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Nevin Manimala Statistics

Treatment with combined resveratrol and myoinositol ameliorates endocrine, metabolic alterations and perceived stress response in women with PCOS: a double-blind randomized clinical trial

Endocrine. 2022 Sep 28. doi: 10.1007/s12020-022-03198-2. Online ahead of print.

ABSTRACT

PURPOSE: The present study aimed to assess whether treatment with combined resveratrol and myoinositol is more effective in ameliorating the altered parameters associated with PCOS when compared to the combined metformin and pioglitazone therapy.

METHOD: One hundred and ten obese, oligo-anovulatory PCOS women, aged 20-35 years were randomly assigned into two treatment arms. Participants in arm-1 (n = 55), received combination of metformin and pioglitazone (500 mg and 15 mg, respectively), twice daily, while those in arm-2 (n = 55) received combination of resveratrol and myoinositol (1000 mg and 1000 mg, respectively) twice daily for 12 weeks. Evaluations performed at baseline were repeated after 3 months of therapy. The endocrine and metabolic derangements were assessed by measuring serum levels of testosterone, luteinizing hormone (LH), follicle-stimulating hormone (FSH), adiponectin and insulin using ELISA. Cohen’s perceived stress scale (PSS) was employed as a subjective measure of stress.

RESULTS: Pre-treatment PCOS women in both the arms (arm-1 and arm-2) had remarkably elevated serum testosterone and insulin concentrations, low serum adiponectin and high perceived stress response scores. The treatment reduced the altered endocrine indices in arm-2 (resveratrol and myoinositol) participants, manifested by statistically significant reduction in serum testosterone level (p = 0.001) and notably increased serum adiponectin level (p = 0.001). Interestingly, the hormonal profile, including serum LH and FSH levels also decreased (p < 0.001) along with a marked reduction in the ovarian volume (p = 0.001) in arm-2 participants. There was a significant reduction in weight (<0.001), BMI (p < 0.001) and an improvement in waist-hip ratio (p < 0.001) in arm-2 participants compared to arm-1 group. The PSS scores of the arm-2 subjects improved significantly (p < 0.001) whereas, the Ferrimen-Gallwey score was improved in both the arms (arm-1 and arm-2; p = 0.010 and 0.008 respectively) however, the change was highly significant in arm-2. Interestingly, the menstrual regularity was 81.4% in arm-2 while 18.2% in arm-1. We conclude that the therapeutic intervention with combined resveratrol and myoinositol is more effective in ameliorating altered endocrine, metabolic indices and stress burden and could be of clinical importance in high risk group of obese, oligo-anovulatory married PCOS affected women.

TRIAL REGISTRATION: ClinicalTials.gov Trial No: NCT04867252. Registered 24 April, 2021, https://clinicaltrials.gov/ct2/show/NCT04867252.

PMID:36169918 | DOI:10.1007/s12020-022-03198-2

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Nevin Manimala Statistics

Hansch-Type QSAR Models for the Rational Design of MAO Inhibitors: Basic Principles and Methodology

Methods Mol Biol. 2023;2558:207-220. doi: 10.1007/978-1-0716-2643-6_16.

ABSTRACT

Hansch-type regression analysis enables the derivation of quantitative structure-activity relationship (QSAR) equations correlating bioactivity data with physicochemical parameters accounting for hydrophobicity, electronic properties, and steric effects of molecules or functional groups (substituents). Two datasets of MAO A and B inhibitors were enrolled in prototypical workflows employing multiparametric stepwise regression analysis, which includes linear and nonlinear (generally quadratic) terms. The optimal choice of variables (and/or combinations thereof) along with statistical validation yielded two robust equations describing MAO B potency and B/A selectivity, which included three and one parameter(s), respectively, and explained more than 80% of y-variance (r2) with low standard deviation (s) and good statistical significance (F, Fisher value).

PMID:36169866 | DOI:10.1007/978-1-0716-2643-6_16

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Nevin Manimala Statistics

Evaluating bioretention scale effect on stormwater retention and pollutant removal

Environ Sci Pollut Res Int. 2022 Sep 28. doi: 10.1007/s11356-022-23237-9. Online ahead of print.

ABSTRACT

Bioretention column studies are commonly used in laboratory to assess the performance of such structures in removal of pollutants and to investigate different conceptions aiming to increase their efficiency. However, no studies were found recommending suitable diameters or sizes, or about the uncertainties related to the transfer of results among the different scales (i.e., among different experiments or from the laboratory to field scale). This study assessed the effect of the varying diameters in experimental bioretention columns on the retention and removal of pollutants from stormwater runoff. Three sets of columns with diameters of 400 mm, 300 mm, and 200 mm were assessed. The results showed that runoff retention (R) was affected by the time interval between stormwater events, but not by the bioretention diameter, although the diameter influenced the variability of R results. The removal of TSS (95%), nitrite (98%), and phosphate (96%) did present variability among the different bioretention diameters. However, the nitrate removal was statistically different among the bioretention columns, with removal efficiency above 50% in the 300-mm and 200-mm columns, while the 400-mm columns acted as a source of nitrate by increasing its concentration in the outflow stormwater by up to 285%, suggesting that the removal of this pollutant can be influenced by the scale effect of the bioretention columns and the experiments with small bioretention diameters may not provide reliable results.

PMID:36169844 | DOI:10.1007/s11356-022-23237-9

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Nevin Manimala Statistics

China’s experience in developing green finance to reduce carbon emissions: from spatial econometric model evidence

Environ Sci Pollut Res Int. 2022 Sep 28. doi: 10.1007/s11356-022-23246-8. Online ahead of print.

ABSTRACT

The objective of this study is to attempt to assess the effect of green finance in reducing carbon emissions in China, analyze the transformative role of policy impact in the development of green finance markets, and investigate the impact mechanisms of how green finance affects carbon dioxide emissions. Our time frame from 2007 to 2018 is selected for the empirical study by integrating the availability of data due to the scarcity of relevant statistics in the early days of green finance. Location of this study is in China where 30 provinces are included, excluding Tibet due to severe data shortage. As for methodology, we construct a green finance evaluation index system containing five indicators by entropy weight method, choose dynamic spatial Durbin model (DSDM) for empirical research, and perform mechanism analysis of restructuring industry and greening technology as intermediary channel. Our findings demonstrate that green finance in China does significantly reduce carbon emissions, and its spatial spillover effect and long-term effect are also verified. Furthermore, green finance tends to reduce CO2 emissions through restructuring industry and greening technology. Correspondingly, policy implications are recommended. First, improving green financial market and strengthening information disclosure of green financial market are crucial to facilitate green finance development. Local governments formulate carbon emission reduction strategies focusing on space by joint conference or coordination mechanism like river head system. Lastly, a mechanism should be developed to strengthen the transformation of industrial structure and to promote greening technology.

PMID:36169832 | DOI:10.1007/s11356-022-23246-8

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Nevin Manimala Statistics

Morphometric evaluation and classification of the superior orbital fissure on 3D MDCT images

Anat Sci Int. 2022 Sep 28. doi: 10.1007/s12565-022-00687-2. Online ahead of print.

ABSTRACT

The anatomy of the superior orbital fissure is very important because of the spaces it connects, the regions it is adjacent to, and the structures it contains. We aimed to study the width, length and types of the structure, their change according to gender, body sides, and age. The fissure shape has many variations that are not easy to systematize. Therefore, it was aimed to classify them with various reference points determined for the first time, identify their types and determine their incidence. An objective and comprehensive classification was used on 3-dimensional images using multidetector computed tomography. We retrospectively evaluated the orbit and paranasal sinus computerized tomography images of 200 individuals (age range: 3 months-90 years;106 female, 94 male). The shape of fissure were identified and classified, it is length and width were measured. There was no statistical difference in the length of the fissure according to gender on both sides, and in width only on the left (p˃0.05). On the right side, it was statistically significantly wider in female (p˂0.05). While the fissure types were grouped based on observation in the literature, they were defined more comprehensively according to different shape features by giving a certain reference lines by us for the first time and evaluated over seven types. The most common shape for both sides was racket-shaped type (right: 24.5%, left: 26%), while the least common was narrow type (right: 1%, left: 2%). Thus, the shape variations of structure have gained a systematic typing criterion for the first time with the definitions in our study.

PMID:36169800 | DOI:10.1007/s12565-022-00687-2

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Nevin Manimala Statistics

Mapping the Oxford Shoulder Score onto the EQ-5D utility index

Qual Life Res. 2022 Sep 28. doi: 10.1007/s11136-022-03262-4. Online ahead of print.

ABSTRACT

PURPOSE: In order to enable cost-utility analysis of shoulder pain conditions and treatments, this study aimed to develop and evaluate mapping algorithms to estimate the EQ-5D health index from the Oxford Shoulder Score (OSS) when health outcomes are only assessed with the OSS.

METHODS: 5437 paired OSS and EQ-5D questionnaire responses from four national multicentre randomised controlled trials investigating different shoulder pathologies and treatments were split into training and testing samples. Separate EQ-5D-3L and EQ-5D-5L analyses were undertaken. Transfer to utility (TTU) regression (univariate linear, polynomial, spline, multivariable linear, two-part logistic-linear, tobit and adjusted limited dependent variable mixture models) and response mapping (ordered logistic regression and seemingly unrelated regression (SUR)) models were developed on the training sample. These were internally validated, and their performance evaluated on the testing sample. Model performance was evaluated over 100-fold repeated training-testing sample splits.

RESULTS: For the EQ-5D-3L analysis, the multivariable linear and splines models had the lowest mean square error (MSE) of 0.0415. The SUR model had the lowest mean absolute error (MAE) of 0.136. Model performance was greatest in the mid-range and best health states, and lowest in poor health states. For the EQ-5D-5L analyses, the multivariable linear and splines models had the lowest MSE (0.0241-0.0278) while the SUR models had the lowest MAE (0.105-0.113).

CONCLUSION: The developed models now allow accurate estimation of the EQ-5D health index when only the OSS responses are available as a measure of patient-reported health outcome.

PMID:36169788 | DOI:10.1007/s11136-022-03262-4

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Nevin Manimala Statistics

Association Between the Awareness of Antiretroviral Drugs-Related Services and Drug Accessibility During the COVID-19 Pandemic Among Patients Undergoing Antiretroviral Therapy: A Cross-Sectional Study

AIDS Behav. 2022 Sep 28. doi: 10.1007/s10461-022-03825-z. Online ahead of print.

ABSTRACT

In a cross-sectional survey from 21 February to 6 March, 2020, we analyzed the awareness and utilization of antiretroviral drugs (ARVs)-related services among people living with HIV during the COVID-19 pandemic in Guangzhou, China. In addition, a subgroup analysis was performed among those who needed to go to hospital to access their drugs, and we explored the association between the awareness of ARVs-related services and the accessibility of ARVs. Of 375 participants, 89.9% were aware of drug-borrowing service, 90.7% were aware of drug-delivery service and 86.9% were aware of information-assistance service. Knowing about the drug-borrowing service or the information-assistance service, knowing about at least two services and knowing about all of the three services were all positively associated with ARVs accessibility. In addition, 35 (39.3%) of those who had acquired their drugs on time received them via the drug-delivery service. To some extent, the three ARVs-related services have alleviated the difficulties in accessing ARVs during the pandemic, especially the drug-delivery service.

PMID:36169780 | DOI:10.1007/s10461-022-03825-z

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Nevin Manimala Statistics

Analysis of the Differential Efficacy of the Reduced Version Over the Extended Version of an Affective-Sexual Education Program for Adults with Intellectual Disabilities

Arch Sex Behav. 2022 Sep 28. doi: 10.1007/s10508-022-02407-3. Online ahead of print.

ABSTRACT

Recently, with the increase in demand, multiple intervention proposals aimed at improving the sexual health of people with intellectual disabilities have emerged. Among them is the SALUDIVERSEX program, which takes a positive approach to sexuality. It has an extended version, consisting of 16 sessions and whose efficacy has already been proven, and a reduced version of 10 sessions. Thus, the present study aimed to test the differential efficacy of the two versions. A total of 208 participants (103 women and 105 men) aged between 19 and 67 years (M = 37.23, SD = 10.66) completed a battery of instruments before and after the intervention. Statistical analyses showed that users who participated in the reduced version of the program presented a significantly higher rate of improvement in their sexual behaviors compared to those who participated in the extended version (Sexual response: β10 = – 0.46 ± 0.19, p = .034; Sex practices: β10 = – 0.52 ± 0.23, p = .037; Use condoms: β10 = – 1.56 ± 0.59, p = .017), as well as a significantly higher decrease in the risk of suffering sexual abuse (β10 = 3.95 ± 0.64, p < .001). However, no statistically significant differences in sexuality knowledge were obtained with respect to the improvement between the two versions (β10 = – 0.09 ± 1.21, p = .94). Meanwhile, the professionals who applied the program found that those who participated in the reduced version, although they presented a significantly greater increase in their knowledge about privacy (β10 = – 0.48 ± 0.08, p < .001), did not improve their concerns about their inappropriate sexual behaviors as much as the users of the extended version (β10 = – 1.35 ± 0.21, p < .001). Thus, although both versions were effective, the reduced version seems to do so to a greater extent and in a shorter time, which makes it the more recommendable option.

PMID:36169777 | DOI:10.1007/s10508-022-02407-3

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Nevin Manimala Statistics

Caregivers’ psychosocial assessment for identifying HIV-infected infants at risk of poor treatment adherence: an exploratory study in southern Mozambique

AIDS Care. 2022 Sep 28:1-10. doi: 10.1080/09540121.2022.2125159. Online ahead of print.

ABSTRACT

Psychosocial support (PSS) to caregivers of HIV-infected infants on antiretroviral treatment (ART) is crucial to ensure ART adherence and sustained long-term viral suppression in children. A specific approach including tools to monitor and understand adherence behavior and risk factors that prevent optimal treatment compliance are urgently needed. This qualitative exploratory study, conducted in southern Mozambique, monitored the infants’ viral response trajectories during 18 months follow-up, as a measure of adherence, reviewed the caregiver’s PSS session notes and the answers to a study questionnaire, to analyze whether the standard PSS checklist applied to infants’ caregivers can identify barriers influencing their adherence. Only 9 of 31 infants had sustained virologic response. Reported factors affecting adherence were: difficulties in drugs administration, shared responsibility to administer treatment; disclosure of child’s HIV status to family members but lack of engagement; mother’s ART interruption and poor viral response. In conclusion, we found that the standard PSS approach alone, applied to caregivers, was lacking focus on many relevant matters that were identified by the study questionnaire. A comprehensive patient-centered PSS package of care, including an adherence risk factor monitoring tool, tailored to caregivers and their children must be developed.

PMID:36169018 | DOI:10.1080/09540121.2022.2125159

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Nevin Manimala Statistics

E-learning/online education in transfusion medicine: A cross-sectional international survey

Transfus Med. 2022 Sep 28. doi: 10.1111/tme.12920. Online ahead of print.

ABSTRACT

OBJECTIVES: This survey aims to assess the scope of transfusion e-learning courses in blood establishments and transfusion services internationally.

BACKGROUND: E-learning/online education is increasingly used in the education of medical professionals. There is limited published data on the use of e-learning for transfusion medicine.

MATERIAL AND METHODS: An International survey was designed and distributed to all members of the International Society of Blood Transfusion to assess utilisation of e-learning in their institutions. Descriptive statistics were used to summarise the results.

RESULTS: A total of 177 respondents participated, 68 of which had e-learning modules in their institutions. Approximately two-thirds of the courses were developed in-house (66%), and 63% are available to learners from outside the host institutions. In one-third of institutions, these courses were established during the COVID-19 pandemic, while 15% had used e-learning courses for more than 10 years. The courses target different audiences and topics ranging from blood donation to hemovigilance. The most common audiences were physicians (71%), laboratory scientists/technologists (69%) and transfusion practitioners (63%). Formal assessment of learning outcomes is used in 70% of the programs.

CONCLUSIONS: The survey demonstrates the widespread use of e-learning courses in transfusion education, with a substantial proportion being developed during the COVID-19 pandemic.

PMID:36169016 | DOI:10.1111/tme.12920