Erector Spinae Block Versus Thoracic Paravertebral Block for Acute Thoracic Herpes Zoster

Ultrasound Guided Erector Spinae Block Versus Ultrasound Guided Thoracic Paravertebral Block for Pain Relief in Patients With Acute Thoracic Herpes Zoster

The aim of this research is to study and compare the efficacy and safety of single injection erector spinae plane block and thoracic paravertebral block in prevention of post herpetic neuralgia in patients with acute thoracic herpes zoster.

Inclusion Criteria:

• Over 50 years of age
• Chest wall herpetic eruption of less than one week
• Moderate or severe pain

Exclusion Criteria:

• Patient refusal
• Eruption more than one week duration
• Patients who will not receive appropriate anti-viral therapy
• Patients with mild pain
• Infection at the site of injection
• Patients with a history of renal, hepatic diseases, coagulopathy, steroid therapy, malignancies.
• Patient taking chemotherapy and/or radiotherapy.