PERIPHERAL NERVE INJURY Flashcards
SEDDONS CLASSIFICATION
@NAN
NEURAPRAXIA
AXONOTMESIS
NEUROTMESIS
NEURAPRAXIA
MINOR CONTUSION OF PERIPHERAL NERVE
COMPLETE RECOVERY POSSIBLE
TINEL SIGN NEGATIVE
AXONOTMESIS
AXON BROKEN , ENDONEURIUM INTACT
TINEL SIGN POSITIVE AND PROGRESSIVE
COMPLETE RECOVERY MAY NOT BE POSSIBLE
SEEN IN CLOSED FRACTURE AND DISLOCATION
NEUROTMESIS
AXON AS WELL AS NERVE BROEN
TINEL SIGN POSITIVE AND NON PROGRESSIVE
COMPLETE RECOVERY MAY NOT BE POSSIBLE .
SEEN IN OPEN FRACTURE .
TINEL SIGN
GENERAL PERCUSSION ALONG THE COURSE OF INJURED NERVE GIVES TINGLING SENSATION IN DISTRIBUTION OF INJURED NERVE RATHER THAN THE AREA PERCUSSED
POSITIVE IN AXONOTMESIS , NEUROTMESIS
EXAMINATION
LOOK
FEEL TOUCH
MOVE
KNOCK
MEASURE
LOOK
FEEL TOUCH
MOVE
KNOCK
MEASURE
LOOK FOR ATTITUDE AND DEFORMITY
FEEL AND TOUCH = SKIN BECOMES DRY, COLD , SMOOTH , PALLOR , CYANOSIS . LOSS OF SWEATING AND SENSATION IN AUTONOMOUS ZONE
MOVE = MOTOR EXAMINATION
KNOCK = REFLEX LOST
MEASURE = WASTING OF MUSCLE AND COMPARE WITH NORMAL LIMB
INVESTIGATION
DIAGNOSTIC TEST
-ELECTROMYOGRAPHY , STRENGTH DURATION CURVE
SWEAT TEST
TINEL SIGN
SWEAT TEST
MANAGEMENT
CONSERVATIVE
OPERATIVE
CONSERVATIVE
AXILLARY - SHOULDER ABDUCTION SPLINT
RADIAL - COCK UP SPLINT
ULNAR - KNUCKLE BENDER SPLINT
COMMON PERONEAL NERVE - FOOT DROP SPLINT
BRACHIAL PLEXUS INJURY - AEROPLANE SPLINT
OPERATIVE MANAGEMENT
NERVE REPAIR
NEUROLYSIS
NEUROTINIZATION
TENDON TRANSFER
NERVE REPAIR
PRIMARY - WITHIN 6 TO 8 HOURS , IF WOUND CLEAN
DELAYED PRIMARY - WITHIN 6 TO 8 DAYS , IF WOUND CONTAMINATED
SECONDARY - AFTER 18 DAYS , IF PRESENTED LATE
TECHNIQUES OF NERVE REPAIR
PARTIAL NEURORRHAPHY
NEURORRHAPHY AND NERVE GRAFTING