1.Impact of Preanesthetic Blood Pressure Deviations on 30-Day Postoperative Mortality in Non-Cardiac Surgery Patients
Sang-Wook LEE ; Seongyong PARK ; Jin-Young KIM ; Baehun MOON ; Donghee LEE ; Jaewon JANG ; Woo-young SEO ; Hyun-Seok KIM ; Sung-Hoon KIM ; Jiyeon SIM
Journal of Korean Medical Science 2024;39(35):e241-
Background:
Blood pressure readings taken before anesthesia often influence the decision to delay or cancel elective surgeries. However, the implications of these specific blood pressure values, especially how they compare to baseline, on postoperative in-hospital 30-day mortality remain underexplored. This research aimed to examine the effect of discrepancies between the baseline blood pressure evaluated in the ward a day before surgery, and the blood pressure observed just before the administration of anesthesia, on the postoperative mortality risks.
Methods:
The study encompassed 60,534 adults scheduled for non-cardiac surgeries at a tertiary care center in Seoul, Korea. Baseline blood pressure was calculated as the mean of the blood pressure readings taken within 24 hours prior to surgery. The preanesthetic blood pressure was the blood pressure measured right before the administration of anesthesia. We focused on in-hospital 30-day mortality as the primary outcome.
Results:
Our research revealed that a lower preanesthetic systolic or mean blood pressure that deviates by 20 mmHg or more from baseline significantly increased the risk of 30-day mortality. This association was particularly pronounced in individuals with a history of hypertension and those aged 65 and above. Higher preanesthetic blood pressure was not significantly associated with an increased risk of 30-day mortality.
Conclusion
We found that a lower preanesthetic blood pressure compared to baseline significantly increased the 30-day postoperative mortality risk, whereas a higher preanesthetic blood pressure did not. Our study emphasizes the critical importance of accounting for variations in both baseline and preanesthetic blood pressure when assessing surgical risks and outcomes.
2.Establishment of Patient-Derived Organoids Using Ascitic or Pleural Fluid from Cancer Patients
Wonyoung CHOI ; Yun-Hee KIM ; Sang Myung WOO ; Yebeen YU ; Mi Rim LEE ; Woo Jin LEE ; Jung Won CHUN ; Sung Hoon SIM ; Heejung CHAE ; Hyoeun SHIM ; Keun Seok LEE ; Sun-Young KONG
Cancer Research and Treatment 2023;55(4):1077-1086
Purpose:
Patient-derived tumor cells can be a powerful resource for studying pathophysiological mechanisms and developing robust strategies for precision medicine. However, establishing organoids from patient-derived cells is challenging because of limited access to tissue specimens. Therefore, we aimed to establish organoids from malignant ascites and pleural effusions.
Materials and Methods:
Ascitic or pleural fluid from pancreatic, gastric, and breast cancer patients was collected and concentrated to culture tumor cells ex vivo. Organoids were considered to be successfully cultured when maintained for five or more passages. Immunohistochemical staining was performed to compare the molecular features, and drug sensitivity was assayed to analyze the clinical responses of original patients.
Results:
We collected 70 fluid samples from 58 patients (pancreatic cancer, n=39; gastric cancer, n=21; and breast cancer, n=10). The overall success rate was 40%; however, it differed with types of malignancy, with pancreatic, gastric, and breast cancers showing 48.7%, 33.3%, and 20%, respectively. Cytopathological results significantly differed between successful and failed cases (p=0.014). Immunohistochemical staining of breast cancer organoids showed molecular features identical to those of tumor tissues. In drug sensitivity assays, pancreatic cancer organoids recapitulated the clinical responses of the original patients.
Conclusion
Tumor organoids established from malignant ascites or pleural effusion of pancreatic, gastric, and breast cancers reflect the molecular characteristics and drug sensitivity profiles. Our organoid platform could be used as a testbed for patients with pleural and peritoneal metastases to guide precision oncology and drug discovery.
3.Impacts of Subtype on Clinical Feature and Outcome of Male Breast Cancer: Multicenter Study in Korea (KCSG BR16-09)
Jieun LEE ; Keun Seok LEE ; Sung Hoon SIM ; Heejung CHAE ; Joohyuk SOHN ; Gun Min KIM ; Kyung-Hee LEE ; Su Hwan KANG ; Kyung Hae JUNG ; Jae-ho JEONG ; Jae Ho BYUN ; Su-Jin KOH ; Kyoung Eun LEE ; Seungtaek LIM ; Hee Jun KIM ; Hye Sung WON ; Hyung Soon PARK ; Guk Jin LEE ; Soojung HONG ; Sun Kyung BAEK ; Soon Il LEE ; Moon Young CHOI ; In Sook WOO
Cancer Research and Treatment 2023;55(1):123-135
Purpose:
The treatment of male breast cancer (MBC) has been extrapolated from female breast cancer (FBC) because of its rarity despite their different clinicopathologic characteristics. We aimed to investigate the distribution of intrinsic subtypes based on immunohistochemistry, their clinical impact, and treatment pattern in clinical practice through a multicenter study in Korea.
Materials and Methods:
We retrospectively analyzed clinical data of 248 MBC patients from 18 institutions across the country from January 1995 to July 2016.
Results:
The median age of MBC patients was 63 years (range, 25 to 102 years). Among 148 intrinsic subtype classified patients, 61 (41.2%), 44 (29.7%), 29 (19.5%), and 14 (9.5%) were luminal A, luminal B, human epidermal growth factor receptor 2, and triple-negative breast cancer, respectively. Luminal A subtype showed trends for superior survival compared to other subtypes. Most hormone receptor-positive patients (166 patients, 82.6%) received adjuvant endocrine treatment. Five-year completion of adjuvant endocrine treatment was associated with superior disease-free survival (DFS) in patients classified with an intrinsic subtype (hazard ratio [HR], 0.15; 95% confidence interval [CI], 0.04 to 0.49; p=0.002) and in all patients (HR, 0.16; 95% CI, 0.05 to 0.54; p=0.003).
Conclusion
Distribution of subtypes of MBC was similar to FBC and luminal type A was most common. Overall survival tended to be improved for luminal A subtype, although there was no statistical significance. Completion of adjuvant endocrine treatment was associated with prolonged DFS in intrinsic subtype classified patients. MBC patients tended to receive less treatment. MBC patients should receive standard treatment according to guidelines as FBC patients.
4.Omission of chemotherapy for hormone receptor-positive and human epidermal growth factor receptor 2-negative breast cancer: patterns of treatment and outcomes from the Korean Breast Cancer Society Registry
Hannah Lois KANGLEON-TAN ; Jongmin SIM ; Ji Young YOU ; Eun-Shin LEE ; Haemin LEE ; Sun Moon YANG ; Min-Ki SEONG ; Eun Hwa PARK ; Seok Jin NAM ; Min Ho PARK ; Seokwon LEE ; Woo-Chan PARK ; Rogelio G. KANGLEON JR ; Crisostomo B. DY ; Soo Youn BAE ; Seung Pil JUNG ;
Annals of Surgical Treatment and Research 2022;103(6):313-322
Purpose:
Although adjuvant chemotherapy (CTx) is still recommended for high-risk patients with hormone receptorpositive and human epidermal receptor (HER)-2-negative breast cancer, recent studies found that selected patients with low disease burden may be spared from CTx and receive hormonal treatment (HT) alone. This study aims to evaluate the trends of treatment (CTx + HT vs. HT alone) in Korea and to assess the impact on overall survival (OS) according to treatment pattern.
Methods:
The Korean Breast Cancer Society Registry was queried (2000 to 2018) for women with pT1-2N0-1 hormone receptor-positive and HER2-negative disease who underwent surgery and adjuvant systemic treatment (CTx and HT). Clinicopathologic factors, change in pattern of treatment over time, and OS for each treatment option were analyzed.
Results:
A total of 40,938 women were included in the study; 20,880 (51.0%) received CTx + HT, while 20,058 (49.0%) received HT only. In recent years, there has been a steady increase in the use of HT alone, from 21.0% (2000) to 64.6% (2018). In Cox regression analysis, age, type of breast and axillary operations, T and N stages, body mass index, histologic grade,and presence of lymphovascular invasion were prognostic indicators for OS. There was no significant difference between CTx + HT and HT alone in terms of OS (P = 0.126).
Conclusion
Over the years, there has been a shift from CTx + HT to HT alone without a significant difference in OS. Therefore, HT alone could be a safe treatment option in selected patients, even those with T2N1 disease.
5.Impact of Pediatric Alopecia Areata on Quality of Life of Patients and Their Family Members: A Nationwide Multicenter Questionnaire Study
Jee Woong CHOI ; Yul Hee KIM ; Hyunbin KWAK ; Jin PARK ; Won-Soo LEE ; Hoon KANG ; Jung Eun KIM ; Tae-Young YOON ; Ki-Ho KIM ; Yong Hyun JANG ; Do Won KIM ; Moon-Bum KIM ; Bark-Lynn LEW ; Woo-Young SIM ; Jiehyun JEON ; Soo Hong SEO ; Ohsang KWON ; Chang-Hun HUH ; Dong-Youn LEE ; Yang Won LEE ; Byung Choel PARK ; Chong Hyun WON ; Do Young KIM ; Hyojin KIM ; Beom Joon KIM ; Young LEE ; Sang Seok KIM ; Gwang Seong CHOI ; The Korean Hair Research Society
Annals of Dermatology 2022;34(4):237-244
Background:
Pediatric alopecia areata (AA) can affect the quality of life (QoL) of patients and their family members. Research on the QoL and burden on family members in pediatric AA is limited.
Objective:
This nationwide multicenter questionnaire study described the QoL and burden of the family members of patients with pediatric AA.
Methods:
This nationwide multicenter questionnaire study enrolled AA patients between the ages of 5 and 18 years from March 1, 2017 to February 28, 2018. Enrolled patients and their parents completed the modified Children’s Dermatology Life Quality Index (CDLQI) and the modified Dermatitis Family Impact (mDFI). The disease severity was measured using the Severity of Alopecia Tool (SALT) survey scores.
Results:
A total of 268 patients with AA from 22 hospitals participated in this study. Our study found that the efficacy and satisfaction of previous treatments of AA decreased as the severity of the disease increased. The use of home-based therapies and traditional medicines increased with the increasing severity of the disease, but the efficacy felt by patients was limited. CDLQI and mDFI scores were higher in patients with extensive AA than those with mild to moderate AA. The economic and time burden of the family members also increased as the severity of the disease increased.
Conclusion
The severity of the AA is indirectly proportional to the QoL of patients and their family members and directly proportional to the burden. Physicians need to understand these characteristics of pediatric AA and provide appropriate intervention to patients and their family members.
6.A Call for a Rational Polypharmacy Policy: International Insights From Psychiatrists
Yukako NAKAGAMI ; Kohei HAYAKAWA ; Toru HORINOUCHI ; Victor PEREIRA-SANCHEZ ; Marcus P.J. TAN ; Seon-Cheol PARK ; Yong Chon PARK ; Seok Woo MOON ; Tae Young CHOI ; Ajit AVASTHI ; Sandeep GROVER ; Roy Abraham KALLIVAYALIL ; Yugesh RAI ; Mohammadreza SHALBAFAN ; Pavita CHONGSUKSIRI ; Pichet UDOMRATN ; Samudra T. KATHRIARACHCHI ; Yu-Tao XIANG ; Kang SIM ; Afzal JAVED ; Mian-Yoon CHONG ; Chay-Hoon TAN ; Shih-Ku LIN ; Toshiya INADA ; Toshiya MURAI ; Shigenobu KANBA ; Norman SARTORIUS ; Naotaka SHINFUKU ; Takahiro A. KATO
Psychiatry Investigation 2021;18(11):1058-1067
Objective:
Recently, rational polypharmacy approaches have been proposed, regardless of the lower risk and cost of monotherapy. Considering monotherapy as first-line treatment and polypharmacy as rational treatment, a balanced attitude toward polypharmacy is recommended. However, the high prevalence of polypharmacy led the Japanese government to establish a polypharmacy reduction policy. Based on this, the association between the policy and psychiatrists’ attitude toward polypharmacy has been under debate.
Methods:
We developed an original questionnaire about Psychiatrists’ attitudes toward polypharmacy (PAP). We compared the PAP scores with the treatment decision-making in clinical case vignettes. Multiple regression analyses were performed to quantify associations of explanatory variables including policy factors and PAP scores. The anonymous questionnaires were administered to psychiatrists worldwide.
Results:
The study included 347 psychiatrists from 34 countries. Decision-making toward polypharmacy was associated with high PAP scores. Multiple regression analysis revealed that low PAP scores were associated with the policy factor (β=-0.20, p=0.004). The culture in Korea was associated with high PAP scores (β=0.34, p<0.001), whereas the culture in India and Nepal were associated with low scores (β=-0.15, p=0.01, and β=-0.17, p=0.006, respectively).
Conclusion
Policy on polypharmacy may influence psychiatrists’ decision-making. Thus, policies considering rational polypharmacy should be established.
7.Development of the Battery Test for Screening of Depression and Mental Health: PROtective and Vulnerable factors battEry Test (PROVE)
Ju-Yeal LEE ; Sun-Woo CHOI ; Soo-Ah JANG ; Jin-Sun RYU ; Hyun-Kyung SHIN ; Jae-Yun SIM ; Jeong-Ho SEOK
Journal of Korean Neuropsychiatric Association 2021;60(2):143-157
Objectives:
This study developed a battery test that allows a comprehensive evaluation of depressive symptoms and related protective-vulnerable factors to screen for depression and mental health and examined the reliability and validity of the test.
Methods:
PROtective and Vulnerable factors battEry test (PROVE) consisting of five sub-sections was developed: depressive symptomatology (PROVE-DS), suicide risk (PROVE-SR), and three protective-vulnerable factors, which were adult attachment type (PROVE-ATT), adverse childhood experience (PROVE-ACE), and mentalization capacity (PROVE-MC). Two hundred and thirteen subjects completed the PROVE test and other comparative scales, and the analysis was carried out based on the data.
Results:
The PROVE test showed good convergent, discriminant, and concurrent validity as well as adequate internal consistency. In addition, five sub-sections of the PROVE test showed significant relevance to each other.
Conclusion
The results of this study indicate that the PROVE test is a reliable and valid test, which will be useful for the prevention, evaluation, and treatment of depression in various clinical settings.
8.Development of the Battery Test for Screening of Depression and Mental Health: PROtective and Vulnerable factors battEry Test (PROVE)
Ju-Yeal LEE ; Sun-Woo CHOI ; Soo-Ah JANG ; Jin-Sun RYU ; Hyun-Kyung SHIN ; Jae-Yun SIM ; Jeong-Ho SEOK
Journal of Korean Neuropsychiatric Association 2021;60(2):143-157
Objectives:
This study developed a battery test that allows a comprehensive evaluation of depressive symptoms and related protective-vulnerable factors to screen for depression and mental health and examined the reliability and validity of the test.
Methods:
PROtective and Vulnerable factors battEry test (PROVE) consisting of five sub-sections was developed: depressive symptomatology (PROVE-DS), suicide risk (PROVE-SR), and three protective-vulnerable factors, which were adult attachment type (PROVE-ATT), adverse childhood experience (PROVE-ACE), and mentalization capacity (PROVE-MC). Two hundred and thirteen subjects completed the PROVE test and other comparative scales, and the analysis was carried out based on the data.
Results:
The PROVE test showed good convergent, discriminant, and concurrent validity as well as adequate internal consistency. In addition, five sub-sections of the PROVE test showed significant relevance to each other.
Conclusion
The results of this study indicate that the PROVE test is a reliable and valid test, which will be useful for the prevention, evaluation, and treatment of depression in various clinical settings.
9.Prognostic Effect of Guideline-Directed Therapy Is More Noticeable Early in the Course of Heart Failure
Min Soo AHN ; Byung Su YOO ; Junghan YOON ; Seung Hwan LEE ; Jang Young KIM ; Sung Gyun AHN ; Young Jin YOUN ; Jun Won LEE ; Jung Woo SON ; Hye Sim KIM ; Dae Ryong KANG ; Sang Eun LEE ; Hyun Jai CHO ; Hae Young LEE ; Eun Seok JEON ; Seok Min KANG ; Dong Ju CHOI ; Myeong Chan CHO
Journal of Korean Medical Science 2019;34(17):e133-
BACKGROUND: There have been few studies to evaluate the prognostic implications of guideline-directed therapy according to the temporal course of heart failure. This study assessed the relationship between adherence to guideline-directed therapy at discharge and 60-day clinical outcomes in de novo acute heart failure (AHF) and acute decompensated chronic heart failure (ADCHF) separately. METHODS: Among 5,625 AHF patients who were recruited from a multicenter cohort registry of Korean Acute Heart Failure, 2,769 patients with reduced ejection fraction were analyzed. Guideline-directed therapies were defined as the use of angiotensin-converting enzyme inhibitor (ACEI) or angiotensin receptor II blocker (ARB), β-blocker, and mineralocorticoid receptor antagonist. RESULTS: In de novo AHF, ACEI or ARB reduced re-hospitalization (hazard ratio [HR], 0.57; 95% confidence interval [CI], 0.34–0.95), mortality (HR, 0.41; 95% CI, 0.24–0.69) and composite endpoint (HR, 0.52; 95% CI, 0.36–0.77) rates. Beta-blockers reduced re-hospitalization (HR, 0.62; 95% CI, 0.41–0.95) and composite endpoint (HR, 0.65; 95% CI, 0.47–0.90) rates. In ADCHF, adherence to ACEI or ARB was associated with only mortality and β-blockers with composite endpoint. CONCLUSION: The prognostic implications of adherence to guideline-directed therapy at discharge were more pronounced in de novo heart failure. We recommend that guideline-directed therapy be started as early as possible in the course of heart failure with reduced ejection fraction.
Angiotensins
;
Cohort Studies
;
Heart Failure
;
Heart
;
Humans
;
Mortality
;
Receptors, Mineralocorticoid
10.Usefulness of Inflammatory Markers for the Prediction of Postherpetic Neuralgia in Patients with Acute Herpes Zoster.
Jun Young KIM ; Gyeong Hun PARK ; Min Ji KIM ; Hyun Bo SIM ; Weon Ju LEE ; Seok Jong LEE ; Shin Woo KIM ; Young Hoon JEON ; Yong Hyun JANG ; Do Won KIM
Annals of Dermatology 2018;30(2):158-163
BACKGROUND: Increasing evidence suggests a pivotal role for neuronal inflammation in response to replicating varicella zoster virus in the development of postherpetic neuralgia (PHN). OBJECTIVE: In this study, we investigated the value of serum levels of various inflammatory markers in acute herpes zoster (HZ) as predictors for the development of PHN. METHODS: A total of 116 patients with acute HZ were enrolled in this study. We measured scores on the pain visual analogue scale (VAS) at baseline and at 1, 3, and 6 months after diagnosis of HZ. We defined PHN as pain greater than 1 on the VAS lasting for more than 6 months. Serum samples for laboratory assay, including complete blood count were obtained at the initial visit. Correlations between the levels of each inflammatory marker and the development of PHN were evaluated. RESULTS: Levels of erythrocyte sedimentation rate (ESR), C-reactive protein (CRP), lymphocyte count, and albumin showed significant correlations with development of PHN in univariate analysis. Levels of ESR, CRP, and lymphocyte count also showed significant correlations in multivariate analysis. ESR level showed stronger correlations with development of PHN than levels of CRP and lymphocyte count. CONCLUSION: In this study, we confirmed that elevated ESR was an independent and significant predictor of PHN in patients with acute HZ. To validate these results, further well-designed, randomized clinical trials are needed.
Blood Cell Count
;
Blood Sedimentation
;
C-Reactive Protein
;
Diagnosis
;
Herpes Zoster*
;
Herpesvirus 3, Human
;
Humans
;
Inflammation
;
Lymphocyte Count
;
Multivariate Analysis
;
Neuralgia, Postherpetic*
;
Neurons

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