1.Posterior Anti-Glide Plating for Supination External Rotation Type Lateral Malleolar Fractures: Clinical Comparison of Locking versus Non-Locking One-Third Semi-Tubular Plate Fixation
Jun Young LEE ; Yong Jin CHO ; Dong Hyuk CHA ; Hyun Bai CHOI ; Jung Ho LEE
Journal of the Korean Fracture Society 2022;35(2):57-62
		                        		
		                        			 Purpose:
		                        			The purpose of this study was to evaluate and compare the clinical and radiological outcomes between locking plates and non-locking plates using posterior anti-glide plating for supination external rotation type lateral malleolar fractures. 
		                        		
		                        			Materials and Methods:
		                        			A total of 50 patients who underwent internal fixation of posterior anti-glide plating due to lateral malleolar fractures, classified as supination-external rotation (SER) as per the Lauge-Hansen classification system, at our hospital from January 2017 to November 2018 were retro-spectively evaluated. Patients were divided into two groups: 1/3 semi-tubular locking plate (24 patients) and 1/3 semi-tubular non-locking plate (26 patients). A radiographic assessment was performed after surgery to evaluate the time of bone union. The American Orthopaedic Foot and Ankle Society (AOFAS) ankle-hindfoot functional score was measured after the surgery to evaluate the clinical outcomes. 
		                        		
		                        			Results:
		                        			The two groups showed similar distributions in sex, age, height, body mass index, fracture pattern, and mean follow-up period. Complete bone union was obtained in all cases and the mean bone union time was 13.00±3.38 weeks in Group 1 and 12.92±3.26 weeks in Group 2 (p=0.87). The mean AOFAS score at 24 weeks was 95.66±2.86 in Group 1 and 95.84±2.79 in Group 2 (p=0.82). The mean AOFAS score at 48 weeks was 97.25±3.54 in Group 1 and 96.57±3.07 in Group 2 (p=0.47). Two cases of complications were observed in the non-locking plate group. 
		                        		
		                        			Conclusion
		                        			For the treatment of Lauge-Hansen SER type lateral malleolar fracture, internal fixation us-ing locking 1/3 semi-tubular plate and non-locking 1/3 semi-tubular plate are both favorable fixation methods. 
		                        		
		                        		
		                        		
		                        	
2.Clinical and Radiologic Outcome of Intertrochanteric Fracture Treatment Using TFNA (Trochanteric Fixation Nail-Advanced)
Hyeon Joon LEE ; Hyun Bai CHOI ; Ba Rom KIM ; Seung Hwan JO ; Sang Hong LEE
Journal of the Korean Fracture Society 2021;34(3):105-111
		                        		
		                        			Purpose:
		                        			This study evaluated the clinical and radiological outcomes of TFNA (Trochanteric Fixation NailAdvanced; Depuy Synthes) for the treatment of proximal femur fractures. 
		                        		
		                        			Materials and Methods:
		                        			This was a retrospective study of 64 patients diagnosed with a proximal femur fracture from January 2019 to November 2019. The patient’s demographic data, preoperatively and postoperatively Koval grade, modified Harris hip score, EQ-5D (Euro-Qol-5 Dimension), sliding and advancement of the blade, radiologic outcome, and complications were investigated. 
		                        		
		                        			Results:
		                        			Fifty patients were available for evaluation at one year postoperatively. The patients reported the following: the Koval grade decreased after surgery; the modified Harris hip score decreased from 78.56±8.88 to 72.74±6.59 (p=0.149); the mean EQ-5D decreased from 0.75±0.09 to 0.72±0.06 (p=0.000). Satisfactory reduction was achieved on a postoperative radiographic examination in 47 patients in six months. Complications occurred in seven cases. 
		                        		
		                        			Conclusion
		                        			TFNA is considered an appropriate implant for treating intertrochanteric fractures of the femur with a minimum follow-up of one year.
		                        		
		                        		
		                        		
		                        	
3.Clinical and Radiologic Outcome of Intertrochanteric Fracture Treatment Using TFNA (Trochanteric Fixation Nail-Advanced)
Hyeon Joon LEE ; Hyun Bai CHOI ; Ba Rom KIM ; Seung Hwan JO ; Sang Hong LEE
Journal of the Korean Fracture Society 2021;34(3):105-111
		                        		
		                        			Purpose:
		                        			This study evaluated the clinical and radiological outcomes of TFNA (Trochanteric Fixation NailAdvanced; Depuy Synthes) for the treatment of proximal femur fractures. 
		                        		
		                        			Materials and Methods:
		                        			This was a retrospective study of 64 patients diagnosed with a proximal femur fracture from January 2019 to November 2019. The patient’s demographic data, preoperatively and postoperatively Koval grade, modified Harris hip score, EQ-5D (Euro-Qol-5 Dimension), sliding and advancement of the blade, radiologic outcome, and complications were investigated. 
		                        		
		                        			Results:
		                        			Fifty patients were available for evaluation at one year postoperatively. The patients reported the following: the Koval grade decreased after surgery; the modified Harris hip score decreased from 78.56±8.88 to 72.74±6.59 (p=0.149); the mean EQ-5D decreased from 0.75±0.09 to 0.72±0.06 (p=0.000). Satisfactory reduction was achieved on a postoperative radiographic examination in 47 patients in six months. Complications occurred in seven cases. 
		                        		
		                        			Conclusion
		                        			TFNA is considered an appropriate implant for treating intertrochanteric fractures of the femur with a minimum follow-up of one year.
		                        		
		                        		
		                        		
		                        	
4.Outcomes of Immediate Operative Treatment of Ankle Trimalleolar Open Fractures
Jun-Young LEE ; Yong-Jin CHO ; Sin-Wook KANG ; Yung-Min CHO ; Hyun-Bai CHOI
Journal of Korean Foot and Ankle Society 2020;24(1):25-30
		                        		
		                        			 Purpose:
		                        			Generally, the treatment of ankle trimalleolar open fractures is divided into two stages: external fixation and debridement; and secondary internal fixation. On the other hand, this two-stage operation takes considerable treatment time and is challenging in procedures requiring reduction. The purpose of this study was to evaluate the radiologic and clinical results of an immediate one-stage internal fixation operation considering the wound conditions to overcome two stage operation disadvantages. 
		                        		
		                        			Materials and Methods:
		                        			From September 2009 to January 2018, 24 cases of ankle trimalleolar open fractures, who underwent immediate internal fixation and were followed up for at least one year, were studied retrospectively. The open wound was divided into the Gustilo- Anderson classification. Open reduction and internal fixation were performed on every medial and lateral malleolar fracture. On the other hand, with posterior malleolar fractures, surgical or conservative treatment was performed depending on the fragment size. The radiologic outcome was evaluated using the Burwell and Charnley criteria and American Orthopaedic Foot and Ankle Society (AOFAS) scores, and complications, such as infection and posttraumatic arthritis, were used for the clinical evaluation. 
		                        		
		                        			Results:
		                        			The wound was classified into eight cases (33.3%) of type I, 11 cases (45.8%) of type II, and five cases (20.8%) of type IIIa. The degree of reduction was anatomical, fair, and poor in 16 cases (66.7%), six cases (25.0%), and two cases (8.3%), respectively. The mean AOFAS score was 79 points, and there were complications, such as infection in three cases (12.5%) and post-traumatic arthritis in two cases (8.3%). 
		                        		
		                        			Conclusion
		                        			Satisfactory results were obtained through immediate surgical treatment in ankle trimalleolar open fractures of types I, II, and IIIa. 
		                        		
		                        		
		                        		
		                        	
5.Systemic administration of low dosage of tetanus toxin decreases cell proliferation and neuroblast differentiation in the mouse hippocampal dentate gyrus.
Bing Chun YAN ; In Hye KIM ; Joon Ha PARK ; Ji Hyeon AHN ; Jeong Hwi CHO ; Bai Hui CHEN ; Jae Chul LEE ; Jung Hoon CHOI ; Ki Yeon YOO ; Choong Hyun LEE ; Jun Hwi CHO ; Jong Dai KIM ; Moo Ho WON
Laboratory Animal Research 2013;29(3):148-155
		                        		
		                        			
		                        			In the present study, we investigated the effect of Tetaus toxin (TeT) on cell proliferation and neuroblast differentiation using specific markers: 5-bromo-2-deoxyuridine (BrdU) as an exogenous marker for cell proliferation, Ki-67 as an endogenous marker for cell proliferation and doublecortin (DCX) as a marker for neuroblasts in the mouse hippocampal dentate gyrus (DG) after TeT treatment. Mice were intraperitoneally administered 2.5 and 10 ng/kg TeT and sacrificed 15 days after the treatment. In both the TeT-treated groups, no neuronal death occurred in any layers of the DG using neuronal nuclei (NeuN, a neuron nuclei maker) and Fluoro-Jade B (F-J B, a high-affinity fluorescent marker for the localization of neuronal degeneration). In addition, no significant change in glial activation in both the 2.5 and 10 ng/kg TeT-treated-groups was found by GFAP (a marker for astrocytes) and Iba-1 (a marker for microglia) immunohistochemistry. However, in the 2.5 ng/kg TeT-treated-group, the mean number of BrdU, Ki-67 and DCX immunoreactive cells, respectively, were apparently decreased compared to the control group, and the mean number of each in the 10 ng/kg TeT-treated-group was much more decreased. In addition, processes of DCX-immunoreactive cells, which projected into the molecular layer, were short compared to those in the control group. In brief, our present results show that low dosage (10 ng/kg) TeT treatment apparently decreased cell proliferation and neuroblast differentiation in the mouse hippocampal DG without distinct gliosis as well as any loss of adult neurons.
		                        		
		                        		
		                        		
		                        			Adult
		                        			;
		                        		
		                        			Animals
		                        			;
		                        		
		                        			Bromodeoxyuridine
		                        			;
		                        		
		                        			Cell Proliferation
		                        			;
		                        		
		                        			Dentate Gyrus
		                        			;
		                        		
		                        			Exotoxins
		                        			;
		                        		
		                        			Fluoresceins
		                        			;
		                        		
		                        			Gliosis
		                        			;
		                        		
		                        			Humans
		                        			;
		                        		
		                        			Immunohistochemistry
		                        			;
		                        		
		                        			Mice
		                        			;
		                        		
		                        			Neurogenesis
		                        			;
		                        		
		                        			Neurons
		                        			;
		                        		
		                        			Tetanus
		                        			;
		                        		
		                        			Tetanus Toxin
		                        			
		                        		
		                        	
6.Effect of Video-Education on Pre-Procedure Anxiety.
Min Young KIM ; Serng Bai PARK ; Su Yong PARK ; Young Eun CHOI ; Young Sung KIM ; Sang Hyun LEE ; Seung Su KIM ; Kyung Hee CHO
Korean Journal of Family Medicine 2011;32(1):37-45
		                        		
		                        			
		                        			BACKGROUND: The value of endoscopy is more increasing as a tool of the cancer screening, and many studies are now progressed for decreasing the inconvenience of patients who undergo the endoscopy. There are some overseas studies that the video-education before procedures like colonoscopy or coronary angiography increases the satisfaction and decreases the anxiety of the patients. But in Korea, there is lack of studies about the methods of decreasing the anxiety of the patients before procedures especially endoscopy. METHODS: We carried out the survey with 95 patients underwent the endoscopy in the medical health checkup center of National Health Insurance Medical Center during 19 July 2008 to 8 September 2008. The patients who had the medical history of gastrectomy, had pains due to another diseases and had a prescription about psychiatric medicine including hypnotics were excluded. RESULTS: Statistically there are no differences between two groups of the video-education and the paper-education according to age, sex, height, weight, body mass index, numbers of former endoscopy, smoking history and educational standard. The video-education is more effective than the paper-education in decreasing the anxiety index between before and after the education. CONCLUSION: The prior video-education for the patients awaiting endoscopy can decrease the anxiety about procedure. Moreover, it can decrease the suffication of the patients and increase the satisfaction of physicians. If the patients feeling the prior anxiety are educated with the video before undergoing endoscopy, the video-education is very effective to decrease the prior anxiety of the patients.
		                        		
		                        		
		                        		
		                        			Anxiety
		                        			;
		                        		
		                        			Body Weight
		                        			;
		                        		
		                        			Colonoscopy
		                        			;
		                        		
		                        			Coronary Angiography
		                        			;
		                        		
		                        			Early Detection of Cancer
		                        			;
		                        		
		                        			Endoscopy
		                        			;
		                        		
		                        			Gastrectomy
		                        			;
		                        		
		                        			Humans
		                        			;
		                        		
		                        			Hypnotics and Sedatives
		                        			;
		                        		
		                        			Korea
		                        			;
		                        		
		                        			National Health Programs
		                        			;
		                        		
		                        			Prescriptions
		                        			;
		                        		
		                        			Smoke
		                        			;
		                        		
		                        			Smoking
		                        			
		                        		
		                        	
7.Polymorphism of a COLIA1 Gene Sp1 Binding Site in Korean Women with Pelvic Organ Prolapse.
Hye Jin CHO ; Hyun Joo JUNG ; Sei Kwang KIM ; Jong Rak CHOI ; Nam Hoon CHO ; Sang Wook BAI
Yonsei Medical Journal 2009;50(4):564-568
		                        		
		                        			
		                        			PURPOSE: To evaluate the possible influence of G-->T substitution at the Sp1-binding site of the COLIA1 gene on the risk of pelvic organ prolapse (POP). MATERIALS AND METHODS: The study group consisted of 15 women with advanced stage POP. Fifteen control subjects with uterine myomas among the postmenopausal women were matched for age and parity. DNA was obtained from peripheral blood leukocytes. The fragments of the first intron of the COLIA1 gene were amplified by real time polymerase chain reaction. The polymorphism was identified using LightCycler Technology with hybridization probes. Sequencing reactions were performed on each template using commercial primer. RESULTS: Two groups had no significant difference in medical history, surgical, and smoking history. The homozygous peaks in two groups were noted at 57degrees C on melting curve analysis. Sequencing reactions confirmed the G/G alleles in the 30 specimens tested. We could not find any polymorphism at the Sp1-binding site in COLIA1 gene with advanced stage POP. Statistical significance was considered to be p < .05. CONCLUSION: The polymorphism of the Sp1-binding site in the COLIA1 gene did not contribute to the development of POP in Korea.
		                        		
		                        		
		                        		
		                        			Aged
		                        			;
		                        		
		                        			Asian Continental Ancestry Group/genetics
		                        			;
		                        		
		                        			Binding Sites/genetics
		                        			;
		                        		
		                        			Collagen Type I/*genetics
		                        			;
		                        		
		                        			Female
		                        			;
		                        		
		                        			Genetic Predisposition to Disease
		                        			;
		                        		
		                        			Humans
		                        			;
		                        		
		                        			Middle Aged
		                        			;
		                        		
		                        			Pelvic Organ Prolapse/*genetics
		                        			;
		                        		
		                        			Polymerase Chain Reaction
		                        			;
		                        		
		                        			Polymorphism, Genetic/*genetics
		                        			;
		                        		
		                        			Sp1 Transcription Factor/*metabolism
		                        			
		                        		
		                        	
8.Comparison between tension-free vaginal tape (TVT) and transobturator tape (TOT) with concomitant surgery for pelvic organ prolapse.
Hyo In YANG ; Hyun Joo JUNG ; Myung Jae JEON ; Ka Hyun NAM ; Ji Hoon CHOI ; Sei Kwang KIM ; Sang Wook BAI
Korean Journal of Obstetrics and Gynecology 2009;52(1):83-90
		                        		
		                        			
		                        			OBJECTIVE: To compare tension-free vaginal tape (TVT) and transobturator tape (TOT) for surgical treatment of stress urinary incontinence (SUI) associated with pelvic organ prolapse (POP). METHODS: Two hundred seventy eight consecutive patients affected by SUI associated with POP more than stage II were included in this retrospective study. Cure rate and postoperative complications such as hemoglobin difference between preoperative and postoperative period, vaginal hematoma, bladder and bowel injury, vaginal mesh erosion, urinary retention, de novo urgency, urinary tract infection were compared. Student's t-test and chi square test were used for statistical analysis. A P-value below 0.05 was considered statistically significant. RESULTS: The number of patients underwent TVT was 145 and TOT was 133. All patients were followed up for more than 12 months. The general characteristics of patients showed no significant difference between the two groups. There was no difference between two groups in cure rate. However, hemoglobin difference (TVT, 2.91+/-0.93 g/dL; TOT, 1.53+/-0.77 g/dL; P=0.04) was higher in TVT group than TOT group and urinary retention within 1 month (TVT, 35.17%; TOT, 21.05; P=0.02), and urinary tract infection (TVT, 11.72%; TOT, 3.75%; P=0.02) more frequently appeared in TVT group than TOT group. Other postoperative complications such as vaginal hematoma (TVT, 6.89%; TOT, 6.76%; P=0.86), bowel injury (TVT, 0%; TOT, 1.5%; P=0.64), vaginal mesh erosion (TVT, 7.58%; TOT, 4.51%; P=0.47), urinary retention after 1 month (TVT, 2.76%; TOT, 3.00%; P=0.35), de novo urgency (TVT 7.58%, TOT: 6.01%, P=0.48) were not different between two groups. CONCLUSION: Both procedures appear to be equally effective in the surgical treatment of SUI associated with POP. However, TOT seems to be a more safe procedure in postoperative complications.
		                        		
		                        		
		                        		
		                        			Hematoma
		                        			;
		                        		
		                        			Hemoglobins
		                        			;
		                        		
		                        			Humans
		                        			;
		                        		
		                        			Pelvic Organ Prolapse
		                        			;
		                        		
		                        			Postoperative Complications
		                        			;
		                        		
		                        			Postoperative Period
		                        			;
		                        		
		                        			Retrospective Studies
		                        			;
		                        		
		                        			Suburethral Slings
		                        			;
		                        		
		                        			Urinary Bladder
		                        			;
		                        		
		                        			Urinary Incontinence
		                        			;
		                        		
		                        			Urinary Retention
		                        			;
		                        		
		                        			Urinary Tract Infections
		                        			
		                        		
		                        	
9.Parent-Controlled Analgesia in Children Undergoing Cleft Palate Repair.
Seung Ho CHOI ; Woo Kyung LEE ; Sung Jin LEE ; Sun Jun BAI ; Su Hyun LEE ; Beyoung Yun PARK ; Kyeong Tae MIN
Journal of Korean Medical Science 2008;23(1):122-125
		                        		
		                        			
		                        			The aims of this study were to find an optimal basal infusion dose of fentanyl for parent-controlled analgesia (PrCA) in children undergoing cleft palate repair and the degree of parents' satisfaction with PrCA. Thirty consecutive children between 6 months and 2 yr of age were enrolled. At the end of surgery, a PrCA device with a basal infusion rate of 2 mL/hr and bolus of 0.5 mL with lockout time of 15 min was applied. Parents were educated in patient-controlled analgesia (PCA) devices, the Wong Baker face pain scoring system, and monitoring of adverse effects of fentanyl. Fentanyl was infused 0.3 microgram/kg/hr at first, and we obtained a predetermined fentanyl regimen by the response of the previous patient to a larger or smaller dose of fentanyl (0.1 microgram/kg/hr as the step size), using an up-and-down method. ED50 and ED95 by probit analysis were 0.63 microgram/kg/hr (95% confidence limits, 0.55-0.73 microgram/kg/hr) and 0.83 microgram/kg/hr (95% confidence limits, 0.73-1.47 microgram/kg/hr), respectively. Eighty seven percent of the parents were satisfied with participating in the PrCA modality. PrCA using fentanyl with a basal infusion rate of 0.63 microgram/kg/hr can be applied effectively for postoperative pain management in children undergoing cleft palate repair with a high level of parents' satisfaction.
		                        		
		                        		
		                        		
		                        			*Analgesia, Patient-Controlled
		                        			;
		                        		
		                        			Child, Preschool
		                        			;
		                        		
		                        			Cleft Palate/*surgery
		                        			;
		                        		
		                        			Female
		                        			;
		                        		
		                        			Fentanyl/therapeutic use
		                        			;
		                        		
		                        			Humans
		                        			;
		                        		
		                        			Infant
		                        			;
		                        		
		                        			Male
		                        			;
		                        		
		                        			*Parents
		                        			
		                        		
		                        	
10.Effect of Macrolide on the MUC4 Gene Expression in Human Airway Epithelial Cells.
Hyun Jae WOO ; Seok Choon LEE ; Yun Seok CHOI ; Sung Won CHOI ; Min Han KIM ; Bo Sung JEON ; Si Youn SONG ; Yong Dae KIM ; Chang Hoon BAI
Korean Journal of Otolaryngology - Head and Neck Surgery 2007;50(9):784-788
		                        		
		                        			
		                        			BACKGROUND AND OBJECTIVES: Mucin gene expression and mucin secretion are highly increased by inflammatory airway diseases such as asthma, chronic bronchitis and rhinosinusitis. Macrolide antibiotics is considered one of the effective drugs inhibiting mucus secretion for chronic bronchitis and rhinosinusitis with nasal polyp. However, the anti-secretory effect of macrolide is not clear. This study was designed to investigate whether macrolide can suppress interleukin-1beta (IL-1beta)-induced MUC4 gene expression and mucin secretion in the cultured human nasal polyp epithelial cells and NCI-H292 epithelial cells. SUBJECTS AND METHOD: Nasal polyps were obtained from 20 patients with chronic rhinosinusitis with nasal polyp during endoscopic sinus surgery. We observed the effect of roxithromycin on the IL-1beta-induced MUC4 gene and mucin secretion by reverse transcriptase-polymerase chain reaction (RT-PCR) with enzyme-linked immunosorbent assay (ELISA) method. RESULTS: Roxithromycin attenuated the IL-1beta-induced MUC4 mRNA expression and mucin secretion with a dose dependent pattern in both of the cultured human nasal polyp epithelial cells and NCI-H292 epithelial cells. CONCLUSION: This result suggests that roxithromycin may be considered as an effective anti-hypersecretory agent for its down-regulation of the MUC4 gene.
		                        		
		                        		
		                        		
		                        			Anti-Bacterial Agents
		                        			;
		                        		
		                        			Asthma
		                        			;
		                        		
		                        			Bronchitis, Chronic
		                        			;
		                        		
		                        			Down-Regulation
		                        			;
		                        		
		                        			Enzyme-Linked Immunosorbent Assay
		                        			;
		                        		
		                        			Epithelial Cells*
		                        			;
		                        		
		                        			Gene Expression*
		                        			;
		                        		
		                        			Humans*
		                        			;
		                        		
		                        			Interleukin-1beta
		                        			;
		                        		
		                        			Mucins
		                        			;
		                        		
		                        			Mucus
		                        			;
		                        		
		                        			Nasal Polyps
		                        			;
		                        		
		                        			RNA, Messenger
		                        			;
		                        		
		                        			Roxithromycin
		                        			
		                        		
		                        	
            
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