Abstract
Il forame ovale pervio (PFO) è una variante anatomica caratterizzata dalla mancata fusione del septum I al septum II, che determina una comunicazione tra atrio destro e sinistro a livello della fossa ovale. L’incremento delle pressioni che si verifica in atrio sinistro alla nascita ne determina la chiusura entro il primo anno di vita. Nel 25% della popolazione tale chiusura non avviene e pertanto persiste una comunicazione tra i due atri. Ciò può comportare un transitorio shunt destro-sinistro in tutte quelle condizioni in cui la pressione atriale destra supera quella dell’atrio sinistro (per esempio, durante la manovra di Valsalva) e comportare il fenomeno dell’embolia paradossa. La presenza di un PFO è stata associata a diverse sindromi patologiche, tra le quali rivestono particolare importanza l’ictus criptogenetico, l’emicrania e l’embolia paradossa dei subacquei. Pertanto l’esercizio di sport subacquei con auto-respiratori è vietata ai portatori di PFO, mentre sono consentite tutte le altre attività sportive e le attività subacquee in apnea. L’interventistica non coronarica negli ultimi anni ha avuto un rilevante incremento in termini di popolarità, di attuabilità i risultati a breve e a medio-lungo termine sono in continuo miglioramento. In questo setting si inseriscono la chiusura percutanea del PFO, dell’auricola sinistra e il trattamento percutaneo della vasculopatia periferica (PTA o impianto di endoprotesi aortiche).
Al di là della ben accertata controindicazione all’esercizio degli sport subacquei con autorespiratori nei soggetti con PFO, in letteratura mancano ancora chiare indicazioni circa la pratica sportiva in soggetti sottoposti a interventistica non coronarica.
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Tommasino, A., Trani, C. (2011). Altre indicazioni cliniche: la pratica sportiva in pazienti con forame ovale pervio e soggetti sottoposti a interventistica non coronarica. In: Cardiologia dello Sport. Springer, Milano. https://doi.org/10.1007/978-88-470-2352-9_26
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DOI: https://doi.org/10.1007/978-88-470-2352-9_26
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