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Paravertebral nerve block anesthesia lends itself for the induction of regional analgesia. It has been sufficiently developed to be employed almost as a routine in a certain group of cases. The good results reported by Kroenig and Siegel in 1916, with paravertebral conductive anesthesia in a large series of abdominal and gynecologic operations, prompted me to utilize this method in patients with empyema of the chest.
It is conceded that it is somewhat hazardous to subject a patient, already in a state of lowered resistance from a suppurative pleurisy, to the risks of a general anesthetic. Some of the dangers encountered with general anesthesia are the induction of a new pathologic lesion or an extension of an existent process in the lungs. For these and many other reasons, local anesthesia is advisable in this group of cases.
Paravertebral anesthesia was first conceived by Sellheim in 1905. The object of the
SEFF I. PARAVERTEBRAL ANESTHESIA IN ACUTE SUPPURATIVE PLEURISY. JAMA. 1923;80(22):1612–1613. doi:10.1001/jama.1923.02640490032010
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