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Preoperative assessment and postoperative outcomes after high risk cases of abdominal cancers

ABSTRACT: Intervention1: NA: NA Control Intervention1: NA: NA Primary outcome(s): Postoperative complications as per Clavien Dindo class of complicationsTimepoint: From day of surgery to 30 days postoperatively

DISEASE(S): Malignant Neoplasm Of Rectum,Malignant Neoplasm Of Rectosigmoidjunction,Malignant Neoplasm Of Colon, Unspecified,Malignant Neoplasm Of Small Intestine, Unspecified,Malignant Neoplasm Of Gallbladder,Malignant Neoplasm Of Stomach, Unspecified,Malignant Neoplasm Of Liver, Not Specified As Primary Or Secondary,Malignant Neoplasm Of Pancreas, Unspecified

PROVIDER: 2600944 | ecrin-mdr-crc |

REPOSITORIES: ECRIN MDR

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Project description:BACKGROUND:Major abdominal surgery (MAS) is associated with increased morbidity and mortality. The main objective of our study was to evaluate the predictive value of heart-rate variability (HRV) concerning development of postoperative complications in patients undergoing MAS. The secondary objectives were to identify the relationship of HRV and use of vasoactive drugs during anesthesia, intensive care unit length of stay (ICU-LOS), and hospital length of stay (H-LOS). PATIENTS AND METHODS:Sixty-five patients scheduled for elective MAS were enrolled in a prospective, single-center, observational study. HRV was measured by spectral analysis (SA) preoperatively during orthostatic load. Patients were divided according to cardiac autonomic reactivity (CAR; n=23) and non-cardiac autonomic reactivity (NCAR; n=30). RESULTS:The final analysis included 53 patients. No significant difference was observed between the two groups regarding type of surgery, use of minimally invasive techniques or epidural catheter, duration of surgery and anesthesia, or the amount of fluid administered intraoperatively. The NCAR group had significantly greater intraoperative blood loss than the CAR group (541.7±541.9 mL vs 269.6±174.3 mL, p<0.05). In the NCAR group, vasoactive drugs were used during anesthesia more frequently (n=21 vs n=4; p<0.001), and more patients had at least one postoperative complication compared to the CAR group (n=19 vs n=4; p<0.01). Furthermore, the NCAR group had more serious complications (Clavien-Dindo ≥ Grade III n=6 vs n=0; p<0.05) and a greater number of complications than the CAR group (n=57 vs n=5; p<0.001). Significant differences were found for two specific subgroups of complications: hypotension requiring vasoactive drugs (NCAR: n=10 vs CAR: n=0; p<0.01) and ileus (NCAR: n=11 vs CAR: n=2; p<0.05). Moreover, significant differences were found in the ICU-LOS (NCAR: 5.7±3.5 days vs CAR: 2.6±0.7 days; p<0.0001) and H-LOS (NCAR: 12.2±5.6 days vs CAR: 7.2±1.7 days; p<0.0001). CONCLUSION:Preoperative HRV assessment during orthostatic load is objective and useful for identifying patients with low autonomic physiological reserves and high risk of poor post-operative course.

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Preoperative assessment and postoperative outcomes after high risk cases of abdominal cancers

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