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Nevin Manimala Statistics

A multidisciplinary primary prevention intervention to increase adherence to the Mediterranean diet: a pilot study

BMC Public Health. 2023 Oct 19;23(1):2051. doi: 10.1186/s12889-023-16893-0.

ABSTRACT

BACKGROUND: The role of the Mediterranean Diet (MD) in reducing cardiovascular (CV) risk is widely demonstrated and many studies have shown the effectiveness of educational interventions in primary prevention. This study aimed to evaluate the impact of a multidisciplinary educational intervention, that included nutritional, psychological and physical activity coaching, on adherence to MD and on CV risk.

METHODS: In a Roman neighborhood, general practitioners enrolled 41 subjects to take part in the educational intervention from November 2018 (T0) to November 2019 (T1). Participants’ anthropometric measures, haematochemical parameters and CV risk score were assessed before and after the intervention. Furthermore, their adherence to MD was evaluated through the analysis of food frequency questionnaires using Medi-Lite.

RESULTS: The study found a significant reduction of 2.5 points in individual CV risk score, and an increase of 2.5 point in adherence to the MD. The stratification by gender showed statistically significant decreases in weight of 1.16 kg, BMI of 0.47, LDL cholesterol of 14.00 mg/dL, and individual CV risk score of 1.16 points among female participants.

CONCLUSIONS: These results show that a multidisciplinary educational intervention model including the adoption of MD could be an effective strategy in Public Health for CV primary prevention and improvement of people’s lifestyles.

PMID:37980473 | DOI:10.1186/s12889-023-16893-0

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The effectiveness of Carie-Care™, chemomechanical caries removal technique in primary teeth: randomized controlled clinical trial

BMC Oral Health. 2023 Nov 18;23(1):882. doi: 10.1186/s12903-023-03594-8.

ABSTRACT

BACKGROUND: Chemomechanical techniques for caries removal have been introduced to overcome the shortcomings of the conventional rotatory instruments. This study aimed to clinically evaluate the effectiveness of the chemomechanical method of caries removal (Carie-Care™) over mechanical caries removal through the Atraumatic Restorative Technique in pediatric patients.

METHODS: A randomized controlled clinical trial was conducted. Fifty children fulfilling inclusion criteria were recruited from the outpatient clinic of Pediatric and Dental Public health department, Faculty of Dentistry, Alexandria University. Fifty open carious primary molars were randomly assigned into 2 equal groups according to the method of caries removal. In Group I (test group), caries was removed using the Carie-Care™ system and in Group II (control group), by using mechanical caries removal through the atraumatic restorative technique. Resin modified glass ionomer was used for teeth restoration, the two techniques were compared in each child according to time taken for caries removal, efficacy of caries removal, pain assessment, and child behavior.

RESULTS: The mean time taken for caries removal in the Carie-Care™ treatment group was (575.6 ± 114.8) seconds which was statistically significant higher as compared with the ART treatment group (346.1 ± 97.4) seconds (p < 0.001). The mean score of efficacy in caries removal was (0.6 ± 0.8) in the Carie-Care™ group, and (1.3 ± 0.7) in the ART treatment group. When compared to ART, Carie-Care™ was significantly more efficient in caries removal (p < 0.002). When pain was assessed by the SEM scale, it was observed that the Carie-Care™ caries removal technique showed statistically significantly more comfort during the procedure compared with the ART procedure (p < 0.001).Moreover, children in the Carie-Care™ group enjoyed the process and showed more cooperative behavior when assessed at the end of procedure than those in the ART group with statistically significant difference (p = 0.002).

CONCLUSIONS: Removal of carious tissue in primary teeth using Chemomechanical Carie-Care™ gel proved to be more time consuming than ART, but on the other hand it was more efficient, comfortable, and accepted by the pediatric patients.

PMID:37980471 | DOI:10.1186/s12903-023-03594-8

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Experience with the management of 2599 cases of congenital muscular torticollis and a multicenter epidemiological investigation in 17 hospitals in China

BMC Musculoskelet Disord. 2023 Nov 18;24(1):901. doi: 10.1186/s12891-023-06983-w.

ABSTRACT

BACKGROUND: Congenital muscular torticollis (CMT) is a common musculoskeletal disease affecting infants and young children. If CMT is not treated correctly and timely, it can lead to limited head and neck movements, head and neck deviation, and abnormal posture. In order to improve patients’ symptoms and alleviate the negative impact of the disease on their lives, we are committed to exploring the treatment of CMT.

METHODS: The general clinical and ultrasonographic data of 2599 children with CMT who received standardized treatment at Shenzhen Children’s Hospital from 2004 to 2020 were retrospectively reviewed. According to given treatment, children with CMT were divided into the physiotherapy group, physiotherapy combined with glucocorticoid treatment group, and surgical treatment group. We divided children with CMT into local mass, uniform thickening, and atrophy according to ultrasound features. General clinical information, treatment, and ultrasound examination data in each group were compared. Additionally, electronic medical records of 2344 patients admitted due to CMT in 17 tertiary children’s hospitals of China’s Futang Research Center of Pediatric Development (FRCPD) from 2015 to 2019 were retrospectively analyzed. Data on sex, age, year of admission and discharge, and treatment costs during hospitalization were extracted from the first medical record pages according to the ICD codes. The data were assessed for normality using the Kolmogorov-Smirnov test. Depending on the data distribution, they were analyzed using parametric tests, such as the t-test, or non-parametric tests. Qualitative data are expressed as percentages (%) and analyzed using the chi-square or Fisher’s exact probability test, with α = 0.05 as the test level. P < 0.05 was considered to be indicative of a statistically significant difference.

RESULTS: Three types of CMT were defined based on sternocleidomastoid muscle ultrasound examination characteristics: local mass, uniform thickening, and atrophy. Age at first diagnosis was 69.21 ± 108.41 days in local mass type group, 216.85 ± 324.09 days in uniform thickening group, and 417.88 ± 739.05 days in atrophy- type group; while age at first physiotherapy use was 94.06 ± 206.49 days, 255.00 ± 430.62 days, 540.92 ± 1059.29 respectively. The children included in local mass type group have shown a high success rate of conservative treatment, with a rate of 7.5% of children underwent surgery. Age at first diagnosis was 112.44 ± 224.12 days in the physiotherapy group, 115.87 ± 144.86 days in the physiotherapy combined with glucocorticoid treatment subgroup, whereas the age at first physiotherapy use was 137.38 ± 312.11 and 196.91 ± 344.26 days respectively. In the observation period (2015-2019) the mean age at surgery for CMT in 17 tertiary children’s hospitals of the FRCPD was 50 months. Overall, 663 children with CMT were 1-2 years of age, accounting for the largest proportion (28.3%). Followed by 417 individuals (17.8%) were 7-14 years of age, indicating that there are still more children with CMT receiving surgical treatment later.

CONCLUSIONS: Early diagnosis and treatment are essential to improve the conservative treatment success rate and achieve good prognosis in children with CMT. Our team’s concept for treating CMT is as follows: after diagnosing the children, we will adopt the standardized protocol of treatment, with physiotherapy combined with the injection of glucocorticoid drugs and SCM release surgery, when needed. This program has a high conservative treatment success rate and may facilitate the achievement of better prognosis and reduced teratogenicity rate.

PMID:37980469 | DOI:10.1186/s12891-023-06983-w

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Calcium phosphate cement promotes the stability of osteoporotic lumbar pedicle screw by enhancer-injecters with different number of holes

BMC Surg. 2023 Nov 18;23(1):354. doi: 10.1186/s12893-023-02235-9.

ABSTRACT

BACKGROUNDS: This study aimed to compare whether Calcium phosphate cement (CPC) promotes the stability of osteoporotic lumbar pedicle screw by enhancer-injecters with different number of holes.

METHODS: Through a self-designed bone cement injection device, the pedicle screw canal was strengthened with calcium phosphate bone cement, and divided into 4-hole group, 6-hole group, 8-hole group, straight pore group and the control group. The screw was inserted into the mechanical test module, the Maximum insertion torque and Maximum axial pull-out strength were recorded, and the distribution of calcium phosphate bone cement was analyzed by CT and X-ray. The data results were analyzed using SPSS19.0 statistical software package.

RESULTS: The distribution of bone cement in different reinforcement groups was different and showed regularity. The bone cement in the 4-hole group was roughly located in the head 1/3 of the screw, the 6-hole group was located in the middle 1/3 of the screw, and the 8-hole group was located in the caudal 1/3 of the screw. Compared with the control group, the maximum axial pull-out force of screws in the lateral hole and full screw tunnel reinforcement group was significantly increased. There was no significant difference between the 4-hole, 6-hole and straight pore groups. There was no difference in the screw-in torque between the reinforcement groups, and they all increased significantly compared with the control group, and the difference was statistically significant. After the screw was pulled out, the interface between the bone cement and the polyurethane material was fractured, and a tight package was formed with the screw.

CONCLUSIONS: Enhancer syringes with different hole numbers combined with CPC bone cement injection can significantly increase the maximum screw pull-out force. The 8-hole group has a smaller pull-out force and is relatively prone to leakage of reinforcing material, which lacks safety in use. The local reinforcement of 4-hole and 6-hole sheath can play a similar role to that of total nail tunnel reinforcement.

PMID:37980464 | DOI:10.1186/s12893-023-02235-9

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Humoral immunogenicity assessment after receiving three types of SARS-CoV-2 vaccine

Sci Rep. 2023 Nov 18;13(1):20213. doi: 10.1038/s41598-023-47611-w.

ABSTRACT

Several vaccines have been developed against SARS-CoV-2 and subsequently approved by national/international regulators. Detecting specific antibodies after vaccination enables us to evaluate the vaccine’s effectiveness. We conducted a prospective longitudinal study among members of Tarbiat Modares University of Tehran, Iran, from 4 September 2021 until 29 December 2021. We aimed to compare the humoral immunogenicity of 3 vaccine types. Participants consisted of 462 adults. Anti-SARS-CoV-2 receptor-binding domain [RBD] IgG titer was compared in 3 groups, each vaccinated by available vaccines in Iran at the time: Oxford/AstraZeneca, COVIran Barekat, and Sinopharm. The median IgG titer was: 91.2, 105.6, 224.0 BAU/ml for Sinopharm, COVIran Barekat and Oxford/AstraZeneca respectively after the first dose; 195.2, 192.0, 337.6 BAU/ml after the second one. We also analyzed the frequency of antibody presence in each vaccine group, in the same order the results were 59.0%, 62.6% and 89.4% after the first dose and 92.1%,89.5% and 98.9% after the second. The comparison of results demonstrated that AstraZeneca vaccine is a superior candidate vaccine for COVID-19 vaccination out of the three. Our data also demonstrated statistically significant higher antibody titer among recipients with an infection history.

PMID:37980441 | DOI:10.1038/s41598-023-47611-w

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Nevin Manimala Statistics

scReadSim: a single-cell RNA-seq and ATAC-seq read simulator

Nat Commun. 2023 Nov 18;14(1):7482. doi: 10.1038/s41467-023-43162-w.

ABSTRACT

Benchmarking single-cell RNA-seq (scRNA-seq) and single-cell Assay for Transposase-Accessible Chromatin using sequencing (scATAC-seq) computational tools demands simulators to generate realistic sequencing reads. However, none of the few read simulators aim to mimic real data. To fill this gap, we introduce scReadSim, a single-cell RNA-seq and ATAC-seq read simulator that allows user-specified ground truths and generates synthetic sequencing reads (in a FASTQ or BAM file) by mimicking real data. At both read-sequence and read-count levels, scReadSim mimics real scRNA-seq and scATAC-seq data. Moreover, scReadSim provides ground truths, including unique molecular identifier (UMI) counts for scRNA-seq and open chromatin regions for scATAC-seq. In particular, scReadSim allows users to design cell-type-specific ground-truth open chromatin regions for scATAC-seq data generation. In benchmark applications of scReadSim, we show that UMI-tools achieves the top accuracy in scRNA-seq UMI deduplication, and HMMRATAC and MACS3 achieve the top performance in scATAC-seq peak calling.

PMID:37980428 | DOI:10.1038/s41467-023-43162-w

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Mapping vision loss of patients in a glaucoma backlog following the COVID-19 pandemic: a real-world analysis using the Glauc-Strat-Fast risk stratification tool

Eye (Lond). 2023 Nov 18. doi: 10.1038/s41433-023-02821-4. Online ahead of print.

ABSTRACT

INTRODUCTION: Glauc-Strat-Fast is a clinical tool recommended by The Royal College of Ophthalmologists to classify glaucoma patients into strata of risk for significant future sight loss and an estimate of resource requirement. The aim of this study was to map the movement of glaucoma patients across stratification boundaries on Glauc-Strat-Fast during the COVID-19 pandemic.

SUBJECTS AND METHODS: Glauc-Strat-Fast was applied to a consecutive sample of 100 primary open angle glaucoma patients in a backlog at Worcestershire Acute Hospitals NHS Trust. Stratification outcomes were compared between clinic visits prior to the COVID-19 pandemic versus the follow-up visit. Patients were stratified twice separately based on their worse eye (i.e., most affected) and better eye (i.e., least affected) according to Glauc-Strat-Fast.

RESULTS: Amount of slippage (difference between target follow-up and actual follow-up) ranged from 2 to 32 months. There was a statistically significant average reduction in visual field mean deviation for better and worse eyes between visits (p = <0.001). At follow-up, no worse eyes were classified as being low risk (green), while 96 were classified as high risk (red). For better eyes, elevation of risk into the highest strata of Glauc-Strat-Fast observed a three-fold increase in patients (19 versus 56) between visits.

DISCUSSION: This retrospective real-world analysis highlights patients’ movement into the highest strata on the Glauc-Strat-Fast tool and demonstrates a significant deterioration in visual outcomes during a period of extensive appointment slippage. The findings demonstrate the utility of Glauc-Strat-Fast as a tool for improved patient management.

PMID:37980397 | DOI:10.1038/s41433-023-02821-4

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Knowledge and perception of nosocomial infections among patients in a Nigerian hospital

Sci Rep. 2023 Nov 18;13(1):20204. doi: 10.1038/s41598-023-47661-0.

ABSTRACT

Nosocomial infections are infections that are a leading cause of morbidity and mortality among hospitalized patients, and can lead to higher healthcare costs and longer hospital stays in both developed and developing countries. The objectives of the study were to identify the level of knowledge and perception of patients on nosocomial infection, and to determine the factors affecting the knowledge and perception of patients on nosocomial infection in Federal Medical Centre, Ebute-Metta, Lagos (FMC). A cross-sectional research design was used in carrying out the research among in-patients of FMC where an interview-based semi-structured questionnaire was used for data collection. Patients’ knowledge was categorised as good (≥ 70% score), fair (50-69%) and poor (< 50% score) while perception was grouped as positive and negative. Independent sample T-test and One-way Analysis of Variance was used to assess statistical difference in knowledge scores between categorical variables with 2 and 3 groups respectively. A total of 102 patients gave consent to participate in this study of which 46.1% were male, 27.5% were aged between 38 and 47 years and 69.6% were married. About 24% did not know what is meant by nosocomial infections while 53.9% stated that all hospital-acquired infections are preventable. Less than 19% strongly disagreed that making alcohol rubs mandatory for all visitors would decrease the incidence of nosocomial infections while all strongly agreed that if left untreated, such infections can become life-threatening. Overall, 15.7% showed good knowledge while most patients showed fair knowledge (71.6%) and a negative perception (51%) of nosocomial infections. There was a significant difference in patients’ knowledge of nosocomial infections based on age (0.012). There was also a statistically significant association between age and perception of patients towards nosocomial infections (p = 0.031). This study showed that most patients had fair knowledge as well as negative perception towards nosocomial infections. Age, had an influence on patients’ perception and knowledge of nosocomial infection.

PMID:37980389 | DOI:10.1038/s41598-023-47661-0

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Epidemiological trends of pyogenic spondylodiscitis in Germany: an EANS Spine Section Study

Sci Rep. 2023 Nov 18;13(1):20225. doi: 10.1038/s41598-023-47341-z.

ABSTRACT

Pyogenic spondylodiscitis presents significant diagnostic and therapeutic challenges. In Germany, a comprehensive understanding of its epidemiology and inpatient management outcomes is limited, hindering the optimisation of therapeutic strategies. This study aimed to characterise the evolving epidemiological trends of pyogenic spondylodiscitis in Germany, and concurrently evaluate inpatient management strategies and outcomes. We performed a retrospective population-based study of spondylodiscitis cases in Germany from 2005 to 2021, utilising data from the German Federal Statistical Office database. The parameters assessed were incidence trends, demographic characteristics, inpatient management strategies, and inpatient mortality. The study found a significant rise in the population-adjusted incidence of spondylodiscitis in Germany from 2005 to 2021, increasing by 104% from 5.4 to 11.0 cases per 100,000 individuals (p < 0.001). The highest number of diagnoses was recorded in 2019. Age group-adjusted data revealed the largest relative changes in the “90 + ” age group, followed by the “80-89” and “70-79” age groups. These increases were not solely attributable to population changes but were also confirmed after calculating the age-group-adjusted incidence rates. Additionally, our statistical analysis demonstrated that both age and year significantly influenced the incidence of spondylodiscitis. Over the same period, inpatient mortality also surged significantly by 347% (p < 0.001), with the highest increase recorded in the 90 + age group, observing a 2450% rise (p < 0.001). The mean length of inpatient stay decreased by 15% (p < 0.05). Concurrently, there was a significant increase in surgical interventions using spinal stabilisation procedures (p < 0.001), which might suggest a shift in the treatment paradigm for spondylodiscitis. The results underscore a concerning rise in spondylodiscitis incidence and mortality in Germany, particularly affecting the ageing population. A notable shift towards surgical intervention was observed. The data highlights the urgent necessity for high-level evidence studies comparing surgical versus conservative treatment, thereby guiding optimised therapeutic strategies.

PMID:37980371 | DOI:10.1038/s41598-023-47341-z

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What good are positive emotions for treatment? A replication test of whether trait positive emotionality predicts response to exposure therapy for social anxiety disorder

Behav Res Ther. 2023 Nov 11;171:104436. doi: 10.1016/j.brat.2023.104436. Online ahead of print.

ABSTRACT

BACKGROUND: Positive valence emotions serve functions that may facilitate response to exposure therapy – they encourage approach behavior, diminish perceived threat reactivity, and enhance assimilation of new information in memory. Few studies have examined whether positive emotions predict exposure therapy success and extant findings are mixed.

METHODS: We conducted a secondary analysis of an exposure therapy trial for social anxiety disorder to test the hypothesis that patients endorsing higher trait positive emotions at baseline would display the greatest treatment response. N = 152 participants enrolled in a randomized controlled trial of d-cycloserine augmentation completed five sessions of group exposure therapy. Pre-treatment positive emotionality was assessed using the NEO Five-Factor Inventory. Social anxiety symptoms were assessed throughout treatment by blinded evaluators using the Liebowitz Social Anxiety Scale.

RESULTS: Accounting for baseline symptom severity, multilevel growth curve models revealed that patients with higher pre-treatment positive emotionality displayed faster social anxiety symptom reductions and lower scores at 3-month follow-up. This predictive effect remained significant after controlling for baseline depression and extraversion (without the positive emotionality facet).

CONCLUSIONS: These findings add to emerging evidence suggesting that explicitly targeting and enhancing positive emotions during exposure to perceived threat may improve treatment outcomes for anxiety and fear-based disorders.

TRIAL REGISTRATION: ClinicalTrials.gov: NCT02066792https://clinicaltrials.gov/ct2/show/NCT02066792.

PMID:37979218 | DOI:10.1016/j.brat.2023.104436