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ObjectivesThe purposes of the study were to investigate the incidence of pressure ulcer of orthopedics patients undergoing selective operation, and to identify the risk factors of pressure ulcer.Methods: A prospective cohort study was employed in this study. Data were collected concerning the general characteristics as well as preoperative, intraoperative and postoperative indicators probable to induce pressure ulcer and then analyzed in view of the risk factors of pressure ulcer. Results: (1) Pressure ulcers developed in thirty five patients (10.1%) on day 0 and the first 3 days following surgery; (2) age, hemoglobin, lymphocyte and getting up late for the first time after surgery were significantly associated with the occurrence of pressure ulcers (odds ratio 1.068, 0.948, 0.293, 1.019, respectively).Conclusions: (1) Patients have higher risk of developing pressure ulcer after operation, the critical period beginning from the operation day to the 3rd day after operation. (2) The age older, the later getting up for the first time after surgery, the liable it is for the patients to develop pressure ulcer postoperatively.

The study of risk factors of pressure sore for elective orthopedic surgery patients