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Suzuki, Makoto, MD; Sumiyoshi, Tetsuya, MD; Miyachi, Hideki, MD; Yamashita, Jun, MD; Yamasaki, Masao, MD; Miyauchi, Katsumi, MD; Yamamoto, Takeshi, MD; Nagao, Ken, MD; Tomoike, Hitonobu, MD; Takayama, Morimasa, MD
The American journal of cardiology, 06/2015, Letnik: 115, Številka: 12Journal Article
Optimal coronary reflow is the critical key issue to ameliorate clinical outcomes in patients with cardiogenic shock complicating ST-segment elevation myocardial infarction (Shock-STEMI). We investigated our hypothesis that pre-percutaneous coronary intervention (PCI) procedural coronary thrombectomy may provide clinical advantages to attempt optimal coronary reflow in patients with Shock-STEMI. Of 7,650 patients with acute myocardial infarction registered in the Tokyo CCU Network Scientific Council from January 2009 to December 2011, a total of 180 consecutive patients (144 men, 68 ± 13 years) with Shock-STEMI who showed pre-PCI procedural Thrombolysis in Myocardial Infarction flow grade 0 (absent initial coronary flow) were recruited. Achievements of post-PCI procedural Thrombolysis in Myocardial Infarction flow grade 3 (optimal coronary reflow) and also in-hospital mortality were evaluated in those in accordance with and without coronary thrombectomy. Coronary thrombectomy was performed in 128 patients with Shock-STEMI (71% of all). Overall in-hospital mortality was 41% and that in anterior Shock-STEMI with a necessity of mechanical circulatory support increased by 59% (i.e., profound shock). Coronary thrombectomy did not affect any improvements in the achievement of optimal coronary reflow (65% vs 58%, p = 0.368) and in-hospital mortality (42% vs 37%, p = 0.484) in these patients. Even when focused on 76 patients with profound shock, neither an achievement of optimal coronary reflow (56% vs 47%, p = 0.518) nor in-hospital mortality (58% vs 65%, p = 0.601) were different between with and without coronary thrombectomy. Multivariate logistic analysis did not demonstrate any association of coronary thrombectomy (p = 0.798), left main Shock-STEMI (p = 0.258), and use of mechanical circulatory support (p = 0.119) except a concentration of hemoglobin (for each 1 g/dl increase, odds ratio 1.247, 95% confidence interval 1.035 to 1.531, p = 0.019) with optimal coronary reflow. In conclusion, pre-PCI procedural coronary thrombectomy may have serious limitations on attempting optimal coronary reflow that indicates a necessity of promising strategies for this critical illness.
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JCR | SNIP | JCR | SNIP | JCR | SNIP | JCR | SNIP |
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in: SICRIS
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