Ultrasound Guided Blocks of the Iliohypogastric and Ilioinguinal Nerves in Persistent Postherniorrhaphy Pain Patients

Ultrasound Guided Blocks of the Iliohypogastric and Ilioinguinal Nerves in Persistent Postherniorrhaphy Pain Patients

In this controlled study the investigators will examine the analgesic and sensory effects of ultrasound-guided blocks of the iliohypogastric and ilioinguinal nerves with lidocaine in persistent postherniorrhaphy pain patients.

Inclusion Criteria:

• patients older than 18 years with severe postherniorrhaphy pain (numerical rating scale [NRS] > 6) for more than 6 month

Exclusion Criteria:

• known amide local anesthetic drug allergy
• recurrent hernia