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α-Synuclein pathology is related to postoperative delirium in patients undergoing gastrectomy

 Mun Kyung Sunwoo  ;  Jin Yong Hong  ;  Phil Hyu Lee  ;  Se Hoon Kim  ;  Hyun Jung Park  ;  Junjeong Choi 
 Neurology, Vol.80(9) : 810-813, 2013 
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Objective: The clinical characteristics of postoperative delirium are similar to core features of α-synuclein–related cognitive disorders, such as dementia with Lewy bodies or Parkinson disease dementia. We therefore investigated the α-synuclein pathology in patients who experienced postoperative delirium after gastrectomy for stomach cancer. Method: Patients with and without postoperative delirium were selected among patients undergoing total gastrectomy for primary gastric cancer from 2007 to 2011 (each n = 16) at the university hospital. Immunohistochemical staining for α-synuclein of both normal and phosphorylated form was performed in the myenteric plexus. A logistic regression analysis was applied to identify independent predictors of postoperative delirium. Results: No significant differences were observed for age, sex, operation time, or onset of delirium after total gastrectomy between patients with and without postoperative delirium. Patients with postoperative delirium had a higher frequency of intensive care unit admissions (43.8 vs 6.3%, p = 0.037) and α-synuclein–positive pathologies of normal (56.3 vs 12.5%, p = 0.023) and phosphorylated form (43.8 vs 6.3%, p = 0.037) compared with those without postoperative delirium. A logistic regression analysis revealed that immunoreactivity for normal α-synuclein (odds ratio [OR] 9.20) and intensive care unit admission (OR 11.97) were independently associated with postoperative delirium. Conclusion: These results suggest that underlying α-synuclein pathologies in the stomach are associated with postoperative delirium, implying that postoperative delirium represents a preclinical stage of α-synuclein related to cognitive disorders.
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1. Journal Papers (연구논문) > 1. College of Medicine (의과대학) > Dept. of Pathology (병리학교실)
1. Journal Papers (연구논문) > 1. College of Medicine (의과대학) > Dept. of Neurology (신경과학교실)
1. Journal Papers (연구논문) > 1. College of Medicine (의과대학) > BioMedical Science Institute (의생명과학부)
Yonsei Authors
김세훈(Kim, Se Hoon) ; 박현정(Park, Hyun Jung) ; 선우문경(Sunwoo, Mun Kyung) ; 이필휴(Lee, Phil Hyu) ; 홍진용(Hong, Jin Yong)
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