COMPARISON OF EFFECT OF ONDANSETRON Vs PALONOSETRON IN PREVENTION OF POST OP NAUSEA AND VOMITING...
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![Page 1: COMPARISON OF EFFECT OF ONDANSETRON Vs PALONOSETRON IN PREVENTION OF POST OP NAUSEA AND VOMITING FOLLOWING ENT SURGERIES Dr.Kaviya.K.J II yr MD Prof. Dr.](https://reader036.fdocuments.net/reader036/viewer/2022062515/56649c995503460f949556a0/html5/thumbnails/1.jpg)
COMPARISON OF EFFECT OF ONDANSETRON Vs PALONOSETRON
IN PREVENTION OF POST OP NAUSEA AND VOMITING
FOLLOWINGENT SURGERIES
Dr.Kaviya.K.J II yr MDProf. Dr. R. Subramaniya Bharathiyar ;Professor and H.O.DProf. Dr. R. Lakshmi, Associate ProfessorProf Dr.Ponnambala Namasivayam, Associate ProfessorDr.Carolin von mullai Assistant professorDept of anesthesiology SMC.Dr.MGR University 2010
![Page 2: COMPARISON OF EFFECT OF ONDANSETRON Vs PALONOSETRON IN PREVENTION OF POST OP NAUSEA AND VOMITING FOLLOWING ENT SURGERIES Dr.Kaviya.K.J II yr MD Prof. Dr.](https://reader036.fdocuments.net/reader036/viewer/2022062515/56649c995503460f949556a0/html5/thumbnails/2.jpg)
BACKGROUND
Postoperative nausea and vomiting (PONV) “big little problem”is a frequent complication of surgery, which can lead to subject discomfort and dissatisfaction as well as considerable subsequent medical and economic consequences .
nausea and vomiting within the 24–72 h period occur with an incidence of approximately 30% and 5% respectively.
Gupta et al. found a 32.6% incidence of PDNV.15 In the high-risk patients receiving placebo the incidence of PDNV was approximately 60% in the studies by Kovac et al
![Page 3: COMPARISON OF EFFECT OF ONDANSETRON Vs PALONOSETRON IN PREVENTION OF POST OP NAUSEA AND VOMITING FOLLOWING ENT SURGERIES Dr.Kaviya.K.J II yr MD Prof. Dr.](https://reader036.fdocuments.net/reader036/viewer/2022062515/56649c995503460f949556a0/html5/thumbnails/3.jpg)
Schematic representation of the factors influencing nausea and vomiting
![Page 4: COMPARISON OF EFFECT OF ONDANSETRON Vs PALONOSETRON IN PREVENTION OF POST OP NAUSEA AND VOMITING FOLLOWING ENT SURGERIES Dr.Kaviya.K.J II yr MD Prof. Dr.](https://reader036.fdocuments.net/reader036/viewer/2022062515/56649c995503460f949556a0/html5/thumbnails/4.jpg)
Risk Factors:Patient Specific
Female Nonsmoking history Hx of motion sickness or PONV Use of postoperative opioids
Simplified Scoring System
Incidence of PONVRisk Factors Incidence
0 10%
1 21%
2 39%
3 61%
4 79%Apfel CC et al. Anesthesiology 1999;91:693-700.
![Page 5: COMPARISON OF EFFECT OF ONDANSETRON Vs PALONOSETRON IN PREVENTION OF POST OP NAUSEA AND VOMITING FOLLOWING ENT SURGERIES Dr.Kaviya.K.J II yr MD Prof. Dr.](https://reader036.fdocuments.net/reader036/viewer/2022062515/56649c995503460f949556a0/html5/thumbnails/5.jpg)
Chemoreceptor Trigger Zone and Emetic CenterAntagonistAntagonist
AgonistAgonist
Receptor SiteReceptor Site
Are
aA
rea
Po
stre
ma
Po
stre
ma ChemoreceptorChemoreceptor
TriggerTriggerZoneZone(CTZ)(CTZ)
EmeticCenter
5-HT5-HT33 RAs RAs
5-HT5-HT33
PromethazinePromethazine
HistamineHistamine
AtropineAtropine
MuscarinicMuscarinic
DroperidolDroperidol
Dopamine (DDopamine (D22))
Nitrogen mustardNitrogen mustard
CisplatinCisplatin
Digoxin glycosideDigoxin glycoside
Opioid, analgesicsOpioid, analgesics
Vestibular portionVestibular portionof 8th nerveof 8th nerve
NN22OO
GI tract distensionGI tract distension
Higher centers (vision, taste)Higher centers (vision, taste)
PharynxPharynx
ParvicellularParvicellularReticularReticular
FormationFormation
MediastinumMediastinum
??
VagusVagus
NK-1 RANK-1 RA
Substance PSubstance P
![Page 6: COMPARISON OF EFFECT OF ONDANSETRON Vs PALONOSETRON IN PREVENTION OF POST OP NAUSEA AND VOMITING FOLLOWING ENT SURGERIES Dr.Kaviya.K.J II yr MD Prof. Dr.](https://reader036.fdocuments.net/reader036/viewer/2022062515/56649c995503460f949556a0/html5/thumbnails/6.jpg)
Palonosetron second generation 5-HT3 RA a unique chemical structure. T1/2 40 hrs Exhibits high binding affinity. allosteric binding and positive cooperativity, induces receptor internalisation Palonosetron 0.075 mg IV is approved by FDA
(PONV) for up to 24 hours following surgery.
SIDE EFFECTS: headache (3%), constipation (2%) prolongation of the QTc interval (5%)
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Rojas et al. described the unique pharmacology of palonosetron compared with other 5-HT3 receptor antagonists,
Tang et al. demonstrated a dose response for palonosetron up to 30 μg/kg, with 1 μg/kg being the lowest effective dose in the first 24 h for PONV
Kovac et al.7 and Candiotti et al. At the highest dose studied (0.075 mg), the incidence of vomiting or need for antiemetic treatment was reduced during the first 24 h after surgery by approximately 20%-30% &found a marked reduction in incidence and severity within the first 24 h .
Kovac et al. demonstrated continued efficacy compared with placebo for 24 to 72 h.
![Page 8: COMPARISON OF EFFECT OF ONDANSETRON Vs PALONOSETRON IN PREVENTION OF POST OP NAUSEA AND VOMITING FOLLOWING ENT SURGERIES Dr.Kaviya.K.J II yr MD Prof. Dr.](https://reader036.fdocuments.net/reader036/viewer/2022062515/56649c995503460f949556a0/html5/thumbnails/8.jpg)
AIM OF THE STUDY The purpose of this study is to investigate Iv palonosetron versus Iv
ondansetron medication for the prevention of nausea and vomiting through 72 hours postoperatively in patients undergoing ENT procedures requiring general anesthesia.
Primary Outcome Measures: proportion of patients with no emetic episodes in the
Time Frame: 0-72 hours post-operatively Secondary Outcome Measures: Proportion of patients with no emetic episodes in different time periods
:Time Frame: 0-6 hours, 6-24 hours, 24-72 hours, Severity of nausea in different time periods Time Frame: 0-6 hours, 6-24 hours, 24-72 hours,
![Page 9: COMPARISON OF EFFECT OF ONDANSETRON Vs PALONOSETRON IN PREVENTION OF POST OP NAUSEA AND VOMITING FOLLOWING ENT SURGERIES Dr.Kaviya.K.J II yr MD Prof. Dr.](https://reader036.fdocuments.net/reader036/viewer/2022062515/56649c995503460f949556a0/html5/thumbnails/9.jpg)
Study design
Interventional Single blind Prospective Randomised Non placebo
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PATIENTS AND METHODS:
Institutional Ethics Committee approval was obtained Informed written consent was obtained 60 patients belonging to ASA PS 1 &2 undergoing ENT
surgeries under general anesthesia were chosen and randomly divided into 2 groups each n=30
Group O received Inj ondansetron 75mcg/kg upto 8mg Group P received Inj Palonosetron 1.5mcg/kg upto
0.075mg 30 minutes before start of surgery
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MAIN INCLUSION CRITERIA Male or female patient aged more than 5 years up to 60
years. Inpatient scheduled to undergo surgical procedures
requiring general endotracheal anesthesia for ear, nose and throat surgery;
American Society of Anesthesiologists (ASA) physical status I, II
Patient scheduled to be hospitalized for at least 72 hours after wake up of surgery
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MAIN EXCLUSION CRITERIA History of gastro-esophageal reflux. Patient scheduled to undergo emergency surgery. Patient scheduled to receive propofol during the
maintenance phase of anesthesia. Patient with vomiting from any organic cause. Any drug with a potential anti-emetic effect within 24
hours prior to the administration of anesthesia. Any vomiting, retching, or nausea in the 24 hours
preceding the administration of anesthesia.
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Materials
IV cannulae Monitors Drugs for general anaesthesia Drug O Ondansetron 4mg Drug P Palonosetron 0.075 mg
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METHODS
Premedication: Inj. Glycopyrolate 0.004 mg/kg iv, Inj. Midazolam 0.02mg /kg iv, Inj. Fentanyl 2 mcg/kg iv.
Anaesthesia was induced with Inj. Thiopentone 5mg/kg iv and Inj succinylcholine 2mg /kg iv
Intubated with appropriate sized ETT placement confirmed .
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METHODS Anaesthesia was maintained with
N2O: O2 70:30%, Isoflurane 1% with controlled ventilation Muscle relaxant Inj Atracurium loading dose of
0.5mg/kg followed by a maintanence dose of 0.1mg/kg was used
After adequate spontaneous respiratory effect reversed with Inj neostigmine 50mcg/kg with Inj glycopyrrolate 40mcg/kg.
During maintenance of anesthesia Heart rate, Mean arterial blood pressure, ECG Spo2, respiratory rate, end-tidal CO2 concentration,
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Post operative: Data collected over 72 hrs post op. No of emetic episodes recorded and time at which it
occurred. Emetic episode is defined as single vomit or retch or
a combination Complete response: No emetic episode Major response :one emetic episode Treatment failure: 2 or more episode or the receipt
of an rescue anti emetic Data recorded & results were statistically evaluated
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RESULTS
DEMOGRAPHIC DISTRIBUTION:
PALONOSETRON MEAN AGE:24+/-5 [5Yrs-52] SEX:M/F 14/16
0.00%
50.00%
100.00%
EMESIS NAUSEA
ONDANSETRON MEAN AGE 26+/-4
[5yrs-50yr] SEX M/F 15/15
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COMPLETE RESPONSE
91
92
93
94
95
96
97
98
99
100
0-12HRS
12-24HRS
PALONOSETRONONDANSETRON
75
80
85
90
95
100
24-72HRS
0-72HRS
PALONOSETRONONDANSETRON
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NAUSEA
0%
2%
4%
6%
8%
10%
12%
14%
PALONOSETRON ONDANSETRON
0-12
12--24
24-72
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0%
1%
2%
3%
4%
5%
6%
HEADACHE
PALONOSETRONONDANSETRON3-D Column 3
HEADACHE
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CONCLUSIONS
• Emesis and nausea female>male• Emesis early 0-12 hrs comparable• Emesis delayed 12-72 hrs palonosetron
superior• Palonosetron superior in controlling nausea• Headache symptoms comparable
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PROFORMA NAME : AGE/SEX: IP NO: WEIGHT: ASA I II
DIAGNOSIS: SURGERY PLANNED: PREMED: TIME OF DRUG ADMINISTERED: TECHNIQUE OF ANESTHESIA:
CONDITION AT THE END OF SURGERY:
PONV FIRST 2 HRS 2-12 HRS 12-24 24-72 NO OF
EMETIC
EPISODES
NAUSEA Mild moderate severe
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REFERENCES
Apfel CC, Laara E, Koivuranta M, Greim CA, Roewer N. A simplified risk score for predicting postoperative nausea and vomiting: conclusions from cross-validations between two centers. Anesthesiology.1999;91(3):693–700.
Management of PONV focus on palonosetron Neil muchatuta michael peach 2008 K. A. Candiotti, A. L. Kovac, T. I. Melson, G. Clerici, T. Joo Gan, and The Palonosetron 04-06
Study GroupA Randomized, Double-Blind Study to Evaluate the Efficacy and Safety of Three Different Doses of Palonosetron Versus Placebo for Preventing Postoperative Nausea and VomitingAnesth. Analg., August 1, 2008; 107(2): 445 - 451
Palonosetron Hcl in the prevention of PONV Jane wallenborn and Peter crank dept of anesthesiology University of leizpig.Germany
Gralla R, Lichinitser M, Van der Vegt S, Sleeboom H, Mezger J, Peschel C, Tonini G, Labianca R, Macciocchi A, Aapro M. Palonosetron improves prevention of chemotherapy-induced nausea and vomiting following moderately emetogenic chemotherapy: results of a double-blind randomized phase III trial comparing single doses of palonosetron with ondansetron. Ann Oncol 2003;14:1570–7
Stoltz R, Cyong J-C, Shah A, Parisi S. Pharmacokinetic and safety evaluation of palonosetron, a 5-hydroxytryptamine-3 receptor antagonist, in U.S. and Japanese healthy subjects. J Clin Pharmacol 2004;44:520–31
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THANK U