Diagnostic value of the sonographic whirlpool sign in the diagnosis of ovarian torsion: A systematic review and meta‐analysis

2021 ◽  
Author(s):  
Theophilus Kofi Adu‐Bredu ◽  
Joseph Arkorful ◽  
Kwame Appiah‐Denkyira ◽  
Yaw Amo Wiafe
Keyword(s):  
Systematic Review ◽  
Meta Analysis ◽  
Diagnostic Value ◽  
Ovarian Torsion ◽  
Whirlpool Sign

scholarly journals Diagnostic Value of Fluorescence Methods, Visual Inspection and Photographic Visual Examination in Initial Caries Lesion: A Systematic Review and Meta-Analysis

2021 ◽  
Vol 9 (3) ◽  
pp. 30
Author(s):  
Mai Thi Giang Thanh ◽  
Ngo Van Toan ◽  
Do Thi Thanh Toan ◽  
Nguyen Phu Thang ◽  
Ngoc Quang Dong ◽  
...  
Keyword(s):  
Systematic Review ◽  
Quality Assessment ◽  
Visual Inspection ◽  
Early Stage ◽  
Meta Analysis ◽  
Diagnostic Value ◽  
Caries Detection ◽  
Permanent Teeth ◽  
Visual Examination ◽  
Initial Caries

This systematic review and meta-analysis aimed to investigate the efficacy of fluorescence-based methods, visual inspections, and photographic visual examinations in initial caries detection. A literature search was undertaken in the PubMed and Cochrane databases. Preferred Reporting Items for Systematic Review and Meta-Analyses (PRISMA) guidelines were followed, and eligible articles published from 1 January 2009 to 30 October 2019 were included if they met the following criteria: they (1) assessed the accuracy of methods of detecting initial tooth caries lesions on occlusal, proximal, or smooth surfaces in both primary and permanent teeth (in clinical); (2) used a reference standard; (3) reported data regarding the sample size, prevalence of initial tooth caries, and accuracy of the methods. Data collection and extraction, quality assessment, and data analysis were conducted according to Cochrane standards Quality Assessment of Diagnostic Accuracy Studies-2. Statistical analyses were performed using Review Manager 5.3 and STATA 14.0. A total of 12 eligible articles were included in the meta-analysis. The results showed that the sensitivity and specificity of fluorescence-based methods were 80% and 80%, respectively; visual inspection was measured at 80% and 75%, respectively; photographic visual examination was measured at 67% and 79%, respectively. We found that the visual method and the fluorescence method were reliable for laboratory use to detect early-stage caries with equivalent accuracy.

scholarly journals Diagnostic value of optical coherence tomography angiography for choroidal neovascularization in age-related macular degeneration: A systematic review and meta-analysis

2020 ◽  
Author(s):  
Chang-Xi Chen ◽  
Mei-Ling Liu ◽  
Kai Cao ◽  
Mayinuer Yusufu ◽  
Jin-Da Wang
Keyword(s):  
Systematic Review ◽  
Optical Coherence Tomography ◽  
Macular Degeneration ◽  
Choroidal Neovascularization ◽  
Optical Coherence Tomography Angiography ◽  
Meta Analysis ◽  
Diagnostic Value ◽  
Age Related Macular Degeneration ◽  
Optical Coherence ◽  
Classification Rate

Objective: To evaluate the diagnostic value of optical coherence tomography angiography (OCTA) in detecting the choroidal neovascularization (CNV) in agerelated macular degeneration (AMD). Methods: A systematic review and meta-analysis was performed by searching Pubmed, Science Direct, Embase and Web of Science. The pooled sensitivity and specificity with 95% confidence intervals (CIs), area under the summary receiver operator characteristic curve (sROC), and the total accurate classification rate were used to evaluate OCTA’ diagnostic value of CNV in AMD patients. Results: Seven studies involving 517 eyes were included in the analysis. The mean age of subjects in each study ranged from 58.5 years to 81.7 years. Fluorescein angiography was applied as the gold standard in five studies. There were 350 eyes diagnosed with CNV, OCTA detected 301 eyes correctly, while among the 167 eyes without CNV, OCTA identified 150 correctly. The total accurate classification rate was 87.23%. The Spearman's rank correlation coefficient was 0.5, indicating that there was no significant threshold effect in the current study (S=8, p=0.103). The pooled sensitivity and pooled specificity were 0.89 (95%CI: 0.82,0.94) and 0.96 (95%CI: 0.85,1.00) respectively. The area under sROC was up to 0.911. Conclusion: The specificity of OCTA for the detection of CNV in AMD patients is extremely high, however, the sensitivity still needs to be improved. In general, the metaanalysis revealed that OCTA had a high diagnostic value for the detection of CNV in AMD patients.

scholarly journals Diagnostic value of symptoms of oesophagogastric cancers in primary care: a systematic review and meta-analysis

2015 ◽  
Vol 65 (639) ◽  
pp. e677-e691 ◽  
Author(s):  
Margaret P Astin ◽  
Tanimola Martins ◽  
Nicky Welton ◽  
Richard D Neal ◽  
Peter W Rose ◽  
...  
Keyword(s):  
Systematic Review ◽  
Primary Care ◽  
Meta Analysis ◽  
Diagnostic Value

scholarly journals Comparison of conventional, doppler and contrast-enhanced ultrasonography in differential diagnosis of ovarian masses: a systematic review and meta-analysis

BMJ Open ◽  
2021 ◽  
Vol 11 (12) ◽  
pp. e052830
Author(s):  
Lizhang Xun ◽  
Lamei Zhai ◽  
Hui Xu
Keyword(s):  
Systematic Review ◽  
Ovarian Cancer ◽  
Data Extraction ◽  
Meta Analysis ◽  
Diagnostic Value ◽  
Doppler Us ◽  
Contrast Enhanced ◽  
Contrast Enhanced Ultrasonography ◽  
Sensitivity Specificity ◽  
Ovarian Masses

ObjectivesTo assess the value of conventional, Doppler and contrast-enhanced ultrasonography (CEUS) (conventional ultrasonography (US), Doppler US and CEUS) for diagnosing ovarian cancer.DesignSystematic review and meta-analysis.Data sourcesPubMed, Embase and the Cochrane Library were conducted for studies published until October 2021.Eligibility criteriaStudies assessed the diagnostic value of conventional US, Doppler US or CEUS for detecting ovarian cancer, with no restrictions placed on published language and status.Data extraction and synthesisThe study selection and data extraction were performed by two independent authors. The sensitivity, specificity, positive and negative likelihood ratio (PLR and NLR), diagnostic OR (DOR) and area under the receiver operating characteristic curve (AUC) were pooled using the bivariate generalised linear mixed model and random effects model.ResultsThe meta-analysis included 72 studies and involved 9296 women who presented with ovarian masses. The pooled sensitivity, specificity, PLR, NLR, DOR and AUC for conventional US were 0.91 (95% CI: 0.87 to 0.94) and 0.87 (95% CI: 0.82 to 0.91), 6.87 (95% CI: 4.98 to 9.49) and 0.10 (95% CI: 0.07 to 0.15), 57.52 (95% CI: 36.64 to 90.28) and 0.95 (95% CI: 0.93 to 0.97), respectively. The sensitivity, specificity, PLR, NLR, DOR and AUC for Doppler US were 0.93 (95% CI: 0.91 to 0.95) and 0.85 (95% CI: 0.80 to 0.89), 6.10 (95% CI: 4.59 to 8.11) and 0.08 (95% CI: 0.06 to 0.11), 61.76 (95% CI: 39.99 to 95.37) and 0.96 (95% CI: 0.94 to 0.97), respectively. The pooled sensitivity, specificity, PLR, NLR, DOR and AUC for CEUS were 0.97 (95% CI: 0.92 to 0.99) and 0.92 (95% CI: 0.85 to 0.95), 11.47 (95% CI: 6.52 to 20.17) and 0.03 (95% CI: 0.01 to 0.09), 152.11 (95% CI: 77.77 to 297.51) and 0.99 (95% CI: 0.97 to 0.99), respectively. Moreover, the AUC values for conventional US (p=0.002) and Doppler US (p=0.005) were inferior to those of CEUS.ConclusionsConventional US, Doppler US and CEUS have a relatively high differential diagnostic value for differentiating between benign and malignant ovarian masses. The diagnostic performance of CEUS was superior to that of conventional US and Doppler US.

scholarly journals Diagnostic and prognostic value of miRNAs in hepatoblastoma: A systematic review with meta-analysis

2021 ◽  
Author(s):  
Bin Wu ◽  
◽  
Lixia Guo ◽  
Kaikai Zhen ◽  
Chao Sun
Keyword(s):  
Systematic Review ◽  
Prognostic Value ◽  
Meta Analysis ◽  
Area Under The Curve ◽  
Prognostic Indicator ◽  
Diagnostic Odds Ratio ◽  
Diagnostic Value ◽  
Likelihood Ratios ◽  
Clinical Value ◽  
Diagnostic And Prognostic Value

Review question / Objective: Background and aim: Increasing evidence has revealed the valuable diagnostic and prognostic applications of dysregulated microRNAs (miRNAs) in hepatoblastoma (HB), the most common hepatic malignancy during childhood. However, these results are inconsistent and remain to be elucidated. In the present study, we aimed to systematically compile up-to-date information regarding the clinical value of miRNAs in HB. Methods: Articles concerning the diagnostic and prognostic value of single miRNAs for HB were searched from databases. The sensitivity (SEN), specificity (SPE), positive and negative likelihood ratios (PLR and NLR), diagnostic odds ratio (DOR), area under the curve (AUC), and hazard ratios (HRs) were separately pooled to explore the diagnostic and prognostic performance of miRNA. Subgroup and meta-regression analyses were further carried out only in the event of heterogeneity. Results: In all, 20 studies, involving 264 HB patients and 206 healthy individuals, met the inclusion criteria in the six included literature articles. For the diagnostic analysis of miRNAs in HB, the pooled SEN and SPE were 0.76 (95% CI: 0.72–0.80) and 0.75 (95% CI: 0.70–0.80), respectively. Moreover, the pooled PLR was 2.79 (95% CI: 2.12–3.66), NLR was 0.34 (95% CI: 0.26–0.45), DOR was 10.24 (95% CI: 6.55–16.00), and AUC was 0.83, indicating that miRNAs had moderate diagnostic value in HB. For the prognostic analysis of miRNAs in HB, the abnormal expressions of miR-21, miR-34a, miR-34b, miR-34c, miR-492, miR-193, miR-222, and miR-224 in patients were confirmed to be associated with a worse prognosis. The pooled HR was 1.74 (95% CI: 1.20–2.29) for overall survival (OS) and 1.74 (95% CI: 1.31–2.18) for event-free survival (EFS), suggesting its potential as a prognostic indicator for HB. Conclusion: To the best of our knowledge, this is the first comprehensive systematic review and meta-analysis that examines the diagnostic and prognostic role of dysregulated miRNAs in HB patients. The combined meta-analysis results supported the previous individual finds that miRNAs might provide a new, noninvasive method for the diagnostic and prognostic analyses ofHB.

scholarly journals Systematic review and meta-analysis of the diagnostic value of radionuclide imaging for thyroid nodules

Gland Surgery ◽  
2021 ◽  
Vol 0 (0) ◽  
pp. 0-0
Author(s):  
Xin Song ◽  
Zhongmei Luo ◽  
Haiyan Sun ◽  
Lingna Hao
Keyword(s):  
Systematic Review ◽  
Radionuclide Imaging ◽  
Thyroid Nodules ◽  
Meta Analysis ◽  
Diagnostic Value

scholarly journals The diagnostic value of miRNA-141 in prostate cancer: a systematic review and meta-analysis

2020 ◽  
Vol 4 (1) ◽  
pp. 53-59
Author(s):  
Yun Ye ◽  
◽  
Xiaohua Yuan ◽  
Jianjun Wang ◽  
Yuchen Wang ◽  
...  
Keyword(s):  
Prostate Cancer ◽  
Systematic Review ◽  
Meta Analysis ◽  
Diagnostic Value
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