Perianal Nerval Block in Proctological Interventions

Perianal Nerval Block in Proctological Interventions: a Prospective Randomized Double Blinded Study

The aim of this study is to evaluate whether a local perianal block performed during a proctological intervention can reduce the postoperative pain.

The aim of this study is to evaluate whether a local perianal block performed during a proctological intervention can reduce the postoperative pain.

All patients will undergo surgery under general or spinal anesthesia. At the end of the surgery, the surgeon will perform a perianal block using the local anesthetic or the placebo upon randomisation. The experimental group will receive a local anesthetics and the control group a normal saline injection. All injections will be perianal, peripheral to the external anal sphincter.

Inclusion Criteria:

• Patients with surgical indication for hemorrhoids, fistula-in-ano or anal fissures.
• Age of 18 or above

Exclusion Criteria:

• age under 18.
• Patients unable to understand an informed consent.
• Emergency operations
• Pregnant women.
• Patients with acute perianal infection.
• Patients allergic to any component of the local anesthetic