A 6-year-old girl with laryngeal papillomatosis underwent ablation of the tumors with Nd-YAG laser under microlaryngosurgery. During the surgery, she was managed with subglottic high-frequency jet ventilation using a stainless steel cannula made from a nerve block needle. It was passed through the light channel of the suspension laryngoscope and firmly affixed to it. There was no hypoxia or bar...

Introduction: Otitis externa (OE) Circumcrypt is an inflammation accompanied by furuncle growth in the outer ear with or without infection. OE events are identified swimmers other names Swimmer's Ear, because their ears moist. cases can be distinguished based on duration of action, namely acute chronic.
 Case Reports: A 21-year-old male patient came complaints pain ear, previously also fel...

introduction: cholesteatoma is traditionally diagnosed by otoscopic examination and treated by surgery. the necessity for imaging in an uncomplicated case is controversial. this study was planned to investigate the usefulness of a preoperative high-resolution computed tomography (hrct) scan in depicting the status of middle ear structures in the presence of cholesteatoma and also to compare the...

Malfunction of the unidirectional valve in a breathing circuit system may cause hypercapnia from the rebreathing of expired gas, ventilation failure, and barotrauma. Capnography is a useful method for monitoring the integrity of the unidirectional valve. We experienced two cases of malfunction of a unidirectional valve which caused leakage and reverse flow, diagnosed early as a change of the ca...

in order to study the effect of plant density and sowing date on ear economic yield and sugar content in sweet corn (zea mays l. cv. saccarata), a field experiment was conducted at tarbiat modarres university (tehran west) in 2004. the experiment was carried out using split plots based on randomized complete block design of 4 replications. four levels of sowing date (may 22th, june 10th, july 1...

to determine the correlation between grain yield and its components in some grain corn hybrids and their cause and effect relationships in various fertilizer application methods, an experiment was carried out as split plot based on randomized complete block design with two fertilizer application methods (urea foliar application and soil application method), four grain corn hybrids (ns 640, kons...