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Nevin Manimala Statistics

Evaluation of subclinical left ventricular systolic dysfunction using two-dimensional speckle-tracking echocardiography in patients with Child-Pugh A and B cirrhosis: A case-control study

Indian J Gastroenterol. 2022 Dec 28. doi: 10.1007/s12664-022-01277-w. Online ahead of print.

ABSTRACT

BACKGROUND: Although studies have proven that liver cirrhosis affects cardiac hemodynamics by means of circulatory overload, they present with definite cardiac functional alteration mostly with end-stage disease. There is limited data on relationship between progression of cirrhosis, cardiac mechanics and sub-clinical dysfunction. This study was done to assess ventricular myocardial mechanics using speckle tracking and deformation imaging among Child-Turcotte-Pugh (CTP) classification A and B cirrhosis.

METHOD: Seventy patients with cirrhosis of Child-Pugh A/B class and sixty-two healthy subjects were prospectively evaluated by standard conventional echocardiography and deformation imaging with rotational echocardiography. Clinical stage of liver cirrhosis was assessed by model for end-stage liver disease (MELD) scores and CTP classification.

RESULTS: Mean ages of patients with cirrhosis and controls were 55.64±14 years and 52.24±12 years, respectively. Though left ventricular (LV) dimensions (end diastolic dimension: 47.27±4.6 mm vs. 45.03±3.8 mm, p = 0.003; end systolic dimension: 30.33±4.9 mm vs. 28.40±2.91 mm, p = 0.006) and volumes (end diastolic volume: 82.08±22.53 mL vs. 68.18±15.75 mL, p = 0.001; end systolic volume: 28.60±8.42 mL vs. 22.18±7.48 mL, p = 0.001) were significantly higher in patients with cirrhosis, mean ejection fraction (EF) by Simpsons method was higher among controls (65.83±5.79% vs. 68.35±5.79%, p = 0.009). Left atrial volume was higher in cirrhosis group indicating presence of diastolic dysfunction (41.24±14.10 mL vs. 26.08±6.4 mL, p = 0.001). Global longitudinal strain as assessed by speckle tracking echocardiography did not show statistical significant difference between two groups (-22.35±4.08% vs. -21.80±2.54%, p = 0.348). Median value of torsion parameters in patients with cirrhosis did not differ compared to controls (torsion in degrees: 2.46 vs. 2.79, p = 0.268).

CONCLUSION: Patients with Child-Pugh A and B stages of cirrhosis present with preserved longitudinal strain, normal torsion but with subtle diastolic dysfunction. Higher MELD score may correlate with increased longitudinal strain possibly due to hyperdynamic state.

PMID:36576699 | DOI:10.1007/s12664-022-01277-w

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Systematic review and meta-analysis of the effect of garlic in patients with non-alcoholic fatty liver disease

Indian J Gastroenterol. 2022 Dec 28. doi: 10.1007/s12664-022-01287-8. Online ahead of print.

ABSTRACT

BACKGROUND: We aimed to conduct a systematic review and meta-analyses to examine the therapeutic effect of garlic on non-alcoholic fatty liver disease (NAFLD).

METHODS: We searched PubMed, Scopus, Web of Science, and Embase databases for retrieving articles investigating the impact of garlic on NAFLD patients. The comprehensive meta-analysis software version 2.0 was used for statistical analysis. The standardized mean difference with a 95% confidence interval (CI) was reported and the effect size was calculated.

RESULTS: A preliminary search yielded a total of 293 articles. After screening articles based on inclusion criteria, four articles were included in the final analyses. This systematic review included 186 patients with NAFLD. The result of the meta-analysis showed significant differences between the garlic and placebo groups regarding changes in alanine aminotransferase, aspartate aminotransferase, total cholesterol, low-density lipoprotein-cholesterol, triglyceride, and fasting blood sugar. Moreover, the probability of a decrease in hepatic steatosis was 2.75 times lower in the garlic group compared with the placebo group (RR [95% CI]: 2.75 [1.79, 4.23], p-value<0.001).

CONCLUSION: This meta-analysis demonstrates that garlic supplementation had a positive effect on hepatic steatosis, liver enzyme levels, and metabolic profile of patients with NAFLD. However, considering the potential limitation of the included studies, more high-quality clinical trials are needed.

PMID:36576698 | DOI:10.1007/s12664-022-01287-8

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Aberrant white matter microstructure evaluation by automated fiber quantification in typhoon-related post-traumatic stress disorder

Brain Imaging Behav. 2022 Dec 28. doi: 10.1007/s11682-022-00755-1. Online ahead of print.

ABSTRACT

Super typhoons can lead to post-traumatic stress disorder (PTSD), which can adversely affect a person’s mental health after a disaster. Neuroimaging studies suggest that patients with PTSD may have post-exposure abnormalities of the white matter. However, little is known about these defects, if they are localized to specific regions of the white matter fibers, or whether they may be potential biomarkers for PTSD. Typhoon survivors with PTSD (n = 27), trauma-exposed controls (TEC) (n = 33), and healthy controls (HCs) (n = 30) were enrolled. We used automated fiber quantification (AFQ) to process the participants’ DTI and compared diffusion metrics among the three groups. To evaluate diagnostic value, we used support vector machine (SVM) and a random forest (RF) classifier to build a machine learning model. White matter fiber segmentation between the three groups was found to be statistically significant for the fractional anisotropy (FA) value of the right anterior thalamic radiation (ATR) (26-50 nodes) and right uncinate fasciculus (UF) (60-72 nodes) (FDR correction, p < 0.05). By analyzing the characteristics of the machine learning model, the two most important variables were the right ATR and right UF for differentiating PTSD and trauma-exposed controls (TEC) from the healthy controls (HC). In addition, the left cingulum cingulate and left UF were the most critical variables in the differentiation of PTSD and TEC. AFQ with machine learning can localize abnormalities in specific regions of white matter fibers. These regions may be used as a diagnostic biomarker for PTSD.

PMID:36576688 | DOI:10.1007/s11682-022-00755-1

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Adjuvant chemotherapy in patients with ER-negative/HER2-negative, T1abN0 breast cancer: a nationwide study

Breast Cancer Res Treat. 2022 Dec 28. doi: 10.1007/s10549-022-06839-2. Online ahead of print.

ABSTRACT

PURPOSE: The purpose of this study was to examine the effect of chemotherapy on invasive disease-free survival (iDFS) and overall survival (OS) in a nationwide cohort of patients with estrogen receptor (ER)-negative/human epidermal growth factor receptor 2 (HER2)-negative, T1abN0 breast cancer.

METHODS: Patients with ER-negative/HER2-negative, T1abN0 breast cancer registered in the Danish Breast Cancer Group database between 2007 and 2016 were identified. The effect of adjuvant chemotherapy on iDFS and OS was analyzed with Cox proportional hazards analysis.

RESULTS: In total, 296 patients were included in the statistical analyses. Of these, 235 (79.4%) received chemotherapy and 61 patients (20.6%) did not. Patients treated with chemotherapy were significantly younger, had a significantly higher proportion of grade 3 tumors, T1b tumors, and tumors of ductal subtype. With 7.7 years of median follow-up, treatment with chemotherapy was associated with a significant improvement in OS in the adjusted analysis, Hazard Ratio 0.35 (95% Confidence Interval (0.15-0.81), p = 0.02), chemotherapy vs. no chemotherapy. In the unadjusted analyses, patients with both T1a and T1b tumors had significantly improved OS with chemotherapy. At 5 years, OS was 100% vs. 94.4% and 93.8% vs. 81.3% for patients with T1a and T1b tumors, respectively, chemotherapy vs. no chemotherapy. With 4.9 years of median follow-up, iDFS was not significantly improved with chemotherapy.

CONCLUSION: Patients with ER-negative/HER2-negative, T1abN0 breast cancer had significantly improved OS when treated with chemotherapy. This improvement was significant in patients with both T1a and T1b tumors, respectively. The effect was, however, limited in patients with T1a tumors.

PMID:36576678 | DOI:10.1007/s10549-022-06839-2

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A retrospective study in tumour characteristics and clinical outcomes of overweight and obese women with breast cancer

Breast Cancer Res Treat. 2022 Dec 28. doi: 10.1007/s10549-022-06836-5. Online ahead of print.

ABSTRACT

INTRODUCTION: Obesity and breast cancer are two major pathologies closely associated with increasing incidence and mortality rates, especially amongst women. The association between both diseases have been thoroughly discussed but much is still to uncover.

AIM: The aim of this study is to analyse tumour characteristics and clinical outcomes of overweight and obese women to disclosure potential associations and better understand the impact of obesity in breast cancer.

MATERIALS AND METHODS: Clinicopathological information of 2246 women were extracted from the institutional database of comprehensive cancer centre in Portugal diagnosed between 2012 and 2016. Women were stratified according to body mass index as normal, overweight, and obese. Patients’ demographic information and tumour features (age, family history, topographic localization, laterality, histological type, and receptor status) were taken as independent variables and overall survival, tumour stage, differentiation grade and bilaterality were considered clinical outcomes.

RESULTS: The main results reveal that overweight and obesity are predominantly associated with worse outcomes in breast cancer patients. Obese patients present larger (p-value: 0.002; OR 1.422; 95% CI 1.134-1.783) and more poorly differentiated tumours (p-value: 0.002; OR 1.480; 95% CI 1.154-1.898) and tend to have lower overall survival although without statistical significance (p-value: 0.117; OR 1.309; 95% CI 0.934-1.833). Overweighted women are more likely to have bilateral breast cancer (p-value: 0.017; OR 3.076; 95% CI 1.225-7.722) than obese women. The results also reveal that overweight women present less distant metastasis (p-value: 0.024; OR 0.525; 95%CI 0.299-0.920). Topographic localization and laterality did not achieve statistical significance.

PMID:36576677 | DOI:10.1007/s10549-022-06836-5

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Socioeconomic and Racial/Ethnic Disparities in Recovery from Childhood Behavioral or Conduct Problems: Evidence from a Nationally Representative Sample of 3-17 Years Old US Children

J Immigr Minor Health. 2022 Dec 28. doi: 10.1007/s10903-022-01444-3. Online ahead of print.

ABSTRACT

Our study provides nationally-generalizable evidence on the racial/ethnic and socioeconomic disparities in diagnosis and recovery from childhood behavioral or conduct problems. We pooled data from 4 years (2016-2019) of the National Survey of Children’s Health (NSCH) for 3 to 17 years old US children (N = 114,476). We performed several logistic regression models using complex survey data analysis statistical methodologies to estimate nationally representative and generalizable results in the Stata MP 16 program. About 20.1% of 3-17 years old US children previously diagnosed with behavioral or conduct problems no longer had the current diagnosis (were recovered). Hispanic children [Odds ratio (OR) 0.77, 95% Confidence Interval (CI) 0.65-0-95], immigrant children or children of immigrant parents (first or second generation immigrant children), and children from high-income families [200-399% Federal Poverty Level (FPL)] were about 23%, 38%, and 21% less likely than non-Hispanic White children, children of US native parents, and children with a family income of below 100% FPL to be currently diagnosed with behavioral or conduct problems, respectively. Conversely, Non-Hispanic Black and Hispanic children were about 50% and 40% more likely than non-Hispanic White children to recover from a past diagnosis. Moreover, children from higher-income families (at or above 300% of FPL) were between 1.59 to 1.79 times more likely than those from low-income families (below 100% FPL) to recover from a past diagnosis. Racial/ethnic and socioeconomic disparities in diagnosing appear to persist in recovering from behavioral or conduct problems.

PMID:36576672 | DOI:10.1007/s10903-022-01444-3

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Long-term effects of percutaneous coronary intervention versus coronary artery surgery in elderly with multi-vessel coronary artery disease

Egypt Heart J. 2022 Dec 28;74(1):86. doi: 10.1186/s43044-022-00323-4.

ABSTRACT

BACKGROUND: The most prevalent illness among the elderly is coronary artery disease (CAD), and most of this population present with multi-vessel CAD which constitutes a common management difficulty among elderly people. This study aimed to compare long-term consequences of percutaneous coronary intervention (PCI) versus coronary artery bypass graft (CABG) revascularization in elderly patients with multi-vessel coronary artery disease.

RESULTS: This retrospective study evaluated 100 elderly patients with multi-vessel CAD divided into two groups, group 1 the PCI group and group 2 the CABG group. The main findings of the study showed that CABG group had a longer hospital stay than the PCI group (8.16 vs. 2.02 days; P < 0.001). A considerably higher mean residual SYNTAX score was observed in the PCI group than CABG group which was 1.15 and 0.2, respectively (p-value < 0.001). The in-hospital major adverse cardiac events rate (MACE) in both groups was not statistically significant. Regarding the in-hospital mortality rate, although it was higher in the CABG group (6%) versus 2% in the PCI group, yet it was not statistically significant. The long-term MACE in this study revealed that 12.2% of PCI patients had heart failure compared to 6.4% in the CABG group, which was statistically insignificant. In the long-term follow-up, the revascularization rate of CABG group was higher than the PCI group; however, it was statistically insignificant. CABG group had a higher rate of stroke than PCI group being 4.3% and 2%, respectively; yet this difference was not statistically considerable. The long-term mortality rate among the PCI and CABG group was 10.2% and 4.3%, respectively.

CONCLUSIONS: Elderly patients with multi-vessel CAD, PCI with stenting, and CABG were statistically equivalent in long-term death and MI rates, stroke, repeat revascularization. A non-statistically notable distinction between the two groups as regards MACE, composite of death or MI, and all-cause mortality was found. This may have implication on choice of management strategy among elderly patients with multi-vessel CAD.

PMID:36576658 | DOI:10.1186/s43044-022-00323-4

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An Increase in Admission RDW Value Is Associated with Excess Short-Term Mortality Rates in Patients with Severe Burns

Appl Biochem Biotechnol. 2022 Dec 28. doi: 10.1007/s12010-022-04302-y. Online ahead of print.

ABSTRACT

The predictive value of red blood cell distribution width (RDW) in severely burned patients remains unclear. This study aimed to investigate the potential association between admission RDW and outcomes in patients with severe burns. Data of severely burned patients in the burn center of Changhai Hospital were retrospectively evaluated. The relationship between admission RDW and mortality was analyzed and displayed using the receiver operating characteristic curve, Kaplan-Meier curve, Cox proportional hazards regression, and the nomogram method. A total of 342 patients were identified according to the filter criteria. The 30-day mortality was 12.9%, and the mortality rates in 7 days and 90 days were 2.9% and 16.7%, respectively. Patients with high admission RDW value were more likely to die than those with low RDW value. Multivariate analysis revealed that higher admission RDW, age, full-thickness burned area, and inhalation injury were independent risk factors with 30-day mortality. The nomogram based on these risk factors was established to predict survival probability in severe burn patients. The C-index of different follow-up times was computed between 0.867 and 0.904, and the nomogram model list fits the data well. Admission RDW played a valuable role in predicting short-term mortality in patients with severe burns. The nomogram containing admission RDW was established to predict mortality, which helps burn care providers identify the patients at higher risk of short-term mortality after severe burns. More attention should be paid to the application of these easy and inexpensive biochemical indicators in the early prediction of disease progression.

PMID:36576652 | DOI:10.1007/s12010-022-04302-y

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Adoption of telemedicine care for osteoporotic patients during the COVID-19 pandemic: experience from a tertiary care center in Saudi Arabia

Arch Osteoporos. 2022 Dec 28;18(1):16. doi: 10.1007/s11657-022-01207-5.

ABSTRACT

The aim of this study was to examine the feasibility and effectiveness of telemedicine care provided to osteoporotic patients in Saudi Arabia. Our results show that this service was effective and feasible, and patients had a good rate of satisfaction with it.

PURPOSE: To investigate the efficacy and feasibility of telemedicine care in osteoporotic patients during the COVID-19 lockdown period in Saudi Arabia compared to in-person patients, as well as their satisfaction with this service.

METHODS: This observational retrospective study was conducted between March 2021 and September 2021 in King Saud University Medical City, Saudi Arabia. A survey was used to compare patients attending telemedicine clinics with in-person patients in terms of access and adherence to medications, occurrence of new fractures, and overall satisfaction with this service.

RESULTS: 195 patients attended the telemedicine clinic, while 63 attended the in-person clinic. Exercise frequency was similar in both groups, although exercise intensity was greater in the in-person group. 25(OH)D levels were stable in both groups. The availability and delay of supply of osteoporosis medications were not statistically different between both groups while adherence to treatment did not differ significantly between the two groups. The majority of patients in the telemedicine group were satisfied.

CONCLUSIONS: Telemedicine care was feasible and effective in managing osteoporotic patients during the COVID-19 epidemic. Such service could be considered in the future for managing disabled patients and those living in remote areas.

PMID:36576607 | DOI:10.1007/s11657-022-01207-5

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Multicenter cohort study on duration of antiarrhythmic medication for supraventricular tachycardia in infants

Eur J Pediatr. 2022 Dec 28. doi: 10.1007/s00431-022-04757-5. Online ahead of print.

ABSTRACT

Antiarrhythmic medication (AM) is commonly used to prevent supraventricular tachycardia (SVT) recurrence in infants. Our aim was to determine whether a shorter duration of AM is sufficient to prevent atrioventricular reentrant tachycardia (AVRT) recurrence and evaluate risk factors for recurrence of SVT after discontinued AM.This multicenter cohort study included all infants diagnosed with SVT in the five university hospitals in Finland between 2005 and 2017. Those diagnosed between 2005 and 2012 received AM for 12 months (group 1), and those diagnosed between 2013 and 2017 received AM for 6 months (group 2). A total of 278 infants presented with AVRT (group 1, n = 181; group 2, n = 97), and the median AM duration was 12.0 months (interquartile range [IQR] 11.4-13.4) and 7.0 months (IQR 6.0-10.2), respectively. Propranolol was the most frequently used first-line AM (92% and 95%). Recurrence-free survival rates were over 88% until 12 months after AM prophylaxis in both groups, without any statistically significant difference between them. Independent risk factors for recurrence of SVT after discontinuation of AM were need of combination AM (HR 2.2, 95% CI 1.14-4.20), Wolff-Parkinson-White (WPW) syndrome (HR 2.4, 95% CI 1.25-4.59), and age over 1 month at admission (HR 2.2, 95% CI 1.12-4.48). Conclusion: Shortening AM duration in infants from 12 to 6 months does not seem to lead to more frequent SVT recurrence. The risk factors for recurrence of SVT were WPW syndrome, need of combination AM, and age over 1 month.

PMID:36576576 | DOI:10.1007/s00431-022-04757-5