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Concrete-Filled Rectangular Tubular Flange Girders with Flat or Corrugated Webs
김봉균,Mark R. Wimer,Richard Sause 한국강구조학회 2005 International Journal of Steel Structures Vol.5 No.5
revised AIJ Standards for the Structural Calculation of Tubular Stel Concrete Composite Structures, which presents thestandards for designing CFT structures and several design guidelines for CFT beam-columns. The esential characteristics ofcodes that address the design of CFT members are based on the historical background of their own design method. The essentialcharacteristics and design concepts in the design codes are sumarized to explain each design code. This paper also presentsa comparison of design codes.
가족탄력성이 정신장애인의 사회적응과 회복에 미치는 영향
김봉균 한국교류분석상담학회 2014 교류분석상담연구 Vol.4 No.1
본 연구의 목적은 가족탄력성이 정신장애인의 사회적응과 회복에 미치는 영향을 규명하고자 하였다. 이러한 연구 목적을 달성하기 위하여 부산지역의 지역사회보건시설을 이용하고 있는 정신장애인 가족과 정신장애인 각각 160명을 그 대상으로 하였다. 수집된 자료는 SPSS 18을 사용하여 회귀분석을 실시하였다. 연구결과 첫째, 정신장애인의 가족탄력성은 회복을 향상시 키는 것으로 나타났다. 하지만 정신장애인의 가족탄력성은 사회적응은 영향을 미치지 않았다. 둘째, 가족탄력성의 하위요인인 신념체계, 조직유형, 의사소통은 정신장애인의 회복을 향상시 켰다. 그리고 가족 탄력성의 하위요인 중 조직유형만이 사회적응을 향상시켰다. 따라서 정신 질환이라는 가족 내의 위험요인 하에 있는 가족구성원들의 가족탄력성을 향상시킬 수 있는 개입이 필요하다. 첫째, 정신장애인의 회복과 사회적응에 영향을 미쳤던 조직유형을 향상시키 기 위한 확대가족과 사회적지지, 지역사회망 확충, 재원의 확보가 필요할 것으로 보인다. 둘 째, 정신장애인의 가족의 신념체계와 의사소통의 향상을 위해서 정신질환에 대한 정보제공과 관리에 초점을 둔 가족교육이 필요할 것으로 보인다. 그리고 신념체계와 의사소통 향상을 위 한 가족상담이 필요할 것으로 보인다.
김봉균,오세정,송정윤,이한별,박민호,정용식,박우찬,이지나,선우영,Korean Breast Cancer Society 한국유방암학회 2018 Journal of breast cancer Vol.21 No.1
Purpose: Breast cancer is one of the most common malignancies worldwide and the second most common cancer among Korean women. The prognosis of breast cancer is poor in patients with other primary cancers. However, there have been few clinical studies regarding this issue. Therefore, we analyzed the characteristics and prognosis of patients with breast cancer with multiple primary cancers (MPCs). Methods: Data from the Korean Breast Cancer Society Registry were analyzed. Data from enrolled patients who underwent surgery for breast cancer were analyzed for differences in prognosis dependent on the presence of MPCs, and which MPC characteristics affected their prognosis. Results: Among the 41,841 patients analyzed, 913 patients were found to have MPCs, accounting for 950 total MPCs. There was a significant difference in survival rates between the breast cancer only group and the MPC group. The 5-year survival rates were 93.6% and 86.7% and the 10-year survival rates were 87.5% and 70.4%, respectively. Among the 913 patients with MPCs, patients with two or more MPCs had significantly worse prognoses than patients with a single MPC. With respect to the time interval between breast cancer and MPC occurrence, patients with a 5-year or greater interval had significantly better prognoses than patients with less than 1 year between occurrences. Among MPCs, thyroid cancer was the most common primary cancer. However, this type was not related to the prognosis of breast cancer. Gynecologic cancer, colorectal cancer, upper gastrointestinal cancer, and lung cancer were related to breast cancer prognosis. Conclusion: MPCs were a poor prognostic factor for patients with breast cancer. Two or more MPCs and a shorter time interval between occurrences were worse prognostic factors. Although MPCs were a poor prognostic factor, thyroid cancer did not affect the prognosis of patients with breast cancer.
김봉균,안성귀,오세정,김하경,강은영,정용식,변경도,이지나,선우영 한국유방암학회 2022 Journal of breast cancer Vol.25 No.1
Purpose Breast cancer is mainly diagnosed using core needle biopsy (CNB), although other biopsy methods, including vacuum-assisted biopsy (VAB), may also be used. We compared differences in clinical characteristics and prognoses of patients with breast cancer according to biopsy methods used for diagnosis. Methods A total of 98,457 patients who underwent various biopsy methods (CNB, fine-needle aspiration [FNA], VAB, and excisional biopsy) for diagnosing breast cancer were recruited. Using CNB as a reference, related clinicopathological factors and prognostic differences between biopsy methods were analyzed retrospectively using large-scale data from the Korean Breast Cancer Society Registration System. The associations between biopsy methods and clinicopathological factors were compared using multinomial logistic regression analysis, and the prognoses of patients undergoing the different biopsy methods, as breast cancer-specific survival (BCSS) and overall survival (OS), were compared using the Kaplan-Meier method and Cox proportional hazard model. Results Univariate and multivariate analyses showed that unlike FNA, both VAB and excisional biopsy were significantly associated with tumor size, palpability, tumor stage, and histologic grade as relatively good prognostic factors compared to CNB. In particular, VAB showed lower odds ratios for these factors than excisional biopsy. In the univariate analysis, the prognosis of patients undergoing VAB was better than that of those undergoing CNB with respect to BCSS (hazard ratio [HR], 0.188, p < 0.001) and OS (HR, 0.359; p < 0.001). However, in the multivariate analysis, there were no significant prognostic differences from CNB in both BCSS and OS; differences were only evident for FNA. Conclusion In this study, we showed that the characteristics of breast cancer differed according to various biopsy methods. Although VAB is not a standard method for breast cancer diagnosis, it showed no prognostic differences to CNB.
김봉균,김수관,여환호,이준길,조경안 朝鮮大學校 口腔生物學硏究所 1999 Oral Biology Research (Oral Biol Res) Vol.23 No.2
Fibrous dysplasia is an idiopathic skeletal disorder in which medullary bone is replaced and disturbed by poorly organized, structurally unsound fibro-osseous tissue, which may produce cortical expansion. When facial bones are involved, considerable esthetic deformity may result. This is a case report of fibrous dayplasia developed in the facial region of 24-year-old female patient, who had complained the buccolingual expansion of left maxilla area. We could achieve satisfactory result by cosmetic bone shaving procedure on the widely dispered and poorly defined lesions of facial bone. We present a case of fibrous dysplasia on the left maxilla area.
김봉균,김수관,이준길,조경안 朝鮮大學校 口腔生物學硏究所 2001 Oral Biology Research (Oral Biol Res) Vol.25 No.1
Obstructive sleep apnea syndrome (OSAS) is characterized repeated collapae of the upper airway, producing hypopnea, apnea, and ultimately, oxygen destaturation of hemoglobin. The major characteristics of OSAS are male predominance, obersity, hypersomnolence, and excessive snoring. Patients suffer deterioration of memory and judgement, irritability, morning headache, sexual dysfunction, and personality changes. Psychologic changes involving the cardipulmanary system occur and may lead to life-threatening events. The presurgical evaluation includes nocturnal polysomnography, clinical examination, radiologic evaluation, and fiberoptic endoscopy. The current surgical procedures used for OSAS are tracheostomy, tonsillectomy, adeniodectomy, nasal surgery (septoplasty, partial turbinectomy), tongue reduction, uvulopalatopharyngoplasty (UPPP), anterior sagittal osteotomy of the mandible with hyoid myotomy and suspension, and maxillary, mandibular and hyoid advancement. Selection of the surgical procedure is base upon the severity of the sleep apnea, presence of a skeletal dificiency, presence of morbid obesity, and anatomic site of the obsructive process.