Questo è quello che abbiamo trovato per te
This randomized clinical trial evaluates optionally switching to buprenorphine as a strategy for improving pain and reducing opioids among patients prescribed high-dose, full agonist long-term opioid therapy.
Objective
This study aimed to assess the status of infant and young child feeding (IYCF) practices and associated factors among children aged 0–23 months in the low-income regions of Dhaka City, Bangladesh.
Design
A community-based cross-sectional study.
Settings
Low-income regions of Dhaka City, Bangladesh.
Participants
530 children aged 0–23 months and their mothers.
Primary and secondary outcome measures
Prevailing IYCF practices were assessed against the 17 indicators of IYCF recommended by the WHO/UNICEF in 2021. Modified Poisson regression models were built to explore the relation between socio-demographic variables and each of the selected IYCF indicators (early initiation of breastfeeding (EIBF), exclusive breastfeeding (EBF), minimum dietary diversity (MDD), minimum meal frequency (MMF) and minimum acceptable diet (MAD)).
Results
More than two-thirds of the children were reported to follow appropriate breastfeeding practices (EIBF, 70.4% and EBF, 60.9%). Among the complementary feeding indicators, almost half of the children (48.8%) were reported to meet MMF; however, only about 26% of the children reportedly met the MDD with a consequent low prevalence (22.9%) of the composite indicator MAD. More than half (55%) of the children were reported to consume egg and/or flesh food consumption; still, inappropriate dietary practices were observed among 60% had unhealthy food consumption, and 56% had zero vegetable or fruit consumption). Child age was a significant determinant of IYCF practices. The children of mothers with no pregnancy complications exhibited a greater chance of having EIBF (estimate: 1.21, 95% CI: 1.04, 1.42, p=0.02), MDD (Estimate: 1.67, 95% CI: 1.09, 2.55, p=0.02), and MAD (estimate: 1.70, 95% CI: 1.04, 2.77, p=0.03) compared with the children of mothers with pregnancy complications. The children with a mother having secondary or higher education had a higher chance of having MDD (estimate: 1.93, 95% CI: 1.35, 2.76, p=0.003) and MMF (estimate: 1.27, 95% CI: 1.03, 1.56, p=0.02) than the children of mothers having primary or no education. Similarly, children from higher-income households had a higher chance of getting MDD (estimate: 1.57, 95% CI: 1.07, 2.03, p=0.02), and MAD (estimate: 1.73, 95% CI: 1.14, 2.64, p=0.01) compared with children from lower-income households.
Conclusion
IYCF practices among a considerable proportion of children aged 0–23 months in the low-income regions of Dhaka City were found to be suboptimal and predicted by children’s age, maternal education and pregnancy complications, and household income.
Introduction
Although many efforts have been made to reduce racial pain disparities over decades, the pain of black patients is still undertreated. Previous work has identified a host of patient and provider factors that contribute to racial disparities in healthcare in general, and consequently, may contribute to disparities in pain care in particular. That said, there has been limited clinically meaningful progress in eliminating these disparities. This lack of progress is likely because prior research has investigated the influence of patient and provider factors in isolation, rather than examining their interaction. Successful pain care requires constructive patient-provider communication, and constructive communication is both dyadic and dynamic. One well-accepted operationalisation of such dyadic processes is behavioural coordination. We hypothesise that the pain of black patients continues to be undertreated because black patients are more likely than white patients to participate in racially discordant medical interactions (ie, seeing other-race providers) and experience disruptions in behavioural coordination. We further hypothesise that disruptions in behavioural coordination will reflect patient and provider factors identified in prior research. We propose to test these hypotheses in the planned surgical context.
Methods and analysis
Using a convergent mixed methods research design, we will collect data from at least 15 surgeons and their 150 patients (approximately equal number of black and white patients per surgeon). The data sources will include one surgeon survey, four patient surveys, video- and/or audio-recordings of preoperative consultations and medical chart reviews. The recorded preoperative consultations will be analysed both qualitatively and quantitatively to assess the magnitude and pattern of behavioural coordination between patients and surgeons. Those data will be linked to survey data and data from medical chart reviews to test our hypotheses.
Ethics and dissemination
Ethical approval has been obtained from the Virginia Commonwealth University Institutional Review Board (HM20023574). Findings will be disseminated through presentations at scientific conferences, publications in peer-reviewed journals and speaking engagements with clinician stakeholders. We will also share the main findings from this project with patients via a newsletter on completion of the entire project.
Introduction
Although many efforts have been made to reduce racial pain disparities over decades, the pain of black patients is still undertreated. Previous work has identified a host of patient and provider factors that contribute to racial disparities in healthcare in general, and consequently, may contribute to disparities in pain care in particular. That said, there has been limited clinically meaningful progress in eliminating these disparities. This lack of progress is likely because prior research has investigated the influence of patient and provider factors in isolation, rather than examining their interaction. Successful pain care requires constructive patient-provider communication, and constructive communication is both dyadic and dynamic. One well-accepted operationalisation of such dyadic processes is behavioural coordination. We hypothesise that the pain of black patients continues to be undertreated because black patients are more likely than white patients to participate in racially discordant medical interactions (ie, seeing other-race providers) and experience disruptions in behavioural coordination. We further hypothesise that disruptions in behavioural coordination will reflect patient and provider factors identified in prior research. We propose to test these hypotheses in the planned surgical context.
Methods and analysis
Using a convergent mixed methods research design, we will collect data from at least 15 surgeons and their 150 patients (approximately equal number of black and white patients per surgeon). The data sources will include one surgeon survey, four patient surveys, video- and/or audio-recordings of preoperative consultations and medical chart reviews. The recorded preoperative consultations will be analysed both qualitatively and quantitatively to assess the magnitude and pattern of behavioural coordination between patients and surgeons. Those data will be linked to survey data and data from medical chart reviews to test our hypotheses.
Ethics and dissemination
Ethical approval has been obtained from the Virginia Commonwealth University Institutional Review Board (HM20023574). Findings will be disseminated through presentations at scientific conferences, publications in peer-reviewed journals and speaking engagements with clinician stakeholders. We will also share the main findings from this project with patients via a newsletter on completion of the entire project.
Objectives
Early evaluation and treatment of patients with acute chest pain pose a massive challenge to the emergency care system worldwide. This study aims to determine the current burden and early management of acute chest pain presenting to the emergency departments (EDs) in China.
Design
The Evaluation and Management of Patients with Acute ChesT pain study is a prospective, multicentre and provincially representative registry of acute chest pain patients in Chinese EDs.
Setting
A stratified random sampling design generated the province representative sample of 21 public hospitals with independent EDs in Shandong, China. Each participating site consecutively enrolled patients for at least 12 months from August 2015 to September 2017.
Participants
A total of 8349 adult patients presenting with acute chest pain or suspected acute coronary syndrome (ACS) were included.
Primary outcome measures
The annual incidence of ED-assessed acute chest pain was estimated. The aetiology, process of care and 30-day major adverse cardiac events (MACE) of included patients were analysed.
Results
The estimated annual incidence of ED-assessed acute chest pain was 96.6 (95% CI 95.9 to 97.3) per 100 000 adults, significantly increasing with age. The mean age of included patients was 63.8 years, with 57.9% males. Prehospital delay was a median of 2.8 (IQR, 1.2–10.3) hours, with 17.9% transported by ambulance. About 75.6% of patients received their first ECG within 10 min. Cardiac troponin was tested in 54.2%, with high-sensitivity cardiac troponin in 24.5% and serial troponins in 5.1% during the ED stay. Most (74.0%) were admitted to the inpatient ward, with a median ED stay of 65.0 (IQR, 27.0–385.0) min. Within 30 days, 6.8% experienced MACE. Among included patients, 62.9% were diagnosed with ACS, with specific management varying by ST-segment elevation status.
Conclusions
China’s first regionally representative registry of acute chest pain revealed a lower incidence of ED-assessed cases but a higher proportion of high-risk patients compared with other countries. Gaps persist in aligning emergency management with guidelines. More programmes and policies are needed to enhance the quality of acute chest pain care in China.
Trial registration number
This study was registered at URL: https://www.clinicaltrials.gov (NCT02536677).
Objectives
Early evaluation and treatment of patients with acute chest pain pose a massive challenge to the emergency care system worldwide. This study aims to determine the current burden and early management of acute chest pain presenting to the emergency departments (EDs) in China.
Design
The Evaluation and Management of Patients with Acute ChesT pain study is a prospective, multicentre and provincially representative registry of acute chest pain patients in Chinese EDs.
Setting
A stratified random sampling design generated the province representative sample of 21 public hospitals with independent EDs in Shandong, China. Each participating site consecutively enrolled patients for at least 12 months from August 2015 to September 2017.
Participants
A total of 8349 adult patients presenting with acute chest pain or suspected acute coronary syndrome (ACS) were included.
Primary outcome measures
The annual incidence of ED-assessed acute chest pain was estimated. The aetiology, process of care and 30-day major adverse cardiac events (MACE) of included patients were analysed.
Results
The estimated annual incidence of ED-assessed acute chest pain was 96.6 (95% CI 95.9 to 97.3) per 100 000 adults, significantly increasing with age. The mean age of included patients was 63.8 years, with 57.9% males. Prehospital delay was a median of 2.8 (IQR, 1.2–10.3) hours, with 17.9% transported by ambulance. About 75.6% of patients received their first ECG within 10 min. Cardiac troponin was tested in 54.2%, with high-sensitivity cardiac troponin in 24.5% and serial troponins in 5.1% during the ED stay. Most (74.0%) were admitted to the inpatient ward, with a median ED stay of 65.0 (IQR, 27.0–385.0) min. Within 30 days, 6.8% experienced MACE. Among included patients, 62.9% were diagnosed with ACS, with specific management varying by ST-segment elevation status.
Conclusions
China’s first regionally representative registry of acute chest pain revealed a lower incidence of ED-assessed cases but a higher proportion of high-risk patients compared with other countries. Gaps persist in aligning emergency management with guidelines. More programmes and policies are needed to enhance the quality of acute chest pain care in China.
Trial registration number
This study was registered at URL: https://www.clinicaltrials.gov (NCT02536677).
Introduction
Placental dysfunction is estimated to affect 10% of pregnancies and is associated with adverse perinatal outcomes. Low-dose aspirin (LDA) reduces placental dysfunction risk. However, adherence to LDA is suboptimal in pregnant women and may reduce its effectiveness.
Objectives
We aimed to explore the barriers and facilitators to LDA adherence in pregnant women with placental dysfunction risk.
Design
Qualitative semi-structured individual interviews were undertaken, and data were inductively thematically analysed.
Setting
A single NHS Trust in South West England, UK.
Participants
Pregnant women aged >18, recommended daily LDA for pregnancy indications. We purposively recruited those with a range of adherence patterns (non-adherent, suboptimally adherent, adherent).
Results
15 women participated (93% white British, 73% university educated). Five were adherent (6–7 doses per week), five suboptimally adherent (4–5 doses per week) and five non-adherent (
Introduction
Low back pain (LBP) is a key source of medical costs and disability, impacting over 31 million Americans at any given time and resulting in US$100–US$200 billion per year in total healthcare costs. LBP is one of the leading causes of ambulatory care visits to US physicians; problematically, these visits often result in treatments such as opioids, surgery or advanced imaging that can lead to more harm than benefit. The American College of Physicians (ACP) Guideline for Low Back Pain recommends patients receive non-pharmacological interventions as a first-line treatment. Roadmaps exist for multidisciplinary collaborative care that include well-trained primary contact clinicians with specific expertise in the treatment of musculoskeletal conditions, such as physical therapists and doctors of chiropractic, as first-line providers for LBP. These clinicians, sometimes referred to as primary spine practitioners (PSPs) routinely employ many of the non-pharmacological approaches recommended by the ACP guideline, including spinal manipulation and exercise. Important foundational work has demonstrated that such care is feasible and safe, and results in improved physical function, less pain, fewer opioid prescriptions and reduced utilisation of healthcare services. However, this treatment approach for LBP has yet to be widely implemented or tested in a multisite clinical trial in real-world practice.
Methods and analysis
The Implementation of the American College of Physicians Guideline for Low Back Pain trial is a health system-embedded pragmatic cluster-randomised trial that will examine the effect of offering initial contact with a PSP compared with usual primary care for LBP. Twenty-six primary care clinics within three healthcare systems were randomised 1:1 to PSP intervention or usual primary care. Primary outcomes are pain interference and physical function using the Patient-Reported Outcomes Measurement Information System Short Forms collected via patient self-report among a planned sample of 1800 participants at baseline, 1, 3 (primary end point), 6 and 12 months. A subset of participants enrolled early in the trial will also receive a 24-month assessment. An economic analysis and analysis of healthcare utilisation will be conducted as well as an evaluation of the patient, provider and policy-level barriers and facilitators to implementing the PSP model using a mixed-methods process evaluation approach.
Ethics and dissemination
The study received ethics approval from Advarra, Duke University, Dartmouth Health and the University of Iowa Institutional Review Boards. Study data will be made available on completion, in compliance with National Institutes of Health data sharing policies.
Trial registration number
NCT05626049.
Introduction
Non-specific pain (NSP), defined as pain without a clear pathological cause, is a common presentation in the emergency department (ED). There is no universally accepted analgesic strategy, but non-steroidal anti-inflammatory drugs (NSAIDs) such as ibuprofen are often prescribed. However, the established efficacy of NSAIDs for NSP is limited. Additionally, NSAIDs are associated with an increased risk of upper gastrointestinal bleeding, acute kidney injury and cardiovascular events, such as myocardial infarction and stroke. There is increasing evidence supporting the analgesic effects of open-label placebo (OLP), defined as placebo administered to patients without deception, in a broad variety of settings. Accordingly, OLP could be a safer, effective analgesic treatment option for NSP. To our knowledge, this is the first study investigating the feasibility of OLP for NSP in the ED. Therefore, our primary objective is to assess whether OLP is a feasible treatment option in this setting.
Methods and analysis
Patients diagnosed with acute NSP will be prospectively recruited at discharge in the ED at the University Hospital of Basel, Switzerland. Patients treated with pain medication for >7 days prior to ED visit or with chronic pain will be excluded. Patients will be randomised to receive either OLP (intervention) or ibuprofen (control). Rescue medication will be ibuprofen in both groups. Daily online self-assessment will take place during the first 7 days after the baseline visit as well as on day 30. A qualitative interview will be conducted on day 30. The primary outcome is feasibility, consisting of acceptability, adherence to the protocol and patient satisfaction. Clinical outcomes will focus on pain intensity and interference according to the Brief Pain Inventory Short Form as well as adverse events.
Ethics and dissemination
The study protocol has received approval from the ethics committee for Northwestern and central Switzerland (EKNZ; project ID 2024-00089). The results will be disseminated in peer-reviewed journals and at scientific conferences.
Trial registration number
Swiss National Clinical Trials Portal (SNCTP000005852); Clinicaltrial.gov (NCT06408519).
Introduction
Women with disabilities in low- and middle-income countries (LMICs) face heightened risks of experiencing gender-based violence (GBV). The rapid growth of digital technologies has introduced new forms of violence, such as technology-facilitated gender-based violence (TFGBV), which disproportionately affects marginalised groups. Despite growing awareness, the intersection of disability, gender and TFGBV is under-researched. This scoping review aims to map and synthesise the evidence on TFGBV against women with disabilities in LMICs, exploring the manifestations of violence, its key vulnerabilities and protective factors within these settings.
Methods and analysis
This scoping review will be conducted in accordance with the Preferred Reporting Items for Systematic reviews and Meta-Analysis extension for Scoping Reviews guidelines. A systematic search of peer-reviewed and grey literature will be performed in six databases, including CINAHL, Scopus, Web of Science, Social Sciences Citation Index, PubMed and PsycINFO. Studies published from 2010 onwards, focusing on women with disabilities in LMICs and involving any form of TFGBV, will be included. The search strategy includes broad query terms to capture diverse experiences of TFGBV. The identified literature will be screened and double-checked for relevance by independent reviewers. Data extraction will focus on key themes such as study design, forms of TFGBV and the risks and protective factors reported. We will conduct basic content analysis, and results will be presented in tables and narratives, providing a descriptive map of the evidence.
Ethics and dissemination
This review will synthesise previously published studies and publicly available grey literature; therefore, ethical approval is not required. The findings will be disseminated through a peer-reviewed publication, presentations at relevant conferences and knowledge-sharing sessions with stakeholders working in the field of disability and GBV prevention. The review will inform future research and interventions aimed at addressing TFGBV in LMICs.
Trial registration details
Open Science Framework (https://doi.org/10.17605/OSF.IO/GZ2UR).
Objective
To determine if there is research waste in controlled trials of exercise therapies compared with usual care/no treatment for adults with chronic non-specific lower back pain.
Design and data sources
Secondary analysis of previously published systematic review (Cochrane review).
Eligibility criteria
Randomised controlled trials comparing exercise treatments for chronic low back pain to usual care/no treatment eligible for inclusion in the 2021 Cochrane review of exercise interventions for chronic low back pain.
Data extraction and synthesis
All data were taken from the 2021 Cochrane review of exercise therapy for chronic lower back pain and the UK BEAM trial. We did trial-sequential meta-analysis and cumulative meta-analyses, exploring changes in effect estimates over time and by trial size.
Results
Respective superiority boundaries for pain and disability were crossed in 2004 after four and five trials (n=358/415) were published. A further 43 trials with 2626 participants were included in the Cochrane review. In 2004, the mean effect sizes for pain and disability were –12.85 (95% CI –24.89 to –0.81) and –6.67 (95% CI –11.27 to 3.36), respectively; similar to those reported by Cochrane in 2021. Including small trials substantially affected effect size estimates. When the 33 and 36 trials, respectively, with fewer than 70 participants are excluded, the limits of the 95% CIs for effect size estimates exclude the clinically important differences ((pain; –8.8 (95% CI –11.38 to –5.63): disability –4.27 (95% CI –6.12 to –2.24).
Conclusions
It may be difficult to justify any further trials comparing exercise interventions to usual care/no treatment for chronic low back pain. The inclusion of small studies in meta-analyses has produced biased results in previous meta-analyses. Exercise treatments might not have a clinically important effect on people with chronic low back pain.
Stroke, Ahead of Print. BACKGROUND:Recent randomized trials demonstrated the beneficial effect of endovascular therapy in patients with low Alberta Stroke Program Early Computed Tomography Score. Despite large follow-up infarct volumes, a significantly increased rate of good functional outcomes was observed, challenging the role of infarct volume as a predictive imaging marker. This analysis evaluates the extent to which the effects of endovascular thrombectomy on functional outcomes are explained by (1) follow-up infarct volume and (2) early neurological status in patients with stroke with low Alberta Stroke Program Early Computed Tomography Score.METHODS:TENSION was a randomized trial conducted from February 2018 to January 2023 across 41 stroke centers. Two hundred fifty-three patients with ischemic stroke due to anterior circulation large vessel occlusion and Alberta Stroke Program Early Computed Tomography Score of 3 to 5 were randomized to endovascular thrombectomy plus medical treatment or medical treatment alone. All patients with the availability of relevant data points were included in this secondary as-treated analysis. The primary outcome was the 90-day modified Rankin Scale score. Confounder-adjusted mediation analysis was performed to quantify the proportion of the treatment effect on a 90-day modified Rankin Scale score explained by (1) 24-hour follow-up infarct volume and (2) 24-hour National Institutes of Health Stroke Scale scores.RESULTS:One hundred eighty-eight patients were included; thereof, 87 (46%) were females. Median age was 72 (interquartile range, 63–79) years. The endovascular thrombectomy cohort had a 20.5 (95% CI, 8.3–33.7) percentage points higher probability of achieving independent ambulation (modified Rankin Scale, 0–3) and a 24.2 (95% CI, 13.4–35.8) percentage points lower mortality at 90 days compared with medical treatment alone. The reduction in 24-hour follow-up infarct volume explained 30% of the treatment effect on functional outcomes, while the 24-hour National Institutes of Health Stroke Scale score explained 61%.CONCLUSIONS:In patients with low Alberta Stroke Program Early Computed Tomography Score, infarct volume demonstrated limited explanatory power for functional outcomes compared with the early neurological status, which may more effectively reflect factors such as the involvement of specific brain regions, disruption of structural networks, and selective neuronal loss.
Stroke, Ahead of Print. BACKGROUND:The optimal anesthetic approach for patients with acute ischemic stroke with large vessel occlusion but low National Institutes of Health Stroke Scale receiving mechanical thrombectomy remains unclear. We aimed to evaluate the association of anesthetic strategies with procedural and clinical outcomes, hypothesizing that conscious sedation/local anesthesia (CS/LA) may offer a more favorable risk-benefit ratio than general anesthesia (GA).METHODS:Multicenter cohort study screening all thrombectomy patients prospectively enrolled in GSR-ET (German Stroke Registry-Endovascular Treatment) across 25 centers between 2015 and 2021. Patients with an admission National Institutes of Health Stroke Scale score of
Objective
To explore the short-term and long-term lived experiences of patients with chronic pain and angina pectoris with spinal cord stimulation.
Design
An interpretive qualitative study with thematic analysis of one-off, semistructured interviews, following Braun and Clarke (2006).
Setting
A multidisciplinary, publicly funded pain service in Auckland, New Zealand. Patients usually undergo a comprehensive medical, psychological and functional assessment and an in-house pain management programme before proceeding to spinal cord stimulator implantation.
Participants
Participants implanted with a spinal cord stimulator between 1998 and 2019 who had their stimulator for ≥1 year, purposively sampled to increase the range of ethnicities.
Main outcome
The themes identified from the interviews.
Results
24 participants with chronic pain of varied aetiology and a median (range) of 5.2 (2.4–23.2) years since stimulator implantation participated. 22 participants had the device in situ, and 2 had been explanted. Five main themes were identified: (1) embodiment: stimulator and body as one; (2) technical factors: batteries and type of stimulation; (3) improved well-being; (4) social connection and (5) healthcare system interaction. Most participants reported pain relief, but many had experienced complications and discomfort. They emphasised the importance of ongoing support from the pain service. Acceptance of pain, coping and embodiment emerged as common motifs across these themes. 21 participants were satisfied with their treatment.
Conclusion
Within the context of a multidisciplinary pain clinic, despite some discomfort and various complications, most participants valued the ongoing reduction of pain achieved with spinal cord stimulation. Timely access to support from the pain service influenced their experience and satisfaction with their stimulators. Acceptance of pain and embodiment of the stimulator helped participants adapt to living with their stimulator, often over many years.
Objectives
This study aimed to investigate whether the Chinese diagnosis-related group (C-DRG) payment system would reduce low-value coronary revascularisation services among coronary heart disease (CHD) inpatients without affecting high-value coronary revascularisation services.
Design
Retrospective observational study.
Setting
Routinely collected claims data from a health insurance database including all inpatients in 22 public hospitals in Sanming, Southern China.
Participants
All patients with CHD are admitted to public hospitals from 1 January 2017 through 31 December 2020.
Intervention/exposure
The implementation of the C-DRG-based payment system on 1 January 2018.
Main outcome measures
Using a health insurance database, we identified two cohorts: beneficiaries for whom the value of coronary revascularisation is lower (those with ischaemic heart disease without acute myocardial infarction, unstable angina and congestive heart failure during hospitalisation) and beneficiaries for whom its value is higher (those with acute coronary syndrome). Then, the rates of low-value or high-value coronary revascularisation were compared before and after the implementation of C-DRG policy, including the use of an interrupted time series analysis.
Results
An interrupted time series analysis demonstrated that the C-DRG policy was associated with a statistically significant immediate decrease in the rate of low-value coronary revascularisation of –9.78% (95% CI: –11.08% to –8.48%). Further, after introducing C-DRG, the rate of low-value coronary revascularisation decreased by –0.59% (95% CI: –0.88% to –0.30%) every quarter compared with before C-DRG. In addition, after C-DRG, the rate of high-value coronary revascularisation increased by 1.27% (95% CI: 0.14% to 2.41%) every quarter compared with before C-DRG.
Conclusions
This study suggested that C-DRG policy achieved at least short-term success in reducing use of low-value coronary revascularisation without evidence of decreasing high-value coronary revascularisation services. These results can support policymakers in reducing low-value care in China and other countries that use similar systems.
Objectives
This study aimed to investigate the safety and effectiveness of opioid-free anaesthesia (OFA) versus conventional opioid anaesthesia (OA) for postoperative pain management and recovery in patients undergoing laparoscopic surgery.
Design
Systematic review and meta-analysis.
Data sources
The databases of PubMed, Embase, Cochrane Library and Web of Science were searched from inception to August 2023.
Eligibility criteria for selecting studies
We included any randomised controlled trial comparing OFA (at least two drugs or two more alternatives to opioids) with OA for laparoscopic surgery. The primary outcomes included postoperative pain scores, measured on a Numerical Rating Scale or Visual Analogue Scale ranging from 0 to 10, at 0–2 hours and 24 hours postoperatively; postoperative analgesic consumption, measured in morphine equivalent doses (mg); and quality of recovery, assessed using the QoR-40 score (ranging from 40 to 200). The secondary outcomes included the incidence of postoperative nausea and vomiting (PONV), antiemetic use, extubation time (measured in minutes), post-anaesthesia care unit discharge time (measured in minutes), shivering, bradycardia, hypotension and pruritus.
Data extraction and synthesis
Meta-analyses were performed using Stata16 software, using the DerSimonian and Laird’s method and inverse variance to summarise effect sizes for each outcome under a random effects model for all outcomes. Outcomes were reported as OR for binary outcome indicators and mean difference (MD) for continuous outcome indicators, with corresponding 95% CIs. I² coefficients were used to assess high, medium and low heterogeneity. RoB was used to assess the risk of bias of the included studies. GRADE assessed the certainty of the evidence using a systematic framework for rating the quality of evidence and strength of recommendations.
Results
Ultimately, 12 studies involving 983 patients undergoing laparoscopic surgery were included in this systematic evaluation and meta-analysis. The results of the meta-analysis showed an association of OFA with reduced early postoperative 0–2-hour pain response (MD –1.29; 95% CI –2.23 to –0.36; I²=92%; p
