Age and the Spread of Local Anesthetic Solutions in the Epidural Space

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Why the study?

Does patient age affect the spread and requirements of epidural local anesthetic solutions in adult males?

Population

238 adult males

Design

Cohort

Authors

Discussion

Supports cautious epidural dosing reduction by age 40; leaves open prospective validation for age-based protocols.

Does patient age affect the spread and requirements of epidural local anesthetic solutions in adult males?

Population

238 adult males

Intervention

Epidural injection of 20 ml of 1.5% lidocaine with epinephrine (1:200,000)

Outcome

Sensory level of anesthesia and local anesthetic requirements per spinal segment per unit heightsurrogate

Epidural local anesthetic requirements decrease significantly at age 40 but do not continue to decrease with further advancing age.

PARK et al. (1981) studied this question.

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