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PURPOSE: This study aims to explore obesity-related behaviors (ORB) and health-related quality of life (HRQoL) in socioeconomically vulnerable children, while also examining potential associations between these variables. DESIGN AND METHODS: A total of 721 children enrolled in after-school care programs for socioeconomically vulnerable children participated in this study. Height (in cm) and weight (in kg) were measured directly by trained research assistants. ORB, including eating behaviors and physical activity, was assessed utilizing the Nutrition Quotient Questionnaire. HRQoL was measured utilizing the PedsQL™ 4.0. Data were analyzed using logistic regression. RESULTS: The findings revealed that participants exhibited lower levels of ORB and reduced HRQoL, particularly in the physical health dimension of HRQoL. Inadequate physical activity and poor dietary habits were strongly associated with a 2.625-fold (OR = 2.625, 95% CI = 1.867-3.691) and a 4.251-fold (OR = 4.251, 95% CI = 2.466-7.328) increase, respectively, in the likelihood of having low HRQoL. Surprisingly, the study did not find a significant link between ORB levels and obesity, and obesity status did not predict a higher probability of low HRQoL. CONCLUSIONS: This study underscores the need for tailored interventions designed specifically for children from socioeconomically vulnerable families to address their unique challenges. PRACTICE IMPLICATIONS: This research provides valuable insights for pediatric nurses and healthcare providers, highlighting the crucial role of promoting healthy ORB in socioeconomically vulnerable children to address disparities in childhood obesity and HRQoL.
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CONTEXT: Preterm (PT) and full term with low birth weight (FT-LBW) children are at a high-risk of poor growth outcomes. OBJECTIVE: To investigate the growth trajectories of PT and FT-LBW children from birth to preschool ages. METHODS: This study included 1,150,508 infants (PT, 41,454; FT-LBW, 38,250) who underwent the first three rounds (4-6, 9-12, and 18-24 months) of the National Health Screening Program for Infants and Children (NHSPIC). Growth measurements were obtained from the NHSPIC database and converted into Z-scores. Growth data at 2, 4, and 6 years old were measured as outcome variables. The impact of being born small on poor growth outcomes was investigated using a generalized estimating equation and Cox proportional-hazards regression analysis. RESULTS: The median birth weights of the PT, FT-LBW, and full term (FT) groups were 2.3, 2.4, and 3.2â kg, respectively. The incidence of short stature (height Z-score < -2 standard deviation score [SDS]) and failure to thrive (FTT) (body mass index (BMI) Z-score < -2 SDS) was the highest in the FT-LBW group, followed by the PT and FT groups. At 4 years old, the incidence rates were 6.0% vs. 5.2% vs. 1.9% for short stature and 4.6% vs. 3.9% vs. 1.7% for FTT. The ß estimate of height outcome was lower in both the PT (-0.326 SDS) and FT-LBW (-0.456 SDS) groups. CONCLUSIONS: The FT-LBW group was consistently shorter and lighter throughout the preschool period than the PT group, highlighting the significance of growth monitoring in high-risk populations.
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Dysphagia is common in amyotrophic lateral sclerosis (ALS) patients, often requiring percutaneous endoscopic gastrostomy (PEG) for enteral nutrition. We retrospectively analyzed data from 188 Korean patients with ALS who underwent PEG tube insertion at five-time points: symptom onset (t1), diagnosis (t2), recommended time for gastrostomy (t3), PEG insertion (t4), and one-year post-insertion (t5). The recommended time point for gastrostomy (T-rec for gastrostomy) was defined as the earlier time point between a weight loss of more than 10% and advanced dysphagia indicated by the ALSFRS-R swallowing subscore of 2 or less. The T-rec for gastrostomy was reached at 22 months after symptom onset, followed by PEG insertion at 30 months, resulting in an 8-month delay. During the delay, the ALSFRS-R declined most rapidly at 1.7 points/month, compared to 0.8 points/month from symptom onset to diagnosis, 0.7 points/month from diagnosis to T-rec for gastrostomy, and 0.6 points/month after the PEG insertion. It is crucial to discuss PEG insertion before significant weight loss or severe dysphagia occurs and minimize the delay between the recommended time for gastrostomy and the actual PEG insertion. A stratified and individualized multidisciplinary team approach with careful symptom monitoring and proactive management plans, including early PEG insertion, should be prioritized to improve patient outcomes.
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Esclerose Lateral Amiotrófica , Transtornos de Deglutição , Humanos , Gastrostomia/métodos , Estudos Retrospectivos , Redução de PesoRESUMO
INTRODUCTION: Several studies have reported that the number of patients with Bell's palsy varied significantly by month and season. However, few studies have reported the monthly variation in Bell's palsy based on the whole population. We investigated the monthly variation in Bell's palsy in Korea during a long-term period based on whole population data. METHODS: This retrospective study used the data of the National Health Insurance Service of Korea, which included the entire Korean population from 2008 to 2020. The monthly incidence of Bell's palsy per 100,000 was evaluated in total and according to sex, age, and residence. RESULTS: The total average monthly incidence differed significantly by month, with the highest observed in January (9.1 per 100,000) and the lowest in June (7.7 per 100,000) (p < 0.001). The average monthly incidence according to sex, age, and residence also varied significantly by month, with most of the highest values noted in January and the lowest in June. CONCLUSION: There was significant monthly variation in the incidence of Bell's palsy, with the highest in January during the winter and the lowest in June during the summer, based on whole population data over a long-term period in Korea.
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Paralisia de Bell , Estações do Ano , Paralisia de Bell/epidemiologia , Humanos , República da Coreia/epidemiologia , Masculino , Feminino , Pessoa de Meia-Idade , Adulto , Incidência , Estudos Retrospectivos , Idoso , Adulto Jovem , Adolescente , Criança , Pré-Escolar , Lactente , Idoso de 80 Anos ou mais , Recém-NascidoRESUMO
We investigated the longitudinal changes in cortical tau accumulation and their association with cognitive decline in patients in the Alzheimer disease (AD) continuum using 2-(2-([18F]fluoro)pyridin-4-yl)-9H-pyrrolo[2,3-b:4,5c']dipyridine ([18F]PI-2620) PET. Methods: We prospectively enrolled 52 participants (age, 69.7 ± 8.4 y; 18 men and 34 women): 7 with normal cognition, 28 with mild cognitive impairment, and 17 with AD. They all completed the [18F]PI-2620 and [18F]florbetaben PET, MRI, and neuropsychologic tests at baseline and, excepting the [18F]florbetaben PET, at the 1-y follow-up. Amyloid-ß (Aß) PET images were visually scored as positive (+) or negative (-). Patients on the AD continuum, including Aß+ mild cognitive impairment and AD, were classified into early-onset (EO+) (<65 y old) or late-onset (LO+) (≥65 y old) groups. [18F]PI-2620 PET SUV ratios (SUVRs) were determined by calculating the cerebral-to-inferior cerebellar ratio. Cortical volumes were calculated using 3-dimensional T1-weighted MRI. The correlation between tau accumulation progression and cognitive decline was also investigated. Results: The global [18F]PI-2620 PET SUVRs were 1.04 ± 0.07 in 15 Aß- patients, 1.18 ± 0.21 in 20 LO+ patients (age, 76.7 ± 3.8 y), and 1.54 ± 0.38 in 17 EO+ patients (age, 63.4 ± 5.4 y; P < 0.001) at baseline. The global SUVR increased over 1 y by 0.05 ± 0.07 (3.90%) and 0.13 ± 0.22 (8.41%) in the LO+ and EO+ groups, respectively, whereas in the Aß- groups, it remained unchanged. The EO+ group showed higher global and regional tau deposition than did the Aß- and LO+ groups (P < 0.05 for each) and rapid accumulation in Braak stage V (0.15 ± 0.25; 9.10% ± 12.27%; P = 0.016 and 0.008), Braak stage VI (0.08 ± 0.12; 7.16% ± 10.06%; P < 0.006 and 0.005), and global SUVR (P = 0.013) compared with the Aß- group. In the EO+ group, the changes in SUVR in Braak stages II-VI were strongly correlated with the baseline and changes in verbal memory (P < 0.03). The LO+ group showed higher tau accumulation in Braak stage I-IV areas than did the Aß- group (P < 0.001 for each). In the LO+ group, the change in SUVR in Braak stages III and IV moderately correlated with the change in attention (P < 0.05), and the change in SUVR in Braak stages V and VI moderately correlated with the change in visuospatial function (P < 0.005). Conclusion: These findings suggest that [18F]PI-2620 PET can be a biomarker to provide regional and chronologic information about tau pathology in the AD continuum.
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Doença de Alzheimer , Compostos de Anilina , Piridinas , Estilbenos , Masculino , Humanos , Feminino , Pessoa de Meia-Idade , Idoso , Idoso de 80 Anos ou mais , Doença de Alzheimer/diagnóstico por imagem , Peptídeos beta-Amiloides , Tomografia por Emissão de PósitronsRESUMO
INTRODUCTION: Acute facial palsy, characterized by sudden hemifacial weakness, significantly impacts an individual's quality of life. Despite several predisposing factors identified for acute facial palsy, the specific relationship between diabetes mellitus (DM) and acute facial palsy has not been comprehensively explored in recent studies. The aim of the study was to assess the risk of acute facial palsy in patients with DM using a nationwide population sample cohort. METHODS: DM cohort and non-DM cohort were built using the Korean National Health Insurance Service-Sample Cohort which represents the entire population of the Republic of Korea from January 2002 to December 2019. The DM cohort comprised 92,872 patients with a record of medication and a diagnosis of DM. Individuals who had facial palsy before the diagnosis of DM were excluded. A comparison cohort comprised 1,012,021 individuals without DM matched sociodemographically in a 1:4 ratio. The incidence of Bell's palsy (BP) and Ramsay Hunt syndrome (RHS) were evaluated in both cohorts. The risk factors for acute facial palsy were also assessed. RESULTS: Among the 92,868 patients in the DM cohort, the incidence rate (IR) of BP and RHS were 31.42 (confidence interval [CI], 30.24-32.63) and 4.58 per 10,000 person-years (CI, 4.14-5.05), respectively. Among the 371,392 individuals in the non-DM cohort, the IR of BP was 22.11 per 10,000 person-years (CI, 21.62-22.59) and the IR of RHS was 2.85 per 10,000 person-years (CI, 2.68-3.02). IR ratios for BP and RHS were 1.42 (CI, 1.36-1.48) and 1.61 (CI, 1.43-1.80). In multivariate analysis, DM (hazard ratio [HR] 1.428), age (HR 1.008), and high comorbidity score (HR 1.051) were associated with increased risk of BP, and male (HR 0.803) and living in metropolis (HR 0.966) decreased the risk of BP. And DM (HR 1.615), high comorbidity score (HR 1.078), and living in metropolis (HR 1.201) were associated with increased risk for RHS. CONCLUSION: This study suggests that patients with DM had an increased risk of acute facial palsy including BP and RHS.
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Paralisia de Bell , Diabetes Mellitus , Paralisia Facial , Herpes Zoster da Orelha Externa , Humanos , Masculino , Paralisia Facial/epidemiologia , Paralisia Facial/complicações , Paralisia de Bell/epidemiologia , Qualidade de Vida , Diabetes Mellitus/epidemiologia , Herpes Zoster da Orelha Externa/complicações , Herpes Zoster da Orelha Externa/diagnósticoRESUMO
OBJECTIVES: We aimed to investigate the association between smartphone use and adverse behavioral health outcomes using nationwide Korea Youth Risk Behavior Web-based Survey data for 2017 and 2020. METHODS: The 2020 data (N = 54,809) were used to analyze the relationships between daily smartphone usage time (non-user, 0-2 h [hour], 2-4 h, 4-6 h, 6-8 h, and > 8 h), and adverse health outcomes (stress, sleep, depression, suicide, substance use, and smartphone overdependence). A 1:1 propensity score matching (PSM) was used to control for confounding variables. RESULTS: A total of 40,998 adolescents with < 4 h/day and > 4 h/day of usage were included. Adolescents' mean smartphone usage time in 2020 increased compared to that in 2017 (weighted % of > 2 h/day; 64.3% vs. 85.7%). The curvilinear relationships between smartphone usage time and adverse health outcomes were prominent after > 4 h/day. Adolescents using smartphones 2-4 h/day showed no increased adverse health outcomes compared to non-users, except for smartphone overdependence. Using a smartphone > 4 h/day was significantly associated with stress perception (1.16; 1.11-1.22), suicidal ideation (1.22; 1.13-1.31), and substance use (alcohol, 1.66; 1.57-1.75) after PSM. CONCLUSIONS: Our study demonstrated the curvilinear relationship between smartphone usage time and adverse health outcomes in adolescents. Our findings can help establish smartphone usage guidelines for adolescents.
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Smartphone , Transtornos Relacionados ao Uso de Substâncias , Humanos , Adolescente , Assunção de Riscos , República da Coreia/epidemiologia , Avaliação de Resultados em Cuidados de SaúdeRESUMO
In emergency departments, rapid screening of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) was important for arranging limited isolation resources and patient care during the coronavirus disease 2019 (COVID-19) pandemic. STANDARD M10 SARS-CoV-2 (SD Biosensor) is a recently developed cartridge-based RT-PCR that provides a turnaround time of 1 h, which is shorter than that for conventional RT-PCR. This study evaluated the clinical performance of STANDARD M10 in patients visiting an emergency department. From March to June 2022, two specimens were collected from patients visiting an emergency department. Each specimen comprised one nasopharyngeal and one oropharyngeal swab. Respective specimens underwent rapid RT-PCR using STANDARD M10 and conventional RT-PCR using Allplex SARS-CoV-2 (Seegene). When discordant results occurred, specimens undergoing the STANDARD M10 were retested with the Allplex to exclude specimen variations. Retest results replaced initial results of the Allplex. Clinical performance of STANDARD M10 was compared with Allplex. The study enrolled 1971 patients. COVID-19 prevalence was 6.2% based on the Allplex. Compared with the Allplex, overall agreement, positive percent agreement, and negative percent agreement of STANDARD M10 were 99.5% (95% CI: 99.1%-99.8%), 95.9% (95% CI: 90.8%-98.3%), and 99.8% (95% CI: 99.4%-99.9%), respectively. Nine discordant results were all positive on droplet digital PCR, except for one specimen that was positive with STANDARD M10. The STANDARD M10 showed reliable diagnostic performance for detecting SARS-CoV-2 from patients visiting in emergency departments and is a useful tool in emergency healthcare systems because of its easy-to-use cartridge-based assay and short resulting time for detecting SARS-CoV-2.
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COVID-19 , SARS-CoV-2 , Humanos , Reação em Cadeia da Polimerase Via Transcriptase Reversa , SARS-CoV-2/genética , COVID-19/diagnóstico , Reação em Cadeia da Polimerase , Serviço Hospitalar de Emergência , Teste para COVID-19RESUMO
BACKGROUND: Rapid screening for severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) was important in the emergency department during the coronavirus disease 2019 (COVID-19) pandemic. Real-time polymerase chain reaction (RT-PCR) is the standard method for detecting SARS-CoV-2, but it requires several hours to provide results. Instead, the rapid antigen test (RAT) has a short turnaround time and can be used at the bedside but shows low sensitivity. To overcome these shortcomings, the clinical utility of stepwise testing of RAT with RT-PCR in the emergency department was analyzed. METHODS: Patients who underwent SARS-CoV-2 RAT (SD Biosensor or Abbott) and RT-PCR (Seegene Allplex or GeneXpert) testing simultaneously at the emergency department in South Korea from January 2021 to March 2022 were enrolled. We compared the performance status of RAT with that of RT-PCR and evaluated the clinical utility of RAT as a screening tool for patients visiting the emergency department. RESULTS: A total of 7,574 patients were included. The overall prevalence of COVID-19 was 1.9% (146/7,574). The sensitivity and specificity of the RAT were 69.2% and 99.9%, respectively, and the positive and negative predictive values were 96.2% and 99.4%, respectively. Based on the cycle threshold (Ct) of the E gene, the sensitivity was 86.0% in patients with Ct < 26, but the sensitivity was 9.3% in patients with Ct ≥ 26. CONCLUSIONS: In the COVID-19 pandemic, RAT can be used as supplement test for the screening strategy using RT-PCR in the emergency department because it is rapid, highly specific, and relatively sensitive in patients with high viral load.
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COVID-19 , SARS-CoV-2 , Humanos , COVID-19/diagnóstico , Pandemias , Testes Imunológicos , Serviço Hospitalar de Emergência , Sensibilidade e EspecificidadeRESUMO
BACKGROUND: The emergence of next-generation sequencing (NGS) is currently leading the diagnosis of acute myeloid leukemia (AML) and its treatment using a more genetic-level approach. The study aimed to find clinical and prognostic correlations with genomic mutation profiles in Korean patients with AML using NGS. METHODS: This retrospective study enrolled a total of 30 patients who were newly diagnosed with AML from February 2021 to October 2022 in Korea. NGS was used to identify the genetic profiles of 40 genes relevant to AML. The clinical and laboratory data of the patients were analyzed with their genomic mutation profiles. RESULTS: NGS revealed at least one mutation in all patients, with a range of one to seven mutations (median of three mutations). Mutations were commonly associated with TET2, CEBPA, RUNX1, FLT3, IDH2, NPM1, and SRSF2 genes. The TET2 mutation correlated with older (77 vs. 72) patients, and the FLT3 mutation was associated with a higher WBC count (33.4 x 109/L vs. 6.4 x 109/L). The RUNX1 mutation correlated with a lower (44.0 x 109/L vs. 65.5 x 109/L) platelet count, and the NPM1 mutation showed a higher number of blasts in peripheral blood (56.5% vs. 13.0%). Among 16 patients who received induction chemotherapy, mutations in SRSF2, ASXL1, PHF6, SF3B1, and PTPN11 were detected only in patients who failed to achieve complete remission (CR). Meanwhile, mutations in NRAS, TP53, IKZF1, DNMT3A, SH2B3, U2AF1, and WT1 were detected in patients who achieved CR. CONCLUSIONS: Clinical and prognostic correlations were observed according to genomic mutation profiles detected by NGS in Korean patients with AML. An NGS study with a larger cohort of patients would be beneficial to establish the significant prognostic impact on patients with AML.
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Subunidade alfa 2 de Fator de Ligação ao Core , Leucemia Mieloide Aguda , Humanos , Subunidade alfa 2 de Fator de Ligação ao Core/genética , Nucleofosmina , Estudos Retrospectivos , Perfil Genético , Leucemia Mieloide Aguda/diagnóstico , Leucemia Mieloide Aguda/genética , Prognóstico , Mutação , Genômica , República da CoreiaRESUMO
Rationale: Although inflammation and infection are key disease drivers in bronchiectasis, few studies have integrated host inflammatory and microbiome data to guide precision medicine. Objectives: To identify clusters among patients with bronchiectasis on the basis of inflammatory markers and to assess the association between inflammatory endotypes, microbiome characteristics, and exacerbation risk. Methods: Patients with stable bronchiectasis were enrolled at three European centers, and cluster analysis was used to stratify the patients according to the levels of 33 sputum and serum inflammatory markers. Clusters were compared in terms of microbiome composition (16S ribosomal RNA sequencing) and exacerbation risk over a 12-month follow-up. Measurements and Main Results: A total of 199 patients were enrolled (109 [54.8%] female; median age, 69 yr). Four clusters of patients were defined according to their inflammatory profiles: cluster 1, milder neutrophilic inflammation; cluster 2, mixed-neutrophilic and type 2; cluster 3, most severe neutrophilic; and cluster 4, mixed-epithelial and type 2. Lower microbiome diversity was associated with more severe inflammatory clusters (P < 0.001), and ß-diversity analysis demonstrated distinct microbiome profiles associated with each inflammatory cluster (P = 0.001). Proteobacteria and Pseudomonas at phylum and genus levels, respectively, were more enriched in clusters 2 and 3 than in clusters 1 and 4. Furthermore, patients in cluster 2 (rate ratio [RR], 1.49; 95% confidence interval [CI], 1.16-1.92) and cluster 3 (RR, 1.61; 95% CI, 1.12-2.32) were at higher risk of exacerbation over a 12-month follow-up compared with cluster 1, even after adjustment for prior exacerbation history. Conclusions: Bronchiectasis inflammatory endotypes are associated with distinct microbiome profiles and future exacerbation risk.
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Bronquiectasia , Humanos , Feminino , Idoso , Masculino , Bronquiectasia/microbiologia , Biomarcadores , Escarro/microbiologia , Inflamação , Estudos de CoortesRESUMO
OBJECTIVE: To examine the association between lifestyle factors and suicide-related outcomes. METHODS: Data from the Korea National Health and Nutrition Examination Survey in 2015 and 2017 were used. We identified lifestyle factors including smoking, physical activity, alcohol intake, and the Healthy Eating Index (HEI) in 9529 eligible subjects. We analyzed the risk of suicidal ideation, plan, attempt, and the composite of suicidality within the past year according to the lifestyle factors. In addition, stratified analyses were performed according to the diagnostic history of depression. RESULTS: Compared to never-smokers, ex-smokers and current smokers showed an increased risk of suicidal ideation, suicidal plan, and the composite of suicidality. Compared to the low HEI group, those with the highest HEI showed a decreased risk of suicide ideation and the composite of suicidality. Among those with depression, the increased risk of suicide-related outcomes from smoking was more prominent and heavy drinking was associated with an increased risk of suicide attempts. CONCLUSION: Smoking and heavy drinking were associated with an increased risk of suicide-related outcomes, but high-quality diets and non-heavy drinking were associated with a decreased risk. In people with depression, the associations between lifestyle factors and suicide-related outcomes were stronger than in those without depression.
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Ideação Suicida , Tentativa de Suicídio , Humanos , Inquéritos Nutricionais , Fatores de Risco , Estilo de VidaRESUMO
BACKGROUND: A biological injectable material, paste-type micronized acellular dermal matrix (ADM), has been proven effective in wound healing by filling defects through tissue replacement. This study aimed to compare the efficacy of paste-type micronized ADM on soft tissue augmentation with that of the conventional fillers in animal experiments. METHODS: Two distinct paste-type micronized ADMs, which were mixed with distilled water (mADM) and gelatin (mADM+GEL), respectively, were compared with conventional fillers, hyaluronic acid (HA) and polymethyl methacrylate (COL+PMMA). Thus, four different types of fillers were each injected into the dorsum of nude mice to compare the volume retention and biocompatibility. During the 8-week experimental period, ultrasound and computed tomography (CT) images were obtained for volumetric analysis. Histological evaluation was performed using hematoxylin and eosin and CD 31 staining. RESULTS: According to the CT images at week 8, the mADM and mADM+GEL showed a higher volume persistence rate of 113.54% and 51.12%, compared with 85.09% and 17.65% for HA and COL+PMMA, respectively. The 2-week interval ultrasound images revealed that the mADM showed a volume increase in width rather than in height, and an increase in height for HA did not vary much. Histological analysis showed marked fibrous invasion and neovascularization with the mADM and mADM+GEL compared to that of the conventional fillers. CONCLUSIONS: Paste-type micronized ADM showed soft tissue augmentation with similar effectiveness to that of conventional fillers. Therefore, paste-type micronized ADM has potential as an alternative material for a soft tissue filler in tissue replacement. NO LEVEL ASSIGNED: This journal requires that authors assign a level of evidence to each submission to which Evidence-Based Medicine rankings are applicable. This excludes Review Articles, Book Reviews, and manuscripts that concern Basic Science, Animal Studies, Cadaver Studies, and Experimental Studies. For a full description of these Evidence-Based Medicine ratings, please refer to the Table of Contents or the online Instructions to Authors www.springer.com/00266 .
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Derme Acelular , Preenchedores Dérmicos , Animais , Camundongos , Polimetil Metacrilato/farmacologia , Camundongos Nus , Cicatrização , Preenchedores Dérmicos/farmacologiaRESUMO
As the elderly population increases due to an aging society, the number of patients with catheters is increasing, and treatment for urinary infections is needed. The current study analyzed the effectiveness of fosfomycin, the primary antibiotic used to treat urinary tract infections (UTIs), in these patients. Patients who received fosfomycin as the primary antibiotic for a UTI were selected, and the results of urine tests and cultures before and after fosfomycin administration were compared and analyzed. The degree of UTI in patients with a catheter was found to be more severe (p = 0.020), and the infecting strains were found to be different depending on whether a catheter was present (p = 0.014). There was a difference in the treatment success rate depending on whether or not a catheter was present (53.6% vs. 70.4%), but it was found that the treatment rate was more than 50% regardless of whether a catheter was present. The bacterial type, as well as the treatment rate based on the bacterium, differed depending on the presence of a catheter. Fosfomycin has a success rate of more than 50%, even in patients with catheters; therefore, it can be considered the primary antibiotic for treating UTIs.
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BACKGROUND: Older patients with breast cancer have good prognosis and most die from diseases other than breast cancer. Previous studies suggested that the surgical extent in older patients could be reduced. We aimed to compare survival outcomes in patients aged ≥70 years with clinically node-negative breast cancer, based on whether axillary surgery was performed. METHODS: A total of 2,995 patients with breast cancer aged ≥70 years who underwent breast surgery were included in the Korean Breast Cancer Registry. Patients were classified into two groups according to the performance of axillary surgery. We used propensity score matching for demographic and treatment factors to minimize selection bias. We compared the 5-year overall survival (OS) and breast cancer-specific survival (BCSS). RESULTS: Among 708 patients after 3:1 propensity score matching, 531 underwent breast surgery with axillary surgery and 177 underwent breast surgery alone. Of all patients, 51.7% had T1 stage, and 73.2% underwent mastectomy. Approximately 31.2% of patients received chemotherapy. Among patients who did not undergo axillary surgery, the 5-year OS and BCSS rates were 85.2% and 96.7%, respectively. The hazard ratio of axillary surgery for OS was 0.943 (95% confidence interval 0.652-1.365, p = 0.757), indicating no significant difference between two groups. CONCLUSIONS: Our study demonstrates that axillary surgery in a matched cohort of older patients with breast cancer and clinically negative nodes does not provide a survival benefit compared to patients undergoing breast surgery alone. These findings suggest that axillary surgery may be safely omitted in a select group of patients aged ≥70 years with clinically node-negative cancer. Further studies are needed to identify potential candidates for omitting axillary surgery.
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Neoplasias da Mama , Humanos , Idoso , Feminino , Neoplasias da Mama/cirurgia , Mastectomia , Excisão de Linfonodo , Axila , Modelos de Riscos ProporcionaisRESUMO
BACKGROUND: No validated tool is available to assess patients' perception of physician empathy in Korea. The objective of this study was to establish a Korean version of the Consultation and Relational Empathy (CARE) measure-originally developed in English and widely used internationally-and to examine its reliability and validity. METHODS: The CARE measure was translated into Korean and tested on 240 patients from one secondary care hospital and one tertiary care hospital in Korea. Internal consistency by Cronbach's alpha, exploratory analysis, and confirmatory factor analysis were conducted to verify the 10 items of the Korean CARE measure. RESULTS: The Korean CARE measure demonstrated high acceptability and face validity, excellent internal reliability (Cronbach's alpha = 0.97) and moderate test-retest reliability (Pearson correlation coefficient = 0.53; Spearman correlation coefficient = 0.51). Distribution of scores showed negative skewedness. Corrected item-total correlations ranged from 0.77-0.92, indicating homogeneity. The Kaiser-Meyer-Olkin measure of sampling adequacy was 0.949, and Bartlett's test of sphericity was good (χ2 = 3157.11, P < 0.001). Factor analysis yielded a single dimensional structure of physician empathy with all factor loadings exceeding 0.80 and showing excellent goodness of fit. CONCLUSION: This study supports the reliability and validity of the Korean CARE measure in a university hospital setting in Korea.
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Empatia , Encaminhamento e Consulta , Humanos , Psicometria , Reprodutibilidade dos Testes , República da Coreia , Inquéritos e QuestionáriosRESUMO
BACKGROUND: Physiological deterioration (aging, poor dental status, and reduced tongue pressure) makes chewing difficult. This study aimed to investigate the chewing patterns of older people with or without dentures, evaluate the textural and masticatory properties of texture-modified radish Kimchi, and investigate the correlation between dental status and tongue pressure. Additionally, differences in the subjective-objective concordance of texture-modified Kimchi were investigated using the preference test. METHODS: This study included 32 Korean women aged between 65 and 85 years. Masticatory behavior was recorded by electromyography, and tongue pressure was measured using the Iowa Oral Performance Instrument. A preference test, with hardness as the relevant textural property, determined the participants' preferences among the test samples (food with a homogeneous structure-radish Kimchi). To assess preference differences, a questionnaire suitable for older people was designed. The preference for cooked radish Kimchi with various blanching times based on overall acceptability and self-reporting of preference was investigated to develop elderly-friendly food. The subjective scores indicated whether the sample (radish Kimchi) was hard or soft based on the chewing ability of the participants. Dental status, muscle activities, and tongue pressure were considered for the food design with optimized texture. The relationship between subject score and mastication properties were examined using multiple regression analysis. RESULTS: The number of chews and chewing time increased with hardness, significantly activating the masseter and temporalis muscles. The evaluation of masseter muscle activity, particularly for level-6 radish Kimchi, showed that older people with complete dentures chewed less actively than those with natural teeth (p < 0.05). The older people with natural teeth (18.94 ± 10.27 kPa) exhibited higher tongue pressure than those with complete dentures (10.81 ± 62.93 kPa), and the difference was statistically significant (p < 0.01). Older people preferred food with familiar tastes and textures. An association was found between the subjective hardness score and the objective hardness level. The perceived hardness intensity was linked to the chewing ability of the participant. Denture wearers exhibited a lower chewing ability, and at level 6, they perceived greater hardness of food than those with natural teeth. CONCLUSIONS: Developing food with a modified texture can bridge the gap between physiological and psychological aspects of food texture; texture-modified radish Kimchi, with limited blanching time, may be favorable for older people.
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Mastigação , Língua , Idoso , Idoso de 80 Anos ou mais , Feminino , Alimentos , Humanos , Músculo Masseter , Mastigação/fisiologia , PressãoRESUMO
Purpose: This study aimed to develop and validate an automatic segmentation algorithm for the boundary delineation of ten wrist bones, consisting of eight carpal and two distal forearm bones, using a convolutional neural network (CNN). Methods: We performed a retrospective study using adult wrist radiographs. We labeled the ground truth masking of wrist bones, and propose that the Fine Mask R-CNN consisted of wrist regions of interest (ROI) using a Single-Shot Multibox Detector (SSD) and segmentation via Mask R-CNN, plus the extended mask head. The primary outcome was an improvement in the prediction of delineation via the network combined with ground truth masking, and this was compared between two networks through five-fold validations. Results: In total, 702 images were labeled for the segmentation of ten wrist bones. The overall performance (mean (SD] of Dice coefficient) of the auto-segmentation of the ten wrist bones improved from 0.93 (0.01) using Mask R-CNN to 0.95 (0.01) using Fine Mask R-CNN (p < 0.001). The values of each wrist bone were higher when using the Fine Mask R-CNN than when using the alternative (all p < 0.001). The value derived for the distal radius was the highest, and that for the trapezoid was the lowest in both networks. Conclusion: Our proposed Fine Mask R-CNN model achieved good performance in the automatic segmentation of ten overlapping wrist bones derived from adult wrist radiographs.
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The potential cancer risk associated with long-term exposure to angiotensin receptor blockers (ARBs) is still unclear. We assessed the risk of incident cancer among hypertensive patients who were treated with ARBs compared with patients exposed to angiotensin-converting enzyme inhibitors (ACEIs), which are known to have a neutral effect on cancer development. Using the Korean National Health Insurance Service database, we analyzed the data of patients diagnosed with essential hypertension from January 2005 to December 2012 who were aged ≥40 years, initially free of cancer, and were prescribed either ACEI or ARB (n = 293,962). Cox proportional hazard model adjusted for covariates was used to evaluate the risk of incident cancer. During a mean follow-up of 10 years, 24,610 incident cancers were observed. ARB use was associated with a decreased risk of overall cancer compared with ACEI use (hazard ratio [HR] 0.76, 95% confidence interval [CI] 0.72-0.80). Similar results were obtained for lung (HR 0.73, 95% CI 0.64-0.82), hepatic (HR 0.56, 95% CI 0.48-0.65), and gastric cancers (HR 0.74, 95% CI 0.66-0.83). Regardless of the subgroup, greater reduction of cancer risk was seen among patients treated with ARB than that among patients treated with ACEIs. Particularly, the decreased risk of cancer among ARB users was more prominent among males and heavy drinkers (interaction P < .005). Dose-response analyses demonstrated a gradual decrease in risk with prolonged ARB therapy than that with ACEI use. In conclusion, ARB use was associated with a decreased risk of overall cancer and several site-specific cancers.
Assuntos
Hipertensão , Neoplasias , Antagonistas de Receptores de Angiotensina/uso terapêutico , Inibidores da Enzima Conversora de Angiotensina/uso terapêutico , Estudos de Coortes , Humanos , Hipertensão/tratamento farmacológico , Hipertensão/epidemiologia , Masculino , Neoplasias/epidemiologia , Neoplasias/prevenção & controle , República da Coreia/epidemiologiaRESUMO
BACKGROUND/AIMS: The economic burden for gastroesophageal reflux disease (GERD) has recently increased in Asian countries. This study investigates the cost-effectiveness between anti-reflux surgery and medication, with proton pump inhibitors (PPIs) for GERD in Korea. METHODS: We used a decision tree and Markov model to obtain the costs and quality-adjusted life years (QALYs) of the surgical and medical strategies. Our target cohort was the severe GERD patients aged 50 years old who required a continuous double dose of PPIs. The time horizon was 10 years and all estimates were discounted at 5% per year. The incremental cost-effectiveness ratio of the anti-reflux surgery compared with medication with PPIs was calculated. Sensitivity analyses were performed on all relevant variables. RESULTS: The cost-utility analysis indicated anti-reflux surgery was more cost-effective than medication among severe GERD patients over a 10-year period. The model predicted that the surgical strategy had a cost savings of $551 and the QALYs had a gain of 1.18 as compared with the medical strategy. The break-even point in costs of the anti-reflux surgery over the medication was estimated to be 9 years. Sensitivity analyses using the varying parameter assumptions demonstrated the robustness of the study results. CONCLUSIONS: This study showed anti-reflux surgery was less expensive and more effective therapy over the PPI medication after 9 years of follow-up. This suggests the surgical strategy is a cost-effective alternative to PPI medication among patients who need long-term management for GERD in Korea.