trombosi intra-stent trigger anatomici cenni di terapia
TRANSCRIPT
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TROMBOSI INTRA-STENT
• TRIGGER ANATOMICI• CENNI DI TERAPIA
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TROMBOSI DELLO STENT NEL TEMPO
ESC
2006
NU
OVA
DEF
INIZ
ION
E ST
PUBB
LICA
ZIO
NI D
ATI D
I REG
ISTR
I
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TROMBOSIINTRASTENT
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CORRETTA APPOSIZIONE
MALAPPOSIZIONE(SOTTOESPANSIONE)
MALAPPOSIZIONE TARDIVA(RIMODELLAMENTO +)
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FLOW-CHART PER OTTIMIZZAZIONE IVUS DELLA PCI
Colombo et al,: Catheter and Cardiovasc Interv 74:348-356, 2009
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THE DARK SIDE OF THE MOON
IVUS E OCT ALLEATI NEL COMBATTERE LA TROMBOSI INTRASTENT
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TERAPIA DELLA TROMBOSI INTRASTENT
• RICONOSCERE IL MECCANISMO• FASE ACUTA– TROMBOASPIRAZIONE– INIBITORI IIb/IIIa– OTTIMIZZAZIONE PROCEDURA
• TERAPIA DI MANTENIMENTO– INCREMENTO DOSE CLOPIDOGREL (carico e
mantenimento) OPPURE– UTILIZZO ALTRI FARMACI (PRASUGREL, TICAGRELOR)
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ATTIVAZIONE EOSINOFILI E TROMBOSI DELLO STENT
CAUSA RARA DI TROMBOSI DELLO STENTDI SOLITO TARDIVAIPERSENSIBILITA’ AL POLIMERO?DOCUMENTATA CON STENT CYPHER
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SPIRIT IV
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Stent thrombosis
Ticagrelor
(n=5,640)
Clopidogrel
(n=5,649)
HR
(95% CI) p value
Stent thrombosis, n (%)
Definite
Probable or definite
Possible, probable, definite
71 (1.3)
118 (2.1)
155 (2.8)
106 (1.9)
158 (2.8)
202 (3.6)
0.67 (0.50–0.91)
0.75 (0.59–0.95)
0.77 (0.62–0.95)
0.009
0.02
0.01
(evaluated in patients with any stent during the study)
*Time-at-risk is calculated from first stent insertion in the study or date of randomisation
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TERAPIA DELLA TROMBOSI DELLO STENT
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DEFINIZIONE DI TROMBOSI DELLO STENT (Academic Research Consortium)
• DEFINITA: SCA + evidenza angiografica/anatomopatologica di trombosi dello stent
• PROBABILE: morte inspiegata<30giorni dopo applicazione di stent o STEMI correlato al vaso trattato (in caso di mancanza di documentazione angiografica)
• POSSIBILE: morte inspiegata>30giorni dopo applicazione di stent