• A A Semenikhin, En Din Kim, and A A Khodzhaeva.
• Anesteziol Reanimatol. 2007 Nov 1(6):36-8.

AbstractHemodynamic changes in response to subarachnoidal injection of 1.2-1.4 mg/kg of lidocaine at various concentrations were comparatively evaluated in 106 pregnant women aged 21 to 36 years (with 53 patients in each group). All the women underwent lumbar puncture at the level of L(II)-L(IV), 1.2-1.4 mg/kg of hyperbaric lidocaine solution being subarachnoidally administered. Groups 1 and 2 patients received 2 and 5% solution of the anesthetic, respectively. At the stages of anesthesia and surgery, the investigators examined central hemodynamics, recorded the duration of a complete segmental sensomotor block and the number of blocked segments (the extent of block). No significant differences were established at the time of development of a complete sensomotor block with the use of 2% (Group 1) and 5% (Group 2) lidocaine solutions. At the same time there were 16.8 +/- 0.6 and 11.9 +/- 0.5 blocked segments in Groups 1 and 2, respectively. In Group 1, severe hemodynamic disorders to be corrected were recorded in 30.2% of the women and in Group 2, subarachnoidal administration of the same doses of lidocaine did not cause any disorders.

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