Which of the following is not an indication of secondary nerve repair:: (A) Syndrome of irritation, (B) Division of nerve by sharp object, (C) Delayed presentation of nerve injury, (D) Syndrome of incomplete interruption
Answer is B. Late repair/ Secondary repair( Repair weeks or months after the injury) , may be indicated because: (1)Closed injury was left alone but no sign of recovery is seen at the expected time; (Syndrome of incomplete interruption) (2)Diagnosis was missed and the patient presents late ( Delayed presentation) (3)Failed primary repair If there are signs of nerve irritation, secondary exploration is recommended( Syndrome of irritation) =Division of nerve by sharp object is managed by primary repair.