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Relation of premature atrial complexes with stroke and death: Systematic review and meta-analysis.

ABSTRACT: Frequent premature atrial complexes (PACs) are universal in the general population; however, their clinical significance is unclear. We hypothesize that frequent PACs are associated with increased risk of stroke and death. The PubMed (from 1966 to April 2017) and Embase (from 1974 to April 2017) databases were searched for longitudinal studies that reported the relation of PACs with incidence of stroke and death with various etiologies. Study quality was evaluated, and the relative risks (RR) of unfavorable outcomes in subjects with frequent PACs vs those without were calculated. Eleven studies with overall high quality were eligible according to inclusion criteria. The meta-analysis demonstrated that frequent PACs were associated with an increased risk of stroke (unadjusted RR: 2.20, 95% confidence interval [CI]: 1.79-2.70; adjusted RR: 1.41, 95% CI: 1.25-1.60) and death from all causes (unadjusted RR: 2.17, 95% CI: 1.80-2.63; adjusted RR: 1.26, 95% CI: 1.13-1.41), cardiovascular diseases (unadjusted RR: 2.89, 95% CI: 2.20-3.79; adjusted RR: 1.38, 95% CI: 1.24-1.54), and coronary artery disease (unadjusted RR: 2.74, 95% CI: 1.64-4.58; adjusted RR: 1.74, 95% CI: 1.27-2.37). No significant publication bias was detected. The association was robust in sensitivity analysis, subgroup analysis, and pooled analysis of estimates adjusting for confounding factors. Frequent PACs are not benign phenomena; they are associated with higher risk of unfavorable outcomes. Further research on the optimal management of subjects with frequent PACs is urgently required.

SUBMITTER: Huang BT

PROVIDER: S-EPMC6490370 | biostudies-literature | 2017 Nov

REPOSITORIES: biostudies-literature

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Relation of premature atrial complexes with stroke and death: Systematic review and meta-analysis.

Huang Bao-Tao BT Huang Fang-Yang FY Peng Yong Y Liao Yan-Biao YB Chen Fei F Xia Tian-Li TL Pu Xiao-Bo XB Chen Mao M

Clinical cardiology 20170828 11

Frequent premature atrial complexes (PACs) are universal in the general population; however, their clinical significance is unclear. We hypothesize that frequent PACs are associated with increased risk of stroke and death. The PubMed (from 1966 to April 2017) and Embase (from 1974 to April 2017) databases were searched for longitudinal studies that reported the relation of PACs with incidence of stroke and death with various etiologies. Study quality was evaluated, and the relative risks (RR) of ...[more]

PMID: 28846809

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Project description:Objective To compare the efficacy, safety, and cost effectiveness of direct acting oral anticoagulants (DOACs) for patients with atrial fibrillation.Design Systematic review, network meta-analysis, and cost effectiveness analysis. Data sources Medline, PreMedline, Embase, and The Cochrane Library.Eligibility criteria for selecting studies Published randomised trials evaluating the use of a DOAC, vitamin K antagonist, or antiplatelet drug for prevention of stroke in patients with atrial fibrillation.Results 23 randomised trials involving 94?656 patients were analysed: 13 compared a DOAC with warfarin dosed to achieve a target INR of 2.0-3.0. Apixaban 5 mg twice daily (odds ratio 0.79, 95% confidence interval 0.66 to 0.94), dabigatran 150 mg twice daily (0.65, 0.52 to 0.81), edoxaban 60 mg once daily (0.86, 0.74 to 1.01), and rivaroxaban 20 mg once daily (0.88, 0.74 to 1.03) reduced the risk of stroke or systemic embolism compared with warfarin. The risk of stroke or systemic embolism was higher with edoxaban 60 mg once daily (1.33, 1.02 to 1.75) and rivaroxaban 20 mg once daily (1.35, 1.03 to 1.78) than with dabigatran 150 mg twice daily. The risk of all-cause mortality was lower with all DOACs than with warfarin. Apixaban 5 mg twice daily (0.71, 0.61 to 0.81), dabigatran 110 mg twice daily (0.80, 0.69 to 0.93), edoxaban 30 mg once daily (0.46, 0.40 to 0.54), and edoxaban 60 mg once daily (0.78, 0.69 to 0.90) reduced the risk of major bleeding compared with warfarin. The risk of major bleeding was higher with dabigatran 150 mg twice daily than apixaban 5 mg twice daily (1.33, 1.09 to 1.62), rivaroxaban 20 mg twice daily than apixaban 5 mg twice daily (1.45, 1.19 to 1.78), and rivaroxaban 20 mg twice daily than edoxaban 60 mg once daily (1.31, 1.07 to 1.59). The risk of intracranial bleeding was substantially lower for most DOACs compared with warfarin, whereas the risk of gastrointestinal bleeding was higher with some DOACs than warfarin. Apixaban 5 mg twice daily was ranked the highest for most outcomes, and was cost effective compared with warfarin.Conclusions The network meta-analysis informs the choice of DOACs for prevention of stroke in patients with atrial fibrillation. Several DOACs are of net benefit compared with warfarin. A trial directly comparing DOACs would overcome the need for indirect comparisons to be made through network meta-analysis.Systematic review registration PROSPERO CRD 42013005324.

Project description:BackgroundTramadol is a centrally acting analgesic prescribed off-label for the treatment of premature ejaculation (PE). However, tramadol may cause addiction and difficulty in breathing and the beneficial effect of tramadol in PE is yet not supported by a high level of evidence. The purpose of this study was to systematically review the evidence from randomised controlled trials (RCT) for tramadol in the management of PE.MethodsWe searched bibliographic databases including MEDLINE to August 2014 for RCTs. The primary outcome was intra-vaginal ejaculatory latency time (IELT). Methodological quality of RCTs was assessed. Between-group differences in IELT and other outcomes were pooled across RCTs in a meta-analysis. Statistical and clinical between-trial heterogeneity was assessed.ResultsA total of eight RCTs that evaluated tramadol against a comparator were included. The majority of RCTs were of unclear methodological quality due to limited reporting. Pooled evidence (four RCTs, 721 participants), suggests that tramadol is significantly more effective than placebo at increasing IELT over eight to 12 weeks (p = 0.0007). However, a high level of statistical heterogeneity is evident (I-squared = 74%). Single RCT evidence indicates that tramadol is significantly more effective than paroxetine taken on-demand, sildenafil, lidocaine gel, or behavioural therapy on IELT in men with PE. Tramadol is associated with significantly more adverse events including: erectile dysfunction, constipation, nausea, headache, somnolence, dry mouth, dizziness, pruritus, and vomiting, than placebo or behavioural therapy over eight to 12 weeks of treatment. However, addiction problems or breathing difficulties reported by patients for PE is not assessed in the current evidence base.ConclusionsTramadol appears effective in the treatment of PE. However, these findings should be interpreted with caution given the observed levels of between-trial heterogeneity and the reporting quality of the available evidence. The variability across placebo-controlled trials in terms of the tramadol dose evaluated and the treatment duration does not permit any assessment of a safe and effective minimum daily dose. The long-term effects and side effects, including addiction potential, for men with PE have not been evaluated in the current evidence base.Trial registrationThe review is registered on PROSPERO 2013: CRD42013005289 .

Project description:Abstract Background Although acupuncture is widely used to treat premature ejaculation (PE), its effectiveness remains highly controversial. Aim To evaluate the efficacy and safety of acupuncture on PE. Methods According to the relevant keywords, 11 major English and Chinese databases were searched for randomized controlled trials (RCTs) of acupuncture alone or in combination with other treatments for PE. The quality of evidence across studies was assessed by the GRADEpro tool. Outcomes Study outcome measures included the intravaginal ejaculation latency time (IELT), the Premature Ejaculation Diagnostic Tool (PEDT), the Chinese Index of Premature Ejaculation–5 (CIPE-5), treatment success rate, and adverse events. Results Seven trials were included in this review for a total of 603 participants. A low quality of evidence suggests that it is not possible to determine whether acupuncture, as compared with a selective serotonin reuptake inhibitor, has an advantage in improving the IELT (standardized mean difference [SMD], −1.75; 95% CI, −6.12 to 2.63; P = .43, I2 = 98%), PEDT scores (SMD, 0.32; 95% CI, −0.68 to 1.32; P = .53, I2 = 85%), and treatment success rate (risk ratio, 0.69; 95% CI, 0.41-1.14; P = .15). However, participants receiving acupuncture had a lower CIPE-5 (SMD, −1.06; 95% CI, −1.68 to −0.44; P < .01). As compared with sham acupuncture, acupuncture significantly improved the IELT (SMD, 1.47; 95% CI, 1.01-1.92; P < .01, I2 = 0%) and PEDT scores (SMD, −1.23; 95% CI, −1.78 to −0.67; P < .01, I2 = 37%). When compared with other treatments alone, a combined treatment with acupuncture can significantly improve the IELT (SMD, 7.06; 95% CI, 2.53-11.59; P < .01, I2 = 97%), CIPE-5 (SMD, 0.84; 95% CI, 0.45-1.22; P < .01, I2 = 0%), and treatment success rate (SMD, 1.60; 95% CI, 1.18-2.16; P < .01, I2 = 53). Clinical Implications The results suggest a significant effect of acupuncture in the treatment of certain important indicators of PE; however, this finding needs to be treated with caution because of the quality of the RCTs included. Strengths and Limitations Comprehensive inclusion of available RCTs has been performed. However, limitations include a low number of studies and a lack of detailed information to allow subgroup analysis. Conclusion The present systematic review and meta-analysis show that acupuncture has a significant effect on several subjective PE parameters, such as improving the feeling of control over ejaculation and distress, particularly when used in an integrated way. However, due to the low quality of evidence, acupuncture still needs larger well-designed RCTs to be confirmed.

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Relation of premature atrial complexes with stroke and death: Systematic review and meta-analysis.

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Relation of premature atrial complexes with stroke and death: Systematic review and meta-analysis.

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