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Nevin Manimala Statistics

Sexual Function of Male Survivors of Hematological Malignancy Treated by Autologous Hematopoietic Stem Cell Transplantation: A Multicenter Controlled Observational Study

J Sex Marital Ther. 2023 Jan 16:1-13. doi: 10.1080/0092623X.2023.2167756. Online ahead of print.

ABSTRACT

A multicenter, observational, cross-sectional study was conducted to assess the sexual function of male survivors of hematological malignancy treated by autologous hematopoietic stem cell transplantation (AHSCT) and to compare it with that of healthy male controls. By convenience sampling, 71 sexually active male survivors of hematological malignancy who underwent AHSCT were recruited, as well as 74 healthy men. A questionnaire with demographic and clinical data and the International Index of Erectile Function (IIEF) were completed. Survivors had a median age of 47 years, a median time since transplant of 3 years, and 46.5% had Hodgkin lymphoma. Based on the IIEF, they had a high level of sexual function, with best functioning domain “erection” and worst “overall satisfaction”. Healthy men had statistically significantly higher scores in all domains of the IIEF, except for “orgasm” (p = 0.205). There was a statistically significant association between sexual function and age (p < 0.0005), years since transplantation (p = 0.006), functional status (p < 0.0005), having children (p < 0.0005), relationship status (p = 0.001), education (p < 0.0005), diagnosis (p < 0.0005) and disease relapse (p = 0.017). Multivariate analysis showed that only age was a strong prognostic factor of sexual function (p < 0.0005). After age was excluded from the model, because of the strong effect it had on the dependent variable, functional status (p = 0.015), education (p = 0.002) and diagnosis (p = 0.001) had a statistically significant association with sexual function. These findings indicate the importance of sexual function for survivors’ well-being and the need for implementation of integrated care plans for survivors of hematological malignancy.

PMID:36644982 | DOI:10.1080/0092623X.2023.2167756

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Nevin Manimala Statistics

In vitro Nasodine Can be an Effective Antibiofilm Agent for Biofilms that May Cause CRS

Laryngoscope. 2023 Jan 16. doi: 10.1002/lary.30558. Online ahead of print.

ABSTRACT

OBJECTIVES: Bacterial biofilms on the sinonasal mucosa, especially biofilms of Staphylococcus aureus, are associated with greater severity and recalcitrance of chronic rhinosinusitis (CRS). There are few, if any, antibiofilm agents suitable for sinonasal application available for the management of this problem. Nasodine® Nasal Spray (Nasodine) is a 0.5% povidone-iodine-based formulation that has been developed for sinonasal application. We investigated the antibiofilm efficacy of Nasodine to determine whether it may be a candidate for the treatment of biofilm-associated CRS.

METHODS: Biofilms of S. aureus ATCC 6538 were grown in vitro using the Centers for Disease Control biofilm reactor. Intact biofilms were treated by immersion in 0.9% saline (control), half concentration Nasodine, or full concentration Nasodine for between 5 min and 6 h. Further biofilm cells were dispersed into suspension then treated for between 30 s and 5 min. Surviving bacteria were then enumerated by culture and counting colonies, and the log10 reduction in viable bacteria was compared with control.

RESULTS: Nasodine demonstrated time and concentration-dependent bacterial killing against intact biofilm. Statistically significant reductions in viable bacteria from intact biofilms were seen with exposures as brief as 5 min. Nasodine consistently eradicated dispersed biofilm within 1 min.

CONCLUSION: Nasodine is highly active against biofilms of S. aureus ATCC 6538 in vitro. Biofilm killing is impeded by the presence of the intact biofilm structure.

LAY SUMMARY: In chronic rhinosinusitis (CRS), bacterial communities called biofilms are associated with more severe inflammation. An iodine-based nasal spray called Nasodine almost completely eradicates bacterial biofilms after 6 h of exposure. Nasodine may be useful for treating CRS. Laryngoscope, 2023.

PMID:36644968 | DOI:10.1002/lary.30558

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Nevin Manimala Statistics

Effect of aquatic exercise programs according to the International Classification of Functionality, Disability and Health domains in individuals with Parkinson’s disease: a systematic review and meta-analysis with GRADE quality assessment

Disabil Rehabil. 2023 Jan 16:1-14. doi: 10.1080/09638288.2022.2164800. Online ahead of print.

ABSTRACT

PURPOSE: To investigate the effects of aquatic exercise programs (AEP) in body structure and function, activity, and participation outcomes in individuals with Parkinson’s disease (PD) with mild to moderate disability levels.

METHODS: Six databases were searched from inception until November 2022. Randomized clinical trials that used AEP alone, AEP combined and/or compared two types of AEP were included. The quality of evidence was assessed by the GRADE approach and the standardized mean differences (SMD) were calculated the meta-analysis.

RESULTS: Twelve studies (n = 380) were included. AEP alone was superior to active control in improving body structure and function outcome: postural balance (low evidence, SMD = 0.47, p = 0.02). No statistically significant differences were found for the other body structure and function outcomes: lower limb muscle strength (p = 0.14) and depressive symptoms (p = 0.79), activity outcomes: mobility (p = 0.32) and participation outcomes: quality of life (p = 0.05). AEP combined showed no statistically significant difference for the outcomes of body structure and function: postural balance (p = 0.11) and activity: mobility (p = 0.21) when compared to active control.

CONCLUSION: AEP showed positive effects on body structure and function outcome (postural balance) in individuals with PD with mild to moderate disability levels while, no significant improvements were noticed for activity and participation outcomes.IMPLICATIONS FOR REHABILITATIONOur findings indicate that aquatic exercise programs (AEP) lead to significant improvements on body structure and function (i.e., postural balance) in individuals with Parkinson’s disease (PD).The AEP evaluated in this study implemented postural balance, gait, single and double training, as well as aerobic exercises, trunk mobility exercises, and Ai Chi.The average duration, frequency, and total time implemented were 50 minutes, three times a week, for seven weeks, respectively.Considering the potential benefits identified in this study, AEP can be recommended as an adjunct treatment strategy for individuals with PD.Additionally, the use of the International Classification of Functionality, Disability and Health on the development of rehabilitation treatment plans is advised.

PMID:36644928 | DOI:10.1080/09638288.2022.2164800

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Nevin Manimala Statistics

Association of central obesity with unique cardiac remodelling in young adults born small for gestational age

Eur Heart J Cardiovasc Imaging. 2023 Jan 16:jeac262. doi: 10.1093/ehjci/jeac262. Online ahead of print.

ABSTRACT

AIMS: Being born small for gestational age (SGA, 10% of all births) is associated with increased risk of cardiovascular mortality in adulthood together with lower exercise tolerance, but mechanistic pathways are unclear. Central obesity is known to worsen cardiovascular outcomes, but it is uncertain how it affects the heart in adults born SGA. We aimed to assess whether central obesity makes young adults born SGA more susceptible to cardiac remodelling and dysfunction.

METHODS AND RESULTS: A perinatal cohort from a tertiary university hospital in Spain of young adults (30-40 years) randomly selected, 80 born SGA (birth weight below 10th centile) and 75 with normal birth weight (controls) was recruited. We studied the associations between SGA and central obesity (measured via the hip-to-waist ratio and used as a continuous variable) and cardiac regional structure and function, assessed by cardiac magnetic resonance using statistical shape analysis. Both SGA and waist-to-hip were highly associated to cardiac shape (F = 3.94, P < 0.001; F = 5.18, P < 0.001 respectively) with a statistically significant interaction (F = 2.29, P = 0.02). While controls tend to increase left ventricular end-diastolic volumes, mass and stroke volume with increasing waist-to-hip ratio, young adults born SGA showed a unique response with inability to increase cardiac dimensions or mass resulting in reduced stroke volume and exercise capacity.

CONCLUSION: SGA young adults show a unique cardiac adaptation to central obesity. These results support considering SGA as a risk factor that may benefit from preventive strategies to reduce cardiometabolic risk.

PMID:36644919 | DOI:10.1093/ehjci/jeac262

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Nevin Manimala Statistics

Letter to the Editor: Double-counting due to inadequate statistics leads to false-positive findings in “Effects of creatine supplementation on memory in healthy individuals: a systematic review and meta-analysis of randomized controlled trials”

Nutr Rev. 2023 Jan 16:nuac108. doi: 10.1093/nutrit/nuac108. Online ahead of print.

ABSTRACT

Prokopidis et al have conducted a meta-analysis of randomized, placebo-controlled clinical trials to assess the effects of oral creatine supplementation on memory performance of healthy individuals. However, concerns were raised regarding the validity of their statistical analyses, which may have led to misleading conclusions. In this letter, we describe the statistical issue at hand and its potential implications.

PMID:36644917 | DOI:10.1093/nutrit/nuac108

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Author’s reply: Letter to the Editor: Double counting due to inadequate statistics leads to false-positive findings in “Effects of creatine supplementation on memory in healthy individuals: a systematic review and meta-analysis of randomized controlled trials”

Nutr Rev. 2023 Jan 16:nuac111. doi: 10.1093/nutrit/nuac111. Online ahead of print.

NO ABSTRACT

PMID:36644912 | DOI:10.1093/nutrit/nuac111

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Nevin Manimala Statistics

Information, meaning and physics: The intellectual evolution of the English School of Information Theory during 1946-1956

Sci Context. 2023 Jan 16:1-17. doi: 10.1017/S0269889722000230. Online ahead of print.

ABSTRACT

In this comparative historical analysis, we will analyze the intellectual tendency that emerged between 1946 and 1956 to take advantage of the popularity of communication theory to develop a kind of informational epistemology of statistical mechanics. We will argue that this tendency results from a historical confluence in the early 1950s of certain theoretical claims of the so-called English School of Information Theory, championed by authors such as Gabor (1956) or MacKay (), and from the attempt to extend the profound success of Shannon’s ([1948] 1993) technical theory of sign transmission to the field of statistical thermal physics. As a paradigmatic example of this tendency, we will evaluate the intellectual work of Léon Brillouin (), who, in the mid-fifties, developed an information theoretical approach to statistical mechanical physics based on a concept of information linked to the knowledge of the observer.

PMID:36644911 | DOI:10.1017/S0269889722000230

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Nevin Manimala Statistics

The Impact of COVID-19 Lockdown on Patients with Type 2 Diabetes Mellitus: A Brief Report

Endocr Metab Immune Disord Drug Targets. 2023 Jan 12. doi: 10.2174/1871530323666230112165948. Online ahead of print.

ABSTRACT

BACKGROUND: The Italian population’s habits changed dramatically during the “COVID-19 lockdown” due to physical distancing and self-isolation. Moreover, medical consultations of patients with chronic diseases, such as type 2 diabetes (T2D), were suspended or postponed, unless urgent or semi-urgent, for several consecutive months. Thus, it is expected that the lockdown could have affected glucometabolic control in T2D.

PURPOSE: The aim of the study was to assess changes in glucometabolic control in a cohort of T2D patients before (T1) and after (T2) the COVID-19 lockdown (March-May 2020).

METHODS: The study was approved by the Ethics Committee of the University of Bari, and all patients provided informed written consent to participate. Medical history, complete physical examination, and laboratory assessment were conducted as real-life clinical practice. Changes in clinical and laboratory variables between T1 and T2 were calculated.

RESULTS: In detail, 13 patients were on metformin as monotherapy, 36 on GLP-1RA, 12 on sodium-glucose transporter 2 inhibitors (SGLT-2i), and 2 on dipeptidyl-peptidase 4 inhibitors (DPP4i). The mean age was 65.3 years (43-83). Study participants were mainly men (73%). The body weight (BW) ranged from 56 to 145 kg, and the waist circumference ranged from 88 to 146 cm. The mean HbA1c was 51.0 mmol/mol. At T2, no statistically significant changes were observed from baseline except for BW [-1.6 (-2.60 to -0.62)] and HbA1c [-2.90 (-4.69; -1.12)].

CONCLUSION: We evaluated the effects of the COVID-19 lockdown on glucometabolic control in patients with background well-controlled T2D. We found that the lockdown had no adverse effects on metabolic profile regardless of background clinical characteristics and antihyperglycemic management. Despite limitations due to the nature of this study (sample size, retrospective observation, lack of data on lifestyle changes in our patients’ everyday lives), T2D patients managed in our Diabetes Centers faced the lockdown-related restrictions without any detrimental consequence.

PMID:36644863 | DOI:10.2174/1871530323666230112165948

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Nevin Manimala Statistics

Rapid systematic review of respiratory rate as a vital sign of clinical deterioration in COVID-19

Expert Rev Respir Med. 2023 Jan 16. doi: 10.1080/17476348.2023.2169138. Online ahead of print.

ABSTRACT

OBJECTIVES: This meta-analysis aimed to establish a clinical evidence base for respiratory rate (RR) as a single predictor of early-onset COVID-19. The review also looked to determine the practical implementation of mobile respiratory rate measuring devices where information was available.

METHODS: We focused on domestic settings with older adults. Relevant studies were identified through MEDLINE, Embase, and CENTRAL databases. A snowballing method was also used. Articles published from the beginning of the COVID-19 pandemic (2019) until Feb 2022 were selected. Databases were searched for terms related to COVID-19 and respiratory rate measurements in domestic patients.

RESULTS: A total of 2,889 articles were screened for relevant content, of which 60 full-text publications were included. We compared the Odds Ratios and statistically significant results of both vital signs.

CONCLUSION: Multinational studies across dozens of countries have shown respiratory rate to have predictive accuracy in detecting COVID-19 deterioration. However, considerable variability is present in the data, making it harder to be sure about the effects. There is no meaningful difference in data quality in terms of variability (95% CI intervals) between vital signs as predictors of decline in COVID-19 patients. Contextual and economic factors will likely determine the choice of measurement used.

PMID:36644851 | DOI:10.1080/17476348.2023.2169138

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Nevin Manimala Statistics

Treatment patterns and clinical outcomes among Medicare beneficiaries using antipsychotic medications for FDA-approved indications before and after transitioning from the community to a nursing home

Curr Med Res Opin. 2023 Jan 16:1-13. doi: 10.1080/03007995.2023.2168418. Online ahead of print.

ABSTRACT

OBJECTIVES: This study examines the relationships between changes in antipsychotic medication (AP) use and acute clinical events (identified with administrative claims data) for patients with FDA-approved indications for APs following transition from the community (eg, home) to a nursing home (NH) in a Medicare population.

METHODS: A retrospective analysis was conducted using 100% Medicare fee-for-service (FFS) research identifiable files (RIF) claims data (2016 – 2018). Medicare beneficiaries with a condition for which APs are approved by the FDA were examined using logistic regression models to determine whether changes in AP use following transition from community to NHs were correlated with the likelihood of experiencing acute clinical events.

RESULTS: We identified 38,448 Medicare FFS beneficiaries meeting our study criteria. A change in AP use after transition to a NH did not have a statistically significant association with acute skeletal events, coronary artery events, or cerebrovascular events (p = 0.55, p = 0.69, and p = 0.59 respectively).

CONCLUSIONS: Between 2016 and 2018, Medicare FFS patients with approved-use indications for APs had lower average AP use following transition to a NH. Changes in the use of other medications of interest largely followed a similar pattern, indicating that these medications did not tend to be used as substitutions for APs. No clear relationship exists between increases or decreases in AP use and adverse events among NH residents who used APs and had FDA-approved conditions in the community setting.

PMID:36644806 | DOI:10.1080/03007995.2023.2168418