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Titolo:
Relation of fibrillatory wave amplitude with hemostatic abnormality and left atrial appendage dysfunction in patients with chronic nonrheumatic atrial fibrillation
Autore:
Nakagawa, K; Hirai, T; Shinokawa, N; Uchiyama, Y; Kameyama, T; Takashima, S; Fujiki, A; Asanoi, H; Inoue, H;
Indirizzi:
Toyama Med & Pharmaceut Univ, Dept Internal Med 2, Toyama 9300194, Japan Toyama Med & Pharmaceut Univ Toyama Japan 9300194 Toyama 9300194, Japan
Titolo Testata:
JAPANESE CIRCULATION JOURNAL-ENGLISH EDITION
fascicolo: 5, volume: 65, anno: 2001,
pagine: 375 - 380
SICI:
0047-1828(200105)65:5<375:ROFWAW>2.0.ZU;2-T
Fonte:
ISI
Lingua:
ENG
Soggetto:
SPONTANEOUS ECHO CONTRAST; BLOOD-FLOW VELOCITY; FIBRIN D-DIMER; TRANSESOPHAGEAL ECHOCARDIOGRAPHY; THROMBOEMBOLIC RISK; EMBOLIC RISK; STROKE; SIZE; THROMBOGENESIS; ENLARGEMENT;
Keywords:
fibrillatory wave; hemostatic markers; thromboembolism;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Clinical Medicine
Life Sciences
Citazioni:
41
Recensione:
Indirizzi per estratti:
Indirizzo: Inoue, H Toyama Med & Pharmaceut Univ, Dept Internal Med 2, 2630 Sugitani,Toyama 9300194, Japan Toyama Med & Pharmaceut Univ 2630 Sugitani Toyama Japan 9300194
Citazione:
K. Nakagawa et al., "Relation of fibrillatory wave amplitude with hemostatic abnormality and left atrial appendage dysfunction in patients with chronic nonrheumatic atrial fibrillation", JPN CIRC J, 65(5), 2001, pp. 375-380

Abstract

Large left atrium (LA) and LA appendage (LAA) dysfunction are known to relate to cardiogenic thromboembolism, so the present study investigated the relation of the atrial fibrillatory wave (F wave) amplitude to hemostatic markers and LAA function. Transthoracic and transesophageal echocardiographicstudies were performed in 82 consecutive patients with chronic, nonrheumatic atrial fibrillation (AF). Patients were divided into 2 groups according to F wave amplitude in lead V1 on the 12-lead EGG: coarse AF (the greatest amplitude of F wave greater than or equal to1 mm, n=44) and fine AF (<1 mm,n=38). Plasma levels of thrombin-antithrombin m complex, D-dimer, plateletfactor 4 and <beta>-thromboglobulin were determined. Compared with patients with coarse AF, those with fine AF had lower LAA peak how velocity (p<0.05) and higher prevalence of embolic cerebral infarction (50% vs 27%, p<0.05). Platelet activity did not differ between the 2 groups; however, plasma levels of thrombin-antithrombin ill complex and D-dimer were significantly higher in patients with fine AF than in those with coarse AF (p<0.05), Multiple logistic regression analysis showed that fine AF was independently associated with cerebral embolism. Therefore, the presence of fine F wave in VIwould be a useful marker of LAA dysfunction and hypercoagulability, and indicate a risk for cerebral embolism in patients with chronic, nonrheumatic AF.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 01/12/20 alle ore 22:58:16