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KWINECKI
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Tytuł oryginału:
Myocardial perfusion correlates with improvement of systolic function of the left ventricle after CABG. Dobutamine echocardiography and Tc-99m-MIBI SPECT study.
Autorzy:
Paluszkiewicz
L.,
Kwinecki
P.,
Jemielity
M.,
Dyszkiewicz
W[ojciech],
Cieśliński
A.,
Szyszko
A.
Źródło:
Eur. J. Cardiothorac. Surg. 2002: 21 (1) s.32-35, tab., bibliogr. 20 poz. - 14 Doroczne Spotkanie Europejskiego Towarzystwa Chirurgii Klatki Piersiowej i Serca Frankfurt 07-11.10. 2000
Sygnatura GBL:
312,899
Hasła klasyfikacyjne GBL:
chirurgia
kardiologia
radiologia
Typ dokumentu:
praca kliniczna
praca opublikowana za granicą
tytuł obcojęzyczny
Wskaźnik treści:
ludzie
Streszczenie angielskie:
Objective: The aim of the study was to assess the effect of surgical revascularization [coronary artery bypass grafting (CABG)] on systolic function and perfusion of the left ventricle using dobutamine echocardiography (DE) and Tc-99m-MIBI SPECT (SPECT). Methods: There were 32 patients mean age 52.2 ń 7.2 years in whom DE and SPECT were performed before and 3-4 months after CABG using standard protocols. Wall motion score index (WMSI) and perfusion index (PI) were calculated. Results: Significant improvement of WMSI at rest (1.44 ń 0.46 vs 1.33 ń 0.41; P = 0.03) as well as after maximal dose of dobutamine (1.49 ń 0.42 vs 1.30 ń 0.44; P = 0.02) was observed after CABG as compared to preoparative examination. Similar relation was observed during SPECT study. Perfusion index diminished significantly after revascularization during rest acquisition (2.19 ń 0.71 vs 1.93 ń 0.70; P = 0.0008) and after Dipirydamole administration (2.73 ń 0.73 vs 2.20 ń 0.69; P = 0.0001) as compared to preoperative examination. We found correlation between PI and WMSI at rest before CABG (R = 0.46; P = 0.01). PI after Dipirydamole and WMSI after maximal dose of Dobutamine before CABG (R = 0.37; P = 0.04), PI and WMSI at rest CABG (R = 0.39; P = 0.03), PI after Dipirydamole and WMSI after dobutamine after CABG (R = 0.38; P = 0.03). Conclusions: Surgical revascularization significantly improves both perfusion and contractility. Increased perfusion after CABG correlates with improvement of systolic function of the left ventricle.
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