Pain medicine

Long-term outcomes of amputation in patients with complex regional pain syndrome (CRPS): a mixed-methods study

Reg Anesth Pain MedPublished Retrospective observational study with cross-sectional survey

Authors' conclusion

In this cohort of severe, therapy-resistant CRPS, amputation was associated with meaningful improvements in QoL, disability, and pain in carefully selected cases, although complications remained common.

Study context

Population
CRPS patients who underwent limb amputation between 2003 and 2023 at Erasmus MC University Medical Center34 (87%) completed the survey
Participants
39 patients
Outcome
Long-term outcomes: Quality of life (QoL), disability, pain and satisfaction (patient-reported questionnaires)
Methodological detailsmixed-methods study, single-centre
  • Mixed-methods study
  • Single-centre

Main finding

As reported in the abstract

Long-term QoL, disability, pain and satisfaction · median 6.4 years (IQR 3.0-11.7) after amputation
SF-36 physical health summary score, mean (±SD)
45.4 (±26.1)
SF-36 mental health summary score, mean (±SD)
67.7 (±22.3)
Pain Disability Index score, mean (±SD)
29.3 (±15.1)
Pain decrease at long-term follow-up, mean points
2.71 (1.76 to 3.65) (95% CI)
Satisfied and would choose amputation again
94%

Observational data: associations, not effects.

Further findings

Pain decrease at short-term follow-up · median 5 months, IQR 2-6

Pain decrease, mean points
3.54 (2.46 to 4.62) (95% CI)

Neurostimulator implant (subgroup)

Neurostimulator status did not influence measured outcomes

Safety

Complications after amputation

Residual limb pain
77%
Phantom limb pain
85%
CRPS recurrence in the stump
10%

Original publication

Long-term outcomes of amputation in patients with complex regional pain syndrome (CRPS): a mixed-methods study. Reg Anesth Pain Med. Published 17 August 2025. doi:10.1136/rapm-2025-106918

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