OBJECTIVE The present study aimed to investigate the vocal tract and glottal function during and after phonation into a tube and a stirring straw. METHODS A male classically trained singer was assessed. Computerized tomography (CT) was performed when the subject produced [a:] at comfortable speaking pitch, phonated into the resonance tube and when repeating [a:] after the exercise. Similar pr...

BACKGROUND The aim of this study was to detect the effect of the laryngeal mask airway (LMA) versus the endotracheal tube (ETT) on postoperative nasal bleedings in and outside the operation room (OR) after intranasal surgery. METHODS 134 patients undergoing elective intranasal surgeries were randomly allocated to receive LMA or ETT during general anesthesia. The incidence, episodes, and sever...

A 1yr old boy weighing 10 kg underwent cleft palate surgery. Post extubation, a swelling was noticed beneath the tongue which progressed gradually and obstructed airway. Small sized endotracheal tube (ETT) used as nasal airway advanced till it relieved obstruction child started maintaining SpO2 >95%. Haemodynamic parameters were stable shifted from OT to PACU where he observed vigilantly for...

We describe a new device for treating obstructive sleep apnea (OSA) which is similar to nasal CPAP, but less cumbersome. The device consists of a 7 mm diameter flexible tube terminating at one end in nasal prongs covered with foam cylinders. The foam cylinders are compressed, inserted into the nostrils and released, forming a tight seal. The other end of the catheter is attached to a compressor...

To investigate whether relevant levels of nasal nitric oxide (NO) are produced in the absence of paranasal sinuses, we studied 17 healthy baboons, mammals without any paranasal sinuses. The animals were anesthetized with ketamine hydrochloride and breathed spontaneously. While the baboons breathed through a face mask (mouths closed) connected to a respirator, NO concentrations in exhaled gas we...

Introduction  Eustachian tube (ET) dysfunction plays an important role not only in the pathophysiology of various middle ear disorders, but also in predicting the outcome of the treatment. As there is no single test that assesses both the anatomic and physiological functions of the ET, a combination of tympanometry and dynamic slow motion video endoscopy may improve the sensitivity of ET functi...

a 74 yr old woman from gonabad, southern part of khorasan razavi province of iran was admitted to a hospital of gonabad, because of respiratory distress, exertional dyspnea and fever. close contact with domes­tic animals, history of chronic obstructive pulmonary disease (copd), and completely resolved pulmonary tuberculosis (tb) in remote past, were nota­ble parts of her past medical history. d...

To the Editor: We read with interest the letter on intratracheal kinking of an endotracheal tube by Lee et al.1 The authors highlighted that, in addition to various known causes of obstruction of the endotracheal tube, intratracheal kinking at the site where the inflating lumen opens into the cuff can also cause its obstruction. Their observation is similar to that of Singh et al.2 where the au...