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Management of Patients With High C-reactive Protein After Scheduled Resection of Colorectal Cancer

ABSTRACT: Anastomotic fistula is the most feared complication after surgical resection of colorectal cancer (CCR). It occurs in 6 to 15% of patients. Beyond the risk of death in the immediate postoperative period, the pain that it induces, the resources required for its management, the need for stomata with a negative impact on patients’ quality of life and the prolongation of hospitalization, it also has a now-recognized adverse effect on long-term survival. The early detection of this complication may limit its impact. C-reactive protein (CRP) has proved to be an early, reliable marker of the onset of infectious complications of colorectal surgery. However, the diagnostic procedure to implement in these patients is not at all codified, since this population concerned by systematic CRP assay in the postoperative period is very recent. The procedures to implement in these patients so that they can obtain the maximal benefit of an early diagnosis have not yet been established. An algorithm for the proactive clinical management must be drawn up to be able to confirm or rule out the presence of a fistula as soon as a high level of CRP is detected, and to propose a quick treatment to ensure that patients benefit from this early diagnosis.

DISEASE(S): Colorectal Neoplasms,Colon And/or Rectal Resection With Anastomosis For Cancer

PROVIDER: 2240088 | ecrin-mdr-crc |

REPOSITORIES: ECRIN MDR

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Project description:Background: CrohnM-bM-^@M-^Ys disease is presently an incurable inflammatory bowel disease. Fistulae are extensions of the intestinal tract that may form connections with other organs. These are a common complication of CrohnM-bM-^@M-^Ys disease affecting up to 50% of patients with the most common including perianal and rectovaginal fistulae. The dysregulated growth observed in fistulae shares several major characteristics seen in the development of tumours. These similarities include epithelial-to-mesenchymal transition (EMT), invasive cell growth, increased extracellular matrix production and remodelling, up-regulated local expression of growth factors such as IGF-1 and the down-regulation of apoptosis pathways. Although several susceptibility loci have been described within CrohnM-bM-^@M-^Ys disease there is no individual gene or mutation that identifies susceptibility or the subsequent formation of fistulae within all people. Copy-number variation (CNV) is one mechanism that may explain much of this genetic complexity. CNV may be caused by a variety of mechanisms such as cycles of chromosomal breakage/fusion/bridging that are typical within chronically inflamed tissue. Interestingly CNV shows locus-specific mutation rates between individuals higher than that of SNPs and has been associated with complex Mendelian traits including disease susceptibility. In this current study we performed array comparative genomic hybridisation (aCGH) analysis of active fistulae resected from patients as part of a previous surgical intervention. As the control for comparison we employed tissue taken from the same patient within the same surgery at an uninvolved site of the gastrointestinal tract. This matched control was employed to better investigate CNV specific to the fistula tissue of each individual avoiding complications associated with the large number of CNV present within the healthy population. Major question addressed by the work: What are the differences in genetic copy-number within localised intestinal fistula tissue of individuals with CrohnM-bM-^@M-^Ys disease compared to healthy intestinal tissue from the same individual? Samples were selected from patients presenting with CrohnM-bM-^@M-^Ys Disease fistulae at Eastern Health Department of Gastroenterology and Hepatology (Arnold Street, Box Hill, Victoria, Australia). The 8 samples used in this study were formalin-fixed paraffin-embedded (FFPE) specimens following a surgical intervention to remove fistula tissue. To focus on changes within the individual patient we used tissue taken from the same surgery at an uninvolved region of the intestine as the matched control for CNV analysis.

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Management of Patients With High C-reactive Protein After Scheduled Resection of Colorectal Cancer

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