Abstract - Nasopharyngeal Symptoms caused by Abnormal Inflation of the Endotracheal Tube in Patients undergoing Cervical Spine Surgery
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Alvaro José Montiel-Jarquin, Luis Enrique Romero-Morales, Rocío Porras Y López, Monica Domínguez-Cid, Eugenio García-Cano, Eugenio García-Cano, Maria Romero-Figueroa, Rodolfo Barragán-Hervella

Background: Abnormal balloon inflation of the endotracheal tube can cause nasopharyngeal symptoms. The objective is to describe Signs and Symptoms caused by the Abnormal Insufated Balloon of the Endotracheal Cannula on patients undergoing Cervical Spine Surgery under General Anesthesia.
Methods: descriptive study, 39 patients underwent cervical spine surgery under general anesthesia, all of them were older than 18 years old and ASA I and II. The pressure balloon inflation of the endotracheal tube was measured by a manual manometer VBM Medizintechnik GmbH, measurements were made at the beginning of the procedure, and every hour during the transanesthetic period. The patients underwent a questionnaire about their symptoms on the recovery area and 24 hours after extubation.
Results: 39 patients, 59% men, 41% women. Average age was 47, minimum 15 – maximum 77, SD 14.26 years old. The average pressure balloon inflation at the moment of intubation was 30.7 mmHg and at the moment of extubation was 29.07 mmHg. The symptoms presented on the Recovery Care Unit and at 24 hours were: pain, inflammation, dysphagia, foreign body sensation.
Conclusion: The pressure balloon inflation of the endotracheal cannula is important, because a pressure greater than 30mmHg produce symptoms. Changes on the patient’s position produced variations on the balloon pressure; therefore, continuous monitorization of the pressure baloon must be done.
Key words: Endotracheal Tube; Cervical Spine Surgery; Symptoms and Clinical Signs.

Volume 13, Number 3 (2016)

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