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Localization of Chronic Pain in Postmastectomy Patients: A Prospective Comparison Between Patients With and Without
Makoto Shiraishi, Yoshihiro Sowa1, Takuya Kodama1
1From the Department of Plastic and Reconstructive Surgery, Graduate School of Medical Science, Kyoto Prefectural University of Medicine.
Background:
After breast surgery with or without immediate reconstruction, chronic pain can be a major problem for patients. However, few studies have examined the details of the sites of long-lasting postoperative pain. In this study, we specified the postoperative pain location after breast surgery, including reconstruction, to find ways to improve surgical procedures or provide effective pain relief.
Methods:
The subjects were 205 Japanese women undergoing mastectomy or breast reconstruction with a tissue expander (TE)/implant or a deep inferior epigastric perforator (DIEP) flap. Patients were asked whether they had pain in different parts of the body at 1 year after surgery. Differences were assessed by cross-tabulation and χ2 statistics.
Results:
Surveys were completed by 157 subjects. Deep inferior epigastric perforator flap cases had significantly more pain and TE/Imp cases had significantly less pain in the medial breast, upper breast, breast upper medial quadrant, and abdomen (P = 0.006, P = 0.006, P < 0.001, P < 0.001, respectively). In the neck area, pain in TE/Imp cases was significantly worse than that in all other patients (P = 0.025). There was no significant difference in chronic pain in any other body regions among the mastectomy only, TE/Imp, and DIEP flap groups.
Conclusions:
The results of the present study revealed that the localization of prolonged postoperative pain after breast surgery differs depending on the surgical procedure. In DIEP flap reconstruction, there was a marked tendency for pain in the inner and upper chest and in the abdomen, whereas TE/IMP surgery resulted in pain around the neck of the affected side. These findings may help improve surgical methods and establish effective pain relief that focuses on the identified pain areas.
