P12: PREDICTORS OF CONVERSION FROM MINIMALLY INVASIVE TO OPEN ADRENALECTOMY: A SYSTEMATIC REVIEW & META-ANALYSIS OF OBSERVATIONAL STUDIES

Abstract Introduction Minimally invasive adrenalectomy has become the standard of care internationally in benign adrenal disease. Intra-operative conversion to open surgery is associated with significantly increased morbidity and prolonged hospital stay. The aim of this systematic review is to identify risk factors associated with intra-operative conversion of minimally invasive adrenalectomy. Method This systematic review was conducted according to MOOSE guidelines. PubMed, EMBASE and Cochrane library were systematically searched for observational studies evaluating risk factors for intra-operative conversion of minimally invasive adrenalectomy to open surgery. Specific risk factors of interest included patient demographics, patient co-morbidities, tumour characteristics and histology. Result Eight studies met the inclusion criteria for analysis with a total of 2939 patients. 6.02% (n=177) required intra-operative conversion. 67.5% (n=1983) underwent laparoscopic transperitoneal adrenalectomy. There were no significant associations between any patient demographics or co-morbidities and intra-operative conversion. Tumour characteristics such as right sided tumours (pooled odds ratio (OR), 1.51; 95% Confidence Interval (CI), 0.98-2.32; p=0.06) and increasing tumour size (OR, 2.29; 95% CI, 1.4-3.74; p=0.001) were shown to be significantly associated with an increased risk of conversion. Pheochromocytoma (OR, 2.21; 95% CI, 1.89-2.58; p<0.0001) and malignancy (OR, 5.38; 95% CI, 2.1-13.81; p=0.005) were also significant predictors of intra-operative conversion. Conclusion Minimally invasive adrenalectomy has significantly reduced post-operative morbidity in patients requiring adrenal surgery but the need for intra-operative conversion remains significant. Identifying patients at increased risk of conversion pre-operatively may assist intra-operative decision making and contribute to improved patient outcomes. Take-home message Minimally invasive adrenalectomy carries a significant risk of conversion. Recognising patients with known risk factors for conversion aids risk stratification and may contribute to better outcomes.

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Sialendoscopy in the Management of Radioiodine Induced Sialadenitis: A Systematic Review

Annals of Otology Rhinology & Laryngology ◽

10.1177/0003489417732795 ◽

2017 ◽

Vol 126 (11) ◽

pp. 768-773 ◽

Cited By ~ 5

Author(s):

Thai-Duong Cung ◽

Wanda Lai ◽

Peter F. Svider ◽

Curtis Hanba ◽

Julie Samantray ◽

...

Keyword(s):

Systematic Review ◽

Salivary Gland ◽

Minimally Invasive ◽

Clinical Improvement ◽

Therapeutic Modality ◽

Cochrane Library ◽

Inclusion Criteria ◽

Patient Demographics ◽

Intervention Patient ◽

Pooled Sample

Objectives: Salivary gland dysfunction as a consequence of radioiodide ablation is present in as many as two-thirds of patients, and unfortunately, many of these individuals do not respond to conservative measures. Sialendoscopy as a minimally invasive therapeutic modality may have utility in the treatment of radioiodide induced sialadenitis (RAIS). Our aim was to explore whether sialendoscopy resulted in clinical improvement in patients with RAIS. Methods: A systematic review of studies on sialendoscopy for RAIS was conducted using MEDLINE database, Embase, and Cochrane Library. The outcomes of interest included the proportion of patients demonstrating clinical improvement after intervention, patient demographics, radiation dose, specific procedural variations, specific salivary gland, failure rate, and recurrence. Results: Eight studies met inclusion criteria. Data reviewed showed an increased predilection of parotid sialadenitis relative to submandibular gland sialadenitis. All but 2 studies employed sialendoscopy only after failure of conservative measures. An overall rate of clinical improvement ranging from 75% to 100% was reported. Conclusion: This systematic review encompassing 122 patients represents the largest pooled sample to date of patients undergoing sialendoscopy for RAIS. Sialendoscopy represents an invaluable minimally invasive modality that may obviate the need for more invasive surgery as intervention was associated with a high success rate.

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Looking beyond the obvious: a critical systematic review and meta-analyses of risk factors for fertility problems in a globalized world

10.1101/2021.05.06.21256676 ◽

2021 ◽

Author(s):

Rasha R Bayoumi ◽

Jacky Boivin ◽

Human M Fatemi ◽

Lisa Hurt ◽

Gamal I Serour ◽

...

Keyword(s):

Risk Factors ◽

Systematic Review ◽

Global Health ◽

Neonatal Death ◽

Cochrane Library ◽

Reproductive Process ◽

Increased Risk ◽

Fertility Problems ◽

Meta Analyses ◽

The Impact

Background: Well-established risk factors for fertility problems such as smoking have been included in fertility awareness efforts globally. However, these efforts neglect risks that women in low and middle-income countries (LMIC) face. Objective: To address this gap, we identified eight risk factors affecting women in LMIC and the aim of the current review was to estimate the impact of these risks on fertility. Methods: We conducted systematic reviews and where data was available meta-analyses. We searched Medline, Embase, Cochrane library, regional databases and key organizational websites (1946-June 2016, updated January 2018, latest update taking place in 2021). Two researchers screened and extracted data independently. We included all study designs that assessed exposure to risk in clinical or community-based samples and excluded studies without control groups. The outcome of interest was fertility problems (inability to achieve pregnancy or live birth and neonatal death). We calculated pooled effect estimates from reported effect sizes or raw data. We assessed study quality using the Newcastle-Ottawa Scale. We registered the review with PROSPERO, registration number CRD42016048497. Results: We identified 2,418 studies and included 61 (57 in meta-analyses). Results revealed a nine-fold increased risk of inability to become pregnant in genital tuberculosis (OR 8.91, CI 1.89-42.12) and almost threefold in HIV (OR 2.93, CI 1.95-4.42) and bacterial vaginosis (OR 2.81, CI 1.85-4.27). A twofold increased risk of tubal-factor infertility in Female Genital Mutilation/Cutting [Type II/III] (OR 2.06, CI 1.03-4.15) and increased post-natal mortality in consanguinity (stillbirth, OR 1.28, CI 1.04-1.57; neonatal death, OR 1.57, CI 1.22-2.02). Strength and limitations: Reliability of results was bolstered by a rigorous systematic review methodology that is replicable but limited by methodological shortcomings of the available primary studies and the small number of studies in each meta-analysis. Conclusions: The risk factors investigated appeared to impact the reproductive process through multiple biological, behavioural, and clinical pathways. Additionally, infection and pelvic inflammatory disease seemed to be common pathways for several risk factors. The complex multifactorial risk profile can be addressed by LMIC using a global health framework to determine which risk factors are significant to their populations and how to tackle them. The subsequent health promotion encompassing these relevant health indicators could translate into more prevention and effective early detection of fertility problems in LMIC. Finally, the findings of multifactorial risk reinforced the need to put fertility as an agenda in global health initiatives.

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GRADING prognostic factors for severe and recurrent Clostridioides difficile infection: expected and unexpected findings. A systematic review.

10.1101/2021.06.22.21259313 ◽

2021 ◽

Author(s):

Tessel Meike van Rossen ◽

Rogier E. Ooijevaar ◽

Christina M.J.E. Vandenbroucke-Grauls ◽

Olaf M. Dekkers ◽

Ed J. Kuijper ◽

...

Keyword(s):

Risk Factors ◽

Systematic Review ◽

Prognostic Factors ◽

Laboratory Data ◽

Final Analysis ◽

Cochrane Library ◽

Case Control Studies ◽

Clostridioides Difficile ◽

Increased Risk ◽

Clostridioides Difficile Infection

Background Clostridioides difficile infection (CDI), its subsequent recurrences (rCDI), and severe CDI (sCDI) provide a significant burden for both patients and the healthcare system. Treatment consists of oral antibiotics. Fidaxomicin, bezlotoxumab and fecal microbiota transplantion (FMT) reduce the number of recurrences compared to vancomycin, but are more costly. Identifying patients diagnosed with initial CDI who are at increased risk of developing sCDI/rCDI could lead to more cost-effective therapeutic choices. Objectives In this systematic review we aimed to identify clinical prognostic factors associated with an increased risk of developing sCDI or rCDI. Methods PubMed, Embase, Emcare, Web of Science and COCHRANE Library databases were searched from database inception through March, 2021. Study selection was performed by two independent reviewers on the basis of predefined selection criteria; conflicts were resolved by consensus. Cohort and case-control studies providing an analysis of clinical or laboratory data to predict sCDI/rCDI in patients ≥18 years diagnosed with CDI, were included. Risk of bias was assessed with the Quality in Prognostic Research (QUIPS) tool and the quality of evidence by the Grading of Recommendations Assessment, Development and Evaluation (GRADE) tool, modified for prognostic studies. Overview tables of prognostic factors were constructed to assess the number of studies and the respective direction of an association (positive, negative, or no association). Results and conclusions 136 studies were included for final analysis. Higher age and the presence of multiple comorbidities were prognostic factors for sCDI. Identified risk factors for rCDI were higher age, healthcare-associated CDI, prior hospitalization, PPIs started during/after CDI diagnosis and previous rCDI. Some variables that were found as risk factors for sCDI/rCDI in previous reviews were not confirmed in the current review, which can be attributed to differences in methodology. Risk stratification for sCDI/rCDI may contribute to a more personalized and optimal treatment for patients with CDI.

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Prevalence and Risk Factors for Spasticity After Stroke: A Systematic Review and Meta-Analysis

Frontiers in Neurology ◽

10.3389/fneur.2020.616097 ◽

2021 ◽

Vol 11 ◽

Author(s):

Huangling Zeng ◽

Jian Chen ◽

Yang Guo ◽

Sheng Tan

Keyword(s):

Risk Factors ◽

Systematic Review ◽

Observational Studies ◽

Hemorrhagic Stroke ◽

Meta Analysis ◽

Cochrane Library ◽

Stroke Patients ◽

Pooled Prevalence ◽

Severe Spasticity

Background: Spasticity is a common sequela of stroke. The incidence of poststroke spasticity (PSS) has not been systematically reviewed in recent years, and some risk factors remain debated. This systematic review and meta-analysis was conducted to determine the prevalence and risk factors for PSS.Methods: We searched electronic databases (PubMed, Embase, Cochrane Library, CNKI, WANFANG and CBM) inception to May 12, 2020. Observational studies summarizing the incidence or risk factors for PSS were included. Only cohort studies were enrolled in meta-analysis. For risk factors examined in at least three different studies, we combined effects into odds ratios (OR) and 95% confidence intervals (CI).Results: One thousand four hundred sixty-seven studies were retrieved and 23 were involved in meta-analysis. The pooled prevalence of spasticity after stroke was 25.3% and that after the first-ever stroke was 26.7%. The incidence of spasticity after the first-ever stroke with paresis was 39.5%. The prevalence of disabling or severe spasticity (MAS ≥ 3) in stroke patients with paresis was 9.4% (95% CI 0.056–0.133), and severe spasticity was 10.3% (95% CI 0.058–0.149). Moderate to severe paresis (OR = 6.573, 95% CI 2.579–16.755, I2 = 0.0%), hemorrhagic stroke (OR = 1.879, 95% CI 1.418–2.490, I2 = 27.3%) and sensory disorder were risk factors for PSS.Conclusions: The incidence of PSS was significantly higher in stroke patients with paresis. Patients with moderate to severe paresis and sensory disorder should be closely followed up. The role of hemorrhagic stroke in predicting PSS remains to be further explored.

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Risk factors for mental illness in adults with atopic eczema or psoriasis: protocol for a systematic review

BMJ Open ◽

10.1136/bmjopen-2020-038324 ◽

2020 ◽

Vol 10 (12) ◽

pp. e038324

Author(s):

Elizabeth I Adesanya ◽

Yochai Schonmann ◽

Joseph F Hayes ◽

Rohini Mathur ◽

Amy R Mulick ◽

...

Keyword(s):

Risk Factors ◽

Systematic Review ◽

Mental Illness ◽

Atopic Eczema ◽

Skin Diseases ◽

Grey Literature ◽

Evaluation Framework ◽

Mental Illnesses ◽

Cochrane Library ◽

Increased Risk

IntroductionEvidence indicates that people with the common inflammatory skin diseases atopic eczema or psoriasis are at increased risk of mental illness. However, the reasons for the relationship between skin disease and common mental disorders (ie, depression and anxiety) or severe mental illnesses (ie, schizophrenia, bipolar disorder and other psychoses) are unclear. Therefore, we aim to synthesise the available evidence regarding the risk factors for mental illness in adults with atopic eczema or psoriasis.Methods and analysisWe will conduct a systematic review of randomised controlled trials, cohort, case–control and cross-sectional studies. We will search the following databases from inception to March 2020: Medline, Embase, Global Health, Scopus, the Cochrane Library, Web of Science, Base, PsycInfo, the Global Resource of Eczema Trials, and the grey literature databases Open Grey, PsycExtra and the New York Academy of Medicine Grey Literature Report. We will also search the bibliographies of eligible studies and relevant systematic reviews to identify additional relevant studies. Citation searching of large summary papers will be used to further identify relevant publications. Two reviewers will initially review study titles and abstracts for eligibility, followed by full text screening. We will extract data using a standardised data extraction form. We will assess the risk of bias of included studies using the Quality in Prognosis Studies tool. We will synthesise data narratively, and if studies are sufficiently homogenous, we will consider a meta-analysis. We will assess the quality of the evidence using the Grading of Recommendations, Assessment, Development and Evaluation framework.Ethics and disseminationEthical approval is not required for a systematic review. Results of the review will be published in a peer-reviewed journal and disseminated through conferences.PROSPERO registration numberCRD42020163941.

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Occupational and environmental risk factors of idiopathic pulmonary fibrosis: a systematic review and meta-analyses

Scientific Reports ◽

10.1038/s41598-021-81591-z ◽

2021 ◽

Vol 11 (1) ◽

Author(s):

Yeonkyung Park ◽

Chiwon Ahn ◽

Tae-Hyung Kim

Keyword(s):

Risk Factors ◽

Systematic Review ◽

Idiopathic Pulmonary Fibrosis ◽

Pulmonary Fibrosis ◽

Environmental Risk ◽

Environmental Risk Factors ◽

Cochrane Library ◽

Wood Dust ◽

Increased Risk ◽

Metal Dust

AbstractIdiopathic pulmonary fibrosis (IPF) is a chronic, progressive, fibrosing interstitial lung disease of unknown cause. It has a high risk of rapid progression and mortality. We conducted a systematic review and meta-analysis to evaluate the risk factor of IPF. We searched Medline, Embase, and the Cochrane library from the earliest record to March, 2020. Case–control studies on occupational and environmental risk factors or on jobs with a risk of IPF were searched for. From 2490 relevant records, 12 studies were included. Any occupational or environmental exposure to metal dust (OR 1.83, 95% CI 1.15–2.91, I2 = 54%), wood dust (OR 1.62 5% CI 1.04–2.53, I2 = 5%) and pesticide (OR 2.07, 95% CI 1.24–3.45, I2 = 0%) were associated with an increased risk of IPF. Farming or agricultural work (OR 1.88, 95% CI 1.17–3.04, I2 = 67%) was also associated with an increased risk of IPF. Moreover, smoking increased IPF risk with an odds ratio of 1.39 (95% CI 1.01–1.91, I2 = 29%). In conclusion, metal dust, wood dust, pesticide, occupational history of farming or agriculture and ever smoking increased the risk of IPF.

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Risk factors for postoperative stroke in adults patients with moyamoya disease: a systematic review with meta-analysis

10.21203/rs.2.304/v2 ◽

2019 ◽

Author(s):

Wei Wei ◽

Xin Chen ◽

Yu Jun ◽

Xuqin Li

Keyword(s):

Risk Factors ◽

Systematic Review ◽

Postoperative Complications ◽

Moyamoya Disease ◽

Meta Analysis ◽

Age At Onset ◽

Adult Patients ◽

Cochrane Library ◽

Postoperative Stroke ◽

Increased Risk

Abstract Background This systematic review and meta-analysis aimed to clarify the risk factors for postoperative stroke in adult patients with moyamoya disease (MMD). Methods We comprehensively searched MEDLINE/PubMed, Web of Science, and Cochrane Library for eligible published literature with regard to the risk factors and postoperative complications in adult patients with MMD. Statistical analysis was conducted using Stata version 12.0. Pooled odds ratio (OR) with 95% confidence interval (CI) were assessed for each risk factor. Results There were 8 studies encompassing 1649 patients who underwent surgery with MMD were selected for analysis. Preoperative ischemic event significantly increase the risk of postoperative stroke events (OR=1.40; 95%CI=1.02–1.92; P=0.039). PCA involvement correlate with an increased risk of post-infarction (OR=4.60; 95%CI=2.61–8.11; P=0.000). Compared to direct bypass, patients who underwent indirect bypass or combined bypass could significantly increase the risk of postoperative stroke events. (OR=1.17; 95%CI=1.03–1.33; p=0.017). MMD patients with diabetes were associated with an increased risk of postoperative stroke events (OR=4.02, 95% CI=1.59-10.16; p=0.003). MMD patients with hypertension, age at onset and male sex were not associated with an increased risk of postoperative stroke events (P>0.05). Conclusions This systematic review and meta-analysis indicated that preoperative ischemic events, PCA involvement and diabetes were independent risk factors for postoperative stroke in MMD patients. Therefore, in order to ensure the curative effect of patients with MMD, it is very necessary to detect these risk factors and prevent postoperative complications in time.

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Meta-analysis of proton pump inhibitors induced risk of community-acquired pneumonia

International Journal for Quality in Health Care ◽

10.1093/intqhc/mzaa041 ◽

2020 ◽

Vol 32 (5) ◽

pp. 292-299 ◽

Cited By ~ 2

Author(s):

Phung Anh Nguyen ◽

Mohaimenul Islam ◽

Cooper J Galvin ◽

Chih-Cheng Chang ◽

Soo Yeon An ◽

...

Keyword(s):

Systematic Review ◽

Random Effects ◽

Proton Pump Inhibitors ◽

Proton Pump ◽

Observational Studies ◽

Meta Analysis ◽

Community Acquired Pneumonia ◽

Cochrane Library ◽

High Dose ◽

Increased Risk

Abstract Purpose Proton pump inhibitors (PPIs), one of the most widely used medications, are commonly used to suppress several acid-related upper gastrointestinal disorders. Acid-suppressing medication use could be associated with increased risk of community-acquired pneumonia (CAP), although the results of clinical studies have been conflicting. Data sources A comprehensive search of MEDLINE, EMBASE and Cochrane library and Database of Systematic Reviews from the earliest available online year of indexing up to October 2018. Study selection We performed a systematic review and meta-analysis of observational studies to evaluate the risk of PPI use on CAP outcomes. Data extraction Included study location, design, population, the prevalence of CAP, comparison group and other confounders. We calculated pooled odds ratio (OR) using a random-effects meta-analysis. Results of data synthesis Of the 2577 studies screening, 11 papers were included in the systematic review and 7 studies with 65 590 CAP cases were included in the random-effects meta-analysis. In current PPI users, pooled OR for CAP was 1.86 (95% confidence interval (CI), 1.30–2.66), and in the case of recent users, OR for CAP was 1.66 (95% CI, 1.22–2.25). In the subgroup analysis of CAP, significance association is also observed in both high-dose and low-dose PPI therapy. When stratified by duration of exposure, 3–6 months PPIs users group was associated with increased risk of developing CAP (OR, 2.05; 95% CI, 1.22–3.45). There was a statistically significant association between the PPI users and the rate of hospitalization (OR, 2.59; 95% CI, 1.83–3.66). Conclusion We found possible evidence linking PPI use to an increased risk of CAP. More randomized controlled studies are warranted to clarify an understanding of the association between PPI use and risk of CAP because observational studies cannot clarify whether the observed epidemiologic association is a causal effect or a result of unmeasured/residual confounding.

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Use of Antibiotics and Risk of Cancer: A Systematic Review and Meta-Analysis of Observational Studies

Cancers ◽

10.3390/cancers11081174 ◽

2019 ◽

Vol 11 (8) ◽

pp. 1174 ◽

Cited By ~ 8

Author(s):

Fausto Petrelli ◽

Michele Ghidini ◽

Antonio Ghidini ◽

Gianluca Perego ◽

Mary Cabiddu ◽

...

Keyword(s):

Systematic Review ◽

Observational Studies ◽

Meta Analysis ◽

Antibiotic Use ◽

Cochrane Library ◽

Cancer Occurrence ◽

Incident Cancer ◽

Increased Risk ◽

The Cochrane Library ◽

Risk Of Cancer

The association between antibiotic use and risk of cancer development is unclear, and clinical trials are lacking. We performed a systematic review and meta-analysis of observational studies to assess the association between antibiotic use and risk of cancer. PubMed, the Cochrane Library and EMBASE were searched from inception to 24 February 2019 for studies reporting antibiotic use and subsequent risk of cancer. We included observational studies of adult subjects with previous exposure to antibiotics and available information on incident cancer diagnoses. For each of the eligible studies, data were collected by three reviewers. Risk of cancer was pooled to provide an adjusted odds ratio (OR) with a 95% confidence interval (CI). The primary outcome was the risk of developing cancer in ever versus non-antibiotic users. Cancer risk’s association with antibiotic intake was evaluated among 7,947,270 participants (n = 25 studies). Overall, antibiotic use was an independent risk factor for cancer occurrence (OR 1.18, 95%CI 1.12–1.24, p < 0.001). The risk was especially increased for lung cancer (OR 1.29, 95%CI 1.03–1.61, p = 0.02), lymphomas (OR 1.31, 95%CI 1.13–1.51, p < 0.001), pancreatic cancer (OR 1.28, 95%CI 1.04–1.57, p = 0.019), renal cell carcinoma (OR 1.28, 95%CI 1.1–1.5, p = 0.001), and multiple myeloma (OR 1.36, 95%CI 1.18–1.56, p < 0.001). There is moderate evidence that excessive or prolonged use of antibiotics during a person’s life is associated with slight increased risk of various cancers. The message is potentially important for public health policies because minimizing improper antibiotic use within a program of antibiotic stewardship could also reduce cancer incidence.

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Risk Factors for Acute Kidney Injury in Critically Ill Neonates: A Systematic Review and Meta-Analysis

Frontiers in Pediatrics ◽

10.3389/fped.2021.666507 ◽

2021 ◽

Vol 9 ◽

Author(s):

Qian Hu ◽

Shao-Jun Li ◽

Qian-Ling Chen ◽

Han Chen ◽

Qiu Li ◽

...

Keyword(s):

Risk Factors ◽

Systematic Review ◽

Acute Kidney Injury ◽

Critically Ill ◽

Apgar Score ◽

Meta Analysis ◽

Kidney Injury ◽

Cochrane Library ◽

Increased Risk ◽

Critically Ill Neonates

Background and Objective: Acute kidney injury (AKI) is recognized as an independent risk factor for mortality and long-term poor prognosis in neonates. The objective of the study was to identify the risk factors for AKI in critically ill neonates to provide an important basis for follow-up research studies and early prevention.Methods: The PubMed, Embase, Web of Science, Cochrane Library, China National Knowledge Infrastructure, WanFang Med, SinoMed, and VIP Data were searched for studies of risk factors in critically ill neonates. Studies published from the initiation of the database to November 19, 2020, were included. The quality of studies was assessed by the Newcastle-Ottawa Scale and the Agency for Healthcare Research and Quality (AHRQ) checklist. The meta-analysis was conducted with Stata 15 and drafted according to the guidelines of the Preferred Reporting Items for Systematic reviews and Meta-Analyses (PRISMA) statement.Results: Seventeen studies (five cohort studies, ten case-control studies, and two cross-sectional studies) were included in meta-analysis, with 1,627 cases in the case group and 5,220 cases in the control group. The incidence of AKI fluctuated from 8.4 to 63.3%. Fifteen risk factors were included, nine of which were significantly associated with an increased risk of AKI in critically ill neonates: gestational age [standardized mean difference (SMD) = −0.31, 95%CI = (−0.51, −0.12), P = 0.002], birthweight [SMD = −0.37, 95%CI = (−0.67, −0.07), P = 0.015], 1-min Apgar score [SMD = −0.61, 95%CI = (−0.78, −0.43), P = 0.000], 5-min Apgar score [SMD = −0.71, 95%CI = (−1.00, −0.41), P = 0.000], congenital heart disease (CHD) [odds ratio (OR) = 2.94, 95%CI = (2.08, 4.15), P = 0.000], hyperbilirubinemia [OR = 2.26, 95%CI = (1.40, 3.65), P = 0.001], necrotizing enterocolitis (NEC) [OR = 6.32, 95%CI = (2.98, 13.42), P = 0.000], sepsis [OR = 2.21, 95%CI = (1.25, 3.89), P = 0.006], and mechanical ventilation [OR = 2.37, 95%CI = (1.50, 3.75), P = 0.000]. Six of them were not significantly associated with AKI in critically ill neonates: age [SMD = −0.25, 95%CI = (−0.54, 0.04), P = 0.095], male sex [OR = 1.10, 95%CI =(0.97, 1.24), P = 0.147], prematurity [OR = 0.90, 95%CI(0.52, 1.56), P = 0.716], cesarean section [OR = 1.52, 95%CI(0.77, 3.01), P = 0.234], prenatal hemorrhage [OR = 1.41, 95%CI = (0.86, 2.33), P = 0.171], and vancomycin [OR = 1.16, 95%CI = (0.71, 1.89), P = 0.555].Conclusions: This meta-analysis provides a preliminary exploration of risk factors in critically ill neonatal AKI, which may be useful for the prediction of AKI.Systematic Review Registration: PROSPERO (CRD42020188032).

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