Lactato deshidroxenase: Diferenzas entre revisións

MeasuringA LDHmedida inda fluidLDH aspirateden fromfluídos aaspirados dun [[derramamento pleural effusion]] (orou [[pericardialderramamento effusionpericárdico|pericárdico]]) canpoden helpaxudar ina thedistinguir distinction betweenentre [[exudateexudado]]s (activelyfluídos secretedsegregados fluidactivamente, e.g.por dueexemplo, todebido á [[inflammationinflamación]]) orou [[transudatetransudado]]s (passivelyfluído secretedsegregado fluidpasivamente, due todebido a highunha alta [[hydrostaticpresión pressurehidrostática]] orou a lowunha baixa [[oncoticpresión pressureoncótica]]). TheO criterio usual criterioné isque thatunha aproporción ratiode ofLDH fluidno LDHfluído versuscon upperrespecto limitao oflímite normalsuperior serumdo LDH ofnormal moreno thansoro de maís de 0.,6<ref name="Heffner">{{cite journal | author = Heffner JE, Brown LK, Barbieri CA | title = Diagnostic value of tests that discriminate between exudative and transudative pleural effusions. Primary Study Investigators | journal = Chest | volume = 111 | issue = 4 | pages = 970–80 | year = 1997 | month = April | pmid = 9106577 | doi = 10.1378/chest.111.4.970 }}</ref> orou {{math|{{fraction|2|/3}}}}<ref name="Light's">{{cite journal | author = Light RW, Macgregor MI, Luchsinger PC, Ball WC | title = Pleural effusions: the diagnostic separation of transudates and exudates | journal = Ann. Intern. Med. | volume = 77 | issue = 4 | pages = 507–13 | year = 1972 | month = October | pmid = 4642731 | doi = 10.7326/0003-4819-77-4-507 }}</ref> indicatesindica anun exudateexudado, whilementres aque ratiounha ofproporción lessde indicatesmenor aindica un transudatetransudado. DifferentOs laboratoriesdistintos havelaboratorios differentteñen valuesdiferentes forvalores thecomo upperlímite limitsuperiro of serumde LDH no soro, butpero examplesson includeexemplos 200<ref name=joseph2001>{{cite journal | author = Joseph J, Badrinath P, Basran GS, Sahn SA | title = Is the pleural fluid transudate or exudate? A revisit of the diagnostic criteria | journal = Thorax | volume = 56 | issue = 11 | pages = 867–70 | year = 2001 | month = November | pmid = 11641512 | pmc = 1745948 | doi = 10.1136/thorax.56.11.867 }}</ref> ande 300<ref name=joseph2001/> [[Internationalunidade unitinternacional|IU]]/L.<ref name=Joseph2002>{{cite journal | author = Joseph J, Badrinath P, Basran GS, Sahn SA | title = Is albumin gradient or fluid to serum albumin ratio better than the pleural fluid lactate dehydroginase in the diagnostic of separation of pleural effusion? | journal = BMC Pulm Med | volume = 2 | issue = | pages = 1 | year = 2002 | month = March | pmid = 11914151 | pmc = 101409 | doi = 10.1186/1471-2466-2-1 }}</ref> InNun [[empyemaempiema]] (pus nunha cavidade anatómica natural), theos LDHniveis levelsde LDH, inen generalxeral, willexceden exceedas 1000 IU/L.