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Effect of stay in a postpartum care institution on postpartum depression in women

Childbirth is a major life experience for women. From conception to arrival of the newborn, the physical and mental experience has a great impact and influence on mothers (Swanson et al., 2011), which may lead to emotional or mental disorders post partum (Dolatian et al., 2013; Roy-Byrne et al., 2016). Postpartum depression is a common problem in women (Motzfeldt et al., 2013). In the 6 weeks after birth, serious intentions or behaviours that can harm the mother or baby may have adverse effects on child growth and development (O'Hara and McCabe, 2013; Bennett et al., 2016).

Rehabilitation effects of game therapy in people living with dementia: A systematic review and meta‐analysis

Abstract

Background

As a devastating neurodegenerative disease, Alzheimer's disease (AD) imposes a considerable direct and indirect financial burden. However, effective drug treatment options are limited. In recent years, game therapy has become a research hotspot in this field.

Aims

The purpose of this study was to synthesize the conclusions of existing studies and integrate the data to evaluate the effects of game therapy on people living with dementia (PLWD).

Methods

We included randomized clinical trials and quasi-experimental studies which assessed the impacts of game therapy on PLWD and took cognitive function, quality of life, and depression as outcome indicators. Two trained researchers independently screened the studies, evaluated the quality, and extracted the data. Statistical analysis was performed by Review Manager (Revman) 5.3 and STATA16.0 software.

Results

There were 12 studies involving 877 PLWD included, total. The results of the meta-analysis demonstrated that the Mini-Mental State Examination (MMSE) scores of the test group were significantly higher than that of the control group (SMD = 2.69, 95% CI [1.88, 3.51], p < .01), and the Cornell Scale for Depression in Dementia scores of the test group were significantly lower than those of the control group (SMD = −4.28, 95% CI [−6.96, −1.60], p < .01); but in terms of quality of life (SMD = 0.17, 95% CI [−0.82, 1.16], p = .74), the difference was not statistically significant.

Linking Evidence to Action

Game therapy can improve cognitive function and depression in PLWD. The combination of different types of games can improve the different clinical symptoms of PLWD, and different intervention time also have different effects on the outcome, which shows that we can develop unique, systematic, safe, and scientific game intervention programs for PLWD to improve their cognitive function and depression.

Interindividual Variability in Self-Monitoring of Blood Pressure Using Consumer-Purchased Wireless Devices

imageBackground Engagement with self-monitoring of blood pressure (BP) declines, on average, over time but may vary substantially by individual. Objectives We aimed to describe different 1-year patterns (groups) of self-monitoring of BP behaviors, identify predictors of those groups, and examine the association of self-monitoring of BP groups with BP levels over time. Methods We analyzed device-recorded BP measurements collected by the Health eHeart Study—an ongoing prospective eCohort study—from participants with a wireless consumer-purchased device that transmitted date- and time-stamped BP data to the study through a full 12 months of observation starting from the first day they used the device. Participants received no instruction on device use. We applied clustering analysis to identify 1-year self-monitoring, of BP patterns. Results Participants had a mean age of 52 years and were male and White. Using clustering algorithms, we found that a model with three groups fit the data well: persistent daily use (9.1% of participants), persistent weekly use (21.2%), and sporadic use only (69.7%). Persistent daily use was more common among older participants who had higher Week 1 self-monitoring of BP frequency and was associated with lower BP levels than the persistent weekly use or sporadic use groups throughout the year. Conclusion We identified three distinct self-monitoring of BP groups, with nearly 10% sustaining a daily use pattern associated with lower BP levels.

Effectiveness of single‐lead ECG devices for detecting atrial fibrillation: An overview of systematic reviews

Abstract

Background

Individuals with atrial fibrillation (AF) are at an increased risk for stroke. Early detection of undiagnosed AF by screening is recommended. Single-lead electrocardiogram (ECG) is the most widely used technology in AF detection. Several systematic reviews on the diagnostic accuracy of single-lead ECG devices for AF detection have been performed but have yielded inconclusive results.

Aims

The aim of this study was to synthesize the available evidence on the effectiveness of single-lead ECG devices in detecting AF.

Methods

An overview of systematic reviews was conducted. Five English databases (Cochrane Database of Systematic Reviews, PubMed, Embase, Ovid, and Web of Science) and two Chinese databases (Wanfang and CNKI) were searched from inception to July 31, 2021. Systematic reviews that examined the accuracy of tools based on single-lead ECG technology for detecting AF were included. A narrative data synthesis was performed.

Results

Eight systematic reviews were finally included. Systematic reviews with meta-analysis showed that single-lead ECG-based devices had good sensitivity and specificity (both ≥90%) in detecting AF. According to subgroup analysis, the sensitivities of tools used in populations with a history of AF were all >90%. However, among handheld and thoracic placed single-lead ECG devices, large variations in diagnostic performance were observed.

Linking evidence to action

Single-lead ECG devices can potentially be used for AF detection. Due to the heterogeneity in the study population and tools, future studies are warranted to explore the suitable circumstances in which each tool could be applied for AF screening in an effective and cost-effective manner.

Perceptions of primary health care nurses and general practitioners in the care of older people with urinary incontinence

Abstract

Aims

To identify the challenges and opportunities among primary health care nurses and general practitioners (GPs) in the care of older people with urinary incontinence (UI) and other chronic conditions in China.

Background

UI is highly prevalent among community-dwelling older people with chronic conditions but is underreported and poorly managed. Understanding the factors that affect primary health care professionals' practices in their care for this population is imperative to foster nurse-led UI care services.

Design

A qualitative descriptive study.

Methods

Four focus groups were held with 24 primary health care nurses and GPs in Changsha, Hunan Province, China, between July and September 2021. A reflective thematic analysis was used to identify themes.

Results

This study revealed misconceptions regarding older people living with UI and other chronic conditions in primary care health professional participants. Moreover, primary health care nurses had very limited autonomy in UI diagnosis and initiating care interventions for this patient population. By reflecting on practices, participants recognized various practical solutions to improve the detection and management of UI. Participants also identified barriers to accessing care services in older people with UI. They suggested changes in the health care system to achieve universal access to UI care services for older people.

Conclusion

Nurse-led UI care services in primary health care for community-dwelling older people with chronic conditions are in high demand but are underdeveloped due to professional and health care system factors.

Impact

Findings from this study provide new insights into challenges faced by primary health care professionals and illuminate practical solutions to address these challenges.

Reporting Methods

Adherence to COREQ guidelines was maintained.

Patient or Public Contribution

No patient or public contribution.

Effect of closed incision negative pressure wound treatment in vascular surgery: A meta‐analysis

Abstract

The meta-analysis aimed to assess and compare the effect of closed-incision negative pressure wound (NPW) treatment in vascular surgery. Using dichotomous or contentious random or fixed effect models, the outcomes of this meta-analysis were examined, and the odds Ratio (OR) and the mean difference (MD) with 95% confidence intervals (CIs) were computed. Ten examinations from 2017 to 2022 were enrolled for the present meta-analysis, including 2082 personals with vascular surgery. Closed-incision NPW treatment had significantly lower infection rates (OR, 0.39; 95% CI, 0.30–0.51, p < 0.001), grade I infection rates (OR, 0.33; 95% CI, 0.20–0.52, p < 0.001), grade II infection rates (OR, 0.39; 95% CI, 0.21–0.71, p = 0.002), and grade III infection rates (OR, 0.31; 95% CI, 0.13–0.73, p = 0.007), and surgical re-intervention (OR, 0.49; 95% CI, 0.25–0.97, p = 0.04) compared to control in personal with vascular surgery. However, no significant differences were found between closed-incision NPW treatment and control in the 30-day mortality (OR, 0.54; 95% CI, 0.29–1.00, p = 0.05), antibiotic treatment (OR, 0.53; 95% CI, 0.24–1.19, p = 0.12), and length of hospital stay (MD, −0.02; 95% CI, −0.24-0.19, p = 0.83) in personnel with vascular surgery. The examined data revealed that closed-incision NPW treatment had significantly lower infection rates, grade I infection rates, grade II infection rates, and grade III infection rates, surgical re-intervention, however, there were no significant differences in 30-day mortality, antibiotic treatment, or length of hospital stay compared to control group with vascular surgery. Yet, attention should be paid to its values since some comparisons had a low number of selected studies.

Impact of type 2 diabetes on surgical site infections and prognosis post orthopaedic surgery: A systematic review and meta‐analysis

Abstract

Background

The escalating prevalence of type 2 diabetes raises concerns about adverse postoperative outcomes like surgical site infections (SSIs) and deep vein thrombosis (DVT) in orthopaedic surgeries. This meta-analysis aims to resolve inconclusive evidence by systematically quantifying the risks in type 2 diabetic patients compared to non-diabetic individuals.

Methods

The meta-analysis was conducted adhering to the PRISMA guidelines and based on the PICO framework. Four primary databases were searched: PubMed, Embase, Web of Science and the Cochrane Library, with no temporal restrictions. Studies included were either prospective or retrospective cohort studies published in English or Chinese, which assessed orthopaedic surgical outcomes among adult type 2 diabetic and non-diabetic patients. The meta-analysis employed the Newcastle–Ottawa Scale for quality assessment and used both fixed-effect and random-effects models for statistical analysis based on the level of heterogeneity.

Results

Out of 951 identified articles, nine studies met the inclusion criteria. The odds ratio (OR) for developing postoperative SSIs among diabetic patients was 1.63 (95% CI: 1.19–2.22), indicating a significantly elevated risk compared to non-diabetic subjects. Conversely, no statistically significant difference in the risk of postoperative DVT was found between the two groups (OR: 0.82; 95% CI: 0.55–1.22). Sensitivity analysis confirmed the stability of these outcomes.

Conclusions

Patients with type 2 diabetes are at a higher risk of developing SSIs post orthopaedic surgery compared to non-diabetic individuals. However, both groups demonstrated comparable risks for developing postoperative DVT.

Quercetin and its derivatives for wound healing in rats/mice: Evidence from animal studies and insight into molecular mechanisms

Abstract

Aimed to clarify the effect of quercetin and its derivatives on wound healing in animal experiments. PubMed, Embase, Science Direct, Web of Science, SinoMed, Vip Journal Integration Platform, China National Knowledge Infrastructure and WanFang databases were searched for animal experiments investigating the effect of quercetin and its derivatives on wound healing to April 2023. The Review Manager 5.4 software was used to conduct meta-analysis. Eighteen studies were enrolled in this article. According to the SYRCLE's RoB tool assessment, these studies exposed relatively low methodological quality. It was shown that animals with cutaneous wound receiving quercetin had faster wound healing in wound closure (%) than the control group. Moreover, the difference in efficacy gradually emerged after third day (WMD = 7.13 [5.52, 8.74]), with a peak reached on the tenth day after wounding (WMD = 19.78 [17.82, 21.74]). Subgroup analysis revealed that quercetin for wound closure (%) was independent of the types of rats and mice, wound area and with or without diabetes. Clear conclusion was also shown regarding the external application of quercetin for wound healing (WMD = 17.77 [11.11, 24.43]). A significant reduction in the distribution of inflammatory cells occurred in the quercetin group. Quercetin could increase blood vessel density (WMD = 1.85 [0.68, −3.02]), fibroblast distribution and collagen fraction. Biochemical indicators, including IL-1β, IL-10, TNF-α, TGF-β, vascular endothelial growth factor (VEGF), hydroxyproline and alpha-smooth muscle actin (α-SMA), had the consistent results. Quercetin and its derivatives could promote the recovery of cutaneous wound in animals, through inhibiting inflammatory response and accelerating angiogenesis, proliferation of fibroblast and collagen deposition.

Effectiveness of nursing intervention in the operating room to prevent pressure ulcer and wound infection in patients undergoing intertrochanteric fracture: A meta‐analysis

Abstract

In this study, a meta-analysis was conducted to comprehensively assess the effectiveness of nursing intervention in the operating room to prevent pressure ulcers and wound infections in patients with intertrochanteric fractures. A computerised search of PubMed, Cochrane Library, Embase, China National Knowledge Infrastructure (CNKI), VIP Database of Chinese Technical Periodicals, and Wanfang databases was performed to identify randomised controlled studies (RCTs) on the effectiveness of nursing intervention in the operating room for patients undergoing intertrochanteric fractures from the time of construction of the respective databases to June 2023. Two researchers independently searched and screened the literature, extracted information and performed quality assessments of the included literature. The meta-analysis was performed using RevMan 5.4 software. Eighteen studies were finally included, including 1517 patients, with 757 in the intervention group and 760 in the control group. The results showed that nursing intervention in the operating room significantly reduced the incidence of postoperative pressure ulcers in patients with intertrochanteric femoral fractures compared to the control group (1.69% vs. 6.01%, odds ratio [OR]: 0.32, 95% confidence interval [CI]: 0.18–0.57, p < 0.001) and reduced the incidence of surgical site wound infection (1.00% vs. 6.15%, OR: 0.23, 95% CI: 0.11–0.50, p < 0.001). Current evidence suggests that nursing intervention in the operating room is superior to routine care in reducing the incidence of pressure ulcers and wound infections in patients with intertrochanteric fractures and that such interventions should be promoted for clinical use.

Effect of robotic versus laparoscopic surgery on postoperative wound infection in patients with cervical cancer: A meta‐analysis

Abstract

The objective of this research is to evaluate the risk of postoperative infection and other risks associated with robotic radical hysterectomy (RRH) compared with laparoscopic radical hysterectomy (LRH). Recent studies on RRH versus LRH have not been conclusive for cervical carcinoma. Our group attempted to use meta-analyses to evaluate the effects of both RRH and LRH on postoperative outcomes in order to make sure that the best operative method was used to prevent wound infections. We looked up Cochrane Library and published databases for this research and found 594 findings. Articles were screened by title and abstract and then carefully examined for inclusion and exclusion criteria. Data extraction was performed independently by two researchers. Comparison studies were used to describe the incidence of wound complications after surgery. The publication bias was assessed using Egger regression correlation analysis. There were six trials eligible for inclusion, of which 491 RRH and 807 LRH. Depending on surgery for cervical carcinoma, it is true that there is a difference in the way that surgery affects the postoperative complications. Our analysis demonstrated that the use of robotic operation can decrease the amount of blood loss during operation as compared with routine laparoscopy (MD, −77.69; 95% CI, −132.08, −23.30; p = 0.005). However, there were no statistical differences in the incidence of postoperative wound infections (OR, 0.54; 95% CI, 0.25, 1.19; p = 0.13) and intraoperative operative time (MD, 13.01; 95% CI, −41.38, 67.41; p = 0.64) among the two procedures. There was no statistically significant difference between these two groups of patients with severe postoperative complications. Unlike other research, the findings of this meta-analysis are not consistent with the findings of the present study, which suggest that robotic operations cannot lower the rate of postoperative wound infections. However, because of the limitations and the retrospective character of the trials covered, these findings should be interpreted with care and more extensive research is required.

Comparison of the incidence of wound complications with preoperative and postoperative radiotherapy in patients with extremity soft tissue sarcoma resection: A meta‐analysis

Abstract

We performed a meta-analysis to compare the effect of preoperative and postoperative radiotherapy on wound complications after resection of extremity soft tissue sarcoma (ESTS). A comprehensive computerised search of the PubMed, Cochrane Library, Web of Science, EMBASE, China National Knowledge Infrastructure (CNKI), VIP, and Wanfang databases was conducted from their inception to August 2023 to identify studies comparing the effect of preoperative and postoperative radiotherapy on wound complications after ESTS resection. Two investigators independently screened the literature, extracted the data, and assessed the quality of the articles. The meta-analysis was performed using RevMan 5.4 software. Nine studies with 1271 patients were included, with 631 and 640 patients in the preoperative and postoperative radiotherapy groups, respectively. The results showed that the incidence of postoperative wound complications after ESTS resection was significantly higher with preoperative radiotherapy than with postoperative radiotherapy (27.26% vs. 12.03%, odds ratio [OR]: 2.88, 95% confidence interval [CI]: 2.12–3.91, p < 0.001). However, the rate of local recurrence of ESTS was significantly lower with preoperative radiotherapy than with postoperative radiotherapy (8.75% vs. 14.81%, OR: 0.57, 95% CI: 0.36–0.91, p = 0.02), and the 3-year overall survival was significantly higher in the preoperative radiotherapy group than in the postoperative radiotherapy group (82.24% vs. 70.04%, OR: 1.97, 95% CI: 1.05–3.71, p = 0.03). This pooled analysis suggests that although preoperative radiotherapy increases the rate of wound complications in ESTS compared with postoperative radiotherapy, it significantly reduces the rate of local recurrence after ESTS resection and improves the overall survival of patients. Owing to the limitations in the number and quality of the included studies, additional prospective cohort studies or randomised controlled trials are required to confirm these findings.

Incidence and risk factors of surgical site infection following cervical laminoplasty: A retrospective clinical study

Abstract

There are many debates regarding the risk factors of surgical site infection (SSI) following posterior cervical surgery in previous studies. And, till now there is no such a study to examine cervical laminoplasty surgery. From January 2011 through October 2021, a total of 405 patients who were treated with unilateral open-door laminoplasty surgeries were enrolled in this study. We divided the patients into the SSI group and the non-SSI group and compared their patient-specific and procedure-specific factors. Univariate and multiple logistic regression analysis were performed to determine the risk factors. Of the 405 patients, 20 patients had SSI. The rate of SSI found to be 4.93%. There were significant differences between groups in the thicker subcutaneous fat thickness (FT) (p < 0.001), the higher ratio of subcutaneous FT to muscle thickness (MT) (p < 0.001), the higher preoperative Japanese Orthopaedic Association (JOA) Scores (p < 0.003), the decreased preoperative serum albumin (p < 0.001), the more postoperative drainage (p < 0.05) and the longer time of draining (p < 0.001). Logistic regression analysis of these differences showed that the higher ratio of subcutaneous FT/MT, the higher preoperative JOA scores, the decreased preoperative serum albumin and the longer time of draining were significantly related to SSI (p < 0.05). The higher ratio of subcutaneous FT/MT, the higher preoperative JOA scores, the decreased preoperative serum albumin and the longer time of draining are identified as the independent risk factors of SSI in cervical laminoplasty. Identification of these risk factors could be useful in reducing the SSI incidence and patients counselling.

A behavioural driving model of adherence to home‐based cardiac rehabilitation exercise among patients with chronic heart failure: A mixed‐methods study

Abstract

Aims and Objectives

To develop and validate a behavioural driving model for adherence to home-based cardiac rehabilitation exercise in patients with chronic heart failure, and to explain the potential driving mechanism of social support on exercise adherence.

Background

Despite the benefits of home-based cardiac rehabilitation exercise, adherence among patients with chronic heart failure remains suboptimal. Several factors contributing to adherence have been confirmed; however, the specific pathway mechanisms by which these factors impact exercise adherence have not been thoroughly explored.

Design

An exploratory sequential mixed-methods study was conducted in this study.

Methods

A total of 226 patients with chronic heart failure were recruited using convenience sampling. Quantitative data were collected using a series of self-report questionnaires. Hierarchical regression analysis was performed to verify multiple pathways. Subsequently, 12 patients with chronic heart failure were drawn from the quantitative stage. The interview data were thematically analysed. This study followed the Good Reporting of a Mixed Methods Study (GRAMMS) guidelines (Appendix S1).

Results

Perceived social support had a direct positive predictive effect on exercise adherence. Importantly, exercise self-efficacy and exercise fear played a chain-mediating role between perceived social support and exercise adherence. As a result of the qualitative phase, scale, tightness and homogeneity of social support networks emerged as potential drivers of the effectiveness of social support on exercise adherence.

Conclusions

This study reveals a potential pathway mechanism for social support to improve adherence to home-based cardiac rehabilitation exercises. Social support network plays a crucial role in the effect of social support on exercise adherence.

Relevance to Clinical Practice

To enhance exercise adherence in home-based cardiac rehabilitation for patients with chronic heart failure, establishing a social support network is recommended. This strategy has the potential to promote exercise self-efficacy and alleviate exercise fear.

Patient or Public Contribution

None.

Smellscape as a healing factor in institutional gardens to enhance health and well‐being for older people with dementia: A scoping review

Abstract

Background

There is mounting evidence for the health benefits of aromatic scents for the older people with dementia. However, existing research has focused on indoor aromatherapy using essential oils. It is necessary to explore the health benefits of smellscapes in the outdoor environment for older people with dementia.

Aims and Objectives

This scoping review aims to examine existing evidence for smellscape as a healing factor in institutional garden for older people with dementia, try to bridge the knowledge gaps between outdoor sensory garden scents and aromatherapy to develop green care techniques that incorporate outdoor activities.

Methods

Seven databases (Scopus, PubMed, PsycINFO, CINAHL, MEDLINE, Embase and Web of Science) were searched with English language articles published between 1990 and 2022. The PRISMA-ScR Checklist was used.

Results

Out of 1013 articles, 11 meet the inclusion criteria. The comprehensive health outcomes include five aspects: mental health; physical health; reduced agitation behaviour; improved cognitive function; and well-being. These aspects are part of the rehabilitation model comprising the person (older people with dementia), environment (garden smellscapes) and outdoor activities (active or passive interventions or a combination).

Conclusions

The smellscape, as a healing factor in the garden, not only benefits from evidence on indoor aromatherapy but also creates a sensory environment for older people with dementia by compensating for functional impairment, activity support and environmental creation, thereby promoting enhanced health and well-being.

Relevance to Clinical Practice

The research on the healing effects of smellscapes presented in this review offers a novel environmental intervention technique for transferring evidence on essential oils to outdoor sensory gardens. This green care technique is suggested to assist in the creation of healing environments and interventions for people with dementia who cannot be cured.

No Patient or Public Contribution

This scoping review did not directly involve patient or public contributions to the manuscript.

Systematic Review and Meta-Analysis of Effects of Nurse-Led Intervention for People With Dementia

imageBackground Nurses’ primary role in clinical settings for persons living with dementia is to lessen the strain of dementia on daily life, monitor comorbidities, and manage medications. However, no comprehensive literature review has investigated the effectiveness of nurse-led interventions for persons living with dementia. Objective The purpose of this study was to evaluate randomized controlled trials on the efficacy of nurse-led dementia interventions and provide an extended range of outcomes related to cognitive function, depression, and quality of life. Methods A comprehensive literature search of six databases was conducted from database inception to August 10, 2022. Methodologies were evaluated, followed by a pooled analysis using random effects models to explain the effects of nurse-led dementia interventions on patients. Results Nurse-led interventions were more effective than standard care in alleviating depression and improving quality of life. However, they did not enhance cognitive performance. Discussion Nurse-led interventions for dementia alleviate depression and improve quality of life. However, because of lack of randomized controlled trials, the analysis found less effectiveness in improving cognitive function. Therefore, further trials are needed to corroborate these findings.

Fear of recurrence in postoperative lung cancer patients: Trajectories, influencing factors and impacts on quality of life

Abstract

Aims

To investigate the trajectory, influencing factors and dynamic relationships between fear of cancer recurrence (FCR) and quality of life (QOL) in lung cancer patients.

Design

Prospective longitudinal study.

Methods

Longitudinal data from 310 lung cancer patients across three hospitals in China were assessed at 1, 3, 6 and 12 months postoperatively (T1–T4). Descriptive statistics characterised patient demographics, clinical characteristics, levels of FCR and QOL. A linear mixed-effects model was employed to analyse FCR trajectories, identify influencing factors on these trajectories, and predict the impact of FCR on QOL.

Results

FCR changed significantly over time, with a slight decrease during T1–T2, an increase at T3 and gradual decline at T4. Higher fear levels were associated with female sex, suburban or rural residency, being a family breadwinner, presence of comorbidities and negative coping behaviours, and low family resilience. QOL negatively correlated with FCR, and FCR predicted lower QOL.

Conclusions

At 3 and 6 months postoperatively, lung cancer patients, especially women, suburban or rural residents, family breadwinners, those with comorbidities, negative coping behaviours and low family resilience, reported high levels of FCR. Healthcare providers should pay special attention to lung cancer patients especially during the period of 3–6 months post-surgery and offer tailored interventions to improve their QOL.

Implications for the Profession and Patient Care

Understanding the FCR trajectories, its influencing factors and its negative impacts on QOL can guide the development of targeted interventions to reduce fear and enhance well-being in patients with cancer.

Impact

Identifying the trajectories and influencing factors of fear of lung cancer recurrence in patients at different time points informs future research on targeted interventions to improve QOL.

Reporting Method

The study adhered to the guidelines outlined in the Statement on Reporting Observational Longitudinal Research.

Utility of peripheral blood macrophage factor Apo10 and TKTL1 as markers in distinguishing malignant from benign lung nodules: a protocol for a prospective cohort study in Southern China

Por: Xie · C. · Huang · Q. · Liu · Y.
Introduction

Lung nodules are one of the most prevalent diseases. Medical imaging methods have a high false positive rate for distinguishing malignant nodules from benign nodules. Therefore, developing new technologies with high accuracy for screening malignant nodules is of great importance for lung nodule surveillance. Use of flow cytometry to detect biomarkers in blood macrophages (epitop detect in macrophages/macrophages) has opened a new era for early and noninvasive diagnosis of cancer. This planned study aims to examine whether the peripheral blood macrophage factors Apo10 and TKTL1 accurately distinguish malignant nodules from benign nodules.

Methods and analyses

We plan to enrol in this study 3825 participants with lung nodules who will attend their annual physical examination at Sun Yat-sen University Cancer Center. Apo10 and TKTL1 levels in all patients will be tested at 60 min after their last meal every 6 months during their 3-year follow-up. Biopsy or surgical pathology results will be collected as the gold standard to assess the accuracy of Apo10 and TKTL1 in distinguishing malignant nodules from benign nodules. The sensitivity, specificity, positive predictive value, negative predictive value and area under the receiving operating characteristic curve will also be evaluated.

Ethics and dissemination

The study is approved by the medical ethics committee of Sun Yat-sen University (SL-G2022-005-02). The results of this study will be disseminated in peer-reviewed publications and presentations at international scientific meetings and will also be disseminated to the participants.

Trial registration number

ChiCTR2300073823; Pre-results.

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