Farmacologia del SISTEMA NERVIÓS PARASIMPÀTIC

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Flashcards on Farmacologia del SISTEMA NERVIÓS PARASIMPÀTIC, created by Laura Martin Hernandez on 09/11/2017.
Laura Martin Hernandez
Flashcards by Laura Martin Hernandez, updated more than 1 year ago
Laura Martin Hernandez
Created by Laura Martin Hernandez over 6 years ago
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Receptors SISTEMA NERVIOS PARASIMPÀTIC M1: Tracte GI (↑secrecions) M2: cor (↓ FC) M3: Glàndules, bronquis-broncoconstr!, GI, vasos, ull-miosis (↑contrac, ↑secrecions, ↑motilitat)
Farmacologia SNP - Parasimpaticomimetics (agonistes muscarinics) - directes / indirectes - parasimpaticolitics (next) Directes: 1. ESTERS DE COLINA Acetilcolina Metacolina Carbacol Metanecol 2. ALCALOIDES NATURALS Pilocarpina* Muscarina 3. FÀRMACS SINTÈTICS Oxotremorina indirectes --> I! colinesterasa
parasimpaticolítics (antagonistes muscarínics) 1. ALCALOIDES NATURALS Atropina i escopolamina 2. DERIV. SEMISINTETICS Homatropina Butilescopolamina 3. DERIVATS SINTÈTICS Ciclopentolat 4. ANTAGONISTES M3 SELECTIU Tolterodina i darifenacina
PARASIMPATICOMIMETICS INDIRECTES Enzim AchE té dues parts: locus anionic i estearic F --> t diferent accio curta: Edrofonio A! intermedia: neostigmina, galantamina A! perllongada: paration, escotiopato
aplicacions terapeutiques PSMIMETICS INDIRECTES ( farmacs esmentats) - glaucoma - miastenia gravis - alzheimer - glaucoma: fisostigmina + ecotiopato* - miastenia gravis: neostigmina* + edrofonio* + piridostigmina - alzheimer: rivastigmina, donepezilo + galantamina*
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