The Clinical journal of pain
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Observational Study
Breakthrough Pain in Patients with Abdominal Cancer Pain.
Characterization of breakthrough cancer pain (BTcP) in patients with abdominal cancer is lacking. The aim of this study was to assess the characteristics of BTcP in patients with abdominal cancer pain. ⋯ This preliminary study provides new insights on the characteristics of BTcP in a subclass of patients with abdominal disease. It has been estimated that about 55% of patients with well-controlled background pain will develop BTcP episodes. This percentage was higher (about 90%) in patients who presented with uncontrolled background pain, underlying the need to better characterize patients with BTcP, only after a careful optimization of basal pain, as considered by the definition of BTcP.