Hyuk Choi

In vivo evaluation of the pulsatile ECLS system.

Development of an algorithm to regulate pump output for a closed air-loop type pneumatic biventricular assist device.

Optimal pressure regulation of the pneumatic ventricular assist device with bellows-type driver.

[A case of acute cholestatic hepatitis induced by Corydalis speciosa Max].

Optimal moving angle of pusher plate in occlusive-type pulsatile blood pump.

Determination of accurate stent graft configuration in abdominal aortic aneurysm using computed tomography: a preliminary study.

Volumetric study in the development of paranasal sinuses by CT imaging in Asian: a pilot study.

Wireless patient monitoring system for patients with nasal obstruction.

Palm surface area database and estimation formula in Korean children using the alginate method.

Hand surface area as a percentage of body surface area in Asian children: a pilot study.

Effects of microelectrical current on migration of nasal fibroblasts.

A durability study of a paracorporeal pulsatile electro-mechanical pneumatic biventricular assist device.

Salmonella typhimurium harboring plasmid expressing interleukin-12 induced attenuation of infection and protective immune responses.

Increased expression of a disintegrin and metalloprotease 8 in allergic rhinitis.

Increased expression of angiogenin in nasal polyps.

Alterations of vasoactive intestinal polypeptide receptors in allergic rhinitis.

Serum cystatin C level is a useful marker for the evaluation of renal function in patients with cirrhotic ascites and normal serum creatinine levels.

Sodium alginate hydrogel-based bioprinting using a novel multinozzle bioprinting system.

An unusual submucosal tumor of the stomach.

Relationships between sarcopenic obesity and insulin resistance, inflammation, and vitamin D status: the Korean Sarcopenic Obesity Study.

Comparison of sequential and 7-, 10-, 14-d triple therapy for Helicobacter pylori infection.

Assessment on the potential role of applying cryoprobe for tissue ablation.

The efficacy of transdermal fentanyl for pain relief after endoscopic submucosal dissection: a prospective, randomised controlled trial.

In Vitro Effect of Clinical Propofol Concentrations on Platelet Aggregation.

Complete en bloc resection of an adenocarcinoma involving Brunner's gland by using endoscopic submucosal dissection.

A comparative pilot study of symptom improvement before and after phototherapy in Korean patients with perennial allergic rhinitis.

The effect of polaprezinc on gastric mucosal protection in rats with ethanol-induced gastric mucosal damage: comparison study with rebamipide.

Sclerosing polycystic adenosis of the nasal septum: the risk of misdiagnosis.

Effect of biphasic electrical current stimulation on IL-1β-stimulated annulus fibrosus cells using in vitro microcurrent generating chamber system.

Risk factors for severe diverticulitis in computed tomography-confirmed acute diverticulitis in Korea.

Effect of isolated uvulopalatopharyngoplasty on subjective obstructive sleep apnea symptoms.

A randomized, endoscopist-blinded, prospective trial to compare the preference and efficacy of four bowel-cleansing regimens for colonoscopy.

Meckel's diverticulum detected by computed tomographic enterography: report of 3 cases and review of the literature.

Endoscopic suturing closure of large mucosal defects after endoscopic submucosal dissection: is the technique, at all times, feasible and effective?

Endoscopic submucosal tunnel dissection salvage technique for ulcerative early gastric cancer.

Synchronous occurrence of gastrointestinal stromal tumor and intrahepatic cholangiocarcinoma: A case report.

A randomized, prospective trial on efficacy and tolerability of low-volume bowel preparation methods for colonoscopy.

Low level light therapy modulates inflammatory mediators secreted by human annulus fibrosus cells during intervertebral disc degeneration in vitro.

Rare case of pancreatic cancer with leptomeningeal carcinomatosis.

A Meta-Analysis of Renal Function After Adult Cardiac Surgery With Pulsatile Perfusion.

A questionnaire survey exploring healthcare professionals' attitudes towards teamwork and safety in acute care areas in South Korea.

Predictors of the patency of self-expandable metallic stents in malignant gastroduodenal obstruction.

Efficacy and implications of a 48-h cutoff for video capsule endoscopy application in overt obscure gastrointestinal bleeding.

Enhancement of Mechanical Properties and Testing of Nitinol Stents in Cerebral Aneurysm Simulation Models.

A Novel Fixation Method for Variable-Sized Endoscopic Submucosal Dissection Specimens: An In Vitro Animal Experiment.

Mantle cell lymphoma with multiple lymphomatous polyposis and intussusception: A case report.

Job Stress and Job Satisfaction among Health-Care Workers of Endoscopy Units in Korea.

Photobiomodulation on human annulus fibrosus cells during the intervertebral disk degeneration: extracellular matrix-modifying enzymes.

Treatment Response and Long-Term Outcome of Peginterferon α and Ribavirin Therapy in Korean Patients with Chronic Hepatitis C.

Endoscopic en bloc resection of an exophytic gastrointestinal stromal tumor with suction excavation technique.

Current status of intragastric balloon for obesity treatment.

Improving of bowel cleansing effect for polyethylene glycol with ascorbic acid using simethicone: A randomized controlled trial.

Benexate hydrochloride betadex modulates nitric oxide synthesis and cytokine expression in gastric ulcers.

Discharge hemoglobin and outcome in patients with acute nonvariceal upper gastrointestinal bleeding.

Prognostic value of inflammation-based markers in patients with pancreatic cancer administered gemcitabine and erlotinib.

Polyethylene glycol plus ascorbic acid for bowel preparation in chronic kidney disease.

Validation study associating glutaminase promoter variations with hepatic encephalopathy in East Asian populations.

Comparison of a split-dose bowel preparation with 2 liters of polyethylene glycol plus ascorbic acid and 1 liter of polyethylene glycol plus ascorbic acid and bisacodyl before colonoscopy.

Changes in Cardiac Varices and Their Clinical Significance after Eradication of Esophageal Varices by Band Ligation.

Recent Trends in Endoscopic Bariatric Therapies.

Selenium Administration Attenuates 5-Flurouracil-Induced Intestinal Mucositis.

Miniaturized thermocycler based on thermoelectric heating for diagnosis of sexually transmitted disease by DNA amplification.

Accessory Devices Frequently Used for Endoscopic Submucosal Dissection.

Is There a Change in Patient Preference for a Female Colonoscopist during the Last Decade in Korea?

Successful access to the ampulla for endoscopic retrograde cholangiopancreatography in patients with situs inversus totalis: a case report.

Spine-on-a-chip: Human annulus fibrosus degeneration model for simulating the severity of intervertebral disc degeneration.

The safety and effectiveness of 2-liter polyethylene glycol plus ascorbic acid in patients with liver cirrhosis: A retrospective observational study.

A promising Forcep Strip Method for gastrointestinal subepithelial tumors originating from the muscularis propria.

Intraductal papillary bile duct adenocarcinoma and gastrointestinal stromal tumor in a case of neurofibromatosis type 1.

Slow-Pull Using a Fanning Technique Is More Useful Than the Standard Suction Technique in EUS-Guided Fine Needle Aspiration in Pancreatic Masses.

Phototherapy suppresses inflammation in human nucleus pulposus cells for intervertebral disc degeneration.

Efficacy and safety of etomidate-midazolam for screening colonoscopy in the elderly: A prospective double-blinded randomized controlled study.

Determination of red blood cell deformability using centrifugal force in a three-dimensional-printed mini-disk (3D-PMD).

Identification of novel susceptibility loci associated with hepatitis B surface antigen seroclearance in chronic hepatitis B.

Diagnostic Benefit of Simultaneous Capsule Endoscopy Using Two Different Systems.

Ursodeoxycholic acid attenuates 5-fluorouracil-induced mucositis in a rat model.

Protocol for the first clinical trial to investigate safety and efficacy of corneal xenotransplantation in patients with corneal opacity, corneal perforation, or impending corneal perforation.

Photobiomodulation of extracellular matrix enzymes in human nucleus pulposus cells as a potential treatment for intervertebral disk degeneration.

Standardization of the proceedings for preparing clinical trials of corneal xenotransplantation in South Korea.

Various Intragastric Balloons Under Clinical Investigation.

Prognosis of patients with gastric variceal bleeding after endoscopic variceal obturation according to the type of varices.

Impact of diet restriction on bowel preparation for colonoscopy.

Increased heat shock protein 70 expression attenuates pancreatic fibrosis induced by dibutyltin dichloride.

EUS-guided irreversible electroporation using endoscopic needle-electrode in porcine pancreas.

Self-expandable metal stents in patients with postoperative delayed gastric emptying after distal gastrectomy.

A feasibility study using cadaver: Efficacy and safety of the novel automatic urinary catheterization device.

A Pilot Study of Endoscopic Submucosal Dissection Using an Endoscopic Assistive Robot in a Porcine Stomach Model.

A randomized controlled trial comparing the efficacy of 1-L polyethylene glycol solution with ascorbic acid plus prucalopride versus 2-L polyethylene glycol solution with ascorbic acid for bowel preparation.

Evaluation of bowel preparation quality in patients with a history of colorectal resection.

Inversion-free image recovery from strong aberration using a minimally sampled transmission matrix.

Learning curve-cumulative summation analysis of visual estimation of left ventricular function in novice practitioners: A STROBE-compliant article.

Electrical impulse effects on degenerative human annulus fibrosus model to reduce disc pain using micro-electrical impulse-on-a-chip.

Using Etomidate and Midazolam for Screening Colonoscopies Results in More Stable Hemodynamic Responses in Patients of All Ages.

Evaluation of Treatment Response after Endoscopic Variceal Obturation with Abdominal Computed Tomography.

Comparative Efficacy of Bariatric Surgery in the Treatment of Morbid Obesity and Diabetes Mellitus: a Systematic Review and Network Meta-Analysis.

Retrospective study on the impact of ulnar nerve dislocation on the pathophysiology of ulnar neuropathy at the elbow.

Characterization of irreversible electroporation on the stomach: A feasibility study in rats.

Comparison of 2 curative treatment options for very early hepatocellular carcinoma: Efficacy, recurrence pattern, and retreatment.

Sheathless High-Throughput Circulating Tumor Cell Separation Using Viscoelastic non-Newtonian Fluid.

Risk Assessment of Injury to Palmar Cutaneous Branch of the Median Nerve Using High-Resolution Ultrasound.

Updates on the Facilities, Procedures, and Performance of the Accredited Endoscopy Unit.

Dipeptidyl-peptidase-4 (DPP-4) inhibitor ameliorates 5-flurouracil induced intestinal mucositis.

Stomach Volume Assessment Using Three-dimensional Computed Tomography Gastrography for Bariatric Treatment.

Acoustic mixing in a dome-shaped chamber-based SAW (DC-SAW) device.

Publisher Correction: Characterization of irreversible electroporation on the stomach: A feasibility study in rats.

A novel technique for repositioning a nasobiliary catheter from the mouth to nostril in endoscopic retrograde cholangiopancreatography.

Survival according to recurrence patterns after resection for transplantable hepatocellular carcinoma in HBV endemic area: Appraisal of liver transplantation strategy.

A Randomized, Endoscopist-Blinded, Prospective Trial to Compare the Efficacy and Patient Tolerability between Bowel Preparation Protocols Using Sodium Picosulfate Magnesium Citrate and Polyethylene-Glycol (1 L and 2 L) for Colonoscopy.

Early malfunction of a biliary self-expandable metal stent with an antireflux valve: A case report.

Comparative efficacy of bariatric endoscopic procedures in the treatment of morbid obesity: a systematic review and network meta-analysis.

A Comparative Study on Aqueous Chitosan Solution and Various Submucosal Injection Fluids Using a Three-Dimensional Sensor.

Narrowband imaging with near-focus magnification for discriminating the gastric tumor margin before endoscopic resection: A prospective randomized multicenter trial.

Effects of photobiomodulation on annulus fibrosus cells derived from degenerative disc disease patients exposed to microvascular endothelial cells conditioned medium.

[Guidelines for Non-variceal Upper Gastrointestinal Bleeding].

Minimally Invasive Gastric Electrical Stimulation Using a Newly Developed Wireless Gastrostimulator: A Pilot Animal Study.

Change in Center of Pressure Progression in the Foot Provides Clues for Functional Improvement of the More Affected Lower Limb During Post-stroke Gait Rehabilitation.

Guidelines for Nonvariceal Upper Gastrointestinal Bleeding.

How Should We Assign Large Infiltrative Hepatocellular Carcinomas for Staging?

Novel Ablation Therapy Using Endoscopic Irreversible Electroporation in the Bile Duct: A Pilot Animal Study.

Higher risk of tuberculosis in combination therapy for inflammatory bowel disease: A nationwide population-based cohort study in South Korea.

In vitro model of distinct catabolic and inflammatory response patterns of endothelial cells to intervertebral disc cell degeneration.

Development of artificial intelligence system for quality control of photo documentation in esophagogastroduodenoscopy.

Association between the body mass index and outcomes of patients resuscitated from out-of-hospital cardiac arrest: a prospective multicentre registry study.

3D-printed, bioactive ceramic scaffold with rhBMP-2 in treating critical femoral bone defects in rabbits using the induced membrane technique.

Feasibility of Wearable Display Glasses for Medical Students in the Endoscopy Room.

Artificial intelligence-assisted analysis of endoscopic retrograde cholangiopancreatography image for identifying ampulla and difficulty of selective cannulation.

Is Abnormal Electrodiagnostic Finding Related to the Cross-Sectional Area of the Nerve Root in Cervical Radiculopathy?

Injectable Thermosensitive Chitosan Solution with -Glycerophosphate as an Optimal Submucosal Fluid Cushion for Endoscopic Submucosal Dissection.

Endoscopic submucosal dissection using a detachable assistant robot: a comparative in vivo feasibility study (with video).

Feasibility and effectiveness of endoscopic irreversible electroporation for the upper gastrointestinal tract: an experimental animal study.

Effect of histological examination on the diagnosis of pancreatic mass using endoscopic ultrasound fine-needle aspiration.

Microfluidic Chip with Low Constant-Current Stimulation (LCCS) Platform: Human Nucleus Pulposus Degeneration In Vitro Model for Symptomatic Intervertebral Disc.

Efficacy and safety of a thermosensitive hydrogel for endoscopic submucosal dissection: An in vivo swine study.

Synergistic stimulation of surface topography and biphasic electric current promotes muscle regeneration.

Colonic stenting as a bridge to surgery for obstructive colon cancer: is it safe in the long term?

Delayed Bronchial Obstruction following Esophageal Stent Implantation: A Case Report.

Intra-instrument channel workable, optical-resolution photoacoustic and ultrasonic mini-probe system for gastrointestinal endoscopy.

Light-to-Hydrogen Improvement Based on Three-Factored Au@CeO/Gr Hierarchical Photocatalysts.

Adipokine human Resistin promotes obesity-associated inflammatory intervertebral disc degeneration via pro-inflammatory cytokine cascade activation.

Microfluidic Electroceuticals Platform for Therapeutic Strategies of Intervertebral Disc Degeneration: Effects of Electrical Stimulation on Human Nucleus Pulposus Cells under Inflammatory Conditions.

Bowel Preparation Efficacy and Safety of 1 L vs 2 L Polyethylene Glycol With Ascorbic Acid for Colonoscopy: A Randomized Controlled Trial.

Electroencephalographic Patterns in taVNS: A Systematic Review.

Observation for the feasibility of a bile duct biopsy technique using a loop-tip guidewire during endoscopic retrograde cholangiopancreatography.

Elucidating the effect of mechanical stretch stress on the mechanism of ligamentum flavum hypertrophy: Development of a novel in vitro multi-torsional stretch loading device.

Engineered Human Intervertebral Disc Model Inducing Degenerative Microglial Proinflammation.

Efficacy and safety of intragastric balloon for obesity in Korea.

Safety of transcutaneous auricular vagus nerve stimulation (taVNS): a systematic review and meta-analysis.

Exploring objective factors to predict successful outcomes after laparoscopic Nissen fundoplication.

Propensity score-matched analysis of physician-controlled wire-guided cannulation as an effective technique against difficult cannulation in endoscopic retrograde cholangiopancreatography: A retrospective study.

Assessment of efficacy and safety of advanced endoscopic irreversible electroporation catheter in the esophagus.

Intervertebral disc organ-on-a-chip: an innovative model to study monocyte extravasation during nucleus pulposus degeneration.

Understanding the Neuroplastic Effects of Auricular Vagus Nerve Stimulation in Animal Models of Stroke: A Systematic Review and Meta-Analysis.

Clinical practice guidelines for percutaneous endoscopic gastrostomy.

[Clinical Practice Guideline for Percutaneous Endoscopic Gastrostomy].

Reappraisal of optimal reconstruction after distal gastrectomy - a study based on KLASS-07 database.

Clinical Practice Guideline for Percutaneous Endoscopic Gastrostomy.

Neural, Anti-inflammatory, and Clinical Effects of Transauricular Vagus Nerve Stimulation in Major Depressive Disorder: A Systematic Review.

Electrical stimulation promotes functional recovery after spinal cord injury by activating endogenous spinal cord-derived neural stem/progenitor cell: an in vitro and in vivo study.

Endoscopic Resection of Early Luminal Cancer.

Role of human dural fibroblasts in the angiogenic responses of human endothelial cells: An in vitro dural model and the application of lab-on-a-chip for EDAS.