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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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Background and Purpose Left atrial dysfunction has been reported in patients with patent foramen ovale (PFO). Here we investigated the role of left atrial dysfunction in the development of embolic stroke in patients with PFO.
Methods We identified consecutive patients with embolic stroke of undetermined sources except for PFO (PFO+ESUS). Healthy subjects with PFO served as controls (PFO+control). A stratified analysis by 10-year age group and an age- and sex- matching analysis were performed to compare echocardiographic markers between groups. In the PFO+ESUS group, infarct patterns of PFO-related stroke were determined (cortical vs. cortico-subcortical) and analyzed in correlation with left atrial function parameters.
Results A total of 118 patients and 231 controls were included. The left atrial volume indices (LAVIs) of the PFO+ESUS patients were higher than those of the PFO+controls in age groups of 40–49, 50–59, and 60–69 years (P<0.001, P=0.003, and P=0.027, respectively), and in the age- and sex-matched analysis (P=0.001). In the PFO+ESUS patients, a higher (>28 mL/m2) LAVI was more associated with the cortical infarct pattern (P=0.043 for an acute infarction and P=0.024 for a chronic infarction, both adjusted for age and shunt amount). The degree of right-to-left shunting was not associated with infarct patterns, but with the posterior location of acute infarcts (P=0.028).
Conclusions Left atrial enlargement was associated with embolic stroke in subjects with PFO. Left atrial physiology might contribute to the development of PFO-related stroke and need to be taken into consideration for optimal prevention of PFO-related stroke.
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참고문헌 (33)
참고문헌 신청
Dennis M / 2014 / Embolic stroke of undetermined source: a therapeutic target? / Lancet Neurol 13:344~346
Alsheikh-Ali AA / 2009 / Patent foramen ovale in cryptogenic stroke: incidental or pathogenic? / Stroke 40:2349~2355
Kent DM / 2010 / Is patent foramen ovale a modifiable risk factor for stroke recurrence? / Stroke 41(suppl):S26~S30
Kent DM / 2013 / An index to identify stroke-related vs incidental patent foramen ovale in cryptogenic stroke / Neurology 81:619~625
Meier B / 2013 / Percutaneous closure of patent foramen ovale in cryptogenic embolism / N Engl J Med 368:1083~1091
Alsheikh-Ali AA / 2009 / Patent foramen ovale in cryptogenic stroke: incidental or pathogenic? / Stroke 40:2349~2355
Kent DM / 2010 / Is patent foramen ovale a modifiable risk factor for stroke recurrence? / Stroke 41(suppl):S26~S30
Kent DM / 2013 / An index to identify stroke-related vs incidental patent foramen ovale in cryptogenic stroke / Neurology 81:619~625
Meier B / 2013 / Percutaneous closure of patent foramen ovale in cryptogenic embolism / N Engl J Med 368:1083~1091
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