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Titolo:
EFFECTS OF TECHNIQUE MODIFICATION ON IMMEDIATE RESULTS OF HIGH-SPEED ROTATIONAL ATHERECTOMY IN 710 PROCEDURES ON 656 PATIENTS
Autore:
STERTZER SH; POMERANTSEV EV; FITZGERALD PJ; SHAW RE; WALTON AS; SINGER AH; YEUNG A; YOCK PG; OESTERLE SN;
Indirizzi:
STANFORD UNIV,DIV CARDIOVASC MED,900 WELCH RD,SUITE 202 PALO ALTO CA 94304
Titolo Testata:
Catheterization and cardiovascular diagnosis
fascicolo: 4, volume: 36, anno: 1995,
pagine: 304 - 310
SICI:
0098-6569(1995)36:4<304:EOTMOI>2.0.ZU;2-F
Fonte:
ISI
Lingua:
ENG
Soggetto:
CORONARY; ABLATION; EXPERIENCE; ARTERIES; REMOVAL; LESIONS;
Keywords:
CORONARY ARTERY DISEASE; ROTABLATOR; CORONARY INTERVENTIONS; CORONARY LESION ANATOMY; PROCEDURAL RESULTS AND COMPLICATIONS;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Citazioni:
16
Recensione:
Indirizzi per estratti:
Citazione:
S.H. Stertzer et al., "EFFECTS OF TECHNIQUE MODIFICATION ON IMMEDIATE RESULTS OF HIGH-SPEED ROTATIONAL ATHERECTOMY IN 710 PROCEDURES ON 656 PATIENTS", Catheterization and cardiovascular diagnosis, 36(4), 1995, pp. 304-310

Abstract

Seven hundred ten high speed rotational atherectomy (HSRA) procedureswere performed in a single consecutive series of 656 patients. Stand alone HSRA was performed in 253 patients (35%). HSRA with adjunctive low pressure (less than or equal to 2 ATM) balloon angioplasty (LP BA) was performed in 221 patients (31%), and HSRA with adjunctive high pressure (greater than or equal to 4 ATM) balloon angioplasty (HP BA) wasperformed in 236 patients (34%). Prognostically unfavorable Type B2 and C lesions dominated the study group (74.7%). Procedural success rate was 96%. Emergency coronary artery bypass surgery was performed in 1.4% of cases, Q wave myocardial infarction occurred in 3.4% and death,related to procedure, was consequent in 0.5% of cases. Incidence of flow limiting dissections was 3.1%, distal spasm was 5.3%, and ''no reflow'' phenomenon was 1.8%. The recent technique modifications includedcontinuous advancer/guiding catheter infusion of the nitroglycerin-verapamil mixture, limitation of duration of lesion engagement by the burr, stepwise increase in the burr size, decrease of rotational speed, and strict control of rpm drop during lesion ablation. Evolution of the interventional technique involved trends towards decrease of the useof HP BA in conjunction with steady increase in the percentage of SA and LP BA procedures over time. These technique changes resulted in complete absence of ''no reflow'' in 1994, as well as a generalized decrease in overall coronary vascular reactivity from all burr passes. (C)1995 Wiley-Liss, Inc.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 18/09/20 alle ore 19:56:28