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Transcript of Ch20.Hbo.fmt
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2005 FA Davis, Inc.
Hyperbaric Oxygen
Therapy
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Description
Exposes the patient(or an extremity) toa:
High breathableoxygen environment
High air pressure
Saturates blood with
oxygen
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Used For
Wound healing
Soft tissue healing* Sprains
Strains Contusions
Inflammation
Delayed onset muscle soreness
Following cerebral strokes Treatment of the Bends* Efficacy as not been substantiated
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Theory
High air pressure decreases the size of gasbubbles in the blood
2 to 3 times that of normal air pressure
High oxygen (100%) intake saturates theblood plasmawith oxygen
Net increase in oxygen delivered to healing
tissues Decreases hypoxia
Increases phagocytic and fibroblastic activity
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Biophysical Effects
Blood Flow
Increased oxygen levels causevasoconstriction
Net increase in oxygen delivered to thetissues
Maybe especially beneficial to avascular
structures: Achilles tendon
Rotator cuff
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Biophysical Effects
Wound Healing
Improved by:
Oxygen accelerating phagocytosis
Decreasing hypoxia
Antimicrobial effect
Increased ATP levels
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Biophysical Effects
Tissue Regeneration
Improved wound healing assists tissueregeneration
Increased rate of fibroblast proliferation
Also used for:
Fracture healing
Reducing delayed onset muscle soreness
Lacking clinical evidence
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Precautions
Hyperbaric oxygen therapy should only beadministered by trained personnel
Too great of pressure may rupture thetympanic membrane
Increased risk with an inner ear infection
Decongestants may help prevent this
Can increase the output of bodily gasses
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Contraindications
Pregnancy
Inner ear infection
Tympanic membrane rupture
Upper respiratory infection
Sinus conditions
Lung disease
Asthma
Seizure disorders
Optic neuritis
Pneumothorax
Claustrophobia
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Instrumentation
Chamber
May hold one or morepeople
Oxygen Administration
Treatments administeredat 95 to 100% O2
Oxygen delivered via anair mask
Pressure Adjusts the chamber
temperature from 1 to 3atmospheres
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Instrumentation
Topical Administration
Wounds: Patch is applied over the
area
Extremity Appliance is placed over
the extremity
100% oxygen is used toinflate the device
In some cases the patientwill breath 95 to 100%oxygen
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Treatment Duration
Using 100% oxygen and 2.5 atmospheres:
90 to 100 minutes
Or
3 30-minute session
The patient is exposed to normal air and airpressures between sessions
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Maintenance
After Each Use:
Clean the interior of the chamber
Clean or replace the oxygen maskAs Indicated:
A qualified technician should:
Calibrate the pressure gauge Inspect and repair the unit