Study Summary:

This study investigated the impact of pain catastrophizing, particularly rumination, on pain outcomes in patients receiving comprehensive palliative care. A sample of 95 patients with uncontrolled pain was assessed for symptom intensity, opioid usage, and pain catastrophizing at admission (T0) and again one week after palliative care treatment (T7). The researchers measured the Pain Catastrophizing Scale (PCS) and recorded patients’ personalized symptom goals (PSG) and their achievement rates (PSGR). They also calculated the Minimal Clinically Important Difference (MCID) based on patient global impression (PGI).

Key Findings:

• There was a significant reduction in symptom intensity for all items on the Edmonton symptom assessment system (ESAS) after treatment.
• PGI was positive for all symptoms, indicating improvement, with the highest values for pain, well-being, and sleep.
• Rumination, a subscale of catastrophizing, was significantly associated with pain intensity at T0 (B = 0.540; p = 0.034).
• No association was found between overall catastrophizing and pain intensity, PSG, PSGR, or PGI for pain after treatment.

Conclusions:

The study suggests that while pain catastrophizing, specifically rumination, may be associated with pain intensity at the start of treatment, comprehensive palliative care can effectively reduce symptom burden and improve pain outcomes, regardless of catastrophizing levels. This highlights the importance of comprehensive care in managing pain and its associated psychological factors.

Importance:

This research contributes to the understanding of how psychological factors like rumination affect pain management in palliative care and underscores the effectiveness of comprehensive treatment approaches.