2.Experimental microarterial grafts: glutaraldehyde-tanned microvascular heterografts versus autografts.
Dong Hoon WOO ; Dae Sup KIM ; Chin Ho YOON ; Han Joong KIM ; Hong Mee YOUCK
Journal of the Korean Society of Plastic and Reconstructive Surgeons 1992;19(3):359-364
No abstract available.
Autografts*
;
Heterografts*
;
Transplants*
3.Early Results of Subclavian Artery Stenting.
Wook Bum PYUN ; Young Sup YOON ; Dong Hoon CHOI ; Yang Soo JANG ; Won Heum SHIM
Korean Circulation Journal 1999;29(5):481-486
BACKGROUND AND OBJECTIVES: Though the surgical intervention of subclavian artery stenosis has been effective, its high morbidity and mortality have limited its clinical application. In 1980 percutaneous balloon angioplasty of stenotic artery was introduced as a substitute for surgical intervention and subsequent reports have supported its efficacy noting that it is more effective when combined with stent. The purpose of this study was to assess the feasibility, safety, and efficacy of percutaneous intervention as an alternative or primary therapy for symptomatic subclavian artery stenosis. METHODS: Between September 1993 and October 1998, 17 lesions in 16 patients of symptomatic subclavian artery stenosis were enrolled as candidates for nonsurgical intervention. We performed percutaneous balloon angioplasty with stenting to the subclavian artery stenosis and evaluated the early results. RESULTS: 1)The patients had a mean age of 55+/-14 years and 13 of 16 patients were male. 2)Subclavian artery stenting was successful in 94% (16/17) of the lesion without significant complications. The cause of failure was suboptimal result after deployment of stent. 3)The types of stents deployed were Strecker stents in 4, Palmaz stents in 8, Wall stents in 3 and Jo stents in 2 cases. 4)The peak and mean pressure gradient reduced from 58.5+/-17.0 to 8.5+/-7.4 and 31.4+/-13.0 to 4.7+/-5.5 mmHg respectively (p<0.01) and the degree of luminal stenosis decreased from 92.5+/-8.5% to 10.0+/-14.3%. (p<0.01) CONCLUSION: Subclavian artery stenosis can be managed safely and effectively through percutaneous balloon angioplasty with stenting, with an excellent technical success rate and less morbidity and mortality particularly in patients coexisting other vascular and systemic diseases. However, the long-term patency and clinical effects should be warranted.
Angioplasty, Balloon
;
Arteries
;
Constriction, Pathologic
;
Humans
;
Male
;
Mortality
;
Phenobarbital
;
Stents*
;
Subclavian Artery*
;
Subclavian Steal Syndrome
4.The Clinical Results of Conservative Treatment of Frozen Shoulder Using Continuous Passive Motion.
Hoe Jeong CHUNG ; Doo Sup KIM ; Yeo Seung YOON ; Dong Woo LEE ; Kyung Jin HONG
Clinics in Shoulder and Elbow 2015;18(4):217-220
BACKGROUND: The purpose of this study is to administer conservative treatment in 30 patients diagnosed with idiopathic frozen shoulder, following the suggested frozen shoulder rehabilitation program and to assess the clinical outcome using a prospective study. METHODS: Thirty patients diagnosed with idiopathic frozen shoulder, treated with steroid hormone injection on the articular joint with an intra-articular steroid (triamcinolone 40 mg + lidocaine 4 ml) injection and started on stepwise shoulder extension exercise were chosen. The subjects were divided into two groups of 15 people each with one group undergoing rehabilitation with continuous passive motion (CPM) and the other group without it. Follow-ups were done before rehabilitation and at 4-week intervals with the 24th being the final week. At every follow-up, passive range of motion (ROM) was measured and surveys on pain and clinical score were administered. RESULTS: In the last follow-up, both groups showed statistically significant improvements in all evaluation criteria. However, no statistical difference in all values of the ROM and Constant score evaluation criteria was observed between the groups. Only in the last follow-up, group 1 had a visual analog scale (VAS) score of 2.4 +/- 2.1 points, which was lower, with statistical significance, than the VAS score of group 2, which was 4.4 +/- 3.1 points (p<0.001). CONCLUSIONS: Study using CPM in treatment of frozen shoulder has been inadequate, meaning that there is still room for improvement and need for more study on setting a more specific protocol and guidelines for this procedure.
Bursitis*
;
Follow-Up Studies
;
Humans
;
Joints
;
Lidocaine
;
Motion Therapy, Continuous Passive
;
Prospective Studies
;
Range of Motion, Articular
;
Rehabilitation
;
Shoulder
;
Visual Analog Scale
5.The Outcomes of Proximal Humerus Fractures with Medial Metaphyseal Disruption Treated with Fibular Allograft Augmentation and Locking Plate.
Doo Sup KIM ; Yeo Seung YOON ; Sang Kyu KANG ; Han Bin JIN ; Dong Woo LEE
Clinics in Shoulder and Elbow 2017;20(2):90-94
BACKGROUND: Proximal humerus fracture is considered to be the third most common fracture for patients aged 65 years or older. Conservative treatment has been known to treat most of humerus fracture. However, fractures with severe displacement or dislocation may require surgical treatment. Intramedullary fibular allograft with a locking plate is frequently used in patients accompanying medial metaphyseal disruption. In this study, author intends to evaluate clinical and imaging results based on patients who underwent surgical treatment using fibular allograft with a locking plate. METHODS: This study is conducted prospectively at Wonju Severance Christian Hospital, targeting patients who previously underwent surgical treatment using open reduction and intramedullary fibular allograft with a locking plate between 2011 and 2015. A total of 26 patients were evaluated on the following: postoperational clinical assessment measuring Constant score, American Shoulder and Elbow Society (ASES) score, and the Disabilities of the Arm, Shoulder and Hand (DASH) score. Postoperational imaging assessments are evaluated via measuring the neck-shaft angle. The study subject were Neer classification type 3, 4 proximal humerus fracture cases with disrupted medial hinge and having cortical comminution in the region of the surgical neck. RESULTS: The average period of progression was 22.5 months, and the average age of patients was 72.6 years. At the final follow-up, the average Constant, average ASES, and average DASH scores were 80.1, 78.5, and 20.6 respectively. The average neck-shaft angle was 127.5°. CONCLUSIONS: In conclusion, fibular allograft augmentation with a locking plate showed satisfying results in both clinical and imaging studies.
6.Surgery for Ampulla of Vater Adenoma.
Korean Journal of Hepato-Biliary-Pancreatic Surgery 2007;11(1):1-6
Ampullary adenoma is a very rare tumor and it is truly a premalignant neoplasm. The current methods of endoscopic biopsy and even intraoperative frozen sections are limited in their ability to rule out coexisting foci of carcinoma. So, complete removal should be obtained for the treatment of ampullary tumor. Physicians can select one of the treatment modalities, including endoscopic papillectomy, transduodenal local resection and pancreaticoduodenectomy, according to the tumor size and the co-existence of severe dysplasia, carcinoma in situ or adenocarcinoma, and the patient's medical illness. Endoscopic papillectomy can be done in the case of a small adenoma. Pancreaticoduodenectomy is now a standard treatment for a large adenoma and also adenoma with carcinoma. From the view point of organ preservation and long-term quality of life, determining the adequate indications for performing transduodenal local resection for large ampullary adenoma and adenoma with carcinoma should be done.
Adenocarcinoma
;
Adenoma*
;
Ampulla of Vater*
;
Biopsy
;
Carcinoma in Situ
;
Frozen Sections
;
Organ Preservation
;
Pancreaticoduodenectomy
;
Quality of Life
7.Ocular Adnexal Tumors.
Dong Kwang CHOI ; Yoon Ae JO ; Joon Sup OH ; Duk Kee HAHN
Journal of the Korean Ophthalmological Society 1974;15(4):292-297
Eighty seven cases of ocular adnexal tumors were excised and studied histologically between January 1, 1967 and March 31,1974 at Department of Ophthalmology, Dong San Presbyterian Medical Center. The incidence of ocular adnexal tumors among 22,420 out-patients was 0.38%. The Sexual distribution revealed 49 males (56.3%) and 38 females (43.7%). The benign tumors were more frequent in 2nd and 3rd decades, but the malignant tumors, on the other hand, after 5th decade. Location-wise, the eye-lid was largest in number (38 cases, 43.7%) followed by the conjunctiva (24 cases, 27.6%), orbit (23 cases, 26.4%) and lacrmal apparatus (2 cases, 2.3%) in order. As asingle disease, the nevus, pseudotumor and malignant melanoma were impressively high in incidence. Over all incidence of malignant tumors was 31% (27 cases) and that of benign tumors 69% (60 cases). Of malignant tumors the eye lid tumors were largest in number (12 cases), the orbit 9 cases and conjunctiva 6 cases.
Conjunctiva
;
Female
;
Hand
;
Humans
;
Incidence
;
Male
;
Melanoma
;
Nevus
;
Ophthalmology
;
Orbit
;
Outpatients
;
Protestantism
8.Remnant stomach cancer.
Sung Hoon NOH ; Dong Sup YOON ; Seung Ho CHOI ; Jin Sik MIN ; Jae Kyung ROH ; Byung Soo KIM
Journal of the Korean Cancer Association 1991;23(3):578-585
No abstract available.
Gastric Stump*
9.Management of Biliary Pancreatitis in the Laparoscopic Era.
Sung Won KWON ; Dong Sup YOON ; Hoon Sang CHI
Journal of the Korean Surgical Society 1999;56(Suppl):1024-1030
BACKGROUND: The treatment strategy for biliary pancreatitis varies according to the locations of biliary stones and the severity of the pancreatitis. The role and the timing of Endoscopic Retrogradc Cholangio Pancreatography (ERCP) in biliary pancreatitis have not yet been defined, and recently a laparoscopic cholecystectomy has emerged as a useful means in biliary pancreatitis. METHODS: From December 1986 to June 1997, a total of 66 patients (31 males and 35 females) presented with acute biliary pancreatitis at our institution. The medical records were reviewed to determine the diagnostic tools, the location of the gallstone, the severity of the pancreatitis according to Ranson's prognostic score, the timing of ERCP or surgical intervention, the morbidity, and the mortality of each treatment. RESULTS: Most biliary stones were found in the gallbladder, and Common bile duct (CBD) stones, which could be removed via ERCP or choledocholithotomy, were identified in 10 cases (15%). Most patients (86%) were classified as having a mild attack (Ranson's score< or =2) of acute pancreatitis. There was no statistical significance in the timing of each treatment modality between the mild and the severe pancreatitis groups. CONCLUSIONS: ERCP was a safe and helpful adjunct for managing CBD stones. The laparoscopic cholecystectomy was proved to be a safe and effective measure for managing gallbladder stones in resolving biliary pancreatitis. However, open surgery was still necessary when pancreatitis-related complications occurred.
Cholangiopancreatography, Endoscopic Retrograde
;
Cholecystectomy, Laparoscopic
;
Common Bile Duct
;
Gallbladder
;
Gallstones
;
Humans
;
Laparoscopy
;
Male
;
Medical Records
;
Mortality
;
Pancreatitis*
;
Sphincterotomy, Endoscopic
10.Distribution of Glycoconjugates During Wound Healing After Argon Laser Photocoagulation in Pigmented Rabbit Retina.
Hee Seong YOON ; Sae Heun RHO ; Boo Sup OUM ; Young Hyun YOO
Journal of the Korean Ophthalmological Society 1995;36(3):442-456
Lectin is a non-immunological glycoprotein and binds specifically to carbohydrate terminals in tissue. Lectin histochemistry using 10 different biotinylated lectins was performed to investigate the effects on thirty-two pigmented rabbit retinas during wound healing. The results are as follows: 1) In normal retina. a) WGA, RCA I, and LCA were bound to the internal limiting membrane. b) WGA, RCA I, LCA, and PNA were bound to the photoreceptor layer. c) WGA, RCA I, LCA, SJA, ConA and BSL I were bound to the basal side of retinal pigment epithelium. d) PNA was bound to cone cell only. e) SBA, DBA, and UEA I didn't bind to any layers of retina. 2) In photocoagulated wound. One day after photocoagulation WGA, LCA and RCA I began to show increased reaction. At 3 and 5 days these lectins sustained reactivity. At 7 days increased reactivity began to decrease or disappear from wound. Macrophages had positive reaction to BSL I, WGA, LCA, and RCA I. In conclusion these results indicate that a-mannose, a glucose, a, beta-galactose, N-acetylglucosamine, and N-acetylneuramic acid are present in glycoconjugates of normal rabbit neural retina. It seems that some glycoconjugates may be related to vitreoretinal, retinal and chorioretinal adhesion in normnal retinal, and after argon laser photocoagulation. WGA-binding, LCA-binding and RCA I-binding glycoconjugates may play a part in cell adhesion during early wound healing.
Argon*
;
Cell Adhesion
;
Glucose
;
Glycoconjugates*
;
Glycoproteins
;
Lectins
;
Light Coagulation*
;
Macrophages
;
Membranes
;
Retina*
;
Retinal Pigment Epithelium
;
Retinaldehyde
;
Wound Healing*
;
Wounds and Injuries*