Clinical Report: Postop Pain Differs by Vitamin D Status

Overview

Patients with preoperative vitamin D deficiency experienced significantly higher rates of moderate to severe pain at 12 hours post-surgery compared to those with sufficient vitamin D levels. This study highlights the potential impact of vitamin D status on postoperative pain management in breast cancer surgery, suggesting a need for further research to confirm these findings.

Background

Vitamin D deficiency is a common condition that may influence various health outcomes, including pain perception. Understanding the relationship between vitamin D levels and postoperative pain can inform pain management strategies, particularly in surgical patients. This study specifically examines the effects of vitamin D status on pain following breast cancer surgery, a critical area given the high prevalence of vitamin D deficiency (up to 50% in surgical patients) in the general population.

Data Highlights

Key Findings

• 17% of vitamin D-deficient patients reported moderate to severe pain at 12 hours post-surgery compared to 2% of vitamin D-sufficient patients.
• At 6 hours post-surgery, 33% of vitamin D-deficient patients experienced moderate to severe pain versus 20% in the sufficient group.
• Vitamin D deficiency was associated with more than three times the odds of experiencing moderate to severe postoperative pain during the first 24 hours.
• Mean intraoperative fentanyl consumption was similar between groups, suggesting that vitamin D status may influence postoperative pain rather than intraoperative analgesia.
• Postoperative nausea was more prevalent in the vitamin D-deficient group.
• No patients experienced severe pain (NRS score ≥ 7) during the study period.

Clinical Implications

Clinicians should consider assessing vitamin D levels in patients undergoing breast cancer surgery, as deficiency may be linked to increased postoperative pain and analgesic requirements. Implementing vitamin D supplementation strategies preoperatively (e.g., 1000-2000 IU daily) could potentially improve pain outcomes and enhance recovery.

Conclusion

This study underscores the importance of vitamin D status in postoperative pain management, suggesting that addressing deficiency may be beneficial for patients undergoing breast cancer surgery. Further research is needed to establish a direct causal relationship.

Related Resources & Content

1. Mahdy Ahmed Abdelhady et al., Regional Anesthesia & Pain Medicine, 2026 -- Postop Pain Differs by Vitamin D Status
2. Frontiers in Medicine, 2026 -- Lower preoperative vitamin D levels are associated with poor clinical outcomes in elderly patients with osteoporotic vertebral compression fractures after percutaneous vertebroplasty
3. Obesity Surgery, 2018 -- Efficacy of Cholecalciferol Injections for Treating Hypovitaminosis D Following Duodenal Switch: A Randomized Controlled Trial
4. Obesity Surgery, 2025 -- Evaluation of Vitamin D Concentrations Following Metabolic Bariatric Surgery in Women Aged Below and Above 45 Years
5. Clinical Rheumatology, 2017 -- An Analysis of Vitamin D Levels Among a Large Group of Patients with Rheumatic Disorders
6. PROSPECT guideline for oncological breast surgery: a systematic review and procedure-specific postoperative pain management recommendations.
7. Low vitamin D levels linked to more pain after breast cancer surgery
8. Preoperative Vitamin D Level is Associated with Acute Pain After Video-Assisted Thoracoscopic Surgery
9. PROSPECT guideline for oncological breast surgery: a systematic review and procedure-specific postoperative pain management recommendations.