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1.
Korean Journal of Clinical Pharmacy ; : 35-42, 2023.
Article in English | WPRIM | ID: wpr-1002117

ABSTRACT

Objective@#There is a growing interest in the safe use of medications in pregnant and breastfeeding women. Therefore, the purpose of this study is to find ways to improve education about safe medication use by investigating the status of medication use of pregnant and breastfeeding women, and by evaluating their knowledge, attitudes, and practices toward safe medication use. @*Methods@#In this study, a self-report questionnaire was conducted on pregnant or breastfeeding women in Seoul and Gyeonggi Province. The questionnaire consisted of the following four sections; 1) sociodemographic characteristics of participants, 2) experience of medication use, 3) experience of being educated on safe medication use, and 4) knowledge, attitudes, and practices about medication use during pregnancy/breastfeeding. @*Results@#A total of 203 participants were included in the analysis. Of these, 38.4% reported to take prescription medications during pregnancy and breastfeeding. Regarding education on safe medication use, nearly 90% of the participants answered that they were not educated or were unsure whether they had it. In the knowledge-attitude-practice evaluation on safe medication use, the knowledge level was the highest (mean, 4.45), followed by the attitude level (mean, 3.58) and the practice level (mean, 3.33). The preferred education method of the participants was online education using a computer or mobile phone application, etc. @*Conclusions@#This study suggests that there is a need for systematic and effective education that can link knowledge of safe medication use with attitudes and practices in pregnant and breastfeeding women.

2.
Journal of Korean Medical Science ; : e48-2023.
Article in English | WPRIM | ID: wpr-967418

ABSTRACT

Background@#Although, being underweight is commonly associated with osteoporosis and sarcopenia, its association with vertebral fractures (VFs), is less well researched. We investigated the influence of cumulative, chronic periods of low weight and changes in body weight on VF development. @*Methods@#We used a nationwide, population-based database with data on people (> 40 years) who attended three health screenings between January 1, 2007, and December 31, 2009 to assess the incidence of new VFs. Cox proportional hazard analyses were used to establish the hazard ratios (HRs) for new VFs based on the degree of body mass index (BMI), the cumulative numbers of underweight participants, and temporal change in weight. @*Results@#Of the 561,779 individuals in this analysis, 5,354 (1.0%) people were diagnosed three times, 3,672 (0.7%) were diagnosed twice, and 6,929 (1.2%) were diagnosed once. The fully adjusted HR for VFs in underweight individuals was 1.213. Underweight individuals diagnosed only once, twice, or three times had an adjusted HR of 0.904, 1.443, and 1.256, respectively. Although the adjusted HR was higher in adults who were consistently underweight, there was no difference in those who experienced a temporal change in body weight. BMI, age, sex, and household income were significantly associated with VF incidence. @*Conclusion@#Low weight is a risk factor for VFs in the general population. Given the significant correlation between cumulative periods of low weight and the risk of VFs, it is necessary to treat underweight patients before a VF to prevent its development and other osteoporotic fractures.

3.
Asian Spine Journal ; : 639-646, 2023.
Article in English | WPRIM | ID: wpr-999619

ABSTRACT

Methods@#Computed tomographic scans of a total of 50 male and 50 female patients were utilized. The placement of C7 laminar screws was activated employing the new and old trajectories. The success rate, the causes of failure, and the maximum allowable length of each trajectory were compared. @*Results@#Employing the new trajectory, the success rates of the unilaminar and bilaminar screws were 93% and 83%, respectively, which were significantly better than the old trajectory (80%, p<0.0001 and 70%, p=0.0003). The most prevalent cause of failure was laminar cortical breach followed by facet joint violation. The new trajectory also offered significantly longer maximum allowable screw length in unilaminar (32.5±4.3 mm vs. 26.5±2.6 mm, p<0.001), bilaminar cephalic (29.5±3.8 mm vs. 25.9±2.6 mm, p<0.0001) and bilaminar caudal (33.1±2.6 mm vs. 25.8±3.1 mm, p<0.001) screws than the old trajectory. With the new and old trajectories, 70% vs. 6% of unilaminar, 60% vs. 2% of bilaminar caudal, and 32% vs. 4% of bilaminar cephalic screws could be protracted perfectly into the corresponding lateral mass without any laminar cortical or facet joint violation (p<0.0001). @*Conclusions@#The novel trajectory possesses a substantially higher success rate, longer maximum allowable screw length, and higher chance to be extended into the lateral mass (a condition known as a lamino-lateral mass screw) than the old trajectory.

4.
The Korean Journal of Internal Medicine ; : 444-454, 2022.
Article in English | WPRIM | ID: wpr-926989

ABSTRACT

Background/Aims@#Recent advances in the understanding of the pathophysiology of myeloproliferative neoplasms (MPN) were not paralleled with advances in treatment options; thus many questions regarding optimal MPN management remain unanswered. Here, we report the results of descriptive survey study of Korean MPN patients and their attending physicians. @*Methods@#A total of 105 Korean patients (myelofibrosis [MF], 39; polycythemia vera [PV], 25; essential thrombocythemia [ET], 41) and 30 physicians completed the Landmark Health Survey, then data from the survey were analyzed. @*Results@#Among the MPN-Symptom Assessment Form symptoms, the most severe symptom reported was ‘fatigue or tiredness’ in MF and ET patients and ‘itching’ in PV patients. The majority of the patients agreed that MPN reduced their quality of life (QoL). Interestingly, physicians gave higher scores regarding the impact of MPN on patient’s daily and social life compared to patients themselves. For patients, the most important treatment goal was symptom improvement regardless of MPN subtype, while for physicians the highest priority for treatment was better QoL regardless of MPN subtype. Generally, both patients and physicians were satisfied with the overall treatment/management of MPN and communications. However, many patients felt there was not enough time during the appointment for discussion, while many physicians felt they lacked effective drugs to offer to their patients. @*Conclusions@#Our study suggests there are room for better-standardized monitoring of symptoms and treatment options and those continuous efforts to bridge the gap between patients and physicians are necessary for better care of MPN patients.

5.
Journal of Breast Cancer ; : 25-36, 2022.
Article in English | WPRIM | ID: wpr-925173

ABSTRACT

Purpose@#To evaluate the axillary recurrence rate and usefulness of axillary ultrasound (AUS) during supplementary whole-breast ultrasound (US) screening in women with a personal history of breast cancer (PHBC). @*Methods@#A retrospective database search identified consecutive asymptomatic women who underwent postoperative supplemental whole-breast US screening, including that of the bilateral axillae, after negative findings on mammography between January and June 2017. Using the pathologic data or at least 1-year follow-up data as reference standards, the axillary recurrence rate, cancer detection rate (CDR), interval axillary recurrence rate per 1,000 screenings, sensitivity, specificity, and abnormal interpretation rate (AIR) were estimated. @*Results@#From the data of 4,430 women (mean age, 55.0 ± 10.1 years) analyzed in this study, there were five axillary recurrence cases (1.1/1,000) in the median follow-up period of 57.2 months. AUS showed a CDR of 0.2 (1/4,430; 95% confidence interval [CI], 0.01–1.3) and an interval axillary recurrence rate of 0.9 (4/4,402; 95% CI, 0.2–2.3) per 1,000 examinations. The sensitivity and specificity were 20.0% (1/5; 95% CI, 0.5–71.6), and 99.4% (4,398/4,425; 95% CI, 99.1–99.6), respectively, while the AIR was 0.6% (28/4,430; 95% CI, 0.4–0.9%). @*Conclusion@#In asymptomatic women with a PHBC and negative findings on mammography, axillary recurrence after breast cancer and axillary treatment was uncommon, and the supplemental AUS screening yielded 0.2 cancers per 1,000 examinations.

6.
Health Policy and Management ; : 437-450, 2021.
Article in English | WPRIM | ID: wpr-914445

ABSTRACT

Background@#With the development of the information technology industry and the increasing importance of health information, there is a need to analyze the current certification system for health information management education. This study compared and analyzed the health information management education accreditation system between the Republic of Korea and the United States. @*Methods@#Descriptive analysis and quantitative methodologies were used to compare the education accreditation system and understand the current status of health information management curriculum run by universities in the Republic of Korea and the United States. @*Results@#Regardless of the academic year, the Republic of Korea had one certification system based on subject-based criteria. However, the United States had a certification system for associate, baccalaureate, and master’s degree programs with competency-based criteria. The accreditation system was different in terms of the way the curriculum is certified and the options for the different levels of university degree programs. @*Conclusion@#Accordingly, it is necessary to consider improving the quality of health information management personnel at different levels by improving the current accreditation system and differentiating the curriculum according to the degree program levels in the Republic of Korea.

7.
Endocrinology and Metabolism ; : 1151-1160, 2021.
Article in English | WPRIM | ID: wpr-914240

ABSTRACT

The liver is a vital organ that regulates systemic energy metabolism and many physiological functions. Nonalcoholic fatty liver disease (NAFLD) is the commonest cause of chronic liver disease and end-stage liver failure. NAFLD is primarily caused by metabolic disruption of lipid and glucose homeostasis. Serotonin (5-hydroxytryptamine [5-HT]) is a biogenic amine with several functions in both the central and peripheral systems. 5-HT functions as a neurotransmitter in the brain and a hormone in peripheral tissues to regulate systemic energy homeostasis. Several recent studies have proposed various roles of 5-HT in hepatic metabolism and inflammation using tissue-specific knockout mice and 5-HT-receptor agonists/antagonists. This review compiles the most recent research on the relationship between 5-HT and hepatic metabolism, and the role of 5-HT signaling as a potential therapeutic target in NAFLD.

8.
Journal of Korean Physical Therapy ; (6): 307-311, 2020.
Article in English | WPRIM | ID: wpr-900211

ABSTRACT

Purpose@#This study examined the effects of changes in the intensity of Functional Electrical Stimulation (FES) on CorticoMuscular Coherence (CMC) during action observation. This paper presents a neurophysiological basis for the effective intensity of FES. @*Methods@#Twenty-seven healthy volunteers were asked to observed a video with FES. The FES was provided with a sensory stimulation level, nerve stimulation level, and motor stimulation level. Simultaneously, an electroencephalogram (EEG) of the sensorimotor cortex and electromyogram (EMG) from the wrist extensor muscle were recorded. The peak CMC and average CMC were analyzed to compare the differences caused by the FES intensity. @*Results@#The peak CMC showed a significant increase in the alpha band during motor stimulation (p<0.05). The average CMC showed a significant increase in the beta band during motor stimulation (p<0.05). @*Conclusion@#The intensity of FES, which causes actual movement, increased the CMC during action observation. These results show that the intensity of the FES can affect the functional connection between the sensorimotor cortex and muscle.

9.
Journal of Korean Physical Therapy ; (6): 312-318, 2020.
Article in English | WPRIM | ID: wpr-900206

ABSTRACT

Purpose@#This study aimed to investigate the evidence that therapeutic horseback riding can improve balance, muscle, ADL, equivalenc, GMFM, gait, emotion with developmental disabilities and neural patients. @*Methods@#To conduct meta-analysis, the search focused on studies that employed therapeutic horseback riding for developmental disabilities and neural patients for which eight databases (KIS, RISS, DBpia, National Assembly Library, Pubmed, Embase, Google scholar and Cochrane Library) were used to extract literature published from 2002 to September 2019. The data were analyzed the RevMan 3.5.3 program. @*Results@#As a result of meta-analysis, therapeutic horseback riding total effect size is 0.552 for children with developmental disabilities and neural patients. And effect size result of according to assessment type variable first, balance effect size is 0.594. Second, muscle activities effect size is 0.425. Third, ADL effect size is 0.430. Fourth, equivalance effect size is 0.640. Fifth, GMFM effect size is 0.482. Sixth, gait effect size is 0.400 and seventh emotion effect size is 0.876. @*Conclusion@#These findings is horseback riding is effective The effect size by outcome was observed to be the effective for children with developmental disabilities and neural patients. and also the horseback riding provided the positive effects of balance, muscle activities, ADL, equivalance, GMFM, gait, emotion for children with developmental disabilities and neural patients. It is hoped that this study will contribute to the development of effective treatments for children with developmental disabilities and neural patients therapeutic horseback riding and the development of study.

10.
Journal of Korean Physical Therapy ; (6): 58-63, 2020.
Article in English | WPRIM | ID: wpr-900190

ABSTRACT

Purpose@#This study examined the effects of the right or left knee lift during push up plus in the quadruped position on the serratus anterior (SA) muscle activity. @*Methods@#Twenty-one subjects (male 11, female 10) performed the quadruped position on push up plus. The muscle activities of the lower trapezius (LT), SA, and upper trapezius (UT) were measured by surface electromyography. Repeated measurements of one-way ANOVA were performed for statistical analysis of the data, and the criterion for statistical significance was set to p<0.05 and comparative analysis of the UT and SA ratio using a Paired t-test. @*Results@#The right SA increased the muscle activity of the right knee lift during quadruped position push up plus (p<0.05). In particular, the right SA muscle activity was higher than the left. In addition, comparative analysis of the UT and SA ratio to the right knee lift during quadruped position push up plus was performed (p<0.05). The right was found to be a significant statistic compared to the left, but the left SA increased the muscle activity of the left knee lift during quadruped position push up plus (p<0.05). The left SA muscle activity was higher than right. In addition, comparative analysis of UT and SA ratio to the left knee lift during quadruped position push up plus was performed (p<0.05). The left was found to be a significance statistic than the right. In addition, the interaction effect between the groups showed significant differences (p<0.05). @*Conclusion@#Knee lift during push up plus is recommended for the selective activation of a research exercise protocol of one side of the serratus anterior.

11.
Journal of Korean Physical Therapy ; (6): 365-371, 2020.
Article in English | WPRIM | ID: wpr-900178

ABSTRACT

Objective@#To investigate the action observation effects of functional electrical stimulation (FES) on the communication between motor cortex and muscle through corticomuscular coherence (CMC) analysis. @*Methods@#Electroencephalogram (EEG) and electromyogram (EMG) of 27 healthy, nonathlete subjects were measured during action observation, FES, and action observation with FES, which lasted for 7sper session for 10 times. All trials were repeated for 30 times. Simultaneously measured EEG raw data and rectified EMG signals were used to calculate CMC. Only confidence limit values above 0.0306 were used for analysis. CMC was divided into three frequency domains, andthe grand average coherence and peak coherence were computed. Repeated ANOVA was performed to analyze the coherence value difference for each condition’s frequency band. @*Results@#CMC showed significant differences in peak coherence and average coherence between the conditions (p<0.05). Action observation application with FES in all frequency band showed the highest peak and average coherence value. @*Conclusions@#The results of this study are assumed to be the combination of increased eccentric information transfer from the sensory-motor cortex by action observation and an increased in concentric sensory input from the peripheral by the FES, suggesting that these are reflecting the sensorimotor integration process.

12.
Journal of Korean Physical Therapy ; (6): 307-311, 2020.
Article in English | WPRIM | ID: wpr-892507

ABSTRACT

Purpose@#This study examined the effects of changes in the intensity of Functional Electrical Stimulation (FES) on CorticoMuscular Coherence (CMC) during action observation. This paper presents a neurophysiological basis for the effective intensity of FES. @*Methods@#Twenty-seven healthy volunteers were asked to observed a video with FES. The FES was provided with a sensory stimulation level, nerve stimulation level, and motor stimulation level. Simultaneously, an electroencephalogram (EEG) of the sensorimotor cortex and electromyogram (EMG) from the wrist extensor muscle were recorded. The peak CMC and average CMC were analyzed to compare the differences caused by the FES intensity. @*Results@#The peak CMC showed a significant increase in the alpha band during motor stimulation (p<0.05). The average CMC showed a significant increase in the beta band during motor stimulation (p<0.05). @*Conclusion@#The intensity of FES, which causes actual movement, increased the CMC during action observation. These results show that the intensity of the FES can affect the functional connection between the sensorimotor cortex and muscle.

13.
Journal of Korean Physical Therapy ; (6): 312-318, 2020.
Article in English | WPRIM | ID: wpr-892502

ABSTRACT

Purpose@#This study aimed to investigate the evidence that therapeutic horseback riding can improve balance, muscle, ADL, equivalenc, GMFM, gait, emotion with developmental disabilities and neural patients. @*Methods@#To conduct meta-analysis, the search focused on studies that employed therapeutic horseback riding for developmental disabilities and neural patients for which eight databases (KIS, RISS, DBpia, National Assembly Library, Pubmed, Embase, Google scholar and Cochrane Library) were used to extract literature published from 2002 to September 2019. The data were analyzed the RevMan 3.5.3 program. @*Results@#As a result of meta-analysis, therapeutic horseback riding total effect size is 0.552 for children with developmental disabilities and neural patients. And effect size result of according to assessment type variable first, balance effect size is 0.594. Second, muscle activities effect size is 0.425. Third, ADL effect size is 0.430. Fourth, equivalance effect size is 0.640. Fifth, GMFM effect size is 0.482. Sixth, gait effect size is 0.400 and seventh emotion effect size is 0.876. @*Conclusion@#These findings is horseback riding is effective The effect size by outcome was observed to be the effective for children with developmental disabilities and neural patients. and also the horseback riding provided the positive effects of balance, muscle activities, ADL, equivalance, GMFM, gait, emotion for children with developmental disabilities and neural patients. It is hoped that this study will contribute to the development of effective treatments for children with developmental disabilities and neural patients therapeutic horseback riding and the development of study.

14.
Journal of Korean Physical Therapy ; (6): 58-63, 2020.
Article in English | WPRIM | ID: wpr-892486

ABSTRACT

Purpose@#This study examined the effects of the right or left knee lift during push up plus in the quadruped position on the serratus anterior (SA) muscle activity. @*Methods@#Twenty-one subjects (male 11, female 10) performed the quadruped position on push up plus. The muscle activities of the lower trapezius (LT), SA, and upper trapezius (UT) were measured by surface electromyography. Repeated measurements of one-way ANOVA were performed for statistical analysis of the data, and the criterion for statistical significance was set to p<0.05 and comparative analysis of the UT and SA ratio using a Paired t-test. @*Results@#The right SA increased the muscle activity of the right knee lift during quadruped position push up plus (p<0.05). In particular, the right SA muscle activity was higher than the left. In addition, comparative analysis of the UT and SA ratio to the right knee lift during quadruped position push up plus was performed (p<0.05). The right was found to be a significant statistic compared to the left, but the left SA increased the muscle activity of the left knee lift during quadruped position push up plus (p<0.05). The left SA muscle activity was higher than right. In addition, comparative analysis of UT and SA ratio to the left knee lift during quadruped position push up plus was performed (p<0.05). The left was found to be a significance statistic than the right. In addition, the interaction effect between the groups showed significant differences (p<0.05). @*Conclusion@#Knee lift during push up plus is recommended for the selective activation of a research exercise protocol of one side of the serratus anterior.

15.
Journal of Korean Physical Therapy ; (6): 365-371, 2020.
Article in English | WPRIM | ID: wpr-892474

ABSTRACT

Objective@#To investigate the action observation effects of functional electrical stimulation (FES) on the communication between motor cortex and muscle through corticomuscular coherence (CMC) analysis. @*Methods@#Electroencephalogram (EEG) and electromyogram (EMG) of 27 healthy, nonathlete subjects were measured during action observation, FES, and action observation with FES, which lasted for 7sper session for 10 times. All trials were repeated for 30 times. Simultaneously measured EEG raw data and rectified EMG signals were used to calculate CMC. Only confidence limit values above 0.0306 were used for analysis. CMC was divided into three frequency domains, andthe grand average coherence and peak coherence were computed. Repeated ANOVA was performed to analyze the coherence value difference for each condition’s frequency band. @*Results@#CMC showed significant differences in peak coherence and average coherence between the conditions (p<0.05). Action observation application with FES in all frequency band showed the highest peak and average coherence value. @*Conclusions@#The results of this study are assumed to be the combination of increased eccentric information transfer from the sensory-motor cortex by action observation and an increased in concentric sensory input from the peripheral by the FES, suggesting that these are reflecting the sensorimotor integration process.

16.
Asian Spine Journal ; : 694-701, 2020.
Article | WPRIM | ID: wpr-830898

ABSTRACT

Over the past few decades, interest in minimally invasive spine surgery (MISS) has increased tremendously due to its core principle of minimizing approach-related injury while providing outcomes similar to traditional open spine procedures. With technical and technological advancements, MISS has expanded its utility not only to simple spinal stenosis, but also to complex spinal pathologies such as metastasis, trauma, or adult spinal deformity. In this article, we review the techniques and technology in MISS and discuss the indications, benefits, and limitations of MISS.

17.
Journal of Breast Disease ; (2): 44-51, 2019.
Article in English | WPRIM | ID: wpr-937773

ABSTRACT

PURPOSE@#For early detection of breast cancer, tests with high sensitivity and specificity are needed. Metabolomics, the study of chemical processes involving metabolites, can be used to identify diagnostic biomarkers for a variety of types of cancers. In this study we identified biomarkers of breast cancer by profiling urinary metabolites.@*METHODS@#We performed metabolite profiling of 30 urine samples from 14 patients with breast cancer and 16 healthy controls by liquid chromatography–mass spectrometry. An orthogonal partial least squares-discriminant analysis (OPLS-DA), Student's t-test, and receiver operating characteristic (ROC) analysis were performed to identify metabolites that were potential diagnostic biomarkers for breast cancer.@*RESULTS@#The OPLS-DA showed clear separation between the two groups. Of the 95 metabolites detected, 24 potential biomarkers were identified by Student's t-test. A ROC analysis showed that concentrations of N-(2-furoyl) glycine, histidine, and D-tagarose were significantly higher (area under the ROC curve [AUC] >0.7) and those of trigonellinamide, L-galacto-2-heptulose, creatinine, and xanthine were significantly lower (AUC ≥0.8) in the patients with breast cancer than in the healthy controls.@*CONCLUSION@#Measurement of the concentrations of urinary metabolites can be used to screen for early breast cancer. We plan to explore diagnostic biomarkers of breast cancer in blood and urine further in a larger study.

18.
Hanyang Medical Reviews ; : 3-15, 2018.
Article in English | WPRIM | ID: wpr-713735

ABSTRACT

Ever since mankind has had blood, efforts to stop bleeding have never ceased and so numerous methods for hemostasis have been developed. In recent decades, minimally invasive surgical techniques have led patients to less-bleeding surgery but, hemostatic agents, devices and techniques still play an important role in medical side. A number of hemostatic agents and devices have been developed and they can be classified by their mechanism of action. That classification of the coagulants includes mechanisms with physical, caustic, bio-physical, biologic actions. Hemostatic devices are divided into categories such as dressings, glue, clips, electrocoagulations and so on. Based on the concept of minimally invasive surgical procedures, variously developed surgical techniques are divided by the number of ports used and auxiliary instruments. However, there are advantages and disadvantages to each of the hemostatic agents and minimally invasive methods, and the belief in the classical method also prevents the application of new hemostatic methods. The knowledge and understanding of the benefits and costs of these newly developed hemostatic methods will make it easier for medical personnel to manage patient's blood.


Subject(s)
Humans , Adhesives , Bandages , Bloodless Medical and Surgical Procedures , Classification , Coagulants , Cost-Benefit Analysis , Electrocoagulation , Hemorrhage , Hemostasis , Methods , Minimally Invasive Surgical Procedures
19.
Yonsei Medical Journal ; : 317-324, 2018.
Article in English | WPRIM | ID: wpr-713192

ABSTRACT

PURPOSE: To assess the association between frailty and osteoporotic vertebral compression fracture (OVCF) and to evaluate the relationship between numbers of OVCFs and frailty. MATERIALS AND METHODS: We enrolled 760 subjects, including 59 patients (with OVCF) and 701 controls (without OVCF). Successful matching provided 56 patient-control pairs. We analyzed principal clinical and demographic information, which included sex, age, height, weight, body mass index (BMI), variable frailty phenotypes, and Oswestry Disability Index (ODI) and EuroQol 5-dimension questionnaire (EQ-5D) scores. The association between frailty and OVCF was ascertained. In addition, the degrees of disability and quality of life attributable to frailty were determined. RESULTS: The prevalence of frailty was significantly higher in the OVCF group than in the control group (p < 0.001). Most of the frailty phenotypes, such as exhaustion, physical inactivity, slowness, and handgrip strength, were also significantly observed in the OVCF group. Within the OVCF group, the participants with frailty had significantly higher disability and lower quality of life than those in a robust state (p < 0.001 for ODI and EQ-5D). In addition, the multivariate logistic regression analysis demonstrated that the patients with low BMI [odds ratio (OR)=0.704; 95% confidence interval (CI), 0.543–0.913] and ≥3 fractures (OR=9.213; 95% CI, 1.529–55.501) within the OVCF group were associated with higher odds of frailty. CONCLUSION: The present study showed significant relationships between frailty and OVCF, severity of symptoms, and disability induced by OVCF. Furthermore, frailty could be a causal and/or resulting factor of OVCFs.


Subject(s)
Aged , Aged, 80 and over , Female , Humans , Male , Middle Aged , Case-Control Studies , Fractures, Compression/complications , Frailty/complications , Osteoporotic Fractures/complications , Prevalence , Propensity Score , Quality of Life , Spinal Fractures/complications , Treatment Outcome
20.
Journal of the Korean Child Neurology Society ; (4): 170-178, 2012.
Article in Korean | WPRIM | ID: wpr-24590

ABSTRACT

PURPOSE: Proliferation, differentiation, and survival of hippocampal dentate granule cells have been reported to be influenced by epileptic seizures in rodent epilepsy models. However, most studies have been done in adult rat models. This study was designed to investigate hippocampal dentate granule cell neurogenesis after pilocarpine-induced seizures in young mice. METHODS: Fifteen male ICR mice at postnatal day 21 were divided into pilocarpine-treated (n=7) and control (n=8) groups. Seizures were chemically induced by intraperitoneal injection of pilocarpine (300 mg/kg). Bromodeoxyuridine (BrdU, 50 mg/kg) was subsequently administered once a day for 6 consecutive days, starting at 24 hours after pilocarpine or saline treatment. We then examined BrdU-positive cells in the hippocampal dentate gyrus by immunohistochemistry and by double-labeled immunofluorescence with confocal microscopy. RESULTS: After pilocarpine administration, every seizure behavior was grade 3 or more. Quantitative analysis revealed that BrdU-positive cells were significantly increased in the pilocarpine-treated group compared to control (230.5+/-59.5 vs. 148.6+/-40.0, P<0.001). The majority of these mitotic cells were differentiated into neurons. CONCLUSION: Our results indicated that mitotic activity in the hippocampal dentate gyrus was enhanced after pilocarpine-induced seizures in young mice, and the majority of BrdU-positive cells showed the phenotypic differentiation to neuronal cells.


Subject(s)
Adult , Animals , Humans , Male , Mice , Rats , Bromodeoxyuridine , Dentate Gyrus , Epilepsy , Fluorescent Antibody Technique , Immunohistochemistry , Injections, Intraperitoneal , Mice, Inbred ICR , Neurogenesis , Neurons , Pilocarpine , Rodentia , Seizures
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