Paper Information

Title: 

INVENTION OF OSMOTIC WICK FOR NON INVASIVE DERANGE OF LIQUID FROM MID EAR

Type: POSTER
Author(s): HESHMATIAN B.*,KOMAKI A.,SHAHIDI S.,MALAKOUTI S.M.,DEHBOUREH Z.
 
 *DEPARTMENT OF PHYSIOLOGY, FACULTY OF MEDICINE, HAMADAN UNIVERSITY OF MEDICAL SCIENCES, HAMADAN, IRAN
 
Name of Seminar: IRANIAN CONGRESS OF PHYSIOLOGY AND PHARMACOLOGY
Type of Seminar:  CONGRESS
Sponsor:  PHYSIOLOGY AND PHARMACOLOGY SOCIETY, MASHHAD UNIVERSITY OF MEDICAL SCIENCE
Date:  2007Volume 18
 
 
Abstract: 

Acute inflammation of mid ear is a common disease. This disease cusses liquid aqumiulation in mid ear and hearing loss and ruptures Tympanic membrane (TM). Medical and surgical are current treatments for this problem. We surveyed the osmotic permeability of TM and probability of osmotic derange of liquid trough TM. TM of ship removed from one year old animals. Inner side of TM sidled and connected to a polyethylene (PE) tube by dental cement and another PE inserted into auditory cannel (AC). IN six cases TM kept beatwin saline and 1.3 osmolar NACL solution and volume of moved water trough TM measured. In control group TM kept beatwin saline in both sides. Osmotic wick made and inserted in AC of six patients that were suffering from mid ear inflammation and positive pressure of mid ear evaluated and compared with placebo effects. Results of this study show that TM of ship is permeable to water and amount of moved water trough TM is significantly greater in comparison whit control group (p<0.0001). Osmotic wick improves positive pressure of mid ear but placebo dose not. Based on our knowledge this study shows osmotic permeability of TM for first time. Our study resulted to invention of osmotic wick that derange liquid trough TM none invasively.

 
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