Nevin Manimala

J Cancer Educ. 2021 Feb 27. doi: 10.1007/s13187-021-01970-y. Online ahead of print.

ABSTRACT

Men, particularly those of underserved groups, bear a disproportionate cancer burden. Knowledge about cancer and screening is associated with adherence to screening guidelines. However it is possible that a correlation exists between an individual’s education attainment and ability to gain knowledge from health education. Men were recruited from Ohio counties with significant cancer disparities and asked to participate in three education sessions. Measures included a baseline survey collecting demographic information and pre- and post-intervention knowledge assessments about each of the topics. Paired t tests were used to determine whether there were statistically significant changes in mean scores after the intervention. Repeated measures of variance (ANOVA) conducted through generalized linear models (GLM) were used to determine if scores varied significantly by educational attainment. Appalachian men, regardless of level of educational attainment, had significant increases in knowledge for all topics. African American men with at least some college education demonstrated significant increases in knowledge for all three topics, while those with no college education had significant increases for only two topics. College education had a significant effect on scores for one topic among the Appalachian men and all three topics among the African American men. The interaction between change in score and higher educational attainment was significant for only one topic among Appalachian men and no topics among African American men. Higher educational attainment was associated with greater increases in knowledge scores for only one topic among Appalachian men and no topics among African American men. Culturally tailored health educational interventions are a promising approach to reducing disparities in cancer screening and outcomes among men of underserved groups. While all groups demonstrated increases in mean knowledge scores after participating in the educational intervention, there was not a significant association between educational attainment and increases in knowledge scores. Future research is needed to explore additional approaches to delivering health education and increasing the knowledge of men with lower levels of educational attainment.

PMID:33638816 | DOI:10.1007/s13187-021-01970-y

Environ Sci Pollut Res Int. 2021 Feb 27. doi: 10.1007/s11356-021-13086-3. Online ahead of print.

ABSTRACT

The performance comparison studies of the autoregressive integrated moving average model (ARIMA) and the artificial neural network (ANN) were mostly carried out between the selected model structures through trial-and-error, strongly influenced by model structure uncertainty. This research aims to make up for this inadequacy. First, a surface water quality prediction case study including eight monitoring sites in China was introduced. Second, the ARIMA and ANN’s performance was compared statistically between 6912 Seasonal ARIMA (SARIMA) and 110,592 feedforward ANN with different model structures, based on the mean square error (MSE) distributions depicted by boxplots. In a statistical view, the ANN models obtained a significantly lower median value and a more concentrated distribution of validation MSEs, which indicated lighter overfitting and better generalization ability. Furthermore, the optimal SARIMA models’ performance is inferior to even the median of the ANN models in the case study. In contrast with the previous comparisons among selected models, the statistical comparison in this study shows lower uncertainty.

PMID:33638784 | DOI:10.1007/s11356-021-13086-3

Neuroradiology. 2021 Feb 27. doi: 10.1007/s00234-021-02678-y. Online ahead of print.

ABSTRACT

PURPOSE: Tubercular meningitis (TBM) has the propensity to cause secondary vasculitis through various mechanisms leading to development of cerebrovascular complications. These vascular involvements can be detected by vessel wall imaging (VWI). In this study, we aimed to study detailed findings of vessel wall imaging in cases of tubercular meningitis.

METHODS: All consecutive patients of suspected tubercular meningitis in whom diagnosis of TBM could be made according to diagnostic criteria given by Ahuja et al. were included in the study. High-resolution MR VWI and time of flight (TOF) magnetic resonance angiography (MRA) were done along with routine MRI sequences. Arteries up to second-order branches were studied, and statistical analyses were done with respect to stage of tubercular meningitis, infarctions and TOF MRA findings.

RESULTS: Out of all 101 cases of TBM, infarctions were found in 49 cases (48.5%), and vessel wall enhancement was seen in 67 cases (66.3%). With increasing severity of disease, more severe vascular involvement was seen on VWI. There was significant association between enhancement of individual arteries and infarctions in their territories. VWI had better sensitivity than the MRA, while MRA had better specificity than VWI for detection of vascular complications.

CONCLUSION: Tubercular vasculitis can be detected by VWI in the form of nodular or smooth segmental enhancement of vessel wall with or without stenosis. Incorporation of VWI in routine MR imaging can play a greater role in early detection and management of cerebrovascular complications which can help to improve prognosis of the disease.

PMID:33638692 | DOI:10.1007/s00234-021-02678-y

J Neurol. 2021 Feb 27. doi: 10.1007/s00415-021-10485-x. Online ahead of print.

ABSTRACT

OBJECTIVES: To evaluate, in a prospective study, high-resolution ultrasound (HRUS) changes of nerve segments in chronic inflammatory demyelinating polyradiculoneuropathy (CIDP) and their relationships with clinical and electrodiagnostic (EDX) characteristics.

METHODS: Twenty-three consecutive patients with CIDP were included in a 3-year follow-up (FU) study. Each patient underwent neurologic examination, EDX and HRUS study. HRUS was performed on median, ulnar and peroneal nerves, yielding a total of 319 scanned nerve segments. INCAT and MRC-sum scores, motor nerve conduction velocity (NCV), compound muscle action potential (cMAP) amplitude, and nerve cross-sectional area (NCSA) were collected at baseline and at FU end, and were used for statistical analysis. Twenty-two healthy individuals, matched to patients for age and BMI, served as controls.

RESULTS: NCSA was higher in patients than in controls (p < 0.0001) and showed significant direct correlation with disease severity, and inverse correlation with NCV and cMAP amplitude, both at baseline and at FU end. Disease duration, clinical scores and EDX were predictors of NCSA enlargement at both time points. During FU, NCSA increased in 51% of nerve segments (p = 0.006), in correlation with INCAT increase and with NCV and cMAP reduction. Considering EDX changes in subgroups that reflect the different types of nerve damage, NCSA significantly increased in those nerve segments that from normal EDX switched to prevalent myelinopathic EDX characteristics.

CONCLUSIONS: Peripheral nerve size tends to increase over time in patients with CIDP, in correlation with clinical and EDX changes, in particular in those nerve segments that undergo a predominantly demyelinating damage.

PMID:33638679 | DOI:10.1007/s00415-021-10485-x

Soc Psychiatry Psychiatr Epidemiol. 2021 Feb 27. doi: 10.1007/s00127-021-02045-5. Online ahead of print.

ABSTRACT

BACKGROUND: Homelessness is linked to poor mental health and an increased likelihood of offending. People often lose accommodation when they enter prison and struggle to find accommodation upon release leading to an increased likelihood of relapse and reoffending. The RESET intervention was developed to support prisoners with mental health needs for 12 weeks after release to coordinate their transition into the community and obtaining secure housing.

METHODS: The primary objective of the study was to assess the participants housing situation. A prospective cohort design followed up 62 prisoners with mental health needs for 9 months post-release. Data were collected at three time points regarding accommodation, reoffending and contact and engagement with services. Inferential statistics using Chi-squared tests and t tests were used to examine differences in scores between the two groups at each time point.

RESULTS: The RESET group was significantly more likely to have secure housing at all three time points being housed for approximately twice as many days than the comparison group (244 vs 129 days at 9 months: p ≤ 0.01). The RESET group also had a significantly greater level of contact with GPs and significantly more received benefits at all three time points.

CONCLUSION: This is the first study to focus on reducing homeless for recently released prisoners with mental health needs. The RESET intervention was successful in achieving its main objective; accommodating participants in permanent housing and reducing homelessness. There was also an association between receiving the intervention and greater engagement with other services. This supports the view that secure housing is important in ensuring a positive transition from prison to the community for prisoners with mental health needs.

PMID:33638649 | DOI:10.1007/s00127-021-02045-5

Brain Behav. 2021 Feb 27:e01997. doi: 10.1002/brb3.1997. Online ahead of print.

ABSTRACT

A meta-analysis was performed to examine therapeutic effects of Silexan on somatic symptoms, including insomnia/fatigue, and physical health in patients with anxiety disorders. Five randomized, placebo-controlled trials were included in this analysis: The efficacy of Silexan (80 mg/day) was investigated in patients with subthreshold anxiety disorders (three trials) and in patients with generalized anxiety disorder (two trials). Silexan was superior to placebo in terms of the mean change from baseline in the Hamilton Anxiety Rating Scale (HAMA) subscore somatic anxiety at week 10 with a standardized mean difference of -0.31 [95% Cl: -0.52 to -0.10, p = .004]. Treatment effects of silexan on somatic anxiety were independent of gender and age. Statistically significant differences were also shown for single HAMA items somatic muscular, cardiovascular, respiratory, and genitourinary symptoms, indicating clinical relevance with small to medium effects of Silexan. Similar clinically meaningful effects of Silexan on SF-36 physical health, including reduced bodily pain and improved general health, and on insomnia complaints and fatigue, were demonstrated. In this meta-analysis including all placebo-controlled clinical trials in patients with anxiety disorders to date, statistically significant and clinically meaningful advantages of Silexan over placebo treatment were found in improving somatic symptoms and physical health.

PMID:33638614 | DOI:10.1002/brb3.1997

Am J Med Genet A. 2021 Feb 27. doi: 10.1002/ajmg.a.62142. Online ahead of print.

ABSTRACT

The aim of this study was to estimate the childhood prevalence of achondroplasia, trends over time in birth prevalence, and age at diagnosis in Australia. Children born between 1990 and 2019 with a clinical and radiological and/or molecular diagnosis of achondroplasia were identified from a tertiary hospital servicing New South Wales (NSW) and the Australian Capital Territory (ACT) and compared with population data from the Australian Bureau of Statistics. Childhood prevalence of achondroplasia, based on children ≤19 years of age and resident in NSW/ACT on June 30, 2019 (n = 109), was 5.2 per 100,000. A total of 127 individuals with achondroplasia were born in 1990-2019 in NSW/ACT. Birth prevalence rates increased across birth decades, from 3.3 per 100,000 live births in 1990-1999 to 5.3 per 100,000 in 2010-2019 (p < 0.0001). Median age at diagnosis decreased to 17 days in 2010-2019 compared with 30 days in 1990-1999 (p = 0.035), although the overall decreasing trend across consecutive decades did not reach statistical significance. This is the first study to show a rising birth prevalence rate for achondroplasia in Australia with a concurrent decreasing age at diagnosis, both of which were statistically significant after 2 decades.

PMID:33638607 | DOI:10.1002/ajmg.a.62142

J Magn Reson Imaging. 2021 Feb 27. doi: 10.1002/jmri.27570. Online ahead of print.

ABSTRACT

BACKGROUND: The reported diagnostic performance for hepatocellular carcinoma (HCC) of each major imaging feature on MRI using standardized definitions of the Liver Imaging Reporting and Data System (LI-RADS) is variable. It is important to know the actual performance of each LI-RADS major imaging feature for imaging diagnosis of HCC and determine the sources of heterogeneity between the reported results.

PURPOSE: To systematically determine the performance of each major imaging feature of LI-RADS for diagnosing HCC using either extracellular contrast agent-enhanced MRI (ECA-MRI) or gadoxetate disodium-enhanced MRI (EOB-MRI).

STUDY TYPE: Systematic review and meta-analysis.

SUBJECTS: Sixteen original articles with 3542 lesions.

FIELD STRENGTH: A 1.5 T and 3.0 T.

ASSESSMENT: Data extraction was independently performed by two reviewers who identified and reviewed original articles reporting the diagnostic performance of each LI-RADS major imaging feature-arterial phase hyperenhancement (APHE), observation size, washout appearance, enhancing “capsule,” and threshold growth-using MRI. Study characteristics, study population characteristics, MRI characteristics, contrast agent, LI-RADS version, reference standards, and study outcomes were extracted from included studies. Risk of bias and concerns regarding applicability were evaluated using the Quality Assessment of Diagnostic Accuracy Studies-2 tool.

STATISTICAL TESTS: Bivariate random-effects models were used to obtain summary estimates of the diagnostic performance of each LI-RADS major imaging feature. Hierarchical summary receiver operating characteristic curves were plotted. Meta-regression analyses were performed to explore potential sources of heterogeneity.

RESULTS: The pooled per-observation sensitivities and specificities for diagnosing HCC were 85% (95% confidence interval [CI] = 78%-89%) and 57% (95% CI = 44%-70%) for arterial phase hyperenhancement (APHE), 77% (95% CI = 72%-82%), and 74% (95% CI = 63%-83%) for washout appearance, and 52% (95% CI = 41%-64%) and 90% (95% CI = 85%-94%) for enhancing “capsule,” respectively.

DATA CONCLUSIONS: Among the LI-RADS major features, the sensitivity was the highest for APHE and the specificity was the highest for enhancing “capsule” in the diagnosis of HCC.

EVIDENCE LEVEL: 3 TECHNICAL EFFICACY: Stage 2.

PMID:33638582 | DOI:10.1002/jmri.27570

J Magn Reson Imaging. 2021 Feb 27. doi: 10.1002/jmri.27579. Online ahead of print.

ABSTRACT

BACKGROUND: Preoperative prediction of epidermal growth factor receptor (EGFR) mutation status in patients with spinal bone metastases (SBM) from primary lung adenocarcinoma is potentially important for treatment decisions.

PURPOSE: To develop and validate multiparametric magnetic resonance imaging (MRI)-based radiomics methods for preoperative prediction of EGFR mutation based on MRI of SBM.

STUDY TYPE: Retrospective.

POPULATION: A total of 97 preoperative patients with lumbar SBM from lung adenocarcinoma (77 in training set and 20 in validation set).

FIELD STRENGTH/SEQUENCE: T1-weighted, T2-weighted, and T2-weighted fat-suppressed fast spin echo sequences at 3.0 T.

ASSESSMENT: Radiomics handcrafted and deep learning-based features were extracted and selected from each MRI sequence. The abilities of the features to predict EGFR mutation status were analyzed and compared. A radiomics nomogram was constructed integrating the selected features.

STATISTICAL TESTS: The Mann-Whitney U test and χ² test were employed for evaluating associations between clinical characteristics and EGFR mutation status for continuous and discrete variables, respectively. Least absolute shrinkage and selection operator was used for selection of predictive features. Sensitivity (SEN), specificity (SPE), and area under the receiver operating characteristic curve (AUC) were used to evaluate the ability of radiomics models to predict the EGFR mutation. Calibration and decision curve analysis (DCA) were performed to assess and validate nomogram results.

RESULTS: The radiomics signature comprised five handcrafted and one deep learning-based features and achieved good performance for predicting EGFR mutation status, with AUCs of 0.891 (95% confidence interval [CI], 0.820-0.962, SEN = 0.913, SPE = 0.710) in the training group and 0.771 (95% CI, 0.551-0.991, SEN = 0.750, SPE = 0.875) in the validation group. DCA confirmed the potential clinical usefulness of the radiomics models.

DATA CONCLUSION: Multiparametric MRI-based radiomics is potentially clinical valuable for predicting EGFR mutation status in patients with SBM from lung adenocarcinoma.

LEVEL OF EVIDENCE: 3 TECHNICAL EFFICACY: 2.

PMID:33638577 | DOI:10.1002/jmri.27579

J Magn Reson Imaging. 2021 Feb 27. doi: 10.1002/jmri.27576. Online ahead of print.

ABSTRACT

BACKGROUND: Carotid vulnerable plaque is a major cause of stroke and differs between men and women. Few studies have investigated the differences in carotid plaque features between sexes in a Chinese population.

PURPOSE: To compare carotid atherosclerotic plaque features between men and women in a Chinese population using magnetic resonance imaging.

STUDY TYPE: Cross-sectional.

SUBJECTS: A total of 567 patients (mean age: 61.5 ± 10.1 years; 404 men) who had recent stroke or transient ischemia attack and atherosclerotic plaque in at least one carotid artery.

FIELD STRENGTH: A 3.0 T.

SEQUENCE: T1- and T2-weighted turbo spin echo, three-dimensional time-of-flight (TOF) fast field echo and magnetization-prepared rapid acquisition gradient echo sequences.

ASSESSMENT: Plaque characteristics including lumen area (LA), wall area (WA), total vessel area (TVA), mean wall thickness (MWT), and mean normalized wall index (NWI); presence of calcification, lipid-rich necrotic core (LRNC), intraplaque hemorrhage (IPH), and fibrous cap rupture (FCR); and percent composition area (%area) were evaluated and compared between men and women.

STATISTICAL TESTS: Independent-sample t test, Mann-Whitney U test, chi-square test, and multiple linear and logistic regressions.

RESULTS: In symptomatic arteries, men had significantly greater LA (46.2 ± 15.6 mm² vs. 40.7 ± 12.9 mm² , P < 0.05), WA (33.9 ± 11.5 mm² vs. 26.3 ± 7.5 mm² , P < 0.05), and TVA (80.1 ± 20.4 mm² vs. 67.0 ± 18.0 mm² , P < 0.05); higher MWT (1.2 ± 0.4 mm vs. 1.0 ± 0.2 mm, P < 0.05); and higher prevalence of LRNC (72.3% vs. 46.0%, P < 0.05) and IPH (18.6% vs. 4.9%, P < 0.05) compared with women. In asymptomatic arteries, men had significantly greater LA (48.3 ± 16.9 mm² vs. 42.1 ± 12.6 mm² , P < 0.05), WA (32.9 ± 11.0 mm² vs. 25.8 ± 6.1 mm² , P < 0.05), and TVA (81.2 ± 22.1 mm² vs. 67.9 ± 16.5 mm² , P < 0.05); higher MWT (1.2 ± 0.3 mm vs. 1.0 ± 0.2 mm, P < 0.05); higher prevalence of LRNC (67.8% vs. 42.9%, P < 0.05), IPH (14.9% vs. 1.2%, P < 0.05), and FCR (6.4% vs. 1.2%, P < 0.05); and higher %LRNC area (24.8 ± 17.2% vs. 17.8 ± 14.1%, P < 0.05) compared with women.

DATA CONCLUSION: Men have similar plaque burden but more vulnerable atherosclerotic plaques compared with women in both symptomatic and asymptomatic carotid arteries in a Chinese population.

EVIDENCE LEVEL: 4 TECHNICAL EFFICACY: Stage 3.

PMID:33638575 | DOI:10.1002/jmri.27576