Preprocedural determination of an occlusion pathomechanism in endovascular treatment of acute stroke: a machine learning-based decision.

Objective: To evaluate whether an occlusion pathomechanism can be accurately determined by common preprocedural findings through a machine learning-based prediction model (ML-PM).

Methods: A total of 476 patients with acute stroke who underwent endovascular treatment were retrospectively included to derive an ML-PM. For external validation, 152 patients from another tertiary stroke center were additionally included.

Coincidental Nasopharyngeal Carcinoma and Ventral Foramen Magnum Meningioma: Case Report and Review of the Literature.

Multiple primary tumors at adjacent site are rare. We report a rare case of coincidentally found nasopharyngeal cancer and ventral foramen magnum meningioma. The 68-year-old male patient presented with a year history of ataxia.

Hyperattenuations on flat-panel computed tomography after successful recanalization of mechanical thrombectomy for anterior circulation occlusion.

Background: To evaluate intraparenchymal hyperattenuation (IPH) on flat-panel computed tomography (FPCT) findings and their clinical usefulness for predicting prognosis after successful mechanical thrombectomy (MT) for acute occlusion of anterior circulation.

Methods: A retrospective review was conducted for 158 consecutive patients undergoing mechanical thrombectomy during the last six years. After excluding those with posterior circulation occlusion or incomplete recanalization and those without FPCT, 82 patients were finally included.

The increased amount of coffee consumption lowers the incidence of fatty liver disease in Korean men.

Background And Aims: Coffee is known to have a beneficial effect on various liver diseases. The aim of this retrospective longitudinal study was to investigate an association between the amount of coffee consumption and the incidence of fatty liver disease in Korean adults.

Methods And Results: Data from a total of 91,436 male and female subjects with the mean follow-up period of 2.

Comparison of Embolic Protection with Proximal and Distal Protection Devices: Periprocedural Complications, Clinical Outcomes, and Cerebral Embolic Lesions on Diffusion-Weighted Magnetic Resonance Imaging.

Objective: Two main types of embolic protection devices have been used during carotid artery stenting (CAS): distal protection devices (DPDs) and proximal protection devices (PPDs). We compared the complications, clinical outcomes, and new ischemic lesions on diffusion-weighted magnetic resonance imaging (DWI) studies between patients who had undergone CAS using a DPD or PPD.

Methods: We performed a retrospective review of the data from patients who had undergone CAS from March 2010 to January 2016.

Associations Among Pregnancy, Parturition, and Open-angle Glaucoma: Korea National Health and Nutrition Examination Survey 2010 to 2011.

Purpose: The purpose of this study was to investigate the association between factors associated with parturition and open-angle glaucoma (OAG) in Korean females.

Methods: A population-based, cross-sectional survey was performed from the Korean National Health and Nutrition Examination Survey from 2010 to 2011 and enrolled postmenopausal female participants (n=1798). We obtained information on demographics, comorbidities, and health-related behaviors and performed comprehensive ophthalmic examinations.

Association Between Optic Disc Hemorrhage and Renal Function in South Korea.

Purpose: The purpose of this article is to investigate the relationship between renal function and disc hemorrhage (DH).

Materials And Methods: This retrospective cross-sectional survey was conducted at Kangbuk Samsung Hospital Health Screening Center between August 2012 and July 2013, and a total of 168,044 participants at least 20 years of age who voluntarily visited the health screening center for systemic and ophthalmologic examinations, including fundus photography, were enrolled. All subjects underwent a physical examination and provided samples for laboratory analysis.

Inflammation in the Prediction of Type 2 Diabetes and Hypertension in Healthy Adults.

Background: While inflammation is associated with obesity and insulin resistance, their inter-relationships in the development of type 2 diabetes or hypertension are not clear.

Aim Of The Study: To evaluate inflammatory markers in prediction of type 2 diabetes and hypertension.

Methods: The study population of this retrospective cohort study consisted of individuals who participated in a comprehensive health screening program with measurement of white blood cell count and C-reactive protein from 2002-2010 (N = 96,606) in nondiabetic and normotensive Koreans.

Cerebral Arterial Stenosis in Patients with Spontaneous Intracerebral Hemorrhage.

Objective: Spontaneous intracerebral hemorrhage (ICH) and ischemic stroke share common vascular risk factors such as aging and hypertension. Previous studies suggested that the rate of recurrent ICH and ischemic stroke might be similar after ICH. Presence of cerebral arterial stenosis is a potential risk factor for future ischemic stroke.

Glaucomatous Optic Nerve Changes and Thyroid Dysfunction in an Urban South Korean Population.

This study was performed to evaluate the relationship between intraocular pressure (IOP) and glaucomatous optic nerve change and thyroid factors in Korean population. The study included subjects who underwent health screening in Kangbuk Samsung Hospital. Detailed history taking and systemic and ocular examination including fundus photography were performed for all participants.

The association between dietary cholesterol intake and subclinical atherosclerosis in Korean adults: The Kangbuk Samsung Health Study.

Background: The Scientific Report of the Dietary Guidelines Advisory Committee (2015) concluded that restriction of dietary cholesterol is unnecessary in most adults for the prevention of cardiovascular disease.

Objective: We aimed to assess the risk for subclinical atherosclerosis according to coronary artery calcium score (CACS), based on dietary cholesterol intake in apparently healthy Korean adults.

Methods: This was a cross-sectional study performed in 30,068 participants (mean age 40.

Relationship between anthropometric parameters and open angle glaucoma: The Korea National Health and Nutrition Examination Survey.

Aims: To evaluate the relationships between open-angle glaucoma (OAG) and various anthropometric measurements.

Design: Korea National Health and Nutrition Examination Survey (KNHANES), a population-based cross-sectional study using a complex, stratified, multistage, probability-cluster survey.

Methods: A total of 5,255 participants including 247 glaucoma patients, aged ≥ 19 years were included from the KNHANES V database.

The Effects of Urinary Albumin and Hypertension on All-Cause and Cardiovascular Disease Mortality in Korea.

Background: Urinary albumin levels and hypertension (HTN) are independently associated with an increased risk of all-cause mortality. The effect of albuminuria on mortality in the absence or presence of HTN is uncertain. This study aimed to evaluate the effect of albuminuria and HTN on all-cause and cardiovascular disease (CVD) mortality.

Specific Location of Disc Hemorrhage is Linked to Nerve Fiber Layer Defects.

Purpose: To investigate the relationship between retinal nerve fiber layer (RNFL) defects and the quadrant and proximal location of disc hemorrhages (DHs) in a large population examined for health screening.

Methods: A total of 168,044 subjects older than 20 years underwent a single screening ophthalmic examination with color fundus photography as part of a comprehensive health screening program. The presence and location of DHs and RNFL defects were assessed.

Relationship between Plasma Homocysteine Level and Glaucomatous Retinal Nerve Fiber Layer Defect.

Aims: To investigate the association between plasma homocysteine levels and glaucomatous retinal nerve fiber layer (RNFL) defect in South Korean population.

Materials And Methods: This retrospective cross-sectional study included subjects who underwent screening at Kangbuk Samsung Hospital Health Screening Center between August 2012 and July 2013. Subjects underwent physical examination and provided samples for laboratory analysis of homocysteine.

The Relationship between Vitamin D and Glaucoma: A Kangbuk Samsung Health Study.

Purpose: To investigate the relationship between vitamin D and glaucoma.

Methods: This retrospective, cross-sectional study included subjects who underwent a health screening at the Health Screening Center of Kangbuk Samsung Hospital from August 2012 to July 2013. All fundus photographs were reviewed by ophthalmologists.

Relationships Between Anthropometric Measurements and Intraocular Pressure: The Korea National Health and Nutrition Examination Survey.

Purpose: To evaluate the relationship between intraocular pressure (IOP) and various anthropometric measures.

Design: A population-based cross-sectional study.

Methods: A total of 5008 participants, 2080 men and 2928 women ≥19 years of age were included from the Korea National Health and Nutrition Examination Survey V database, focusing on the years 2010 and 2011.

Association between Renal Function and Open-Angle Glaucoma: The Korea National Health and Nutrition Examination Survey 2010-2011.

Purpose: To investigate the relationship between renal function and primary open-angle glaucoma (POAG) in a South Korean population.

Design: A population-based, cross-sectional survey using a multistage, stratified, probability-clustered sampling method from the Korean National Health and Nutrition Examination Survey (KNHANES).

Participants: A total of 5971 participants at least 40 years of age were selected from the KNHANES between 2010 and 2011.

Rapid Visual Deterioration Caused by Posterior Fossa Arachnoid Cyst.

Posterior fossa is a site next to the middle fossa where arachnoid cyst frequently occurs. Generally, most arachnoid cysts are asymptomatic and are found incidentally in most cases. Although arachnoid cysts are benign and asymptomatic lesions, patients with posterior fossa arachnoid cysts often complain of headaches, gait disturbance, and ataxia due to the local mass effects on the cerebellum.

Delayed Ischemic Stroke after Flow Diversion of Large Posterior Communicating Artery Aneurysm.

For securing large, giant, and wide-neck aneurysms, conventional coil embolization has substantial limitations, such as incomplete occlusion, recanalization, and a high recurrence rate. To overcome these limitations, a novel paradigm was suggested and, as a result, flow-diverting device was developed. The flow-diverting device is an innovative and effective technique to allow securing of large, giant, and wide-neck aneurysms.

Relationship between high serum ferritin level and glaucoma in a South Korean population: the Kangbuk Samsung health study.

Background/aims: To investigate the association between serum ferritin levels and glaucoma in a South Korean population.

Methods: This retrospective cross-sectional study included 164 029 subjects who underwent screening at Kangbuk Samsung Hospital Health Screening Center between August 2012 and July 2013. All subjects underwent a physical examination, answered sociodemographic and behavioural questions, and provided samples for laboratory analyses.

Serum Vitamin D Status as a Predictor of Prognosis in Patients with Acute Ischemic Stroke.

Background: Low 25-hydroxyvitamin D (25(OH)D) concentrations have been shown to predict risk of cardiovascular disease and all-cause mortality. Although the prevalence of 25(OH)D deficiency is high in patients with acute stroke, the prognostic value of 25(OH)D in stroke has not been clearly established. The purpose of this study was to determine whether the baseline serum 25(OH)D level was associated with the functional outcome in patients with acute ischemic stroke.

Multiple overlapping stent-assisted coiling of complex aneurysms: a single-center experience.

Objectives: Coil embolization of wide-necked and fusiform aneurysms is challenging and is frequently associated with recanalization despite assistance of any additional device. The purpose of this study was to evaluate the feasibility and mid-term outcomes of complex aneurysms after multiple overlapping stent-assisted coiling (OSAC).

Methods: We retrospectively evaluated 26 wide-necked and fusiform atherosclerotic or dissecting aneurysms that were treated with multiple OSAC.

Clinical Analysis of Risk Factors for Recurrence in Patients with Chronic Subdural Hematoma Undergoing Burr Hole Trephination.

Objective: Chronic subdural hematoma (CSDH) is one of the most common types of intra-cranial hemorrhages usually associated with trauma. Surgical treatment is the treatment of choice and burr hole trephination (BHT) is widely performed. The recurrence rate in the patients with CSDH is 3.