External ear malformations and cardiac and renal anomalies: A systematic review and meta-analysis

Arman Ghafari, Leonardo Alaniz, Cindy Vu, Alejandra Ibarra, Medha Vallurupalli, Sierra Willens, Justin Cordero and Miles J. Pfaff

PLOS ONE, 2024, vol. 19, issue 9, 1-17

Abstract: Context: External Ear Malformations (EEM) continue to be a common malformation seen in the pediatric patient population. This study aims to further elucidate the correlation between EEM and cardiac and renal anomalies. Objective: A systematic review and meta-analysis to study the incidence of cardiac and renal anomalies associated with syndromic and isolated (EEM). Data sources: The literature search spanned multiple databases, including Google Scholar, PubMed, Scopus, Web of Science, and MEDLINE. Study selection: Studies must be focused on EEM and cardiac and/or renal anomalies. Only articles written in English were included. Data extraction: General study characteristics, number of EEM patients, number of cardiac and renal anomalies and whether cases were syndromic were extracted from the studies. Results: Of 1,058 initial studies, 33 were included for meta-analyses. Mean JBI score for all included studies was 92.06%, indicating acceptable study quality. Interrater reliability was high, with a Cohen kappa score for all studies of 0.94. The resulting pooled prevalence of cardiac abnormalities was 20% [95% CI:13–28%], while renal abnormalities were 13% [95% CI: 7–20%]. The most common anomalies were VSD (3.725%) and renal agenesis (2.04%). The presence of syndrome data across studies was not a significant modifier of prevalence rates. Limitations: Primary limitation is due to heterogeneity in individual study methodology and reporting standards. Conclusions: These results highlight a higher prevalence of cardiac-related conditions than renal anomalies in patients with both syndromic and non-syndromic EEM in the included studies, underscoring the need for thorough clinical evaluations.

Date: 2024
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0309692

DOI: 10.1371/journal.pone.0309692

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