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Sleep disturbance and abnormal circadian rhythm might be closely related to bipolar disorder. Several studies involving disturbed sleep/wake cycle, changes in rhythms such as melatonin and cortisol, clock genes, and circadian preference have shown the relationship between bipolar disorder and circadian rhythm. The results differed across different studies.In some studies, a delay in the circadian rhythm was observed in the depressive episode and advanced circadian rhythm was observed during the manic episode. In other studies, a delay in circadian rhythm was observed independent of mood episodes. Accordingly, circadian rhythm disorder was proposed as a trait marker for bipolar disorder. The altered circadian rhythm may represent a pathological mechanism that contributes to the mood episodes. However, a prospective cohort study is needed for further clarification.
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Background@#Recently, deep learning techniques have been used in medical imaging studies. We present an algorithm that measures radiologic parameters of distal radius fractures using a deep learning technique and compares the predicted parameters with those measured by an orthopedic hand surgeon. @*Methods@#We collected anteroposterior (AP) and lateral X-ray images of 634 wrists in 624 patients with distal radius fractures treated conservatively with a follow-up of at least 2 months. We allocated 507 AP and 507 lateral images to the training set (80% of the images were used to train the model, and 20% were utilized for validation) and 127 AP and 127 lateral images to the test set. The margins of the radius and ulna were annotated for ground truth, and the scaphoid in the lateral views was annotated in the box configuration to determine the volar side of the images. Radius segmentation was performed using attention U-Net, and the volar/dorsal side was identified using a detection and classification model based on RetinaNet. The proposed algorithm measures the radial inclination, dorsal or volar tilt, and radial height by index axes and points from the segmented radius and ulna. @*Results@#The segmentation model for the radius exhibited an accuracy of 99.98% and a Dice similarity coefficient (DSC) of 98.07% for AP images, and an accuracy of 99.75% and a DSC of 94.84% for lateral images. The segmentation model for the ulna showed an accuracy of 99.84% and a DSC of 96.48%. Based on the comparison of the radial inclinations measured by the algorithm and the manual method, the Pearson correlation coefficient was 0.952, and the intraclass correlation coefficient was 0.975. For dorsal/ volar tilt, the correlation coefficient was 0.940, and the intraclass correlation coefficient was 0.968. For radial height, it was 0.768 and 0.868, respectively. @*Conclusions@#The deep learning-based algorithm demonstrated excellent segmentation of the distal radius and ulna in AP and lateral radiographs of the wrist with distal radius fractures and afforded automatic measurements of radiologic parameters.
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Systemic sclerosis (SSc), also called scleroderma, is a rare debilitating autoimmune disease of the connective tissue characterized by microvascular damage, specific immunologic abnormalities, and progressive fibrosis of the skin and internal organs. The disease may be associated with serious visceral complications involving the pulmonary, gastrointestinal, cardiac and renal systems, why early identification is important. Cutaneous telangiectasia was originally one of the diagnostic criteria of the CREST syndrome (calcinosis, Raynaud’s phenomenon, esophageal dysmotility, sclerodactyly, and telangiectasias), and is now included in the 2013 American College of Rheumatology/European League Against Rheumatism criteria for the diagnosis of SSc. We report herein three cases of SSc who presented our department for telangiectasia, because eruptive telangiectasia on exposed area associated with high titer of antinuclear antibody could be the first sign of SSc.
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Background@#Scabies, a common contagious skin disease caused by ectoparasites, is a significant public health concern in healthcare facilities, including tertiary hospitals. @*Objective@#This study aimed to assess the clinical characteristics of hospitalized patients who were diagnosed with scabies. We focused on determining whether patient-related factors such as height, weight, underlying diseases, mobility, mental alertness, cognitive impairment, catheter insertion, and the presence of caregivers influenced the failure of the initial diagnosis or treatment. @*Methods@#We retrospectively analyzed the medical records of 81 patients who were diagnosed with scabies during hospitalization between January 2011 and June 2023. @*Results@#Of the 81 patients, 45 (55.6%) were male, with a mean age of 76.5 years. The most common primary diagnosis was an infectious disease (66.7%). The main suspected routes of infection were care facilities (63.5%) for patients who already had pruritic skin lesions before admission, and contact with caregivers (80.0%) for patients who developed new skin lesions after admission. The initial consultation failed to diagnose scabies in 19.8% of the patients, and among those, 62.5% had not undergone initial microscopic examination. Patients who were initially misdiagnosed had significantly longer hospitalizations and scabies treatment durations. Among the patients who underwent follow-up microscopic examination after the initial treatment, 60.0% showed positive results. Overall, 54.2% of the patients experienced initial treatment failure. Patient-related factors did not significantly differ between patients with and without initial diagnostic failure and between patients with and without initial treatment failure. @*Conclusion@#Dermatologists should consider performing microscopic examinations more frequently in hospitalized patients to improve diagnostic accuracy. Considering the high treatment failure rate, follow-up microscopic evaluation is recommended after initial treatment.
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Objective@#This narrative review aims to provide a comprehensive assessment of the existing literature on the relationship between hypnotics and dementia, considering both potential link and inconclusive or lack of association. @*Methods@#Data from studies that investigate the association between hypnotic medications and dementia were reviewed. Studies included both cohort studies and systematic reviews, participants with various type of dementia and hypnotics including benzodiazepines (BZDs) and Z-drugs (ZDs). @*Results@#The existing literatures presents conflicting evidence regarding the association between hypnotics, including BZDs and ZDs, and the risk of dementia. Some studies suggest a potential link between prolonged use of hypnotics and an increased risk of dementia. However, other studies indicate inconclusive or lacking evidence regarding this association. Factors such as study design, sample characteristics, and control of confounding variables contribute to the variability in findings. @*Conclusion@#The relationship between hypnotics and dementia remains complex and controversial. While some studies suggest a potential association, others find inconclusive or conflicting evidence. Future research should focus on addressing methodological limitations, considering classifying dementia subtypes, and try to adjust medication lag time.
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Background@#The largest outbreak of enterohemorrhagic Escherichia coli (EHEC) O157:H7 occurred at a preschool in South Korea from June 12 to 29, 2020. This study aimed to analyze the epidemiological and clinical characteristics of EHEC infection in this outbreak. @*Methods@#Epidemiological investigation was performed on all 184 children and 19 workers at the preschool using a standard questionnaire to assess symptoms, food intake, attendance, and special activity history. Pulsed-field gel electrophoresis analysis of confirmed cases was performed to determine genetic relevance. @*Results@#During this outbreak, 103 children were affected, whereas only one infection was identified in adults. Of the 103 pediatric patients, 85 had symptoms (82.5%), including diarrhea, abdominal pain, bloody stool, fever, and vomiting. Thirty-two patients (31.1%) were hospitalized, 15 (14.6%) were diagnosed with hemolytic uremic syndrome, and 4 (3.9%) received dialysis treatment. Pulsed-field gel electrophoresis analysis identified 4 genotypes with high genetic relevance (92.3%). Epidemiological investigation revealed that this outbreak might have occurred from ingesting foods stored in a refrigerator with a constant temperature above 10°C, which was conducive to bacterial growth. Despite several measures after outbreak recognition, new infections continued to appear. Therefore, the preschool was forced to close on June 19 to prevent further person-to-person transmission. @*Conclusion@#Our findings from the response to the largest outbreak will help prepare countermeasures against future EHEC outbreak.
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Background@#We evaluated the household secondary attack rate (SAR) of the omicron and delta severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) variants, according to the vaccination status of the index case and household contacts; further, in vaccinated index cases, we evaluated the effect of the antibody levels on household transmission. @*Methods@#A prospective cross-sectional study of 92 index cases and 197 quarantined household contacts was performed. Tests for SARS-CoV-2 variant type and antibody level were conducted in index cases, and results of polymerase chain reaction tests (during the quarantine period) were collected from contacts. Association of antibody levels in vaccinated index cases and SAR was evaluated by multivariate regression analysis. @*Results@#The SAR was higher in households exposed to omicron variant (42%) than in those exposed to delta variant (27%) (P = 0.040). SAR was 35% and 23% for unvaccinated and vaccinated delta variant exposed contacts, respectively. SAR was 44% and 41% for unvaccinated and vaccinated omicron exposed contacts, respectively. Booster dose immunisation of contacts or vaccination of index cases reduced SAR of vaccinated omicron variant exposed contacts. In a model with adjustment, anti-receptor-binding domain antibody levels in vaccinated index cases were inversely correlated with household transmission of both delta and omicron variants.Neutralising antibody levels had a similar relationship. @*Conclusion@#Immunisation of household members may help to mitigate the current pandemic.
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Purpose@#Esophagojejunostomy leakage after total gastrectomy for gastric cancer is one of the most serious and sometimes life-threatening adverse events. The purpose of this study was to evaluate complications after total gastrectomy in patients with gastric cancer during the period when Histoacryl (B. Braun) injection was performed. Therapeutic outcome of endoscopic Histoacryl injection for esophagojejunostomy leakage was also determined. @*Methods@#This was a single-center retrospective study. Between January 2016 and December 2021, clinicopathologic characteristics and surgical outcomes of 205 patients who underwent total gastrectomy were investigated. Baseline characteristics and clinical outcomes of 10 patients with esophagojejunostomy leakage were also investigated. @*Results@#Postoperative complication and mortality rates of total gastrectomy in 205 patients were 25.4% and 0.9%, respectively. Serious complications more than Clavien-Dindo IIIb accounted for 6.3%. Ten (4.9%) esophagojejunostomy leakages occurred in 205 patients. Among 10 esophagojejunostomy leakage patients, endoscopic Histoacryl injection was performed on eight patients and leakage was successfully managed with endoscopic Histoacryl injection in seven patients (87.5%). Mean postinjection hospital stay of seven successfully managed patients was 13.8 days. They were able to drink water at 1–6 days after injection.Among eight patients with endoscopic Histoacryl injection, six patients were injected once and two patients were injected three times. @*Conclusion@#Endoscopic Histoacryl injection for esophagojejunostomy leakage after total gastrectomy can be considered as a useful treatment for some selected cases.
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Scars are still a challenging problem in medical practice, despite advancements in treatment modalities. Numerous treatment modalities, ranging from simple revision, Z-plasty, and W-plasty to laser treatments, have been used to treat scar deformities. However, for wide depressed scars, additional methods are needed to completely restore the contour of the depression caused by tissue adhesion. We report on the case of a 34-year-old woman with a wide depressed scar deformity on the left upper buttock and the encouraging results of an autologous fat graft injection technique that utilized a cutting wire to form a pocket for the fat graft site, while simultaneously resolving the adhesion caused by the tissue. This method is safe and easily reproducible, making it a useful addition to the surgeon’s toolkit when dealing with such lesions.
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Purpose@#There are clinical unmet needs in predicting therapeutic response and precise strategy for the patient with advanced biliary tract cancer (BTC). We aimed to identify genomic alterations predicting therapeutic response and resistance to gemcitabine and cisplatin (Gem/Cis)-based chemotherapy in advanced BTC. @*Materials and Methods@#Genomic analysis of advanced BTC multi-institutional cohorts was performed using targeted panel sequencing. Genomic alterations were analyzed integrating patients’ clinicopathologic data, including clinical outcomes of Gem/Cis-based therapy. Significance of genetic alterations was validated using clinical next-generation sequencing (NGS) cohorts from public repositories and drug sensitivity data from cancer cell lines. @*Results@#193 BTC patients from three cancer centers were analyzed. Most frequent genomic alterations were TP53 (55.5%), KRAS (22.8%), ARID1A (10.4%) alterations, and ERBB2 amplification (9.8%). Among 177 patients with BTC receiving Gem/Cis-based chemotherapy, ARID1A alteration was the only independent predictive molecular marker of primary resistance showing disease progression for 1st-line chemotherapy in the multivariate regression model (odds ratio, 3.12; p=0.046). In addition, ARID1A alteration was significantly correlated with inferior progression-free survival on Gem/Cis-based chemotherapy in the overall patient population (p=0.033) and in patients with extrahepatic cholangiocarcinoma (CCA) (p=0.041). External validation using public repository NGS revealed that ARID1A mutation was a significant predictor for poor survival in BTC patients. Investigation of multi-OMICs drug sensitivity data from cancer cell lines revealed that cisplatin-resistance was exclusively observed in ARID1A mutant bile duct cancer cells. @*Conclusion@#Integrative analysis with genomic alterations and clinical outcomes of the first-line Gem/Cis-based chemotherapy in advanced BTC revealed that patients with ARID1Aalterations showed a significant worse clinical outcome, especially in extrahepatic CCA. Well-designed prospective studies are mandatory to validate the predictive role of ARID1Amutation.
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Background@#The reliability and validity of the anxiety subscale of the Hospital Anxiety and Depression Scale for Koreans (K-HADS-A) has not been studied in Korean surgical patients. This study aimed to validate the usefulness of K-HADS-A for measuring preoperative anxiety in Korean surgical patients. Additionally, the effect of preoperative anxiety on postoperative quality of recovery was evaluated. @*Methods@#Preoperative anxiety in 126 inpatients with planned elective surgery was measured using the K-HADS-A. The postoperative quality of recovery was measured using the Korean version of the Quality of Recovery-15. The validity and reliability of the K-HADS-A were evaluated. The differences in quality of recovery on the first and seventh day postoperatively were then compared between the anxious and non-anxious groups. @*Results@#There was a statistical correlation between the K-HADS-A and Anxiety Likert Scale. The goodness-of-fit indices of the structural equation model showed how well the data from the K-HADS-A match their concept. The Kaiser-Meyer-Olkin value was 0.848, and the P value of Bartlett’s test of sphericity was < 0.001. Cronbach’s alpha was high at 0.872. The K-HADS-A had an acceptable level of validity and reliability. Postoperative quality of recovery was significantly lower in the anxious group (postoperative day 1: t = 2.058, P = 0.042; postoperative day 7: t = 3.430, P = 0.002). @*Conclusions@#The K-HADS-A is an acceptable tool for appropriately assessing preoperative anxiety in Korean surgical patients. Assessing preoperative anxiety is valuable, because preoperative anxiety affects the postoperative quality of mental and physical recovery.
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Background@#and Purpose We aimed to determine whether structural brain connectivity is significantly associated with the response to sumatriptan in patients with migraine. @*Methods@#We retrospectively enrolled patients with newly diagnosed migraine who underwent brain diffusion-tensor imaging (DTI) at the time of diagnosis, with regular follow-up for at least 6 months after the initial diagnosis. Patients were classified into good- and poor-responder groups according to their response to sumatriptan. We analyzed the structural connectivity using DTI by applying graph theory using DSI Studio software. @*Results@#We enrolled 59 patients (35 good responders and 24 poor responders) and 30 healthy controls. Global structural connectivity differed significantly between patients with migraine and healthy controls, while local structural connectivity differed significantly between good and poor responders. The betweenness centrality was lower in good responders than in poor responders in the left lateral geniculate thalamic nucleus (26.078 vs. 41.371, p=0.039) and right medial mediodorsal magnocellular thalamic nucleus (60.856 vs. 90.378, p=0.021), whereas was higher in good responders in the left lateral pulvinar thalamic nucleus (98.365 vs. 50.347, p=0.003) and right medial pulvinar thalamic nucleus (216.047 vs. 156.651, p=0.036). @*Conclusions@#We found that structural connectivity in patients with migraine differed from that in healthy controls. Moreover, the local structural connectivity varied with the response to sumatriptan, which suggests that structural connectivity is a useful factor for predicting how a patient will respond to sumatriptan.
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Purpose@#To develop a deep learning model to predict visual acuity (VA) outcomes after 12 months of anti-vascular endothelial growth factor (anti-VEGF) treatment. @*Methods@#A total of 330 treatment-naive eyes of neovascular age-related macular degeneration patients, who underwent anti-VEGF therapy between 2007 and 2020 at Konkuk University medical center, were included. The network was trained using VA at baseline, VA after three loading doses of anti-VEGF, and treatment regimen data. It was also trained using 12,300 augmented optical coherence tomography (OCT) B-scan images at baseline and after three loading doses of anti-VEGF. We generated five deep learning models using sequentially input data (VA and OCT B-scan images at baseline and after three loading doses, and treatment regimen). Prediction of VA at 12 months was performed using deep learning algorithms, such as convolutional neural network and multilayer perceptron. The outcomes were dichotomized based on whether the decremental change in VA during the 12 months of treatment was more or less than logarithm of the minimum angle of resolution 0.3. Predictive efficiency was assessed by comparing the performance of deep learning models. @*Results@#The best performing model was trained using input data, including VA at baseline and after three loading doses, treatment regimen, and OCT B-scan images at baseline and after three loading doses. The decremental outcome in VA after 12 months of anti-VEGF treatment was predicted as an area under the curve (AUC) of 0.79. The addition of OCT images at baseline and after three loading doses as input data improved the AUC, sensitivity, and negative predictive value (AUC 0.74-0.79, 0.58-0.86, and 0.90-0.95, respectively). @*Conclusions@#Our deep learning model showed relatively good performance in classifying good or poor post-treatment VA based on combined clinical information including numerical and image data.
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Background@#Melanoma arising from the scalp is rare and often diagnosed at advanced stages due to difficulty in detection. @*Objective@#This is the first study that aimed to analyze the clinicopathological findings of scalp melanoma among Korean patients at a single institution. @*Methods@#In this single-centered retrospective study, medical records were used to review data of patients with scalp melanoma between 2006 to 2021. Chronic sun damage (CSD) was evaluated by reviewing histopathological findings of scalp melanoma. @*Results@#Fifteen patients were identified. Mean age at diagnosis was 53.93 years. In 14 cases, the tumors were located on hair-covered areas. Mean Breslow’s thickness was 6.06 mm. Nodular melanoma was the most common histologic type (n=9), followed by superficial spreading (n=5), and lentigo maligna (n=1). Ulceration was present in five cases. In nine cases, CSD was moderate. Elective neck node dissection was performed in 13 cases, with five revealing nodal involvement. At initial staging, three patients were in stage I, six were in stage II, four were in stage III, and two were in stage IV. Recurrence occurred in seven of the 15 cases. There were five confirmed mortalities during a mean follow-up period of 35 months. @*Conclusion@#In this study, the Breslow’s thickness of scalp melanoma was relatively deep, and the most frequent type was nodular melanoma. Since detection can be affected by black hair among Koreans, it may result in delayed diagnosis and poor prognosis. Therefore, more caution is needed when examining suspicious lesions on the scalp.
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Objective@#The suicide rate in Korea was the highest among countries in the Organisation for Economic Co-operation and Development in 2019. In a previous study, higher intake of vegetables and fruits was associated with a lower risk of suicidal ideation, and carotene-rich fruits and vegetables lowered the risk of depression. This study aimed to examine the direct relationship between carotene intake and suicidal ideation, adjusting for the effect on depression. @*Methods@#This study used data from the Korea National Health and Nutrition Examination Survey (KNHANES) conducted in 2012, 2013, and 2015. Carotene intake was assessed through a food intake frequency survey with a 24-hour recall. Suicidal ideation and depression were assessed using the mental health section of the KNHANES. We applied logistic regression to assess the relationship between carotene intake and suicidal ideation, adjusting for potential confounders. @*Results@#A total of 5,480 females aged 19–64 years were included in this study. Carotene intake was significantly lower in the suicidal ideation group (3,034.5±1,756.4 μg/day) than in the nonsuicidal ideation group (3,225.4±1,795.1 μg/day) (p=0.015). We found a significant inverse association between carotene intake and the risk of suicidal ideation after adjusting for potential confounders (odds ratio=0.934, 95% confidence interval=0.873–0.999). @*Conclusion@#These results suggest that carotene intake may be inversely associated with the risk of suicidal ideation. Our findings may inform the development of new nutritional interventions to prevent increases in the risk of suicide worldwide.
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Background@#Recessive dystrophic epidermolysis bullosa (RDEB) manifests in various cutaneous and extracutaneous complications that lead to considerable morbidity and mortality, however, no precise incidence data are available. @*Objective@#To investigate the prevalence of inherited epidermolysis bullosa (EB) stratified by subtypes, demographics, and clinical characteristics in Korean patients with EB, and major clinical events and outcomes in Korean RDEB patients. @*Methods@#A total of 179 patients diagnosed with EB at a single tertiary hospital between January 2005 and January 2020 were retrospectively analyzed. @*Results@#Among the 179 patients, 86 (48.0%) had EB simplex, 45 (25.1%) had dominant dystrophic EB, 38 (21.2%) had RDEB, and 10 (5.6%) had juncttional EB. Symptoms of the disease were present at age 1 year in 38 patients with RDEB (100%), 10 with junctional EB (100%), 41 with dominant dystrophic EB (91.1%), and 63 with EB simplex (73.3%). Among the 38 patients with RDEB, 20 (52.6%) had anemia, 21 (55.3%) had pseudosyndactyly, 9 (23.7%) had cardiac disorder (23.7%) (e.g., dilated cardiomyopathy), 9 (23.7%) had ophthalmic disorders, 11 (28.9%) had methicillin-resistant Staphylococcus aureus skin infection, 7 (18.4%) had esophageal stricture, and 4 (10.5%) developed squamous cell carcinoma at a mean age of 46.7 years. Seventeen subjects (44.7%) underwent hand/foot surgery at a mean age of 6.6 years. Six subjects (15.8%) underwent esophageal dilation at a mean age of 23 years. Five patients (13.2%) died. @*Conclusion@#RDEB affects multiple organ systems and requires a multidisciplinary therapeutic approach. Understanding the incidence and outcomes of milestone clinical events is crucial for optimal management of RDEB patients.
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Background@#In patients with sepsis, timely risk stratification is important to improve prognosis. Although several clinical scoring systems are currently being used to predict the outcome of sepsis, but they all have certain limitations. The objective of this study was to evaluate the prognostic value of estimated plasma volume status (ePVS) in patients admitted to the intensive care unit (ICU) with sepsis or septic shock. @*Methods@#This single-center, prospective observational study, included 100 patients admitted to the ICU with sepsis or septic shock. Informed consent, blood samples, and co-morbidity data were obtained from the patients on admission, and the severity of sepsis was recorded.The primary outcome was in-hospital mortality and multivariable logistic regression analysis was used to adjust for confounding factors to determine the significant prognostic factor. @*Results@#The in-hospital mortality was 47%. The ePVS was correlated with the amount of total fluids administered 24 hours before the ICU admission. The mean ePVS in patients who died was higher than in those who survived (7.7 ± 2.1 dL/g vs. 6.6 ± 1.6 dL/g, P = 0.003). To evaluate the utility of ePVS in predicting in-hospital mortality, a receiver operating characteristic curve was produced. Sensitivity and specificity were optimal at a cut-off point of 7.09 dL/g, with an area under the curve of 0.655. In the multivariate analysis, higher ePVS was significantly associated with higher in-hospital mortality adjusted odds ratio, 1.39; 95% confidence interval, 1.04–1.85, P = 0.028). The Kaplan-Meier curve showed that an ePVS value above 7.09 was associated with an increased risk of in-hospital mortality compared with the rest of the population (P = 0.004). @*Conclusion@#The ePVS was correlated with the amount of intravenous fluid resuscitation and may be used as a simple and novel prognostic factor in patients with sepsis or septic shock who are admitted to the ICU.
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Nasopharyngeal mass is a disease that can cause unilateral or bilateral nasal obstruction. Common diseases that can cause nasal obstruction include antrochoanal polyp, adenoid remnants, juvenile nasopharyngeal angiofibroma, and nasopharyngeal carcinoma. Nasopharyngeal tuberculosis and nasopharyngeal sarcoidosis are two rare diseases that involve the nasopharynx and manifest as nasopharyngeal mass, and they share common histopathologic findings of granulomatous inflammation. We report a case where a patient complaining of nasal obstruction was found with nasopharyngeal mass with smooth surface, which was difficult to differentiate nasopharyngeal tuberculosis from nasopharyngeal sarcoidosis due to similar clinical manifestations and histopathologic findings.
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Objective@#The objectives of this study were to investigate the suicide risk in diabetes patients and evaluate the variations in suicide risk by the duration of diabetes using a large population sample in South Korea. @*Methods@#Data from 6,296 adults in the 2019 Korea National Health and Nutrition Examination Survey were included. The suicidal ideation, suicide plans, and suicidal behavior of diabetes patients were compared to the general population. After classifying the patients into ≤1 year, 2 to 9 years, and ≥10 years of diabetes duration, we evaluated the relationship between the duration of diabetes and the suicide risk. @*Results@#Diabetes patients had higher prevalences of suicidal ideation (9.1%, p<0.001) and suicide plans (3.6%, p<0.001) than the general population. After adjusting for potential confounding factors, suicide plans (adjusted odds ratio [aOR]=2.926, 95% confidence interval [CI]=1.325–6.463) were significantly associated with diabetes. In the 2 to 9 years group of diabetes patients, we found an increase in the risk of suicidal ideation (aOR=2.035, 95% CI=1.129–3.670), suicide plans (aOR=3.507, 95% CI=1.538–7.996), and suicidal behavior (aOR=7.130, 95% CI=2.035–24.978) after adjusting for the covariates. However, no increases in suicide risk were observed ≤1 year and ≥10 years after diabetes diagnosis. @*Conclusion@#In adults, diabetes is associated with an increase in suicide risk. Suicide risk in diabetes patients showed an inverted U-shaped depending upon the duration of diabetes.
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Background/Aims@#There are few studies describing contemporary status of mechanical ventilation in Korea. We investigated changes in management and outcome of mechanical ventilation in Korea. @*Methods@#International, prospective observational cohort studies have been conducted every 6 years since 1998. Korean intensive care units (ICUs) participated in 2010 and 2016 cohorts. We compared 2016 and 2010 Korean data. @*Results@#Two hundred and twenty-six patients from 18 ICUs and 275 patients from 12 ICUs enrolled in 2016 and 2010, respectively. In 2016 compared to 2010, use of non-invasive ventilation outside ICU increased (10.2% vs. 2.5%, p = 0.001). Pressure-control ventilation was the most common mode in both groups. Initial tidal volume (7.1 mL/kg vs. 7.4 mL/kg, p = 0.372) and positive end-expiratory pressure (6 cmH2O vs. 6 cmH2O, p = 0.141) were similar, but peak pressure (22 cmH2O vs. 24 cmH2O, p = 0.011) was lower in 2016. More patients received sedatives (70.7% vs. 57.0%, p = 0.002) and analgesics (86.5% vs. 51.1%, p < 0.001) in 2016. The awakening (48.4% vs. 31.0%, p = 0.002) was more frequently attempted in 2016. The accidental extubation rate decreased to one tenth of what it was in 2010 (1.1% vs. 10.2%, p < 0.001). The ICU mortality did not change (31.4% 35.6%, p = 0.343) but ICU length of stay showed a decreasing trend (9 days vs. 10 days, p = 0.054) in 2016. @*Conclusions@#There were temporal changes in care of patients on mechanical ventilation including better control of pain and agitation, and active attempt of awakening.