How Often Do Systematic Reviews Exclude Articles Not Published in English?

Jackson, Jeffrey L.; Kuriyama, Akira

doi:10.1007/s11606-019-04976-x

Cited by 86 publications

(58 citation statements)

References 6 publications

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“…This allowed us to conduct relevant subgroup analyses with a larger number of studies. Further, inclusion of non-English studies facilitates the generalizability of our findings in various clinical settings [ 56 ].…”

Section: Discussionmentioning

confidence: 99%

Performance of the cuff leak test in adults in predicting post-extubation airway complications: a systematic review and meta-analysis

2020

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Background Clinical practice guidelines recommend performing a cuff leak test in mechanically ventilated adults who meet extubation criteria to screen those at high risk for post-extubation stridor. Previous systematic reviews demonstrated excellent specificity of the cuff leak test but disagreed with respect to sensitivity. We conducted a systematic review and meta-analysis to assess the diagnostic accuracy of the cuff leak test for predicting post-extubation airway complications in intubated adult patients in critical care settings. Methods We searched Medline, EMBASE, Scopus, ISI Web of Science, the Cochrane Library for eligible studies from inception to March 16, 2020, without language restrictions. We included studies that examined the diagnostic accuracy of cuff leak test if post-extubation airway obstruction after extubation or reintubation was explicitly reported as the reference standard. Two authors in duplicate and independently assessed the risk of bias using the Quality Assessment for Diagnostic Accuracy Studies-2 tool. We pooled sensitivities and specificities using generalized linear mixed model approach to bivariate random-effects meta-analysis. Our primary outcomes were post-extubation airway obstruction and reintubation. Results We included 28 studies involving 4493 extubations. Three studies were at low risk for all QUADAS-2 risk of bias domains. The pooled sensitivity and specificity of cuff leak test for post-extubation airway obstruction were 0.62 (95% CI 0.49–0.73; I2 = 81.6%) and 0.87 (95% CI 0.82–0.90; I2 = 97.8%), respectively. The pooled sensitivity and specificity of the cuff leak test for reintubation were 0.66 (95% CI 0.46–0.81; I2 = 48.9%) and 0.88 (95% CI 0.83–0.92; I2 = 87.4%), respectively. Subgroup analyses suggested that the type of cuff leak test and length of intubation might be the cause of statistical heterogeneity of sensitivity and specificity, respectively, for post-extubation airway obstruction. Conclusions The cuff leak test has excellent specificity but moderate sensitivity for post-extubation airway obstruction. The high specificity suggests that clinicians should consider intervening in patients with a positive test, but the low sensitivity suggests that patients still need to be closely monitored post-extubation.

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Section: Discussionmentioning

confidence: 99%

Performance of the cuff leak test in adults in predicting post-extubation airway complications: a systematic review and meta-analysis

2020

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“…We excluded case repots or case series that were published in non-peer-reviewed journals, those without details after author contact attempts, and those on hemothorax where a breach of the thoracic vertebrae was not the bleeding site. We searched Medline, EMBASE, and ICHUSHI ("Igaku CHUo zasSHI," meaning "Medical Central Journals" in Japanese) databases without language restrictions to enhance the generalizability of our findings [6,7] (Supplementary Table 1). Furthermore, we checked the reference lists of the included articles for potentially relevant reports.…”

Section: Methodsmentioning

confidence: 99%

Massive hemothorax due to bleeding from thoracic spinal fractures: a case series and systematic review

Ninomiya

Kuriyama

Uchino

2020

Scand J Trauma Resusc Emerg Med

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Background Massive hemothorax secondary to thoracic spinal fractures is rare, and its clinical characteristics, treatment, and prognosis are unknown. We present two cases of thoracic spinal fracture-induced massive hemothorax and a systematic review of previously reported cases. Methods This study included patients with traumatic hemothorax from thoracic spinal fractures at a Japanese tertiary care hospital. A systematic review of published cases was undertaken through searches in PubMed, EMBASE, and ICHUSHI from inception to October 13, 2019. Results Case 1: An 81-year-old man developed hemodynamic instability from a right hemothorax with multiple rib fractures following a pedestrian–vehicle accident; > 1500 mL blood was evacuated through the intercostal drain. Thoracotomy showed hemorrhage from a T8-burst fracture, and gauze packing was used for hemostasis. Case 2: A 64-year-old man with right hemothorax and hypotension after a fall from height had hemorrhage from a T7-burst fracture, detected on thoracotomy, which was sealed with bone wax. Hypotension recurred during transfer; re-thoracotomy showed bleeding from a T7 fracture, which was packed with bone wax and gauze for hemostasis. The systematic review identified 10 similar cases and analyzed 12 cases, including the abovementioned cases. Inferior part of thoracic spines was prone to injury and induced right-sided hemothorax. Most patients developed hemodynamic instability, and some sustained intra-transfer hemorrhage; direct compression (gauze packing, bone wax, and hemostatic agents) was the commonest hemostatic procedure. The mortality rate was 33.3%. Conclusions Hemothorax due to thoracic spinal fracture can be fatal. Thoracotomy with direct compression is necessary in hemodynamically unstable patients.

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“…49 The exclusion of non-English articles is a known issue in the conduct of knowledge syntheses and has been labeled the “Tower of Babel Bias”; 52 this bias has implications for the accuracy and generalizability of research findings. 53 While examining the language inclusion criteria of each article is beyond the scope of this study, our findings suggest further investigation is warranted to better understand if the Tower of Babel Bias is an important issue in medical education knowledge syntheses.…”

Section: Discussionmentioning

confidence: 95%

Knowledge syntheses in medical education: Examining author gender, geographic location, and institutional affiliation

Maggio

Ninkov

Costello

et al. 2021

Preprint

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Purpose Authors of knowledge syntheses make many subjective decisions during their review process. Those decisions, which are guided in part by author characteristics, can impact the conduct and conclusions of knowledge syntheses, which assimilate much of the evidence base in medical education. Therefore, to better understand the evidence base, this study describes the characteristics of knowledge synthesis authors, focusing on gender, geography, and institution. Method In 2020, the authors conducted a case study of authors of 963 knowledge syntheses published between 1999 and 2019 in 14 core medical education journals using a publicly accessible dataset. Results The authors of the present study identified 4,110 manuscript authors across all authorship positions. On average there were 4.3 authors per knowledge synthesis (SD=2.51, Median=4, Range=1-22); 79 knowledge syntheses (8%) were single-author publications. Over time, the average number of authors per synthesis increased (M=1.80 in 1999; M=5.34 in 2019). Knowledge syntheses were authored by slightly more females (n=2047; 50.5%) than males (n=2005; 49.5%) across all author positions (Pearson Χ2=22.02, p<.001). Authors listed affiliations in 58 countries, and 58 knowledge syntheses (6%) included authors from low- or middle-income countries (LMIC). Authors from the United States (n=366; 38%), Canada (n=233; 24%), and the United Kingdom (n=180; 19%) published the most knowledge syntheses. Authors listed affiliation at 617 unique institutions, and first authors represented 362 unique institutions with greatest representation from the University of Toronto (n=55, 6%) and the Mayo Clinic (n=31, 3%). Across all authorship positions, the large majority of knowledge syntheses (n=753; 78%) included authors at top 200 ranked institutions. Conclusions Knowledge synthesis author teams have grown over the past 20 years, and while there is near gender parity across all author positions, authorship has been dominated by North American researchers located at highly ranked institutions. This suggests a potential overrepresentation of certain authors with particular characteristics, which may impact the conduct and conclusions of knowledge syntheses in medical education.

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How Often Do Systematic Reviews Exclude Articles Not Published in English?

Cited by 86 publications

References 6 publications

Performance of the cuff leak test in adults in predicting post-extubation airway complications: a systematic review and meta-analysis

Performance of the cuff leak test in adults in predicting post-extubation airway complications: a systematic review and meta-analysis

Massive hemothorax due to bleeding from thoracic spinal fractures: a case series and systematic review

Knowledge syntheses in medical education: Examining author gender, geographic location, and institutional affiliation

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