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Titolo:
Stent deployment in calcified lesions: Can we overcome calcific restraint with high-pressure balloon inflations?
Autore:
Vavuranakis, M; Toutouzas, K; Stefanadis, C; Chrisohou, C; Markou, D; Toutouzas, P;
Indirizzi:
Univ Athens, Hippokratio Gen Hosp, Dept Cardiol, Athens, Greece Univ Athens Athens Greece kratio Gen Hosp, Dept Cardiol, Athens, Greece
Titolo Testata:
CATHETERIZATION AND CARDIOVASCULAR INTERVENTIONS
fascicolo: 2, volume: 52, anno: 2001,
pagine: 164 - 172
SICI:
1522-1946(200102)52:2<164:SDICLC>2.0.ZU;2-2
Fonte:
ISI
Lingua:
ENG
Soggetto:
CORONARY-ARTERY DISEASE; INTRAVASCULAR ULTRASOUND; INTRACORONARY ULTRASOUND; PLAQUE MORPHOLOGY; DIABETIC-PATIENTS; ANGIOPLASTY; RESTENOSIS; INVITRO; IMPLANTATION; ANGIOGRAPHY;
Keywords:
intracoronary stents; calcified lesions;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Clinical Medicine
Citazioni:
23
Recensione:
Indirizzi per estratti:
Indirizzo: Vavuranakis, M Haimanda 24-26, Athens 15122, Greece Haimanda 24-26 Athens Greece 15122 , Athens 15122, Greece
Citazione:
M. Vavuranakis et al., "Stent deployment in calcified lesions: Can we overcome calcific restraint with high-pressure balloon inflations?", CATHET C IN, 52(2), 2001, pp. 164-172

Abstract

Although significant coronary artery (CA) calcification is believed to affect stent deployment, the exact impact on stent deployment after high-pressure balloon inflations is unknown. Intracoronary intravascular examination (ICUS) was performed in 27 moderate-severe calcified CA lesions before and after stent implantation. In case of unsatisfactory results (in-stent area < 90%, minimal in-stent diameter/maximal in-stent diameter < 0.8), further inflations up to 20 atm guided by ICUS were applied. Initially, stent expansion was adequate in 10 stents (37%) and symmetric in 19 (70%). After inflation at 20 atm, stents with adequate expansion increased to 16 (59%, P = 0.0036), but stents with symmetry decreased to 13 (48%, P = 0.0045). Stent expansion was inversely correlated to the are of calcium (r = -0.8, P < 0.0001). There were five patients with clinical restenosis at 6 months (18%). Increases in stent lumen area with high-pressure balloon inflations in moderate-severe calcified CA lesions are at the expense of symmetry. This may affect clinical restenosis. Cathet Cardiovasc Intervent 2001;52:164-172. (C) 2001 Wiley-Liss, Inc.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 23/01/20 alle ore 12:46:00