Estimating the Impact of Postamputation Pain.

Area of Science:

• Medical research
• Surgical outcomes
• Pain management

Background:

• Neuromas, neuralgia, and phantom limb pain are frequent but poorly understood complications following lower-extremity amputation.
• Existing literature on post-amputation pain incidence is limited and highly variable (0%–80%).
• Objective investigation into the incidence of post-amputation pain and nerve complications is needed.

Purpose of the Study:

• To objectively determine the incidence of post-amputation nerve-related pain and complications.
• To identify demographic and comorbidity factors associated with increased risk of these complications.
• To assess the treatment costs associated with these conditions.

Main Methods:

• Analysis of a national insurance claims database (2007–2017) for lower-extremity amputations.
• Identification of reported postoperative neuroma, neuralgia, and phantom limb pain incidence.
• Logistic regression to identify significant risk factors and comorbidities.

Main Results:

• 29,507 lower-extremity amputations were analyzed.
• Incidence rates: neuralgia (4.4%), neuromas (0.4%), phantom limb pain (10.9%).
• Higher incidence in through-knee (20.3%) and below-knee (16.7%) amputations; specific comorbidities significantly increased risk.

Conclusions:

• Post-amputation nerve-related pain and phantom limb pain occur with significant incidence.
• Specific patient demographics and comorbidities are linked to higher complication rates.
• Further research into pathophysiology, treatment, and prevention is warranted to improve patient outcomes and reduce costs.