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      • KCI등재

        後鼻漏를 主訴로 한 慢性 副鼻洞炎 患者의 治驗 1例

        김창환,선영재,임웅경,김현기,Kim, Chang-hwan,Sun, Young-jae,Lim, Woong-kyoung,Kim, Hyun-gi 대한한방안이비인후피부과학회 2003 한방안이비인후피부과학회지 Vol.16 No.2

        Paranasal sinusitis is a common disease in the otorhinolaryngology area. It is the change of inflammation at the mucous membrane which surrounds paranasal sinus. Chronic paranasal sinusitis is a chronic inflammation disease with purulent, mucous rhinorrhea, postnasal drip and cough. The attacked period continues above three months and it repeats exacerbation and remission. We diagnosed and treated an outpatient who complains postnasal drip of chronic paranasal drip of chronic paranasal sinusitis based on the Oriental medical theories and had good result.

      • KCI등재

        안면신경마비에 대한 안륜근 미소안면침 증례보고

        조아름,김지현,주경옥,원재선,김창환,Cho, Ah-Reum,Kim, Ji-Hyun,Chou, Ching-Yu,Won, Jae-Sun,Kim, Chang-Hwan 대한한방안이비인후피부과학회 2010 한방안이비인후피부과학회지 Vol.23 No.2

        Objective : This study was designed to evaluate the effect of Miso Facial Acupuncture on Orbicularis Oculi muscle. Methods : Two men and four women with Facial nerve palsy were recruited. Miso Facial Acupuncture on Orbicularis Oculi muscle was performed two times a week for three weeks. The effects of the treatment were evaluated by H-B scale, Y-system and clinical symptom. Results : Before treatment with Miso Facial Acupuncture, three patients showed H-B scale improvement and the other three patients had no change. and four patients showed Y-system improvement and the other two patients had no change. In six cases, the patients had improvement in clinical symptom related with Orbicularis Oculi muscle function. Conclusion : Miso Facial Acupuncture on Orbicularis Oculi muscle showed significant improvement in facial nerve palsy.

      • 방송.통신 융합 서비스 동향

        김창환,Kim, Chang-Hwan 한국정보통신집흥협회 2003 정보화사회 Vol.163 No.-

        향후 2~3년간 통신 기술과 방송 기술의 융합 시도는 급속히 가속화될 것으로 보인다. 이 같은 기술 통합은 서비스간 융합으로 나타나 단기적으로 각각의 사업자는 가입자 확보를 위해 치열한 경쟁을 벌일 것이며, 방송.통신망의 디지털화 완성에 의한 망의 융합화가 더욱 진전돼 궁극적으로는 통합형 비즈니스 모델로 귀결될 것으로 예측된다.

      • KCI등재

        주사탐침현미경을 이용한 Si 표면 국부 산화피막 형성시 선 높이에 대한 탐침 전위, 편향 셋포인트, 탐침 속도의 영향

        김창환,최정우,신운섭,Kim Chang-Hwan,Choi Jeong-Woo,Shin Woon-Sup 한국전기화학회 2006 한국전기화학회지 Vol.9 No.2

        본 연구에서는 주사탐침현미경을 이용한 Si 표면의 국부 산화피막 형성에 있어서, 탐침이 움직이면서 생기는 $SiO_2$의 일차원적인 선의 높이가 탐침 전위, deflection setpoint, 탐침 속도에 의해 어떻게 영향을 받는지 고찰해 보았다. -3 V 보다 작은 탐침 전위에서는 국부 산화피막 형성이 관찰되지 않았으며 -3 V 보다 큰 탐침 전위에서는, 탐침 속도가 $1{\mu}m/s$일 때, 1 V씩 증가함에 따라 0.47nm의 비율로 선의 높이가 높아졌다. Deflection setpoint는 탐침이 가하는 기계적인 힘의 표지가 되는데, $12\sim18nN$ 정도의 힘이 가해지지 않으면 국부 산화피막 형성이 관찰되지 않았다. 그 이상의 힘이 가해져야 국부 산화피막 형성이 관찰되는데 이때 선의 높이는 기계적인 힘과 무관하였다. 탐침 속도가 빨라짐에 따라 선의 높이는 낮아졌으나, 탐침 전위가 -5V인 경우, 0.7nm 이하로 낮아지지는 않았다. The effects of tip voltage, deflection setpoint, and tip velocity on height of $SiO_2$ line drawn by local anodization on Si wafer using scanning probe microscope were investigated. No local anodization was detected at smaller than -3 V of tip voltage. The line height increased at rate of 0.47 nm/V when the tip voltage is stronger than -3 V at $1{\mu}m/s$ tip velocity. From deflection setpoint, mechanical force between tip and substrate could be calculated and the threshold farce was $12\sim18nN$. The height of anodized $SiO_2$ lines is independent of the magnitude of force above the threshold force. The line height decreased as increasing the tip velocity and limited to 0.7 nm at -5 V tip voltage.

      • KCI등재

        양혈사물탕가미방(凉血四物湯加味方)이 Allergy성(性) 접촉(接觸) 피부염(皮膚炎)에 미치는 영향(影響)

        김창환,김경준,Kim, Chang-Hwan,Kim, Kyung-Jun 대한한방안이비인후피부과학회 2005 한방안이비인후피부과학회지 Vol.18 No.1

        Experimental drug was applied to a white male mouse taken ill with allergic contact dermatitis to investigate the effects of Yanghyulsamultanggamibang. 1. In case of skin moisture, when it was checked 72 hours later, there showed up meaningful differences among the normal, control, and sample groups. Especially, the moisture increased more noticeably in the sample group than in the control group. 2. With regards to RBC count in blood, it increased more in the control and sample groups than in the normal group when it was checked both in 24 hours and 72 hours. When it was checked in 48 hours, the number of RBC in the sample group increased the most, and the count in the control group increased more than in the normal group. 3. About the neutrophil rate in WBC count, it increased meaningfully more both on the control and sample groups than in the normal group in 24 hours. When the rate was checked in 48 hours, it increased the most in the sample group, and it increased more in the control group than in the normal group. When in checked72 hours later, it increased substantially more in the control group than both the sample and normal group. 4. As of the lymphocyte rate in WBC count, when measured in 24 hours, it increased in the normal group than in the control and sample groups. In 48 hours, it increased the most in the normal group, and it increased meaningfully more in the control group than in the sample group. 5. Regarding the total IgE, when measured 24 hours later, it increased noticeably more in the normal group than in the control and sample groups. In 48 hours, there showed up substantial differences among the normal, control and sample groups. In particular, it increased meaningfully more in the control group than in the sample group. 6. When the sample of skin tissue was examined, the corneal layer restoration increased more in the sample group than in the normal group. The above-mentioned results prove that Yanghyulsamultanggamibang can be taken when allergic contact dermatitis develops on the skin. Long-term observation afterward is also advised.

      • 하지길이균차에 대환 임상평가와 치료

        김창환,김종덕,Kim, Chang-Hwan,Kim, Jong-Deog 척추신경추나의학회 2004 대한추나의학회지 Vol.5 No.1

        Objectives : Visual check and X-ray are commonly used by chiropractors to estimate ieg length inequality, This study have three categories: diagnosis for anatomic leg length inequality; difference between anatomic and functional leg length inequality; theraphies for anatomic or functional leg length inequality. Methods : We referred to a PubMed site by using word of 'leg length [JU] J Manipulative Physiol Ther', only items with abstracts. Results : We searched 26 articles in J Manipulative Physiol Ther with the key word-Ieg length. Conclusion : 1. Radiographs were most accurate and commonly used by chiropractors to measure anatomic leg length inequality, clinically wood block, tape measure, visual check are acceptable. 2. There was no article about difference between anatomic and functional leg length inequality. 3. Heel lift was commonly used with conservative theraphy for anatomic leg length Inequality. 4. Chiropractors have not yet proved that the supposed positive effects are a result of a reduction of subluxation, The detection of the manipulative lesion in the sacroiliac joint depends on valid and reliable tests, Because such tests have not been established, the presence of the manipulative lesion remains hypothetical. Great effort is needed to develop, establish and enforce valid and reliable test procedures.

      • KCI등재

        이상경상돌기증의 치험례

        김창환,김은관,박효상,박노부,이용오,Kim, Chang-Hwan,Kim, Eun-Goan,Park, Hyo-Sang,Park, No-Boo,Lee, Yong-Oh 대한악안면성형재건외과학회 1994 Maxillofacial Plastic Reconstructive Surgery Vol.16 No.3

        Styloid process is a slender pointed bone of variable length, which project downward, forward, and slightly medialward from the posteroinferior portion of the tympanic part of the temporal bone. Embryologically, the styloid process is derived from Reichert's cartilage, a structure of second branchial arch origin. Most patients with elongated styloid process remain asymptomatic, but some patients complain pain and sensation of foreign body in the throat, dysphagia, dysphonia, referred otalgia. Recently, we have experienced a case of elongated styloid process in a fifty-nine year old man. He had been suffered from Rt. side sore throat, headache and pharyngeal discomfort during head movement. Through various X-ray examination, Xeroradiography, and palpation of tonsillar fossa, elongated styloid process on Rt. side was confirmed. Under the general anesthesia, it was successfully removed out via transoral approach technique, described by Eagle. The resected styloid process was 2.5cm in it's length and he was freed from the symptoms without further complication.

      • KCI등재

        중력 및 자력자료 분석에 의한 울릉분지 북동부 독도 및 주변 해산들의 형성 연구

        김창환,박찬홍,고영탁,정의영,곽준영,유상훈,민경덕,Kim, Chang-Hwan,Park, Chan-Hong,Ko, Young-Tak,Jung, Eui-Young,Kwak, Jun-Young,Yoo, Sang-Hoon,Min, Kyung-Duck 대한자원환경지질학회 2007 자원환경지질 Vol.40 No.2

        '스콜라' 이용 시 소속기관이 구독 중이 아닌 경우, 오후 4시부터 익일 오전 9시까지 원문보기가 가능합니다.

        중력자료 및 자력자료를 이용하여 독도해산들의 지각평형 탄성판모델 및 VGP(Virtual Geomagnetic Pole)를 분석하여 해산들의 형성시기와 형성환경을 연구하였다. 후리에어중력이상은 독도와 이사부해산 최고치 사이에 약 50 mGal의 차이를 보이는데 이 두 화산체는 규모면에서 비슷하지만 후리에어중력이상에서 차이가 나는 것은 보상정도의 차이에 기인한다. 탄성판모델의 적용 결과는 해산 하부 지각의 강도(탄성두께)가 이사부해산에서 독도로 갈수록 강해짐(두꺼워짐)을 지시한다. 즉, 이사부해산이 생성될 당시의 해산 하부 지각의 연령이 가장 젊었고 독도가 생성될 때 하부 지각이 가장 오래 되었다는 것을 나타낸다. 자기이상은 독도해산들을 중심으로 복잡하게 나타난다. 고지자기 특성을 연구하기 위하여 자기 이상을 1500m 상향연속한 후 최소자승자화법 및 반놈자화법을 함께 이용하여 각 독도해산들의 VGP를 구하였다. 기존 독도암석의 연대측정, 탄성판 모델 및 VGP결과를 지자기 연대표와 비교하여 보면 울릉분지의 열개 종료 후에 이사부해산이 정자기극 시대에 가장 먼저 생성되었고 독도은 가장 후기에 생성되었으며 정자기극 시대에 첫 번째 대규모 분출이 있었고 그 후 역자기극 시대에 두 번째 대규모의 분출로 인하여 이루어졌을 것으로 생각된다. 심흥택 해산은 독도와 이사부해산의 생성시기 사이의 정자기극 시대에 형성되었을 것으로 사료된다. 이 해산들의 생성 시기는 동해 생성 후 압축응력이 작용하던 시기와 일치하며 이 압축력 시기의 화산활동에 의해 해산들이 생성되었을 가능성이 높은 것으로 판단된다. Loading time and loading environment of the Dokdo seamounts were studied from flexure model and VGP(Virtual Geomagnetic Pole) determined by gravity and magnetic data. In spite of their similarity in size. a large difference about 50 mGal between gravity anomaly peaks of Dokdo and the Isabu Tablemount suggests different compensation degrees. Flexural modeling results show that the flexural rigidity(effective elastic thickness) of lithosphere for Dokdo is stronger(thicker) than that for the Isabu Tablemount. Also, it implies that the age of lithosphere at the time of loading of the Isabu Tablemount may be younger than that of Dokdo. Magnetic anomalies occur complicated over the Dokdo seamounts. Paleomagnetism was studied from VGP estimated by the least square and the seminorm magnetization methods with 1500 m upward continued magnetic anomalies. Age dating of Dokdo from previous study, flexural modeling, VGP, and geomagnetic polarity time scale suggest that after the cease of spreading in the Ulleung Basin, the Isabu Tablemount was formed first in normal polarity interval and followed by Dokdo. Also, they indicate that the fist large eruption of Dokdo was in normal polarity interval and the second large eruption in reversed polarity interval. The Simheungtaek Tablemount was formed in normal polarity interval between the formations of the Isabu Tablemount and Dokdo. These loading times for the Dokdo seamounts show a good coherence with the compressive stress period after the end of the opening of the East Sea. The Dokdo seamounts probably was caused by volcanism associated with the compressive stress.

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