Plantar compartment block for hallux valgus surgery: a proof-of-concept anatomic and clinical study
Authors' conclusion
This anatomic description of the ultrasound-guided plantar compartment block reported the injection area to target the medial and lateral plantar nerves with 5 mL of local anesthetic. Normal walking without assistance is attained rapidly with this regional anesthesia technique, and the time to request postoperative analgesia after hallux valgus surgery is long.
Study context
- Population
- Patients scheduled for outpatient hallux valgus surgery; 5 cadaveric lower limbs26 women
- Participants
- 30 patients
- Outcome
- Passing functional testing for ambulatory exit from the outpatient centre
- Follow-up
- Within 5 hours
Methodological detailscadaveric dissection, single-group clinical study
- Cadaveric dissection
- Single-group clinical study
Main finding
As reported in the abstract
- Patients passing functional testing for ambulatory exit within 5 hours (25th-75th centiles, 3.8-5.5 hours)
- Ninety per cent
Further findings
Surgical block failure
- No failures of surgical block
Duration of plantar compartment sensory block
- Median duration, hours (10.5-21.5 hours)
- 17.3
Time to first request for rescue analgesic after surgery
- Time to first request, hours (10.5-23 hours)
- 11.75
Maximum pain (visual analog scale (VAS)) within 48 h · 48-hour period
- Median VAS score for maximum pain (1-6)
- 2
Morphine rescue analgesia · day 1
- Patients receiving morphine on day 1
- 12
- Morphine dose received, mg (0-5 mg)
- 2.5
Safety
- No adverse events noted
Original publication
Plantar compartment block for hallux valgus surgery: a proof-of-concept anatomic and clinical study. Reg Anesth Pain Med. Published 19 February 2024. doi:10.
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