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

Perianal Nerval Block in Proctological Interventions

Perianal Fistula

Fissure in Ano

Hemorrhoids

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.

Placebo 40 mL Saline 0.9%

40 mL Ropivacain 0.5%

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

Postoperative Pain assessed by visual analogue scale (max. 10, min.0 points, range: 0-10;
0 = no pain at all, 10 = worst pain ever experienced)

Quality of Life assessed by questionnaire

Perianal Nerval Block in Proctological Interventions

About this trial

Study ID

Status

Type

Phase

Placebo

Accepting

Not accepting

Trial Timing

What is this trial about?

What are the participation requirements?

Locations

Location

Status