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CHRONIC VISCERAL PAIN TREATED WITH 10 khz SPINAL CORD STIMULATION: A CASE REPORT

Advancements in Health Research, 2025

Abstract

INTRODUCTION Visceral pain originates from thoracic, abdominal, or pelvic organs. It is typically diffuse, poorly localized, and described as cramping, pressure-like, or deep aching1. Pathophysiology involves activation of unmyelinated C fibers due to mechanical distension, ischemia, or inflammation. Signals are transmitted via autonomic pathways to the CNS. A key feature is spinal convergence of visceral and somatic afferents, resulting in referred pain. Autonomic symptoms (e.g., nausea, sweating, tachycardia) and strong emotional components are also common, due to limbic system involvement. Diagnosis and management are often complex, requiring multimodal approaches. CASE PRESENTATION A male patient was referred for chronic right hypochondrial pain. History included benign prostatic hyperplasia, right radiculopathy, and left coxalgia, previously treated with infiltrations. The patient reported 10 kg weight loss due to pain. Ongoing medications included buprenorphine patch (52 mcg/h), oxycodone/naloxone (20 mg TID), pregabalin (75 mg BID), duloxetine (30 mg daily), and vaporized high-THC cannabis (four times/day). Pain began eight years earlier, described as constant stabbing in the right hypochondrium, alleviated by walking and worsened by sitting. Flares improved with intramuscular diclofenac. MRI revealed right renal inflammatory changes; PET showed somatostatin receptor uptake in the duodenopancreatic area. Lumbar MRI was normal. Given the diagnosis of drug-resistant…

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