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Risk Factors for Wound Dehiscence After Spinal Metastasis Surgery and a New Approach to Prevention-Curved Skin
Kunihiko Miyazaki1, Yutaro Kanda1, Takashi Yurube1
1Department of Orthopedic Surgery, Kobe University Graduate School of Medicine, Kobe 650-0017, Japan.
Cancers
|June 26, 2025
Summary
A new curved skin incision (CSI) technique effectively reduces wound dehiscence after spinal metastasis surgery. This method is particularly beneficial for patients who have received prior radiotherapy, a known risk factor for surgical complications.
Area of Science:
- Oncology
- Surgical Innovation
- Wound Healing
Background:
- Postoperative wound dehiscence is a significant complication in spinal metastasis surgery.
- Patients undergoing preoperative radiotherapy or molecular-targeted therapy face increased risk.
- Current preventive strategies for wound dehiscence are limited.
Purpose of the Study:
- Identify risk factors for postoperative wound dehiscence.
- Evaluate the clinical utility of a novel curved skin incision (CSI) technique.
- Compare CSI with the conventional midline incision (MI) technique for preventing wound dehiscence.
Main Methods:
- Logistic regression analysis identified risk factors in 107 patients (2013-2018).
- A novel curved skin incision (CSI) technique was developed to avoid irradiated areas.
- Propensity score matching compared CSI and MI in 29 matched pairs (2019-2021).
Main Results:
- Preoperative radiotherapy and molecular-targeted therapy are significant risk factors for wound dehiscence.
- The CSI technique demonstrated a substantially lower rate of wound dehiscence compared to MI.
- CSI effectively circumvents irradiated skin, mitigating a key risk factor.
Conclusions:
- The CSI technique is a simple, reproducible, and effective approach for reducing wound complications.
- CSI offers significant clinical benefits for high-risk patients, especially those with prior radiotherapy.
- CSI may become a valuable addition to standard spinal metastasis surgery protocols.
