928 results match your criteria: "Dong-A University Hospital[Affiliation]"

Purpose: Given the aggressive nature and poor prognosis of triple-negative breast cancer (TNBC), adjuvant capecitabine has been the standard therapy for residual disease after preoperative systemic therapy (PST). However, the optimal sequence of postoperative radiation therapy (RT) and capecitabine remains unclear. This study evaluated the efficacy and safety of concurrent RT and capecitabine (RT+CAP) versus sequential RT followed by capecitabine (RT→CAP) in patients with residual TNBC after PST.

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Background: Acute tubular injury is one of the main causes of acute tubular injury (acute kidney injury ) in patients with COVID-19 infection. Autoimmune hemolytic anemia (AIHA) is also one of the autoimmune complications of COVID-19. However, AIHA accompanied by acute tubulointerstitial nephritis (ATIN) caused by SARS-CoV-2 is rarely reported.

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Background: Intensive blood pressure (BP) management within 24 hours after successful reperfusion following endovascular thrombectomy (EVT) is associated with worse functional outcomes than conventional BP management in Asian randomized controlled trials. Given the high prevalence of intracranial atherosclerotic stenosis (ICAS) in Asia, ICAS may influence these outcomes.

Aims: We aimed to assess whether ICAS affects the outcomes of intensive BP management after successful EVT.

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Calcium channel blockers (CCBs) are frequently co-administered with clopidogrel in cardiovascular disease. Although an inhibitory drug interaction exists between them, comprehensive large-scale studies for its validation are lacking. We investigated interactions between CCBs and clopidogrel using a large-scale national registry of patients who underwent percutaneous coronary intervention (PCI).

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Background: Among gliomas, the most common primary malignant brain tumor, incidental gliomas account for 2.5%-5% of cases. The controversy over whether to pursue immediate treatment or adopt a wait-and-see approach remains, and more molecular and immunological evidence is needed for definitive treatment decisions.

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Prediction of menstrual recovery patterns in premenopausal women with breast cancer taking tamoxifen after chemotherapy: an ASTRRA Substudy.

Breast Cancer Res

November 2024

Division of Breast Surgery, Department of Surgery, Asan Medical Center, University of Ulsan College of Medicine, 88 Olympic-ro 43-gil, Songpa-gu, Seoul, 05505, South Korea.

Background: Chemo-endocrine therapy can lead to various side effects associated with ovarian dysfunction. Predicting menstrual recovery is necessary to discuss the treatment-related issues regarding fertility and premature menopause with patients.

Methods: In the ASTRRA trial, patients who resumed ovarian function within 2 years after chemotherapy were randomized to receive tamoxifen for 5 years or OFS with tamoxifen for 2 years.

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Article Synopsis
  • Patients undergoing complex high-risk PCI are still at high risk for adverse events despite standard dual antiplatelet therapy (DAPT).
  • The TAILORED-CHIP trial aims to compare a tailored antiplatelet strategy with an early escalation and late de-escalation approach against conventional DAPT.
  • The study's primary focus is on the net clinical outcome, measuring serious events like death, heart attack, stroke, and significant bleeding within 12 months after the procedure.
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  • This study analyzed organ donors who died after life support was turned off, focusing on their suitability for donation after circulatory death.
  • Out of 177 patients, 27.7% were potential organ donors, but only 11.3% met the medical criteria for donation, with a significant number showing a flat ECG shortly after death.
  • A majority of surveyed critical care physicians (59.2%) supported a 5-minute no-touch period before declaring circulatory death, which is relevant for organ donation decisions.
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Real-World Application of Evolocumab Among Patients with Hyperlipidemia in Korea: A Multicenter Prospective Study.

Cardiol Ther

December 2024

Department of Cardiology, Gil Medical Center, Gachon University, 38-13, Dokjeom-ro 3Beon-gil, Namdong-gu, Incheon, Republic of Korea.

Introduction: Elevated low-density lipoprotein cholesterol (LDL-C) is a major residual risk factor among patients with acute coronary syndrome (ACS). In the absence of sufficient real-world evidence, this observational (noninterventional) study investigated the effectiveness and safety of evolocumab in patients with hyperlipidemia treated with evolocumab for ACS in a real-world clinical setting in Korea.

Methods: Between January 2022 and February 2023, patients from 10 hospitals in Korea who initiated evolocumab within 24 weeks of an ACS event were enrolled.

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Background: In this single-arm, multicenter, phase 2 trial, the authors evaluated the efficacy and safety of avelumab plus gemcitabine in patients with leiomyosarcoma (LMS) who failed on first-line chemotherapy.

Methods: Patients with advanced LMS received avelumab 10 mg/kg on days 1 and 15 (for up to 24 months) plus gemcitabine 1000 mg/m on days 1, 8, and 15 of a 28-day cycle until they developed disease progression or intolerable toxicity. The primary end point was the objective response rate (ORR).

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  • This study examined how non-traditional lipid profiles, specifically the LDL/HDL ratio, affect the risk of vascular events within a year in stroke patients already on statins and with low LDL-C levels.
  • The analysis included 7028 patients with acute ischemic strokes and found a significant association between higher LDL/HDL ratios and increased risk of recurrent stroke, heart attack, or death after adjusting for other variables.
  • The results suggest that even with low LDL-C levels due to statin use, monitoring the LDL/HDL ratio is important to assess residual risk after a stroke.
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  • A multi-center MRI study investigated how white matter hyperintensity (WMH) affects recovery after stroke, focusing on different severity levels of ischemic stroke.
  • Higher WMH levels were linked to worse outcomes three months later, but the impact varied based on initial stroke severity: mild strokes showed a dose-dependent effect while moderate-to-severe strokes had a threshold effect.
  • The study found that WMH impacted 3-month recovery more significantly in those with mild strokes, suggesting that increased WMH burden worsens recovery, but its effect is less pronounced in more severe strokes.
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  • The study evaluates how the presence of concurrent LR-5 observations impacts the likelihood that LR-3 or LR-4 observations indicate hepatocellular carcinoma (HCC), using a meta-analysis approach.
  • The research analyzed data from 29 studies involving 2,591 observations across 1,456 patients, examining the predictive values of LR-3 and LR-4 with and without concurrent LR-5 observations.
  • Results showed no significant difference in the positive predictive value for LR-3 and LR-4 observations whether concurrent LR-5 was present or not, suggesting that the presence of LR-5 does not substantially affect HCC diagnosis.
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Article Synopsis
  • A study called the KROG 1701 trial was conducted to compare the disease-free survival rates of patients with pN1 breast cancer receiving whole-breast irradiation (WBI) alone versus WBI combined with regional node irradiation (RNI) after chemotherapy.
  • The trial involved 840 patients, assessing their quality of life through surveys at various stages of treatment, showing improvements in wellbeing across all participants over time.
  • While the group receiving WBI+RNI reported slightly more fatigue and nausea during treatment, no significant difference in overall patient experience was found between the two treatment approaches, suggesting both are similarly safe and tolerable.
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Background: Living-donor liver transplantation has been widely performed as an alternative to the scarce liver grafts from deceased donors. More studies are reporting favorable outcomes of left liver graft (LLG). This study compared the clinical outcomes between living-donor liver transplantation using LLG and right liver graft (RLG) with similar graft-to-recipient body weight ratios.

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Background: Clopidogrel monotherapy improved clinical outcomes compared with aspirin monotherapy during a chronic maintenance period in patients who underwent coronary stenting in the HOST-EXAM (Harmonizing Optimal Strategy for Treatment of Coronary Artery Stenosis-Extended Antiplatelet Monotherapy) trial. However, it is uncertain whether the beneficial effect of clopidogrel over aspirin is different according to the renal function.

Methods And Results: We conducted a post hoc analysis of the HOST-EXAM trial.

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Potential prognostic value of rheumatoid factor in anti-aquaporin 4-immunoglobin G-positive neuromyelitis optica spectrum disorders.

J Neurol Sci

November 2024

Department of Neurology, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Republic of Korea; Neuroscience Center, Samsung Medical Center, Seoul, Republic of Korea. Electronic address:

Article Synopsis
  • Neuromyelitis optica spectrum disorder (NMOSD) is a central nervous system disease that differs from multiple sclerosis by the presence of anti-aquaporin 4 antibodies (AQP4-ab) and occasionally other non-organ-specific autoantibodies.
  • A study involving 158 NMOSD patients collected data on various autoantibodies and analyzed their impact on clinical characteristics and disability levels.
  • Results indicated that the rheumatoid factor (RF) was significantly associated with higher disability levels; RF, age at onset, and annual relapse rate (ARR) emerged as key predictors for severe disability in NMOSD patients.
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This report presents the latest statistics on the stroke population in South Korea, sourced from the Clinical Research Collaborations for Stroke in Korea-National Institute for Health (CRCS-K-NIH), a comprehensive, nationwide, multicenter stroke registry. The Korean cohort, unlike western populations, shows a male-to-female ratio of 1.5, attributed to lower risk factors in Korean women.

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Edoxaban Antithrombotic Therapy for Atrial Fibrillation and Stable Coronary Artery Disease.

N Engl J Med

September 2024

From the Department of Cardiology (M.S.C., D.-Y.K., J.-M.A., S.-J.P., D.-W.P., G.-B.N.) and the Division of Biostatics (S.-C.Y.), Asan Medical Center, University of Ulsan College of Medicine, the Department of Cardiology, Seoul St. Mary's Hospital, College of Medicine, Catholic University of Korea (Y.-S.O.), the Department of Cardiology, Veterans Health Service Medical Center (C.H.L.), the Department of Internal Medicine, Seoul National University College of Medicine and Seoul National University Hospital (E.-K.C.), the Division of Cardiology, Department of Internal Medicine, Konkuk University Medical Center, Konkuk University School of Medicine (C.H.K.), the Division of Cardiology, Department of Internal Medicine, Samsung Medical Center, Sungkyunkwan University School of Medicine (K.-M.P.), the Department of Cardiology, Kyung Hee University Hospital at Gangdong, Kyung Hee University Medical College (E.-S.J.), and the Division of Cardiology, Department of Internal Medicine, Eunpyeong St. Mary's Hospital, College of Medicine, Catholic University of Korea (O.K.), Seoul, the Cardiovascular Center, Seoul National University Bundang Hospital, Seoul National University College of Medicine, Seongnam (J.H.L.), the Department of Cardiology, Ulsan University Hospital, University of Ulsan College of Medicine, Ulsan (G.-M.P.), the Department of Cardiology, Soon Chun Hyang University Hospital Bucheon, Bucheon (H.O.C.), the Department of Cardiology, Hallym University Medical Center, Anyang (K.-H.P.), the Department of Cardiology, Keimyung University Dongsan Hospital, Daegu (J.H.), the Department of Cardiology, St. Vincent's Hospital, College of Medicine, Catholic University of Korea, Suwon (K.-D.Y.), the Department of Cardiology, Dong-A University Hospital, Dong-A University College of Medicine (Y.-R.C.), and the Department of Cardiology, Haeundae Paik Hospital, Inje University College of Medicine (K.-H.K.), Busan, the Department of Cardiology, Dongguk University Ilsan Hospital, Goyang (J.H.K.), and the Department of Cardiology, Pusan National University Yangsan Hospital, Pusan National University of Medicine, Yangsan (K.W.H.) - all in South Korea.

Article Synopsis
  • Researchers conducted a trial comparing edoxaban monotherapy with dual antithrombotic therapy in patients with atrial fibrillation and stable coronary artery disease to assess risks of stroke and other serious outcomes.
  • The study involved 1,040 patients, with results showing fewer primary-outcome events in those on edoxaban alone (6.8% vs. 16.2% for dual therapy), indicating it may be safer.
  • Although the incidence of major bleeding was higher in the dual therapy group (14.2% vs. 4.7%), the major ischemic events were similar for both treatment groups.
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Clinical Impact of Self-Recognition of Recurrent Acute Myocardial Infarction: From KRMI-RCC.

J Clin Med

August 2024

Division of Cardiology, Department of Internal Medicine, Gyeongsang National University School of Medicine, Gyeongsang National University Hospital, Jinju 52727, Republic of Korea.

: Self-recognition of recurrent myocardial infarction (re-MI) may be essential for reducing prehospital time contrast to awareness of re-MI symptoms. However, data on the current status and clinical impact of self-recognition of re-MI are limited in the contemporary period. Thus, this study aimed to increase this body of knowledge.

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Long-term outcomes of minimally invasive concomitant mitral and tricuspid valve surgery with surgical ablation.

Interdiscip Cardiovasc Thorac Surg

September 2024

Department of Thoracic and Cardiovascular Surgery, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea.

Objectives: We compared the outcomes of a right mini-thoracotomy (RMT) versus those of a sternotomy for concomitant mitral and tricuspid valve surgery and surgical ablation.

Methods: We analysed patients who underwent concomitant mitral and tricuspid valve surgery and surgical ablation at a single institution (mean follow-up: 7 years) after propensity score matching. The primary and secondary outcomes were all-cause death, composite major adverse events (including stroke, reoperation, readmission, permanent pacemaker insertion) and recurrence of atrial fibrillation (A-fib).

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Background And Objectives: This study aimed to analyze the outcomes of Fontan surgery in the Republic of Korea, as there were only a few studies from Asian countries.

Methods: The medical records of 1,732 patients who underwent Fontan surgery in 10 cardiac centers were reviewed.

Results: Among them, 1,040 (58.

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Impact of proton pump inhibitor use on clinical outcomes in East Asian patients receiving clopidogrel following drug-eluting stent implantation.

BMC Med

August 2024

Department of Cardiology, Korea University Anam Hospital, Korea University College of Medicine, Cardiovascular Center 73, Goryeodae-Ro, Seongbuk-Gu, Seoul, 02841, Republic of Korea.

Article Synopsis
  • The study examined the effects of proton pump inhibitors (PPIs) on patients who underwent percutaneous coronary intervention (PCI) while taking clopidogrel for antiplatelet therapy, particularly focusing on their clinical outcomes and PRU levels.
  • Among 13,160 patients, those using PPIs had higher PRU levels but did not show a significant increase in serious cardiovascular events when compared to non-users, with primary outcomes occurring in a similar proportion.
  • However, for patients carrying certain genetic variations (CYP2C19 loss-of-function alleles), PPI use was associated with an increased risk of adverse outcomes, highlighting complex interactions between medication and genetics.
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  • * Results show that 75.3% of PD patients had AS accumulation compared to only 8.5% of control patients, indicating the diagnostic potential of AS presence in identifying PD.
  • * The research found that longer disease duration and the specific rostrocaudal distribution of AS accumulation in the GI tract serve as predictors for the presence of AS in PD patients, suggesting a distinct progression pattern in the disease.
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