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Myocardial perfusion evaluation post percutaneous transluminal septal myocardial ablation in patients with hypertrophic obstructive cardiomyopathy by ⁹⁹Tc(m) MIBI SPECT MPI / 中华心血管病杂志
Chinese Journal of Cardiology ; (12): 497-502, 2011.
Artigo em Chinês | WPRIM | ID: wpr-272212
ABSTRACT
<p><b>OBJECTIVE</b>To evaluate the myocardial perfusion and function in patients with hypertrophic obstructive cardiomyopathy (HOCM) before and after percutaneous transluminal septal myocardial ablation (PTSMA).</p><p><b>METHODS</b>Sixty-eight patients with hypertrophic obstructive cardiomyopathy were included and (99)Tc(m)-MIBI SPECT MPI was applied before and at 1 week after PTSMA, six-month follow-up was finished in 11 patients. Semi quantity and QGS quantity perfusion and function assessment was performed in 17 LV segments.</p><p><b>RESULTS</b>Myocardial perfusion post-PTSMA was significantly reduced in 98% patients, especially in basal anterosepta, basal interseptal, mid-anteroseptal, mid-interseptal and apical septal segments compared with pre-PTSMA (all P < 0.05). Perfusion was significantly increased at 6 months follow-up than at 1 week post-PTSMA but still lower than pre-PTSMA (all P < 0.05). LVEF (evaluated by gated SPECT) was similar before and after the procedure (P > 0.05). Regional wall motion after PTSMA was lower than pre-PTSMA in basal anterior, basal anteroseptal, basal interseptal and basal inferior (P < 0.05). Regional wall thinkening was lower than pre-PTSMA in basal interseptal, mid-anteroseptal, mid-interseptal (P < 0.05).</p><p><b>CONCLUSIONS</b>(99)Tc(m) MIBI SPECT can be used to monitor myocardial perfusion post PTSMA in patients with HOCM.</p>
Assuntos
Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Assunto principal: Cirurgia Geral / Cardiomiopatia Hipertrófica / Diagnóstico por Imagem / Tomografia Computadorizada de Emissão de Fóton Único / Ablação por Cateter / Angioplastia com Balão / Métodos Tipo de estudo: Estudo diagnóstico Limite: Adolescente / Adulto / Idoso / Feminino / Humanos / Masculino Idioma: Chinês Revista: Chinese Journal of Cardiology Ano de publicação: 2011 Tipo de documento: Artigo

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Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Assunto principal: Cirurgia Geral / Cardiomiopatia Hipertrófica / Diagnóstico por Imagem / Tomografia Computadorizada de Emissão de Fóton Único / Ablação por Cateter / Angioplastia com Balão / Métodos Tipo de estudo: Estudo diagnóstico Limite: Adolescente / Adulto / Idoso / Feminino / Humanos / Masculino Idioma: Chinês Revista: Chinese Journal of Cardiology Ano de publicação: 2011 Tipo de documento: Artigo