Anesth Pain Med.  2021 Jan;16(1):108-115. 10.17085/apm.20081.

An exploratory study of risk factors for pressure injury in patients undergoing spine surgery

• Suh D
• Kim SY
• Yoo B
• Lee S

• KMID: 2512289
• DOI: http://doi.org/10.17085/apm.20081

Abstract

Background
Perioperative patients are potentially at risk for pressure injuries due to anesthetic agents and surgical positioning. Pressure injury increases discomfort and pain in patients and causes complications, which lead to an increase in mortality and hospitalization duration. Most previous studies did not focus on specific types of surgery or surgical positioning. We tried to identify the incidence of perioperative pressure injury during spinal surgery and perioperative risk factors that contribute to pressure injury.
Methods
We retrospectively analyzed electronic medical records of 663 patients who underwent spinal surgery between March 2016 and May 2018. The primary outcome was occurrence of pressure injury. Potential risk factors of pressure injury were selected based on previous studies and expert opinion, and divided into two sub-categories: preoperative and intraoperative risk factors. We compared the clinical characteristics of patients in the pressure injury and non-injury groups. Perioperative risk factors for pressure injury were analyzed by logistic regression.
Results
Among 663 patients, the incidence of all stages of pressure injury was 5.9%. The face and inguinal regions were the most injured sites (both 28.6%). The pressure injury group showed a 13% longer hospitalization period. Preoperative plasma concentration of protein was associated with 0.5-fold lower pressure injury (OR: 0.50; 95% CI: 0.27 to 0.95; P = 0.034).
Conclusions
The incidence of pressure injury was similar to that previously reported and occurred in the direct weight-bearing areas, which led to longer hospitalization. We found that a lower preoperative serum protein level is significantly associated with intraoperative pressure injury occurrence during spinal surgery.

Keyword

Anesthesia; Neoplasm; Orthopedics; Pressure ulcer; Protein; Risk factors; Skin ulcer

Figure

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  Fig. 1. CONSORT flow diagram of study. CONSORT: consolidated standards of reporting trials.

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