Wright, E. C., Connolly, P., Vella, M. and Moug, S. (2017) Peritoneal fluid biomarkers in the detection of colorectal anastomotic leaks: a systematic review. International Journal of Colorectal Disease, 32(7), pp. 935-945. (doi: 10.1007/s00384-017-2799-3) (PMID:28401350)
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Abstract
Purpose: Anastomotic leak (AL) in colorectal surgery leads to significant morbidity, mortality and poorer oncological outcomes. Diagnosis of AL is frequently delayed as current methods of detection are not 100% sensitive or specific. ‘Biomarkers’, such as cytokines and markers of ischaemia, from the milieu of the anastomosis may aid early detection. This paper aims to review the evidence for their role in AL detection, allowing identification of targets for future research. Methods: A systematic review was performed using PubMed, MEDLINE and Cochrane Library databases. Papers concerning detection or prediction of AL with biomarkers were identified. References within the papers were used to identify further relevant articles. Results: Research has taken place in small cohorts with varying definitions of AL. Lactate has consistently been shown to be elevated in patients with intra-abdominal complications and ALs. pH on post-operative day 3 showed excellent specificity. Despite mixed results, a meta-analysis found that the cytokines tumour necrosis factor-α and interleukin-6 were elevated early in AL. Detection of bacteria in drain fluid by RT-PCR has good specificity but a high rate of false positives. Conclusions: Peritoneal cytokines, lactate and pH have the potential to identify AL early. The consistency of the results for lactate and pH, alongside the fact that they are easy, quick and inexpensive to test, makes them the most attractive targets. Studies in larger cohorts with standardized definitions of AL are required to clarify their usefulness. Emerging biosensor technology may facilitate the development of small, low-cost and degradable intra-abdominal devices to measure peritoneal fluid biomarkers.
| Item Type: | Articles |
|---|---|
| Additional Information: | The authors gratefully acknowledge the financial assistance from grants from The Aileen Lynn Bequest Fund, Royal College of Physicians and Surgeons of Glasgow and from the Ileostomy Association, West of Scotland and UK |
| Status: | Published |
| Refereed: | Yes |
| Glasgow Author(s) Enlighten ID: | Moug, Ms Susan and Wright, Ms Emma and Vella, Mr Mark |
| Authors: | Wright, E. C., Connolly, P., Vella, M., and Moug, S. |
| College/School: | College of Medical Veterinary and Life Sciences > School of Medicine, Dentistry & Nursing |
| Journal Name: | International Journal of Colorectal Disease |
| Publisher: | Springer Verlag |
| ISSN: | 0179-1958 |
| ISSN (Online): | 1432-1262 |
| Published Online: | 12 April 2017 |
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