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소리 자극 강도와 흉쇄유돌근의 수축의 변화에 따른전정유발근전위의 변화
박홍주,한수희,심대보,신향애,임상균,안재윤,정용수,신정은 대한이비인후과학회 2007 대한이비인후과학회지 두경부외과학 Vol.50 No.7
Background and Objectives:The aim of this study was to investigate the effect of the strength of SCM muscle contraction and the intensity of the sound stimulation on the VEMP parameters (amplitude, latency and threshold). Subjects and Method: Twenty normal subjects were included. Subjects pushed with their jaw against the hand-held inflated cuff to generate cuff pressures of 20, 40 and 60 mmHg and sequential stimulation intensities were applied. Variances of each parameter were analyzed. Results:There was no significant difference in terms of threshold according to the side and strength of SCM contraction. P1-N1 amplitude demonstrated no significant differences according to the side;however, the amplitude increased significantly as the cuff pressure and stimulation intensity increased. Interaural amplitude difference ratios showed an increased difference at 20 mmHg when compared to those at 60 mmHg. There was neither a cuff pressure effect, nor stimulation intensity effect when considering the P1 latencies. As for the N1 values, there was no stimulation intensity effect but there was a delayed latency at 20 mmHg when compared to those at 40 or 60 mmHg. Interaural latency difference of N1 latencies did not differ significantly according to the cuff pressure; however, there was an increased difference at 20 mmHg when compared to those at 40 or 60 mmHg. Conclusion:This study shows that VEMP response is influenced by the cuff pressure and stimulation intensity, and we recommend to get each VEMP parameter using this feedback method in the clinical setting. (Korean J Otorhinolaryngol-Head Neck Surg 2007;50:579-83)
조모와 손자녀의 기질, 조모의 양육효능감 및 양육스트레스
박홍주,정향미 한국모자보건학회 2010 한국모자보건학회지 Vol.14 No.1
Objectives:This study was done to identify the relationship among temperament of a grandmother and grandchild, the grandmother's parenting self-efficacy and parenting stress. Methods:Study participants were 165 grandmothers who had grandchildren aged 1 to 7 years in B City. Descriptive statistics, t-test, one-way ANOVA, and Pearson's correlation coefficient were calculated using the SPSS Win 17.0 program. Results:The comparison of a grandmother's parenting self-efficacy according to the characteristics of the participants, showed a significant difference. This could be found in the reasons why grandmothers didn't receive pocket money, relation with working mothers and health conditions. Comparison of grandmothers' parenting stress according to the participants' characteristics showed a significant difference according to conflict with working mothers, health conditions, parenting place and parenting motivations. In correlation with temperament, parenting self-efficacy, and parenting stress, grandmothers' parenting self-efficacy had a negative correlation in the emotionality of grandmothers and grandchildren. Grandmothers' parenting stress had a negative correlation in the sociality of grandmothers and grandchildren. Grandmothers' parenting self-efficacy and parenting stress had a negative correlation. Conclusion:The findings of the study indicated a need to develop and apply nursing intervention to promote grandmothers' parenting self-efficacy, and reduce their parenting stress. This would give due consideration to the characteristics of the grandmothers, and temperament of grandmothers and their grandchildren.
나트륨 뷰티레이트를 함유한 칼슘 설페이트 뼈이식재의 구강점막 및 골조직에 대한 영향
박홍주,김용준,양형철 대한치과재료학회 2022 대한치과재료학회지 Vol.49 No.2
The purpose of this study was to investigate the effect of sodium butyrate (SB)-containing calcium sulfate (CaS) bone graft on fibroblasts, oral mucosa and bone tissue. All the tests were performed according to the standard method of ISO 10993. For the cytotoxicity assay, the SB/CaS mixture was set for 24 h, and was placed on the layer of fibroblasts covered with agar for 24 h. Most cells under and near the mixture were viable and showed the morphology of healthy cells, which indicated that there was no cytotoxicity. The effect of SB/CaS mixture on oral mucosa was evaluated using the hamster cheek pouch. There were no signs of tissue responses indicating inflammatory reactions to SB/CaS mixture. Finally, there was no appearance of inflammatory cells, and normal tissue histology was shown by the implantation of SB/CaS mixture to the femur of rabbits. Therefore, it was considered that the SB/CaS mixture was non-cytotoxic and non-irritant to oral mucosa and bone tissue.
토피라메이트에 의하여 치료된 편두통을 동반한 메니에르병 2예
박홍주,박문수,유진석 대한평형의학회 2008 Research in Vestibular Science Vol.7 No.1
Objective: To investigate the effects of topiramate on vestibular symptoms in patients with Meniere’s disease and migraine Case Reports: We present two patients with Meniere’s disease and migraine, who did not respond to the salt reduction diet and diuretics. Topiramate was given and maintained for several months. Frequency and severity of headache and vestibular symptoms decreased after initiation of the topiramate. Conclusions: Topiramate can be used satisfactorily for the patients with Meniere’s disease and migraine, who are refractory to regular conservative treatment for Meniere’s disease, when vertigo attacks are accompanied by migraine. Objective: To investigate the effects of topiramate on vestibular symptoms in patients with Meniere’s disease and migraine Case Reports: We present two patients with Meniere’s disease and migraine, who did not respond to the salt reduction diet and diuretics. Topiramate was given and maintained for several months. Frequency and severity of headache and vestibular symptoms decreased after initiation of the topiramate. Conclusions: Topiramate can be used satisfactorily for the patients with Meniere’s disease and migraine, who are refractory to regular conservative treatment for Meniere’s disease, when vertigo attacks are accompanied by migraine.