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Time Course of the Effects of Cervical Epidural Anesthesia on Pulmonary Function

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Cervical epidural anesthesia caused a 12-16% decrease in FEV 1 and FVC after 20 minutes.
Peak effects of analgesia were observed by 20 minutes, reaching C3 to T8 dermatomes.
Pulmonary function was assessed by measuring FEV 1, FVC, and MIP after lidocaine injection.
Motor block of the phrenic nerve was incomplete, indicating potential safety for patients without lung disease.

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Observational analysis shows pulmonary function decline with cervical epidural anesthesia in adults, suggesting further monitoring is needed.

Stevens et al. (1998) studied this question.

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Observational analysis shows pulmonary function decline with cervical epidural anesthesia in adults, suggesting further monitoring is needed.