Dopamina: Diferenzas entre revisións

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A dopamina ten tamén efectos fóra do sistema nervioso central cando se admministra por vía intravenosa IV, que son dependentes da dose.
 
* Induce a [[natriurese]] (eliminación de sodio) nos [[ril]]es a doses baixas, e ten un efecto diurético.<ref>{{cite journal | last1=Gildea | first1=John J | title=Dopamine and angiotensin as renal counterregulatory systems controlling sodium balance | journal=Current Opinion in Nephrology and Hypertension | volume=18 | issue=1 | pages=28–32 | year=2009 | pmid=19077686 | pmc=2847451 |doi=10.1097/MNH.0b013e32831a9e0b }}</ref><ref>{{cite journal | last1=Cinelli | first1=A. R. | last2=Efendiev | first2=R. | last3=Pedemonte | first3=C. H. | title=Trafficking of Na-K-ATPase and dopamine receptor molecules induced by changes in intracellular sodium concentration of renal epithelial cells | journal=AJP: Renal Physiology | volume=295 | issue=4 | pages=F1117–25 | year=2008 | pmc=2576148 | doi = 10.1152/ajprenal.90317.2008 | pmid=18701625}}</ref> <ref>{{cite web |publisher=Circulation. 2008;117:200-205 |title=Renal Vasodilatory Action of Dopamine in Patients With Heart Failure: Magnitude of Effect and Site of Action | accessdate=2009-04-20 | url=http://www.circ.ahajournals.org/cgi/content/full/117/2/200}}</ref> <ref name=pharmnemonics>{{CiteCita booklibro | author=Shen, Howard | title=Illustrated Pharmacology Memory Cards: PharMnemonics | year=2008 | publisher=Minireview | isbn=1-59541-101-1 | pages=8}}</ref>
 
* A doses intermedias ten ademais un efecto positivo [[inotrópico]] e [[cronotrópico]] por medio do incremento da activación dos [[receptor beta-1 adrenérxico|receptores β<sub>1</sub>]]. A dopamina utilízase en pacientes con [[shock]] circulatorio ou [[insuficiencia cardíaca]] para incrementar o [[gasto cardíaco]] e a [[presión arterial]]. <ref name=pharmnemonics /> <ref>{{cite web |publisher=Drugs.com |title=Dopamine and Dextrose | accessdate=2009-04-20 | url=http://www.drugs.com/pro/dopamine-and-dextrose.html}}</ref>