scholarly journals Risk factors associated with echinococcosis in Chinese general population: a meta-analysis and systematic review

Author(s):  
tiantian zhang ◽  
Bin Li ◽  
Yuying Liu ◽  
Shou Liu

Abstract Background Echinococcosis is a severe zoonotic disease that imposes a substantial burden on human life. Numerous studies on echinococcosis have involved a variety of risk factors, and it is difficult to evaluate the key risk factors. The objectives of this meta-analysis are to summarize available data on the prevalence of human echinococcosis and identify the key risk factors for echinococcosis. Methods Relevant studies were comprehensively searched in the PubMed, EMBASE, Web of Science, Cochrane, Chinese National Knowledge Infrastructure (CNKI), Chongqing VIP Information (VIP), Wanfang and SinoMed databases from database inception until August 22, 2020. A random-effects model was used to estimate the pooled odds ratio (OR) and 95% confidence interval (CI) by integrating the OR values of each risk factor. The I2 and Q statistics were calculated to evaluate the heterogeneity, and potential sources of heterogeneity were identified using sensitivity analysis and subgroup analysis. Publication bias was estimated by funnel plots and Egger’s test. Results A total of 1026 studies were identified through the database search, of which 26 were eligible for this meta-analysis. In total, 23 and 9 of the 26 studies were cystic echinococcosis (CE) and alveolar echinococcosis (AE) studies, respectively (6 papers included both AE and CE). The pooled prevalence of echinococcosis was 5.52% (95% CI: 5.47%-5.58%). Ethnicity (OR = 2.93, 95% CI: 1.81–4.75; I2 = 0), being a herder (OR = 2.66, 95%CI95% CI: 2.25–3.14; I2 = 8%), not washing hands before meals (OR = 2.40, 95% CI: 1.34–4.28; I2 = 82.8%) and being female (OR = 1.45, 95% CI: 1.26–1.66; I2 = 33.9%) were risk factors for AE. The top five risk factors for CE were ethnicity (OR = 3.18, 95% CI: 1.55–6.52; I2 = 79.2%), nomadism (OR = 2.71, 95% CI: 1.65–4.47; I2 = 55.8%), drinking nonboiled water (OR = 2.47, 95% CI: 1.36–4.47; I2 = 85.7), feeding viscera to dogs (OR = 2.35, 95% CI: 1.89–2.91; I2 = 21.5%), and being a herder (OR = 2.19, 95% CI: 1.67–2.86; I2 = 85.1%). The study design-specific subgroup analysis showed that the heterogeneity of CE risk factors decreased to varying degrees. Conclusions Specific characteristics (i.e., ethnicity and herder status) and behaviors (i.e., not washing hands before meals and feeding viscera to dogs ) are possible risk factors for echinococcosis. This study provided remarkable insight for future prevention and control of echinococcosis.

2017 ◽  
Vol 28 (03) ◽  
pp. 290-299 ◽  
Author(s):  
M. Dong ◽  
S. B. Wang ◽  
F. Wang ◽  
L. Zhang ◽  
G. S. Ungvari ◽  
...  

Aims.Suicide-related behaviours are common in schizophrenia and are significantly associated with premature death. The objective of this meta-analysis study was to estimate the pooled prevalence of suicide-related behaviours in schizophrenia patients in China.Methods.The relevant literature was searched systematically via the relevant electronic databases (PubMed, Embase, PsycINFO, Chinese National Knowledge Infrastructure, Wanfang Databases and Chinese Biological Medical Literature Database) from their inception until 14 September 2016. Only original studies that reported the prevalence of suicide-related behaviours including suicidal ideation (SI), suicide plan, suicide attempt (SA) and completed suicide were selected.Results.Nineteen articles met the inclusion criteria and were analysed. The pooled lifetime prevalence of SI and SA were 25.8% (95% CI 14.7–41.1%) and 14.6% (95% CI 9.1–22.8%), respectively. The 1-month prevalence of SI was 22.0% (95% CI 18.2–26.4%). Subgroup analyses of lifetime SI and SA showed that gender, sample size, survey year, study location and source of patients have no significant mediating effects on the results.Conclusions.Suicide-related behaviours are common in Chinese schizophrenia patients. Due to the high mortality risk, regular screening and effective suicide prevention programmes are warranted.


2009 ◽  
Vol 27 (15_suppl) ◽  
pp. e22171-e22171
Author(s):  
B. Zhu ◽  
W. Zhuo ◽  
Z. Chen

e22171 Background: Previously, TP53 codon 72 polymorphisms have been implicated as risk factors for various cancers. Several studies have conducted on the association of TP53 codon 72 polymorphisms with susceptibility to breast carcinoma and have yielded inconclusive results. The aim of the present study was to assess possible associations of breast cancer risk with TP53 codon 72 polymorphisms. Methods: We conducted a search in the Medline, EMBASE, OVID, Sciencedirect, and Chinese National Knowledge Infrastructure (CNKI) without a language limitation, covering all papers published up to Dec 2008. The associated literature was acquired through deliberate searching and selected based on the established inclusion criteria for publications. Results: Consequently, fifteen studies, including 3436 cases and 4394 controls, met the included criteria and thus were selected. Ultimately, the relevant data were extracted and further analyzed using systematic meta- analyses. The results showed that individuals carrying homozygote Arg/Arg genotype have a significant increased risk of breast cancer compared with those carrying Pro/Pro genotype (OR: 1.58, 95%CI:1.10–2.28). For Arg allele, no evidence indicated that individuals with Arg/Arg genotype have an increased risk of breast cancer compared with those with a combined Pro genotype (Arg/Pro+Pro/Pro) (OR: 1.68, 95%CI:1.24–2.29). For Pro allele, individuals with homozygote Pro/Pro genotype have a marked decreased susceptibility to breast cancer relative to those with a combined Arg genotype (Arg/Pro+Arg/Arg) (OR: 0.84, 95%CI:0.73–0.98). Conclusions: The results of the present study suggest that TP53 codon 72 polymorphisms might be a risk factor for breast cancer. Homozygote Arg allele genotype could significantly increase susceptibility to breast cancer, while Pro/Pro allele markedly decreases breast risk. No significant financial relationships to disclose.


2017 ◽  
Vol 2017 ◽  
pp. 1-12 ◽  
Author(s):  
Xing-Chen Yang ◽  
Masayuki Fujino ◽  
Song-Jie Cai ◽  
Shao-Wei Li ◽  
Chi Liu ◽  
...  

Background and Aim. The connection between gene polymorphisms of cytotoxic T-lymphocyte-associated protein 4 (CTLA4) and primary biliary cholangitis (PBC) is still vague and blurred. The purpose of this study is to precisely estimate the association of the polymorphisms of CTLA4 with the risk of PBC by using a meta-analysis. Methods. PubMed and the Chinese National Knowledge Infrastructure (CNKI) database were used to search correlative literatures, and the documents which were about the relationships between the polymorphisms of CTLA4 (rs231775, rs231725, rs3087243, and rs5742909) and PBC were collected as of June 2016. The strength of correlation based on odds ratios (ORs) and its 95% confidence intervals (95%CIs) was computed by STATA. Results. Generally, in rs231775, a significant risk was found in G allele, the value of OR was 1.32, and its 95%CI was 1.19 to 1.47. The same situation was found in A allele of rs231725, the value of OR was 1.33, and its 95%CI was 1.22 to 1.45. As genotypic level, different genotypic models were also found to have obvious relevance with PBC in rs231775 and rs231725. No obvious connections were found in other SNPs. Conclusion. This study indicated that the polymorphisms of rs231775 and rs231725 would be the risk factors of PBC.


2021 ◽  
Vol 12 ◽  
Author(s):  
Lei Xia ◽  
Changhao Chen ◽  
Zhiqiang Liu ◽  
Xiangfen Luo ◽  
Chunyan Guo ◽  
...  

Objectives: Healthcare workers (HWs) experienced high levels of work stress during the COVID-19 pandemic, leading to a high risk of sleep disturbances. This meta-analysis aimed to explore the prevalence of sleep disturbances and sleep quality in Chinese HWs during the COVID-19 pandemic.Methods: English (PubMed, EMBASE, PsycINFO, Web of Science, and the Cochrane Library) and Chinese databases (WanFang, Chinese National Knowledge Infrastructure, and SinoMed) were systematically and independently searched for relevant studies published from December 1, 2019, to May 20, 2020. The pooled prevalence of sleep disturbances and sleep quality were calculated using a random-effects model.Results: A total of 17 studies involving 12,682 Chinese HWs were included in the meta-analysis. The pooled prevalence of sleep disturbances in Chinese HWs was 45.1% (95% CI: 37.2–53.1%). We found that the prevalence of sleep disturbances varied among frontline, infected, and non-frontline HWs (Q = 96.96, p < 0.001); females and males (Q = 9.10, p = 0.003); studies using different assessment instruments (Q = 96.05, p < 0.001); and studies with different sample sizes (Q = 5.77, p = 0.016) and cut-off values (Q = 62.28, p < 0.001). The pooled mean total score of the Pittsburgh Sleep Quality Index (PSQI) was 9.83 (95% CI: 8.61–11.04). HWs in Wuhan had a higher total PSQI score than those in other regions (Q = 9.21, p = 0.002).Conclusion: Sleep disturbances were common in Chinese HWs during the COVID-19 pandemic, particularly in frontline and infected HWs. Our results indicate the heavy mental health burden on HWs during the COVID-19 pandemic in China and can provide other countries with valuable information to assist HWs during the crisis.


2016 ◽  
Vol 2016 ◽  
pp. 1-13 ◽  
Author(s):  
Zhangjun Li ◽  
Jianwen Ren ◽  
Xinwu Niu ◽  
Qingqiang Xu ◽  
Xiaopeng Wang ◽  
...  

Objective. The objective of this study was to systematically evaluate the association between vitiligo and human leukocyte antigen- (HLA-) A.Methods. PubMed, Embase, Web of Science, Chinese National Knowledge Infrastructure, and reference lists were searched for relevant original articles.Results. Nineteen case-control studies comprising 3042 patients and 5614 controls were included, in which 33 HLA-A alleles were reported. Overall, three alleles (HLA-A⁎02,A⁎33, and Aw⁎31) were significantly associated with increased risk of vitiligo, two (HLA-A⁎09 and Aw⁎19) were associated with decreased risk, and the remaining 28 were unassociated. Twelve alleles, seven alleles, and 19 alleles were common to three ethnicities, both types of vitiligo, and both typing methods, respectively. In the subgroup analysis by ethnicity and typing methods, the association of six alleles and five alleles was inconsistent in three populations and both typing methods, respectively. In the subgroup analysis by clinical type, the association of all seven alleles was consistent in both types of vitiligo.Conclusion. The meta-analysis suggests that HLA-A⁎02,A⁎33, and Aw⁎31 are associated with increased risk of vitiligo, while HLA-A⁎09 and Aw⁎19 are associated with decreased risk of vitiligo. The association of some alleles varies in terms of ethnicity and typing methods.


2020 ◽  
Vol 2020 ◽  
pp. 1-9
Author(s):  
Xin-Rong Jin ◽  
Zhi-Qiang Zhao

Background. The underlying mechanisms of alcohol use disorder (AUD) are regarded to be strongly associated with genetic factors. Although great efforts have been made to identify the association of rs4680 polymorphism in the catechol-o-methyltransferase gene and risk to AUD, the outcomes were still inconsistent. This study is aimed at exploring the association of rs4680 polymorphism and AUD by using a meta-analysis approach. Methods. Literature searching was undertaken across PubMed, Embase, Web of Science, Chinese National Knowledge Infrastructure (CNKI), and Wanfang databases. We set the search period before February 20, 2020. We used the Review Manager 5.3 (RevMan 5.3) software to estimate the effect sizes in five genetic models. Results. In total, eighteen case-control studies and two cohort studies were included in this study. The merged results of overall population indicated there was no significant association between rs4680 polymorphism and AUD: V vs. M, OR = 1.02 , 95% CI 0.93-1.12, P = 0.70 ; VV vs. MM, OR = 0.99 , 95% CI 0.79-1.23, P = 0.92 ; VM vs. MM, OR = 0.91 , 95% CI 0.81-1.03, P = 0.15 ; VV+VM vs. MM, OR = 0.95 , 95% CI 0.80-1.13, P = 0.65 ; VV vs. VM+MM, OR = 1.04 , 95% CI 0.91-1.18, P = 0.57 . Subgroup analysis by gender suggested rs4680 polymorphism was marginally associated with an elevated risk to AUD among males (VM vs. MM, OR = 0.81 , 95% CI 0.67-0.98, P = 0.03 ). However, subgroup analysis by race and diagnosis did not support any significant association. Conclusions. The present study suggests that rs4680 polymorphism has no association with AUD in the overall population, but it has a weak association with AUD in males. Carriers of VM genotype in males appear to have an increased risk to AUD.


2021 ◽  
Vol 14 (1) ◽  
Author(s):  
Aongart Mahittikorn ◽  
Frederick Ramirez Masangkay ◽  
Kwuntida Uthaisar Kotepui ◽  
Giovanni De Jesus Milanez ◽  
Manas Kotepui

Abstract Background Malaria mixed infections are often unrecognized by microscopists in the hospitals, and a delay or failure to treat Plasmodium-mixed infection may lead to aggravated morbidity and increased mortality. The present study aimed to quantify the pooled proportion and risk of malarial recurrences after the treatment of Plasmodium-mixed infection. The results of the study may provide benefits in the management of Plasmodium-mixed infection in co-endemic regions. Methods This systematic review and meta-analysis searched the international Prospective Register of Systematic Reviews (PROSPERO; ID = CRD42020199709), MEDLINE, Web of Science, and Scopus for potentially relevant studies in any language published between January 1, 1936, and July 20, 2020, assessing drug efficacy in patients with Plasmodium-mixed infection. The primary outcome was the pooled prevalence of Plasmodium parasitemia after initiating antimalarial treatment for Plasmodium-mixed infection. The secondary outcome was the pooled risk ratio (RR) of malarial recurrence in Plasmodium-mixed infection compared with those in Plasmodium falciparum and Plasmodium vivax mono-infection. The pooled analyses were calculated by random-effects meta-analysis. After the initial treatment in different days of recurrences (≤ 28 days or > 28 days), the risk of Plasmodium parasitemia was compared in subgroup analysis. Results Out of 5217 screened studies, 11 were included in the meta-analysis, including 4390 patients from six countries. The pooled prevalence of all recurrences of Plasmodium-mixed parasitemia was 30% (95% confidence interval (CI) 16–43; I2: 99.2%; 11 studies). The RR of malarial recurrence within 28 days after the initial treatment (clinical treatment failure) of Plasmodium-mixed parasitemia compared with the treatment of P. falciparum was 1.22 (p: 0.029; 95% CI 1.02–1.47; Cochran Q: 0.93; I2: 0%; six studies), while there was no significant difference in the risk of recurrence 28 days after initial treatment compared with the treatment of P. falciparum (p: 0.696, RR: 1.14; 95% CI 0.59–2.18; Cochran Q < 0.05; I2: 98.2%; four studies). The subgroup analysis of antimalarial drugs showed that significant malarial recurrence within 28 days was observed in patients treated with artemisinin-based combination therapies (ACTs) with no significant heterogeneity (p: 0.028, RR: 1.31; 95% CI 1.03–1.66; Cochran Q: 0.834; I2: 0%). Conclusions The present findings showed a high prevalence of malarial recurrence after the initial treatment of Plasmodium-mixed infection. Moreover, significant malaria recurrence of mixed infection occurred within 28 days after treatment with ACTs. Graphic Abstract


2021 ◽  
Vol 2 ◽  
pp. 100119
Author(s):  
Dhan Bahadur Shrestha ◽  
Pravash Budhathoki ◽  
Yub Raj Sedhai ◽  
Abinash Baniya ◽  
Sandesh Lamichhane ◽  
...  

Sign in / Sign up

Export Citation Format

Share Document