Surgical Pleth Index- Relevance in Small Children

Surgical Pleth Index - Relevance in Small Children. A Randomised Double Blinded Study

Surgical Pleth index is a novel device aimed for measurement of intraoperative nosiseption. It has not been tested on small children. The aim of this study is to measure, whether there is a difference in nosiception measured by SPI in a group receiving local anesthetics prior to operation compared to group receiving plasebo.

Inclusion Criteria:

• age 0-2 years
• Elective surgery planned for inguinal hernia, or testicle retention
• Written informed consent from parent received
• ASA I-III

Exclusion Criteria:

• Exstrasystolias, known cardiac problem, medication affecting rhytm, allergy to drugs used