv n6u1fi/or 16uurovornl:n'ulu
zTable 1 Demographic data, mean (SD)
uov 24 tirTlurad'uaird'n Tnrutfr pruritus score
t tv !
ttlJutnilflF|UU
o =
lrifiarnr:fr'u r
= 6'ur6nrios2 = nuurn unvfroulfrurinur
n'lt? [nt1 vl4vt't
rJ 6l nn
;1 u
u'tuoxJNvl
{
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ruouU
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d?uv ;4 u , a , , ; - dl qe
uolJdvrr1jurl'tttutt]JFloruou ?tnlluuLnuLU Kruskal Wallis's test
ttov[liuurfiulf,ouo
Ururiovnajud':u Mann-Whitney U-test lnufio
^^ di
i1n1]ud1Flruil'r\JNCIFrilo p < 0.05
flonlrfinu'l
{r-harfu 3
n{}l
nnjlov 30 nu1rjil!
n'tltJ ttDl n rlluo u'rf iluu d1 n rufl 1u iln --aDl tuFnuo]q
rirvrin :cd'!nr:ut
:vasrrorairm''n (Table 1)i ^ O u 1v
rrNuzuo?Jlurnu$ilrnnLutuvl't$tJlrln Lnttn
ut - 6
n'rrilbYuINfi rl Di'r
olnrrvul1f,u
LLdunr?un6iulfior16uu (Table 2)
Placebo (n =
30) 04
group (n = 30) O-8 group (n =30)
p valueAge (yr) Weight (kg) Anesthetic level (T) Time (min)
28.80 (7.64) 67.13 (12.27) 5.07 (0.e4) 42.66 (1,6.90)
2e.00 (s.62) 67.10 (11.26)
5.07 (1.28) 37.1,6 (10.1.4)
28.80 (s.04) 66.e5 (8.31) 4.80 (0.76) 3e.66 (13.4s)
0.99 0.99 0.51 0.31 O-4 = ondansetron 4 mg, O-8 = ondansetron 8 mg
ifi za oriri 1 n11lrta1 ondansetron tfrailaoiuatntsfruqlnn1zlrtu-1 morphine tittja,si'ilttduuiolufi-lnahfronaao LnJolrllu*"nu zssz Prophylorti, ordonr"tron fo, pr**t of irtroth"col *orphi,e idu,d p'u'itu' ofte'""'o"on deliu'ry @ Table 2 Intraoperative complications
Placebo (n =
30) 04
group (n = 30) O-8 group (n = 30) P value HypotensionShivering Nausea/vomiting
\e
(63.3%)8 (26.7%) 3 (10.0%)
17 (56.7%) 3(10.0%)
2 (6.7%)
21 (70%)
s (1.6.7%) 2 (6.7%)
0.57 0.24 0.8 O-4 = ondansehon 4 mg, O-8 = ondansetron 8 mg
: v DYlr o 1 n'tl 6'uu o u {rJ r ufr rJ: v rfi
ulu
frour{nf,u r,ld'us.ird'nr 2 u"tfuunuir
nniuiildilar
ondansetron4 un.
uNv8 un.
tfin ornlrFYufi ounirn{r nll 4u
atirufi riu dr fr'rgr]uflfifi
(46.7%,30% uov 60% mrurird'l p <0.05) uovuiutfiu?flu
d za
u"':luuraous.irDl-n)d
rfi o ril5 uu rfr uu tfu n
{r
n':u 4tr (13.3%, 6.7o/". *av 40% mrlohn'u Tnrup .
0.05) (Table 3)d':uornr:nduldorr6au lru'ir ii
zu"r1uuvd'ualrd'nr
najufilfiilul
ondansetron 8iln.
fiolnrr
nduIfi or riuurioun'lrn {u n-lu 4}l otlrufiriudrfr'rg (p = 0.0a) $nfr 24 ti':Tlur,rd'ur.ir n nr rfu 3 n 6j1ililfi n1lil urln Di'turiuvt'l$ 6fi fi
or-ifi nr :niu o u nr: rYu'lun ailJ ondansetron 4 u n.
--- -- q
ruov
8 lJn.
rnnDi'tuodrufiriudr6'ryfl1uNfi fiTable 3 Incidence of pruritus and nausea/vomiting at recovery room and ward
Placebo (n =
30)
O'4 group (n = 30) p valueO-8 group (n = 30) p value Recovery room
pruritus score.
0=no
1 = mild 2 = Severe nausea/vomiting Ward
pruritus score.
0=no
1 = mild 2 = Severe
12 (40%)
8 (25.7%) 10 (33.3%) 10 (33.3%)
18 (40%)
6 (20%) 6 (20'/") 2 (6.7%)
16 (s3.3%) 13 (43.4'/")
1 (3.3%) e (30%)
25 (86.7%)
3 (10%)
1. (3.3%) 0
21, (70'/,) 6 (20'/,) 3 (10%) 4 (13.3%)
28 (e3.3%) 1(3.3%) 1 (3.3%)
0.05 0.02
0.003 0.81
0.02
the Kruskal Wallis's
0.15
@
2?tIU1 AlflUqnnfl 11rft1:nlrrMnti Irrnmrrnain;mn q?uvrf :1?ilti ad?qliil
nrrl#u1r eui! nrrri 5f, nTnr u nrrfi n u1u-r 0.5% hyperbaric bupivacaine tJ6!tY!U'l mor-
phine
uirdourirls f,urao''u rfiio rniuqvrdnr:lvulju-lFrlvvl-luzu]Fln
uA ![NsLvl]JluuvLlN-lu r u nora - : 1v
I vUl-Jl-J? Fr14 0U zuT rl n''-', Ln UIJ qvr 0t vuulj? n tnulu
ds
1.2-24zirTlu
r,l#uErnAnul ?Ju'rFr?rouui morphinefirirlr
.jo zu nl ri'l ulu1fi uur n 0.05-0.25rtn. y{u'jr
r.J:vfiuinryrlunr::v'5urJ?Ft r[Nve d i-
r.rodru rfr uufr rnrralnur morphine f,uriluurnr
uouurfil#
(dosedependent) Tnrazunf,ru16uu fi rfluoium:ruriofir-l:uIfiuri nr:nnnlrulutq
!-gune-)tA
ou rnnuuuauilln n11v !!ynnu ouytlllJlJ ouy q Fr
fi o ornr: 6'u (pruritus) tiufi :r
uurui'n{dfifir
7o-85'h@ finE s rfi nruouqlnfln ur rflrd ourir
hf,uvo''u e-z #-rTlu ornlr6'uEvrdrqrn
- .Jd y g e 1,u
u: L?nJfl
qnu1
ttN?ntvE'tuuuynu Fl'tulJuLlJuu -qvi-Ytdl Fl? uovu: r'tcu Lu14u't u unn [NUu LFI u trigemi- nal nerve
olnliniuui
t?ilElJn LLN ulolJ 0)?\J rl't rflunfr uvriuiinrr.joufi qn
ourfluzu dETnu'tmorphine }Jn:v6'u serotonin type 3 receptor Torumtu
du
receptor d'unair-:fiurntu dorsalhorn
uoulud'uyd'uttflv
spinal tract uou trigeminal.r"-" tu
medulla(u) alnturlrlodt u1,
o 1 n r r 6'u d'u n ai r': rTn Lri m o u fl u o u Di o n I : in u't
Trranr:triur
antihistamine durfluurfifiaulfiv -cl q
lnUT 01n11nU TUUEEUU tl',ll'l v01n1l nUFIU ' .it,:s- ' '
n air:fi Lil [fi rfi nqr nnr:udr'rJ histamine(s)
arnf,rufru atnttd'uE'tnnttAnBl
morphine uirdomirluilur,lo''u LfinElnnrr n:vfru
serotoningpe 3
receptor n-utiunr:}iurnaju serotonin type 3 receptor antago-
nist tdu
ondansetron ilresd'tufl ouriuuov'le ay
lnul0'rn1:nunun
N1'lLn !Eluunuil
tuondansetron
.Aeu lvl0lJOUnUIdulnUl01n1lA 1e a 1vu
nouLdo'r rEUualnnrl tFmuuT rnilu'tuFt INu
ulnniil
opioid Tnrutriurzurn 4-8 lJn. il'tu voo n rfi o Fr Ei'r d?uuu-r FlfitrirlourYunIr rn Ftarnl:FYuolnnrrlfrul
morphine rrjryrudau rirlu iluuii'u 6o 0.1 -0.15 il n./n.n. fi :vrr y u't ornlroonqyidulu
4-6ti':Iuu ur
ondansetrono ;u I l
pndrorafi d't-rloru rauLsxj cytocfuome P-450
' . d 1v t v i
tJdu'rurnuulouu-r tnttn !']F]Fltlry ylauzun tsu
rfinniouniriauou 10
qrnnltfinutuorl
Yeh uosnruv(n)Li
ondansetron 0.1
ln./n.n.
r'l\iydonrdann'-lrfr ofl ouniunr:fr'uernnr:Ifii!u't morphine 0.1 5
t eo1 a y,, ; -
}Jn. v-ruuouu'rtudu140u tue.t!?uxlJ15unlt
ajr m''rr n o o or nJi ul rfi ul rYl n
aii
placebo vrli-rq
rifi
n I r rilu o un'rI
6'ulu n ajuiil fiir
ur
ondansetron tfinSouns 25 urucfindu placebo tfinr5osnv
85 nr:flnuruau
Kyriakides KLLovnruv(o'
lfi
ondansetron 4 ttn. rfiiorlourYue 1e-
nrr FYuErnnt:
lfi5lur
opioid fl ruudo n [6 o n ri'r?,<d
t Fl u [lJ I UU ryr u! nu n N il n ?u n ]J y'l1J ?'t 0 u m n tr ru ua , ;t'u-
q q
?Jounlln'uLundufr
lfiinut
ondansetron lfi Fliouov
qz.sflaunltH{ln':lqlfi1frir-r
salineturnnlouNv 70
nrif, nutu ou
olimri
qr:d'nururfiut4![ N v n r[v('o) lfi ur o.du.,setron 4 ]J n. y-t u14 N o Fl
4 o 6l q v v 6l yr ; -
rd0nnl tunltt0unuolnllFutufl!'tufi il'tiu
nrr,.ilntinndon
unylfiilur
1vu morphine rf,ruruzi ourirlu #urad'u uJial rfi ulnTl placebo
vluir
-v- d u'l ' i1 yu d, I
ou Flnltilu 0u 01nl1 nu tun dlJ?l Ln:lJ u-t 4 d't LlJu
tfioSouov 12
ucu#n{l
placebo rfinioaovzo uovlf,lirnllFlnurdnn{t:
lnunI:uurfi uunr:trlur
ondansetron 4 un. uov 8 iln.(t')ilu
a v1t
q!nnlrruuounllnu$tunnmluflu no
5au0&ilfi za orfud
t
n*rttn ondansetron tiailo,tiua'tntduqlnrnllrtln morphine tilttiaoi'thduuiolufi)zuthaanaan tnrau-rlw,lau 2SSZ Prophylactic ondansetron for preoet of intrathecal morphine induced pruritus afts iesarean detioery@
13 uov 12 n1iloh6'u
o *q y,, ; t u )
alnnllnnulu
ruHlJluyr 9.lr rl n n 0 o FryrIfiir
moryhine 0.2 lJn. rru?jourirlu#ur,rai'uuuir frnor
2 u"r1uuraf,uairfr'nnaiufilfiirur
ondansetron
4
t.tn. ttou Sun. fio!-finr:n:
,'
?J 0u
nlt
tn n 0r nlr nuuo un?1n q}l n?u ntl 0 u'ru firiudrd'ry (46.7%,30%, uov 60% mruairnir, lnrup <
0.05) ndurdurfiu?riufr
zaririlu
' )1 vv
udurirfi'n nflr.tI tn5!u1 ondansehon 4 iln. ttflv
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