scholarly journals Efficacy of interventions to increase physical activity for people with heart failure: a meta-analysis

Open Heart ◽  
2021 ◽  
Vol 8 (1) ◽  
pp. e001687
Author(s):  
Aliya Amirova ◽  
Theodora Fteropoulli ◽  
Paul Williams ◽  
Mark Haddad
Keyword(s):  
Physical Activity ◽  
Heart Failure ◽  
Meta Analysis ◽  
Behavioural Change ◽  
Mode Of Delivery ◽  
Random Effect ◽  
Random Effect Model ◽  
Action Planning ◽  
Exercise Programme ◽  
Effect Model

ObjectivesThis meta-analysis aims to (1) evaluate the efficacy of physical activity interventions in heart failure and (2) to identify intervention characteristics significantly associated with the interventions’ efficacy.MethodsRandomised controlled trials reporting intervention effects on physical activity in heart failure were combined in a meta-analysis using a random-effect model. Exploratory meta-analysis was performed by specifying the general approach (eg, cardiac rehabilitation), strategies used (eg, action planning), setting (eg, centre based), mode of delivery (eg, face to face or online), facilitator (eg, nurse), contact time and behavioural change theory use as predictors in the random-effect model.ResultsInterventions (n=21) had a significant overall effect (SMD=0.54, 95% CI (0.13 to 0.95), p<0.0005). Combining an exercise programme with behavioural change intervention was found efficacious (SMD=1.26, 95% CI (0.26 to 2.26), p<0.05). Centre-based (SMD=0.98, 95% CI (0.35 to 1.62), and group-based (SMD=0.89, 95% CI (0.29 to 1.50),) delivery by a physiotherapist (SMD=0.84, 95% CI (0.03 to 1.65),) were significantly associated with efficacy. The following strategies were identified efficacious: prompts/cues (SMD=3.29, 95% CI (1.97 to 4.62)), credible source (standardised mean difference, SMD=2.08, 95% CI (0.95;3.22)), adding objects to the environment (SMD=1.47, 95% CI (0.41 to 2.53)), generalisation of the target behaviour SMD=1.32, 95% CI (0.22 to 2.41)), monitoring of behaviour by others without feedback (SMD=1.02, 95% CI (0.05 to 1.98)), self-monitoring of outcome(s) of behaviour (SMD=0.79, 95% CI (0.06 to 1.52), graded tasks (SMD=0.73, 95% CI (0.22 to 1.24)), behavioural practice/rehearsal (SMD=0.72, 95% CI (0.26 to 1.18)), action planning (SMD=0.62, 95% CI (0.03 to 1.21)) and goal setting (behaviour) (SMD=0.56, 95% CI (0.03 to 1.08)).ConclusionThe meta-analysis suggests intervention characteristics that may be suitable for promoting physical activity in heart failure. There is moderate evidence in support of an exercise programme combined with a behavioural change intervention delivered by a physiotherapist in a group-based and centre-based settings.PROSPERO registerationCRD42015015280.

scholarly journals Efficacy of interventions to increase physical activity for people with heart failure: a meta-analysis

2021 ◽  
Author(s):  
Aliya Amirova ◽  
Theodora Fteropoulli ◽  
Paul Williams ◽  
Mark Haddad
Keyword(s):  
Physical Activity ◽  
Heart Failure ◽  
Behaviour Change ◽  
Physical Activity Intervention ◽  
Meta Analysis ◽  
Random Effect ◽  
Random Effect Model ◽  
Action Planning ◽  
Exercise Programme ◽  
Behaviour Change Intervention

ABSTRACTObjectivesThis meta-analysis aims to 1) evaluate the efficacy of physical activity interventions in heart failure and 2) to identify intervention characteristics significantly associated with the interventions’ efficacy.MethodsRandomised controlled trials reporting intervention effects on physical activity in heart failure were combined in a meta-analysis using a random-effect model. Exploratory meta-analysis was performed by specifying the general approach (e.g. cardiac rehabilitation), strategies used (e.g. action planning), setting (e.g. centre-based), mode of delivery (e.g. face-to-face or online), facilitator (e.g. nurse), contact time, and behaviour change theory use as predictors in the random-effect model.ResultsInterventions (n=21) had a significant overall effect (SMD = 0.54,95% CI: [0.13; 0.95], p < 0.005). Combining an exercise programme with behaviour change intervention was found efficacious (SMD = 1.26, 95% CI: [0.26; 2.26], p < 0.05). Centre-(SMD = 0.98, 95% CI: [0.35; 1.62],p < 0.001), and group-based (SMD = 0.89, 95 % CI: [0.29; 1.50],p < 0.001) delivery by a physiotherapist (SMD = 0.84, 95% CI: [0.03; 1.65]], p < 0.01) were significantly associated with efficacy. The following strategies were identified efficacious: prompts/cues (SMD = 3.29, 95% CI: [1.97; 4.62]), credible source (SMD=2.08, 95% CI:[0.95;3.22]), adding objects to the environment (SMD=1.47, 95% CI:[0.41;2.53]), generalisation of the target behaviour (SMD=1.32, 95% CI:[0.22;2.41]), monitoring of behaviour by others without feedback (SMD=1.02, 95% CI:[0.05;1.98]), self-monitoring of outcome(s) of behaviour (SMD=0.79, 95% CI:[0.06;1.52]), graded tasks (SMD=0.73, 95% CI:[0.22;1.24]), behavioural practice/rehearsal (SMD=0.72, 95% CI:[0.26;1.18]), action planning (SMD=0.62, 95% CI:[0.03;1.21]), and goal setting (behaviour) (SMD=0.56, 95% CI:[0.03;1.08]).ConclusionThe meta-analysis suggests intervention characteristics that may be suitable for promoting physical activity in heart failure. There is moderate evidence in support of an exercise programme combined with a behaviour change intervention delivered by a physiotherapist in a group- and centre-based settings.SUMMARYWhat is already known about this subject?Individuals diagnosed with heart failure (HF) are advised to engage in physical activity. However, physical activity levels remain extremely low in this population group. Cardiac Rehabilitation (CR) is routinely offered to newly diagnosed HF patients. CR is multifaceted; It is unknown which specific components result in physical activity improvements once the programme has ended. It is essential to understand how best to improve everyday physical activity engagement in HF.What does this study add?This meta-analysis assessed what constitutes a successful physical activity intervention designed for individuals living with HF. The findings pinpoint specific intervention features and component that contribute to physical activity improvements in HF. Centre-based interventions that are delivered by a physiotherapist, in group format, that combine exercise with behaviour change intervention are promising for attaining physical activity improvementsHow might this impact on clinical practice?The findings of this meta-analysis may inform physical activity intervention designed for individuals diagnosed with HF. There is a need for additional training for physiotherapists in delivering behaviour change interventions alongside an exercise programme that includes the identified efficacious strategies.Note: all statistics are reported using Word Build-in: “Equation.”

scholarly journals What Intervention Techniques Are Effective in Changing Positive Affective Variables and Physical Activity? A Systematic Review and Meta-Analysis

2021 ◽  
Vol 12 ◽  
Author(s):  
Cheng Chen ◽  
Emily Finne ◽  
Alexandra Kopp ◽  
Darko Jekauc
Keyword(s):  
Physical Activity ◽  
Meta Analysis ◽  
Random Effect ◽  
Random Effect Model ◽  
Identification Problem ◽  
Inclusion Criteria ◽  
Positive Effects ◽  
Effect Model ◽  
Analytic Review ◽  
Affective Variables

A recent meta-analysis has demonstrated that positive affective variables (PAVs) partially mediate physical activity (PA) interventions. However, the effectiveness of each intervention technique on PAVs and PA is still unknown. Thus, this meta-analytic review included two primary objectives: (1) to summarize intervention effects on PA and PAVs; (2) to examine each behavior change technique's effectiveness in modifying PAVs and PA. Following PRISMA protocols, we had searched five electronic databases by April 1, 2020. The random-effect model in the Comprehensive Meta-Analysis Version 3 was adopted to perform these meta-analytic analyses. The search identified 1,742 articles, and 37 studies (49 datasets) met our inclusion criteria. Finally, inferential statistics yielded that: the utilization of “teach to use prompts/cues,” “facilitate social comparison,” and “provide information on consequences of behavior in general” had positive effects on PA or PAVs outcomes; the utilization of “barrier identification/problem solving” and “plan social support/social change” negatively affected on PA or PAVs outcomes. However, there was considerable heterogeneity in the findings. Nonetheless, this paper has considerable implications for guiding future comparative intervention studies to achieve more reliable outcomes.

scholarly journals The Effect of Physical Activity on Glycemic Variability in Patients With Diabetes: A Systematic Review and Meta-Analysis of Randomized Controlled Trials

2021 ◽  
Vol 12 ◽  
Author(s):  
Xingyun Zhu ◽  
Lina Zhao ◽  
Jing Chen ◽  
Chu Lin ◽  
Fang Lv ◽  
...  
Keyword(s):  
Physical Activity ◽  
Diabetes Mellitus ◽  
Systematic Review ◽  
Meta Analysis ◽  
Random Effect ◽  
Random Effect Model ◽  
Glycemic Variability ◽  
Control Group ◽  
Effect Model ◽  
Patients With Diabetes

PurposeThe effect of physical activity on glycemic variability remains controversial. This meta-analysis aimed to assess the overall effect of physical activity treatment on glycemic variability in patients with diabetes.MethodsPubMed/MEDLINE, Embase, and Cochrane databases were searched for clinical trials that conducted in patients with type 1 diabetes mellitus and type 2 diabetes mellitus with reports of the mean amplitude of glycemic excursion (MAGE), time in range (TIR), time above range (TAR), or time below range (TBR). Eligible trials were analyzed by fixed-effect model, random effect model, and meta-regression analysis accordingly.ResultsIn total, thirteen trials were included. Compared with the control group, physical activity intervention was significantly associated with increased TIR (WMDs, 4.17%; 95% CI, 1.11 to 7.23%, P&lt;0.01), decreased MAGE (WMDs, -0.68 mmol/L; 95% CI, -1.01 to -0.36 mmol/L, P&lt;0.01) and decreased TAR (WMDs, -3.54%; 95% CI, -5.21 to -1.88%, P&lt;0.01) in patients with diabetes, but showed insignificant effects on TBR. Patients with higher baseline BMI levels was associated with a greater decrease in MAGE (β=-0.392, 95% CI: -0.710, -0.074), and patients with lower baseline HbA1c levels was associated with a greater increase in TBR during physical activities (β=-0.903, 95% CI: -1.550, -0.255).ConclusionPhysical activity was associated with significantly decreased glycemic variability in patients with diabetes. Patients with higher BMI might benefit more from physical activity therapy in terms of a lower MAGE. Hypoglycemia associated with physical activity treatment still warranted caution, especially in patients with intensive glycemic control.Systematic Review RegistrationPROSPERO [CRD42021259807].

Influence of physical activity on recurrence and survival of colorectal cancer patients: A meta-analysis.

2013 ◽  
Vol 31 (15_suppl) ◽  
pp. 1583-1583 ◽  
Author(s):  
Gaetan Des Guetz ◽  
Thierry Bouillet ◽  
Bernard Uzzan ◽  
Kader Chouahnia ◽  
Patrick Nicolas ◽  
...  
Keyword(s):  
Physical Activity ◽  
Colorectal Cancer ◽  
Meta Analysis ◽  
Random Effect ◽  
Random Effect Model ◽  
Cochrane Library ◽  
Vascular Events ◽  
Effect Model ◽  
Keywords Colorectal Cancer ◽  
The Impact

1583 Background: Colorectal cancer (CRC) predominates in developed countries among sedentary populations. A meta-analysis (MA) showed that physical activity (PA) decreased the incidence of new cases of CRC. The impact of PA on recurrence and mortality of non-metastatic CRC patients is still controversial. Methods: We performed a literature-based meta-analysis of all published observational studies, using the following keywords (colorectal cancer, physical activity, survival) in PubMed and EMBASE. We searched for a dedicated MA in the Cochrane Library (none found). We cross-checked all references. Pre- and post-diagnostic PA levels were assessed with MET (Metabolic Equivalent Task). Usually, high PA levels corresponded to > 17 MET hours/week. Overall survival (OS) and cancer-specific survival (CSS) were assessed by means of Hazard Ratios (HRs) with their 95 % Confidence Interval (CI). We pooled adjusted HRs since the variables of adjustment were almost identical between studies (age, sex, BMI, tobacco use, alcohol and red meat consumptions ). By convention, when higher PA levels were associated to an improved survival compared with lower PA levels, HRs for detrimental events were < 1. We used EasyMA software. We used fixed effect model whenever possible and random effect model only in case of between-study heterogeneity. Results: Eight studies (11298 participants) published from 2006 to 2013 met the inclusion criteria, representing 3110 males and 3710 females, 3072 colon and 1318 rectum cancers. Mean age was 67 years (range 21-82 years). HR CSS for post-diagnostic PA (higher PA level vs. lower) was 0.61 (CI: 0.44-0.86; random effect model). The corresponding HR for OS was 0.62 (CI: 0.54-0.71). HR CSS for pre-diagnostic PA was 0.80 (CI: 0.69-0.92). The corresponding HR for OS was 0.74 (CI: 0.63-0.86). Conclusions: This MA is the first to show that higher PA levels are associated with a better CSS, suggesting that sustained PA should be advised for non-metastatic CRC patients. OS also significantly improved, not surprisingly since PA should reduce risk of cardio-vascular events. These findings should be tempered by the rather small number of studies included.

scholarly journals Alteration of Postural Balance in Patients with Fibromyalgia Syndrome—A Systematic Review and Meta-Analysis

Diagnostics ◽  
2021 ◽  
Vol 11 (1) ◽  
pp. 127
Author(s):  
David Núñez-Fuentes ◽  
Esteban Obrero-Gaitán ◽  
Noelia Zagalaz-Anula ◽  
Alfonso Javier Ibáñez-Vera ◽  
Alexander Achalandabaso-Ochoa ◽  
...  
Keyword(s):  
Systematic Review ◽  
Postural Balance ◽  
Fibromyalgia Syndrome ◽  
Meta Analysis ◽  
Random Effect ◽  
Random Effect Model ◽  
Healthy Controls ◽  
Functional Balance ◽  
Sensory Organization ◽  
Effect Model

Balance problems are one of the most frequent symptoms in patients with Fibromyalgia Syndrome (FMS). However, the extent and nature of this balance disorder are not known. The objective of this work was to determine the best evidence for the alteration of postural balance in patients with FMS and analyze differences with healthy controls. To meet this objective, a systematic review with meta-analysis was performed. A bibliographical search was carried out in PubMed Medline, Scopus, Web of Science, CINAHL and SciELO. Observational studies that assessed postural balance in patients with FMS compared to healthy subjects in baseline conditions, were selected. In a random-effect model, the pooled effect was calculated with the Standardized Mean Difference (SMD) and its 95% confidence interval (CI). Nineteen studies reporting data of 2347 participants (95% female) were included. FMS patients showed poor balance with a large effect on static (SMD = 1.578; 95% CI = 1.164, 1.992), dynamic (SMD = 0.946; 95% CI = 0.598, 1.294), functional balance (SMD = 1.138; 95% CI = 0.689, 1.588) and on balance confidence (SMD = 1.194; 95% CI = 0.914, 1.473). Analysis of the Sensory Organization Test showed large alteration of vestibular (SMD = 1.631; 95% CI = 0.467, 2.795) and visual scores (SMD = 1.317; 95% CI = 0.153, 2.481) compared to healthy controls. Patients with FMS showed worse scores for different measures of postural balance compared to healthy controls. Concretely, FMS patients appear to have poor vestibular and visual scores with a possible somatosensory dependence.

scholarly journals Magnitude and determinants of neural tube defect in Africa: a systematic review and meta-analysis

2021 ◽  
Vol 21 (1) ◽  
Author(s):  
Daniel Atlaw ◽  
Yohannes Tekalegn ◽  
Biniyam Sahiledengle ◽  
Kenbon Seyoum ◽  
Damtew Solomon ◽  
...  
Keyword(s):  
Systematic Review ◽  
Neural Tube ◽  
Meta Analysis ◽  
Random Effect ◽  
Random Effect Model ◽  
Folic Acid Supplementation ◽  
Maternal Exposure ◽  
X Ray ◽  
Effect Model ◽  
Pooled Prevalence

Abstract Background Neural tube defects (NTDs) are a group of disorders that arise from the failure of the neural tube close between 21 and 28 days after conception. About 90% of neural tube defects and 95% of death due to these defects occurs in low-income countries. Since these NTDs cause considerable morbidity and mortality, this study aimed to determine the prevalence and associated factors of NTDs in Africa. Methods The protocol of this study was registered in the International Prospective Register of Systematic Reviews (PROSPERO number: CRD42020149356). All major databases such as PubMed/MEDLINE, EMBASE, CINAHL, Web of Science, African Journals Online (AJOL), and Google Scholar search engine were systematically searched. A random-effect model was used to estimate the pooled prevalence of NTDs in Africa, and Cochran’s Q-statistics and I2 tests were used to assess heterogeneity between included studies. Publication bias was assessed using Begg ’s tests, and the association between determinant factors and NTDs was estimated using a random-effect model. Results Of the total 2679 articles, 37 articles fulfilled the inclusion criteria and were included in this systematic review and meta-analysis. The pooled prevalence of NTDs in Africa was 50.71 per 10,000 births (95% CI: 48.03, 53.44). Folic acid supplementation (AOR: 0.40; 95% CI: 0.19–0.85), maternal exposure to pesticide (AOR: 3.29; 95% CI: 1.04–10.39), mothers with a previous history of stillbirth (AOR: 3.35, 95% CI: 1.99–5.65) and maternal exposure to x-ray radiation (AOR 2.34; 95% CI: 1.27–4.31) were found to be determinants of NTDs. Conclusions The pooled prevalence of NTDs in Africa was found to be high. Maternal exposure to pesticides and x-ray radiation were significantly associated with NTDs. Folic acid supplementation before and within the first month of pregnancy was found to be a protective factor for NTDs.

Association between circulating leptin levels and multiple sclerosis: a systematic review and meta-analysis

2018 ◽  
Vol 94 (1111) ◽  
pp. 278-283 ◽  
Author(s):  
Xue-Feng Xie ◽  
Xiao-Hui Huang ◽  
Ai-Zong Shen ◽  
Jun Li ◽  
Ye-Huan Sun
Keyword(s):  
Multiple Sclerosis ◽  
Meta Analysis ◽  
Random Effect ◽  
Random Effect Model ◽  
Control Group ◽  
Sample Type ◽  
Healthy Controls ◽  
Eligibility Criteria ◽  
Effect Model ◽  
Healthy Control

AimLeptin, synthesised by adipocytes, has been identified as a hormone that can influence inflammatory activity. Several studies have investigated leptin levels in patients with multiple sclerosis (MS), but the results are not consistent. This study aims to derive a more precise evaluation on the relationship between circulating leptin levels and MS.DesignA comprehensive literature searched up to July 2017 was conducted to evaluate the association of circulating leptin levels and MS. The random-effect model was applied to calculate pooled standardised mean difference (SMD) and its 95% CI.Main outcome measuresCirculating leptin levels of patients with MS and healthy controls.ResultsOf 2155 studies identified, 33 met eligibility criteria and 9 studies with 645 patients with MS and 586 controls were finally included in the meta-analysis. Meta-analysis revealed that, compared with the healthy control group, the MS group had significantly higher plasma/serum leptin levels, with the SMD of 0.70% and 95% CI (0.24 to 1.15). Subgroup analyses suggested that the leptin levels of patients with MS were associated with region, age, study sample size, measurement type, gender and blood sample type.ConclusionOverall, our study suggests that patients with MS have a significantly higher leptin level than in healthy controls. Further mechanism studies and longitudinal large cohort studies are still needed to further reveal the role of leptin in the pathogenesis of MS.

scholarly journals Comparative efficacy between ketamine, memantine, riluzole and d-cycloserine in patients diagnosed with drug resistant depression: a meta-analysis

2019 ◽  
Vol 8 (6) ◽  
pp. 1132
Author(s):  
Nishita H. Darji ◽  
Devang A. Rana ◽  
Supriya D. Malhotra
Keyword(s):  
Rating Scale ◽  
Meta Analysis ◽  
Random Effect ◽  
Random Effect Model ◽  
Fixed Effect ◽  
P Value ◽  
Drug Resistant ◽  
Effect Model ◽  
Resistant Depression ◽  
Glutamate Modulators

Background: Glutamate modulators are having immense potential and are newer entities for treating drug resistant depression. The objectives were to generate statistical evidence on basis of existing data of ketamine, memantine, riluzole and d-cycloserine in resistant depression.Methods: A total of 14 RCTs following PRISMA guidelines and matching inclusion and exclusion criteria were collected of ketamine (5), memantine (3), riluzole (2) and d-cycloserine (4) vs placebo in drug resistant depression. Only RCTs with primary diagnosis of drug resistant depression (Previously on two standard antidepressant therapy) were included. Studies with treatment response rate, 50% reduction in total score of the depression rating scale-Montgomery-Åsberg Depression Rating Scale or the Hamilton Depression Rating Scale or Beck Depression Inventory was chosen as clinical outcome measure. RevMan 5.3 software was used for the analysis.Results: In ketamine group using random effect model SMD was 2.122 (95% CI 0.659-3.584). P-value was statistically significant (random effect p <0.005 and in fixed effect <0.001). In memantine group, using random effect model -0.963 was SMD and (95% CI -1.958-0.0324). P-value was <0.001, significant in fixed effect. In riluzole group, SMD was -0.564 with (95% CI -3.927-2.799) in random effect. P-value was 0.741. In d-cycloserine group SMD was 0.316 with (95% CI -1.252-1.885) in random effect. P-value was 0.690.Conclusions: Ketamine showed best efficacy followed by memantine. Riluzole and DCS as such have no efficacy although its acts by same glutamate pathway. More molecular based research is required in use of glutamate modulators in resistant depression.

scholarly journals The Correlation of Glycemic Index, Glycemic Load, and Carbohydrates with the Risk of Hepatocellular Carcinoma: A Systematic Review and Meta-Analysis

2021 ◽  
Author(s):  
Long-Shan Yang ◽  
Guang-Xiao Meng ◽  
Zi-Niu Ding ◽  
Lun-Jie Yan ◽  
Sheng-Yu Yao ◽  
...  
Keyword(s):  
Hepatocellular Carcinoma ◽  
Glycemic Index ◽  
Hepatitis Virus ◽  
Meta Analysis ◽  
Glycemic Load ◽  
Random Effect ◽  
Random Effect Model ◽  
Fixed Effect Model ◽  
Case Control Studies ◽  
Effect Model

Abstract Background Glycemic index (GI), glycemic load (GL), and carbohydrates have been shown to be associated with a variety of cancers, but their correlation with hepatocellular carcinoma (HCC) remains controversial. The purpose of our study was to investigate the correlation of GI, GL and carbohydrate with risk of HCC.Methods Systematic searches were conducted in PubMed, Embase and Web of Science until November 2020. According to the size of heterogeneity, the random effect model or the fixed effect model was performed to calculate the pooled relative risks (RRs) and 95% confidence intervals (CIs) for the correlation of GI, GL, and carbohydrates with the risk of HCC.Results Seven cohort studies involving 1,193,523 participants and 1,004 cases, and 3 case-control studies involving 827 cases and 5,502 controls were eventually included. The pooled results showed no significant correlation of GI (RR=1.11, 95%CI 0.80-1.53, I2= 62.2%), GL (RR=1.09, 95%CI 0.76-1.55, I2 = 66%), and carbohydrate (RR=1.09, 95%CI 0.84-1.32, I2=0%) with the risk of HCC in general population. Subgroup analysis revealed that in hepatitis B virus (HBV) or/and hepatitis C virus (HCV)-positive group, GI was not correlated with the risk of HCC (RR=0.65, 95%CI 0.32-1.32, p=0.475, I2=0.0%), while GL was significantly correlated with the risk of HCC (RR=1.52, 95%CI 1.04-2.23, p=0.016, I2=70.9%). In contrast, in HBV and HCV-negative group, both GI (RR=1.23, 95%CI 0.88-1.70, p=0.222, I2=33.6%) and GL (RR=1.17, 95% CI 0.83-1.64, p=0.648, I2=0%) were not correlated with the risk of HCC. Conclusion A high GL diet is correlated with a higher risk of HCC in people with hepatitis virus. A low GL diet may be recommended for patients with viral hepatitis to reduce the risk of HCC.

scholarly journals Mobile Phone Technologies in the Management of Ischemic Heart Disease, Heart Failure, and Hypertension: Systematic Review and Meta-Analysis

10.2196/16695 ◽  
2020 ◽  
Vol 8 (7) ◽  
pp. e16695 ◽  
Author(s):  
Praveen Indraratna ◽  
Daniel Tardo ◽  
Jennifer Yu ◽  
Kim Delbaere ◽  
Matthew Brodie ◽  
...  
Keyword(s):  
Heart Failure ◽  
Systematic Review ◽  
Heart Disease ◽  
Ischemic Heart Disease ◽  
Mobile Phone ◽  
Meta Analysis ◽  
Random Effect ◽  
Random Effect Model ◽  
Ischemic Heart ◽  
Valuable Adjunct

Background Cardiovascular disease (CVD) remains the leading cause of death worldwide. Mobile phones have become ubiquitous in most developed societies. Smartphone apps, telemonitoring, and clinician-driven SMS allow for novel opportunities and methods in managing chronic CVD, such as ischemic heart disease, heart failure, and hypertension, and in the conduct and support of cardiac rehabilitation. Objective A systematic review was conducted using seven electronic databases, identifying all relevant randomized control trials (RCTs) featuring a mobile phone intervention (MPI) used in the management of chronic CVD. Outcomes assessed included mortality, hospitalizations, blood pressure (BP), and BMI. Methods Electronic data searches were performed using seven databases from January 2000 to June 2019. Relevant articles were reviewed and analyzed. Meta-analysis was performed using standard techniques. The odds ratio (OR) was used as a summary statistic for dichotomous variables. A random effect model was used. Results A total of 26 RCTs including 6713 patients were identified and are described in this review, and 12 RCTs were included in the meta-analysis. In patients with heart failure, MPIs were associated with a significantly lower rate of hospitalizations (244/792, 30.8% vs 287/803, 35.7%; n=1595; OR 0.77, 95% CI 0.62 to 0.97; P=.03; I2=0%). In patients with hypertension, patients exposed to MPIs had a significantly lower systolic BP (mean difference 4.3 mm Hg; 95% CI −7.8 to −0.78 mm Hg; n=2023; P=.02). Conclusions The available data suggest that MPIs may have a role as a valuable adjunct in the management of chronic CVD.

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