Unilateral diaphragmatic paralysis treated successfully by plication

Unilateral diaphragmatic paralysis is rare and usually due to interrupted p hrenic nerve conduction of impulses. The idiopathic form is the most common and viral infection has been suggested as the cause. Generally, clinical r epercussions are few but may be severe in some cases. We report a case of u nilateral diaphragmatic paralysis that was successfully treated by plicatio n of the diaphragm affected.