Seunghyeok Choi

ORCID: 0009-0003-9213-0514
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Research Areas
  • Renal Transplantation Outcomes and Treatments
  • Organ and Tissue Transplantation Research
  • Hepatitis C virus research
  • SARS-CoV-2 and COVID-19 Research
  • Organ Transplantation Techniques and Outcomes
  • Organ Donation and Transplantation
  • Pneumocystis jirovecii pneumonia detection and treatment
  • Additive Manufacturing and 3D Printing Technologies
  • COVID-19 Impact on Reproduction
  • Indoor Air Quality and Microbial Exposure
  • Semiconductor materials and devices
  • Cell Image Analysis Techniques
  • Renal Diseases and Glomerulopathies
  • Pharmacological Effects and Toxicity Studies
  • Advanced Memory and Neural Computing
  • COVID-19 Clinical Research Studies
  • Polyomavirus and related diseases
  • Analytical Chemistry and Sensors
  • Viral Infectious Diseases and Gene Expression in Insects
  • Allergic Rhinitis and Sensitization
  • Lichen and fungal ecology
  • Amyloidosis: Diagnosis, Treatment, Outcomes

Catholic University of Korea
2022-2024

Seoul St. Mary's Hospital
2022-2024

Hanyang University
2007

We reviewed 24 kidney transplantat recipients (KTRs) who had radiologically confirmed coronavirus disease 2019 (COVID-19) pneumonia. Enrolled KTRs were divided into a severe acute respiratory syndrome 2 (SARS-CoV-2)-vaccination (+) group (n = 18) and vaccination (-) 6). Clinical outcomes of the two groups including death, pulmonary outcome, renal outcome compared. COVID-19 pneumonia was worse in KTRs. Two out six needed continuous replacement therapy (CRRT) mechanical ventilator (MV)...

10.3947/ic.2023.0083 article EN cc-by-nc Infection and Chemotherapy 2023-01-01

<title>Abstract</title> The aim of this study is to investigate the impact sex on clinical outcomes spouse donor kidney transplantation (SDKT). We analyzed 456 SDKT recipients, and categorized them into standard or high immunological risk groups according Panel reactive antibody ≥ 50 % less. There were 366 recipients in group, 89 high-risk group. When comparing biopsy-proven allograft rejection (BPAR) within one year from KT, H2W showed significantly higher incidence than W2H By contrast,...

10.21203/rs.3.rs-4199582/v1 preprint EN cc-by Research Square (Research Square) 2024-04-19

The aim of this study is to investigate the impact sex on clinical outcomes spousal donor kidney transplantation.

10.23876/j.krcp.24.128 article EN cc-by-nc-nd Kidney Research and Clinical Practice 2024-09-11

Background: Desensitization (DSZ) strategies have been developed in kidney transplantation recently.The aim of this study is to investigate the usefulness bortezomib based DSZ (BZB-DSZ) therapy highly sensitized living and deceased donor transplantation.Methods: We applied BZB-DSZ protocol 20 patients 14 (LDKT) candidates with positive T-CDC (complement dependent cytotoxicity) crossmatch at baseline or refractory using rituximab plasmapheresis (RTX/PP) six (DDKT) candidates, when (1) waiting...

10.4285/atw2023.f-6101 article EN cc-by-nc Korean Journal of Transplantation 2023-11-15

Background: Presence of hematologic disorder such as severe aplastic anemia (SAA) can be a significant obstacle for successful kidney transplantation (KT) in end-stage disease (ESKD).In this study, we report seven cases KT ESKD patients with anemia.Methods: We reviewed recipients (KTRs) who had either SAA or received hematopoietic stem cell (HSCT) SAA.We analyzed baseline characteristics KTRs and their allograft outcomes, focusing on survival rates, rejection incidence, both infectious...

10.4285/atw2023.f-5920 article EN cc-by-nc Korean Journal of Transplantation 2023-11-15

Background: Spousal donor (SD) became one of the important sources for living kidney transplantation (LDKT) to overcome shortage.In SDKT, donor-recipient sex mismatch appears, where patient's is biological characteristic including genetic, anatomic and endocrine traits as well immunologic traits.Methods: To investigate outcomes SDKT by mismatch, we analyzed 456 recipients from 2005 2022 in Seoul St. Mary's hospital.We categorized immunological risk allocated panel reactive antibody...

10.4285/atw2023.f-5914 article EN cc-by-nc Korean Journal of Transplantation 2023-11-15

Park, Hyeran; Choi, Seunghyeok; Lee, Hanbi; Chung, Byung ha; Yang, Chul Woo; Division of Nephrology, Dept Internal Medicine. Author Information

10.1681/asn.20233411s11157a article EN Journal of the American Society of Nephrology 2023-11-01

Ryou, Seyoung; Choi, Seunghyeok; Lee, Hanbi; Yang, Chul Woo; Chung, Byung ha Author Information

10.1681/asn.20233411s1343a article EN Journal of the American Society of Nephrology 2023-11-01

A polymer random access memory (PoRAM) is a next-generation nonvolatile device possessing two stable states whose resistance differs by factor of more than 100 times. unit 1R cell structure can be created adding material into the metal cross-point top and bottom electrodes. This has symmetric that makes cell-array possible. However, not completely isolated because high-integration, which it difficult to sense also creates leakage current problems. paper proposes new decoding sensing method...

10.1109/isicir.2007.4441862 article EN 2007 International Symposium on Integrated Circuits 2007-09-01

골조직공학에서는 자유 형상 제작 기술이 3차원 바이오 세라믹 인공지지체를 만드는데 효율적으로 적용된다. 본 연구에서는 선택적 레이저 소결 기술을 기반으로 한 자체 개발된 적층 시스템을 이용하여 생체 재료의 제작하였다. BCP 인공지지체들은 800μm의 공극크기와 1,200μm의 선폭을 가지며, 전체크기가 9.2×9.2×8.8㎣로 제작되었다. 공극들은 상호연결 되어 있으며 공극률은 약 44.8±5%로 측정되었다. 제작된 소결로에서 950, 1,050, 1,150, 그리고 1,250°C로 소결되었다. 소결온도가 증가할수록, 수축률과 증가하는 결론을 얻었다. 세포증식평가는 MG-63 세포를 이용한 CCK-8 분석을 통하여 수행되었으며, 소결된 모든 인공지지체에서 세포증식이 잘 이루어짐을 확인하였다.

10.3795/ksme-a.2019.43.8.513 article KO Transactions of the Korean Society of Mechanical Engineers A 2019-08-09

Kidney transplant recipients (KTR) are on maintenance immunosuppression, therefore showed a higher risk for infection including coronavirus disease 2019 .In addition, the of progression to severe state COVID-19 such as acute respiratory distress syndrome (ARDS) can increase in comparison within general population.Therefore, prevent infection, importance vaccination has been emphasized.However, beneficial effect KTRs not fully investigated yet.In our hospital, we experienced 21 who had and...

10.4285/atw2022.f-1989 article EN cc-by-nc Korean Journal of Transplantation 2022-11-15
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