• The Journal of Korean Academy of Orthopedic Manual Physical Therapy
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• v.16 no.2
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• pp.34-39
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• 2010

Purpose : The purpose of this study is to find out the evidence concerning the effectiveness of manual therapy intervention in the treatment of low back pain related to spondylolisthesis Methods : 12men with lumbar pain from L5~S1 spondylolisthesis of 2 or 3 grade were treated during 12-week period. The manual therapy applied twice per week. The results of back and radiating pain were measured by VAS, and abdominal muscle strength was measured by Power track II. The measurement of degree of slip in spondylolisthesis was confirmed by the lateral view of X-ray and took a measurements of the anterior displacement of a vertebral body in relation to the vertebral below. Results : 1. There was significant decrease in the back and radiating pain.(p<0.05) 2. There was significant increase in the abdominal muscle strength.(p<0.05). 3. There was significant decrease in the degree of the anterior displacement. Conclusion: The intervention of manual therapy for lumbar spondylolisthesis is effective in back pain, radiating pain, abdominal muscle strength and degree of the anterior displacement. So, nonsurgical treatment should be attempted before surgical treatment.

• Clinical and Experimental Pediatrics
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• v.56 no.3
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• pp.101-106
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• 2013

Despite developments in surgical techniques and other interventions, right ventricular (RV) failure remains an important clinical problem in several congenital heart diseases (CHD). RV function is one of the most important predictors of mortality and morbidity in patients with CHD. RV failure is a progressive disorder that begins with myocardial injury or stress, neurohormonal activation, cytokine activation, altered gene expression, and ventricular remodeling. Pressure-overload RV failure caused by RV outflow tract obstruction after total correction of tetralogy of Fallot, pulmonary stenosis, atrial switch operation for transposition of the great arteries, congenitally corrected transposition of the great arteries, and systemic RV failure after the Fontan operation. Volume-overload RV failure may be caused by atrial septal defect, pulmonary regurgitation, or tricuspid regurgitation. Although the measurement of RV function is difficult because of many reasons, the right ventricle can be evaluated using both imaging and functional modalities. In clinical practice, echocardiography is the primary mode for the evaluation of RV structure and function. Cardiac magnetic resonance imaging is increasingly used for evaluating RV structure and function. A comprehensive evaluation of RV function may lead to early and optimal management of RV failure in patients with CHD.

• Journal of East-West Nursing Research
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• v.11 no.1
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• pp.65-74
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• 2005

This research has been conducted in order to compare and analyze the role-conflict, job stress and job satisfaction of nurses according to their current work posts. The subjects of this research were carefully selected 426 nurses from 2 university hospitals. The research tool were a role-conflict measurement index, job stress a tool, and job satisfaction Minnesota Satisfaction Questionnaire. The data have been collected using a structured questionnaire from March to May 2003. The collected data have been analyzed using the SPSS PC 10.0V program. The nurses at Intensive Care Unit (ICU) showed highest level of job stress while the nurses at surgical ward showed the lowest level of job stress (F=8.37, p=.000). There was no significant difference in role-conflict and job satisfaction according to the current work posts. According to the results of this research, there was a difference in stress according to the current work posts, and it turned out that the nurses at ICU had the highest level of stress compared to the nurses at other departments, and it causes a fall in job satisfaction.

• Journal of Korean Academy of Nursing Administration
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• v.14 no.4
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• pp.413-420
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• 2008

Purpose: To examine the relationship between nurse staffing level and nurse perception of nursing performance. Method: The subjects of this study were 724 nurses from 70 medical or surgical wards in 23 hospitals from February to March 2006. A self-reporting questionnaire, which was developed by the researcher through a preceding study, was used. In data analysis, SAS program was utilized for descriptive statistics, t-test, ANOVA, and Tukey test. Results: The mean score of the nursing performance was 53.3. The mean of bed-to nurse ratio was 3.39:1. The study revealed a negative correlation between bed-to nurse ratio and the nurses' perception of nursing performance. There was a significant relationship between above 3.5:1 and below 2.5:1(F=4.59, p=0.010). Conclusion: We found that the higher the nurse staffing, the better the nursing performance. It is recommended that future research measures nurses' performance and nursing organizational performance using objective measurement tools including clinical indicators.

• Journal of Korean Critical Care Nursing
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• v.4 no.1
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• pp.65-73
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• 2011

Purpose: This study was to develop and evaluate stability and effects of an early exercise program for patients with open heart surgery. Methods: The subjects of this study were 30 patients who had either a coronary bypass surgery or a valvular heart surgery at a tertiary hospital in Seoul. The data was collected by observation and measurement from October 1, 2004 to November 15, 2004. Results: The early exercise program developed for this study consisted of range of motion exercise and walking. Intensity of walking was 1~3 METs and increased progressively to daily target distance. During exercise, the subjects were monitored heart rate, blood pressure and RPE (Rating of Perceived Exertion). The mean FIM (Functional Independent Measurements) score of subjects was significantly improved after the early exercise program. However, several complaints such as dizziness or pain were also reported. Most complaints were associated with chest tube and RPE. Conclusion: The early exercise program can help to recover patients' physical activities after surgery, and can be applied to most patients. Patients' RPE, dizziness and pain was possible limitations, therefore, active pain control and prevention of accidents for patients would be needed.

• Journal of the Korean Society for Precision Engineering
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• v.28 no.8
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• pp.984-991
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• 2011

The aim of this study is to develop a humeral Intramedullary fixation nail (HIFN) suitable for Korean people. In this study, CT images were obtained from 72 Korean cadaveric humeral bones and 3D Korean humeral bone models were reconstructed based on the CT images to investigate anatomical characteristics. Major design parameters of HIFN were selected using the morphological measurement information of the Korean humeral bone models. Through finite element analysis and mechanical tests, the developed HIFN prototype was compared with the Polarus HIFN ($ACUMED^{(R)}$, USA), and it was found that the HIFN prototype showed similar and/or superior mechanical performance compared to the Polarus HIFN. Also, clinical validation for the HIFN prototype was carried out to check predictable troubles in surgical operations. Finally, optimal design modification was proposed to prevent the possible axillary nerve injury due to the locking screw system of the HIFN prototype.

• Journal of the Korean Association of Oral and Maxillofacial Surgeons
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• v.29 no.3
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• pp.163-168
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• 2003

Three-dimensional solid model has not been widely used in surgical prediction of orthognathic surgery because frequent artifacts from occlusal restorations or prosthesis limited the usefulness of simulated surgery involving occlusion. We prepared three-dimensional(3D) solid model from CT data and integrated the 3D solid model with dental cast using a face-bow transfer technique combined with skeletal reference measurement and confirmation with cephalometric radiographs. With this simple and easy method, it was possible to predict bony interference between the proximal and distal segment of the mandible so that we can prevent condylar displacement after sagittal split ramus osteotomy of the mandible with prominent asymmetry. The method error was within 2mm and it seemed to be useful in preoperative planning for maxillofacial surgery with maxillo-mandibular occlusal change.

• Journal of the Institute of Convergence Signal Processing
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• v.20 no.2
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• pp.63-69
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• 2019

In this study, bispectrum analysis method introduced to reduce variability of SEF(spectral edge frequency) and MF(median frequency), which are the anesthetic depth indexes extracted by EEG spectral analysis. Bispectrum analysis is an analytical method that can confirm the nonlinearity of EEG. Signal measurement and analysis in the surgical environment should take into consideration various external artifact factors. Bispectrum analysis can confirm the presence of externally introduced artifacts, thereby effectively eliminating artifacts that affect the EEG signal. By applying bispectrum parameters, real-time variability of the anesthetic depth parameters SEF, MF could be reduced. Elimination of variability makes it possible to use SEF, MF as a real-time index during surgery.

• Journal of Korean Clinical Nursing Research
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• v.23 no.1
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• pp.30-39
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• 2017

Purpose: The aim of this study was to evaluate the effects of favorite music therapy on the stress response of hysterectomy patients undergoing general anesthesia. Methods: Date were collected from June 29, 2015 to January 18, 2016 and the participants were 79 hysterectomy patients (experimental group 40 and control group 39). The experimental group listened to their favorite music through earphones from the moment they entered the surgical waiting room until they exited from the post anesthesia care unit. Results: There were statistically significant differences in anxiety (F=15.92, p<.001), systolic blood pressure (F=4.23, p=.008), diastolic blood pressure (F=3.07, p=.033), and heart rate (F=19.93, p<.001) between participants in the experimental group and the control group according to measurement times. Conclusion: The study results show that favorite music therapy considering patients' preferences is effective in reducing anxiety among patients undergoing a hysterectomy under general anesthesia, thus leading to a stable change in their blood pressure and heart rate.

• Proceedings of the Korean Institute of Information and Commucation Sciences Conference
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• 2017.05a
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• pp.175-178
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• 2017

The relative position of the eyeballs in the orbit can be a criterion for estimating multiple pathological conditions. Especially, it is useful to diagnose orbital fracture, thyroid eye disease, orbital tumor, and to evaluate the result of drug and surgical treatment. The Hertel and the Naugle exophthalmometer, which are typical measuring instruments used mainly to measure the protrusion of the eye, are inevitably error by the measurer. In this paper, we propose a method to increase the accuracy and repeatability of the measurement of eyeball exophthalmometric values by using a white light interferometer.