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J Korean Soc Emerg Med > Volume 34(2); 2023 > Article
Original Article
Journal of The Korean Society of Emergency Medicine 2023;34(2): 134-143.
응급실로 내원한 신경색 환자의 임상적 특징: 만성 신부전 진행 예측인자로서 단백뇨의 의미와 유용성
김지현1 , 홍대영1 , 김종원1 , 김신영1 , 박상오1 , 이경룡1 , 백광제1 , 이성2
1건국대학교 의학전문대학원 응급의학교실
2경기도의료원 수원병원 응급의학과
Characteristics of acute renal infarction patient in the emergency department: proteinuria as a prognostic factor of chronic kidney disease progression
Ji Hyun Kim1 , Dae Young Hong1 , Jong Won Kim1 , Sin Young Kim1 , Sang O Park1 , Kyeong Ryong Lee1 , Kwang Je Baek1 , Sung Lee2
1Department of Emergency Medicine, Konkuk University School of Medicine, Seoul, Korea
2Department of Emergency Medicine, Gyeonggi Provincial Medical Center Suwon Hospital, Suwon, Korea
Correspondence  Sung Lee ,Tel: 031-888-0139, Fax: 031-888-0374, Email: gpmc9165@medical.or.kr,
Received: June 14, 2022; Revised: September 8, 2022   Accepted: October 4, 2022.  Published online: April 20, 2023.
ABSTRACT
Objective:
Acute renal infarction is a rare and easily misdiagnosed disease. Scarce research has been conducted on the predictive factors and prognosis of acute renal infarction due to its rarity. In this study, we analyzed the clinical and laboratory findings of a patient diagnosed with renal infarction to predict clinical outcomes.
Method:
In this retrospective clinical study, we collected and analyzed the medical records data of 61 acute renal infarction patients diagnosed in the emergency department (ED) of Konkuk University Hospital, Seoul, South Korea from January 2007 to December 2020.
Results:
Lactate dehydrogenase (LDH; 93.3%, 28 of 30 patients) and D-dimer (77.8%, 28 of 36 patients) levels of the acute renal infarction patients were higher than the normal. Proteinuria was found in 26 of 47 patients. The only significant prognostic factor for the occurrence of acute kidney injury (AKI) in acute renal infarction is the ratio of the infarction volume to the total renal volume. Age, occurrence of AKI, and proteinuria were correlated with the progression of chronic kidney disease (CKD).
Conclusion:
The ratio of the infarction volume to the total renal correlated with occurance of AKI. Age, AKI, and proteinuria were correlated with the progression of CKD.
Key words: Renal infarction; Proteinuria; Chronic kidney disease; Emergency department; Acute kidney injury
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