Data: 29/07/2010 - Ora:

Un nuovo studio del St. Michael’s Hospital

Pubblicato il 08. ott, 2009 da Dario Petraroia in Emodinamica

Un nuovo studio del St. Michael’s Hospital

Trasferire i pazienti colpiti da infarto del miocardio con sopraslivellamento ST in strutture attrezzate per effettuare l’angioplastica entro sei ore dalla somministrazione di farmaci anticoagulanti riduce il rischio di complicanze nel breve periodo, incluso il ripetersi di eventi ischemici. A ribadire il valore di questo protocollo d’azione un nuovo studio del St. Michael’s Hospital and Southlake Regional Hospital presentato sul New England Journal of Medicine.

Secondo gli autori della ricerca, infatti, procedere immediamente al trasferimento del paziente infartuato in reparti di emodinamica in grado di procedere ad angioplastica garantisce risultati nettamente migliori che non effettuare il trasferimento solo in caso di mancata efficacia del trattamento con fibrinolisi. Lo studio in oggetto ha preso in esame 1509 casi mettendo a confronto le due metodologie d’azione. I risultati hanno evidenziato che il 17% dei pazienti sottoposti a “protocollo standard” presentava serie complicanze cardiovascolari nei seguenti 30 giorni, contro l’11% per cento di coloro che erano stati invece inviati immediatamente in strutture “ad hoc”. In questi individui, inoltre, si riscontrava con minor frequenza il reiterarsi di episodi cardiaci (3,4% vs. 5, 7%).
“Nel caso di pazienti con infarto ST il fattore tempo è essenziale”, spiega Shaun Godman, primo autore della ricerca, ” e le chance di ripresa sono indubbiamente maggiori se c’è la possibilita, in caso si renda necessario, di procedere ad angioplastica immediatamente dopo terapia fibrinolitica”.
Fonte: Cantor WG, Fitchett D, Godman S, et al. Routine Early Angioplasty after Fibrinolysis for Acute Myocardial Infarction. New England Journal of Medicine 2009; 360:2705-2718.

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