Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
80 Cards in this Set
- Front
- Back
Prodromal phase of migraine attack
|
Cerebral vasoconstriction
|
|
Headache phase of migraine attack
|
Abnormal dilation of cranial arterioles
|
|
Classic migraine =
|
Migraine with aura
|
|
Common migraine =
|
Migraine without aura
|
|
90% of migraine cases begin before age __
|
40
|
|
Avoid migraine by avoiding vasodilating substances such as (2)
|
- Alcohol
- Tyramine |
|
Avoid migraine with these 3 lifestyle factors
|
- Proper diet
- Exercise - Adequate sleep |
|
Nonpharmacological ways to tx migraine (4)
|
- Psychotherapy
- Biofeedback - Physical Therapy - OMT |
|
Acute abortive agents for migraine can be used a max of _____
|
2-3 days/wk
|
|
More frequent use of acute abortive anti-migraine agents can cause _____-
|
Rebound headache
|
|
Rebound headache occurs when acute anti-migraine meds are taken to frequently and includes
|
- Head pain becomes constant even with meds
|
|
If discontinue acute anti-migraine meds, ______ will disappear
|
Rebound headaches
|
|
A headache that reappears after a pt had obtained significant relief from an abortive agent
- Recurrence occurs within timeframe of migraine attack |
Recurrent headache
|
|
Can produce more incapacitation than actual migraine
|
N/V
|
|
_______ can reduce absorption of antimigraine and antiemetic meds given PO
|
Vomitting
|
|
Oral meds can be unaffective due to ________ assoc with migraine
|
Decreased GI motility
|
|
Increased GI motility and thus helps increase the efficacy of acute anti-migraine meds
|
Metoclopramide
|
|
Rectal, nasal, IM, SC used to tx migraines that are (2)
|
- At max intensity for 60mins or less
- Associated with severe N/V |
|
Acute abortive med effective in relieving pain of some attacks
|
Acetaminophen
|
|
Acute abortive
- Helpful for mild-moderate attacks --> esp if inflm invovled - ADR incidence is high |
NSAIDs
|
|
Acute abortive NSAID
- Can be used alone or with caffeine/butalbital |
Acetylsalicylic acid (ASA)
|
|
Acute abortive NSAID
- Inactivates platelets so can't give 7 days before surgery |
Acetylsalicylic acid (ASA)
|
|
Acute abortive NSAID
- Has about same efficacy as ergotamine tartrate |
Naproxen
|
|
3 more NSAIDs besides ASA and Naproxen
|
- Ibuprofen
- Ketoprofen - Piroprofen |
|
Acute abortive opioid
- Rapid onset --> used in ER |
Butorphanol
|
|
2 kinds of acute abortive serotonin agonists
|
- Ergot derivatives
- 5HT1D/5HT1B Agonists |
|
Ergot derivatives are agonists at all _____ R's (2)
|
- 5HT1
- 5HT2 |
|
Probably won't prescribe ergot derivatives --> cause ______ to dec pain
|
Vasoconstriction
|
|
Ergot derivatives can induce _________ --> causes myocardial or peripheral ischemia
|
Vasospasm
|
|
Ergot derivatives contraindications (3)
|
- severe CAD
- Peripheral vascular dz --> Reynaud's --> Uncontrolled HTN |
|
Cause fibrotic complications --> scar tissue in lungs, heart or GIT
|
Ergot Derivatives
|
|
Ergot derivative
- Not an analgesic --> but decs pain from serotonin effects - Widely used - esp after analgesic fail - Mot effective if taken early in attack |
Ergotamide tartrate
|
|
Ergot derivative for acute migraine
- Not effective for tension headache |
Ergotamide tartrate
|
|
Ergotamide tartrate has high incidence of ADRs (2)
|
- N/V (prevent w/ antimetic)
- Drowsiness (so have to limit use at work) |
|
Overuse of ergotamide for acute migraine can cause (2)
|
- Rebound H/A
- 'ergotamide h/a' |
|
Has a poor benefit/risk ratio --> there are better drugs for acute migraine
|
Ergotamide
|
|
Severe ADRs of Ergotamide (aka 'ergotism')
|
- Vascular occlusion
- Gangrene |
|
Ergotamide vascular occlusion and gangrene occurs with OD or concomittant use with (3)
|
- Beta blocker
- Erythromycin - Troleandomycin |
|
- Derivative of ergotamine
- Available SC, IM, IV or nasal sprary |
Dihydroergotamine
|
|
For acute migraine
- Less vasoconstrictive than ergotamine --> less likely to cause HTN |
Dihydroergotamine
|
|
Causes less N/V and HTN than ergotamine
|
Dihydroergotamine
|
|
For acute migraine
- Little or no risk of rebound h/a - ADRs - diarrhea + muscle cramps |
Dihydroergotamine
|
|
Dihydroergotamine ADRs
|
- Diarrhea
- Muscle cramps |
|
5HT1D/5HT1B agonists = aka
|
Triptans
|
|
Show best results to tx acute migraine
- Safer b/c more targetd action |
5HT1D / 5HT1B Agonists
|
|
Category of acute migraine tx'ers
- Largely biotransformed (so dec availablity if PO) |
5HT1D / 5HT1B agonists
|
|
Triptan sensations
(prob not cardiac in origin) (4) |
- Hot/Cold/Pressure
- Heavy/Tight chest - Tingling and numbness - Anxiety |
|
Used only when clear dx of migraine has been made
|
5HT1D / 5HT1B agonists
|
|
5 HT1D / 5HT1B agonists can not be used (3)
|
Unrecognized CAD --> esp in:
- Postmenopausal F - M > 40 yrs - Pts with risk factors for CAD (HTN, high chol, obesity, DM, fam hx) |
|
5HT1D / 5HT1B agonists contraindications (5)
|
- Uncontrolled HTN
- CAD - Peripheral vasc dz - Use of other 5HT1 agonists - Ergotamine or a derivative of in past 24 hrs |
|
5HT1D/5HT1B agonist
- Parenteral, tablets or nasal sprary |
Sumatriptan
|
|
5HT1D/5HT1B agonist
- Lowest bioavailability of triptans - study = reduced headache 70% vs 22% placebo |
Sumatriptan
|
|
Sumatriptan much more effective at decreasing a severe h/a but ______
|
More likely to have recurrent sx's within 24 hrs
|
|
ADRs for = 50% vs 33% placebo
|
Sumatriptan
|
|
5HT1D/5HT1B agonists (7)
|
- Sumatriptan
- Naratriptan - Rizatriptan - Almotriptan - Eletriptan - Frovatriptan - Zolmitriptan |
|
Prophylactic anti-migraine agents are given ______ even in absence of attacks
|
Daily
|
|
Realistic goal of prophylactic migraine therapy
|
50% reduction in frequency
|
|
Preventative agents cause a satisfactory response in ____% of pts
|
60%
|
|
Clinical trials do not show significant differences in meds used for ____
|
Migraine prophylaxis
|
|
DOC for migraine prevention
|
Beta blockers
|
|
3 Beta blockers used to tx migraine
|
- Propanolol
- Metoprolol - Timolol |
|
Migraine prevention
- Do not dec aura - Caution in pts with DM b/c may mask hypoglycemia |
Beta blockers
|
|
Beta blockers ADRs (3)
|
- Fatigue
- Depression - Hypotension |
|
Beta blockers contraindicated in (2)
|
- Asthma
- CHF |
|
Preventative meds that help if there is a depression element involved
|
Tricyclic Antidepressants
|
|
TCAs used to prevent migraine (2)
|
- Amytriptyline
- Nortriptyline |
|
TCA used to prevent migraine
- 80% improvement in 60% of pts with severe disabiling h/a's |
Amitryptiline
|
|
TCA
- Less ADRs than amitryptiline --> may also be as effective |
Nortriptyline
|
|
- Not proven effective for migraine prevention
- Also interact with MAO inhibitors --> limits use |
SSRIs
|
|
SSRI to prevent migraine (not proven effective) (3)
|
- Fluoxetine
- Paroxetine - Venlafaxine |
|
Have + and - results in treating migraine (3)
|
Calcium channel blockers
- Verapamil - Diltiazam - Nifedipine |
|
Commonly used to prevent migraine but there is no clinical evidence to support it
|
Opioids
|
|
May dec migraine by dec'ing electrical activity --> takes care of neuronal excitability component
|
Anticonvulsants
|
|
Anticonvulsants used to prevent migraine (3)
|
- Gabapentin
- Divalproex - Topiramate |
|
Anticonvulsant recently FDA approved to prevent migraine in adults
- Most common ADR = tingling in extremities |
Topiramate
|
|
NSAID used to prevent migraine
|
Naproxen
|
|
Alpha-2 adrenergic agonist used to prevent migraine
|
Clonidine
|
|
Migraine pathway (7)
|
Originates deep in brain --> electrical impulse spread --> change in nerve activity and BF --> visual probs, numbness, dizziness, tingling --> BV dilation and inflm --> irritates CN5 --> severe throbbing pain
|
|
Serotonin syndrome can occur when combining these two antimigraine meds
|
- SSRIs
- Triptans |
|
____ may decrease need for anti-migraine meds
|
OMT
|