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Efficacy of in-person versus digital mental health interventions for postpartum depression: Meta-analysis of randomized controlled trials
Aim: This meta-analysis aimed to compare the efficacy of in-person and digital mental health interventions in addressing Postpartum Depression. Methods: Following PRISMA guidelines, the protocol for this meta-analysis was registered at the Open Science Framework (Retrieved from osf.io/wy3s4). This meta analysis included Randomized Controlled Trials (RCTs) conducted between 2013 and 2023. A comprehensive literature search identified 35 eligible RCTs from various electronic databases. Inclusion criteria focused on pregnant women over 18 years old, encompassing antenatal depression and up to two years postpartum. Diagnostic interviews or Edinburgh Postnatal Depression Scale (EPDS) were used to establish PPD. Digital interventions included telephonic, app-based, or internet-based approaches, while in-person interventions involved face-to-face sessions. Results: The meta-analysis revealed a moderate overall effect size of -0.69, indicating that psychological interventions are effective for PPD. Digital interventions (g = -0.86) exhibited a higher mean effect size than in-person interventions (g = -0.55). Both types of interventions displayed substantial heterogeneity (digital: I2 = 99%, in-person: I2 = 92%), suggesting variability in intervention content, delivery methods, and participant characteristics. Conclusion: Digital mental health interventions show promise in addressing PPD symptoms, with a potentially greater effect size compared to in-person interventions. However, the high heterogeneity observed in both modalities underscores the need for further research to identify key drivers of success and tailor interventions to diverse populations. Additionally, the choice between digital and in-person interventions should consider individual needs and preferences. Ongoing research should further investigate and optimise intervention modalities to better serve pregnant women at risk of PPD.
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Recording harms in randomized controlled trials of behavior change interventions: a scoping review and map of the evidence.
Objectives: Randomized controlled trials evaluate diverse interventions. This can include medical interventions such as drugs or surgical procedures, or behavior change interventions (BCIs) that aim to change a habit, belief, or attitude to improve health, for example, healthy eating, psychological wellbeing. Harms are often recorded poorly or inconsistently within randomized controlled trials of BCIs. This scoping review aimed to collate and describe literature on categories, definitions, and mechanisms of harms from BCIs; methods of identifying plausible harms; and recommendations for recording harms. Study design and setting: A scoping review was conducted. Three databases (MEDLINE, PsycINFO, and CINAHL) were searched. Reference list checking and citation searching were performed. Articles were included if they discussed (1) interventions that aimed to modify behavior, (2) categories or mechanisms of harms, and (3) methods or recommendations for recording harms. All research designs were included. One reviewer reviewed titles, abstracts, and full texts; queries were checked with another reviewer. Data were extracted and synthesized descriptively by one reviewer and checked by another reviewer. A thematic map was constructed to summarize the review findings. Harms described from specific BCIs were identified, and examples were selected and summarized. Results: The review included 37 articles. Nineteen of 37 articles contributed to a thematic review. Three articles described categories of harms; categories of harm included physical, psychological, group and social interactions, cultural, equity, opportunity cost, environmental, and economic. Seven articles included mechanisms or underlying factors for harms including feelings of failure leading to shame or stigma, and group interventions enabling knowledge exchange on unhealthy behaviors. Twelve articles provided recommendations for recording harms, including taking a proportionate approach by focusing on the most plausible and important harms, collecting different perspectives on whether harms had occurred (eg, caregivers and family members), and using qualitative research methods to identify harms. One article described a three-step method to identify plausible harms from an intervention, and six articles supported aspects of the method. Eighteen of 37 articles contributed to a review which collated harms arising from specific interventions, for example, a peer support intervention in inflammatory bowel disease caused distressing conversations which might lead to anxiety and confrontation with a possible negative future. Conclusion: BCIs can cause harm. This review identified categories and proposed mechanisms of harms, as well as methods and recommendations for identifying and recording harms in BCIs for inclusion in forthcoming recommendations.
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Effects of prenatal nutritional supplements on gestational weight gain in low- and middle-income countries: a meta-analysis of individual participant data.
Background: Gestational weight gain (GWG) below or above the Institute of Medicine (IOM) recommendations has been associated with adverse perinatal outcomes. Few studies have examined the effect of prenatal nutrient supplementations on GWG in low- and middle-income countries (LMICs). Objectives: We aimed to investigate the effects of multiple micronutrient supplements (MMSs) and small-quantity lipid-based nutrient supplements (LNSs) on GWG in LMICs. Methods: A 2-stage meta-analysis of individual participant data was conducted to examine the effects of MMSs (45,507 women from 14 trials) and small-quantity LNSs (6237 women from 4 trials) on GWG compared with iron and folic acid supplements only. Percentage adequacy of GWG and total weight gain at delivery were calculated according to the IOM 2009 guidelines. Binary outcomes included severely inadequate (percentage adequacy 125%) GWG. Results from individual trials were pooled using fixed-effects inverse-variance models. Heterogeneity was examined using I2, stratified analysis, and meta-regression. Results: MMSs resulted in a greater percentage adequacy of GWG [weighted mean difference (WMD): 0.86%; 95% CI: 0.28%, 1.44%; P < 0.01] and higher GWG at delivery (WMD: 209 g; 95% CI: 139, 280 g; P < 0.01) than among those in the control arm. Women who received MMSs had a 2.9% reduced risk of severely inadequate GWG (RR: 0.971; 95% CI: 0.956, 0.987; P < 0.01). No association was found between small-quantity LNSs and GWG percentage adequacy (WMD: 1.51%; 95% CI: -0.38%, 3.40%; P = 0.21). Neither MMSs nor small-quantity LNSs were associated with excessive GWG. Conclusions: Maternal MMSs were associated with greater GWG percentage adequacy and total GWG at delivery than was iron and folic acid only. This finding is consistent with previous results on birth outcomes and will inform policy development and local recommendations of switching routine prenatal iron and folic acid supplements to MMSs.
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Instruments assessing risk of bias of randomized trials frequently included items that are not addressing risk of bias issues
Objectives: To establish whether items included in instruments published in the last decade assessing risk of bias of randomized controlled trials (RCTs) are indeed addressing risk of bias.Study Design and Setting: We searched Medline, Embase, Web of Science, and Scopus from 2010 to October 2021 for instruments assessing risk of bias of RCTs. By extracting items and summarizing their essential content, we generated an item list. Items that two re-viewers agreed clearly did not address risk of bias were excluded. We included the remaining items in a survey in which 13 experts judged the issue each item is addressing: risk of bias, applicability, random error, reporting quality, or none of the above.Results: Seventeen eligible instruments included 127 unique items. After excluding 61 items deemed as clearly not addressing risk of bias, the item classification survey included 66 items, of which the majority of respondents deemed 20 items (30.3%) as addressing risk of bias; the majority deemed 11 (16.7%) as not addressing risk of bias; and there proved substantial disagreement for 35 (53.0%) items. Conclusion: Existing risk of bias instruments frequently include items that do not address risk of bias. For many items, experts disagree on whether or not they are addressing risk of bias.(c) 2022 Elsevier Inc. All rights reserved.
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Probiotics therapy for adults with diarrhea-predominant irritable bowel syndrome: a systematic review and meta-analysis of 10 RCTs
Purpose Accumulating evidence showed that probiotics therapy might be effective in treating diarrhea-predominant irritable bowel syndrome (IBS-D). This study aimed to evaluate the effectiveness and safety of probiotics therapy for the treatment of IBS-D. Methods We performed a comprehensive literature search in eight electronic databases, and gray literature from inception to August 4, 2021. Randomized controlled trials (RCTs) of probiotics therapy for the treatment of IBS-D were included and the quality was assessed using the risk of bias tool recommended by the Cochrane Handbook version 5.1.0. RevMan 5.4 software was used to perform the meta-analysis on the outcomes of IBS-D symptoms, abdominal pain, quality of life, and abdominal distension. The Grading of Recommendations Assessment, Development and Evaluation (GRADE) approach was used to assess the certainty of evidence. Results Ten RCTs evaluating 943 patients were identified. Only one study had unclear risk of bias, while nine studies had a high risk of bias. The meta-analysis results showed that, compared to the placebo, probiotics therapy significantly decreased the score of IBS-D symptoms (SMD = - 0.55, 95% CI: [- 0.83, - 0.27], P < 0.05), abdominal pain (SMD = - 0.43, 95% CI: [- 0.57, - 0.29], P < 0.05), and abdominal distension (SMD = - 0.45, 95%CI: [- 0.81, - 0.09], P < 0.05). There was no statistical difference in the quality of life. However, all the certainty of evidence was very low. Conclusion Very low certainty evidence showed that probiotics might be an effective treatment for improving the IBS-D symptoms, abdominal pain, and abdominal distension, in adult IBS-D patients. However, these conclusions should be supported by high-quality evidence.
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Lubricant for reducing perineal trauma: A systematic review and meta-analysis of randomized controlled trials
Aim To assess the effect of lubricants on reducing perineal trauma during vaginal delivery. Methods PubMed, Embase, the Cochrane Library, CINAHL, China National Knowledge Infrastructure, China Biology Medicine disc, WanFang databases, and , were searched for literature up to 25 June 2021. Randomized controlled trials published in English or Chinese that compared the vaginal application of lubricant with standard care for women were included. Two reviewers independently performed study screening, data extraction, risk of bias assessment, and certainty of evidence assessment. Pooled effect sizes and corresponding 95% confidence intervals (CI) were calculated using meta-analysis. Results Nineteen trials enrolling 5445 pregnant women were included. Compared with standard care, women using lubricants had a lower incidence of perineal trauma (risk ratio [RR] 0.84, 95% CI 0.76-0.93; low certainty evidence), second-degree perineal laceration (RR 0.72, 95% CI 0.64-0.82; moderate certainty evidence) and episiotomy (RR 0.77, 95% CI 0.62-0.96; very low certainty evidence), and had a shorter duration of the second-stage labor (MD -13.72 min, 95% CI -22.68 to -4.77; very low certainty evidence). Conclusion Lubricants might reduce the incidence of perineal trauma, especially second-degree perineal laceration, and shorten the duration of the second-stage labor. More well-designed studies will continue developing high-quality evidence in this field.
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Outcomes, measurement instruments, and their validity evidence in randomized controlled trials on virtual, augmented, and mixed reality in undergraduate medical education: Systematic mapping review
BACKGROUND: Extended reality, which encompasses virtual reality (VR), augmented reality (AR), and mixed reality (MR), is increasingly used in medical education. Studies assessing the effectiveness of these new educational modalities should measure relevant outcomes using outcome measurement tools with validity evidence. OBJECTIVE: Our aim is to determine the choice of outcomes, measurement instruments, and the use of measurement instruments with validity evidence in randomized controlled trials (RCTs) on the effectiveness of VR, AR, and MR in medical student education. METHODS: We conducted a systematic mapping review. We searched 7 major bibliographic databases from January 1990 to April 2020, and 2 reviewers screened the citations and extracted data independently from the included studies. We report our findings in line with the PRISMA (Preferred Reporting Items for Systematic Reviews and Meta-Analyses) guidelines. RESULTS: Of the 126 retrieved RCTs, 115 (91.3%) were on VR and 11 (8.7%) were on AR. No RCT on MR in medical student education was found. Of the 115 studies on VR, 64 (55.6%) were on VR simulators, 30 (26.1%) on screen-based VR, 9 (7.8%) on VR patient simulations, and 12 (10.4%) on VR serious games. Most studies reported only a single outcome and immediate postintervention assessment data. Skills outcome was the most common outcome reported in studies on VR simulators (97%), VR patient simulations (100%), and AR (73%). Knowledge was the most common outcome reported in studies on screen-based VR (80%) and VR serious games (58%). Less common outcomes included participants' attitudes, satisfaction, cognitive or mental load, learning efficacy, engagement or self-efficacy beliefs, emotional state, competency developed, and patient outcomes. At least one form of validity evidence was found in approximately half of the studies on VR simulators (55%), VR patient simulations (56%), VR serious games (58%), and AR (55%) and in a quarter of the studies on screen-based VR (27%). Most studies used assessment methods that were implemented in a nondigital format, such as paper-based written exercises or in-person assessments where examiners observed performance (72%). CONCLUSIONS: RCTs on VR and AR in medical education report a restricted range of outcomes, mostly skills and knowledge. The studies largely report immediate postintervention outcome data and use assessment methods that are in a nondigital format. Future RCTs should include a broader set of outcomes, report on the validity evidence of the measurement instruments used, and explore the use of assessments that are implemented digitally.
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Digital health interventions by clinical pharmacists: A systematic review
Integrating digital interventions in healthcare has gained increasing popularity among clinical pharmacists (CPs) due to advances in technology. The purpose of this study was to systematically review CP-led digital interventions to improve patients' health-related clinical outcomes. PubMed and the Cochrane Database were searched to select studies that had conducted a randomized controlled trial to evaluate clinical outcomes in adults following a CP-led digital intervention for the period from January 2005 to August 2021. A total of 19 studies were included in our analysis. In these 19 studies, the most commonly used digital intervention by CPs was telephone use (n = 15), followed by a web-based tool (n = 2) and a mobile app (n = 2). These interventions were provided to serve a wide range of purposes in patients' outcomes: change in lab values (e.g., blood pressure, HbA1c) (n = 23), reduction in health service use (n = 8), enhancing adherence (n = 6), improvement in drug-related outcomes (n = 6), increase in survival (n = 3), and reduction in health-related risk (e.g., CVD risk) (n = 2). Although the impacts of telephone-based interventions on patients' outcomes were decidedly mixed, web-based interventions and mobile apps exerted generally positive influences. To date, little research has investigated the cost-effectiveness of digital interventions. Future studies are warranted.
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Effects of mental health interventions among people hospitalized with COVID-19 infection: A systematic review of randomized controlled trials
OBJECTIVE: We evaluated the effects of mental health interventions among people hospitalized with COVID-19. METHODS: We conducted a systematic review and searched 9 databases (2 Chinese-language) from December 31, 2019 to June 28, 2021. Eligible randomized controlled trials assessed interventions among hospitalized COVID-19 patients that targeted mental health symptoms. Due to the poor quality of trials, we sought to verify accuracy of trial reports including results. RESULTS: We identified 47 randomized controlled trials from China (N = 42), Iran (N = 4) and Turkey (N = 1) of which 21 tested the efficacy of psychological interventions, 5 physical and breathing exercises, and 21 a combination of interventions. Trial information could only be verified for 3 trials of psychological interventions (cognitive behavioral, guided imagery, multicomponent online), and these were the only trials with low risk of bias on at least 4 of 7 domains. Results could not be pooled or interpreted with confidence due to the degree of poor reporting and trial quality, the frequency of what were deemed implausibly large effects, and heterogeneity. CONCLUSION: Trials of interventions to address mental health in hospitalized COVID-19 patients, collectively, are not of sufficient quality to inform practice. Health care providers should refer to existing expert recommendations and standard hospital-based practices.
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Clinical trials in COVID-19 management & prevention: A meta-epidemiological study examining methodological quality
Objective: To describe the characteristics of Covid-19 randomized clinical trials (RCTs) and examine the association between trial characteristics and the likelihood of finding a significant effect. Study design: We conducted a systematic review to identify RCTs (up to October 21, 2020) evaluating drugs or blood products to treat or prevent Covid-19. We extracted trial characteristics (number of centers, funding sources, and sample size) and assessed risk of bias (RoB) using the Cochrane RoB 2.0 tool. We performed logistic regressions to evaluate the association between RoB due to randomization, single vs. multicentre, funding source, and sample size, and finding a statistically significant effect. Results: We included 91 RCTs (n = 46,802); 40 (44%) were single-center, 23 (25.3%) enrolled < 50 patients, 28 (30.8%) received industry funding, and 75 (82.4%) had high or probably high RoB. Thirty-eight trials (41.8%) reported a statistically significant effect. RoB due to randomization and being a single-center trial were associated with increased odds of finding a statistically significant effect. Conclusions: There is high variability in RoB among Covid-19 trials. Researchers, funders, and knowledge-users should be cognizant of the impact of RoB due to randomization and single-center trial status in designing, evaluating, and interpreting the results of RCTs. (C) 2021 Elsevier Inc. All rights reserved.
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Efficacy and safety of intraoperative radiotherapy in rectal cancer: A systematic review and meta-analysis
BACKGROUND In recent years, intraoperative radiotherapy (IORT) has been increasingly used for the treatment of rectal cancer. However, the efficacy and safety of IORT for the treatment of rectal cancer are still controversial. AIM To evaluate the value of IORT for patients with rectal cancer. METHODS We searched PubMed, Embase, Cochrane Library, Web of Science databases, and conference abstracts and included randomized controlled trials and observational studies on IORT vs non-IORT for rectal cancer. Dichotomous variables were evaluated by odds ratio (OR) and 95% confidence interval (CI), hazard ratio (HR) and 95%CI was used as a summary statistic of survival outcomes. Statistical analyses were performed using Stata V.15.0 and Review Manager 5.3 software. RESULTS In this study, 3 randomized controlled studies and 12 observational studies were included with a total of 1460 patients, who are mainly residents of Europe, the United States, and Asia. Our results did not show significant differences in 5-year overall survival (HR = 0.80, 95%CI = 0.60-1.06; P = 0.126); 5-year disease-free survival (HR = 0.94, 95%CI = 0.73-1.22; P = 0.650); abscess (OR = 1.10, 95%CI = 0.67-1.80; P = 0.713), fistulae (OR = 0.79, 95%CI = 0.33-1.89; P = 0.600); wound complication (OR = 1.21, 95%CI = 0.62-2.36; P = 0.575); anastomotic leakage (OR = 1.09, 95%CI = 0.59-2.02; P = 0.775); and neurogenic bladder dysfunction (OR = 0.69, 95%CI = 0.31-1.55; P = 0.369). However, the meta-analysis of 5-year local control was significantly different (OR = 3.07, 95%CI = 1.66-5.66; P = 0.000). CONCLUSION The advantage of IORT is mainly reflected in 5-year local control, but it is not statistically significant for 5-year overall survival, 5-year disease-free survival, and complications.
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Electro-acupuncture vs. sham electro-acupuncture for chronic severe functional constipation: A systematic review and meta-analysis
Objectives: To assess the efficacy of electro-acupuncture (EA) relative to sham electro-acupuncture (sham EA) in treating chronic severe functional constipation (CSFC). Methods: A comprehensive search for relevant studies published between January 1, 1951 and May 14, 2020 was conducted in PubMed, the Cochrane Library, Chinese Biomedical Literature Database, Web of Science, and EMbase. Two investigators independently selected studies, extracted data, and assessed the quality of the included studies. The software Endnote X9 was used for screening articles, and the Review Manager 5.3 for analyzing data. Results: The meta-analyses involved 6 studies and 1457 individuals. The pooled results favored the EA group for the increase of complete spontaneous bowel movements (CSBMs) per week in the fourth week (MD = 0.80, P = 0.001) during treatment, and further improved in the eight weeks (MD = 1.25, P < 0.001). During the follow-up period, significant changes in CSBMs per week were seen in the experimental group (MD = 1.38, P = 0.008); the effect decreased in the twelfth week (MD = 0.87, P < 0.001). There was no significant difference in the Bristol stool scale score between the two groups in the fourth week (MD = 0.40, P = 0.08), but significant differences were observed in the eighth week (MD = 0.40, P = 0.03). A significant reduction in patient assessment of constipation quality of life (PAC-QOL) score were observed in the EA group during treatment (SMD = -0.83, P < 0.001). No serious adverse events were reported. Conclusions: EA had favorable effects on CSFC, and the longer the treatment duration was, the better was the effect, but the effect showed a certain period of validity. However, the results may be influenced by the clinical heterogeneity of acupuncture points, depth of needling, intensity, and frequency of EA.
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The efficacy and safety of capecitabine-based versus S-1-based chemotherapy for metastatic or recurrent gastric cancer: a systematic review and meta-analysis of clinical randomized trials
Background: Gastric cancer (GC), particularly unresectable, metastatic, or recurrent GC, has been characterized by unfavorable prognosis. This meta-analysis of clinical randomized phase II trials was conducted to systematically evaluate the efficacy and safety of capecitabine-based versus S-1-based chemotherapy for metastatic or recurrent GC. Methods: We searched PubMed, Embase, Web of Science, and Cochrane Library databases to identify studies eligible for the present analysis. Data were collected from inception to June 20th, 2019. Outcomes included objective response rate (ORR); 6-, 12-, and 18-month progression-free survival (PFS); 1-, 2-, and 3-year overall survival (OS); and adverse events. A meta-analysis was conducted using a random-effects model, and a sensitivity analysis was conducted to examine whether the results of the meta-analysis were robust. Risk ratio (RR) or hazard ratio (HR) with 95% confidence interval (CI) was reported as the main evaluation parameters. Results: Six eligible studies with 561 subjects were included in the present meta-analysis. There was no significant difference between S-1-based and capecitabine-based chemotherapy in ORR (RR =1.17, 95% CI: 0.95-1.44, P=0.13, I-2 =0%); 6-month (HR =0.94, 95% CI: 0.77-1.14, I-2 =0%), 12-month (HR =0.89, 95% CI: 0.61-1.31, I-2 =0%), and 18-month PFS (HR =1.02, 95% CI: 0.55-1.91, I-2 =0%); 1-year (HR =0.99, 95% CI: 0.83-1.18, I-2 =0%), 2-year (HR =0.90, 95% CI: 0.58-1.42, I-2 =0%), and 3-year OS (HR =1.08, 95% CI: 0.50-2.34, I-2 =0%). However, the capecitabine-based chemotherapy had a higher incidence in all grades of hand-foot syndrome (HFS) (RR =3.41, 95% CI: 1.98-5.90, P<0.01, I-2 =39%) and grades 3-4 neutropenia (RR =1.62, 95% CI: 1.05-2.51, P=0.03, I-2 =0%). Conclusions: In terms of efficacy, capecitabine-based chemotherapy and S-1-based chemotherapy had similar short-term outcomes. Regarding safety, we recommend S-1-based chemotherapy for patients with metastatic or recurrent GC prior to capecitabine-based treatment.
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Barbed suture versus traditional suture in primary total knee arthroplasty: A systematic review and meta-analysis of randomized controlled studies
Background: Barbed suture has been widely used in some surgical fields, and it has achieved good results, but the application in total knee arthroplasty is still controversial. Objective: Literature is collected for statistical analysis so as to provide evidence for the use of barbed suture in Total knee arthroplasty. Methods: We searched PubMed, the Cochrane library and EMBASE database for randomized controlled trials (RCTs) using barbed suture and conventional suture to close incisions after primary total knee arthroplasty, and the retrieval time was from July 2019 to the establishment of the database. Literature was screened according to inclusion and exclusion criteria, quality evaluation and data extraction were conducted for the final included literature, and statistical analysis was conducted using RevMan 5.3 software. Results: A total of six RCTs (826 knees) were included in our meta-analysis. The results showed that the re-negative conversion could shorten the wound closure time (MD –4.41, 95% CI −5.11 to −3.72, P < .00001) and reduce the wound closure total cost (MD –282.61, 95% CI –445.36 to –119.85, P = .0007) and acupuncture injury (RR 0.14, 95% CI 0.03–0.78, P = .02), and did not significantly increasing the incidence of complications (RR 0.80, 95% CI 0.05–0.96, P = .38) or suture breakages (RR 4.58, 95% CI 0.16−128.29, P = .37). There were no significant differences in ROM at postoperative 6 weeks and 3 months (MD −0.74, 95% CI −4.19 to 2.71, P = .67; MD −0.30, 95% CI −2.62 to 2.02, P = .80) and no significant differences in KSS at postoperative 6 weeks (MD –0.22, 95% CI –3.10 to 2.66, P = .88). Conclusions: Our study shows that barbed suture is a fast, low-cost, safe and effective suture method in total knee arthroplasty compared with traditional suture, we also need more literature and longer follow-up to confirm this conclusion.
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The effectiveness of aerobic exercise for hypertensive population A systematic review and meta-analysis
The study aims to evaluate the effectiveness of different durations of aerobic exercise on hypertensive patients. Four electronic databases (PubMed, Embase, Cochrane Library, and Web of Science) were searched from their inception until July 2018. English publications and randomized controlled trials involving aerobic exercise treatment for hypertensive population were included. Two reviewers independently extracted the data. The Cochrane's Risk of Bias tool was used to assess the quality of included studies. In this systematic review, a total of 14 articles were included, involving 860 participants. The quality of the included studies ranged from moderate to high. The results of the meta-analysis showed that compared with the control group, significant effects of aerobic exercise were observed on reducing systolic blood pressure (SBP) (mean difference [MD] = -12.26 mm Hg, 95% confidence interval [CI] = -15.17 to -9.34, P < 0.05), diastolic blood pressure (DBP; MD = -6.12 mm Hg, 95% CI = -7.76 to -4.48, P < 0.05), and heart rate (MD = -4.96 bpm, 95% CI = -6.46 to -3.43, P < 0.05). In addition, significant reductions were observed in ambulatory DBP (MD = -4.90 mm Hg, 95% CI = -8.55 to -1.25, P < 0.05) and ambulatory SBP (MD = -8.77mm Hg, 95% CI = -13.97 to -3.57, P < 0.05). Therefore, aerobic exercise might be an effective treatment for blood pressure improvement in hypertensive patients. However, the effectiveness between the duration of different treatment needs to be well-designed and rigorous studies will be required to verify the dataset.
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Comparative evaluation of group-based mindfulness-based stress reduction and cognitive behavioural therapy for the treatment and management of chronic pain: A systematic review and network meta-analysis
QUESTION: This review compares mindfulness-based stress reduction (MBSR) to cognitive-behavioural therapy (CBT) in its ability to improve physical functioning and reduce pain intensity and distress in patients with chronic pain (CP), when evaluated against control conditions. STUDY SELECTION AND ANALYSIS: Ovid MEDLINE, EmbaseClassic+Embase, PsycINFO and the Cochrane Library were searched to identify randomised controlled trials. The primary outcome measure was physical functioning. Secondary outcomes were pain intensity and depression symptoms. We used random and fixed effects (RE and FE) network meta-analyses (NMA) to compare MBSR, CBT and control interventions on the standardised mean difference scale. FINDINGS: Twenty-one studies were included: 13 CBT vs control (n=1095), 7 MBSR vs control (n=545) and 1 MBSR vs CBT vs control (n=341). Of the 21 articles, 12 were determined to be of fair or good quality. Findings from RE NMA for change in physical functioning, pain intensity and depression revealed clinically important advantages relative to control for MBSR and CBT, but no evidence of an important difference between MBSR and CBT was found. CONCLUSIONS: This review suggests that MBSR offers another potentially helpful intervention for CP management. Additional research using consistent measures is required to guide decisions about providing CBT or MBSR.
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Group psychotherapy for eating disorders: A meta-analysis
OBJECTIVE: In the current meta-analysis, we review the effect of group psychotherapy compared to both wait-list controls and other active treatments for adults with eating disorders (EDs). METHOD: Twenty-seven randomized controlled trials (RCTs) that provide direct comparisons with a total of 1,853 participants were included. RESULTS: Group psychotherapy is significantly more effective than wait-list controls at achieving abstinence rates of binge eating and/or purging (RR = 5.51, 95% CI: 3.73, 8.12), decreasing the frequency of binge eating and/or purging (g = 0.70, 95% CI: 0.51, 0.90), and reducing related ED psychopathology (g = 0.49, 95% CI: 0.32, 0.66) after treatment. The effects of group psychotherapy and other active treatments (e.g., behavioral weight loss, self-help, individual psychotherapy) did not differ on any outcome at post-treatment or at follow-ups. Group cognitive behavioral therapy (CBT) and other forms of group psychotherapy did not differ significantly on outcomes at any time point. DISCUSSION: Additional research is needed to evaluate other group psychotherapy approaches, along with CBT, to provide more evidence-based treatment options for individuals with an ED. Group psychotherapy appears as effective as other common treatments and is perhaps more cost-effective than the most popular treatment, individual psychotherapy. Only 8.33% of comparisons in the current meta-analysis had at least 80% power to detect a moderate effect (d = .50) and we recommend that future RCTs be adequately powered.
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Effect of cardiac resynchronization therapy on patients with heart failure and narrow QRS complexes: a meta-analysis of five randomized controlled trials
PURPOSE: Although cardiac resynchronization therapy (CRT) has been demonstrated extensively to benefit heart failure (HF) patients with wide QRS complexes, the effect of CRT in patients with narrow QRS complexes remains unclear. This meta-analysis aimed to determine whether HF patients with narrow QRS complexes may benefit from CRT. METHODS: A search of MEDLINE, EMBASE, and Cochrane databases was performed to identify randomized controlled trials (RCTs) that investigated the effect of CRT in HF patients with narrow QRS complexes (<130 ms). Outcomes included all-cause mortality, heart failure-related death or hospitalization, 6-min walk distance, quality of life ejection fraction, end-systolic volume, and end-diastolic volume. RESULTS: A total of five RCTs involving 1246 HF patients with narrow QRS complexes were included. The frequency of all-cause mortality for patients receiving CRT versus the control group was 10 versus 7 % (relative risk [RR] 1.45, 95 % confidence interval [CI] 1.002 to 2.091, P = 0.049). CRT did not reduce heart failure-related mortality (RR 0.89; 95 % CI 0.52 to 1.54; P = 0.69) or hospitalization (RR 0.99, 95 % CI 0.79 to 1.23, P = 0.91). In addition, CRT did not improve average 6-min walk distance (weighted mean difference [WMD] 39.28 m, 95 % CI -71.04 to 149.61 m, P = 0.49), QOL scores (WMD 0.64 points, 95 % CI -2.15.10 to 3.43 points, P = 0.65), or ejection fraction (WMD 0.90 %, 95 % CI -0.71 to 2.51 %, P = 0.28). CONCLUSIONS: In HF patients with reduced left ventricular ejection fraction (
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The impact of physician-nurse task shifting in primary care on the course of disease: A systematic review
BACKGROUND: Physician-nurse task shifting in primary care appeals greatly to health policymakers. It promises to address workforce shortages and demands of high-quality, affordable care in the healthcare systems of many countries. This systematic review was conducted to assess the evidence about physician-nurse task shifting in primary care in relation to the course of disease and nurses' roles. METHODS: We searched MEDLINE, Embase, The Cochrane Library and CINAHL, up to August 2012, and the reference list of included studies and relevant reviews. All searches were updated in February 2014. We selected and critically appraised published randomized controlled trials (RCTs). RESULTS: Twelve RCTs comprising 22 617 randomized patients conducted mainly in Europe met the inclusion criteria. Nurse-led care was delivered mainly by nurse practitioners following structured protocols and validated instruments in most studies. Twenty-five unique disease-specific measures of the course of disease were reported in the 12 RCTs. While most (84 %) study estimates showed no significant differences between nurse-led care and physician-led care, nurses achieved better outcomes in the secondary prevention of heart disease and a greater positive effect in managing dyspepsia and at lowering cardiovascular risk in diabetic patients. The studies were generally small, of varying follow-up episodes and were at risk of biases. Descriptive details about roles, qualifications or interventions were also incomplete or not reported. CONCLUSION: Trained nurses may have the ability to achieve outcome results that are at least similar to physicians' for managing the course of disease, when following structured protocols and validated instruments. The evidence, however, is limited by a small number of studies reporting a broad range of disease-specific outcomes; low reporting standards of interventions, roles and clinicians' characteristics, skills and qualifications; and the quality of studies. More rigorous studies using validated tools could clarify these findings
研究证据
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Community-based case management effectiveness in populations that abuse substances
BACKGROUND: The number of persons who are substance abusing has been increasing globally. A majority of them remain in their communities, untreated. Empirical studies have shown some positive impacts of case management on substance abuse. However, studies that systematically synthesize the effectiveness of community-based case management with populations that abuse substances are limited. AIM: To review evidence of the impact of case management in improving treatment of substance abuse among adults in community settings. METHODS: The Cochrane processes guided this systematic review. PubMed, CINAHL, PsycINFO, Ovid and the Web of Science were searched to retrieve primary studies published from 2000 to 2013. All randomized controlled trials were considered for review. The methodological quality of the studies was assessed. RESULTS: The initial unfiltered search identified 506 references. A total of seven randomized controlled trials were selected for review. Findings show that, compared with clinical case management and usual care, community-based case management services significantly improved clients' ability to abstain from drug use, reduced social problems, supported unmet service needs and improved satisfaction. Studies also showed reduced use of healthcare services, but results were mixed. CONCLUSIONS: There is an evidence base for practicing case management among adults who are substance abusing. In general, studies concluded that case management is an active and assertive method of care coordination for formal substance abuse treatment. Further research is needed to assess case management's cost-effectiveness and the impact of dosage on client outcomes. IMPLICATIONS FOR NURSING POLICY: Because of the complexity of population health management across settings and over long time frames, evidence-based strategies are required to achieve health improvements. Because it provides continuous and timely care, healthcare leaders and policymakers should consider community-based case management as an important strategy for coordinating the care in populations that are substance abusing.
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