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Pain Relief After Colorectal Surgery: Spinal Combined With Painbuster vs Painbuster Alone.

ABSTRACT: Limiting surgical stress and managing postoperative pain are well understood to influence recovery and outcome from major surgery for colorectal cancer and both are fundamental aspects of enhanced recovery protocols. Traditional approaches for dealing with these problems such as epidural or patient controlled intravenous opioid analgesia are associated with problems that may be detrimental to postoperative recovery and surgical outcome. As a result there is evidence in the literature of increasing interest in alternative techniques such as intrathecal anaesthesia or continuous wound infusion of local anaesthetic, however nobody has examined the effect of combining the techniques or their impact on the surgical stress response. We intend to compare patients undergoing major resections for colorectal cancer receiving intrathecal anaesthesia in combination with a wound infusion of local anaesthetic with those receiving a continuous wound infusion alone. We will examine the surgical stress response and postoperative pain control in addition to objective measures of postoperative recovery. We suggest that our approach will attenuate the surgical stress response and provide optimal pain control that will ultimately translate in improved recovery and outcome following surgery for colorectal cancer.

DISEASE(S): Colorectal Cancer,Colorectal Neoplasms,Cancer

PROVIDER: 2172099 | ecrin-mdr-crc |

REPOSITORIES: ECRIN MDR

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Project description:Treatment options and reliable predictive marker to determine patients at risk to develop postoperative LD and to define the optimal time point of liver resection are limited. Accordingly, there is an urgent need for an easily assessable preoperative test to predict postoperative liver function recovery, specifically as current markers are often expensive, time consuming and sometimes invasive. Emerging evidence suggests that microRNA (miRNA) signatures represent potent diagnostic, prognostic and treatment response biomarkers for several diseases. Using next-generation sequencing as an unbiased systematic approach 554 miRNAs were detected in preoperative plasma of 21 patients suffering from postoperative LD after liver resection and 27 matched controls. Subsequently, we identified a miRNA signature - consisting of miRNAs 151a-5p, 192-5p and 122-5p - that highly correlated with patients developing postoperative LD after liver resection. The predictive potential for postoperative LD was subsequently confirmed using real-time PCR in an independent validation cohort of 98 patients. Ultimately, a regression model of the two miRNA ratios 151a-5p to 192-5p and 122-5p to 151a-5p was found to reliably predict postoperative LD, severe morbidity, prolonged intensive care unit and hospital stay and even mortality prior to surgery with a remarkable accuracy, thereby outperforming established markers of postoperative LD. Ultimately, we documented that miRNA ratios closely followed liver function recovery after partial hepatectomy. Conclusion: Given the clinical relevance of predicting potentially fatal postoperative clinical outcome after liver resection, our data demonstrate the clinical utility of a novel miRNA-based biomarker to support the selection of patients undergoing partial hepatectomy. The dynamical changes during liver function recovery indicate a possible role in tailoring the optimal time point of surgery to each individual patient. Thereby, our data might help to tailor surgical strategies to the specific risk profile of individual patients.

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Pain Relief After Colorectal Surgery: Spinal Combined With Painbuster vs Painbuster Alone.

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