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Factors associated with and outcomes of open conversion after laparoscopic minor hepatectomy: initial experience at a single institution

Surgical Endoscopy volume 29, pages 2636–2642 (2015)Cite this article

Abstract

Background

Laparoscopic liver resection has been increasingly adopted worldwide as a result of the rapid advancement in surgical techniques and equipment. This study aims to determine the factors associated with and outcomes of open conversion after laparoscopic minor hepatectomy (LMH) based on a single center multi-surgeon experience.

Methods

This is a retrospective review of the first 147 consecutive LMH performed between 2006 and April 2014 at a single institution. Data on patient demographics, pathology results, perioperative outcomes, and operative results were collected. Factors associated with open conversion were analyzed via univariate analysis and a P value <.05 was considered statistically significant.

Results

LMH was performed for malignancy in 114 (77.6 %) patients of which hepatocellular carcinoma (n = 82) and colorectal metastases (n = 16) were the most common pathologies. Forty-one (27.9 %) patients had cirrhotic livers and 18 (15.7 %) had fibrotic livers. Fifty patients (44 %) had concomitant surgery in addition to LMH. Twenty (13.6 %) procedures required open conversion and the most common reason was for bleeding (n = 12). Twenty-five patients (17 %) experienced postoperative complications. Univariate analyses demonstrated that only individual surgeon volume (n ≤ 10 cases) [15 (24.2 %) vs 5 (5.9 %), P = .001] and institution volume (n ≤ 25 cases) [8 (32 %) vs 12 (9.8 %), P = .003] were factors associated with open conversion. Open conversion was significantly associated with increased intra-operative blood loss, increased intra-operative blood transfusion, increased postoperative morbidity, and longer postoperative stay.

Conclusions

Individual surgeon and institution volumes were important factors associated with open conversion after LMH. Open conversion after LMH resulted in poorer outcomes compared to procedures that were successfully completed laparoscopically.

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Disclosures

Drs. Brian K. P. Goh, C.Y. Chan, J. S. Wong, S.Y. Lee, V. T. Lee, P. C. Cheow, P. K. Chow, L. L. Ooi, Chung A. Y have no conflict of interest nor financial disclosures.

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Affiliations

  1. Department of Hepatopancreatobiliary and Transplantation Surgery, Singapore General Hospital, 20 College Road, Academia, Singapore, 169856, Singapore

    Brian K. P. Goh, Chung-Yip Chan, Jen-San Wong, Ser-Yee Lee, Victor T. W. Lee, Peng-Chung Cheow, Pierce K. H. Chow, London L. P. J. Ooi & Alexander Y. F. Chung

  2. Duke-NUS Graduate Medical School, 8 College Road, Singapore, 169857, Singapore

    Brian K. P. Goh, Pierce K. H. Chow & London L. P. J. Ooi

Authors
  1. Brian K. P. Goh
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  2. Chung-Yip Chan
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  3. Jen-San Wong
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  4. Ser-Yee Lee
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  5. Victor T. W. Lee
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  6. Peng-Chung Cheow
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  7. Pierce K. H. Chow
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  8. London L. P. J. Ooi
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  9. Alexander Y. F. Chung
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Correspondence to Brian K. P. Goh.

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Goh, B.K.P., Chan, CY., Wong, JS. et al. Factors associated with and outcomes of open conversion after laparoscopic minor hepatectomy: initial experience at a single institution. Surg Endosc 29, 2636–2642 (2015). https://doi.org/10.1007/s00464-014-3981-0

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  • DOI: https://doi.org/10.1007/s00464-014-3981-0

Keywords

  • Laparoscopy
  • Hepatectomy
  • Laparoscopic liver resection
  • Laparoscopic hepatectomy
  • Outcome
  • Conversion
  • Minimally invasive