Preventive analgesia is defined as administration of analgetics or nerve blockade before the surgical procedure. As a result of the preventive antinociceptive treatment, the quantity of post-operative medications can be decreased, the analgesia has less complications and the patients are more satisfied [1,2].

In our study we intend to examine the preventive analgetic effect a single oral dose of diclofenac.

The hypothesis of the study is that preventive analgesia by single dose of diclofenac results in 25% decrease of the postoperative VAS scores as compared to the control group.

Key words: preventive, pain, analgesia

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