Perianal Nerval Block in Proctological Interventions

2018-01-26 13:20:10 | BioPortfolio


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.

Study Design


Perianal Fistula


Placebo 40 mL Saline 0.9%, 40 mL Ropivacain 0.5%


St Claraspital




University Hospital, Basel, Switzerland

Results (where available)

View Results


Published on BioPortfolio: 2018-01-26T13:20:10-0500

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Medical and Biotech [MESH] Definitions

An abnormal anatomical passage between the INTESTINE, and another segment of the intestine or other organs. External intestinal fistula is connected to the SKIN (enterocutaneous fistula). Internal intestinal fistula can be connected to a number of organs, such as STOMACH (gastrocolic fistula), the BILIARY TRACT (cholecystoduodenal fistula), or the URINARY BLADDER of the URINARY TRACT (colovesical fistula). Risk factors include inflammatory processes, cancer, radiation treatment, and surgical misadventures (MEDICAL ERRORS).

An abnormal anatomical passage that connects the VAGINA to other organs, such as the bladder (VESICOVAGINAL FISTULA) or the rectum (RECTOVAGINAL FISTULA).

A genus of HALOBACTERIACEAE distinguished from other genera in the family by the presence of specific derivatives of TGD-2 polar lipids. Haloarcula are found in neutral saline environments such as salt lakes, marine salterns, and saline soils.

A fistula between the maxillary sinus and the oral cavity.

A family of gram-negative, moderately halophilic bacteria in the order Oceanospirillales. Members of the family have been isolated from temperate and Antarctic saline lakes, solar salt facilities, saline soils, and marine environments.

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