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Skeletal muscle relaxants are used to relax muscle tone and alleviate painful muscle contractions. However, the choice of skeletal muscle relaxants depends on the duration of the surgical procedure in order to minimize potential side effects. Skeletal muscle relaxants like neuromuscular blocking agents [NMBAs] are commonly employed as adjuvants alongside general anesthetics in clinical settings. NMBAs are also used to maintain controlled ventilation during surgery of the larynx or pharynx...
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Interscalene plexus block versus general anaesthesia for shoulder surgery: a randomized controlled study.

Lars J Lehmann1, Gregor Loosen, Christel Weiss

  • 1Department of Orthopedic and Trauma Surgery, Orthopaedic and Trauma Surgery Centre, University Medical Centre Mannheim, Theodor-Kutzer-Ufer 1-3, 68187, Mannheim, Germany, dr.lehmann@me.com.

European Journal of Orthopaedic Surgery & Traumatology : Orthopedie Traumatologie
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Summary

Interscalene brachial plexus block (ISB) offers faster recovery and reduced opioid use for shoulder arthroscopy patients compared to general anesthesia (GA) or combined anesthesia. ISB significantly shortens postoperative monitoring time.

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Area of Science:

  • Anesthesiology
  • Orthopedic Surgery
  • Pain Management

Background:

  • Shoulder arthroscopy requires effective anesthesia and pain management.
  • General anesthesia (GA) and interscalene brachial plexus block (ISB) are common anesthetic techniques.
  • Optimizing recovery and minimizing opioid consumption are key goals in perioperative care.

Purpose of the Study:

  • To compare the efficacy of ISB, GA, and a combination of both (GA + ISB) for shoulder arthroscopy.
  • To evaluate the impact of different anesthetic methods on postoperative recovery and opioid consumption.
  • To determine the optimal anesthetic approach for patients undergoing shoulder arthroscopy.

Main Methods:

  • A randomized clinical trial involving 120 patients aged 20-80 years undergoing shoulder arthroscopy.
  • Patients were randomly assigned to receive ISB, GA, or ISB + GA.
  • Primary outcome was opioid consumption; secondary outcomes included anesthesia and recovery times.

Main Results:

  • ISB significantly reduced opioid consumption compared to GA and GA + ISB.
  • Patients receiving ISB experienced significantly shorter postoperative monitoring times.
  • A higher proportion of patients with ISB bypassed the recovery room, indicating faster recovery.

Conclusions:

  • Interscalene brachial plexus block (ISB) is superior to general anesthesia (GA) and combined anesthesia (GA + ISB) for shoulder arthroscopy.
  • ISB facilitates faster patient recovery and reduces the need for postoperative analgesics.
  • ISB should be considered a preferred anesthetic method for shoulder arthroscopy due to improved recovery profiles.