Peripheral neuromodulation: Type 2 Complex Regional Pain Syndrome
secondary to an excisional biopsy
Background: Complex Regional Pain Syndrome (CRPS) is a multifactorial
and often refractory condition that involves hyperalgesia and allodynia
of the extremities. Current treatments are mostly limited and
short-lived, thus different modalities of interventional pain control,
have come up to play a significant role in the management of CRPS.
Objectives: The aim of this article is to present a single case from a
Multidisciplinary Pain Management Center, regarding a wireless
peripheral nerve stimulation (WPNS) treatment for a type II CRPS.
Methods: The EORTC QLQ-C30 and NHP questionnaires were used as tools,
during an eighteenth month period follow-up. Results: A 43-year-old
healthy woman, diagnosed with ganglionar tuberculosis and a refractory
type II CRPS in the right upper extremity, following an excisional
biopsy. She underwent placement of a permanent electrode in the right
ulnar nerve. During eighteen months, a progressive reduction of pain
medication was also achieved and an improvement in her quality of life
associated to a remarkable relief in pain, allodynia and temperature
impairment. Conclusions: Given its high acceptance, safety and potential
to influence the neuronal plasticity, WPNS thus shows to be a promising
and favorable tool in the multidisciplinary approach of CRPS.