Abstract
Purpose
High body mass index (BMI) increases the risk of postoperative complications and hernia recurrence after abdominal wall reconstruction (AWR). However, BMI does not provide specific information on the mass and distribution of adipose tissue. We hypothesized that visceral fat volume (VFV) was a better predictor than BMI for recurrence after AWR.
Methods
We included all patients undergoing AWR at our institution from November 2010 to December 2016. Data were collected from a prospective database and all patients were summoned for follow-up. VFV was calculated from preoperative CT. The primary and secondary outcomes were hernia recurrence and 30-day postoperative surgical site occurrences (SSO), respectively.
Results
We included a total of 154 patients. At follow-up, 42 (27.3%) patients had developed recurrence. The recurrence rate was significantly higher in patients with a VFV higher than the mean compared to a VFV lower than the mean, P = 0.004. After multivariable Cox-regression, VFV remained significantly predictive of recurrence (HR 1.09 per 0.5 L increase of VFV, P = 0.018). In contrary, BMI was not associated with hernia recurrence. There was no significant difference in the rate of SSO between patients with a VFV above and below the mean. A multivariable logistic regression model showed that VFV was significantly associated with development of SSO (OR 1.12 per 0.5 L increase, P = 0.009).
Conclusion
VFV was significantly associated with recurrence and SSOs after AWR. This study suggests VFV as a risk assessment tool for patients undergoing AWR.
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NN Baastrup, KK Jensen, JK Christensen, LN Jorgensen declare that they have no conflict of interest.
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All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards. The study was approved by the Danish Data Protection Agency (j. no. 2012-58-0004). No animals were used to conduct this research.
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The study was approved by the Danish Data Protection Agency (j. no. 2012-58-0004).
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All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and national research committee and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards. This article does not contain any experiments on animals.
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Baastrup, N.N., Jensen, K.K., Christensen, J.K. et al. Visceral obesity is a predictor of surgical site occurrence and hernia recurrence after open abdominal wall reconstruction. Hernia 26, 149–155 (2022). https://doi.org/10.1007/s10029-021-02522-5
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DOI: https://doi.org/10.1007/s10029-021-02522-5