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High Impact Articles
High impact papers are those to which special attention is paid by experts in the given field, with a large number of visitors, frequent downloads and higher citation rates. The research must be creative, with high academic standards and have a wide influence, if it is to become a high impact paper. They are ranked by the number of downloads.
Rank Full Article
Assessing the quality of studies in meta-analyses: Advantages and limitations of the Newcastle Ottawa Scale  
Claudio Luchini, Brendon Stubbs, Marco Solmi, Nicola Veronese 
World J Meta-Anal 5(4):80-84. Published online Aug 26, 2017. doi: 10.13105/wjma.v5.i4.80
Environmental tobacco smoke exposure and lung cancer: A systematic review  
Peter N Lee, John S Fry, Barbara A Forey, Jan S Hamling, Alison J Thornton 
World J Meta-Anal 4(2):10-43. Published online Apr 26, 2016. doi: 10.13105/wjma.v4.i2.10
Role of self-expanding metal stents in patients with malignant colorectal obstruction: A systematic review and meta-analysis  
Nirav Thosani, Subhas Banerjee, Vikesh Khanijow, Bhavana Rao, Priyanka Priyanka, Atilla Ertan, Sushovan Guha 
World J Meta-Anal 3(6):232-253. Published online Dec 26, 2015. doi: 10.13105/wjma.v3.i6.232
Remission endpoints in ulcerative colitis: A systematic review  
Maki Jitsumura, Rory Frederick Kokelaar, Dean Anthony Harris 
World J Meta-Anal 5(4):85-102. Published online Aug 26, 2017. doi: 10.13105/wjma.v5.i4.85
Medication non-adherence in bipolar disorder: Review of rates, demographic and clinical predictors  
Subho Chakrabarti 
World J Meta-Anal 5(4):103-123. Published online Aug 26, 2017. doi: 10.13105/wjma.v5.i4.103
Antidiabetic agents in patients with hepatic impairment  
Athanasia Papazafiropoulou, Andreas Melidonis 
World J Meta-Anal 7(8):380-388. Published online Aug 31, 2019. doi: 10.13105/wjma.v7.i8.380
Development of the Documentation and Appraisal Review Tool for systematic reviews  
Rebecca L Diekemper, Belinda K Ireland, Liana R Merz 
World J Meta-Anal 3(3):142-150. Published online Jun 26, 2015. doi: 10.13105/wjma.v3.i3.142
Risk of pancreatic adverse events associated with the use of glucagon-like peptide-1 receptor agonist and dipeptidyl peptidase-4 inhibitor drugs: A systematic review and meta-analysis of randomized trials  
Hasan M Shihab, Tokunbo Akande, Kacie Armstrong, Sonal Singh, Yoon K Loke 
World J Meta-Anal 3(6):254-283. Published online Dec 26, 2015. doi: 10.13105/wjma.v3.i6.254
Preoperative colonic stents vs emergency surgery for acute left-sided malignant colonic obstruction: Meta-analysis with systematic review of the literature  
Belinda De Simone, Fausto Catena, Federico Coccolini, Salomone Di Saverio, Massimo Sartelli, Arianna Heyer, Nicola De Angelis, Gian Luigi De Angelis, Luca Ansaloni 
World J Meta-Anal 5(1):1-13. Published online Feb 26, 2017. doi: 10.13105/wjma.v5.i1.1
Preventing pediatric antibiotic-associated diarrhea and Clostridium difficile infections with probiotics: A meta-analysis  
Lynne V McFarland, Shan Goh 
World J Meta-Anal 1(3):102-120. Published online Nov 26, 2013. doi: 10.13105/wjma.v1.i3.102
Different types of mechanical complications after surgical correction of adult spine deformity with osteotomy  
Cameron Barton, Andriy Noshchenko, Vikas V Patel, Christopher M J Cain, Christopher Kleck, Evalina L Burger 
World J Meta-Anal 5(6):132-149. Published online Dec 26, 2017. doi: 10.13105/wjma.v5.i6.132
Anti-obesity drugs currently used and new compounds in clinical development  
Armindo Martins, Sandra Morgado, Manuel Morgado 
World J Meta-Anal 2(4):135-153. Published online Nov 26, 2014. doi: 10.13105/wjma.v2.i4.135
Prevalence of hypertension in India: A meta-analysis  
Tanu Midha, Bhola Nath, Ranjeeta Kumari, Yashwant Kumar Rao, Umeshwar Pandey 
World J Meta-Anal 1(2):83-89. Published online Aug 26, 2013. doi: 10.13105/wjma.v1.i2.83
Meta-analysis of single strain probiotics for the eradication of Helicobacter pylori and prevention of adverse events  
Lynne V McFarland, Peter Malfertheiner, Ying Huang, Lin Wang 
World J Meta-Anal 3(2):97-117. Published online Apr 26, 2015. doi: 10.13105/wjma.v3.i2.97
Is the traditional Chinese medicine helpful for patients with hematologic malignant diseases? A meta-analysis of randomized controlled trials  
Cheng-Liang Qian, Fei Yan, Yan-Zhi Song, Dong Li, Ke-Zhou Dong, Yi-Min Zhu 
World J Meta-Anal 3(3):163-180. Published online Jun 26, 2015. doi: 10.13105/wjma.v3.i3.163
Stroke and depression: A bidirectional link  
Elisabetta Del Zotto, Paolo Costa, Andrea Morotti, Loris Poli, Valeria de Giuli, Alessia Giossi, Irene Volonghi, Antonio Callea, Alessandro Padovani, Alessandro Pezzini 
World J Meta-Anal 2(3):49-63. Published online Aug 26, 2014. doi: 10.13105/wjma.v2.i3.49
How to impute study-specific standard deviations in meta-analyses of skewed continuous endpoints?  
Teresa Greco, Giuseppe Biondi-Zoccai, Marco Gemma, Claude Guérin, Alberto Zangrillo, Giovanni Landoni 
World J Meta-Anal 3(5):215-224. Published online Oct 26, 2015. doi: 10.13105/wjma.v3.i5.215
Traditional Chinese manual acupuncture for management of obesity: A systematic review  
Kang Xiao Li, Angela Weihong Yang, Charlie CL Xue, George Binh Lenon 
World J Meta-Anal 3(5):206-214. Published online Oct 26, 2015. doi: 10.13105/wjma.v3.i5.206
Environmental tobacco smoke exposure and heart disease: A systematic review  
Peter N Lee, Barbara A Forey, Jan S Hamling, Alison J Thornton 
World J Meta-Anal 5(2):14-40. Published online Apr 26, 2017. doi: 10.13105/wjma.v5.i2.14
Meta-analysis comparing differing methods of endoscopic therapy for colorectal lesions  
Nisha Patel, James Alexander, Hutan Ashrafian, Thanos Athanasiou, Ara Darzi, Julian Teare 
World J Meta-Anal 4(2):44-54. Published online Apr 26, 2016. doi: 10.13105/wjma.v4.i2.44
Arthroscopic capsular release and manipulation under anaesthesia for frozen shoulders: A hot topic  
Tim Kraal, Lijkele Beimers 
World J Meta-Anal 3(2):82-88. Published online Apr 26, 2015. doi: 10.13105/wjma.v3.i2.82
Synthetic vs biologic mesh for the repair and prevention of parastomal hernia  
Loes Knaapen, Otmar Buyne, Harry van Goor, Nicholas J Slater 
World J Meta-Anal 5(6):150-166. Published online Dec 26, 2017. doi: 10.13105/wjma.v5.i6.150
Antireflux surgery vs medical treatment for gastroesophageal reflux disease: A meta-analysis  
Ya Jiang, Wen-Xia Cui, Ying Wang, Ding Heng, Jia-Cheng Tan, Lin Lin 
World J Meta-Anal 3(6):284-294. Published online Dec 26, 2015. doi: 10.13105/wjma.v3.i6.284
Empathy assessment in healthcare students is highly heterogeneous: A systematic review and meta-analysis (2012-2016)  
Konstantinos C Fragkos, Ioannis Sotiropoulos, Christos C Frangos 
World J Meta-Anal 7(1):1-30. Published online Jan 10, 2019. doi: 10.13105/wjma.v7.i1.1
Antibiotics for eradicating meningococcal carriages: Network meta-analysis and investigation of evidence inconsistency  
Asmaa S Abdelhamid, Yoon K Loke, Ibrahim Abubakar, Fujian Song 
World J Meta-Anal 4(4):77-87. Published online Aug 26, 2016. doi: 10.13105/wjma.v4.i4.77
Thalidomide and thalidomide analogues in treatment of patients with inflammatory bowel disease: Meta-analysis  
Khan Rana Sami Ullah, Yu-Lin Xiong, Ying-Lei Miao, Saeed Ummair, Wei Dai 
World J Meta-Anal 5(5):124-131. Published online Oct 26, 2017. doi: 10.13105/wjma.v5.i5.124
Efficacy, safety, and dose comparison of degarelix for the treatment of prostate cancer: A systematic review and meta-analysis  
Cheng Fang, Cai-Liang Wu, Sha-Sha Liu, Long Ge, Jin-Liang Bai 
World J Meta-Anal 4(3):69-76. Published online Jun 26, 2016. doi: 10.13105/wjma.v4.i3.69
Computed tomography fluoroscopy guided percutaneous lung biopsy for ground-glass opacity pulmonary lesions: A meta-analysis  
Gao-Wu Yan, Gao-Wen Yan, Qin-Quan Sun, Xiang-Ke Niu, Bing Li, Anup Bhetuwal, Xiao-Xue Xu, Yong Du, Han-Feng Yang 
World J Meta-Anal 4(2):55-62. Published online Apr 26, 2016. doi: 10.13105/wjma.v4.i2.55
Daikenchuto for postoperative adhesive small bowel obstruction: A systematic review and meta-analysis  
Tomohiko Ukai, Satoru Shikata, Ryuki Kassai, Yousuke Takemura 
World J Meta-Anal 4(4):88-94. Published online Aug 26, 2016. doi: 10.13105/wjma.v4.i4.88
Operative vs nonoperative treatment of displaced intra-articular calcaneal fracture: A meta-analysis of randomized controlled trials  
Nan Jiang, Hui-Juan Song, Guo-Ping Xie, Lei Wang, Chang-Xiang Liang, Cheng-He Qin, Bin Yu 
World J Meta-Anal 3(1):61-71. Published online Feb 26, 2015. doi: 10.13105/wjma.v3.i1.61
Expression of epithelial cellular adhesion molecule in gastric cancer: A meta-analysis  
Yi-Bin Xiao, Hong-Qing Xi, Ji-Yang Li, Lin Chen 
World J Meta-Anal 4(1):1-9. Published online Feb 26, 2016. doi: 10.13105/wjma.v4.i1.1
PD-1/PD-L1 antagonists in gastric cancer: Current studies and perspectives  
Jian Li, Xiao-Hong Zhang, Song-Hua Bei, Li Feng 
World J Meta-Anal 7(3):101-109. Published online Mar 31, 2019. doi: 10.13105/wjma.v7.i3.101
Red meat intake and the risk of endometrial cancer: Meta-analysis of observational studies  
Woong Ju, NaNa Keum, Dong Hoon Lee, Yun Hwan Kim, Seung Cheol Kim, Eric L Ding, Eunyoung Cho 
World J Meta-Anal 3(2):125-132. Published online Apr 26, 2015. doi: 10.13105/wjma.v3.i2.125
Brassiere wearing and breast cancer risk: A systematic review and meta-analysis  
Winnie KW So, Dorothy NS Chan, Yan Lou, Kai-Chow Choi, Carmen WH Chan, Kristina Shin, Ava Kwong, Diana TF Lee 
World J Meta-Anal 3(4):193-205. Published online Aug 26, 2015. doi: 10.13105/wjma.v3.i4.193
Gadoxetic acid-enhanced magnetic resonance imaging for the detection of small hepatocellular carcinoma (≤ 2.0 cm) in patients with chronic liver disease: A meta-analysis  
Yan Shan, Jian Gao, Meng-Su Zeng, Jiang Lin, Peng-Ju Xu 
World J Meta-Anal 4(4):95-104. Published online Aug 26, 2016. doi: 10.13105/wjma.v4.i4.95
Isolated hepatic perfusion for unresectable hepatic malignancies: A systematic review and meta-analysis  
Tian Meng, Guan-Qiao Li, Meng-Hua Dai 
World J Meta-Anal 4(5):105-117. Published online Oct 26, 2016. doi: 10.13105/wjma.v4.i5.105
Prophylactic tracheal intubation for upper GI bleeding: A meta-analysis  
Ashraf A Almashhrawi, Rubayat Rahman, Samuel T Jersak, Akwi W Asombang, Alisha M Hinds, Hazem T Hammad, Douglas L Nguyen, Matthew L Bechtold 
World J Meta-Anal 3(1):4-10. Published online Feb 26, 2015. doi: 10.13105/wjma.v3.i1.4
Helicobacter pylori infection and asthma: Is there a direct or an inverse association? A meta-analysis  
Davide Giuseppe Ribaldone, Sharmila Fagoonee, Jacopo Colombini, Giorgio Saracco, Marco Astegiano, Rinaldo Pellicano 
World J Meta-Anal 4(3):63-68. Published online Jun 26, 2016. doi: 10.13105/wjma.v4.i3.63
Genetic studies in irritable bowel syndrome-status quo  
Stefan-Lucian Popa, Dan L Dumitrascu, Romana Vulturar, Beate Niesler 
World J Meta-Anal 6(1):1-8. Published online Feb 26, 2018. doi: 10.13105/wjma.v6.i1.1
Meta-analysis of lymph node metastasis in Siewert type I and II T1 adenocarcinomas  
Hiroki Osumi, Junko Fujisaki, Masami Omae, Tomoki Shimizu, Toshiyuki Yoshio, Akiyoshi Ishiyama, Toshiaki Hirasawa, Tomohiro Tsuchida, Yorimasa Yamamoto, Hiroshi Kawachi, Noriko Yamamoto, Masahiro Igarashi 
World J Meta-Anal 4(6):118-123. Published online Dec 26, 2016. doi: 10.13105/wjma.v4.i6.118
Addition of hip exercises to treatment of patellofemoral pain syndrome: A meta-analysis  
Kimberly M Morelli, Maria Carrelli, Maria A Nunez, Caroline A Smith, Gordon L Warren 
World J Meta-Anal 3(2):118-124. Published online Apr 26, 2015. doi: 10.13105/wjma.v3.i2.118
Higher dose of simethicone decreases colonic bubbles and increases prep tolerance and quality of bowel prep: Meta-analysis of randomized controlled trials  
Mohammad F Madhoun, Maham Hayat, Ijlal Akbar Ali 
World J Meta-Anal 7(3):110-119. Published online Mar 31, 2019. doi: 10.13105/wjma.v7.i3.110
Endoscopic management of biliary strictures post-liver transplantation  
Ahmed Akhter, Patrick Pfau, Mark Benson, Anurag Soni, Deepak Gopal 
World J Meta-Anal 7(4):120-128. Published online Apr 30, 2019. doi: 10.13105/wjma.v7.i4.120
Reproducibility and replicability of systematic reviews  
Farhad Shokraneh 
World J Meta-Anal 7(3):66-71. Published online Mar 31, 2019. doi: 10.13105/wjma.v7.i3.66
Towards better meta-analyses in assisted reproductive technology: Fixed, random or multivariate models?  
Philippe Lehert 
World J Meta-Anal 3(6):225-231. Published online Dec 26, 2015. doi: 10.13105/wjma.v3.i6.225
Application of meta-analysis to specific research fields: Lessons learned  
Lynne V McFarland 
World J Meta-Anal 3(4):188-192. Published online Aug 26, 2015. doi: 10.13105/wjma.v3.i4.188
Role of nuclear cardiology for guiding device therapy in patients with heart failure  
Mario Petretta, Andrea Petretta, Teresa Pellegrino, Carmela Nappi, Valeria Cantoni, Alberto Cuocolo 
World J Meta-Anal 2(1):1-16. Published online Feb 26, 2014. doi: 10.13105/wjma.v2.i1.1