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Eur J Cardiothorac Surg 2002;22:486-487
© 2002 Elsevier Science NL
Letter to the Editor |
Department of Surgery, M580 Health Sciences Center, University of MissouriColumbia School of Medicine, One Hospital Drive, Columbia, MO 65212, USA
Received 25 April 2002; accepted 5 June 2002.
* Corresponding author. Tel.: +1-573-882-4158; fax: +1-573-884-4585
e-mail: jonesjw{at}health.missouri.edu
We read with interest the recent article by Athanassiadi et al. on management of esophageal foreign bodies (FBs) [1]. The study retrospectively analyzes 400 cases managed over a 35-year period, with remarkably low complication rates in esophagoscopic (0.25%) FB removal [1].
Although Athanassiadi et al. note that most of their patients had difficulty swallowing, acute pain, dysphagia, excessive salivation and other symptoms characteristic of FB ingestion [1], the authors did not further analyze the associated predictive variables. The variables' correlation with the FB findings at endoscopy constitutes important clinical information. To our knowledge, only one recent study, not cited in this article, attempted to prospectively determine predictive parameters for endoscopic FB findings [2]. Immediate onset of symptoms, dysphagia, and absent pharynx localization of impaction were statistically predictive of positive endoscopic findings, with diagnostic sensitivity of 86% and specificity of 63% [2]. The benefit of analyzing these predictive variables is twofold, the first of which is more efficient anamnesis. Second, it can influence the costs associated with esophageal FB management. A recent cost analysis study of various esophageal FB management policies concluded that the expense of endoscopy is significantly greater than that of other removal methods without equivalent added benefit [3].
Athanassiadi et al.'s study leaves an impression that X-ray diagnosis is essential, based on the zero false-negative results and contrast-related complications [1]. The authors do not cite other studies that support a decision to endoscope based on clinical impressions [2,4]. X-Ray establishes the esophageal perforation diagnosis in only 85% of patients [5].
As Athanassiadi et al. conclude, rigid endoscopy is safe and effective in experienced hands [1], but most gastrointestinal endoscopists of this generation are not trained to remove FBs with rigid endoscopes. Otolaryngologists who are routinely trained to use rigid scopes are probably the best consultants in such cases, but more widespread use of flexible scopes by gastrointestinal endoscopists can be safe and cost-effective. Athanassiadi et al.'s study is valuable, calling upon a 35-year experience, to establish management guidelines for a variety of FBs appearing throughout the esophagus.
References
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