Multicenter Prospective Randomized Comparison of Ultrasound-Guided Stellate Ganglion Versus Thoracic Paravertebral Block for Sympathetic Blockade in Chronic Upper Extremity Pain

Multicenter Study on Pain Relief Techniques

Study Overview

This study compared two methods for relieving chronic upper extremity pain: Ultrasound-Guided Stellate Ganglion Block (SGB) and Thoracic Paravertebral Block (TPVB). The goal was to see which method is more effective in providing pain relief.

Key Findings

  • Higher Success Rate: The TPVB method had a success rate of 62.9%, compared to 38.2% for SGB.
  • Temperature Change: TPVB showed a greater temperature difference (2.0°C) compared to SGB (1.1°C), indicating better sympathetic blockade.
  • Improved Blood Flow: TPVB increased blood flow in the affected area, while SGB did not.
  • Immediate Pain Relief: Both methods reduced pain intensity after 20 minutes, but TPVB resulted in lower pain scores.
  • Temporary Relief: Pain levels returned to pre-treatment levels after one week in both groups.

Practical Solutions and Value

This study highlights the effectiveness of TPVB over SGB for immediate pain relief in patients with chronic upper extremity pain. By choosing TPVB, healthcare providers can offer better outcomes for their patients.

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