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Left Atrial Volume is a Predictor of Major Adverse Cardiac Events in Patients with Acute Myocardial Infarction
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ÀÌÁö¼±(Lee Ji-Sun) - Àü³²´ëÇб³º´¿ø ½ÉÀå¼¾ÅÍ
Á¤¸íÈ£(Jeong Myung-Ho) - Àü³²´ëÇб³º´¿ø ½ÉÀå¼¾ÅÍ
ÀÌÁ¤¾Ö(Rhee Jung-Ae) - Àü³²´ëÇб³ ÀÇ°ú´ëÇÐ ¿¹¹æÀÇÇб³½Ç
ÃÖÁø¼ö(Choi Jin-Su) - Àü³²´ëÇб³ ÀÇ°ú´ëÇÐ ¿¹¹æÀÇÇб³½Ç
À±ÇöÁÖ(Yoon Hyun-Ju) - Àü³²´ëÇб³º´¿ø ½ÉÀå¼¾ÅÍ
±è°èÈÆ(Kim Kye-Hun) - Àü³²´ëÇб³º´¿ø ½ÉÀå¼¾ÅÍ
È«¿µÁØ(Hong Young-Joon) - Àü³²´ëÇб³º´¿ø ½ÉÀå¼¾ÅÍ
±èÁÖÇÑ(Kim Ju-Han) - Àü³²´ëÇб³º´¿ø ½ÉÀå¼¾ÅÍ
¾È¿µ±Ù(Ahn Young-Keun) - Àü³²´ëÇб³º´¿ø ½ÉÀå¼¾ÅÍ
Á¶Á¤°ü(Cho Jeong-Gwan) - Àü³²´ëÇб³º´¿ø ½ÉÀå¼¾ÅÍ
¹ÚÁ¾Ãá(Park Jong-Chun) - Àü³²´ëÇб³º´¿ø ½ÉÀå¼¾ÅÍ
°Á¤Ã¤(Kang Jung-Chaee) - Àü³²´ëÇб³º´¿ø ½ÉÀå¼¾ÅÍ
Abstract
Background/Aims: Diastolic dysfunction may develop in conjunction with or without systolic dysfunction in patients with acute myocardial infarction (AMI). The present study investigated the association between left arterial (LA) volume and major adverse cardiac events (MACE) in 772 patients with AMI.
Methods: The patients were divided into groups according to LA volume index (LAVI) measured using echocardiography according to the American Society of Echocardiography guidelines: LAVI ¡Ã 40 mL/m2 (Group I: n = 260,191 males; age, 71.1 ¡¾ 10.8 years) and LAVI < 40 mL/m2 (Group II: n = 512, 432 males; age, 62.8 ¡¾ 12.7 years). The mean observational period was 314.2 ¡¾ 134.6 days.
Results: Group I patients were older than those in Group II. Hypertension (56.8% vs. 46.0%, respectively; p = 0.007) and advanced Killip class (42.6% vs. 21.0%, respectively; p < 0.001) were more frequent in Group I than in Group II. MACE was more prevalent in Group I than in Group II (20.3% vs. 13.7%, respectively; p = 0.037). MACE-free survival rates were higher in Group II than in Group I during clinical follow-up. The multivariate analysis revealed that high LAVI was an independent predictor of mortality (hazard ratio, 3.002; confidedce interval, 1.051-8.569; p = 0.040).
Conclusions: LA volume is an independent predictor of adverse cardiac events in patients with AMI, and the LAVI is useful for AMI risk stratification. (Korean J Med 2014;86:33-41)
Å°¿öµå
Left atrium, Volume, Acute myocardial infarction, Prognosis
KMID :
0882420140860010033
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