Audiological evaluation performed to patients on hyperbaric oxygen therapy to see its effects on middle ear pressure

Thirty patients will be recruited from center pf hyperbaric oxygen therapy Every patient who received HBOT was submitted for Demographic data:age,gender,condition raquiring HBOT,use of analgesics,history of diabets ,cardiovascular or respiratory disease ,psychatric illness,smoking history facial/ENT problems and previous HBOT problems then tympanometry and basic pure tone audiometry including air and bone conduction is done following each of the first five treatment

Inclusion Criteria:

• patients above 18 years old already recieving hyperbaric oxygen therapy for treatment of other medical conditions required treatment by it as in diabetic foot

Exclusion Criteria:

• patients who already had tympanostomy tubes

Measument of middle ear pressure after exposure to hyper baric oxygen therapy