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The morbidity, time course and predictive factors for persistent post-thoracotomy pain
1Department of Anesthesiology, Osaka Medical Center and Cardiovascular Diseases, Japan.
European Journal of Pain (London, England)
|June 8, 2001
Summary
Post-thoracotomy pain is common one month after surgery but often improves by one year. Female gender and early post-operative pain predict persistent pain, suggesting nerve involvement.
Area of Science:
- Thoracic surgery outcomes
- Pain management research
- Neuropathic pain mechanisms
Background:
- Post-thoracotomy pain is a frequent complication following chest surgery.
- Understanding its incidence, progression, and predictors is crucial for patient care.
Purpose of the Study:
- To determine the morbidity, time course, and predictive factors of post-thoracotomy pain.
- To analyze pain prevalence and characteristics at different time points after surgery.
Main Methods:
- Analysis of follow-up data from 85 post-thoracotomy patients.
- Pain assessment using a four-point scale (none, slight, moderate, severe).
- Stepwise regression analysis to identify predictive factors for persistent pain.
Main Results:
- 50% of patients experienced pain one day post-surgery; 70% reported persistent pain one month later.
- Pain severity decreased significantly between one month and one year post-surgery for many patients.
- Female gender and pain on postoperative day 1 were significant predictors of persistent pain at both 1 month and 1 year.
Conclusions:
- Persistent post-thoracotomy pain is common, particularly in the first month, but tends to alleviate over time.
- Nerve impairment, indicated by symptoms like paresthesia-dysesthesia and hypoesthesia, may underlie this pain syndrome.
- Early postoperative pain assessment and patient gender are key factors in predicting long-term outcomes.