Abstract
Postoperative shoulder joint dysfunction has been observed at a certain rate after breast cancer surgery with axillary lymph node dissection. The purposes of this study were to verify the feasibility and effects of home-based exercise using a DVD and clarify the target of intensive intervention with physiotherapy by identifying the factors that cause postoperative shoulder dysfunction. The study comprised 237 female patients who underwent breast cancer surgery with axillary lymph node dissection, whose data were acquired until 3months postoperatively. All patients were instructed to exercise at home using a DVD. Range of motion (ROM) of shoulder flexion and abduction and the disability of the arm, shoulder, and hand (DASH) score were measured before surgery, 1week and 1, 2, and 3months after surgery. As factors influencing the recovery of shoulder ROM at 3months after surgery, the presence or absence of radiation and factors up to 1month after surgery (age, body mass index, the relationship between operated side and dominant side of the hand, treatment modalities, and complications). Shoulder ROM and DASH scores had gradually recovered from 1week to 3months postoperatively. As the results of the multivariate analysis, the factors that were associated with the recovery of ROM of shoulder flexion at 3months were the side of surgery corresponding to the dominant hand (negative factor) and the presence of paresthesia at 1week postoperatively (positive factor) (p < 0.05). Radiation therapy and the side of surgery corresponding to the dominant hand were negative factors for the recovery of shoulder abduction (p < 0.01). Regarding the feasibility of the home exercise, 214/229 (93.4%), 172/210 (81.9%), and 139/206 (67.5%) of patients performed exercise at least once a day at 1, 2, and 3months after surgery, respectively. Our result indicated that the side of surgery corresponding to the dominant hand was the inhibiting factor for recovery for both shoulder flexion and abduction at 3months after surgery. Home-based exercise with DVD was considered feasible. For the verification of this effectiveness, a randomized control study should be planned in the future.
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