Could hyponatremia be a marker of anastomotic leakage after colorectal surgery? A single center analysis of 1,106 patients over 5 years
Langenbeck's Archives of Surgery, ISSN: 1435-2451, Vol: 399, Issue: 6, Page: 783-788
2014
- 5Citations
- 32Captures
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Metrics Details
- Citations5
- Citation Indexes5
- CrossRef2
- Captures32
- Readers32
- 32
Article Description
Purpose: The aim of this study is to define the significance of hyponatremia as a marker of anastomotic leakage after colorectal surgery. Methods: All anastomoses in colorectal surgery performed at a single institution between July 2007 and July 2012 (n=1,106) were retrospectively identified. Serum sodium levels and leukocyte values measured when an anastomotic leak was diagnosed by CT scan and/or surgical reintervention (n=81) were compared to the values preferably on postoperative day 5 in the absence of an anastomotic leak (n=1,025). Results: The leak rate in anastomoses of the rectum was 9.0 %, while the leak rate of the other anastomoses was 5.4 %. Mean serum sodium level was 138.8 mmol/l in the group with an anastomotic leak and 140.5 mmol/l in the group without. Hyponatremia (<136 mmol/l) was present in 23 % of patients in the group with an anastomotic leak and in 15 % in the group without (p<0.001). In multivariate analysis, leukocytes and serum sodium level remained as significant markers of an anastomotic leak. As a marker of an anastomotic leak, hyponatremia had a specificity of 93 % and a sensitivity of 23 %, while the presence of either leukocytosis or hyponatremia had a sensitivity of 68 %, a specificity of 75 %, a positive predictive value of 18 %, and a negative predictive value of 97 %. Conclusions: Hyponatremia could be a specific and relevant marker of anastomotic leakage after colorectal surgery. If hyponatremia and leukocytosis are present after colorectal surgery, anastomotic leakage should be suspected and a CT scan with rectal contrast dye is recommended. © 2014 Springer-Verlag.
Bibliographic Details
http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=84904434348&origin=inward; http://dx.doi.org/10.1007/s00423-014-1213-7; http://www.ncbi.nlm.nih.gov/pubmed/24852218; http://link.springer.com/10.1007/s00423-014-1213-7; https://dx.doi.org/10.1007/s00423-014-1213-7; https://link.springer.com/article/10.1007/s00423-014-1213-7
Springer Science and Business Media LLC
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