Pain of pleural origin causes the physician great concern in the treatment of pneumonia and pulmonary infarction. It is often persistent, agonizing and exhausting. The rapid, shallow respiration which results from it does not aerate the lungs sufficiently and may promote atelectasis. Furthermore, it is the pain itself which brings the patient to the physician. Rapid relief of this pain gives the patient great confidence in the doctor. The variety of procedures suggested for the relief of pleural pain has emphasized the obstinacy of the problem. Counterirritation, adhesive strapping, the use of opiates, artificial pneumothorax and local injection of the pleura and subcutaneous tissues with procaine hydrochloride each has had its advocates.
My purpose in this report is to describe a procedure of relieving pleural pain by inducing intercostal nerve block with procaine hydrochloride. This method is simple and effective, often producing permanent relief of the pleural pain associated with