Background Resilience has been linked to psychological adaptation to many challenging life events. The present study aims to explore the level of resilience in oral cancer patients and the key factors associated with resilience, and to evaluate the relationship between resilience and anxiety. Methods A multiple center cross-sectional study was carried out for Chinese patients with oral cancer between May 2016 and October 2017 in the Stomatology Hospital of China Medical University and Department of Stomatology, Shengjing Hospital of China Medical University. Two hundred and thirty oral cancer patients replied to the questionnaires on resilience, hope, perceived social support, optimism, perceived stress and anxiety which were measured with Resilience Scale-14 (RS-14), Herth Hope Index (HHI), Multidimensional Scale of Perceived Social Support (MSPSS), Revised Life Orientation Test (LOT-R), Perceived Stress Scale-10 (PSS-10) and Zung Self-Rating Anxiety Scale (SAS), respectively. Univariate one-way ANOVA/t-test, Pearson’s r and hierarchical linear regression analysis were conducted to explore the influence factors of resilience and the relationship between resilience and anxiety. Results The level of resilience was 67.93 ± 12.65. Resilience was positively correlated with hope, optimism and perceived social support, and negatively correlated with perceived stress. Hierarchical linear regression analysis showed that hope (β = 0.386, P < 0.01), optimism (β = 0.190, P < 0.01) and education (β = 0.175, P < 0.01) were positively associated with resilience. The three variables in combination could explain 48.9% of the total variance in resilience. Higher level of resilience was associated less anxiety symptoms (X 2 = 39.216, p = 0.000); and there was linear trend between resilience level and anxiety level among patients with oral cancer (X 2 = 35.624, p = 0.000). Conclusion Patients with oral cancer in China had moderate level of resilience. Hope, optimism and education were positively and significantly associated with resilience, indicating that higher level of hope, optimism and education may improve resilience in oral cancer patients, which in turn may help alleviate anxiety symptoms in patients.
Phenolic foams reinforced with pristine and functionalized multiwalled carbon nanotubes (MWCNTs) were fabricated to develop fire‐resistant materials with improved mechanical properties. The influences of the contents of carboxyl multi‐walled carbon nanotubes (MWCNTs‐COOH) and of MWCNTs types on the compressive properties of the composite foams were investigated. The microstructure and detailed failure behavior of MWCNTs/phenolic composite foams were studied using scanning electron microscopy (SEM) and in situ quasistatic compression inside SEM, respectively. In addition, thermal performances were evaluated by thermogravimetric analysis (TGA) and vertical burning method. It is found that as heterogeneous nucleation agents, MWCNTs increase cell density and decrease cell size of the produced foams, and that as reinforcements located in cell walls, MWCNTs impart high strength and stiffness to brittle foams. Moreover, MWCNTs reinforced foams have higher thermal stability than raw foams and exhibit similar excellent resistance to flame, confirming the effectiveness of MWCNTs as stabilizers. © 2013 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 130: 1479–1488, 2013
Background: Anxiety and depression are common mental health problems among patients with cancer. While many psychological variables have been proven to influence anxiety and depressive symptoms, the variables are not mutually exclusive and their integrated effects on patients with oral cancer are yet unknown. The present study aims to explore the prevalence of anxiety and depressive symptoms among patients with oral cancer, to find out key potentially predictive factors associated with anxiety and depressive symptoms. Method: A cross-sectional study was carried out for Chinese patients with oral cancer between May 2016 and October 2017 in two Grade-A Tertiary Hospitals in Shenyang, China. Two hundred thirty patients with oral cancer were interviewed with questionnaires on demographic variables, Zung Self-Rating Anxiety Scale (SAS), Center for Epidemiologic Studies Depression Scale (CES-D), Herth Hope Index (HHI), Social Impact Scale, Multidimensional Scale of Perceived Social Support (MSPSS), Revised Life Orientation Test (LOT-R), Perceived Stress Scale-10 (PSS-10), and General Perceived Self-efficacy Scale(GSE). Chi-square test, nonparametric test, t-test and logistic regression analyses were conducted where appropriate to explore predictive factors of anxiety symptoms and depressive symptoms. Results: The prevalence of anxiety symptoms and depressive symptoms in the sample population was 36.96% (85/230) and 65.21% (150/230), respectively. Social isolation dimension of stigma (β = 0.436, OR = 1.547, CI:1.211~1.975), optimism (β = − 0.276, OR = 0.759, CI:0.624~0.922), and perceived stress (β = 0.217, OR = 1.243, CI:1.092~1.414) were predictors of anxiety symptoms. Marriage (β = 1.648, OR = 5.198, CI:1.427~18.924), positive readiness and expectancy dimension of hope (β = − 0.505, OR = 0.604, CI:0.395~0.923), social isolation dimension of stigma (β = 0.314, OR = 1.368, CI:1.054~1.776) and perceived stress (β = 0.273, OR = 1.314, CI:1.134~1.524) were predictors of depressive symptoms among oral cancer patients. Conclusion: The prevalence of anxiety symptoms and depressive symptoms was high among oral cancer patients in China. The communal predictors of anxiety and depressive symptoms in patients with oral cancer were levels of perceived stress and social isolation of stigma. In addition, optimism was a predictor of anxiety symptoms and hope was a predictor of depressive symptoms.
Background: The rapid spread of Coronavirus Disease-19 (COVID-19) infection has been the most important public health crisis across the globe since the end of 2019. Anxiety and depression are the most common mental health problems among people during the pandemic, and many studies have reported anxiety and depressive symptoms in college students. However, information on the mental health status of international medical students during this critical period of time has been scarce, which hinders the efforts in making proper policy or strategies to help these students. The present study aims to explore the prevalence of anxiety and depressive symptoms in international medical students in China and to find out the factors that have potential predictive value for anxiety and depressive symptoms.Method: A cross-sectional study was carried out for international medical students during November 2020 at China Medical University in Shenyang, China. Five hundred and nineteen international students were interviewed with questionnaires containing demographic variables, Stressors in school, Generalized Anxiety Disorder Assessment (GAD-7), Patient Health Questionnaire-9 (PHQ-9), Simplified Coping Style Questionnaire (SCSQ), Perceived Stress Scale (PSS-10), the Multidimensional Scale of Perceived Social Support (MSPSS), Revised Life Orientation Test (LOT-R) and Resilience Scale-14 (RS-14). Univariate logistic regression and stepwise multiple logistic regression analyses were conducted where appropriate to explore the predictive factors of anxiety symptoms and depressive symptoms.Results: The prevalence of anxiety symptoms and depressive symptoms in the sample population was 28.5% (148/519) and 31.6% (164/519), respectively. Stressors in school (β = 0.176, OR = 1.192, CI: 1.102–1.289), negative coping style (β = 0.639, OR = 1.894, CI: 1.287–2.788) and perceived stress (β = 0.230, OR = 1.258, CI: 1.184–1.337) were found to be the predictors of anxiety symptoms among the international medical students; while gender (β = −0.594, OR = 0.552, CI: 0.315–0.968), stay up late (β = 0.828, OR = 2.288, CI: 1.182–4.431), current place of residence (β = 1.082, OR = 2.951, CI: 1.256–6.931), stressors in the school (β = 0.303, OR = 1.354, CI: 1.266–1.496), negative coping style (β = 0.866, OR = 2.377, CI: 1.516–3.725), perceived stress (β = 0.233, OR = 1.262, CI: 1.180–1.351) were found to be predictors of depressive symptoms.Conclusion: The prevalence of anxiety symptoms and depressive symptoms was moderate among international medical students in China. The communal predictors of anxiety and depressive symptoms were stressors in school, negative coping style and perceived stress; while demographic factors such as gender (male), stay up late at night and current place of residence were found associated with depressive symptoms. These results suggest that proper stress management and specific interventions are needed to help students maintain their mental health during the COVID-19 pandemic period.
Background: There are no effective preoperative diagnostic measures to predict the probability of left and right recurrent laryngeal nerve (RLN) lymph node (LN) metastasis using preoperative clinical data in patients undergoing thoracolaparoscopic esophagectomy with cervical anastomosis. Methods:We retrospectively reviewed the clinical data of 1,660 consecutive patients with thoracic esophageal cancer who underwent esophagectomy with cervical anastomosis at the Department of Thoracic Surgery at the First Affiliated Hospital of Zhengzhou University between January 2015 and December 2020.Results: A total of 299 and 343 patients who underwent left (Cohort 1) and right (Cohort 2) RLN LN dissection were included in the final analyses. The analyses were conducted within each cohort. Among the 299 patients in Cohort 1, left RLN LN involvement was found in 41 patients (13.7%). A multivariable analysis showed that age, tumor location, and short axis were significantly associated with RLN LN metastasis (all P<0.05). Among the 343 patients in Cohort 2, right RLN LN involvement was found in 65 patients (19.0%). A multivariable analysis showed that computed tomography (CT) appearance, tumor location, long axis, and short axis were significantly associated with RLN LN metastasis (all P<0.05). Based on the results of the multivariable analyses, we constructed nomograms that could estimate the probability of RLN LN metastasis. Finally, we stratified the 2 cohorts into risk subgroups using a recursive partitioning analysis (RPA). The risk of left and right RLN LN metastasis was found to be 9.3% and 7.5%, 27.3% and 21.4%, and 52.4% and 47.3% for the low-risk, intermediate-risk, and high-risk groups, respectively.Conclusions: Our nomograms and RPAs appear to be suitable for the risk stratification of left and right RLN LN metastasis in patients undergoing thoracolaparoscopic esophagectomy with cervical anastomosis. This tool could be used to help clinicians to select more effective locoregional treatments, such as surgical protocols and radiation area selection.
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