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Nevin Manimala Statistics

The IndieTrainer system: a small-scale trial exploring a new approach to support powered mobility skill acquisition in children

Disabil Rehabil Assist Technol. 2024 Mar 7:1-9. doi: 10.1080/17483107.2024.2325563. Online ahead of print.

ABSTRACT

The IndieTrainer system, consisting of a mobility device and video-based gamified training modules, was developed to assist children in attaining power wheelchair (PWC) skills. The purposes of this small-scale trial were to explore the use of the IndieTrainer system to provide PWC skills training and document parental satisfaction with the IndieTrainer system. We hypothesized that PWC skills training provided using the IndieTrainer system would result in improvements in both children’s understanding of how to use a PWC and their PWC skill execution, and that parental satisfaction would be high. An open-label, single-arm trial was conduct as follows: (a) Baseline testing (T0); (b) A 3-week intervention consisting of two, 60-min-PWC skills training sessions per week; (c) Post-intervention testing (T1); and (d) A single session retention trial held 4 weeks after completion of the intervention (T2). Outcome measures included the Assessment of Learning Powered mobility use (ALP), Wheelchair Skills Checklist (WSC), Canadian Occupational Performance Measure (COPM), and Client Satisfaction Questionnaire-8 (CSQ-8). 25 child/parent dyads participated. Between T0 and T1, statistically significant differences (p-value <.0001) with large effect sizes in mean ALP and WSC scores (ALP: d = 3.14; WSC: d = 3.25) and COPM performance and satisfaction scores (Performance: d = 4.66; Satisfaction: d = 3.24) were achieved. Mean T1 total CSQ-8 score was 31.52/32. At T2, all children maintained or improved their T1 ALP and WSC scores. This study provides initial support for the usability and feasibility of the IndieTrainer system. Futhermore, larger scaled studies using more rigorous research designs are indicated.

PMID:38450569 | DOI:10.1080/17483107.2024.2325563

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Disparities in Patient Reported Outcome Measure Completion Rates and Baseline Function in Newly Presenting Spine Patients

Spine (Phila Pa 1976). 2024 Mar 7. doi: 10.1097/BRS.0000000000004977. Online ahead of print.

ABSTRACT

STUDY DESIGN: Retrospective Review.

OBJECTIVE: The purpose of this study was to evaluate disparities in patient reported outcome measures (PROM) completion rates and baseline function scores among newly presenting spine patients.

SUMMARY OF BACKGROUND DATA: Prior studies have demonstrated that minority patients and those of low socioeconomic status may present with worse physical and mental health on PROMs. As PROMs are increasingly used in clinical care, research, and health policy, accurate assessment of health status among populations relies on the successful completion of PROM instruments.

METHODS: A retrospective review of 10,803 consecutive new patients presenting to a single multidisciplinary spine clinic from June 2020 to September 2022 was performed. Univariate statistics were performed to compare demographics between patients who did and did not complete PROMs. Multivariable analysis was used to compare PROM instrument completion rates by race, ethnicity, and Social Vulnerability Index (SVI) and baseline scores among responders.

RESULTS: 68.4% of patients completed PROMs at the first clinic visit. After adjusting for age, sex, body mass index, and diagnosis type, patients of non-white race (OR=0.661, 95%-CI=0.599-0.729, P<0.001), Hispanic ethnicity (OR=0.569, 95%-CI=0.448-0.721, P<0.001), and increased social vulnerability (OR=0.608, 95%-CI=0.511-0.723, P<0.001) were less likely to complete PROMs. In the multivariable models, patients of non-white race reported lower levels of physical function (β=-6.5, 95%-CI=-12.4 to -0.6, P=0.032) and higher levels of pain intensity (β=0.6, 95%-CI=0.2-1.0, P=0.005). Hispanic ethnicity (β=1.5, 95%-CI=0.5-2.5, P=0.004) and increased social vulnerability (β=1.1, 95%-CI=0.4-1.8, P=0.002) were each associated with increased pain intensity.

CONCLUSION: Among newly presenting spine patients, those of non-white race, Hispanic ethnicity, and with increased social vulnerability were less likely to complete PROMs. As these subpopulations also reported worse physical function or pain intensity, additional strategies are needed to better capture patient reported health status in order to avoid bias in clinical care, outcomes research and health policy.

PMID:38450562 | DOI:10.1097/BRS.0000000000004977

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A randomized clinical trial for meal bolus decision using learning-based control in adults with type 2 diabetes

J Clin Endocrinol Metab. 2024 Mar 7:dgae143. doi: 10.1210/clinem/dgae143. Online ahead of print.

ABSTRACT

BACKGROUND: We proposed an artificial-pancreas-like algorithm (AP-A) which could automatically determine the pre-prandial insulin dose based on intermittently scanned continuous glucose monitoring (isCGM) data trajectories in multiple dose injection (MDI) therapy. We aim to determine whether pre-prandial insulin dose adjustments guided by the AP-A is as effective and safe as physician decisions.

METHODS: We performed a randomized, single-blind, clinical trial at a tertiary, referral hospital in Beijing, China. Type 2 diabetes participants were eligible if they were aged 18 years, with a glycated hemoglobin of 8.0% or higher. Eligible participants were randomly assigned (1:1) to the AP-A arm supervised by physician and the conventional physician treatment arm. The primary objective was to compare percentage time spent with sensor glucose level in 3.9-10.0 mmol/L (TIR) between the two study arms. Safety was assessed by the percentage time spent with sensor glucose level below 3.0 mmol/L (TBR).

RESULTS: 140 participants were screened, of whom 119 were randomly assigned to AP-A arm (n = 59) or physician arm (n = 60). The TIR achieved by the AP-A arm was statistically non-inferior compared with the control arm (72.4% (63.3-82.1) vs. 71.2% (54.9-81.4)), with a median difference of 1.33% (95% CI, -6.00 to 10.94, non-inferiority margin -7.5%). TBR was also statistically non-inferior between the AP-A and control arms (0.0% (0.0-0.0) vs. 0.0% (0.0-0.0), respectively; median difference (95% CI, 0.00% (0.00 to 0.00), non-inferiority margin 2.0%).

CONCLUSIONS: The AP-A supported physician titration of pre-prandial insulin dosage offers non-inferior glycemic control compared with optimal physician care in type 2 diabetes.

PMID:38450556 | DOI:10.1210/clinem/dgae143

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Evaluation of handgrip strength in children with pulmonary hypertension

Cardiol Young. 2024 Mar 7:1-5. doi: 10.1017/S1047951124000398. Online ahead of print.

ABSTRACT

BACKGROUND: Handgrip strength is a crucial indicator of upper extremity muscular strength and is vital for monitoring disorders like cardiac diseases that restrict a patient’s physical activity and result in muscle atrophy. The aim of our study was to evaluate whether muscle strength loss is present in patients with pulmonary hypertension and whether this test can be an alternative to 6-minute walk test.

MATERIALS AND METHODS: The study included 39 healthy children who were admitted to the outpatient clinic and 16 children with a diagnosis of pulmonary hypertension who were being followed in our centre. We assessed the differences in upper extremity handgrip strength using the Jamar Hydraulic Hand Dynamometer device among both healthy children and those diagnosed with pulmonary hypertension. Moreover, we compared the handgrip strength of pulmonary hypertension patients with significant prognostic indicators such as NYHA class, 6-minute walk test, and pro-brain natriuretic peptide.

RESULTS: The mean dominant handgrip strength was 20.8 ± 12 kg in the patient group and 21.6 ± 12.4 kg in the control group (p = 0.970). Handgrip strength was shown to be negatively connected with pro-brain natriuretic peptide (r = -0.565, p = 0.023) and positively correlated with 6-minute walk test (r = 0.586, p = 0.022) during the patient group evaluation.

CONCLUSION: Six-minute walk test needs a customised physical area (30 m of a straight hallway) and trained personnel for applying the test. The handgrip strength test, a different muscle strength indicator, can be used to more clearly and simply indicate the decline in patients’ ability for effort. Additionally, it was found in our study that handgrip strength decreased as pro-brain natriuretic peptide levels rose, a crucial measure in the monitoring of pulmonary hypertension.

PMID:38450520 | DOI:10.1017/S1047951124000398

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Impact on weight loss and body composition of a food education intervention associated with Liraglutide treatment to address obesity

Nutr Hosp. 2024 Feb 8. doi: 10.20960/nh.04995. Online ahead of print.

ABSTRACT

INTRODUCTION: clinical practice guidelines recommend considering pharmacological treatment of obesity only as a complement to lifestyle modification. Drugs alone are usually ineffective in the long term after discontinuation, so pharmacological weight loss strategies should always be accompanied by lifestyle modifications.

OBJECTIVE: to analyze the changes in weight, body mass index and body composition by means of electrical bioimpedance after a 32-week treatment with liraglutide in patients with obesity, associated or not with a food education program.

MATERIALS AND METHODS: the study involved 68 patients who were randomly divided into 2 groups. One group received treatment with liraglutide 3.0 mg/day along with individual dietary education, and the other group was treated with liraglutide 3.0 mg/day and standard medical follow-up for 32 weeks. The data collected were weight (kg), height (m) (Seca® brand), body mass index (kg/m2) and body composition using multifrequency bioimpedance (SECA 112® brand). The variables were analyzed at the beginning and at the end of the treatment.

RESULTS: after 32 weeks of treatment, both study groups lost weight significantly. The group treated with liraglutide and individual dietary education had a reduction of 8.77 kg (9.08 %) (p < 0.001) and the group treated with liraglutide without education had a reduction of 3.55 kg (3.45 %) (p < 0.001). The BMI of the participants treated with liraglutide and education decreased by -4,04 kg/m2 (10.35 %) (p < 0.001) and in the group without education it decreased by -3.22 kg/m2 (8.30 %) (p = 0.003). In the educated group, fat mass decreased by -7.65 kg (15.89 %) (p < 0.001), although skeletal muscle mass also decreased by -1.62 kg (6.8 %) (p < 0.001). In those treated with liraglutide without education, a reduction in fat mass and skeletal muscle mass was also observed – fat mass by -4.72 kg (9.43 %) (p < 0.001) and skeletal muscle mass by -0.17 kg (0.70 %) (p < 0.001). Differences were also observed between groups, observing a greater reduction in weight, BMI, fat mass and skeletal muscle mass in the group with liraglutide and education compared to the group without education, although these differences were not statistically significant.

CONCLUSIONS: dietary education associated with liraglutide treatment may contribute to increasing weight loss and fat mass. However, it was also associated with an unwanted loss of skeletal muscle mass, probably related to the greater intensity of weight loss, which will have to be reversed in future therapeutic approaches. Habit modification through multidisciplinary treatment, including nutritional education, combined strength and resistance exercise, and cognitive-behavioral therapy, could be an effective way to treat obesity and maintain weight, body composition, and adherence to a lifestyle.

PMID:38450509 | DOI:10.20960/nh.04995

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Analysis of haemodynamics surrounding blood transfusions after the arterial switch operation: a pilot study utilising real-time telemetry high-frequency data capture

Cardiol Young. 2024 Mar 7:1-8. doi: 10.1017/S104795112400009X. Online ahead of print.

ABSTRACT

BACKGROUND: Packed red blood cell transfusions occur frequently after congenital heart surgery to augment haemodynamics, with limited understanding of efficacy. The goal of this study was to analyse the hemodynamic response to packed red blood cell transfusions in a single cohort, as “proof-of-concept” utilising high-frequency data capture of real-time telemetry monitoring.

METHODS: Retrospective review of patients after the arterial switch operation receiving packed red blood cell transfusions from 15 July 2020 to 15 July 2021. Hemodynamic parameters were collected from a high-frequency data capture system (SickbayTM) continuously recording vital signs from bedside monitors and analysed in 5-minute intervals up to 6 hours before, 4 hours during, and 6 hours after packed red blood cell transfusions-up to 57,600 vital signs per packed red blood cell transfusions. Variables related to oxygen balance included blood gas co-oximetry, lactate levels, near-infrared spectroscopy, and ventilator settings. Analgesic, sedative, and vasoactive infusions were also collected.

RESULTS: Six patients, at 8.5[IQR:5-22] days old and weighing 3.1[IQR:2.8-3.2]kg, received transfusions following the arterial switch operation. There were 10 packed red blood cell transfusions administered with a median dose of 10[IQR:10-15]mL/kg over 169[IQR:110-190]min; at median post-operative hour 36[IQR:10-40]. Significant increases in systolic and mean arterial blood pressures by 5-12.5% at 3 hours after packed red blood cell transfusions were observed, while renal near-infrared spectroscopy increased by 6.2% post-transfusion. No significant changes in ventilation, vasoactive support, or laboratory values related to oxygen balance were observed.

CONCLUSIONS: Packed red blood cell transfusions given after the arterial switch operation increased arterial blood pressure by 5-12.5% for 3 hours and renal near-infrared spectroscopy by 6.2%. High-frequency data capture systems can be leveraged to provide novel insights into the hemodynamic response to commonly used therapies such as packed red blood cell transfusions after paediatric cardiac surgery.

PMID:38450505 | DOI:10.1017/S104795112400009X

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Effectiveness of a WHO self-help psychological intervention to alleviate stress among healthcare workers in the context of COVID-19 in China: a randomised controlled trial

Epidemiol Psychiatr Sci. 2024 Mar 7;33:e11. doi: 10.1017/S2045796024000106.

ABSTRACT

AIMS: To examine the effectiveness of Self-Help Plus (SH+) as an intervention for alleviating stress levels and mental health problems among healthcare workers.

METHODS: This was a prospective, two-arm, unblinded, parallel-designed randomised controlled trial. Participants were recruited at all levels of medical facilities within all municipal districts of Guangzhou. Eligible participants were adult healthcare workers experiencing psychological stress (10-item Perceived Stress Scale scores of ≥15) but without serious mental health problems or active suicidal ideation. A self-help psychological intervention developed by the World Health Organization in alleviating psychological stress and preventing the development of mental health problems. The primary outcome was psychological stress, assessed at the 3-month follow-up. Secondary outcomes were depression symptoms, anxiety symptoms, insomnia, positive affect (PA) and self-kindness assessed at the 3-month follow-up.

RESULTS: Between November 2021 and April 2022, 270 participants were enrolled and randomly assigned to either SH+ (n = 135) or the control group (n = 135). The SH+ group had significantly lower stress at the 3-month follow-up (b = -1.23, 95% CI = -2.36, -0.10, p = 0.033) compared to the control group. The interaction effect indicated that the intervention effect in reducing stress differed over time (b = -0.89, 95% CI = -1.50, -0.27, p = 0.005). Analysis of the secondary outcomes suggested that SH+ led to statistically significant improvements in most of the secondary outcomes, including depression, insomnia, PA and self-kindness.

CONCLUSIONS: This is the first known randomised controlled trial ever conducted to improve stress and mental health problems among healthcare workers experiencing psychological stress in a low-resource setting. SH+ was found to be an effective strategy for alleviating psychological stress and reducing symptoms of common mental problems. SH+ has the potential to be scaled-up as a public health strategy to reduce the burden of mental health problems in healthcare workers exposed to high levels of stress.

PMID:38450478 | DOI:10.1017/S2045796024000106

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New possibilities for reparative therapy of dry eye syndrome

Vestn Oftalmol. 2024;140(1):58-64. doi: 10.17116/oftalma202414001158.

ABSTRACT

In recent years, among artificial tear preparations that have additional metabolic properties, in addition to moisturizing the ocular surface, there has been a drug Optinol Soft Recovery (LLC JADRAN). In addition to 0.15% sodium hyaluronate, it contains 2% dexpanthenol, which stimulates reparative regeneration of the corneal epithelium, in particular in patients with dry eye syndrome (DES).

PURPOSE: This study evaluates the clinical efficacy of the drug Optinol Soft Recovery in the treatment of patients with DES accompanied by xerotic changes in the corneal epithelium.

MATERIAL AND METHODS: The study included 82 patients (15 children and 65 adults) with moderate and severe DES accompanied by the following corneal pathology: filamentous keratitis (20 patients, 33 eyes), persistent corneal erosion (28 patients, 49 eyes) and punctate keratopathy (34 patients, 68 eyes).

RESULTS: All patients receiving fourfold instillations of the studied drug were observed already during the first 7 days to have increased stability of the tear film and decreased severity of staining of the cornea and conjunctiva with vital dyes (0.1% sodium fluorescein and 3% lissamine green, respectively). Further, as the patients were transferred to an individual instillation regimen, a progressive decrease in the Ocular Surface Disease Index (OSDI), an increase in corneal sensitivity and tear meniscus index were also recorded. The differences in most parameters of the course of xerosis compared to the initial ones were statistically significant starting from day 10-20 of therapy, depending on the initial severity of corneal xerosis (p<0.05-0.001).

CONCLUSION: Patients with moderate DES complicated by punctate keratopathy were the most susceptible to therapy with the drug Optinol Soft Recovery, while patients with filamentous keratitis secondary to a severe clinical form of DES were the least susceptible.

PMID:38450467 | DOI:10.17116/oftalma202414001158

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Structural and functional features of the eye in Marfan syndrome. Report 1. Changes in the fibrous tunic of the eye

Vestn Oftalmol. 2024;140(1):5-10. doi: 10.17116/oftalma20241400115.

ABSTRACT

Marfan syndrome (MS) is an orphan hereditary connective tissue disease associated with a mutation in the FBN1 gene, which pathological manifestations are characterized by polysystemic involvement. The fibrillin-1 protein is an integral component of the sclera and cornea of the eye, and in MS its structure is distrubed.

PURPOSE: This study assesses potential structural and functional changes in the cornea and sclera of a patient with MS.

MATERIAL AND METHODS: Two groups were formed, comparable in the axial length of the eye and age: the main group – 19 patients (38 eyes) with a verified diagnosis of MS, and the control group – 24 patients (48 eyes) with myopia of varying degrees. The results obtained from MS patients were analyzed depending on the absence or presence of ectopia lentis. In addition to measuring the basic ophthalmological parameters (refraction, axial length, visual acuity), topographic keratometry, anterior segment optical coherence tomography, and ocular response analyzer were used for structural and functional assessment of the cornea and sclera.

RESULTS: In MS there was a statistically significant increase in the radius of curvature and a decrease in corneal refraction in the central zone compared to the control group. There were no significant differences in central corneal thickness, but there was a significant decrease in the thickness of the sclera in the limbal zone compared to the control group. There were no statistically significant changes in corneal hysteresis and corneal resistance factor in MS.

CONCLUSION: This study confirmed the previously obtained data on the tendency of the optical power to reliably decrease in MS (flattening of the cornea). This symptom can be considered as a compensatory factor affecting clinical refraction, while the decrease in the thickness of the sclera – as the main reason for aaxial length elongation in MS. There were no clear patterns of dependence of the changes in the cornea and sclera analyzed in this study on the presence or absence of ectopia lentis. Changes in the lens, perhaps, should be regarded only as one of the potential components of the ocular symptom complex in MS.

PMID:38450460 | DOI:10.17116/oftalma20241400115

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Determining the Impact of Hurricane Dorian and the Covid-19 Pandemic on Moral Distress in Emergency Medical Providers at the Rand Memorial Hospital: Moral distress in emergency medical personnel

Disaster Med Public Health Prep. 2024 Mar 7;18:e42. doi: 10.1017/dmp.2024.28.

ABSTRACT

OBJECTIVES: The aim of this work was to determine the impact of Moral Distress (MD) in emergency physicians, nurses, and emergency medical service staff at the Rand Memorial Hospital (RMH) in the Bahamas, and the impact of Hurricane Dorian and the COVID-19 pandemic on Moral Distress.

METHOD: A cross-sectional study utilizing a 3-part survey, which collected sociodemographic information, Hurricane Dorian and COVID-19 experiences, as well as responses to a validated modified Moral Distress Scale (MDS).

RESULTS: Participants with 2 negatively impactful experiences from COVID-19 had statistically significantly increased MD compared to participants with only 1 negatively impactful experience (40.4 vs. 23.6, P = 0.014). Losing a loved one due to COVID-19 was associated with significantly decreased MD (B = – 0.42, 95% CI -19.70 to -0.88, P = 0.03). Losing a loved one due to Hurricane Dorian had a non-statistically significant trend towards higher MD scores (B = 0.34, 95% CI -1.23 to 28.75, P = 0.07).

CONCLUSION: The emergency medical staff at the RMH reported having mild – moderate MD. This is one of the first studies to look at the impact of concurrent disasters on MD in emergency medical providers in the Bahamas.

PMID:38450454 | DOI:10.1017/dmp.2024.28