1.Epidemiologic Study of Complications in Spinal Cord Injury Patients.
Chang Il PARK ; Ji Cheol SHIN ; Deog Young KIM ; Ji Woong PARK ; Woong Tae CHUNG ; Suk Hoon OHN ; Seon Hee IM
Journal of the Korean Academy of Rehabilitation Medicine 2000;24(6):1086-1095
OBJECTIVE: The patients with spinal cord injury (SCI) suffered by a lot of complications that influence the quality of life both physically and mentally. The purpose of this study was to evaluate the epidemiology of patients with spinal cord injury in incidence of the complication according to the injury level and period. METHOD: Retrospective study was done in 554 patients with SCI who discharged from Yonsei University Medical Center from January, 1987 to December, 1996. We investigated the incidence of each complication such as respiratory, cardiovascular, genitourinary, musculoskeletal, and dermatologic complications according to the neurologic level and each period (1987~1991, 1992~1996). RESULTS: Among the 554 cases, urologic complication (40.3%) was the most common complication followed by dermatologic (39.0%), musculoskeletal (33.6%), cardiovascular (27.1%) and so on. The most common complications of each system were autonomic dysreflexia (13.2%) in cardiovascular, pneumonia (9.6%) in respiratory, contracture (27.8%) in musculoskeletal, urinary tract infection (34.3%) in urologic, hemorrhoid in gastrointestinal, and central pain (24.0%) in neurogenic complications. The most common site of pressure sore was sacral area (58.9%). There was no significant difference in each complication according to the injury period. CONCLUSION: Urologic complication was the most prevalent in patients with SCI followed by dermatologic, musculoskeletal and so on. These basic results would be helpful for prevention and management of the complication of SCI.
Academic Medical Centers
;
Autonomic Dysreflexia
;
Contracture
;
Epidemiologic Studies*
;
Epidemiology
;
Hemorrhoids
;
Humans
;
Incidence
;
Pneumonia
;
Pressure Ulcer
;
Quality of Life
;
Retrospective Studies
;
Spinal Cord Injuries*
;
Spinal Cord*
;
Urinary Tract Infections
2.The Changes of Plantar Pressure and Pathway of Center of Pressure in Foot during the Gait in Normal Preschool Children with Age.
Ha Suk BAE ; Chang Il PARK ; Ji Cheol SHIN ; Ji Woong PARK
Journal of the Korean Academy of Rehabilitation Medicine 2001;25(6):1041-1047
OBJECTIVE: To find out the changes of the plantar pressure distribution of foot and the pathway of center of pressure (COP) in normal preschool children with age. METHOD: Thirty-eight normal children aged 1 to 6 were participated in this study. We divided into three groups according to the age. Foot contact area, pressure of the foot and pathway of COP were measured using F-scan in-shoe measuring system (Tekscan Inc.) during the gait. RESULTS: The ratio of midfoot contact width to forefoot contact width was decreased with age (p<0.05). And the relative pressure of the medial midfoot was decreased with age (p<0.05). In the analysis of COP, the ratio of anteroposterior length of COP to total contact length was significantly increased (p<0.05), and the ratio of mediolateral width of COP to forefoot contact width was tend to decrease. CONCLUSION: We can identify the characteristics and changes of the foot pressure distribution and the pathway of COP in preschool children with normal foot using F-scan system. These quantitative data of foot scan are useful for evaluating the foot pathology in preschool children during the gait.
Child
;
Child, Preschool*
;
Foot*
;
Gait*
;
Humans
;
Pathology
3.A Case of Intravitreal Bevacizumab Injection for the Treatment of Choroidal Neovascularization in Angioid Streaks.
Ji Woong LEE ; Jae Pil SHIN ; Si Yeol KIM
Korean Journal of Ophthalmology 2011;25(3):218-221
A 56-year-old Korean woman presented with decreased visual acuity of the right eye. She had a history of two photodynamic therapy treatments for choroidal neovascularization (CNV) due to angioid streaks in her left eye with central scarring and low visual acuity. She was diagnosed with subfoveal CNV due to angioid streaks in her right eye and treated with six intravitreal bevacizumab (1.25 mg / 0.05 mL) injections over one year. Best corrected visual acuity improved from 20 / 125 at baseline to 20 / 50 at the final visit. The area of CNV had changed into a fibrotic scar by the final visit, and fluorescein angiography and indocyanine green angiography revealed no evidence of leakage. Optical coherence tomography showed that central macular thickness decreased from 311 microm at baseline to 203 microm with complete resolution of subretinal and intraretinal fluid at the final visit. Intravitreal bevacizumab for CNV associated with angioid streaks prevented the progression of disease and resulted in the improvement of visual acuity after one year of follow-up in our patient.
Angiogenesis Inhibitors/*administration & dosage
;
Angioid Streaks/*complications
;
Antibodies, Monoclonal/*administration & dosage
;
Choroidal Neovascularization/*drug therapy/*etiology/physiopathology
;
Female
;
Follow-Up Studies
;
Humans
;
Intravitreal Injections
;
Macula Lutea/drug effects/pathology
;
Middle Aged
;
Tomography, Optical Coherence
;
Visual Acuity/drug effects
4.A Case of Nonarteritic Anterior Ischemic Optic Neuropathy Following Acute Angle-Closure Glaucoma.
Jong Hoon SHIN ; Ji Woong LEE ; Hee Young CHOI
Journal of the Korean Ophthalmological Society 2011;52(6):753-758
PURPOSE: Nonarteritic anterior ischemic optic neuropathy (NAION) is believed to result from inadequate blood supply to the posterior ciliary arteries. To date, NAION in a patient with acute angle-closure glaucoma (AACG) has been reported in only two studies in the English literature. Thus, the authors report a case of NAION following AACG in a Korean patient. CASE SUMMARY: A 59-year-old woman presented with a three-day history of acute ocular pain and decreased vision in her right eye; visual acuity was hand movement and the intraocular pressure (IOP) was 66 mm Hg in the right eye. Slit-lamp examination of the patient's right eye revealed diffuse corneal edema, shallow anterior chamber, and mid-dilated pupil. Gonioscopy revealed a grade 0 angle in the right eye, and a relative afferent pupillary defect was noted. Fundus photography showed disc hemorrhage and swelling of the optic disc. Fluorescein angiography demonstrated hyperfluorescence of the optic disc due to leakage. Visual evoked potential of the right eye at the initial visit showed a decreased amplitude of P100 compared with that of the left eye. A diagnosis of NAION following AACG was made. Laser iridotomy was successfully performed to the right eye. Two months later, IOP decreased from 66 to 21 mm Hg. However, visual acuity remained as hand movement and fundus examination revealed a pale optic disc. CONCLUSIONS: NAION following AACG may be attributed to an acute IOP rise with resultant perfusion pressure decrease in the vessels which supply the optic nerve. The result obtained from the patient in the present study indicates that evaluation for NAION should be considered in AACG cases.
Anterior Chamber
;
Ciliary Arteries
;
Corneal Edema
;
Evoked Potentials, Visual
;
Eye
;
Female
;
Fluorescein Angiography
;
Glaucoma, Angle-Closure
;
Gonioscopy
;
Hand
;
Hemorrhage
;
Humans
;
Intraocular Pressure
;
Middle Aged
;
Optic Nerve
;
Optic Neuropathy, Ischemic
;
Patient Rights
;
Perfusion
;
Photography
;
Pupil
;
Pupil Disorders
;
Vision, Ocular
;
Visual Acuity
5.Inhibition of K⁺ outward currents by linopirdine in the cochlear outer hair cells of circling mice within the first postnatal week.
Shin Wook KANG ; Ji Woong AHN ; Seung Cheol AHN
The Korean Journal of Physiology and Pharmacology 2017;21(2):251-257
Inhibition of K⁺ outward currents by linopirdine in the outer hair cells (OHCs) of circling mice (homozygous (cir/cir) mice), an animal model for human deafness (DFNB6 type), was investigated using a whole cell patch clamp technique. Littermate heterozygous (+/cir) and ICR mice of the same age (postnatal day (P) 0 –P6) were used as controls. Voltage steps from –100 mV to 40 mV elicited small inward currents (–100 mV~–70 mV) and slow rising K⁺ outward currents (–60 mV ~40 mV) which activated near –50 mV in all OHCs tested. Linopirdine, a known blocker of K⁺ currents activated at negative potentials (I(K,n)), did cause inhibition at varying degree (severe, moderate, mild) in K⁺ outward currents of heterozygous (+/cir) or homozygous (cir/cir) mice OHCs in the concentration range between 1 and 100 µM, while it was apparent only in one ICR mice OHC out of nine OHCs at 100 µM. Although the half inhibition concentrations in heterozygous (+/cir) or homozygous (cir/cir) mice OHCs were close to those reported in I(K,n), biophysical and pharmacological properties of K⁺ outward currents, such as the activation close to –50 mV, small inward currents evoked by hyperpolarizing steps and TEA sensitivity, were not in line with I(K,n) reported in other tissues. Our results show that the delayed rectifier type K⁺ outward currents, which are not similar to I(K,n) with respect to biophysical and pharmacological properties, are inhibited by linopirdine in the developing (P0~P6) homozygous (cir/cir) or heterozygous (+/cir) mice OHCs.
Animals
;
Deafness
;
Hair Cells, Auditory, Outer*
;
Humans
;
Mice*
;
Mice, Inbred ICR
;
Models, Animal
;
Tea
6.Health Status and Medical Utilization of Women in Rural Area.
Hyung Chul SHIN ; Ji Young KANG ; Woong Sub PARK ; Sang A KIM
Journal of Agricultural Medicine & Community Health 2009;34(1):67-75
OBJECTIVES: This study was conducted to examine health inequality for gender and region in Korea. Especially it focused on health status such as disease prevalence and medical utilization of rural women. METHODS: Data from the Korea national health and nutrition survey in 2001 were used. The final sample size was 37,108 individuals with age 20 and over. This study applied the logistic regression for nominal variables such as disease prevalence and unmet care needs and with the regression for continuos variables such as the length and costs of medical services. RESULTS: Rates of disease prevalence and unmet care needs for chronic disease in rural area are higher than those in middle cities and big cities, and regional differences of those for women are more than those for mens with controlling ages. There could be interaction effect with region and sex. CONCLUSIONS: This study suggests that health policy maker should take consider of special status of rural women who are in health inequality.
Chronic Disease
;
Female
;
Health Policy
;
Humans
;
Korea
;
Logistic Models
;
Male
;
Nutrition Surveys
;
Prevalence
;
Rural Health
;
Sample Size
;
Socioeconomic Factors
7.Short-term Outcomes and Prognostic Factors of iStent in the Republic of Korea
Su Hwan PARK ; Keun Heung PARK ; Ji Woong LEE ; Jonghoon SHIN
Journal of the Korean Ophthalmological Society 2020;61(4):385-393
Purpose:
To evaluate the intraocular pressure (IOP) reduction, success rate and prognostic factors after trabecular micro-bypassstent implantation in patients with open-angle glaucoma.
Methods:
We retrospectively reviewed 33 eyes of 33 patients with open-angle glaucoma who were followed-up for more than6 months after trabecular micro-bypass stent implantation. The success of surgery was defined as an IOP ≤ 21 mmHg and anIOP reduction ≥ 20% from baseline, regardless of whether glaucoma medication was used.
Results:
During the follow-up at 6 months after trabecular micro-bypass stent implantation, the IOP was significantly decreasedfrom 23.70 ± 6.26 mmHg before surgery to 18.03 ± 4.64 mmHg after 6 months, and the glaucoma medication was significantlydecreased from 3.73 ± 0.67 before surgery to 3.43 ± 0.67 after 6 months (p < 0.001 and p = 0.027, respectively). The successrate at 6 months was 33.7 ± 5.5% in patients with only trabecular micro-bypass stent implantation. Using multiple regressionanalyses of the risk factors, age was associated with success rate (odds ratio, 1.076; 95% confidence interval, 0.996-1.164;p = 0.045).
Conclusions
In patients in the Republic of Korea, trabecular micro-bypass stent implantation was an effective surgery for IOPreduction, and showed a better surgical success rate in younger patients.
8.Neuroendocrine Tumors in the Stomach, Duodenum, and Pancreas Accompanied by Novel MEN1 Gene Mutation.
Min A YANG ; Woong Ki LEE ; Hong Shik SHIN ; Sung Hyun PARK ; Byung Sun KIM ; Ji Woong KIM ; Jin Woong CHO ; So Hee YUN
The Korean Journal of Gastroenterology 2017;69(3):181-186
Multiple endocrine neoplasia type 1 (MEN1) syndrome is a relatively rare disease, characterized by the occurrence of multiple endocrine tumors in the parathyroid and pituitary glands as well as the pancreas. Here, we report a case of MEN1 with neuroendocrine tumors (NETs) in the stomach, duodenum, and pancreas. A 53-year-old man visited our hospital to manage gastric NET. Five years prior to his visit, he had undergone surgery for incidental meningioma. His brother had pancreatic nodules and a history of surgery for adrenal adenoma. His brother's daughter also had pancreatic nodules, but had not undergone surgery. The lesion was treated by endoscopic submucosal dissection and diagnosed as a grade 1 NET. Another small NET was detected in the second duodenal portion, resected by endoscopic submucosal dissection, which was also diagnosed as a grade 1 NET. During evaluation, three nodules were detected in the pancreas, and no evidence of pituitary, parathyroid tumors, or metastasis was observed. After surgery, the pancreatic lesions were diagnosed as NETs, with the same immunohistochemical patterns as those of the stomach and duodenum. Genetic testing was performed, and a heterozygous mutation was detected in the MEN1 gene, which is located on 11q13.
Adenoma
;
Duodenum*
;
Endoscopy
;
Genetic Testing
;
Germ-Line Mutation
;
Humans
;
INDEL Mutation
;
Meningioma
;
Middle Aged
;
Multiple Endocrine Neoplasia Type 1*
;
Neoplasm Metastasis
;
Neuroendocrine Tumors*
;
Nuclear Family
;
Pancreas*
;
Pituitary Gland
;
Rare Diseases
;
Siblings
;
Stomach*
9.Cerebrospinal Fluid Profiles and Their Changes after Intraventricular Chemotherapy as Prognostic or Predictive Markers for Patients with Leptomeningeal Carcinomatosis
Ji-Woong KWON ; Youngbo SHIM ; Ho-Shin GWAK ; Eun Young PARK ; Jungnam JOO ; Heon YOO ; Sang-Hoon SHIN
Journal of Korean Neurosurgical Society 2021;64(4):631-643
Objective:
: Here, we evaluated whether cerebrospinal fluid (CSF) profiles and their changes after intraventricular chemotherapy for leptomeningeal carcinomatosis (LMC) could predict the treatment response or be prognostic for patient overall survival (OS) along with clinical factors.
Methods:
: Paired 1) pretreatment lumbar, 2) pretreatment ventricular, and 3) posttreatment ventricular samples and their CSF profiles were collected retrospectively from 148 LMC patients who received Ommaya reservoir installation and intraventricular chemotherapy. CSF profile changes were assessed by calculating the differences between posttreatment and pretreatment samples from the same ventricular compartment. CSF cell counts were further differentiated into total and other based on clinical laboratory reports.
Results:
: For the treatment response, a decreased CSF ‘total’ cell count tended to be associated with a ‘controlled’ increase in intracranial pressure (ICP) (p=0.059), but other profile changes were not associated with either the control of increased ICP or the cytology response. Among the pretreatment CSF profiles, lumbar protein level and ventricular cell count were significantly correlated with OS in univariable analysis, but they were not significant in multi-variable analysis. Among CSF profile changes, a decrease in ‘other’ cell count showed worse OS than ‘no change’ or increased groups (p=0.001). The cytological response was significant for OS, but the hazard ratio of partial remission was paradoxically higher than that of ‘no response’.
Conclusion
: A decrease in other cell count of CSF after intraventricular chemotherapy was associated with poor OS in LMC patients. We suggest that more specific CSF biomarkers of cancer cell origin are needed.
10.Leptomeningeal Metastasis in Gliomas : Clinical Characteristics and Risk Factors
Jeyul YANG ; Ji-Woong KWON ; Sang Hoon SHIN ; Heon YOO ; Kyu-Chang WANG ; Sang Heyon LEE ; Ho-Shin GWAK
Journal of Korean Neurosurgical Society 2023;66(4):465-475
Objective:
: Our objective is to analyze the occurrence, clinical course and risk factors for glioma patients with leptomeningeal metastasis (LM) according to different metastasis patterns and clinical variables.
Methods:
: We retrospectively reviewed data from 376 World Health Organization (WHO) grade II–IV adult glioma patients who were treated in the National Cancer Center from 2001 to 2020. Patients who underwent surgery at other institutions, those without initial images or those with pathologically unconfirmed cases were excluded. LM was diagnosed based on magnetic resonance imaging (MRI) findings or cerebrospinal fluid (CSF) cytology. The metastasis pattern was categorized as nodular or linear according to the enhancement pattern. Tumor proximity to the CSF space was classified as involved or separated, whereas location of the tumor was dichotomized as midline, for tumors residing in the thalamus, basal ganglia and brainstem, or lateral, for tumors residing in the cerebral and cerebellar hemispheres.
Results:
: A total of 138 patients were enrolled in the study. A total of 44 patients (38%) were diagnosed with LM during a median follow-up of 9 months (range, 0–60). Among the clinical variables, tumor proximity to CSF space, the location of the tumor and the WHO grade were significant factors for LM development in univariate analysis. In multivariate analysis, the midline location of the tumor and WHO grade IV gliomas were the most significant factor for LM development. The hazard ratio was 2.624 for midline located gliomas (95% confidence interval [CI], 1.384–4.974; p=0.003) and 3.008 for WHO grade IV gliomas (95% CI, 1.379–6.561; p=0.006).
Conclusion
: Midline location and histological grading are an important factor for LM in glioma patients. The proximity to the CSF circulation pathway is also an important factor for WHO grade IV glioma LM. Patients carrying high risks should be followed up more thoroughly.