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Background@#and Purpose There have been few reports on recent trends in the occurrence of epilepsy. The aim of this study was to estimate the incidence and prevalence of epilepsy and analyze their annual trends in Korea over the period 2009–2017. @*Methods@#This nationwide population-based study was carried out using the National Health Insurance Service of Korea database. A prevalent case was defined as one of a patient receiving a prescription of anticonvulsants under the diagnostic codes for epilepsy or seizure. An incident case was ascertained by confirming the absence of any epilepsy-related diagnostic codes and anticonvulsant prescription for 2 years or more before the operational definition for a prevalent case was met. Alternative operational definitions for epilepsy were tested. The temporal trends of the incidence and prevalence of epilepsy were analyzed using a Poisson regression model, and are expressed as average annual percentage changes (AAPCs). @*Results@#The incidence of epilepsy increased from 28.7/100,000 persons in 2009 to 35.4/100,000 persons in 2017. The prevalence increased gradually from 3.4/1,000 persons in 2009 to 4.8/1,000 persons in 2017. These increasing trends were more evident among elderly subjects aged ≥75 years and in those who had codes for epilepsy or seizure as an additional diagnosis. Age standardization revealed a less prominent but still increasing trend in both incidence (AAPC=0.48%) and prevalence (AAPC=3.11%). @*Conclusions@#There have been increasing trends in both the prevalence and incidence of epilepsy in Korea between 2009 and 2017. This finding appears to be related to societal aging and the high incidence of symptomatic epilepsy in the elderly population.
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Objectives@#Obstructive sleep apnea (OSA) is a common clinical disease which has been associated with cardiovascular disease and sudden death. Positive airway pressure (PAP) is the most effective treatment for OSA; however, most patients experience difficulties in tolerating machines, masks, or economic burdens. In Korea, National Health Insurance (NHI) application for PAP started in July 2018. Therefore, this study aimed to evaluate the PAP adherence and factors contributing to good adherence after NHI coverage in Korea. @*Methods@#A retrospective study was performed to examine 89 patients with OSA who were treated with PAP in 2019. All medical records were analyzed to obtain demographic and clinical data, including personal history, polysomnographic data, and PAP results. @*Results@#A total of 66 participants were included, of which 56 (84.8%) were maintained on PAP therapy after 3 months, and 32 of 42 (76.1%) were maintained on PAP therapy after 6 months; prolonged rapid eye movement (REM) sleep latency, increased nonREM (NREM) apnea-hypopnea index (AHI), and supine AHI significantly contributed to good PAP adherence for 3 months. At 6 months, prolonged REM sleep latency, increased NREM AHI, supine AHI, and increased arousal index significantly contributed to good PAP adherence. However, comorbid hypertension contributed to poor PAP compliance. @*Conclusions@#PAP adherence in patients with OSA was 84.8% after 3 months, and 76.1% after 6 months after NHI coverage in a regional tertiary sleep center in Korea. Prolonged REM sleep latency and increased supine AHI and NREM AHI significantly contributed to good adherence, whereas comorbid hypertension was a factor for poor PAP compliance.
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Background@#and Purpose There have been few reports on recent trends in the occurrence of epilepsy. The aim of this study was to estimate the incidence and prevalence of epilepsy and analyze their annual trends in Korea over the period 2009–2017. @*Methods@#This nationwide population-based study was carried out using the National Health Insurance Service of Korea database. A prevalent case was defined as one of a patient receiving a prescription of anticonvulsants under the diagnostic codes for epilepsy or seizure. An incident case was ascertained by confirming the absence of any epilepsy-related diagnostic codes and anticonvulsant prescription for 2 years or more before the operational definition for a prevalent case was met. Alternative operational definitions for epilepsy were tested. The temporal trends of the incidence and prevalence of epilepsy were analyzed using a Poisson regression model, and are expressed as average annual percentage changes (AAPCs). @*Results@#The incidence of epilepsy increased from 28.7/100,000 persons in 2009 to 35.4/100,000 persons in 2017. The prevalence increased gradually from 3.4/1,000 persons in 2009 to 4.8/1,000 persons in 2017. These increasing trends were more evident among elderly subjects aged ≥75 years and in those who had codes for epilepsy or seizure as an additional diagnosis. Age standardization revealed a less prominent but still increasing trend in both incidence (AAPC=0.48%) and prevalence (AAPC=3.11%). @*Conclusions@#There have been increasing trends in both the prevalence and incidence of epilepsy in Korea between 2009 and 2017. This finding appears to be related to societal aging and the high incidence of symptomatic epilepsy in the elderly population.
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Objectives@#Obstructive sleep apnea (OSA) is a common clinical disease which has been associated with cardiovascular disease and sudden death. Positive airway pressure (PAP) is the most effective treatment for OSA; however, most patients experience difficulties in tolerating machines, masks, or economic burdens. In Korea, National Health Insurance (NHI) application for PAP started in July 2018. Therefore, this study aimed to evaluate the PAP adherence and factors contributing to good adherence after NHI coverage in Korea. @*Methods@#A retrospective study was performed to examine 89 patients with OSA who were treated with PAP in 2019. All medical records were analyzed to obtain demographic and clinical data, including personal history, polysomnographic data, and PAP results. @*Results@#A total of 66 participants were included, of which 56 (84.8%) were maintained on PAP therapy after 3 months, and 32 of 42 (76.1%) were maintained on PAP therapy after 6 months; prolonged rapid eye movement (REM) sleep latency, increased nonREM (NREM) apnea-hypopnea index (AHI), and supine AHI significantly contributed to good PAP adherence for 3 months. At 6 months, prolonged REM sleep latency, increased NREM AHI, supine AHI, and increased arousal index significantly contributed to good PAP adherence. However, comorbid hypertension contributed to poor PAP compliance. @*Conclusions@#PAP adherence in patients with OSA was 84.8% after 3 months, and 76.1% after 6 months after NHI coverage in a regional tertiary sleep center in Korea. Prolonged REM sleep latency and increased supine AHI and NREM AHI significantly contributed to good adherence, whereas comorbid hypertension was a factor for poor PAP compliance.
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Background@#Pregnancy in women with epilepsy (WWE) is known to have a higher risk for fetal development complications, which may include congenital malformations. Unfortunately, information pertaining to pregnancy in WWE is difficult to obtain because there are considerable ethical issues preventing these studies from being conducted on pregnant women. Therefore, this study investigated the pregnancies of Korean WWE in a tertiary epilepsy center to observe data resulting from the outcome of the pregnancies. @*Methods@#This was a retrospective study of 48 pregnant WWE who were treated at the regional tertiary epilepsy center. All records of hospital visits before and after the period of pregnancy were analyzed to obtain information about the seizures as well as pregnancy-related outcomes, including the status of the newborns' conditions. @*Results@#The subject group consisted of 31 (63.3%) with partial epilepsy, 6 (12.5%) with generalized epilepsy, and 11 (22.9%) with unclassified epilepsy. There were 27 subjects who took one antiepileptic drug (AED), and 12 who took two AEDs. The most commonly used drug was lamotrigine (29.8%). Of the 48 WWE involved in the study, 31 underwent caesarian sections and 17 opted for natural birth. Thirty-nine (81.3%) delivered at full-term, but 9 (18.7%) delivered at preterm. Compared to full-term infants, pre-mature infants showed lower birth weight, smaller head circumference, shorter height, and lower 1-minute Apgar scores, but seizure frequencies of the mothers did not differ. @*Conclusion@#In WWE, epilepsy classification, number of AEDs taken, and frequency of seizures are not significantly correlated with delivery and fetal condition. This data could be used as a clinical reference for physicians to provide useful information to WWE if they are concerned about their pregnancies.
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Background@#and Purpose: Cefepime is a widely used fourth-generation cephalosporin. It is commonly used as a first-line antibiotic to treat various infectious diseases such as hospital-acquired pneumonia, urinary tract infections, and bacterial meningitis. The primary outcome of this study was the development of cefepime-induced encephalopathy (CIE) at a tertiary medical center in Korea. We also aimed to describe the clinical features of CIE. @*Methods@#We enrolled 1,793 consecutive patients treated with cefepime. The CIE group included 44 patients who experienced altered consciousness after receiving cefepime without any other obvious cause and showed full recovery after stopping cefepime. This study collected demographic data, laboratory findings, and clinical data including the cause of infection, duration for onset of altered consciousness, duration of cefepime treatment, dosage of cefepime, duration of recovering consciousness after stopping cefepime, sequelae after encephalopathy, and electroencephalography data. @*Results@#Forty-four (2.5%) patients were included in the CIE group. The age was significantly higher in the CIE group than in the control group (71.2±10.8 years vs. 64.7±16.1 years, mean± standard deviation; p=0.007), and females constituted a significantly large proportion in the CIE group (27 of 44, 61.4%). The CIE group had higher blood urea nitrogen (34.7±22.6 mg/dL vs. 23.0±17.5 mg/dL, p<0.001) and creatinine (2.2±2.5 mg/dL vs. 1.1±1.3 mg/dL, p<0.001), and lower estimated glomerular filtration rate (eGFR) (56.3±46.0 mL/min/1.73 mm 2 vs. 98.8±66.3 mL/min/1.73 mm 2 , p<0.001). Multivariate analysis showed that only eGFR was significantly related to CIE. @*Conclusions@#The incidence of CIE was 2.5% in this study. It is essential to consider the possibility of CIE occurring, especially in patients with lower values of eGFR and dialysis.
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Japanese-B viral encephalitis (JE) usually has a monophasic illness pattern. A 45-year-old woman in an altered mentality had improved over 1 month. About 1 week after the initial improvement, the patient became comatose with aggravated EEG and MRI findings. Assays of cerebrospinal fluid and serum were positive for the IgM antibody to Japanese-B virus. After intravenous immunoglobulin (IVIG) infusion, the patient recovered. We report a patient with JE who showed a biphasic illness pattern and recovered after IVIG therapy.
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Femenino , Humanos , Persona de Mediana Edad , Líquido Cefalorraquídeo , Coma , Electroencefalografía , Encefalitis Viral , Inmunización Pasiva , Inmunoglobulina M , Inmunoglobulinas , Inmunoglobulinas Intravenosas , Imagen por Resonancia MagnéticaRESUMEN
BACKGROUND: Obstructive sleep apnea (OSA) is a common disease, but there are few studies about the quality of life (QOL) of Korean patients with OSA. The aims of the present study were compare the QOL of patients with OSA and healthy controls, and to determine the factors that influence the QOL in these patients. METHODS: This was a casecontrol study comparing the QOL of 136 OSA patients and 126 healthy controls. For all of the subjects, QOL and the severity of subjective symptoms were evaluated using various questionnaires, including the Korean versions of the Medical Outcome Study Short Form-36 (SF-36), the Pittsburg Sleep Quality Index (PSQI-K), the Epworth Sleepiness Scale (KESS), the Insomnia Severity Index (ISI), the Beck Depression Inventory (KBDI)-2, and the Hospital Anxiety Scale (HAS). RESULTS: The QOL was worse in patients with OSA than in the controls, but there was no association between the severity of OSA and the degree of worsening of QOL. Multiple stepwise regression analysis revealed that the strongest associations were found between QOL and HAS, ISI and BDI-2 scoring in OSA patients. CONCLUSIONS: These findings demonstrate that OSA represents a considerable burden on the QOL of Koreans, and suggest that the impairment in QOL of Koreans with OSA is related to the degree of anxiety, insomnia and depression that they suffer.