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가토 두개골 결손부에 이식된 저골(猪骨)과 혈소판 풍부 섬유소의 골형성 효과
박정익,전성배,송영일,도형식,이진용,장현석,권종진,임재석,이의석,Park, Jeong Ik,Jeon, Seong Bae,Song, Young Il,Do, Hyung Sik,Lee, Jin Yong,Jang, Hyun Seok,Kwon, Jong Jin,Rim, Jae Suk,Lee, Eui Seok 대한악안면성형재건외과학회 2012 Maxillofacial Plastic Reconstructive Surgery Vol.34 No.6
Purpose: The purpose of this study was to evaluate the effectiveness of the platelet-rich fibrin (PRF) used in combination with the porcine cancellous bone as a scaffold, in promoting bone regeneration in the bone defects ofthe rabbit calvaria. Methods: Ten rabbits were used in the study. Three round-shaped defects (diameter 8.0 mm) were created in the rabbit calvaria and were filled with nothing (control group), porcine cancellousbone (Experimental Group 1, porcine bone) and PRF-mixed porcine cancellous bone (Experimental Group 2). TS-GBB is a xenogenic bone-substitute product comprised of a high heat-treated mineralized porcine cancellous bone. Animals were sacrificed at 6 weeks and 12 weeks for the histological and radiographic evaluations. Results: In the micro computed tomography and histological results, the experimental groups 1 and 2 showed more bone formation, remodeling, and calcification than the control group. The new bone formation ratio showed theGroup 2 to be larger than Group 1 at6 and 12 weeks. However, there was no significant difference between the experimental groups 1 and 2 in the new bone formation area, at the 6 and 12 weeks (P>0.05). Conclusion: The PRF-mixed group showed more bone formation than the porcine cancellousbonegroup (TS-GBB), butthere was a no significant difference. The PRF may not lead to enhanced bone healing when grafted with the porcine cancellous bone.
박정익,양웅석,문성원,남원욱,김효종,이정석,오상유 고신대학교(의대) 고신대학교 의과대학 학술지 2014 고신대학교 의과대학 학술지 Vol.29 No.2
We report a case of anal squamous cell carcinoma extended to the rectal mucosa that was clinically mistaken for rectal adenocarcinoma and literature reviwed. Sigmoidoscopic finding showed spherical shaped elevated lesion with central ulceration, interpreted as rectal adenocarcinoma in the distal portion of rectum. Anal squamous cell carcinoma is very rare among gastrointestinal cancer. Pathological study of the biopsy specimen demonstrated squamous cell carcinoma and normal rectal glands. Sigmoidoscopic finding of the presented case showed the ulcerarive lesion contineuosly extended from anal verge upward to the rectum. We postulate that the presented case is primarilly originated from the anal squamous cell carcinoma extended proximally to the rectum. Immunohistochemical stain(p-63) of the biopsy specimens showed squamous cell carcinoma. This patient has been completely recovered after treartment of chemoradiation and trans-anal excision. We present a case of anal squamous cell carcinoma invading rectal mucosa clinically mistaken for rectal adenocarcinoma and literature reviewed.
Systemic Review for The Effectiveness of Current Conservative Treatment in Necrotizing Pancreatitis
박정익,양웅석 고신대학교(의대) 고신대학교 의과대학 학술지 2014 고신대학교 의과대학 학술지 Vol.29 No.1
The standard treatment of pancreatic necrosis has been surgical necrosectomy. There has been debate on whether early surgical intervention can reduced by infected pancreatic necrosis (IPN). Early emergency laparotomy and multiple organ failure remain associated with high mortality. However, reports have presented during the last 10 years of survival of severe acute pancreatitis with medical management. Large and multicenter study showed that about two thirds of patients with necrotizing pancreatitis can be treated conservatively with relatively low mortality. Patients with IPN benefit from postponding intervention and minimal invasive treatment. We reviewed 4 literatures including 2 Korean institute reseached reports concerning non-surgical, conservative treatments of necrotizing pancreatitis including IPN. Large and multicenter study showed that about two thirds of patients with necrotizing pancreatitis can be treated conservatively with relatively low mortality.
크루즈관광객의 선상이벤트 참가동기가 정서적관여도와 고객시민행동에 미치는 영향
박정익,최재우 관광경영학회 2018 관광경영연구 Vol.84 No.-
This research had been conducted to investigate the influence relationships between the motivation for participating in the boarding event, the level of the emotional involvement, and the citizen customers' behaviors of the cruise tourists. And the significance lies in the establishment of the concepts of the variables regarding which the researches have been inadequate. Regarding the questionnaire survey investigation, it had been proceeded with the boarders of Victoria, a leased cruise ship, as the subjects for 2 months from June 2017 until August 2017. And, excluding the insufficient samples, the analysis was carried out with the samples of the 300 copies. As a result of the research, it appeared that, among the motivations to participate, the deviation, the novelty, and the amusement had the influences on the level of the emotional involvement, and the educationality was dismissed. Also, because, regarding the level of the emotional involvement, it appeared that it had the influences on the customers' love, the customer's cooperation, and the customers' participation, it was confirmed that the level of the emotional involvement has the influence on the citizen customers' behaviors.
박정익(Jeong-Ik Park),허찬영(Chan-Young Hur),김진수(Jin-Soo Kim),김기훈(Ki-Hun Kim),김광희(Kwang-Hee Kim),박오환(Oh-Hwan Park),최창수(Chang-Soo Choi),최영길(Young-Kil Choi) 대한외과학회 2010 Annals of Surgical Treatment and Research(ASRT) Vol.78 No.1
Gallbladder perforation during laparoscopic cholecystectomy (LC) with spillage of bile and gallstones occurs frequently, but clinical sequelae caused by dropped gallstones are uncommon. We present a case of subhepatic and right-back abscess formation due to spilled gallstones occurring two years after LC, which were successfully removed using a percutaneous method as a minimally invasive technique. The patient firstly visited a primary care physician with right-back mass that was increasing in size and becoming symptomatic, then underwent incision and drainage. He was referred to our hospital and the subhepatic and right-back inflammatory mass containing spilled gallstones was revealed by computed tomography. Under fluoroscopic control, a percutaneous drainage catheter was placed within the abscess and pus was aspirated. The spilled gallstones were successfully retrieved with basket forceps, thereafter. The patient was discharged without significant complications on the 9th day after the percutaneous stone removal.
담낭암의 생존율에 영향을 미치는 예후 인자에 대한 분석
박정익(Jeong-Ik Park),김진수(Jin-Soo Kim),김기훈(Ki-Hun Kim),김관우(Kwan-Woo Kim),김광희(Kwang-Hee Kim),최창수(Chang-Soo Choi),최영길(Young-Kil Choi) 한국간담췌외과학회 2010 한국간담췌외과학회지 Vol.14 No.3
Purpose: Recent findings indicate that after cholecystectomy for early gallbladder cancer (GBC), outcomes are generally satisfactory. But outcomes for advanced GBC are dismal, even with recent advances in diagnostic and therapeutic modalities. The purpose of this study was to evaluate surgical outcomes and prognostic factors affecting survival after surgical resection in patients with GBC. Methods: We retrospectively reviewed clinical data from 133 patients with GBC who underwent surgical resection between January 2000 and December 2008. Their clinical condition, surgical treatment, and pathologic factors were analyzed. Results: Among the 133 patients with GBC, curative resection was achieved in 95 (71.4%). The 5-year survival rate in patients who underwent curative resection (52.6%) was much better than in those who underwent palliative resection (0.0%, p<0.000). Univariate analysis revealed that the following factors were associated with patient survival: preoperative jaundice, pain at presentation, incidental GBC, serum total bilirubin, alkaline phosphatase (ALP), carbohydrate antigen 19-9 levels, curability, lymph node (LN) dissection, size, site, macroscopic type of tumor, histologic differentiation, the depth of tumor invasion (T stage), LN metastasis, TNM stage and microscopic perineural invasion. Multivariate analysis revealed that the following were independent, favorable prognostic factors: curative resection, no LN metastasis, low TNM stage, non-papillary macroscopic type, and low ALP levels. Conclusion: Complete tumor resection and no LN metastasis are important prognostic factors for GBC. Favorable survival outcomes can be achieved when curative resection is done in early stage GBC and when operative procedures are planned with the consideration of the survival benefit of surgery in advanced GBC.
축제 체험프로그램 참여동기가 몰입과 만족, 재방문의도에 미치는 영향
박정익 ( Jung Ik Park ),이미혜 ( Mi Hye Lee ) 한국이벤트컨벤션학회 2011 이벤트 컨벤션 연구 Vol.7 No.2
This study is further conducted to positively analyze the effect of the said participation motivation on the commitment and satisfaction of visitors and the effect of the satisfaction of visitors on their intention of re-participation in order to understand the desires and required values of visitors. In addition this study analyzes the satisfaction according to the psychological changes resulting from factors. A total of 300 surveys were conducted from Jul. 20, 2011 to Jul 24, 2011, and 249 surveys except for 41 ones among them were analyzed as the final effective data. This positive analysis was conducted by the need of competitive festival strategy for successful festival operation in mid of severe competition between festivals and also for the purpose of preparing the base for inducing the positive psychological changes of visitors. As a result of this positive analysis, it was confirmed that the participation motivation and commitment of festival participating programs are important factors that affect the re-participation of the festival participating programs.