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Thermoregulatory control after upper extremity replantation
The Journal of Hand Surgery
|July 1, 1986
Summary
Forearm replantation patients showed improved pain and cold tolerance over time. Normal thermoregulation correlated with sensory and motor nerve recovery, crucial for functional outcomes.
Area of Science:
- Orthopedic Surgery
- Neuroscience
- Vascular Surgery
Background:
- Forearm amputations present complex reconstructive challenges.
- Understanding functional recovery post-replantation is vital for patient outcomes.
Observation:
- Four patients with complete forearm amputations underwent prospective analysis.
- Assessments included pain, cold intolerance, nerve recovery, and thermoregulation via cold-stress testing.
- Follow-up occurred at 6 weeks, 3 months, 6 months, 1 year, and 2 years post-replantation.
Findings:
- Pain significantly diminished in all patients between 6 months and 1 year.
- Cold tolerance and normal thermoregulatory responses were linked to achieving two-point sensory discrimination or motor nerve recovery (or both).
- These functional nerve recoveries were statistically significant (p < 0.05).
Implications:
- Thermoregulation recovery is a key indicator of successful nerve regeneration after forearm replantation.
- Early assessment of thermoregulatory capacity may predict functional nerve recovery.
- This study highlights the interconnectedness of vascular, sensory, and motor recovery in limb replantation.