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Nevin Manimala Statistics

Microbiota and Mitochondrial Sex-Dependent Imbalance in Fibromyalgia: A Pilot Descriptive Study

Neurol Int. 2023 Jul 12;15(3):868-880. doi: 10.3390/neurolint15030055.

ABSTRACT

Fibromyalgia is a widespread chronic condition characterized by pain and fatigue. Among the long list of physiological disturbances linked to this syndrome, mitochondrial imbalance and oxidative stress stand out. Recently, the crosstalk between mitochondria and intestinal microbiota has caught the attention of biomedical researchers, who have found connections between this axis and several inflammatory and pain-related conditions. Hence, this pilot descriptive study focused on characterizing the mitochondrial mass/mitophagy ratio and total antioxidant capacity in PBMCs, as well as some microbiota components in feces, from a Peruvian cohort of 19 females and 7 males with FM. Through Western blotting, electrochemical oxidation, ELISA, and real-time qPCR, we determined VDAC1 and MALPLC3B protein levels; total antioxidant capacity; secretory immunoglobulin A (sIgA) levels; and Firmicutes/Bacteroidetes, Bacteroides/Prevotella, and Roseburia/Eubacterium ratios; as well as Ruminococcus spp., Pseudomonas spp., and Akkermansia muciniphila levels, respectively. We found statistically significant differences in Ruminococcus spp. and Pseudomonas spp. levels between females and males, as well as a marked polarization in mitochondrial mass in both groups. Taken together, our results point to a mitochondrial imbalance in FM patients, as well as a sex-dependent difference in intestinal microbiota composition.

PMID:37489361 | DOI:10.3390/neurolint15030055

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Nevin Manimala Statistics

The Effects of Physical Activity in Children and Adolescents with Developmental Coordination Disorder

Neurol Int. 2023 Jun 29;15(3):804-820. doi: 10.3390/neurolint15030051.

ABSTRACT

The purpose of this literature review was to detect and study the effectiveness of therapeutic intervention programs, such as physical activities and sports, on children and adolescents with Developmental Motor Coordination Disorder (DCD) to improve their motor skills. The sample for this study consisted of 48 (100%) papers, specifically, 40 (83.5%) articles, 3 (6.2%) doctoral theses, 2 (4.1%) master’s theses and 3 (6.2%) papers from conference proceedings from the year 2014 to 2022. To search the sample, the following terms were used: DCD or dyspraxia, physical activity programs, intervention, physical intervention, physical education, etc. The results for the existence of statistically significant results and internal validity of intervention programs using physical activities and sports in children and adolescents with DCD showed that a large number of intervention programs improved the children’s motor skills as well as their daily functionality. In contrast, other interventions failed to improve dynamic and static balance. The negative result could be due either to the short duration of the interventions or to the improper suboptimal design-organization of the methodology of these programs-such as the heterogeneous intervention samples and the use of inappropriate and reliable assessment tools.

PMID:37489357 | DOI:10.3390/neurolint15030051

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Nevin Manimala Statistics

Motor Capabilities in Children with ADHD Are Improved after Brief Visuopostural Training

Neurol Int. 2023 Jun 28;15(3):792-803. doi: 10.3390/neurolint15030050.

ABSTRACT

Children with ADHD show poor motor control. The aim of the present study was to test whether children with ADHD improved their motor performances (oculomotor as well as posture) after a short visuopostural training period. Two groups (G1 trained and G2 non-trained), each comprising 15 children with ADHD matched in IQ (intelligence quotient), sex, and age, participated in the study. Eye movements and postural sway were measured before (T1) and after (T2) 10 min of visuopostural training for the trained group and after 10 min of resting for the non-trained group. Training consisted of a visual search task performed while the child was standing on an unstable platform. At T1, oculomotor and postural abilities were statistically similar for both groups of children with ADHD (trained and non-trained). At T2, significant improvements in both oculomotor and postural capabilities were observed for the trained group but not for the non-trained group. These findings suggest that a short visuopostural training period could help children with ADHD to learn how to focus their visual attention in order to improve motor performance. Visuopostural training could allow a better integration of sensory inputs via central mechanisms, leading to improvement in both oculomotor and postural control. Further studies on a larger number of children with ADHD will be needed to confirm these findings and explore the eventual possible persistence of the training effect.

PMID:37489356 | DOI:10.3390/neurolint15030050

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Effectiveness and Safety of Glucosamine in Osteoarthritis: A Systematic Review

Pharmacy (Basel). 2023 Jul 14;11(4):117. doi: 10.3390/pharmacy11040117.

ABSTRACT

Knee osteoarthritis is the most popular type of osteoarthritis that causes extreme pain in the elderly. Currently, there is no cure for osteoarthritis. To lessen clinical symptoms, glucosamine was suggested. The primary goal of our systematic review study is to evaluate the effectiveness and safety of glucosamine based on recent studies. Electronic databases such as PubMed, Scopus, and Cochrane were used to assess the randomized controlled trial (RCT). From the beginning through March 2023, the papers were checked, and if they fulfilled the inclusion criteria, they were then examined. The Western Ontario and McMaster Universities Osteoarthritis (WOMAC) and Visual Analog Scale (VAS) scales were considered the main outcome measures. A total of 15 studies were selected. Global pain was significantly decreased in comparison to placebo, as measured by the VAS index, with an overall effect size of standardized mean difference (SMD) of -7.41 ([95% CI] 14.31, 0.51). The WOMAC scale confirmed that pain, stiffness, and physical function had improved, however the effects were insufficient. A statistical update also revealed that there were no reports of serious medication interactions or significant adverse events. To summarize, glucosamine is more effective than a placebo at reducing pain in knee osteoarthritis patients. In long-term treatment, oral glucosamine sulfate 1500 mg/day is believed to be well tolerated.

PMID:37489348 | DOI:10.3390/pharmacy11040117

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Design, delivery, and evaluation of a knowledge translation intervention for multi-stakeholders

Implement Sci Commun. 2023 Jul 24;4(1):85. doi: 10.1186/s43058-023-00465-9.

ABSTRACT

BACKGROUND: Knowledge translation (KT) is a key competency for trainees (graduate students and post-doctoral fellows), the new generation of researchers who must learn how to synthesize, disseminate, exchange, and ethically apply knowledge to improve patient and health system services, products, and outcomes. KT training is a key enabler to support KT competency development. Yet, there is a dearth of research on the design, delivery, and evaluation of KT training for trainees.

METHODS: The study applied a QUAN(qual) mixed methods approach with an embedded experimental model design. A heart and lung patient was also recruited to participate as a partner and researcher in the study. A multi-faceted KT intervention for trainees was designed, delivered, and evaluated. Data were collected using surveys and focus groups. Quantitative data were analyzed using descriptive and inferential statistics in R Studio and MS Excel. Qualitative data were analyzed in NVivo using thematic analysis.

RESULTS: Participation in each KT intervention varied, with 8-42 participants attending KT webinars, 61 attendees in the Three Minute Thesis (3MT) Competition Heat, and 31 participants in the Patient & Public Forum. In total, 27 trainees and 4 faculty participated in at least one of the KT webinars. Trainee participants reported satisfaction, as well as statistically significant increases in 10/13 KT competencies after receiving one or more components of the KT intervention. Additionally, participating faculty, patients, and the public were satisfied with the intervention components they participated in. Several challenges and facilitators were also identified to improve the KT intervention.

CONCLUSIONS: The KT intervention is a promising initiative that can be adopted and adapted across various post-secondary settings to support trainees’ competency development in KT. This evaluation demonstrates that trainees will respond to opportunities for KT training and that capacity for KT competencies can be advanced through a multi-faceted intervention that involves trainees, faculty, patients, and health system collaborators in its design and delivery. This evaluation study contributes the design and results of a novel KT intervention for multi-stakeholders.

TRIAL REGISTRATION: N/A.

PMID:37488655 | DOI:10.1186/s43058-023-00465-9

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Nevin Manimala Statistics

Onychomycosis in immunocompromised population: Phenotypic and molecular identification

Mycoses. 2023 Jul 24. doi: 10.1111/myc.13634. Online ahead of print.

ABSTRACT

Onychomycosis is common among immunosuppressed individuals. Renal transplant recipients (RTR) and lupus nephritis (LN) patients are submitted to corticosteroid and other immunosuppressive therapy; and diabetes mellitus (DM) patients are intrinsically immunocompromised.

OBJECTIVES: The aim of this study was to characterise and identify fungal infections on the nails (feet and hands) in immunocompromised patients.

METHODS: The clinical material, nail scales (foot and/or hand), was collected from 47 RTR, 66 LN, 67 DM, and 78 immunocompetent individuals (control group). Phenotypic and molecular analyses were performed.

RESULTS: A total of 258 patients were examined. There was a female predominance, except in the RTR. The average age was 52 years old. Lateral distal subungual onychomycosis (OSDL) (75.2%), mainly affecting the hallux nail, was frequent. The predominance of dermatophyte on toenails and Candida species on fingernails was statistically significant. A higher frequency of fingernail involvement in LN and DM, and for LN, the difference was significant (p = .0456). Infections by Candida spp. were more frequent in DM. Using molecular methods, 87.2% of diagnoses were confirmed, identifying fungal agents at the species level. Dermatophytes, Trichophyton rubrum and Trichophyton interdigitale and the species of Candida, C. parapsilosis and C. albicans, were the most frequent fungal agents.

CONCLUSIONS: Molecular techniques (sequencing of ITS regions of rDNA) offer greater accuracy, although there is no difference, regarding the detection. Clinical presentation and fungal species may differ somewhat from the general population. Immunosuppression did not increase fungal detection positivity.

PMID:37488648 | DOI:10.1111/myc.13634

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Modern contraceptive method utilization and determinant factors among women in Ethiopia: Multinomial logistic regression mini- EDHS-2019 analysis

Contracept Reprod Med. 2023 Jul 25;8(1):40. doi: 10.1186/s40834-023-00235-x.

ABSTRACT

BACKGROUND: Globally, approximately 290,000 women between the ages of 15 and 49 died from pregnancy-related problems in 2014 alone, with these sub-Saharan Africa accounts for 65% (179,000) of the deaths. Although studies are conducted on modern contraceptives, information is scarce on multinomial regression analysis at the national level data. Therefore, this study aimed to assess modern contraceptive method utilization and determinant factors among women in Ethiopia.

METHODS: Data for this study were extracted from the national representative 2019 Ethiopian Mini Demographic and Health Survey. Data was collected using a 2-stage cluster design, in which enumeration areas formed the first stage and households made the second stage. The survey was conducted from March 21, 2019, to June 28, 2019. The analysis was done using multinomial logistic regression using STATA software version 14. The overall categorical variables with a P value of < 0.25 at the binomial analysis were included in the final model of the multinomial logistic regression model in which odds ratios with 95% CIs were estimated to identify the independent variables of women’s modern contraceptive utilization. P values less than 0.05 were used to declare statistical significance. All analysis was done on weighted data.

RESULTS: A total of 8885 (weighted) participants were included in the current study from these,. The current study revealed that the prevalence of modern contraceptive utilization was 28.1% (95%CI: 27.6.7-28.6%). Factors like: women 25 to 34 years (aRRR = 1.5;95% CI:1.2-1.9), 35 to 44 years (aRRR = 2.4; 95% CI: 3.3-5.4), and greater than 45 years (aRRR = 2.9; 95% CI: 2.2-3.7); place of residence (rural; aRRR = 0.89; 95% CI 0.81-0.99), higher educational status (aRRR = 0.035;95%CI:0.61-0.98), grandmultipara (aRRR = 1.73;95%CI:1.6-1.9), and wealth index (poorer aRRR = 0.541;95%CI:0.46-0.631.9) were the factors significantly associated with the outcome variable.

CONCLUSIONS: In this, modern contraceptive utilization is low as compared to other countries. It was influenced by age, place of residence, education, the number of children, and wealth index. This suggests that creating awareness of contraceptive utilization is paramount for rural residence women by policymakers and health managers to empower women for family planning services. Moreover, all stakeholders, including governmental and nongovernmental organizations, better to emphasize on modern contraceptive use.

PMID:37488640 | DOI:10.1186/s40834-023-00235-x

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Patellar instability-induced bone loss in the femoral trochlea is associated with the activation of the JAK1/STAT3 signaling pathway in growing mice

J Orthop Surg Res. 2023 Jul 24;18(1):526. doi: 10.1186/s13018-023-04019-6.

ABSTRACT

INTRODUCTION: Patellar instability (PI) at an early age is believed closely correlated with bone loss in the development of the femoral trochlea and can cause trochlear dysplasia. However, the molecular mechanism of PI-induced bone loss has not been established. The Janus kinase (JAK)/signal transducers and activators of transcription (STAT) signaling pathway plays an important role in bone development by regulating the expression of osteoprotegerin (OPG) and receptor activator of nuclear factor kappa B ligand (RANKL). The aim of this study was to explore the association of JAK1/STAT3 signaling to PI-induced subchondral bone loss in the femoral trochlea.

METHODS: Four-week-old male C57BL/6 mice were randomly divided into two groups (n = 50/group). Mice in the experimental group underwent surgery to induce PI. Distal femurs were collected 2 and 4 weeks after surgery (n = 25 knees/each time point, each group). Microcomputed tomography and histological observations were performed to investigate the morphology of the femoral trochlea and changes in bone mass. qPCR, western blot, and immunohistochemistry analyses were performed to evaluate the expression of JAK1, STAT3, RANKL, and OPG in subchondral bone. A t test was performed for the statistical analysis; a P value < 0.05 was considered to be statistically significant.

RESULTS: In the experimental group, subchondral bone loss in the femoral trochlea was observed two and four weeks after PI; morphological changes, such as a flatter trochlear groove and an increased sulcus angle, were observed in the femoral trochlea; qPCR, western blot, and immunohistochemistry analyses showed higher expression of JAK1, STAT3, and RANKL and lower expression of OPG (P < 0.05).

CONCLUSION: PI-induced subchondral bone loss in the femoral trochlea and resulted in trochlear dysplasia in growing mice. This bone loss is associated with activation of the JAK1/STAT3 signaling pathway, which weakens the function of osteoblasts and stimulates both formation and function of osteoclasts.

PMID:37488636 | DOI:10.1186/s13018-023-04019-6

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Feasibility of a new clinical journal club implementation and its association with knowledge, attitudes, and application of evidence-based practice among chiropractic students and trainees: a before-and-after healthcare education improvement study

Chiropr Man Therap. 2023 Jul 24;31(1):22. doi: 10.1186/s12998-023-00494-0.

ABSTRACT

BACKGROUND: Evidence-based practice (EBP) is the integration of best research evidence with clinical expertise and patients’ values and preferences. Little is known about knowledge, attitudes, and application of EBP among chiropractic students and trainees. Our aims were to (1) examine the feasibility of implementing a new journal club format within a Swiss university chiropractic healthcare education setting, and (2) assess the associations between the new journal club implementation and EBP characteristics among chiropractic students.

METHODS: A before-and-after study was conducted through a newly implemented journal club with 5th and 6th year chiropractic students and postgraduate trainees between 1 and 2021 and 31 July 2021. The journal club was developed based on the “community of practice” and “team-based learning” conceptual frameworks. EBP knowledge, attitudes, personal application, and future use, were assessed with a validated questionnaire. We summarised participant characteristics using descriptive statistics, estimated before-and-after EBP total and subscale scores (i.e., knowledge, attitudes, personal application, and future use), and conducted an exploratory subgroup analysis based on journal club attendance (Group A: 3-5 sessions attended; Group B: ≤ 2 sessions attended).

RESULTS: Among 32 eligible students and trainees, 29 participants (mean age 26 years; 79% women) were enrolled: 25 (78%) responded to the pre- and 29 (91%) to the post-assessment surveys. Most (80%) were chiropractic students and 20% were postgraduate trainees. Group A consisted of 12 (41%) and Group B of 17 (59%) participants, respectively. We found reasonable feasibility for the new journal club format and our findings were compatible with no difference in before-and-after EBP scores (median EBP total score before: 72.6 [IQR, 63.7-77.4], and after: 73.4 [IQR, 61.3-78.2]). Exploratory subgroup analyses based on journal club attendance were consistent with our overall findings.

CONCLUSION: Our study suggests that the newly implemented journal club and embedding chiropractic educational research within the journal club were feasible and acceptable. Small before-and-after differences in the EBP subscale scores for knowledge, attitudes, personal application, and future use were observed in chiropractic students and postgraduate trainees. The small study size and short timeframe during a single semester limit potential inferences.

PMID:37488634 | DOI:10.1186/s12998-023-00494-0

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A new approach to grant review assessments: score, then rank

Res Integr Peer Rev. 2023 Jul 24;8(1):10. doi: 10.1186/s41073-023-00131-7.

ABSTRACT

BACKGROUND: In many grant review settings, proposals are selected for funding on the basis of summary statistics of review ratings. Challenges of this approach (including the presence of ties and unclear ordering of funding preference for proposals) could be mitigated if rankings such as top-k preferences or paired comparisons, which are local evaluations that enforce ordering across proposals, were also collected and incorporated in the analysis of review ratings. However, analyzing ratings and rankings simultaneously has not been done until recently. This paper describes a practical method for integrating rankings and scores and demonstrates its usefulness for making funding decisions in real-world applications.

METHODS: We first present the application of our existing joint model for rankings and ratings, the Mallows-Binomial, in obtaining an integrated score for each proposal and generating the induced preference ordering. We then apply this methodology to several theoretical “toy” examples of rating and ranking data, designed to demonstrate specific properties of the model. We then describe an innovative protocol for collecting rankings of the top-six proposals as an add-on to the typical peer review scoring procedures and provide a case study using actual peer review data to exemplify the output and how the model can appropriately resolve judges’ evaluations.

RESULTS: For the theoretical examples, we show how the model can provide a preference order to equally rated proposals by incorporating rankings, to proposals using ratings and only partial rankings (and how they differ from a ratings-only approach) and to proposals where judges provide internally inconsistent ratings/rankings and outlier scoring. Finally, we discuss how, using real world panel data, this method can provide information about funding priority with a level of accuracy in a well-suited format for research funding decisions.

CONCLUSIONS: A methodology is provided to collect and employ both rating and ranking data in peer review assessments of proposal submission quality, highlighting several advantages over methods relying on ratings alone. This method leverages information to most accurately distill reviewer opinion into a useful output to make an informed funding decision and is general enough to be applied to settings such as in the NIH panel review process.

PMID:37488628 | DOI:10.1186/s41073-023-00131-7