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韓樟熙 全南大學校企業經營硏究所 1983 産業經濟硏究 Vol.10 No.1
In this study, the author purposed to develop a "knowledge-system" on the problem of the modernization of macromarketing system. For this purpose, the modernization of macromarketing system was defined as a planned change process to achieve and maintain the normative function mix which can maximize the efficiency of the system, that is, can minimize the total marketing costs, on the functionalists' viewpoint. And the existence of normative function mix was proved on the based of the facts that there are some substitutibilities among marketing functions and these substitutions can change the relationships between total marketing costs and marketing service output levels which determine the efficiency of the system. Next, under the assumption that the amount of marketing objects is consistant, factors which affect the normative function mix itself and its acquisition and maintenance were found out and the relationships among these factors were examined. In addition, on the grounds of these findings, some changes which were thought to be necessary for the modernization of the system were presented. And the ways which permit more effective accomplishment of these changes were investigated by using the Sheth and Frazier's "Extended Model of Strategy Mix Choice for Planned Social Change." Further, because these changes can be introduced only when any change agent(s) appear(s) and because the most effective change agent varies with attempted changes, some consideration on the schemata of change agent classification were made. In this study, the Zif's "Macromarketing Management Classification Schema" was recommended for its classification. But any study on the effects of the environment of macromarketing system on the modernization processes and any study on the processes which permit more rapid and economic completion of changes were not made. Besides, any inductive research for justifying the findings of this study was not carried out in it.
韓樟熙 전남대학교기업경영연구소 1993 經營情報 Vol.4 No.1
市場調査 혹은 마케팅조사란 기업의 對顧客活動, 즉 마케팅 관련 의사결정에 필요한 情報를 제공하는 활동이다. 정확한 정보없이 효과적인 의사결정을 수행하는 것의 어려움을 고려할 때, 또한 현대기업의 존속ㆍ성장이 근본적으로 고객의 확보에 달려 있음을 생각할 때, 마케팅조사는 기업경영에 핵심적인 활동인 것이다.
한장희,박성호,최경민,유지훈,Han, Chang-Hee,Park, Sung-Ho,Choi, Kyung-Min,You, Ji-Hoon 대한기관식도과학회 2009 大韓氣管食道科學會誌 Vol.15 No.1
Paratracheal air cysts are rare lesions and detected incidentally during CT scan or autopsy. Histopathologic diagnoses of paratracheal air cysts include trachocele, tracheal diverticulum and lymphoepithelial cyst. The cysts are lined by ciliated columnar epithelium and have communication with trachea. Previous reports suggested an association with obstructive lung disease because of increased expiratory pressures in these patients. Most of these cysts are asymptomatic but rarely cause productive cough, wheezing, recurrent laryngeal nerve paralysis and difficult intubation. We report a case of paratracheal air cyst causing dyspnea with a review of literature.
한장희,정승환,육형동,구자현,곽철,김현회,안규리,정창욱 대한비뇨의학회 2022 Investigative and Clinical Urology Vol.63 No.3
Purpose: To demonstrate the safety and feasibility of synchronous unilateral nephrectomy and contralateral heminephrectomy in extremely severe autosomal dominant polycystic kidney disease (ADPKD), which corresponds to the Mayo imaging classification classes 1D and 1E. Materials and Methods: We retrospectively reviewed patients who underwent unilateral nephrectomy and contralateral heminephrectomy at the Seoul National University Hospital (Seoul, Korea) between May 1, 2016 and August 1, 2021. The preoperative kidney volume was calculated using the ellipsoid equation (length×width×thickness×π/6). The Mayo imaging classification was determined by height-adjusted total kidney volume and age. Using a midline vertical incision, heminephrectomy was performed first by horizontal transection, followed by contralateral nephrectomy. Hilar vessel clamping or resection-bed suturing was not required. Results: In all, nine patients with ADPKD of the highest severity (Mayo class 1D/1E) underwent unilateral heminephrectomy and contralateral nephrectomy for the most common cause of severe abdominal discomfort and malnutrition. All nine patients had end-stage renal disease with hypertension and anemia. The median preoperative total kidney volume was 10,905.8 mL (interquartile range [IQR], 8,170.4–16,227.6 mL). The median operation time was 140 minutes (IQR, 125–185 min) and the median estimated blood loss was 250 mL (IQR, 200–425 mL). Eight of the nine patients were discharged without ICU care or any complications. Delayed pseudoaneurysm occurred in one case and was successfully managed by embolization. All patients were symptom-free for a median follow-up period of 2 years. Conclusions: Synchronous unilateral nephrectomy and contralateral heminephrectomy are safe and feasible treatment options for severe bilateral ADPKD.