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Eur J Cardiothorac Surg. 2019 Jan 31. doi: 10.1093/ejcts/ezz008. [Epub ahead of print]

Amylase level in cervical drain fluid and anastomotic leakage after cervical oesophagogastrostomy.

Author information

1
Department of Thoracic and Cardiovascular Surgery, Ajou University School of Medicine, Suwon, Korea.
2
Biostatistics Collaboration Unit, Department of Biomedical Systems Informatics, Yonsei University College of Medicine, Seoul, Korea.
3
Department of Thoracic and Cardiovascular Surgery, Yonsei University College of Medicine, Seoul, Korea.

Abstract

OBJECTIVES:

Anastomotic leakage after oesophageal cancer surgery is a serious complication. The purpose of this study was to evaluate the possibility of anastomotic leakage by repeatedly measuring amylase levels in the fluid obtained from the drainage tube inserted at the cervical anastomotic site.

METHODS:

Ninety-nine patients who underwent oesophagectomy and cervical oesophagogastrostomy between April 2014 and March 2017 were retrospectively reviewed. A drainage tube was placed at the anastomotic site, and amylase levels were measured daily from postoperative day (POD) 1 until oral feeding or confirmation of anastomotic leakage. The amylase levels were analysed with a linear mixed model.

RESULTS:

The mean age of the patients was 64.9 ± 9.0 years, and there were 89 (89%) male patients. Almost all pathologies (92%) were squamous cell carcinomas. The anastomotic methods were as follows: 63 (63%) circular stapled, 33 (33%) hand-sewn and 3 (3%) semistapled. Anastomotic leakage was confirmed in 10 (10%) patients. The amylase levels increased until POD 2 in both the leakage and non-leakage groups, but the levels subsequently decreased in the non-leakage group, whereas the levels peaked on POD 3 in the leakage group. On performing the linear mixed model analysis, anastomotic leakage was significantly associated with the trends in postoperative amylase levels in the drainage tube (P < 0.001). Trends in the serum C-reactive protein levels and white blood cell count were not significantly associated with anastomotic leakage.

CONCLUSIONS:

Amylase level trends measured in the cervical drain fluid can be a useful indicator of anastomotic leakage after cervical oesophagogastrostomy.

PMID:
30715298
DOI:
10.1093/ejcts/ezz008

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