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Seo Hee Ko

Yonsei University · Medicine

About the Lab

Professor Seo Hee Ko's research lab focuses on clinical and translational studies in perioperative medicine, with a strong emphasis on identifying and managing risk factors that influence surgical outcomes. Key research directions include the pathophysiology and management of postoperative complications such as acute kidney injury, non-anaemic iron deficiency in cardiac surgery patients, and the impact of preoperative sarcopenia on recovery. The lab also investigates the role of nutritional and metabolic factors—such as vitamin C and food allergens—on patient outcomes, integrating immunological and biochemical approaches to improve postoperative care.

perioperative medicinesarcopeniairon deficiencyacute kidney injurypostoperative outcomes

Research Overview

Papers
16
Total Citations
258
Papers (5y)
12
Primary Field
Medicine

Research Output Trend

Figures are computed from collected data and may differ slightly.

Publications per year (5y)
12total
2022
2023
2024
2025
2026
Citations per year (5y)
55total
20222023202420252026

Selected Papers

15
1
Article|123 citations·2000
Identification and characterization of the major allergens of buckwheat
Jung‐Won Park, Dongho Kang, C. W. Kim, Seo Hee Ko, Hye Yung Yum, K. E. Kim, C‐S. Hong, Kyung‐Yul Lee
SJR Q1AllergyOA

BACKGROUND: Buckwheat (BW) has been recognized as a common food allergen in Korea, Japan, and other countries. Until now, serologic findings of BW food-allergic patients and its major allergenic components have not been clarified. In this study, we analyzed the serologic findings of BW food allergy and characterized its major allergenic components. METHODS: Nineteen BW-allergic subjects with symptoms after BW ingestion and 15 asymptomatic control subjects with positive skin prick test to BW were

Food ScienceAgricultural and Biological Sciences
2
Article|50 citations·2017
Postoperative pain and patient-controlled epidural analgesia-related adverse effects in young and elderly patients: a retrospective analysis of 2,435 patients
Jae Chul Koh, Young Song, So Yeon Kim, Sooyeun Park, Seo Hee Ko, Dong Woo Han
SJR Q1Journal of Pain ResearchOA

In this retrospective study, data of 2,435 patients who received fentanyl and ropivacaine-based patient-controlled epidural analgesia (PCEA) for pain relief after elective surgery under general or spinal anesthesia were reviewed. Differences in postoperative pain, incidence of patient-controlled analgesia (PCA)-related adverse effects, and risk factors for the need for rescue analgesics for 48 hours postsurgery in young (age 20-39 years) and elderly (age ≥70 years) patients were evaluated. Altho

SurgeryMedicine
3
Article|21 citations·2018
Predictors of analgesic efficacy of neurolytic celiac plexus block in patients with unresectable pancreatic cancer: the importance of timing
Duck Mi Yoon, Kyung Bong Yoon, In Chan Baek, Seo Hee Ko, Shin Hyung Kim
SJR Q1Supportive Care in CancerOA
Anesthesiology and Pain MedicineMedicine
4
Article|12 citations·2024
Effect of high-dose vitamin C on renal ischemia-reperfusion injury
Seo Hee Ko, Ji Hae Jun, Ju Eun Oh, Eunah Shin, Young Lan Kwak, Jae‐Kwang Shim
SJR Q1Biomedicine & PharmacotherapyOA

Acute kidney injury frequently occurs after cardiac surgery, and is primarily attributed to renal ischemia-reperfusion (I/R) injury and inflammation from surgery and cardiopulmonary bypass. Vitamin C, an antioxidant that is often depleted in critically ill patients, could potentially mitigate I/R-induced oxidative stress at high doses. We investigated the effectiveness of high-dose vitamin C in preventing I/R-induced renal injury. The ideal time and optimal dosage for administration were determi

Nutrition and DieteticsNursing
5
Article|11 citations·2022
Effect of iron deficiency without anaemia on days alive and out of hospital in patients undergoing valvular heart surgery
Hye-Bin Kim, Jae‐Kwang Shim, Seo Hee Ko, Hye Rim Kim, C. H. Lee, Young Lan Kwak
SJR Q1AnaesthesiaOA

Summary Comprehensive evidence regarding the treatment of non‐anaemic iron deficiency in patients undergoing valvular heart surgery is lacking. This study aimed to investigate the association between non‐anaemic iron deficiency and postoperative outcomes in these patients. We retrospectively analysed 321 patients of which 180 (56%) had iron deficiency (defined as serum ferritin < 100 ng.ml ‐1 or < 300 ng.ml ‐1 with transferrin saturation < 20%). While the iron‐deficient group had lower

HematologyMedicine
6
Article|9 citations·2017
Effects of remifentanil with or without midazolam pretreatment on the 95% effective dose of propofol for loss of consciousness during induction
Jae Chul Koh, Ju Yeon Park, Na Young Kim, Ann Hee You, Seo Hee Ko, Dong Woo Han
SJR Q3MedicineOA

NCT02536690 (clinicaltrials.gov).

Anesthesiology and Pain MedicineMedicine
7
Article|8 citations·2022
Influence of Preoperative Handgrip Strength on Length of Stay after Lumbar Fusion Surgery
Seo Hee Ko, Sang Jun Park, Na Young Kim, Woohyuk Jeon, Dong Ah Shin, Shin Hyung Kim
SJR Q1Journal of Clinical MedicineOA

Preoperative sarcopenic status can affect length of hospital stay and patient outcomes after surgery. The aim of this study was to investigate the impacts of preoperative handgrip strength (HGS) on length of stay (LOS) and outcomes after lumbar fusion surgery. HGS was measured preoperatively, and the cut-off value for low HGS was <28 kg for men and <18 kg for women. Perioperative patient outcomes were compared between patients with low and normal HGS. A total of 225 patients, consisting of 86 an

PhysiologyMedicine
8
Article|7 citations·2023
Predictive Value of the Changes in Neutrophil-Lymphocyte Ratio for Outcomes After Off-Pump Coronary Surgery
Myung Il Bae, Jae‐Kwang Shim, Jong Wook Song, Seo Hee Ko, Young Seo Choi, Young Lan Kwak
SJR Q2Journal of Inflammation ResearchOA

In OPCAB patients, preoperative NLR and delta-NLR were significantly associated with DAOH 90, and delta-NLR was an independent risk factor for long-term mortality, indicating their role in risk assessment, which is essential for perioperative management.

OncologyMedicine
9
Article|7 citations·2023
Low Intraoperative Cerebral Oxygen Saturation Is Associated with Acute Kidney Injury after Off-Pump Coronary Artery Bypass
Seo Hee Ko, Jong Wook Song, Jae‐Kwang Shim, Sarah Soh, Young Lan Kwak
SJR Q1Journal of Clinical MedicineOA

By monitoring the brain as the index organ of global oxygen supply–demand balance including major organs, regional cerebral oxygen saturation (rScO2) may indicate adequacy of renal perfusion. The aim of this study was to investigate the relationship between perioperative rScO2 and acute kidney injury (AKI) after off-pump coronary artery bypass (OPCAB). AKI was diagnosed according to the Kidney Disease: Improving Global Outcomes criteria. Collected rScO2 variables were baseline, mean, and lowest

SurgeryMedicine
10
Article|4 citations·2024
Effects of dexmedetomidine on renal function after cardiac surgery for infective endocarditis: An interim analysis of a randomized controlled trial
Sung Yeon Ham, Jae‐Kwang Shim, Sak Lee, Seo Hee Ko, Sarah Soh, Young Lan Kwak
SJR Q2Asian Journal of SurgeryOA

Dexmedetomidine administration for 24 h starting from induction of anesthesia significantly reduced the incidence of postoperative AKI after cardiac surgery for IE (by 29 % vs. control) without hemodynamic side effects. This was accompanied by a significant attenuation of postoperative increase in serum epinephrine levels.

EpidemiologyMedicine
11
Article|3 citations·2025
Association between comprehensive geriatric assessment and Days Alive and Out of Hospital at 30 Days After Cardiac Surgery in Older Patients
Seo Hee Ko, Jae‐Kwang Shim, Eun Hwa Kim, Jong Wook Song, Sarah Soh, Young Lan Kwak
SJR Q1The journal of nutrition health & agingOA

Comprehensive geriatric assessment, incorporating functional frailty, malnutrition, and anaemia, demonstrated a significant association with DAOH30 in older patients undergoing cardiac surgery. Among the assessed aspects, malnutrition showed the strongest association, which may underscore the importance of targeted nutritional interventions to improve outcomes in this patient population.

Geriatrics and GerontologyMedicine
12
Article|3 citations·2025
Associations between persistent postoperative anaemia and mortality 1 year after valvular heart surgery: a retrospective cohort study*
Hee Won Choi, Hyun‐Soo Zhang, Jae‐Kwang Shim, Jin Sun Cho, Seo Hee Ko, Young Lan Kwak
SJR Q1AnaesthesiaOA

INTRODUCTION: Peri-operative anaemia is a common problem in patients undergoing cardiac surgery. Postoperative anaemia is not well understood relative to pre-operative anaemia; limited data exist on haemoglobin recovery and mortality after discharge, especially in the era of restrictive transfusion practice. We aimed to investigate the associations of pre-operative and persistent postoperative anaemia with 1-year mortality in patients undergoing valvular heart surgery. METHODS: in both men and w

BiochemistryMedicine
13
Article|0 citations·2023
Inhaled iloprost in off-pump coronary artery bypass surgery: a randomized controlled trial
Seo Hee Ko, Jae‐Kwang Shim, Jong Wook Song, Sarah Soh, Young Lan Kwak
SJR Q1Canadian Journal of Anesthesia/Journal canadien d anesthésieOA
Pulmonary and Respiratory MedicineMedicine
14
Article|0 citations·2023
Effect of Retrograde Autologous Priming on Coagulation Assessed by Rotation Thromboelastometry in Patients Undergoing Valvular Cardiac Surgery
Seo Hee Ko, Zhengyu Nan, Sarah Soh, Jae‐Kwang Shim, Hee Won Lee, Young Lan Kwak, Jong Wook Song
SJR Q2Journal of Cardiothoracic and Vascular Anesthesia
Critical Care and Intensive Care MedicineMedicine
15
Preprint|0 citations·2026
Development and external validation of a machine learning model for predicting immediate postoperative instability in adults undergoing cardiac surgery
Hyeon Cheun, Jang Ho Ahn, Jin‐Woo Park, Seo Hee Ko, Jae-Kwang Shim, Hyeonhoon Lee, Youn Joung Cho, K R Nam, Jae-Woo Ju, J Y Chung, In Jung Kim, H. M. Lee
Research SquareOA
EpidemiologyMedicine

Research Areas

SurgeryAnesthesiology and Pain MedicineEpidemiologyFood ScienceNutrition and DieteticsHematology

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