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La tecnologia non invasiva di monitoraggio emodinamico di Cheetah Medical è stata giudicata uno strumento promettente ed estremamente preciso per i pazienti affetti da ipertensione polmonare

- I ricercatori dell'Università di Chicago hanno scoperto che la tecnologia BIOREACTANCE(R) garantisce una grande precisione nel monitoraggio dell'emodinamica nei pazienti affetti da ipertensione polmonare, indicandone un ruolo cruciale nella gestione della patologia e nella ricerca


News provided by

Cheetah Medical Ltd

May 18, 2011, 01:00 ET

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TEL AVIV, Israele e PORTLAND, Oregon, May 18, 2011 /PRNewswire/ -- Mercoledì 18 maggio, in occasione del congresso annuale dell'American Thoracic Society 2011 a Denver, sono stati presentati i risultati di uno studio che convalida il sistema non invasivo NICOM(R) di Cheetah Medical per l'uso specifico nei pazienti affetti da ipertensione polmonare.

L'ipertensione polmonare è una patologia potenzialmente letale che colpisce cuore e polmoni. La causa è il graduale restringimento delle arterie polmonari che impedisce al sangue di circolare normalmente dal cuore ai polmoni. Ciò significa che il cuore deve lavorare più intensamente del normale per pompare il sangue attraverso i polmoni. Con il tempo, il cuore diventa più debole e non riesce a mantenere il ritmo, provocando un decremento del flusso sanguigno. Alla fine, il cuore diventa così debole che non riesce a pompare la quantità di sangue necessaria al corpo, anche in stato di riposo, con conseguenti sintomi debilitanti di arresto cardiaco come il fiato corto a riposo o in caso di attività leggere (ad esempio dopo aver salito due rampe di scale), spossatezza, gonfiore alle gambe e allo stomaco, e palpitazioni (battiti cardiaci anomali).

I medici hanno cercato metodi migliori per monitorare la progressione della patologia in modo tale da perfezionare le cure. Tuttavia, i metodi tradizionali per valutare i parametri emodinamici dei pazienti e, in modo particolare, la gittata cardiaca, sono altamente invasivi e pertanto subottimali per la valutazione seriale di routine dell'ipertensione polmonare.

In questo studio, il sistema non invasivo di monitoraggio emodinamico e della gittata cardiaca di Cheetah Medical NICOM(R) è stato utilizzato per monitorare la performance emodinamica in 25 pazienti affetti da ipertensione polmonare. I ricercatori dell'Università di Chicago hanno confrontato i risultati ottenuti con NICOM e quelli ottenuti con due metodi ottimali invasivi, cioè il catetere arterioso polmonare, conosciuto anche come catetere di Swan-Ganz, e il metodo Fick. Il sistema NICOM ha fornito misurazioni accurate e precise quanto quelle dei metodi standard, ma è risultato completamente non invasivo.

Il dottor Stuart Rich, Professore di medicina all'università di Chicago, nonché ricercatore capo dello studio, ha dichiarato: "La sopravvivenza nei pazienti affetti da ipertensione polmonare è strettamente legata alla loro gittata cardiaca. Tuttavia, dato che le misurazioni della gittata cardiaca richiedevano una cateterizzazione cardiaca invasiva, i pazienti non vi si sottopongono frequentemente. Con la convalida di una tecnica semplice e non invasiva per la misurazione della gittata cardiaca in questi pazienti, i medici dovrebbero essere in grado di valutare frequentemente le condizioni dei pazienti e giudicare meglio l'efficacia delle cure."

I ricercatori sperano che queste scoperte promuoveranno l'uso del monitoraggio della gittata cardiaca non solo nella pratica clinica di routine per fornire metodi obiettivi di rilevamento delle modifiche nello stato patologico e nella risposta alla terapia, ma anche come primo passo per esplorare l'utilità di questa tecnica nei test clinici come strumento di screening preventivo volto a differenziare le cure efficaci da quelle non efficaci per l'ipertensione polmonare.

Informazioni su Cheetah Medical

Il sistema non invasivo di monitoraggio emodinamico e della gittata cardiaca NICOM(R) di Cheetah Medical impiega la tecnologia BIOREACTANCE(R) di proprietà della società per fornire in modo costante, preciso e non invasivo parametri di monitoraggio della gittata cardiaca e altri parametri emodinamici vitali utili per l'amministrazione dei fluidi e la titolazione dei farmaci. Il sistema è stato approvato dall'FDA e ha ottenuto il marchio CE, e a partire dal suo lancio commerciale nel 2008 è stato adottato da un numero crescente di medici in tutto il mondo. La sede centrale di Cheetah Medical si trova a Tel-Aviv, Israele, mentre la sua sede statunitense si trova a Portland, in Oregon. Per ulteriori informazioni, visita il nostro sito web all'indirizzo http://www.cheetah-medical.com.

Per ulteriori informazioni, contattare: Dr. Yoav Avidor, CEO di Cheetah Medical Inc. [email protected] Telefono: +972-3-644-0288

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