{"title":"The intricate interrelationship of cochlear aperture and internal auditory canal diameter in pediatric normal petrous structures","authors":"Diksha Kumari , Richi Sinha , Umakant Prasad , Rakesh Kumar Singh","doi":"10.1016/j.ijporl.2025.112296","DOIUrl":"10.1016/j.ijporl.2025.112296","url":null,"abstract":"<div><h3>Purpose</h3><div>The cochlear aperture and internal auditory canal dimensions play a pivotal role in cochlear nerve health, yet their normative data exhibit significant variability. This study seeks to establish definitive normative ranges for these dimensions and investigate their interrelationship in the context of normally developed pediatric temporal bones.</div></div><div><h3>Methods</h3><div>This prospective study included seventy-eight children under fifteen years, diagnosed with bilateral severe-to-profound sensorineural hearing loss and free from temporal bone deformities. Utilizing high-resolution computed tomography scans, we measured the diameters of the cochlear aperture at the mid-modiolar level and the internal auditory canal at the porus, midsection, and fundus. The associations between these dimensions were analyzed using Spearman's rank correlation and linear regression.</div></div><div><h3>Results</h3><div>The mean cochlear aperture diameter was 2.16 mm, while the internal auditory canal diameters at the porus, midsection, and fundus were 6.60 mm, 4.27 mm, and 3.88 mm, respectively. Significant positive correlations were observed between the cochlear aperture and internal auditory canal diameters at the midsection (rs = 0.246, p = 0.029) and fundus (rs = 0.338, p = 0.002), as well as the average internal auditory canal diameter (rs = 0.233, p = 0.039). Regression analysis indicated that the internal auditory canal diameter at the fundus explained 17.5 % of the variance in cochlear aperture diameter (β = 0.179, p < 0.001).</div></div><div><h3>Conclusion</h3><div>This study established normative ranges for cochlear aperture and internal auditory canal dimensions in children, addressing past variability. These findings support cochlear implant planning, with a regression model offering a noninvasive tool to estimate cochlear aperture size. We also identified a unique, significant correlation between the two, highlighting a shared developmental pathway.</div></div>","PeriodicalId":14388,"journal":{"name":"International journal of pediatric otorhinolaryngology","volume":"192 ","pages":"Article 112296"},"PeriodicalIF":1.2,"publicationDate":"2025-03-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143576768","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Özge Kaba , Cansu Badem Kaya , Semih Tekin , Şahin Öğreden , Canan Caymaz
{"title":"A remarkable increase in pediatric mastoiditis cases and changing management: A one-year single center experience","authors":"Özge Kaba , Cansu Badem Kaya , Semih Tekin , Şahin Öğreden , Canan Caymaz","doi":"10.1016/j.ijporl.2025.112295","DOIUrl":"10.1016/j.ijporl.2025.112295","url":null,"abstract":"","PeriodicalId":14388,"journal":{"name":"International journal of pediatric otorhinolaryngology","volume":"192 ","pages":"Article 112295"},"PeriodicalIF":1.2,"publicationDate":"2025-03-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143592660","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Mutation spectrum of GJB2, SLC26A4 and mtDNA12SrRNA genes in non-syndromic hearing loss patients from Gansu, China","authors":"Shihong Duan, Yuan Hou, Yong Li, Yufen Guo","doi":"10.1016/j.ijporl.2025.112298","DOIUrl":"10.1016/j.ijporl.2025.112298","url":null,"abstract":"<div><h3>Objective</h3><div>This study examined the mutation spectrum and frequency of three prevalent pathogenic genes in patients with non-syndromic hearing loss (NSHL) from Gansu Province, China.</div></div><div><h3>Methods</h3><div>We analyzed 452 NSHL patients from five special education schools across several cities in Gansu Province using SNPscan technology to determine the mutation spectrum of <em>mtDNA 12S rRNA</em>, <em>GJB2</em>, and <em>SLC26A4</em> genes.</div></div><div><h3>Results</h3><div>Among the 452 patients evaluated, mutations in the <em>GJB2</em> gene were observed in 91 cases (20.13 %), mutations in the <em>SLC26A4</em> gene in 81 cases (17.92 %), and homoplasmic mutations in mtDNA 12S rRNA in 26 cases (5.75 %). Significant differences in <em>GJB2</em> mutations were observed between Han patients and those of Hui, Tibetan and Mongolian ethnicity (χ<sup>2</sup> = 4.554, p = 0.033; χ<sup>2</sup> = 3.987, p = 0.046; χ<sup>2</sup> = 4.041, p = 0.044), as well as in <em>SLC26A4</em> gene mutations between Han patients and both Hui and Tu patients (χ<sup>2</sup> = 4.247, p = 0.039; p = 0.035, two-sided). <em>MT-RNR1</em> mutations were exclusively identified in Tibetans, Han, and Hui patients.</div></div><div><h3>Conclusion</h3><div>Our findings demonstrate variations in the mutation spectra of the <em>GJB2</em>, <em>SLC26A4</em>, and <em>mtDNA 12S rRNA</em> genes across different ethnic groups, highlighting ethnic variations in mutation prevalence. This study expands the understanding of the genetic mutation spectrum associated with deafness in Gansu and supports the enhancement of molecular diagnostic accuracy for diverse ethnic populations in the region.</div></div>","PeriodicalId":14388,"journal":{"name":"International journal of pediatric otorhinolaryngology","volume":"191 ","pages":"Article 112298"},"PeriodicalIF":1.2,"publicationDate":"2025-03-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143549920","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Ethan G. Muhonen , Austin Zhu , Sera Sempson , Samantha Bothwell , Scott D. Sagel , Kenny H. Chan
{"title":"Management of middle ear disease in pediatric primary ciliary dyskinesia","authors":"Ethan G. Muhonen , Austin Zhu , Sera Sempson , Samantha Bothwell , Scott D. Sagel , Kenny H. Chan","doi":"10.1016/j.ijporl.2025.112297","DOIUrl":"10.1016/j.ijporl.2025.112297","url":null,"abstract":"<div><h3>Introduction</h3><div>Primary ciliary dyskinesia (PCD) adversely affects the middle ear from early childhood resulting in otitis media with effusion (OME) and conductive hearing loss (CHL). Chronic otorrhea and tympanic membrane (TM) perforation are serious postoperative complications from tympanostomy tube (TT) placement. Management of OME and CHL has been debated for decades. This study reports on a proposed management schema for the middle ear in individuals with PCD.</div></div><div><h3>Methods</h3><div>A pediatric PCD cohort was retrospectively reviewed at Children's Hospital Colorado (CHCO) using electronic health record systems. Paired middle-ear/audiologic data for all subjects at their most recent CHCO visits were organized in a 4-age-group grid to compare clinical/audiologic outcomes between no-TT and TT subgroups.</div></div><div><h3>Results</h3><div>68 PCD subjects with middle-ear and audiologic data were tabulated. No-TT and TT subgroup comparisons showed no difference in clinical (normal TM and OME prevalence) and hearing [CHL percentage and pure-tone average (PTA)] outcomes across 4 age-groups except for higher percentage of normal TM (10 to <15 years category; p = 0.006) and fewer hearing loss ears (≥15 years category; p = 0.008), both favoring the no-TT subgroup. There were 9/13 (subjects/ears) in the TT subgroup with TM perforations, and a total of 130 sets of TT and other medical/surgical procedures were performed in this sub-cohort.</div></div><div><h3>Conclusion</h3><div>Children with PCD have a high prevalence of otologic complications. A schema is proposed to restrict the indications for TT placement and guide active management of CHL with the goal of preventing adverse sequalae of OME and achieving best clinical outcomes.</div></div>","PeriodicalId":14388,"journal":{"name":"International journal of pediatric otorhinolaryngology","volume":"192 ","pages":"Article 112297"},"PeriodicalIF":1.2,"publicationDate":"2025-03-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143576767","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Nihal Hisham Abdelhamid , Mohammad Mostafa Gaballah , Moataz Abdel Baky , Rahma Sweedy
{"title":"Cochlear Implant in Prelingual Children: Predicting the First-word Utterance from LittlEARS Auditory Questionnaire","authors":"Nihal Hisham Abdelhamid , Mohammad Mostafa Gaballah , Moataz Abdel Baky , Rahma Sweedy","doi":"10.1016/j.ijporl.2025.112294","DOIUrl":"10.1016/j.ijporl.2025.112294","url":null,"abstract":"<div><h3>Objective</h3><div>The LittlEARS Auditory Questionnaire (LEAQ) is a reliable tool for assessing children's auditory development. This study investigates the expected time for the first-word utterance in children with cochlear implant (CI) based on the LEAQ score.</div></div><div><h3>Methods</h3><div>An observational study was conducted on 94 children (50 males and 44 females) with bilateral severe to profound sensorineural hearing loss (SNHL) who underwent CI surgery at a tertiary center between January 2022 and November 2024. The study included children with prelingual hearing loss and satisfactory auditory responses post-surgery, while those with post-lingual onset or an intelligence quotient (IQ) below 85 were excluded. The LEAQ was applied every 3 months postoperatively. The total score was calculated from all ‘yes’ answers, and hearing age was determined until the child uttered their first word.</div></div><div><h3>Results</h3><div>Children were expected to utter their first word at an average LEAQ score of 11.3 ± 4.1 and an average hearing age of 0.8 ± 0.5 years. The average chronological age at first-word utterance was 4.0 ± 1.1 years, when the average implantation age was 3.3 ± 1.1 years. Significant positive correlations were found between the LEAQ score and the chronological and hearing ages at first-word utterance. The age of implantation did not significantly affect the LEAQ score.</div></div><div><h3>Conclusion</h3><div>The first-word development among CI children is predicted by the LEAQ score, influenced by the child's chronological age and duration of CI use. While the age at which the child underwent the implantation seemed to be a non-significant predictor.</div></div>","PeriodicalId":14388,"journal":{"name":"International journal of pediatric otorhinolaryngology","volume":"192 ","pages":"Article 112294"},"PeriodicalIF":1.2,"publicationDate":"2025-03-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143576769","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Jordan B. Luttrell, Chad A. Nieri, Madhu Mamidala, Anthony Sheyn
{"title":"Retraction notice to “Outcomes and considerations in children with developmental delay undergoing tonsillectomy” [Int. J. Pediatr. Otorhinolaryngol. 164 (January 2023) 111393]","authors":"Jordan B. Luttrell, Chad A. Nieri, Madhu Mamidala, Anthony Sheyn","doi":"10.1016/j.ijporl.2023.111839","DOIUrl":"10.1016/j.ijporl.2023.111839","url":null,"abstract":"","PeriodicalId":14388,"journal":{"name":"International journal of pediatric otorhinolaryngology","volume":"190 ","pages":"Article 111839"},"PeriodicalIF":1.2,"publicationDate":"2025-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139196241","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Chloe Harrington, Ibrahim Ibrahim, Hengameh Bezadpour, Alexandra Espinel, Habib Zalzal
{"title":"Corrigendum to “Efficacy of endoscopic sinus surgery in patients under six years old” [Int. J. Pediatr. Otorhinolaryngol. 188 (2025) 112213]","authors":"Chloe Harrington, Ibrahim Ibrahim, Hengameh Bezadpour, Alexandra Espinel, Habib Zalzal","doi":"10.1016/j.ijporl.2025.112256","DOIUrl":"10.1016/j.ijporl.2025.112256","url":null,"abstract":"","PeriodicalId":14388,"journal":{"name":"International journal of pediatric otorhinolaryngology","volume":"190 ","pages":"Article 112256"},"PeriodicalIF":1.2,"publicationDate":"2025-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143407948","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Leon Joseph , Shmuel Goldberg , Shlomo Cohen , Gabrielle Aschkenasy , Elie Picard
{"title":"Laryngomalacia: Not just an infant disease","authors":"Leon Joseph , Shmuel Goldberg , Shlomo Cohen , Gabrielle Aschkenasy , Elie Picard","doi":"10.1016/j.ijporl.2025.112291","DOIUrl":"10.1016/j.ijporl.2025.112291","url":null,"abstract":"<div><h3>Aim</h3><div>Laryngomalacia is the most common congenital anomaly of the larynx and is regarded as a process that resolves by the age of two years. The aim of the current study was to assess the prevalence of laryngomalacia beyond the age of 2 years, to describe its clinical characteristics and to identify risk factors.</div></div><div><h3>Methods</h3><div>We retrospectively reviewed all bronchoscopies performed over a 3 year period. We compared the prevalence of laryngomalacia between children younger and older than 2 years of age. We also compared the presenting symptoms and co-morbidities between the two age groups.</div></div><div><h3>Results</h3><div>Laryngomalacia was diagnosed in 167 (27 %) out of 618 pediatric bronchoscopies. Among the patients with laryngomalacia, 125 (75 %) were less than 2 years old and 42 (25 %) were more than 2 years old. Older children with laryngomalacia were more likely to present with snoring than stridor (44 % vs 24 %) and had more co-morbidities (48 % vs 22 %) than the younger group.</div></div><div><h3>Conclusions</h3><div>Laryngomalacia is not rare in children older than 2 years of age. Co-morbidities are reported frequently in these children. Snoring is a more common symptom in this age group. Further complementary prospective studies are necessary to confirm our observations.</div></div>","PeriodicalId":14388,"journal":{"name":"International journal of pediatric otorhinolaryngology","volume":"191 ","pages":"Article 112291"},"PeriodicalIF":1.2,"publicationDate":"2025-02-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143549918","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}