• Journal of Korean Ophthalmic Optics Society
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• v.18 no.4
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• pp.413-428
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• 2013

Purpose: The purpose of this study was to evaluate students and optometrist opinion of the usefulness of different subjects of optometry curriculum.This date will then be used as base-line data during a process of curriculum development Methods: 292 of ophthalmic optic's students and 123 of optometrists were surveyed in the usefulness of curriculum (five-point scale) followed by statistical analysis of the results. Results: Optometrists gave a higher average score for curriculum usefulness (3.89) than the students (3.71). The subject which showed the highest usefulness for the student was optometry (4.55) but clinical practice was the highest for the optometrist (4.48). There was significant differences (p<.05) on optics, ophthalmology, basic science, optometrist related subject and foreign language but optometry and contact lenses showed high usefulness in common without significant difference. The usefulness of subject for the student showed significant difference according to gender, grade, age, and desired working place and has demonstrated significant difference depend on gender, age, scholarship, total working experience as an optometrist, workplace, and position for optometrists as well. Conclusions: It is necessary to continue research for the development of standard and bench-marked curriculum for ophthalmic optics and also the curriculum, which reflecting the usefulness and needs obtained from ophthalmic optics' students and optometrists need to be developed.

• The Journal of Korean Medicine
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• v.27 no.4
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• pp.135-141
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• 2006

We were to assess clinical effectiveness, safety and usefulness of Kyejibokryung-hwan (KBH), which has been used for Er-hyul similar with vascular or neurologic disorders causing sensory or motor abnormalities. This study is a retrospective single case series. Two hundred ninety five patients were treated with KBH for various neuropathies in our hospital. Of them, 120 cases were excluded because of insufficient medical records or failure to follow up; the remaining 175 were included in the analysis. There were 18 patients with sensory abnormalities and 28 with motor abnormalities after stroke. Of peripheral type, there were 14 with diabetic neuropathy, 12 with carpal tunnel syndrome, 41 with spinal radiculopathies, and 62 with idiopathic neuropathies, for which the effectiveness was assessed as 55.6%, 21.4%, 64.3%, 83.3%, 45.0%, and 56.5%, respectively. Adverse effects including indigestion or diarrhea were seen in 3.4% of the total patients. Taking the effectiveness and the safety together into consideration, the usefulness was assessed as 55.6%, 21.4%, 64.3%, 83.3%, 45.0%, and 54.8% for treating post-stroke sensory and motor abnormalities, diabetic neuropathy, carpal tunnel syndrome, spinal radiculopathies, and idiopathic neuropathies, respectively. In conclusion, we suggest that KBH is a useful herbal medicine for various neuropathies, especially of sensory type.

• The Journal of the Korea Contents Association
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• v.16 no.3
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• pp.219-231
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• 2016

$^{99m}Tc$-DMSA planar scan that can analyze the functions of kidney quantitatively provides less information on a lesion than tomography scanning. Therefore, this study applied a high sensitivity all-purpose collimator that is sensitive to photonic signals to $^{99m}Tc$-DMSA and carried out a clinical scan with single photon emission computed tomography (SPECT). And diagnostic accuracy and time requirement of were analyzed to know the clinical usefulness of the applied scanning method. 10 subjects were intravenously injected with radiopharmaceutical product (1.0-1.2 MBq/kg) and scanned by a gamma camera with planar scanner (high resolution (HR)-mode, $256{\times}256$, 50 kcts/view, 4 image) and SPECT (HR / high sensitive (HS)-mode, $128{\times}128$, step and shoot, $180^{\circ}$, variable sec/angle, total 64 frame, OSEM reconstruction), respectively. The collected data was compared with an analysis program. The results showed that HS-mode SPECT detected total counts 1.8-5.6 times more than planar scan. Relative renal function evaluated based on the counts was not significantly different by two scanning methods (p=0.96) and it turned out that test time was shortened by 39% when HS-mode SPECT was used. Therefore, SPECT using HR, HS-mode collimator could analyze renal function more quantitatively than using planar scan and the former could diagnose the location information of a lesion more accurately than the latter as well as shortened test time requirement, which demonstrated the clinical usefulness of $^{99m}Tc$-DMSA renal SPECT using high sensitivity all purpose collimator.

• Clinical Endoscopy
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• v.51 no.6
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• pp.527-533
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• 2018

There have been many advances in endoscopic imaging technologies. Magnifying endoscopy with narrow-band imaging is an innovative optical technology that enables the precise discrimination of structural changes on the mucosal surface. Several studies have demonstrated its usefulness and superiority for tumor detection and differential diagnosis in the stomach as compared with conventional endoscopy. Furthermore, magnifying endoscopy with narrow-band imaging has the potential to predict the invasion depth and tumor margins during gastric endoscopic submucosal dissection. Classifications of the findings of magnifying endoscopy with narrow-band imaging based on microvascular and pit patterns have been proposed and have shown excellent correlations with invasion depth confirmed by microscopy. In terms of tumor margin prediction, magnifying endoscopy with narrow-band imaging offers superior delineation of gastric tumor margins compared with traditional chromoendoscopy with indigo carmine. The limitations of narrow-band imaging, such as the need for considerable training, long procedure time, and lack of studies about its usefulness in undifferentiated cancer, should be resolved to confirm its value as a complementary method to endoscopic submucosal dissection. However, the role of magnifying endoscopy with narrow-band imaging is expected to increase steadily with the increasing use of endoscopic submucosal dissection for the treatment of gastric tumors.

• Journal of Electrodiagnosis and Neuromuscular Diseases
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• v.20 no.2
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• pp.106-111
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• 2018

Transcranial magnetic stimulation (TMS) has been a gold standard for investigating central motor pathways in humans. Diffusion tensor imaging with fiber tractography (DTI FT) is known for its usefulness in detecting white matter lesion in vivo. We investigated the clinical usefulness of elucidating the integrity and continuity of corticospinal tract (CST) by combined use of TMS and DTI FT in this study. We report two cases who have presented with left hemiparesis and evaluated by both TMS and DTI FT; 10-year-old boy with Mitochondrial Encephalomyopathy with Lactic Acidosis and Stroke-like episode syndrome and 20-year-old woman with traumatic brain injury. Combined use of TMS and DTI FT successfully led to localize the brain lesion that might cause motor impairment in patients with abnormal signal intensities in MRI. The results of this study suggest that TMS and DTI FT might provide the detailed information between function and anatomy of the CST, complementarily.

• Journal of Korean Society for Quality Management
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• v.36 no.2
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• pp.59-66
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• 2008

Dental implant has recently become one of the most viable treatment options for regaining the oral function and dental aesthetics compared with conventional fixed or removable dentures. Dental implants vary in material, dimensions, geometries, surface properties, and interface geometries. It has been reported that there has been a proliferation of manufacturers who produce implants using various materials and surface treatments, and the dentist needs to select from over 2,000 different dental implants and abutments in a specific treatment situation. Unfortunately, however, no metrics have been specifically identified for the purpose of quality assessment and selection of an appropriate dental implant. This study aims to provide practical guidelines for quality assessment of dental implant based on clinical data. Like other medical devices and materials, the superiority related to specific characteristics of the dental implant needs to be verified through extensive clinical studies. The procedures of clinical monitoring for dental implants have been proposed along with a case study to exemplify the usefulness of clinical monitoring for the purpose of continuous quality improvement in medical industry.

• Journal of the Korean Arthroscopy Society
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• v.13 no.2
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• pp.111-114
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• 2009

Double-bundle anterior cruciate ligament reconstruction (DBACLR) has been developed to produce better clinical outcomes in traditional single-bundle reconstruction, which showed considerable rate of dissatisfaction in restoration of stability and function of the anterior cruciate ligament deficient knee. There is plenty of evidence that DBACLR has theoretical advantages in anatomical, biomechanical, biological, kinematical, and possibly clinical standpoint compared with traditional one but still a lack of available clinical outcome studies with sufficient follow-up to demonstrate the substantial advantages of DBACLR. The purpose of this article is to review the clinical outcomes of double-bundle technique and to address controversy exists over the usefulness of this technique.

• The Korean Journal of Nuclear Medicine
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• v.39 no.2
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• pp.75-81
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• 2005

Myocardial perfusion and function can be quantified using SPECT and PET. There was controversy over the usefulness of the correction techniques for physical artifacts, such as photon attenuation and scatter, in the quantification of myocardial perfusion using SPECT. However, the cumulated results of many investigations have leaded the consensus on the usefulness of the correction procedures to improve the accuracy and specificity of the myocardial SPECT in the assessment of coronary artery diseases. Although the clinical value of the myocardial perfusion PET has not been preyed yet, the absolute myocardial blood flow and perfusion reserve values quantified using myocardial PET are employed in many basic investigations. In this paper, the methods for the quantitative myocardial SPECT and PET will be reviewed.

• Korean Journal of Acupuncture
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• v.26 no.3
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• pp.87-101
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• 2009

Objectives : LI5 and SP6 have been used with a limit in ovary-related disease. But there is few study about the history, the reason, and the mechanism. So, this study was performed to review the literatures related with Eumyangyichonghyul and find the clinical usefulness of that. Methods : 1. The authors reviewed several literatures related with the Eumyangyichonghyul and some scientific studies. 2. We investigated the history and meaning of that, and the relation between the results of scientific studies and the function of that. 3. We found the usefulness based on ancient literatures and scientific studies. Results and Conclusions : 1. Eumyangyichonghyul has been prohibition of acupuncture since had been written on "Dong In Su Hyul Chim Gu Do Gyung". 2. Eumyangyichonghyul could suppress the fetus like as it promotes the delivery. 3. The explanations of ancient literatures and the scientific studies are very similar in viewpoint of whole body mechanism.

• Journal of dental hygiene science
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• v.18 no.3
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• pp.194-200
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• 2018

Early childhood caries is a widespread condition that requires attention; however, its treatment remains a challenge in terms of child behavior management. This study describes the usefulness of customized zirconia crowns for the restoration of deciduous teeth through the evaluation of some cases. Three cases are described: a 29-month-old girl who presented with severe early childhood caries affecting anterior tooth, a 50-month-old boy who presented with extensive caries of his anterior tooth, and 70-month-old girl who presented with extensive caries of his primary posterior dentition. These prefabricated, zirconium-based ceramic crowns ($Nusmile^{TM}$ NuSmile) are available in various sizes, shapes and colors. Before the treatment, radiographs and intraoral photographs were taken to evaluate the appropriateness of treatment. Our findings indicate that customized zirconia crowns may be appropriate for restoring the deciduous teeth. Further long-term clinical studies are required to clarify the usefulness of this restorative method.