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Seminar in Palliative Care
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Transcript of Seminar in Palliative Care
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Seminar in Palliative CareSeptember 26 – October 02, 2010
Salzburg, Austria
in Collaboration with
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The EPEC-O Curriculum is produced by the EPECTM Project with major funding provided by NCI, with supplemental funding provided by the Lance Armstrong Foundation.
Education in Palliative and End-of-life Care - Oncology
The
ProjectEPEC-O
TM
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Nausea / Nausea / VomitingVomiting
Jamie H. Von Roenn, Jamie H. Von Roenn, MDMD
Northwestern University,Northwestern University,Feinberg School of Medicine, Feinberg School of Medicine,
Chicago, Illinois, USAChicago, Illinois, USA
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Nausea / vomiting . . .Nausea / vomiting . . .
• DefinitionDefinition
Nausea is an unpleasant subjective Nausea is an unpleasant subjective sensation of being about to vomitsensation of being about to vomit
Vomiting is the reflex expulsion of gastric Vomiting is the reflex expulsion of gastric contents through the mouthcontents through the mouth
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. . . Nausea / vomiting. . . Nausea / vomiting
• Impact very distressing:Impact very distressing:
Awareness of nauseaAwareness of nausea
Inability to keep food or fluids downInability to keep food or fluids down
Acid and bitter tastesAcid and bitter tastes
Unpleasant smells of vomitusUnpleasant smells of vomitus
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Key pointsKey points
1.1. PathophysiologyPathophysiology
2.2. AssessmentAssessment
3.3. ManagementManagement
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PathophysiologyPathophysiology
• Nausea Nausea
Subjective sensation (easily learned)Subjective sensation (easily learned)
Stimulation Stimulation
Gastrointestinal lining, CTZ, vestibular Gastrointestinal lining, CTZ, vestibular apparatus, cerebral cortexapparatus, cerebral cortex
• VomitingVomiting
Neuromuscular reflexNeuromuscular reflex
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PathophysiologyPathophysiology
CortexCortexCortexCortex
Vestibular Vestibular apparatusapparatusVestibular Vestibular apparatusapparatus
GI tractGI tractGI tractGI tract
ChemoreceptorChemoreceptorTrigger Zone (CTZ)Trigger Zone (CTZ)
ChemoreceptorChemoreceptorTrigger Zone (CTZ)Trigger Zone (CTZ)
NeurotransmittersNeurotransmitters AcetylcholineAcetylcholine DopamineDopamine HistamineHistamine Neurokinin Neurokinin SerotoninSerotonin
NeurotransmittersNeurotransmitters AcetylcholineAcetylcholine DopamineDopamine HistamineHistamine Neurokinin Neurokinin SerotoninSerotonin
Vomiting centerVomiting center
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CausesCauses
MMetastasesetastases
MMeningeal irritationeningeal irritation
MMovementovement
MMental anxietyental anxiety
MMedicationsedications
MMucosal irritationucosal irritation
MMechanical echanical
obstructionobstruction
MMotilityotility
MMetabolicetabolic
MMicrobesicrobes
MMyocardialyocardial
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AssessmentAssessment• WhenWhen• Acute versus chronicAcute versus chronic• Intermittent or constantIntermittent or constant• Associated with sights or smellsAssociated with sights or smells• Eating patternsEating patterns• Bowel patternsBowel patterns• MedicationsMedications
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ManagementManagement
• Dopamine Dopamine
antagonistsantagonists
• AntihistaminesAntihistamines
• AnticholinergicsAnticholinergics
• Serotonin Serotonin
antagonistsantagonists
• Neurokinin Neurokinin
antagonistsantagonists
• Prokinetic Prokinetic
agentsagents
• AntacidsAntacids
• Cytoprotective Cytoprotective
agentsagents
• Other Other
medicationsmedications
Gralla R, et al. J Clin Oncol, 1999.
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Chemotherapy nauseaChemotherapy nausea
• AcuteAcute
< 24 hr< 24 hr
Chemoreceptor trigger zoneChemoreceptor trigger zone
Serotonin release in the gutSerotonin release in the gut
• DelayedDelayed
24 hr (may be days)24 hr (may be days)
Unclear mechanismUnclear mechanism
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Chemotherapy Chemotherapy emetogenicityemetogenicity
Emetogenic Emetogenic ClassClass
Incidence acute Incidence acute vomitingvomiting
II Minimal < 10 %Minimal < 10 %
IIII Low 10 – 30 %Low 10 – 30 %
IIIIII Mild 30 – 60 %Mild 30 – 60 %
IVIV Moderate 80 – 90 %Moderate 80 – 90 %
VV High > 90 %High > 90 %
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Dopamine antagonistsDopamine antagonists
• HaloperidolHaloperidol
• ProchlorperazineProchlorperazine
• Droperidol Droperidol
• ThiethylperazineThiethylperazine
• Promethazine Promethazine
• TrimethobenzamideTrimethobenzamide
• MetoclopramideMetoclopramide
• OlanzapineOlanzapine
• PerphenazinePerphenazine
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Histamine antagonists Histamine antagonists (antihistamines)(antihistamines)
• DiphenhydramineDiphenhydramine
• MeclizineMeclizine
• HydroxyzineHydroxyzine
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Acetylcholine antagonistsAcetylcholine antagonists(anticholinergics)(anticholinergics)
• ScopolamineScopolamine
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Serotonin antagonistsSerotonin antagonists
• OndansetronOndansetron
• GranisetronGranisetron
• DolasetronDolasetron
• PalonosetronPalonosetron
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Neurokinin-1 antagonistsNeurokinin-1 antagonists
• AprepitantAprepitant
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Prokinetic agentsProkinetic agents
• MetoclopramideMetoclopramide
• DomperidoneDomperidone
• Macrolide antibiotics, Macrolide antibiotics, eg, erythromycineg, erythromycin
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AntacidsAntacids
• AntacidsAntacids
• HH22 receptor antagonists receptor antagonistsCimetidineCimetidineFamotidineFamotidineRanitidineRanitidine
• Proton pump inhibitorsProton pump inhibitorsOmeprazoleOmeprazoleLansoprazoleLansoprazole
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Other medicationsOther medications
• Dexamethasone 6 – 20 mg PO dailyDexamethasone 6 – 20 mg PO daily
• Tetrahydrocannabinol 2.5 – 5 mg PO tidTetrahydrocannabinol 2.5 – 5 mg PO tid
• Lorazepam 0.5 – 2 mg PO q 4 – 6 hLorazepam 0.5 – 2 mg PO q 4 – 6 h
• Octreotide 10 Octreotide 10 g / hr IV / SC infusiong / hr IV / SC infusion
or 100 or 100 g SC q 8 h for bowel obstructiong SC q 8 h for bowel obstruction
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SummarySummary
Use comprehensive assessment and Use comprehensive assessment and
pathophysiology-based therapy pathophysiology-based therapy
to treat the cause and improve the to treat the cause and improve the
cancer experiencecancer experience