594 results match your criteria: "Ajou University Medical Center.[Affiliation]"

The influence of sex on the dosage of remimazolam co-administered with remifentanil for loss of consciousness in adult patients: an up-and-down sequential allocation trial.

BMC Anesthesiol

August 2024

Department of Anesthesiology and Pain Medicine, Ajou University Medical Center, Ajou University School of Medicine, 164, World cup-ro, Yeongtong-gu, Suwon, 16499, Republic of Korea.

Background: This study aimed to determine the 50% effective dose of remimazolam co-administered with remifentanil for loss of consciousness in men and women as well as to investigate whether there are between-sex differences.

Methods: Using a modified Dixon's up-and-down allocation approach, we sequentially enrolled male and female patients aged 19-60 years with American Society of Anesthesiologists class I or II who were scheduled for robotic surgery. For both sexes, the starting remimazolam dose was 0.

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Importance: Recently, 6 randomized clinical trials-RESCUE-Japan-LIMIT (Recovery by Endovascular Salvage for Cerebral Ultra-Acute Embolism-Japan Large Ischemic Core Trial), ANGEL-ASPECT (Trial of Endovascular Therapy for Acute Ischemic Stroke With Large Infarct), SELECT2 (Trial of Endovascular Thrombectomy for Large Ischemic Strokes), TESLA (Thrombectomy for Emergent Salvage of Large Anterior Circulation Ischemic Stroke), TENSION (Endovascular Thrombectomy for Acute Ischemic Stroke With Established Large Infarct), and LASTE (Large Stroke Therapy Evaluation)-have concluded their investigations on the efficacy and safety of endovascular thrombectomy (EVT) for the treatment of patients with ischemic stroke, anterior-circulation large vessel occlusions, and large areas of ischemic changes defined as an Alberta Stroke Program Early Computed Tomography Score (ASPECTS) of 5 or less. Overall, the results appeared to be positive, with 5 of the 6 trials meeting their primary efficacy end point, and 1 trial that was a near miss. However, questions remain regarding how these trial results should be interpreted and incorporated into routine clinical practice.

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Study Objective: There is scarce evidence on the hemodynamic stability of remimazolam during anesthetic induction in patients with significant coronary artery disease. This study aims to compare the effects of remimazolam and propofol on post-induction hypotension in patients undergoing coronary artery bypass grafting (CABG).

Design: Randomized controlled trial.

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Article Synopsis
  • Cementless fixation for hip arthroplasty is gaining popularity due to benefits like shorter surgery time and avoiding complications from bone cement, but it has a risk of intraoperative periprosthetic femoral fractures (IOPFx).
  • A study reviewed 4,806 hip arthroplasties from 2003 to 2020 to identify factors increasing IOPFx risk, considering patient demographics, surgical details, and implant characteristics.
  • The study found that factors like female gender, childhood hip disease, stove-pipe femur, combined surgical approach, and the use of standard-length stems significantly increased the likelihood of IOPFx, emphasizing caution when selecting standard-length cementless stems.
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Transcriptomic profiling of intermediate cell carcinoma of the liver.

Hepatol Commun

August 2024

Department of Pathology, Graduate School of Medical Science, Brain Korea 21 Project, Yonsei University College of Medicine, Seoul, Republic of Korea.

Background: Intermediate cell carcinoma (Int-CA) is a rare and enigmatic primary liver cancer characterized by uniform tumor cells exhibiting mixed features of both HCC and intrahepatic cholangiocarcinoma. Despite the unique pathological features of int-CA, its molecular characteristics remain unclear yet.

Methods: RNA sequencing and whole genome sequencing profiling were performed on int-CA tumors and compared with those of HCC and intrahepatic cholangiocarcinoma.

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Validation of the conceptual framework and intervention scope of oral function rehabilitation exercise.

Gerodontology

July 2024

Division of Population Health Research, Department of Precision Medicine, Korea National Institute of Health, Korea Disease Control and Prevention Agency (KDCA), Cheongju, Korea.

Article Synopsis
  • This study aimed to clarify the concept of oral function rehabilitation exercise (OFRE) using the International Classification of Functioning, Disability, and Health (ICF) framework, focusing specifically on older adults living in the community.
  • The researchers conducted a Delphi survey with experts to develop and confirm a conceptual model based on findings from previous studies, leading to a well-defined framework for OFRE interventions.
  • The final OFRE framework includes 21 factors affecting oral health and specifies intervention categories like warm-up and cool-down exercises, as well as exercises to improve masticatory and swallowing functions, which can help enhance the oral and overall health of older individuals.
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Introduction: We conducted an open-label, single-arm, multi-center phase II trial to evaluate the efficacy and safety of imatinib chemotherapy-refractory or metastatic solid tumor patients with c-KIT mutations and/or amplification.

Methods: c-KIT mutations and amplification were detected using NGS. Imatinib (400 mg daily) was administered continuously in 28-day cycles until disease progression, unacceptable adverse events, or death by any cause.

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Article Synopsis
  • * The research analyzed MRI and amyloid PET scans from 454 participants, finding that a combined model showed improved accuracy in classifying cognitive impairment, particularly in those with Alzheimer's disease.
  • * Results indicate that white matter inter-subject variability (WM-ISV) is linked to both cognitive decline and specific blood biomarkers, supporting the idea that white matter analysis could enhance clinical decision-making regarding cognitive health.
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A double CYP27A1 gene mutation in spinal cerebrotendinous xanthomatosis in a patient presenting with spastic gait: a case report.

J Med Case Rep

July 2024

Department of Neurology, Ajou University School of Medicine, Ajou University Medical Center, 164, World Cup-Ro, Yeongtong-Gu, Suwon, Republic of Korea.

Background: Cerebrotendinous xanthomatosis (CTX, OMIM #213700) is a rare inherited metabolic disease caused by the mutation in the CYP27A1 gene. Spinal CTX is a rare clinical subgroup of CTX which lacks typical symptoms seen in classical CTX. Here we report a spinal CTX case revealed double mutation of CYP27A1 gene.

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Comparison between head rotation and standard techniques for i-gel™ insertion: a randomized controlled trial.

BMC Anesthesiol

July 2024

Department of Anesthesiology and Pain Medicine, Seoul National University Hospital, Seoul National University College of Medicine, 101 Daehak-ro, Jongno-gu, Seoul, 03080, Republic of Korea.

Background: This study evaluated the effect of head rotation on the first-attempt success rate of i-gel insertion, aiming to alleviate the effect of gravity on the tongue and reduce resistance between the device and the tongue.

Methods: Adult surgical patients were randomized to standard and head rotation technique groups. In the head rotation technique group, patients' heads were maximally rotated to the left before i-gel insertion.

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Dietary patterns and intrinsic capacity in older adults: a 6-year prospective cohort study.

J Nutr Health Aging

August 2024

Cardiovascular and Metabolic Diseases Etiology Research Center, Yonsei University College of Medicine, 50-1 Yonsei-ro, Seodaemun-gu, Seoul 03722, Republic of Korea; Department of Preventive Medicine, Yonsei University College of Medicine, 50-1 Yonsei-ro, Seodaemun-gu, Seoul 03722, Republic of Korea.

Objectives: Only a few studies have investigated dietary patterns and intrinsic capacity (IC). This study examined the prospective associations between dietary patterns, IC, and IC sub-domains over 6 years in community-dwelling Korean older adults.

Design: A prospective cohort study.

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The Life Functioning Scale: a Measurement Tool Developed to Assess the Physical Functioning Abilities of Community-Dwelling Adults Aged 50 Years or Older.

Ann Geriatr Med Res

July 2024

Division of Health and Nutrition Survey and Analysis, Bureau of Chronic Disease Prevention and Control, Korea Disease Control and Prevention Agency, Osong, Republic of Korea.

Background: This study aimed to develop an instrument for assessing physical functioning among adults aged 50 years or older living in the community.

Methods: Based on a review of various national health surveys and cohort studies, a 144-item bank was constructed for assessing physical functioning. Focus group interviews were conducted among adults aged 50 years or older to investigate their level of understanding of 60 selected items, followed by a pretest of the items on a nationally representative sample (n = 508).

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Association Between Individualized Versus Conventional Blood Glucose Thresholds and Acute Kidney Injury After Cardiac Surgery: A Retrospective Observational Study.

J Cardiothorac Vasc Anesth

September 2024

Department of Anesthesiology and Pain Medicine, Seoul National University Hospital, Seoul National University College of Medicine, Seoul, Republic of Korea. Electronic address:

Objectives: This study was designed to compare individualized and conventional hyperglycemic thresholds for the risk of acute kidney injury (AKI) after cardiac surgery.

Design: This was an observational study.

Setting: The study took place in a single-center tertiary teaching hospital.

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Evaluation of machine learning approach for surgical results of Ahmed valve implantation in patients with glaucoma.

BMC Ophthalmol

June 2024

Department of Ophthalmology, Ajou University Medical Center, Ajou University School of Medicine, 164, World Cup-ro, Yeongtong-gu, Suwon, 16499, Republic of Korea.

Background: Ahmed valve implantation demonstrated an increasing proportion in glaucoma surgery, but predicting the successful maintenance of target intraocular pressure remains a challenging task. This study aimed to evaluate the performance of machine learning (ML) in predicting surgical outcomes after Ahmed valve implantation and to assess potential risk factors associated with surgical failure to contribute to improving the success rate.

Methods: This study used preoperative data of patients who underwent Ahmed valve implantation from 2017 to 2021 at Ajou University Hospital.

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Distal medium vessel occlusions (DMVOs) are thought to cause as many as 25% to 40% of all acute ischemic strokes and may result in substantial disability amongst survivors. Although intravenous thrombolysis (IVT) is more effective for distal than proximal vessel occlusions, the overall efficacy of IVT remains limited in DMVO with less than 50% of patients achieving reperfusion and about 1/3 to 1/4 of the patients failing to achieve functional independence. Data regarding mechanical thrombectomy (MT) among these patients remains limited.

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The effect of inhaler prescription on the development of lung cancer in COPD: a nationwide population-based study.

Respir Res

May 2024

Department of Pulmonary and Critical Care Medicine, Ajou University School of Medicine, Worldcup-ro 164, Suwon, Gyeonggi-do, 16499, Republic of Korea.

Article Synopsis
  • COPD is linked to an increased risk of lung cancer, but the impact of inhaled corticosteroids (ICS) on this risk is unclear, prompting a study to investigate the relationship between inhaler prescriptions and comorbidities in COPD patients.
  • A retrospective analysis of over 63,000 COPD patients found no significant difference in lung cancer development among those using different types of inhalers; rather, factors like diffuse interstitial lung disease, comorbidity scores, and hospitalization rates were more impactful.
  • The study concluded that lung cancer risk in COPD patients is more strongly influenced by existing health issues and hospitalization frequency than the type of inhaler prescribed.
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Article Synopsis
  • Endoscopic epidural neuroplasty (EEN) is a procedure that uses direct visualization to better relieve nerve pain in the back compared to the traditional percutaneous epidural neuroplasty (PEN).
  • A study examined the effectiveness of EEN and PEN on lower back and radicular pain by analyzing patient records, finding that 107 patients underwent either EEN (73) or PEN (34).
  • Results showed that patients who received EEN reported greater pain reduction on the Visual Analog Scale (VAS) and improved functionality on the Oswestry Disability Index (ODI) at 1 day and at both 1 and 6 months after treatment compared to those who received PEN.
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Risk of Dementia and Alzheimer's Disease Associated With Antidiabetics: A Bayesian Network Meta-Analysis.

Am J Prev Med

September 2024

Department of Pharmacy, College of Pharmacy, Kyung Hee University, Seoul, Korea; Department of Regulatory Science, Graduate School, Kyung Hee University, Seoul, Korea; Institute of Regulatory Innovation Through Science (IRIS), Kyung Hee University, Seoul, Korea. Electronic address:

Introduction: Dementia risk is substantially elevated in patients with diabetes. However, evidence on dementia risk associated with various antidiabetic regimens is still limited. This study aims to comprehensively investigate the risk of dementia and Alzheimer's disease (AD) associated with various antidiabetic classes.

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Background: Vertebral artery dissections (VADs) may extend from the extracranial to the intracranial vasculature (e+iVAD). We evaluated how the characteristics of e+iVAD differed from those of intracranial VAD (iVAD).

Methods And Results: From 2002 to 2019, among consecutive patients with cervicocephalic dissection, those with iVAD and e+iVAD were included, and their clinical characteristics were compared.

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Ethanol Extract Ameliorates Alcohol-Induced Liver Injury by Affecting Metabolic Pathways.

J Agric Food Chem

April 2024

Interdisciplinary Graduate Program in Advanced Convergence Technology and Science, Jeju National University, Jeju 63243, Republic of Korea.

is a microalga with a nutritionally favorable polyunsaturated fatty acid profile. In the present study, ethanol extract (MNE) was administered to chronic-binge alcohol-fed mice and alcohol-treated HepG2 cells, and its hepatoprotective effects and underlying mechanisms were investigated. MNE administration reduced triglyceride (TG), total cholesterol (T-CHO), and liver injury markers, including aspartate transaminase (AST) and alanine transaminase (ALT), in the serum of chronic-binge alcohol-fed mice.

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Background: Treating chronic urticaria (CU) that is unresponsive to H1-antihistamines (H1AHs) is challenging, and the real-world effectiveness of omalizumab remains unclear.

Objective: Our aim was to evaluate the real-world effectiveness of omalizumab, optimal response assessment timing, and predictive factors.

Methods: Initially, 5535 patients with CU who were receiving at least 20 mg of loratadine daily for at least 6 months (January 2007-August 2021) were screened.

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Moyamoya disease (MMD) is closely associated with the Ring Finger Protein 213 (), a susceptibility gene for MMD. However, its biological function remains unclear. We aimed to elucidate the role of in the damage incurred by human endothelial cells under oxygen-glucose deprivation (OGD).

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Background: Emotional abuse during childhood and adolescence is thought to be associated with the brain; however, the neural mechanism underlying the cognitive process remains unknown. Therefore, we aimed to investigate the mediating effect of negative automatic thoughts on the relationship between emotional abuse and resting-state functional connectivity (rsFC) during adolescence.

Method: Our community sample included 54 adolescents aged 13-17 years in the statistical analysis.

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