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Nevin Manimala Statistics

The Short- and Long-Term Effect of Radical Cystectomy in Frail Patients With Bladder Cancer

Clin Genitourin Cancer. 2023 Mar 11:S1558-7673(23)00063-0. doi: 10.1016/j.clgc.2023.03.004. Online ahead of print.

ABSTRACT

BACKGROUND: Studies about perioperative complications and all-cause mortality in frail patients requiring radical cystectomy (RC) are scarce. We aimed to assess the short- and long-term effect of RC in frail patients with bladder cancer.

PATIENTS AND METHODS: We performed a retrospective, cohort study including patients who underwent open RC due to bladder cancer from November 2013 to June 2022. Patients were considered frail when they fulfilled one of the following criteria: i) age ≥ 75 years; ii) Charlson Comorbidity Index ≥ 9; iii) American Society of Anesthesiologists classification ≥ 4; or iv) Clinical Frailty Scale score ≥ 5. We evaluated all-cause mortality and complications in frail versus nonfrail patients. The effect of urinary diversion with ileal conduit versus ureterocutaneostomy in frail patients was also assessed via a Cox regression analysis.

RESULTS: Overall, 184 individuals underwent RC (95 frail and 89 nonfrail). A total of 130 patients (80%) presented at least one perioperative complication. This proportion was even higher among frail patients (86%). Similarly, severe perioperative complications were more common in frail patients based on the Clavien-Dindo classification (P = 0.044). Regarding disease progression and long-term complications, no statistically significant differences were observed between frail and nonfrail patients. The survival analysis with Kaplan-Meier curves demonstrated that the risk of death was increased in frail patients (log-rank test = 0.027). Based on the multivariate Cox regression analysis adjusting for major risk factors, urinary diversion with ureterocutaneostomy was significantly associated with increased mortality in frail patients compared to ileal conduit (Hazard Ratio: 3.5, 95% Confidence Interval: 1.3-9.4, P = 0.01).

CONCLUSIONS: RC is feasible in frail patients but is associated with increased perioperative morbidity and mortality. Preoperative frailty screening should be implemented to counsel and carefully select patients eligible for RC.

PMID:37032231 | DOI:10.1016/j.clgc.2023.03.004

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Perceptions and Practices of Cannabis Use Among Emergency Department Patients

J Emerg Med. 2023 Mar 21:S0736-4679(23)00049-5. doi: 10.1016/j.jemermed.2023.02.003. Online ahead of print.

ABSTRACT

BACKGROUND: Nationally, in states where cannabis has been legalized, increases in cannabis-related hospitalizations and emergency department (ED) visits have also been observed.

OBJECTIVES: This study aims to: 1) Describe the sociodemographic characteristics of cannabis users presenting to two academic EDs in California; 2) Assess cannabis-related behaviors; 3) Assess perceptions of cannabis; 4) Identify and describe reasons for cannabis-related ED utilization.

METHODS: This is a cross-sectional study of patients visiting one of two academic EDs between February 16, 2018 and November 21, 2020. Eligible participants completed a novel questionnaire developed by the authors. Basic descriptive statistics, Pearson correlation coefficients, and logistic regression were used for statistical analysis of responses.

RESULTS: The questionnaire was completed by 2577 patients. A quarter were categorized as Current Users (n = 628, 24.4%). Current, Regular Users were evenly divided across gender, were relatively younger (18-34 years, 48.1%), and were largely non-Hispanic Caucasian. Over half of all respondents believed that the use of cannabis was less harmful than tobacco or alcohol use (n = 1537, 59.6%). One in five Current Users (n = 123, 19.8%) reported driving while using cannabis in the past month. A small proportion (n = 24, 3.9%) of Current Users reported ever visiting the ED for a cannabis-related chief complaint.

CONCLUSIONS: Overall, many ED patients are currently using cannabis; few report utilizing the ED due to cannabis-related problems. Current, Irregular Users may represent the ideal target group for ED-based educational efforts aimed at improving knowledge of safe cannabis use.

PMID:37032203 | DOI:10.1016/j.jemermed.2023.02.003

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Efficacy and safety of probiotics in the treatment of irritable bowel syndrome: A systematic review and meta-analysis of randomised clinical trials using ROME IV criteria

Clin Nutr. 2023 Mar 31;42(5):800-809. doi: 10.1016/j.clnu.2023.03.019. Online ahead of print.

ABSTRACT

BACKGROUND: Irritable Bowel Syndrome (IBS) is a functional gastrointestinal disorder which affects a great number of patients globally. Clinical trials and meta-analyses have evaluated different therapies for IBS. Some of them have shown that probiotics play a significant role in the management of IBS-patients. Nevertheless, results are controversial, and the efficacy of the administration of probiotics remains to be confirmed, especially in regard to which type of probiotic-strains are beneficial.

AIM: The aim of the present meta-analysis is to assess the efficacy and safety of the administration of probiotics to IBS-patients with a diagnosis based on Rome IV criteria, which is performed for the first time.

METHODS: Electronic databases (Pubmed, Scopus and Cochrane) were searched until 26.01.2023 for randomized controlled trials (RCTs) studying the administration of probiotics in adult IBS-patients, who were categorized according to the Rome IV criteria. The risk of bias was assessed using the Cochrane Risk of Bias tool (ROB) 2.0. Weighted and standardized mean difference with the 95% confidence intervals were used for the synthesis of the results. Primary outcomes were the decrease of IBS-Symptom Severity Score (IBS-SSS) and decrease of abdominal pain. The secondary outcomes were the improvement in quality of life (QoL) and the decrease of bloating. Lastly, the adverse effects of probiotics were evaluated. The protocol of the study has been registered at protocols.io (DOI dx.doi.org/10.17504/protocols.io.14egn218yg5d/v1).

RESULTS: Six double-blind (N = 970) placebo-control RCTs fulfilled the inclusion criteria and overall, nine different strains of probiotics were examined. No significant reduction in IBS-SSS (WMD -43.2, 95% CI -87.5 to 1.0, I2 = 82.9%) was demonstrated, whereas a significant decrease regarding abdominal pain (SMD -0.94, 95% CI -1.53 to -0.35, I2 = 92,2) was shown. Furthermore, no correlation between improvement of QoL and the use of probiotics (SMD -0.64, 95% CI -1.27 to 0.00, I2 = 93,9%) was shown. However, probiotics were associated with a significant reduction in bloating (SMD -0.28, 95% CI -0.47 to -0.09, I2 = 36,0%). A qualitative synthesis was conducted about adverse events and showed that the use of probiotics’ is safe without severe adverse events.

CONCLUSIONS: The administration of probiotics to IBS-patients demonstrated a positive effect on pain and bloating, but due to significant heterogeneity and confounding factors, that were not examined in the included studies, a definitive statement cannot be made. Moreover, probiotics did not lead to an improvement in other parameters. There is a need for larger RCTs in IBS-patients diagnosed according to Rome IV (not III) criteria and especially it is essential to be conducted RCTs which examine the administration of specific strains and have similar methodological characteristics.

PMID:37031468 | DOI:10.1016/j.clnu.2023.03.019

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Vitamin D receptor gene polymorphism and its relation to cancer colon occurrence

Egypt J Immunol. 2023 Apr;30(2):174-180.

ABSTRACT

Cancer colon is the second most prevalent cancer for females and the third for males. Vitamin D’s cellular impacts are achieved by 1,25 (OH) 2D binding to the Vitamin D receptor (VDR). This study aimed at assessing the relation between vitamin D receptor gene polymorphism and cancer colon. This case-control study included 50 colorectal cancer (CRC) cases which were candidates for colonoscopy and 50 controls with normal colonoscopy. The study was conducted in Suez Canal University hospitals. All cases were diagnosed with colonoscopy and confirmed with histopathology. Blood samples from study subjects were used for detection of vitamin D receptor FokI polymorphism. We found that more than two thirds of patients were males. Around half of the cases were over 60 years old. Most of the study participants were overweight (26%), obese (53%), non-alcoholics (99%), and non-smokers (72%). However, about one third of the patients were diabetic (31%). Noticeably, none of these factors was significantly variant among CRC group and normal colonoscopy group (p < 0.05). The most common presentation among cases with colon cancer was constipation (80%). Of the 100 studied cases, 74% had left-sided colon cancer, with a 66% of them were resectable. The odds ratio of VDR polymorphism between the cases and control groups was high (3 with 95% CI (0.3-31)), however it did not reach statistical significance (p= 0.3). Most of the cases with VDR polymorphism had colon cancer (75%). In conclusion, based on our findings, there was no correlation between colorectal cancer and vitamin D receptor gene polymorphism.

PMID:37031466

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A pilot study: Metabolic profiling of plasma and saliva samples from newly diagnosed glioblastoma patients

Cancer Med. 2023 Apr 9. doi: 10.1002/cam4.5857. Online ahead of print.

ABSTRACT

BACKGROUND: Despite aggressive treatment, more than 90% of glioblastoma (GBM) patients experience recurrences. GBM response to therapy is currently assessed by imaging techniques and tissue biopsy. However, difficulties with these methods may cause misinterpretation of treatment outcomes. Currently, no validated therapy response biomarkers are available for monitoring GBM progression. Metabolomics holds potential as a complementary tool to improve the interpretation of therapy responses to help in clinical interventions for GBM patients.

METHODS: Saliva and blood from GBM patients were collected pre and postoperatively. Patients were stratified conforming their progression-free survival (PFS) into favourable or unfavourable clinical outcomes (>9 months or PFS ≤ 9 months, respectively). Analysis of saliva (whole-mouth and oral rinse) and plasma samples was conducted utilising LC-QqQ-MS and LC-QTOF-MS to determine the metabolomic and lipidomic profiles. The data were investigated using univariate and multivariate statistical analyses and graphical LASSO-based graphic network analyses.

RESULTS: Altogether, 151 metabolites and 197 lipids were detected within all saliva and plasma samples. Among the patients with unfavourable outcomes, metabolites such as cyclic-AMP, 3-hydroxy-kynurenine, dihydroorotate, UDP and cis-aconitate were elevated, compared to patients with favourable outcomes during pre-and post-surgery. These metabolites showed to impact the pentose phosphate and Warburg effect pathways. The lipid profile of patients who experienced unfavourable outcomes revealed a higher heterogeneity in the abundance of lipids and fewer associations between markers in contrast to the favourable outcome group.

CONCLUSION: Our findings indicate that changes in salivary and plasma metabolites in GBM patients can potentially be employed as less invasive prognostic biomarkers/biomarker panel but validation with larger cohorts is required.

PMID:37031458 | DOI:10.1002/cam4.5857

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Prevalence, Incidence, and Predictors of Self-reported Swallowing Difficulties in Community-Dwelling Adults: A Population-Based Study from the Canadian Longitudinal Study on Aging (CLSA)

Dysphagia. 2023 Apr 9. doi: 10.1007/s00455-023-10570-5. Online ahead of print.

ABSTRACT

There is a paucity of evidence from population-based studies identifying prevalence and incidence of dysphagia, as well as health and sociodemographic risk factors that may contribute to its development. As such, the current study aimed to determine prevalence, incidence, and associated predictors of dysphagia in adults. The Canadian Longitudinal Study on Aging is a nationally representative population study that follows 51,338 Canadians over 45 years of age. Biological, medical, psychological, social, lifestyle and economic data are collected. A secondary analysis of the data was conducted to determine prevalence, incidence, and the predictors of self-reported swallowing difficulty in adults between 45 and 85 years of age. Rates of swallowing difficulty by demographic risk factor, as well as lifestyle and health factors were analyzed using descriptive statistics. Associations between lifestyle and health variables with dysphagia were tested using Chi-square tests or t tests, as appropriate. Logistic regression was used to determine the predictors of self-reported swallowing difficulties. Overall prevalence of self-reported swallowing difficulties in adults over the age of 45 was 10.6% and increased to 13.7% after 3 years. Significant differences (p < 0.001) in self-reported swallowing difficulty at baseline were apparent across smoking status, requiring help to prepare meals, life satisfaction, social participation, all disease categories except dementia, number of medications, cognition, oral health status, and frailty. Incidence of dysphagia was 8.6%. Regression analyses suggested the following independent predictors of reports of swallowing difficulty: older age; non-white ethnicity; female sex; poor oral health; malnutrition; and frailty. These predictors should be carefully considered to ensure we are screening at-risk populations. Social determinants of health, such as ethnicity, must also be considered to ensure equitable care across the population.

PMID:37031453 | DOI:10.1007/s00455-023-10570-5

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A systematic review on the performance of fracture risk assessment tools: FRAX, DeFRA, FRA-HS

J Endocrinol Invest. 2023 Apr 9. doi: 10.1007/s40618-023-02082-8. Online ahead of print.

ABSTRACT

PURPOSE: Preventing fragility fractures by treating osteoporosis may reduce disability and mortality worldwide. Algorithms combining clinical risk factors with bone mineral density have been developed to better estimate fracture risk and possible treatment thresholds. This systematic review supported panel members of the Italian Fragility Fracture Guidelines in recommending the use of best-performant tool. The clinical performance of the three most used fracture risk assessment tools (DeFRA, FRAX, and FRA-HS) was assessed in at-risk patients.

METHODS: PubMed, Embase, and Cochrane Library were searched till December 2020 for studies investigating risk assessment tools for predicting major osteoporotic or hip fractures in patients with osteoporosis or fragility fractures. Sensitivity (Sn), specificity (Sp), and areas under the curve (AUCs) were evaluated for all tools at different thresholds. Quality assessment was performed using the Quality Assessment of Diagnostic Accuracy Studies-2; certainty of evidence (CoE) was evaluated using the Grading of Recommendations Assessment, Development and Evaluation approach.

RESULTS: Forty-three articles were considered (40, 1, and 2 for FRAX, FRA-HS, and DeFRA, respectively), with the CoE ranging from very low to high quality. A reduction of Sn and increase of Sp for major osteoporotic fractures were observed among women and the entire population with cut-off augmentation. No significant differences were found on comparing FRAX to DeFRA in women (AUC 59-88% vs. 74%) and diabetics (AUC 73% vs. 89%). FRAX demonstrated non-significantly better discriminatory power than FRA-HS among men.

CONCLUSION: The task force formulated appropriate recommendations on the use of any fracture risk assessment tools in patients with or at risk of fragility fractures, since no statistically significant differences emerged across different prediction tools.

PMID:37031450 | DOI:10.1007/s40618-023-02082-8

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Nutrient intake and nutritional status of 4-10-year-old Hungarian children

Orv Hetil. 2023 Apr 9;164(14):533-540. doi: 10.1556/650.2023.32713. Print 2023 Apr 9.

ABSTRACT

INTRODUCTION AND OBJECTIVE: The growing trend of childhood obesity is a major public health issue. Collaborations between medical and healthcare professionals, preventive and health preservative programs, dietary habit and nutrient intake studies are indispensable.

METHOD: A representative study has been performed among 4-10-year-old Hungarian children by gender, age, size of settlement and region. The study included 733 assessable questionnaires and 666 dietary records. Data on children’s eating habits were collected by using the internationally recommended three-day dietary record method. Body weight and height measurements were taken for each child to determine nutritional status. Data were analyzed with statistical methods.

RESULTS: The rate of overweight and obesity is 23%. Energy intake differs significantly between body mass index groups. The children’s fat intake is excessive (34.2 energy%), the saturated fatty acid intake exceeds the recommended 10 energy%, omega fatty acid ratio is disadvantageous and the children’s cholesterol intake is high. The average energy from carbohydrates is below the recommended 57 energy%, from added sugar it is 11%, which affects 52% of the children. Their low fibre intake (19.4 g/day) is due to low fruit, vegetable (263 g/day) and whole grain consumption. Of the micronutrients, sodium intake is 3-4 times higher than the recommended. In 35% of the children, the calcium intake is below the critical threshold, due to unfavourable milk and milk product consumption (290 g/day). Vitamin D intake was low in 98-100% of the children.

CONCLUSION: Compared to the results of other European and national studies performed among children, adolescent and adults, the nutritional status and nutrient intake of our sample is unfavourable. Comprehensive intervention, education of the children with the involvement of their parents is essential to reduce obesity. Orv Hetil. 2023; 164(14): 533-540.

PMID:37031445 | DOI:10.1556/650.2023.32713

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Avoidance Coping as a Vulnerability Factor for Negative Drinking Consequences Among Injury Survivors Experiencing PTSD Symptoms:An Ecological Momentary Assessment Study

J Psychoactive Drugs. 2023 Apr 9:1-11. doi: 10.1080/02791072.2023.2200780. Online ahead of print.

ABSTRACT

The purpose of this study was to examine the dynamic relationships between daily PTSD symptom severity (PTSS), cognitive and behavioral avoidance coping, and negative drinking consequences following recent injury. Participants consisted of 36 injury survivors (Mage = 34.0, SD = 10.8; 75.0% male; 69.4% White) who completed thrice daily assessments of PTSS, avoidance coping, and negative drinking consequences for 7 days at 6-weeks post-injury. Although hypothesized relationships were not statistically significant in full models with covariates that included alcohol consumption, the confidence intervals associated with focal predictors provided support for predictions. Follow-up analyses without covariates indicated that on occasions when an injury survivor engaged in more avoidance coping and experienced higher levels of PTSS, negative drinking consequences increased by 9% (b = 0.02, SE = 0.01, p = .006). This interaction was primarily driven by cognitive avoidance coping (b = 0.03, SE = 0.01, p = .008). Routine screening of avoidance coping, PTSS, and alcohol consumption in the aftermath of recent injury might assist with identifying survivors at risk for negative drinking consequences. Interventions that address cognitive avoidance coping and drinking among survivors experiencing elevated PTSS may help to prevent the development of this comorbidity.

PMID:37031432 | DOI:10.1080/02791072.2023.2200780

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Updated normative data for the EORTC QLQ-C30 in the general Dutch population by age and sex: a cross-sectional panel research study

Qual Life Res. 2023 Apr 9. doi: 10.1007/s11136-023-03404-2. Online ahead of print.

ABSTRACT

PURPOSE: The European Organisation for Research and Treatment of Cancer (EORTC) quality of life core questionnaire (QLQ-C30) is a validated and widely-used Patient-Reported Outcome Measure for measuring the health-related quality of life (HRQoL) of cancer patients. To facilitate interpretation of results obtained in studies using the EORTC QLQ-C30, we generated normative data for the Dutch general population, stratified by age and sex.

METHODS: Dutch participants were selected from a larger cross-sectional online panel research study collecting EORTC QLQ-C30 general population normative data across 15 countries. EORTC QLQ-C30 raw scores based on a 4-point response scale were transformed to linear scores ranging from 0 to 100. Transformed scores were weighted based on the United Nations population distribution statistics and presented by age and sex/age. Differences in scale scores of ≥ 10 points in HRQoL were applied to indicate clinical relevance.

RESULTS: One thousand respondents completed the online survey. Stratified by age, clinically meaningful differences were observed, with worse physical functioning scores and better emotional functioning scores with increased age. Symptom scores remained stable across age groups, except for small age differences observed for fatigue, nausea/vomiting, diarrhoea, and financial difficulties. Stratified by sex/age, men generally scored better for both functioning and symptoms. However, these differences were not clinically meaningful.

CONCLUSIONS: These updated normative EORTC QLQ-C30 for the Dutch general population can be used to better interpret HRQoL data obtained from Dutch cancer patients. Being part of a larger international study, these data can further be used for inter-country comparisons in multi-national studies.

PMID:37031427 | DOI:10.1007/s11136-023-03404-2