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Timing and Severity of Postoperative Complications and Associated 30-Day Mortality Following Hepatic Resection: a National Surgical Quality Improvement Project Study

  • Original Article
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Journal of Gastrointestinal Surgery

Abstract

Background

The effect of varying severity and timing of complications after hepatic resection on 30-day mortality has not been thoroughly examined.

Methods

National Surgical Quality Improvement Program Patient User Files (NSQIP-PUF) were used to identify patients who underwent elective hepatic resection between 2014 and 2019. The impact of number, timing, and severity of complications on 30-day mortality was examined.

Results

Among 25,084 patients who underwent hepatic resection, 7436 (29.9%) patients developed at least one NSQIP complication, while 2688 (10.7%) had multiple (≥2) complications. Overall, 30-day mortality was 1.7% (n=424), among whom 81.4% (n=345) patients had ≥2 complications. The 30-day mortality was highest among patients with three consecutive severe complications (47.8%), as well as patients with one non-severe and two subsequent severe complications (47.6%). The adjusted probability of 30-day mortality was 35.5% (95%CI: 29.5–41.4%) when multiple severe complications occurred within the first postoperative week and 16.2% (95%CI: 7.2–25.1%) when the second severe complication occurred at least one week apart. The adjusted risk of 30-day mortality after even two non-severe complications was as high as 5.3% (95%CI: 3.7–6.9%) when the second complication occurred within a week postoperatively.

Conclusion

Approximately 1 in 10 patients developed multiple complications following hepatectomy. Timing and severity of complications were independently associated with 30-day mortality.

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Authors and Affiliations

Authors

Contributions

PP, DIT, JMH, and TMP conceived of and designed this work. PP performed data analysis and drafted the manuscript. PP, DIT, JMH, AD, and TMP critically revised the manuscript, provided approval of the final version, and agree to be accountable for all aspects of the work.

Corresponding author

Correspondence to Timothy M. Pawlik MD, MPH, PhD.

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Conflict of Interest

The authors declare no competing interests.

Disclosures

The American College of Surgeons National Surgical Quality Improvement Program and the hospitals participating in the ACS NSQIP are the source of the data used herein; they have not verified and are not responsible for the statistical validity of the data analysis or the conclusions derived by the authors.

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Supplementary Information

Supplemental Figure 1.

Chronological sequence of complications and 30-day mortality if the first complication was non-severe or severe following minor hepatic resection (a, b) or major liver resection (c, d). *denotes median (IQR) of time to each complication in days from the day of the procedure. (PNG 2055 kb)

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Pathak, ., Tsilimigras, D.I., Hyer, J.M. et al. Timing and Severity of Postoperative Complications and Associated 30-Day Mortality Following Hepatic Resection: a National Surgical Quality Improvement Project Study. J Gastrointest Surg 26, 314–322 (2022). https://doi.org/10.1007/s11605-021-05088-w

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  • DOI: https://doi.org/10.1007/s11605-021-05088-w

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