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Susceptibility-Weighted Imaging as a Distinctive Imaging Technique for Providing Complementary Information for Precise Diagnosis of Neurologic Disorder

Jeon BU, Yu IK, Kim TK, Kim HY, Hwang S

Various sequences have been developed for MRI to aid in the radiologic diagnosis. Among the various MR sequences, susceptibility-weighted imaging (SWI) is a high-spatial-resolution, threedimensional gradient-echo MR sequence, which is...
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Regenerative Therapy for Osteoarthritis: A Perspective

Im GI, Kim TK

Osteoarthritis (OA) is the most common type of arthritis and causes a significant deterioration in patients’ quality of life. The high prevalence of OA as well as the current lack...
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Results of Decompression Alone in Patients with Lumbar Spinal Stenosis and Degenerative Spondylolisthesis: A Minimum 5-Year Follow-up

Ha DH, Kim TK, Oh SK, Cho HG, Kim KR, Shim DM

Background: Surgical treatment consisting of decompression and fusion is generally known to produce good clinical results for lumbar spinal stenosis with degenerative spondylolisthesis. However, the clinical outcome of decompression alone,...
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Surgical anatomy for Asian rhinoplasty: Part II

Kim TK, Jeong JY

Surgical anatomy for Asian rhinoplasty Part I reviewed layered anatomy with neurovascular system of the nose. Part II discusses upper two-thirds of nose which consists of nasal bony and cartilaginous...
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Tips for troublesome sample-size calculation

In J, Kang H, Kim JH, Kim TK, Ahn EJ, Lee DK, Lee S, Park JH

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Minimal clinically important difference of commonly used patient-reported outcome measures in total knee arthroplasty: review of terminologies, methods and proposed values

Maredupaka S, Meshram P, Chatte M, Kim WH, Kim TK

Purpose: The aim of this article was to highlight various terminologies and methods of calculation of minimal clinically important difference (MCID) and summarize MCID values of frequently used patient-reported outcome...
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Risk factors of emergency reoperations

Kim TK, Yoon JR, Choi YN, Park UJ, Kim KR, Kim T

Background: Emergency reoperation is considered to be a quality indicator in surgery. We analyzed the risk factors for emergency reoperations. Methods: Patients who underwent emergency operations from January 1, 2017,...
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Tips for troublesome sample-size calculation

In J, Kang H, Kim JH, Kim TK, Ahn EJ, Lee DK, Lee S, Park JH

Properly set sample size is one of the important factors for scientific and persuasive research. The sample size that can guarantee both clinically significant differences and adequate power in the...
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Comparison of the Clinical Outcomes of an Ultrasound-Guided and C-Arm Guided Cervical Nerve Root Block

Ha DH, Shim DM, Kim TK, Oh SK, Lee HJ

PURPOSE: This paper compares the clinical outcomes of patients who were treated with a cervical nerve block by ultrasound and C-arm and reports the complication. MATERIALS AND METHODS: A total of...
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Predictive Factors for the Short-Term Efficacy of Epidural Injections in Lumbar Disc Herniation Treatment

Baik JS, Kim YT, Nam DJ, Kim TK

Study Design: Retrospective study. Objectives: The purpose of this study was to analyze several factors affecting the efficacy of epidural steroid injections as a nonoperative treatment modality in lumbar disc herniation...
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Overcoming Current Dilemma in Cartilage Regeneration: Will Direct Conversion Provide a Breakthrough?

Im Gi, Kim TK

Direct reprogramming/direct conversion/transdifferentiation is a process that induces conversion between completely different matured (differentiated) cells in higher organisms. Unlike the process of reprogramming of differentiated cells into induced pluripotent stem...
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Stem Cells for the Regeneration of Tendon and Ligament: A Perspective

Im GI, Kim TK

Tendons are structures that connect muscles to the bones in our body and transmit the force generated by contraction of the muscles to the bones. Ligaments are structures that connect...
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Analysis of Major Factors Affecting False Positive Results in Neonatal Screening Test within 3 Days after Birth

Kim TK, Lee SH, Yu ST, Oh YK

OBJECTIVE: We examined the factors affecting the false positive results in the accidental neonatal screening test (NST) within 3 days after birth and tried to find out the most relevant...
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Importance of Magnetic Resonance Imaging Examination in Unossified Avulsion Fracture of Child Elbow

Oh BH, Kim TK, Heo YM, Cha HJ

Unossified elbow avulsion fractures of children should be treated with care. Simple avulsion fractures seen on an x-ray may actually be severe injuries such as elbow joint subluxation or radial...
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More about the basic assumptions of t-test: normality and sample size

Kim TK, Park JH

Most parametric tests start with the basic assumption on the distribution of populations. The conditions required to conduct the t-test include the measured values in ratio scale or interval scale,...
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Magnetic Resonance Imaging Assessment of Blood Flow Distribution in Fenestrated and Completed Fontan Circulation with Special Emphasis on Abdominal Blood Flow

Caro-Dominguez P, Chaturvedi R, Chavhan G, Ling SC, Yim D, Porayette , Lam CZ, Kim TK, Seed M, Grosse-Wortmann L, Yoo SJ

OBJECTIVE: To investigate the regional flow distribution in patients with Fontan circulation by using magnetic resonance imaging (MRI). MATERIALS AND METHODS: We identified 39 children (18 females and 21 males; mean...
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Retrospective investigation of anesthetic management and outcome in patients with deep neck infections

Kim TK, Yoon HJ, Ko Y, Choi Y, Park UJ, Yoon JR

BACKGROUND: Although incidence of deep neck infection has decreased after the introduction of antibiotics and improvement of oral hygiene, the disease may remain serious to anesthesiologists and patients, especially relative...
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Surgical anatomy for Asian rhinoplasty

Kim TK, Jeong JY

Surgical anatomy is an important and fundamental aspect for all surgical procedures. Anatomy provides a surgeon with the basic and in-depth knowledge that is required and mandatory when performing an...
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Use of an Epidural Steroid Sponge for Postoperative Pain Control in Lumbar Discectomy

Kim TK, Yu HK, Oh SK, Kim YM, Shim DM

STUDY DESIGN: Retrospective study. OBJECTIVES: This study was conducted to evaluate the effects of using an epidural steroid sponge for postoperative pain control in lumbar discectomy. SUMMARY OF LITERATURE REVIEW: There are...
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Assessment of P values for demographic data in randomized controlled trials

Ahn EJ, Kim JH, Kim TK, Park JH, Lee DK, Lee S, In J, Kang H

In a large number of randomized controlled trials, researchers provide P values for demographic data, which are commonly reported in table 1 of the article for the purpose of emphasizing...
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