17-07-2014, 02:58 PM
A CASE PRESENTATION ON ORGANOPHOSPHOROUS -POISONING
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AETIOLOGY
WORLDWIDE , MORTALITY RATE IS ABOUT 03%-25% EVERY YEAR
INSECTICIDES , HERBICIDES , POISONGASES , e.t.c CAN CAUSE THE ORGANOPHOSPHOROUS POISONING
PATHOPHYSIOLOGY
ORGANOPHOSPHOROUS COMPOUND INACTIVATE ACETYLCHOLINESTERASE BY ESTABLISHMENT OF COVALENTBOND WITH ACHE
- INCREASE AND ACCUMULATION OF ACH AT NERVE ENDINGS, STIMULATING NEUROEFFECTORJUNCTIONS , SKELETAL NEURO -MUSCULAR JUNCTIONS AND IN THE BRAIN
- ACH ACCUMULATES THROUGH OUT THE NERVOUS SYSTEM , RESULTING IN OVER STIMULATION OF MUSARINIC AND NICOTINIC RECEPTORS
PHARMACIST INTERVENTIONS
PEOPLE WHO ARE WORKING IN THE INDUSTRIES, e.t.c CAN PROTECT THEMSELVES BY USING MASKS FOR RESPIRATORY PROTECTION
FOLLOWING AN OCCUPATIONAL EXPOSURE PATIENT SHOULD NOT BE ALLOWED TO RETURN TO WORK UNTIL 75% OF SERUM CHOLINESTERASE ACTIVITY ATTAINED
PATIENT COUNSELLING MUST BE NECESSARY FOR THE ACCIDENTAL POISON INGESTION PATIENTS