The effect of pelvic floor muscle-strengthening exercises on low back pain: a systematic review and meta-analysis on randomized clinical trials.

BACKGROUND: Low back pain is a musculoskeletal disorder (MSD), and Kegel exercise is considered as one of the non-surgical management methods. Therefore, the present systematic review and meta-analysis aimed to estimate the results of randomized clinical trials (RCT) about the effect of pelvic floor muscle-strengthening exercises on reducing low back pain . METHODS: The present study was conducted according to the Preferred Reporting Items for Systematic Reviews and Meta-analyses (PRISMA) guideline (2020) to January 2022. The relevant studies were searched in the MagIran, SID, PubMed, Embase, Web of Science (WoS), Scopus, ClinicalTrials.gov databases and Google Scholar motor engine using related MeSH/Emtree terms, which were combined with free text word. The heterogeneity of the studies was checked using I2 statistic. RESULTS: Finally, 19 RCTs with a sample size of 456 subjects in the intervention group and 470 in the control group were included in the meta-analysis. The low back pain intensity in the intervention group decreased up to 1.261 ± 0.213 (SMD ± 95% CI) with I2 = 87.60 more than that in the control group (P <0.001). The low back pain intensity in postpartum women decreased up to 1.614 ± 0.312 (95% CI) followed by pregnant women as 1.282 ± 0.479 (SMD ± 95% CI) more than that in other populations. But due to high the heterogeneity in all sub-groups (I2 > 80%) this result should be considered with caution. Meta-regression analysis showed the effect of pelvic floor muscle-strengthening exercises increased by increasing the year of publication, quality assessment score of the article, and the number of weeks of intervention (P<0.05). CONCLUSION: Based on the results of the present meta-analysis, pelvic floor muscle-strengthening exercises significantly reduce the low back pain intensity. Therefore, these exercises can be regarded as a part of a low back pain management plan.

The effect of health literacy intervention on adherence to medication of uncontrolled hypertensive patients using the M-health.

BACKGROUND: Given that patients' medication adherence is regarded as the major part of disease control and improving health literacy can be effective in promoting adherence to healthy behaviors, the present study aimed to investigate the effect of health literacy intervention based on the medication adherence among uncontrolled hypertensive patients using mobile health (M-health). METHODS: An interventional study with a quasi-experimental design, was conducted on 118 uncontrolled hypertensive patients. Participants were randomly divided into the intervention (n = 59) and control (n = 59) groups using blocked randomization. In the intervention group, a mobile health (M-health) program was designed using programmed instruction to improve patients' health literacy over a period of 3 months. Data was collected by administering health literacy and medication adherence questionnaires to participants before and after the intervention. The analysis involved using the independent sample t-test to compare the variables before and after the study. RESULTS: Before the intervention, the total score of health literacy was 33.34 and 33.14 in the intervention and control groups, respectively. After the intervention, it increased to 40.36 and 34.20 in the intervention and control groups, respectively, which was statistically significant in the intervention group (p = 0.01). Moreover, the medication adherence score of the intervention group significantly increased after the intervention. Both systolic and diastolic blood pressure decreased in the intervention group. However, it should be noted that the decrease in systolic blood pressure by 148.98 was statistically significant, while the decrease observed in diastolic blood pressure in the intervention group was not statistically significant (p = 0.08). CONCLUSION: The application of programmed instruction through M-Health has shown a positive effect on the health literacy of uncontrolled hypertensive patients. In addition to detecting and treating patients, it is important to prioritize the improvement of health literacy in terms of medication adherence and the adoption of healthy behaviors.

The effect of delivery ball and warm shower on the childbirth experience of nulliparous women: a randomized controlled clinical trial.

INTRODUCTION: Childbirth is a unique experience that affects women's life. Midwives can play an effective role in creating positive birth experiences for women using non-pharmacological and supportive methods. Accordingly, this study aims to determine the effect of delivery balls and warm showers on childbirth experiences of primiparous women. METHODS: This clinical trial was conducted on primiparous pregnant women who referred to the Motazedi Hospital in Kermanshah, Iran. Sampling was done from eligible individuals by a continuous method, and pregnant women were assigned to the three groups of delivery balls plus warm showers or A (n = 35), delivery balls or B (n = 35), and control or C (n = 35). The use of the ball at the dilation of 4 cm was similar in the two groups of A and B, but the first group used a warm shower at the dilatation of 7 cm as well. The control group also received routine delivery care. Besides, demographic information forms consisting of the pregnancy history and some information about the mother and her infant were completed. Additionally, childbirth experience questionnaires (CEQ) were completed by the women two hours after childbirth. The analysis of intervention effects was performed as per-protocol analysis. RESULTS: There was a statistically significant difference in the mean score of the childbirth experience between the two groups of A and C (p = 0.001) after the intervention as well as between the groups of B and C (p = 0.001). CONCLUSION: The use of delivery balls and warm showers was effective in creating a positive childbirth experience. To create a positive childbirth experience in mothers, the use of both interventions (delivery balls and warm showers) is recommended. TRIAL REGISTRATION: TCTR 20200408002 . Prospectively registered on March 21, 2020.

Evaluation of the Acceptance Rate of Covid-19 Vaccine and its Associated Factors: A Systematic Review and Meta-analysis.

Covid-19 has caused various problems in the world in terms of health, economy, social and political therefore, the purpose of the present systematic review and meta-analysis is to determine the acceptance rate of Covid-19 vaccine and its related factors. To find related studies, PubMed, Embase, Scopus, Web of Science (WoS) and Google Scholar databases with no time limit until May 2021 using the keywords Related to the purpose of the research and all possible combinations were explored. I2 test was used to calculate the heterogeneity of studies and Begg and Mazumdar rank correlation test was used to investigate publication bias. Finally, 98 articles related to inclusion criteria with a sample size of 660,604 people were included in the study. Overall estimate of the worldwide acceptance of Covid-19 vaccine; 63.9% (95% CI: 59.1-68.4) was obtained, with the highest percentage of acceptance reported in the Australian continent, 76.4% (95% CI: 72.6-79.8). In the majority of studies, vaccine acceptance was significantly more reported in the elderly and the young people, medical staff, employees, higher education level and socioeconomic status, with trust in vaccine and positive vaccination history. The results of this systematic review and meta-analysis demonstrate that the acceptance rate of Covid-19 vaccine is higher among young people and the elderly, medical staff, employees, higher education level and socioeconomic status, with trust in vaccine and positive vaccination history, which can be considered by experts and policymakers in this field.

The effect of lead exposure on IQ test scores in children under 12 years: a systematic review and meta-analysis of case-control studies.

An inevitable exposure to the toxic heavy metal such as lead in our environmental can have irreversible effects on children's mental performance.In this study, 3316 children in 8 case-control studies were selected for review. The case group was exposed to a concentration of lead above 10 µg/dL, and the control group was exposed to a concentration of less than 10 µg/dL, but the duration of exposure was different among studies, and the subgroup analysis was performed based on this variable.In the subgroup with duration of exposure less than the average of 4.5 years, the difference of IQ test score between two groups was significant (MD = -3.53) (P-value <0.05). Also, in the subgroup with more than 4.5 years of duration, the difference of IQ test score was significant (MD = -22.63) (P-value < 0.001).This study demonstrates that the concentration and duration of lead exposure have a large effect on mental function in children.

Correlation between lead exposure and cognitive function in 12-year-old children: a systematic review and meta-analysis.

Lead exposure as a toxic material especially in children can be recognized as a harmful factor for cognitive function system. This meta-analysis was conducted to estimate the lead exposure effect on cognitive function among 6979 children less than 12 years. The 16 studies were divided into two clusters according to "duration of exposure" and "dose" using k-means partitioning clustering algorithm. Then, subgroup analysis has been performed based on the clustered studies. According to the results of the k-means clustering, dose and duration of exposure were significant factors between all considered variables. A stronger negative significant pooled correlation was observed in higher dose and duration cluster in comparison with another cluster including lower dose and duration (r = - 0.29, P-value < 0.001 vs. r = - 0.08, P-value < 0.001). Overall, a negative significant correlation was observed between lead exposure and cognitive function test score (r = - 0.22, P-value < 0.001). This study confirms the negative effect of lead on cognitive function in children, but needed further investigations to achieve the safe dose and duration of the lead exposure.

Life After Myocardial Infarction: A Qualitative Study on Experiences of Kurdish Patients Affected by Iran-Iraq War.

BACKGROUND: Coronary artery disease (CAD) is a major cause of death globally. Myocardial infarction (MI) secondary to CAD affects patients' quality of life and their lifestyle. The experience of war can affect people's perception of phenomena. Given the scarcity of information in Kurdish patients with MI, the current study was designed to explore the lived experiences of individuals after MI in Kurdish patients affected by Iran-Iraq war. METHODS: This interpretive-phenomenological study was conducted on eleven patients with MI (9 men, 2 women) at Imam Ali Hospital, Center for Heart Diseases, in Kermanshah, Iran, considering MI as a phenomenon. Data was collected by a semi-structured interview and analyzed using the Van Mannen method. We employed the Lincoln and Guba criteria to examine the credibility, confirmability, dependability, and transferability of data. MAXQDA software was used for data management. We followed the COREQ checklist to ensure the rigor of our study. RESULTS: Four themes and ten sub-themes were emerged as (1) "changes in the quality of life" including (a) negative physical outcomes, (b) mental effects, (c) social support, (d) adopting healthy behaviors, (e) increase or decrease in self-efficiency, (f) previous experience, and (g) developing future behaviors; (2) "bodily perceptions and medical care" including (a) medical care: saving or terminating life?, (b) a new message from the heart; (3) "returning to spirituality against death" including (a) spirituality as a guiding principle, (b) accepting death as an eventual destiny; and (4) denial. CONCLUSION: The results suggest that MI could change the quality of physical and mental health of the person, anywhere from deterioration to full recovery. Furthermore, the influence of spirituality and previous experience of war to overcome the complications of MI has been discussed, leading to either acceptance or denial of MI, and the consequences.

Validity and reliability of the Iranian version of the Cardiac Exercise Self-Efficacy Scale.

BACKGROUND: The assessment of exercise self-efficacy in patients with cardiovascular disease (CVD) is necessary to conduct tailored interventions. The aim of the current study was to validate the Iranian version of the Cardiac Exercise Self-efficacy Scale (CESE) for patients with CVD. METHODS: To develop the Iranian version of the CESE scale, a forward and back translation procedure was followed. Data were collected from 260 patients with CVD who were admitted to Imam Ali Cardiovascular Hospital, Iran, using convenience sampling. Psychometric properties of the scale including validity (face and content validity, discriminant, concurrent, convergent, divergent, and construct validity) and reliability (internal consistency, and test-retest reliability) were assessed. SPSS software was used for statistical analysis. RESULTS: The questionnaire had a good face and content validity and reliability, with Cronbach's alpha of 0.87 and intraclass correlation coefficient (ICC) of 0.42. The questionnaire discriminated well between subgroups according to their medical conditions and the "health transition" item in the Short-Form Health Survey (SF-36). There was a significant correlation between CESE and the physical components of the SF-36 (P < 0.001). In addition, a strong to moderate significant correlation was found between the CESE and the Exercise Self-efficacy Scale (ESES) (r = 0.77; P < 0.01) and between CESE and the Hospital Anxiety and Depression Scale (HADS) total (r = -0.45; P < 0.001). The exploratory factor analysis (EFA) identified a four-factor structure model, explaining 71.02% of the observed variance. CONCLUSION: The Persian version of the CESE is a valid and reliable instrument for the evaluation of CVD patients' exercise self-efficacy level in performing regular exercise behaviors.

Effect of educational intervention on promoting self-care in hemodialysis patients: Applying the self-efficacy theory.

BACKGROUND: Hemodialysis patients experience many issues in self-care behavior. Patients require to control of manage the issue to improve the self-care. Educational intervention to behavior change can be effective on self-care behavior. This study was conducted to investigate the effect of an educational intervention, based on the self-Efficacy theory on promoting self-care in hemodialysis patients. MATERIALS AND METHODS: Seventy hemodialysis patients recruited in this study and divided randomly into intervention group (n = 35) and control group (n = 35) with convenience sampling in 2016 from Qom city, Iran. Data were collected before and 3 months after education using demographic questionnaire, self-efficacy, a valid researcher-made questionnaire regarding to awareness and self-care. The educational intervention was performed for the intervention group in 4 1-h sessions over 2 months. The data were analyzed through Paired t-test, Independent t-test, Chi-square, and Mann-Whitney at the significant level of 0.05. RESULTS: While variables in two groups did not show significant difference before education (P > 0.05), a significant increase was observed in variables of self-efficacy (P < 0.001), awareness (P < 0.001), and self-care dimensions (P < 0.05) between two groups after 3 months education. CONCLUSION: The results of this research suggested that employing educational programs based on the self-efficacy theory can lead to the improvement of the self-care behaviors in hemodialysis patients.