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Non-linear association of sleep duration with osteoarthritis among U.S. middle-aged and older adults

BMC Public Health. 2024 Dec 23;24(1):3565. doi: 10.1186/s12889-024-21140-1.

ABSTRACT

BACKGROUND: The duration of sleep is linked to a range of disorders. Osteoarthritis (OA) stands as one of the most prevalent forms of arthritis and serves as a leading cause of disability. The correlation between the duration of sleep and OA remains ambiguous. Research indicates that waist circumference correlates with sleep duration and OA, respectively. This study aimed to investigate the association of sleep duration with OA and the mediated effect of waist circumference.

METHODS: The study sample comprised adults who were participants in the National Health and Nutrition Examination Survey (NHANES) between 2011 and 2018. Insufficient sleep is characterized by a duration of less than seven hours, whereas 7-8 h is considered appropriate, and 9 h or more is categorized as a long sleep duration. Three models were employed in this study. Model 1 was not adjusted for any covariates, while Model 2 was adjusted for sex, age, and race. Model 3 has been adjusted to account for all covariates. Utilizing multivariable logistic regression, subgroup analysis, interaction tests and smoothing curve fitting, the correlation between sleep duration and OA was explored. The mediating effect of waist circumference on the association between sleep duration and OA was investigated through mediation analysis.

RESULTS: In this study, 9380 did not have OA, while 2424 were diagnosed with the ailment. After multivariable adjustment, the odds ratios (OR) for OA were 1.19 (95% CI 1.06, 1.34; P = 0.0026) for people with insufficient sleep duration and 1.18 (95% CI 1.03, 1.35 P = 0.0142) for participants with long sleep duration. Sleep duration and the incidence of OA were found to be related in a U-shaped manner. Additionally, 12.1% of the correlation between sleep duration and OA appeared to be mediated by waist circumference.

CONCLUSIONS: Increased OA was found to be correlated in a U-shaped manner with sleep duration in the middle-aged and elderly cohorts. Both insufficient and long sleep duration contribute to an elevated risk of developing OA. A potential mediating factor in the association between OA and sleep duration is waist circumference. Focus on sleep health and visceral obesity in middle-aged and older adults is necessary.

PMID:39716177 | DOI:10.1186/s12889-024-21140-1

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Effect of wearable robot Bot Fit’s hip joint-centered assist torque and voice coach on walking

BMC Musculoskelet Disord. 2024 Dec 23;25(1):1063. doi: 10.1186/s12891-024-08181-8.

ABSTRACT

BACKGROUND: The main key to the 4th industrial era is robots, and wearable robots are incorporated into human healthcare. Samsung Electronics’ Bot Fit is a hip joint-centered assistive robot that can induce walking posture and energetic walking exercises.

METHODS: This study is a cross-section study. Fifty-eight subjects consisting of older and younger adults participated. The straight walking test was conducted under the conditions of bare body, wearing the wearable robot Bot Fit assist mode, and applying voice coach. Spatio-temporal gait parameters were analyzed and the statistical significance level was set at 0.05.

RESULTS: When assist mode and voice coach were applied, pelvic movement in 3 axes, stride length, and walking speed compared to the bare body increased. In young adults, stride length difference decreased in assist mode 1 and voice coach 1 compared to the bare body.

CONCLUSION: Bot Fit’s assist mode and voice coach method positively influence walking efficiency, posture, stride length, and speed, though potential interaction effects between these interventions should be considered. Personalized, real-time adjustments show promise for optimizing walking exercises, warranting further investigation into their long-term and population-specific effects.

TRIAL REGISTRATION: Clinical Research Information Service, KCT0007974. Registered 12/07/2022.

PMID:39716173 | DOI:10.1186/s12891-024-08181-8

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Lymphatic plastic bronchitis: a study based on CT and MR lymphangiography

BMC Med Imaging. 2024 Dec 23;24(1):348. doi: 10.1186/s12880-024-01504-0.

ABSTRACT

OBJECTIVES: To investigate the diagnostic value of CT lymphangiography (CTL) and non-contrast MR lymphangiography (MRL) in lymphatic plastic bronchitis.

MATERIALS AND METHODS: The clinical and imaging data of 31 patients with lymphatic plastic bronchitis diagnosed by clinical, imaging and pathological results were retrospectively analyzed. All patients underwent CTL and MRL. The imaging findings of patients include: (i) abnormal lymphatic reflux of the bronchial mediastinal trunk, the subclavian trunk, the cervical trunk, the thoracic duct and the right lymphatic duct; Abnormal CTL reflux refers to abnormal iodide deposition outside the normal lymphatic reflux pathway; If the MRL can observe abnormal lymphatic dilatation, hyperplasia, or morphological abnormalities, it is assumed that abnormal lymphatic reflux may be present.; (ii) abnormal morphological changes of lymphatic vessels at the extremity of the thoracic duct, the extremity of the right lymphatic duct and the mediastinum, such as spot-like or tubular, cystic changes; (iii) abnormal CTL and MRL signs in the lungs. The Mcnemar test was used to compare the parameters between CTL and MRL. P< 0.05 was statistically significant. The Kappa test was used to evaluate the consistency of CTL and MRL in evaluating lymphatic plastic bronchitis.

RESULTS: MRL was superior to CTL in detecting abnormal lymphatic reflux in the right lymphatic vessel, thoracic duct, cervical trunk and subclavian trunk (P< 0.05).and the diagnostic consistency was general (Kappa < 0.40). There was no significant difference between MRL and CTL in the detection of abnormal lymphatic reflux in the bronchial mediastinal trunk (P> 0.05), and the diagnostic consistency was good (Kappa > 0.60). MRL was superior to CTL in detecting lymphatic abnormalities such as cystic changes at the extremity of the thoracic duct, spot-like or tubular changes at the extremity of the right lymphatic duct, cystic changes at the extremity of the right lymphatic duct, and cystic changes in the mediastinum (P< 0.05), and the diagnostic consistency was poor, fair, fair, and moderate (Kappa < 0.60), respectively. MRL and CTL showed abnormal signs in the lung: CTL was superior to MRL in showing the thickening of interlobular septum, lung nodules and airway stenosis (P< 0.05), and the diagnostic consistency was moderate, moderate and poor (Kappa < 0.60). There was no significant difference between CTL and MRL in atelectasis, consolidation in lobar and segmental distribution, consolidation in non-lobar and segmental distribution, and the thickening of the bronchovascular bundle (P> 0.05), and the diagnostic consistency was very good, very good, good, good (Kappa > 0.60). There was no significant difference between CTL and MRL in ground glass opacity, airway wall thickening and intralobular interstitial thickening (P> 0.05), and the diagnostic consistency was average, fair and poor (Kappa < 0.40).

CONCLUSION: The MRL is superior to CTL in showing the abnormalities of the thoracic duct, the right lymphatic duct and other abnormal lymphatic vessels. CTL is superior to MRL in the detection of pulmonary abnormalities. The combination of CTL and MRL can provide more comprehensive imaging information for diagnosing and treating lymphatic plastic bronchitis.

PMID:39716172 | DOI:10.1186/s12880-024-01504-0

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Efficacy of vitamin D supplementation on the incidence of preeclampsia: a systematic review and meta-analysis

BMC Pregnancy Childbirth. 2024 Dec 23;24(1):852. doi: 10.1186/s12884-024-07081-y.

ABSTRACT

BACKGROUND: Preeclampsia is a severe pregnancy complication affecting 2-8% of pregnancies globally, contributing to substantial maternal and fetal morbidity and mortality. Vitamin D deficiency has been associated with an increased risk of preeclampsia, yet the efficacy of its supplementation during pregnancy in reducing preeclampsia incidence remains uncertain.

OBJECTIVES: This systematic review and meta-analysis aimed to evaluate the impact of vitamin D supplementation on the incidence of preeclampsia and related maternal and neonatal outcomes.

METHOD: We systematically searched PubMed, Scopus, Cochrane Library, and Web of Science until August 2024 for randomized controlled trials (RCTs) examining the effects of vitamin D supplementation on preeclampsia. Eligible studies included pregnant women with varying doses of vitamin D supplementation compared to placebo or standard care. Primary outcomes were the incidence of pre-eclampsia and preterm labor; secondary outcomes included serum 25-hydroxyvitamin D levels, low birth weight, and APGAR scores. Data were synthesized using R statistical software, with effect measures reported as relative risk (RR) and mean difference (MD) with a 95% confidence interval (CI).

RESULTS: A total of 33 RCTs involving 10,613 participants were included. Vitamin D supplementation significantly reduced the risk of preeclampsia by 44.8% (RR = 0.55, 95% CI [0.43, 0.71], P < 0.0001) and preterm labor by 30% (RR = 0.70, 95% CI [0.51, 0.96], P = 0.0286). Subgroup analyses indicated that the benefits were more pronounced when the control group received a placebo rather than low-dose vitamin D. Serum 25-hydroxyvitamin D levels significantly increased in the supplementation group (MD = 32.42 nmol/L, 95% CI [20.33, 44.50], P < 0.0001). However, no significant differences were observed in the incidence of low birth weight (RR = 0.65, 95% CI [0.42, 1.02], P = 0.057) or Apgar scores at 5 min (MD = 0.20, 95% CI [-0.01, 0.40], P = 0.057).

CONCLUSION: Vitamin D supplementation during pregnancy significantly reduces the risk of preeclampsia and preterm labor, though its impact on neonatal outcomes remains unclear. These findings underscore the potential value of vitamin D supplementation in prenatal care for improving maternal outcomes. Further research is needed to clarify its effects on neonatal health.

PMID:39716171 | DOI:10.1186/s12884-024-07081-y

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Cognitive-motor dual-task training on gait and balance in stroke patients: meta-analytic report and trial sequential analysis of randomized clinical trials

J Neuroeng Rehabil. 2024 Dec 23;21(1):227. doi: 10.1186/s12984-024-01507-6.

ABSTRACT

OBJECTIVE: Cognitive-motor dual-tasking training (CMDT) might improve limb function and motor performance in stroke patients. However, is there enough evidence to prove that it is more effective compared with conventional physical single-task training? This meta-analysis and Trial Sequential Analysis of randomized clinical trials (RCTs) aimed to evaluate the effectiveness of CMDT on balance and gait for treating hemiplegic stroke patients.

METHODS: The databases were searched in PubMed, Web of Science, Ovid Database and The Cochrane Library, SinoMed database, Chinese National Knowledge Infrastructure (CNKI), Wan Fang database, and VIP database up to December 8, 2023. The Cochrane-recommended risk of bias (RoB) 2.0 tool was employed to assess risk of bias in trials. The statistical analysis was employed using R version 4.3.2. In addition, subgroup analyses and meta-regression were performed to explore the possible sources of heterogeneity. The evidence for each outcome was evaluated according to the Grading of Recommendations Assessment, Development, and Evaluation (GRADE) Working Group criteria. The Copenhagen Trial Unit’s Trial Sequential Analysis (version 0.9.5.10 Beta) was used for sequential analysis.

RESULTS: Seventeen randomized clinical trials (RCTs) (n = 751 patients) were included. The results demonstrated that cognitive-motor dual-task training (CMDT) might be beneficial on stroke patients on Berg Balance Scale (BBS) (MD = 4.26, 95% CI 1.82, 6.69, p < 0.0001) (low-quality evidence). However, CMDT might not affect Time Up and Go test (TUG) (MD = -1.28, 95% CI -3.63, 1.06, p = 0.284); and single-task walking speed (MD = 1.35, 95% CI -1.56, 4.27, p = 0.413) in stroke patients (low-quality evidence). The Grading of Recommendations Assessment, Development, and Evaluation (GRADE) results indicated that all findings were very low to low certainty. Trial Sequential Analyses demonstrated larger sample sizes are required for confirming our findings.

CONCLUSION: Cognitive-motor dual-task training (CMDT) compared with conventional physical single-task training might be an effective intervention for improving static balance function in stroke patients (low-quality evidence), which should be interpreted cautiously due to heterogeneity and potential biases. Nevertheless, further research is required to support the abovementioned findings. Trial Registration This protocol was registered in PROSPERO (CRD42023490530).

PMID:39716165 | DOI:10.1186/s12984-024-01507-6

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Association of maternal postpartum depression, anxiety, and stress symptoms: a network analysis

BMC Psychiatry. 2024 Dec 23;24(1):940. doi: 10.1186/s12888-024-06412-9.

ABSTRACT

BACKGROUND: New mothers frequently encounter postpartum depression, anxiety, and stress symptoms, which pose challenges in diagnosis and treatment owing to their intricate interplay. This study employs network analysis to explore the interconnections between these symptoms and identify potential intervention points.

METHODS: The study was carried out from December 2023 to June 2024 at the postpartum clinics of three representative tertiary hospitals in Nantong City. The participants were mothers undergoing their 42-day postpartum check-up. Participants completed the Edinburgh Postnatal Depression Scale (EPDS), the Depression, Anxiety, and Stress Scales (DASS-21), and the Maternal postpartum stress scale (MPSS). The R language was used to construct the network. Network analysis was also carried out to explore the network structure, centrality indices (strength, closeness, betweenness, and expected influence), and the stability of the network.

RESULTS: A total of 625 women were included. The resulting network indicates a close interconnection between communities associated with depression, anxiety, and stress. As assessed on the centrality index, “I have felt sad or miserable” (EPDS-8), “Baby’s irregular patterns of daily sleep” (MPSS-9), “lack of time for myself” (MPSS-19), “I have been so unhappy that I have been crying” (EPDS-4), and “Physical appearance after childbirth” (MPSS-20) are the five most important nodes of these three network structures. High network stability (> 0.7).

CONCLUSION: Postpartum-specific stress symptoms play a significant role in the network of postpartum depression, anxiety, and stress, and identifying the central symptoms of depression, anxiety, and stress can provide a scientific basis for the development of precise interventions.

CLINICAL TRIAL NUMBER: Not Applicable.

PMID:39716162 | DOI:10.1186/s12888-024-06412-9

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Development and evaluation of a clinical nursing decision support system for the prevention of neonatal hypoglycaemia

BMC Med Inform Decis Mak. 2024 Dec 23;24(1):400. doi: 10.1186/s12911-024-02826-3.

ABSTRACT

BACKGROUND: Hypoglycaemia is one of the most common complications during the neonatal period. Recurrent hypoglycaemia episodes can result in neurodevelopmental deficits and even sudden death. Available evidence indicates that healthcare professionals ought to promptly assess the risk of hypoglycaemia in newborns immediately following birth and formulate the most suitable preventive strategies. Consequently, this study was designed to develop a clinical nursing decision support system for neonatal hypoglycaemia prevention based on the prediction model for neonatal hypoglycaemia risk that was developed in a previous study, and to evaluate its efficacy.

METHODS: Nursing process as the theoretical framework, based on evidence-based nursing, standardized nursing language, and clinical decision support technology, the neonatal hypoglycaemia prevention nursing decision support system was developed.This system was implemented in the neonatology department of a tertiary grade A general hospital from September 1st to 30th, 2023.The application efficacy of the system was assessed and compared through the examination of the incidence of neonatal hypoglycemia, adverse outcomes associated with neonatal hypoglycemia, and the experiences of nurses following the implementation of the system.

RESULTS: The incidence of neonatal hypoglycaemia decreased after the system was implemented, and the difference was statistically significant (X2 = 4.522, P = 0.033). None of the neonates experienced adverse outcomes during hospitalization. The rate of hypoglycaemia risk assessment in neonates after system implementation was 92.16%. The total Clinical Nursing Information System Effectiveness Evaluation Scale score was 104.36 ± 1.96.

CONCLUSION: The neonatal hypoglycaemia prevention nursing decision support system realizes neonatal hypoglycaemia risk assessment, intelligent decision-making, and effect evaluation, effectively diminishes the incidence of neonatal hypoglycaemia, and enhances the standardization of neonatal hypoglycaemia management.

PMID:39716159 | DOI:10.1186/s12911-024-02826-3

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Relieving anxiety and depression symptoms through promoting organizational identity and mitigating family-work conflict among medical professionals in digital leadership

BMC Public Health. 2024 Dec 23;24(1):3563. doi: 10.1186/s12889-024-20992-x.

ABSTRACT

BACKGROUND: Digital leadership might be an innovative approach to decreasing the elevated rates of anxiety and depression symptoms among medical professionals, while also enhancing their psychological well-being. This emerging pathway may offer promising strategies to support the mental health of medical professionals. This study seeks to investigate the association among digital leadership, organizational identity, family-work conflict, and anxiety and depression symptoms, and further to uncover the underlying moderating mechanisms interplay.

METHODS: A cross-sectional online survey with 657 valid data were collected from four tertiary hospitals in Harbin, Heilongjiang Province, China, with a response rate of 69.3%. The statistical analysis was conducted employing IBM SPSS Statistics 22.0. Hierarchical regression analysis was performed to scrutinize the pertinent factors associated with anxiety and depression symptoms among medical professionals, while also evaluating the moderating influence of organizational identity and family-work conflict on the nexus among those.

RESULTS: The prevalence of anxiety and depression symptoms among medical professionals was 50.1%. Anxiety and depression symptoms were negatively correlated with digital leadership (r= -0.278, p < 0.01) and organizational identity (r = – 0.318, p < 0.01), and positively correlated with family-work conflict (r = 0.445, p < 0.01). Organizational identity (β = – 0.938, p < 0.05) and family-work conflict (β = 0.698, p < 0.05) moderate the relationship between digital leadership and anxiety and depression symptoms; The results of the simple slope analysis indicated that high organizational identity and low family-work conflict strengthened the effect of digital leadership on anxiety and depression symptoms among Chinese medical professionals.

CONCLUSIONS: The prevalence of anxiety and depression symptoms among medical professionals was noted to be high. This study posits that strengthening digital leadership could apparently improve anxiety and depression symptoms among medical professionals. Moreover, it highlights the moderating role of organizational identity and family-work conflict in the relationship between digital leadership and anxiety and depression symptoms. These discoveries underscore the significance of implementing support and interventions to enhance the mental well-being of medical professionals, encompassing the cultivation of organizational identity, reduction of family-work conflict, and acknowledgment of the potential role of digital leadership in addressing mental health challenges.

PMID:39716125 | DOI:10.1186/s12889-024-20992-x

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Risk factors and outcomes of postoperative extubation failure in children with fourth ventricular tumors: a case control study

BMC Pediatr. 2024 Dec 23;24(1):833. doi: 10.1186/s12887-024-05320-x.

ABSTRACT

BACKGROUND AND OBJECTIVE: Microsurgical resection of tumor is an important treatment for children with fourth ventricular tumors. There is a lack of data describing risk factors for postoperative extubation failure (EF) in these children. We aimed to identify risk factors for EF in children with fourth ventricular tumors and to determine the association between EF and clinical outcomes.

METHODS: A retrospective study review of children after fourth ventricular tumors surgery who had an extubation attempt between January 2020 to December 2023. Extubation failure was defined as re-intubation within 7 days of extubation. Multivariate logistic regression analysis was performed to explore the risk factors for EF. Bivariate statistical analysis was performed to determine associations between EF and clinical outcomes. Only the first extubation attempt was included in the analysis.

RESULTS: We included 103 children, of whom 10 (9.7%) experienced EF. In the logistic regression analysis, a weak/absent cough reflex was independently associated with EF (p < 0.001). Compared to those with a fair/ strong cough, patients with a weak/absent cough had a odds ratio (OR) of 41.25 for EF (95% CI,8.01-212.37; p < 0.001).Glasgow Coma Score(GCS), the obvious adhesion between the tumor and the fourth ventricle floor, and pulmonary variables were not associated with EF. Children who failed extubation had longer durations of mechanical ventilation [13 days (IQR 6.8-22.8) vs. 1 days (IQR 0.5-3), p < 0.001]; longer PICU lengths of stay [16.5 days (IQR 9.4-27.5) vs. 2 days (IQR1.5-4.3), p < 0.001] and longer hospital lengths of stay [27 days (IQR 21-31.8) vs. 20 days (IQR16-29), p = 0.05] than successfully extubated children.

CONCLUSIONS: Children with weak/absent cough reflex after surgery are at increased risk for extubation failure. Extubation failure is associated with significant adverse outcomes in our setting.

PMID:39716124 | DOI:10.1186/s12887-024-05320-x

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Evaluating fatigue resistance in occlusal veneers: a comparative study of processing techniques and material thickness of lithium disilicate (IPS e.max Press vs. IPS e.max CAD)

BMC Oral Health. 2024 Dec 23;24(1):1542. doi: 10.1186/s12903-024-05347-7.

ABSTRACT

BACKGROUND: Lithium disilicate occlusal veneers are popular for minimally invasive posterior teeth restoration. The aim of this study was to compare the fatigue resistance and crack pattern of lithium disilicate occlusal veneers fabricated using pressing and milling techniques with varying thicknesses.

METHODS: Sixty lithium disilicate discs, representing occlusal veneers, were divided into four groups (n = 15) based on processing technique (IPS e.max Press or IPS e.max CAD) and thickness (0.5 or 0.8 mm). A step-stress fatigue test was applied with axial loading, consisting of 10,000 cycles/step with a step size of 50 N until failure. Fractographic analysis was performed using SEM. Statistical analysis was performed using the Kaplan-Meier test, Mantel-Cox test, and Weibull analysis.

RESULTS: Both processing techniques resulted in similar fatigue resistances at 0.5 mm and 0.8 mm thicknesses. However, the 0.8 mm lithium disilicate restorations showed a significantly higher survival rate than the 0.5 mm lithium disilicate restorations (log-rank tests, χ2 = 58.6; df = 3; P < 0.001). Fractographic analysis revealed radial cracks originating from defects on the ceramic surface at the cementing interface, extending towards the occlusal surface.

CONCLUSIONS: At 0.5 mm or 0.8 mm material thickness, the processing technique did not affect the fatigue resistance or crack patterns of the lithium disilicate occlusal veneers. However, the lithium disilicate with a thickness of 0.8 mm exhibited a superior survival probability compared to that with a thickness of 0.5 mm.

PMID:39716117 | DOI:10.1186/s12903-024-05347-7