• Child Health Nursing Research
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• v.6 no.2
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• pp.199-211
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• 2000

Today, more chronically ill and handicapped children are being cared for at home by a family member caregiver. The task of caring for a family member may feel burden that the caregiver has less time and money and more work. Family functioning and their burden have influence on coping and adaptation of families with chronically-ill children. This study attempted to identify the levels of burden and family functioning in families of children with cerebral palsy and to examine their relationships. The instruments were burden scale developed by Suh and Oh(1993), and a modified Feetham Family Functioning Survey based on Roberts and Feetham.(1982). The subjects were 98 parents of children, under 15 years, who have cerebral palsy and being treated and living in Pusan. Data were collected through a self-administered question- aire from April 26 to May 29. The collected data were tested using frequencies, percentiles, means, t-test, ANOVA, and Pearson correlation coefficient with SPSSWIN program. The results of this study were as follows ; 1. The mean rating scores of burden and family functioning were 2.79±.51 and 4.12±.69, respectively. 2. The relationships between general character- istics and burden were statistically significant difference : degree of children's handicap(F=6.333, P<.01). The relationships between general characteristics and family functioning were statistically significant differences : familial relation with the children(F=3.628, P<.05), caregiver's health status(F=4.359, P<.05), age of children (F=4.185, P<.05), and duration of treatment (F=6.802, P<.01). 3. In families of children with cerebral palsy, there was significantly negative correlation between the burden of parents and the performance of family functioning(r=-.230, P<.05). There were significantly negative correlations between the burden of parents and the satisfaction of family functioning (r=-.211, P<.05), and between the perceived importance and the satisfaction of family functioning(r=-.481, P<.01); however, there was a positive correlation between the performance and the perceived importance of family functioning(r=.425, P<.01). In conclusion, this study suggests that families of children with cerebral palsy need family-focused nursing interventions as supportive care for relieving their burden and for improving family functioning.

• Journal of the korean academy of Pediatric Dentistry
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• v.35 no.1
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• pp.102-109
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• 2008

The aims of this study were to evaluate dental caries status and to analyze the dental caries related factors which could explain the relationship between dental caries and disabled type, severity of handicap, and oral health behaviors among disabled children and adolescent in Korea. A total of 677 subjects aged from 6 to 18 were finally selected by stratified cluster sampling. They were examined by 13 trained dentists and interviewed with questionnaire. For the crude and adjusted associations, bivariate and multivariate analysis were performed using SPSS program(SPSS Inc, Chicago, USA). DMFT index were 0.90(ages 6-8), 2.32(ages 9-11), 3.63(ages 12-14) and 4.93(ages 15-17), respectively. The DMFT index was significantly related to age, frequency and dependency of toothbrushing, and mastication and functional disorder. Specialized preventive care program which accounted the age and toothbrushing instruction be developed and adapted to promote oral health status and behaviors of disabled children and adolescent in Korea.

• Journal of the Korean Society of Laryngology, Phoniatrics and Logopedics
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• v.29 no.1
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• pp.30-36
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• 2018

Background and Objectives : The effect of palliative injection laryngoplasty in cancer-related unilateral vocal cord paralysis patients on voice and swallowing function is uncertain and there are few previous studies of its suitability, benefits as a palliative treatment option. The purpose of this study is to confirm the objective results of voice and swallowing function after palliative office-based hyaluronic acid injection laryngoplasty in cancer-related unilateral vocal cord paralysis patients. Materials and Method : 36 patients who had unilateral vocal cord paralysis from non-thyroidal, extralaryngeal neoplasms were included in this study. To evaluate the clinical outcome, we analyzed perceptual GRBAS grading, acoustic analysis, aerodynamic study, Electroglottography (EGG), Voice Handicap Index (VHI-30) about voice function and disability rating scale (DRS), gastric tube dependency, aspiration pneumonia about swallowing function and 36-Item Short Form Survey version 2 (SF-36v2) about quality of life. Results : In GRBAS scale, G (p<0.001), R (p=0.004), B (p=0.001), A (p=0.011), and S (p=0.007) showed significant improvement. Jitter, shimmer, speaking fundamental frequency, maximal phonation time, VHI-30, DRS score, gastric tube dependency, aspiration pneumonia, and SF-36v2 were significantly improved after injection (p=0.016, p=0.011, p=0.045, p=0.005, p<0.001, p<0.001 p=0.003, p<0.001, and p<0.001 respectively). Conclusion : From this study we concluded office-based hyaluronic acid injection can be used as a useful palliative treatment option in cancer-related ill patients with unilateral vocal cord paralysis. Palliative hyaluronic acid injection laryngoplasty avoids the need for tube feeding, thus reducing the risk of aspiration pneumonia. These outcomes are accompanied by significant improvement in voice quality.

• The Journal of Internal Korean Medicine
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• v.38 no.3
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• pp.392-400
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• 2017

Objective: To report the case of a patient suffering from cervical vertigo who was treated with a combination of Korean medicine treatments (including acupuncture, pharmaco-acupuncture, and Chuna manual therapy). Method: An outpatient with cervical vertigo was given a combination of Korean medicine treatments five times, from December 5 to 16, 2016. All of the treatments, acupuncture with electric stimulation and pharmaco-acupuncture, were applied on the trigger points (TP) of the cervical muscles and the upper trapezoid muscles. Chuna manual therapy was then applied on the cervical area. The Numeric Rating Scale (NRS) - according to outpatient's statement on vertigo, neck pain and headache - and the Korean Dizziness Handicap Inventory (DHI), which is a self-evaluating scale of dizziness in daily life, were used to evaluate the effects of this treatment. Results: At the end of the treatment, the vertigo and the headache disappeared. The NRS decreased from 9 to 0 for vertigo and from 5 to 0 for headache. Although the neck pain also decreased, it did not disappear; this NRS decreased from 7 to 1. The DHI score also decreased significantly, from 64 to 4. Conclusion: Since the symptoms of the patient with cervical vertigo improved after the very first treatment and the improvement of the symptoms was observed as the treatment progressed, this case report is worth supporting the efficacy of combined Korean medical treatments. However, because there was only one subject, it is hard to say that this efficacy can be generalized. Moreover, this report cannot prove the individual efficacy since various treatments were combined. While there are many researches related to cervical vertigo in Western medicine, the studies in Korean medicine are comparably insufficient; therefore, follow-up research on more subjects is needed.

• Journal of the Korea Academia-Industrial cooperation Society
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• v.17 no.2
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• pp.601-609
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• 2016

This study evaluated the dynamic balance and pain after 12 weeks aquatic exercise in old osteoarthritis patients. The dynamic balances were assessed using 2 different experimental conditions (Open Eye Condition; OEC, Closed Eye Condition; CEC). Twenty-two subjects were assigned one of the two experimental groups: arthritis group (ART, age=$65.25{\pm}5.9$, n=11), control group(CON, age=$64.50{\pm}7$, n=11). All subjects participated in the aquatic exercise program three times a week for 12 weeks. The dynamic balances (OEC (p<.001), CEC (p<.05)) capability were improved significantly in the ART group after 12 week aquatic exercise. Visual Analogue Scale (VAS) was decreased significantly [Factor 10(Soft chair, p<0.01), 11 (Lying down, p<0.05), 12(Handicap, p<0.05), 13 (Work interference, p<0.01)] in the ART group. In conclusion, aquatic exercise was effective in improving the overall health status and the capacity of dynamic balances and reducing the degree of pain in osteoarthritis patients.

• Journal of Korean society of Dental Hygiene
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• v.11 no.5
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• pp.717-727
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• 2011

Objectives : This study was purposed to estimate the level of oral health quality of life and the relationship between health-related factors and oral health quality of life in patients with successful dental implants. Methods : This questionnaire survey was conducted during the period from December 2009 to March 2010 with 126 patients confirmed successful dental implants in Busan. The oral health related quality of life and oral health-related factors were estimated with OHIP-14 and 8 oral health characteristics, respectively. Data analysis was performed with descriptive analysis, t-test, ANOVA, multiple regression analysis using SAS(ver 9.1) program. Results : The score of oral health quality of life in patients with successful dental implants was $12.25{\pm}7.82$. The scores of subscale of the oral health quality of life were $1.24{\pm}1.35$ in social disability, $1.60{\pm}1.37$ in handicap, $1.60{\pm}1.44$ in psychological disability, $1.70{\pm}1.38$ in functional limitation, $1.81{\pm}1.35$ in physical disability, $2.14{\pm}1.46$ in physical pain, $2.17{\pm}1.46$ in psychological discomfort, respectively. The related factors of oral health quality of life in patients with successful dental implants were absence of other type prosthesis and experience of tooth brushing education. Conclusions : The oral health related quality of life in patients with successful dental implants was relatively good condition. Social supports and chances for high quality denture and tooth brushing educations are needed to improve oral health related quality of life in patients with dental implants.

• Journal of Technology Innovation
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• v.20 no.1
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• pp.45-73
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• 2012

In this paper, we analyse empirically the effects of financial characteristics on the relationship between R&D investment and market value of firms listed on Korea Exchange. The main results of this study can be summarized as follows. Firm size increase the market valuation of R&D investment because it provides economies of scale, easier access to capital market, and R&D cost spreading. Market share also positively effects the relationship between R&D investment and firm value. Alternatively, free cash flow has a negative effect on the relationship between R&D investment and firm value because firms with high free cash flow could be tempted to use the free cash flow to undertake negative NPV projects. The dependence on external finance is a handicap negatively assessed by the market when firms undertake R&D projects due to the higher information asymmetry associated with this kind of project. Labor intensity has a negative effect on the relationship between R&D investment and firm value because the abnormal profits arising from R&D investment are diluted among employees. Capital intensity also has a negative effect on the relationship between R&D investment and firm value due to the greater financial constraints faced by capital intensive firms. In conclusion, several financial characteristics(firm size and market share) positively effect the relationship between R&D investment and firm value, while others(free cash flow, dependence on external finance, labor intensity, and capital intensity) exert a negative effect. Therefore, we conclude that the effectiveness of R&D investment depends on these financial characteristics.

• Journal of the Korean Society of Laryngology, Phoniatrics and Logopedics
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• v.20 no.1
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• pp.63-67
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• 2009

Background and Objectives: In patients with asthma, increased obstruction and resistance of airway result in impairment in the generation of voice. Allergy and nasal polyposis, which are frequently observed in patients with asthma, are other factors that affect the vocal performance. Bronchodilators and steroids are commonly used in the treatment of asthma, and these agents also have been reported to be associated with voice changes. The aim of this study is to evaluate the voice quality in patients with mild to-moderate asthma by subjective and objective methods. Materials and Methods: A total of 36 patients with asthma established in the Department of Respiratory Medicine were included in this study. 23 were women and 13 were men, with a mean age of 51.7 years. The average duration of asthma was 77.0 months. All patients had mild-to moderate asthma. Acoustic and aerodynamic analyses were performed and the movements of the vocal cords were examined by videolaryngostroboscopy (VLS). Voice Handicap Index (VHI) and GRABS scales were used for subjective evaluations. Results: 50% of patients suffered from dysphonia and FO was 119.3${\pm}$23.7 Hz in male and 198.2${\pm}$18.4 Hz in female patients. There were no significant differences in average shimmer and NHR between females (4.90${\pm}$2.95% ; 0.1O${\pm}$0.04 dB) and males (4.64${\pm}$2.45% ; 0.20${\pm}$0.15 dB). However, the value of jitter was greater for females (2.60${\pm}$1.92%) than for males (1.21${\pm}$0.84%). The VHI score was above the normal limit in 35%, and VLS findings were shown diverse abnormality in 89% asthmatics from mucosal change to hyperfunction of supragottis and contact granuloma. But duration of illness and steroid dose did not correlate with these findings. Conclusion: Subjective and objective abnormality was shown in more than 50% of asthmatic patients. We suggest that persons who suffer from asthma should be examined for possible voice disorders by laryngologist. Additionally, appropriate medical care and voice therapy should be provided for those who have voice disorders associated with asthma.

• Journal of the Korean Society of Laryngology, Phoniatrics and Logopedics
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• v.28 no.2
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• pp.118-122
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• 2017

Background and Objectives : In unilateral vocal fold paralysis (VFP), medialization thyroplasty (MT), arytenoid adduction (AA) and injection layrngoplasty (IL) are the most common procedures to correct phonatory problems. There is no consensus that which procedure is superior to the other for correcting the glottal insufficiency. The purpose of this study was to compare the phonatory parameters between MT, AA and AA with IL (AA+IL) in patients with unilateral VFP. Materials and Methods : This retrospective study enrolled patients from 2005 to 2016. Total 72 patients (49 male, 23 female, mean age 54.5 years) were classified into three groups ; MT (n=28), AA (n=12), and AA+IL (n=32). GRBAS scales, maximum phonation time (MPT), jitter, shimmer, noise to harmonic ratio (NHR), and voice handicap index (VHI)-10 and VHI-30 were preoperatively and postoperatively collected and compared between the three groups. Results : Age, gender and cause of VFP were not significantly different between the three groups. In MT and AA groups, MPT, VHI, G (overall grade) and B (breathiness) were significantly improved. In AA+IL group, jitter, shimmer, NHR, MPT, VHI, G and B were significantly improved. In analysis of differences (pre-postoperative values), ${\Delta}$ jitter (p<0.001), ${\Delta}$ shimmer (p=0.031), and ${\Delta}$ NHR (p=0.002) were significantly different and AA+IL group showed the greatest improvement. Conclusion : Analysis of voice parameters showed that all the three procedures for patients with unilateral VFP are effective in the improvement of voice ; especially in MPT, VHI-10, G and B scales. Compared to the others, AA+IL provided the better acoustic values including jitter, shimmer and NHR.

• Journal of the Korean Society of Laryngology, Phoniatrics and Logopedics
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• v.26 no.1
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• pp.25-33
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• 2015

Background and Objectives:The objective of this study was to investigate the features of post-thyroidectomy subjective voice disorder by Voice Handicap Index (VHI) and Voice Symptom Scale (VOISS) through aerodynamic analysis and to investigate the appropriate voice therapy intervention. Materials and Methods:Twenty post-thyroidectomy patients who had no recurrent laryngeal nerve paralysis through laryngeal stroboscopy were enrolled for this study. Acoustic and aerodynamic evaluations were performed before operation, 2 weeks and 3 months after operation. Subjective voice evaluation was performed by VHI and VOISS. Aerodynamic evaluation was compared and analysed by maximum phonation time(MPT), phonation threshold pressure(PTP), mean air flow rate(MFR), etc. Subjective voice evaluation was surveyed through VHI and VOISS. To evaluate patients' symptoms related to functional voice disorder, scores on physical domain in VHI and VOISS were selected to be compared for each session. Results: The 10 out of 20 participants who complained of voice symptoms had no significant difference with pre-operation in acoustic evaluation, but all showed higher scores on 2 weeks and 3 months after operation compared to pre-operation, in VHI-physical domain and selected questionnaires in VOISS. They reduced MPT and increased PTP value simultaneously. Laryngeal massage and breathing training were simultaneously treated to them, 5 participants resulting in improvement in MPT and PTP compared to pre-treatment. Conclusion:Patients who complained voice change with no organic damage after thyroidectomy were all shown to have reduced MPT and increased PTP in some by aerodynamic evaluations. Reduced MPT may imply some problem in air flow beneath glottis. Increased PTP suggests much more effort in vocalization mechanism than pre-operation. Comparing aerodynamic evaluations in post-thyroidectomy may provide information on behavioral interventions. Additionally, study on laryngeal massage and breathing training simultaneously treated to patients with such voice disorder is needed to be conducted with larger number of participants.