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Prolonged opioid use remains common after head and neck free flap reconstruction, with a weak correlation between morphine equivalent doses and patient-reported pain scores.
A retrospective analysis of patients undergoing head and neck free flap reconstruction highlights significant postoperative opioid use and a concerning risk of long-term dependence, even among opioid-naïve individuals.
The study, led by Parhom Towfighi et al., evaluated 100 consecutive patients treated at two academic centers to investigate postoperative pain and opioid consumption. Researchers collected data on patient demographics, inpatient and follow-up pain scores, morphine equivalent doses (MEDs), medication history, and comorbidities. Statistical analysis encompassed regression models, chi-square (χ²) tests, and Student’s t-tests to identify associations.
Opioid prescribing was highly prevalent, with 73% of patients discharged on opioid medications following surgery. Continued use remained substantial over time, with 53.4% of patients still taking opioids at their second postoperative visit and 34.2% continuing use approximately four months after surgery. Importantly, 20.3% of opioid-naïve patients developed chronic opioid use postoperatively, underscoring a prominent risk of new long-term dependence in this surgical population.
Despite the high levels of opioid use, the connection between opioid dosing and pain relief appeared weak. The correlation between daily MEDs and patient-reported pain scores was low, with R² values of 0.13 on postoperative day 3, 0.17 on day 5, and 0.22 on day 7. These findings suggest that increased opioid administration did not proportionally translate into improved pain control. Additionally, preoperative radiotherapy and postoperative complications were not related to increased opioid consumption, denoting that other factors may be driving prolonged opioid usage.
The findings raise concerns about current postoperative pain management practices in head and neck free flap surgery. The persistence of opioid usage months after surgery, combined with the weak association between opioid dose and pain scores, suggests potential overreliance on opioids without clear analgesic benefit. Hence, there is a need for standardized, multimodal analgesia protocols aimed at optimizing pain control while reducing opioid exposure. Such strategies may help minimize the likelihood of chronic opioid use, particularly in opioid-naïve patients.
World Journal of Otorhinolaryngology - Head and Neck Surgery
A retrospective analysis of pain and opioid usage in head and neck free flap reconstruction
Parhom Towfighi et al.
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