| Radiographic and endoscopic measurements of esophageal length in pediatric patients. | |
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MedLine Citation:
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PMID: 16190090 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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OBJECTIVES: Knowledge of the length between the upper esophageal sphincter (UES) and the lower esophageal sphincter (LES) in pediatric patients is essential for intraluminal impedance and dual pH probe recordings. METHODS: We measured the vertical distance between the true vocal cords (TVCs) and the LES in chest x-rays (CXRs) of 118 children (ages, 6 weeks to 13 years) and measured the vertical distance between the UES and the LES during endoscopy in 31 patients (ages, 14 months to 17 years) and correlated the measurements to height, weight, and age. RESULTS: Esophageal length correlated best with patient height (R = 0.96 by CXR, R = 0.88 by endoscopy) and less well with weight (R = 0.87, R = 0.67) and age (R = 0.94, R = 0.86). Linear regression analyses using radiographic measurements revealed that esophageal length (TVC to LES) can be estimated from a patient's height by the following equation: 1.048 + 0.167 x height (in centimeters). With the upper pH probe placed in the hypopharynx at the TVC level and the inferior probe placed in the esophagus 3 to 6 cm above the LES, the patients were divided into 6 groups corresponding to the currently available number of sizes of dual pH-impedance probes. With the patients' heights between 71.5 and 161.3 cm, 64.7% to 100% of patients were within 1 cm of the desired location with preselected probes. Confirmation of placement was performed with CXR. CONCLUSIONS: A pediatric patient's height can be used to estimate the esophageal length (TVC to LES) and facilitate the selection of dual pH-impedance probes. Our method decreases the risk of morbidity while increasing the accuracy of the study of extraesophageal reflux disease. |
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Authors:
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Grace S Yang; Warren P Bishop; Brian J Smith; Steven L Goudy; Yutaka Sato; Nancy M Bauman |
Publication Detail:
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Type: Journal Article; Research Support, Non-U.S. Gov't |
Journal Detail:
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Title: The Annals of otology, rhinology, and laryngology Volume: 114 ISSN: 0003-4894 ISO Abbreviation: Ann. Otol. Rhinol. Laryngol. Publication Date: 2005 Aug |
Date Detail:
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Created Date: 2005-09-29 Completed Date: 2005-10-20 Revised Date: 2006-11-15 |
Medline Journal Info:
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Nlm Unique ID: 0407300 Medline TA: Ann Otol Rhinol Laryngol Country: United States |
Other Details:
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Languages: eng Pagination: 587-92 Citation Subset: AIM; IM |
Affiliation:
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Department of Otolaryngology-Head and Neck Surgery University of Iowa, 200 Hawkins Dr, Iowa City, IA 52242, USA. |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Adolescent Aging Anthropometry Body Height Body Weight Child Child, Preschool Electric Impedance Endoscopy, Digestive System* Esophageal Sphincter, Lower / pathology, radiography Esophagus / pathology*, radiography* Gastroesophageal Reflux / diagnosis Humans Hydrogen-Ion Concentration Infant Linear Models Otolaryngology / methods Radiography, Thoracic* Vocal Cords / pathology, radiography |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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