Regression Analysis of Preoperative Chest Radiographs to Predict Intraoperative Location of Esophageal Foreign Body (Coin) in Pediatric Patients
DOI:
https://doi.org/10.32412/pjohns.v39i2.2165Keywords:
foreign body, foreign object, foreign objects, foreign body ingestion, coin ingestion, esophagus, esophagoscope, esophagoscopic surgery, esophagoscopic surgical proceduresAbstract
Objectives: To provide a guide to estimate the location of coins within the esophagus based on the pre-operative radiographic image among pediatric patients seen at the East Avenue Medical Center Department of Otorhinolaryngology – Head and Neck Surgery (ORL-HNS) between January 2018 and December 2020.
Methods:
Design: Retrospective Case Series
Setting:Tertiary Government Training Hospital
Participants: The records of 99 pediatric patients aged 6 months to 13 years who were diagnosed with esophageal foreign body (coin) impaction and underwent rigid esophagoscopy from January 2018 to December 2020 were retrospectively reviewed.
Results: A predictive model was derived from the data using linear regression analysis. The model shows that we can predict the intraoperative location of coin within the esophagus if provided with the patient’s age and vertebral level of the coin on chest radiograph. Prediction values were reported for patients in three age categories (less than 3 years old, 3 to 7 years old, 8 to 13 years old), at 10 radiographic locations (C2, C4, C5, C6, C7, T1, T2, T3, T7, T8), except for these (C1, C3, T4-T6) because of lack of data. For example, the table predicts that a coin will be located 13 cm (or between 11.4cm to 14.8cm) from the central maxillary incisors (CMI) intraoperatively if the coin was located at level C6 vertebrae on chest radiograph, for patients less than 3 years old.
Conclusion:This study provides a novel guide that may serve as a practical tool for ENT surgeons to estimate the intraoperative location of coin foreign bodies in the esophagus of pediatric patients based on preoperative radiographic imaging.
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