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The impact of two different transfusion strategies on patient immune response during major abdominal surgery: a preliminary report.

ABSTRACT: Blood transfusion is associated with well-known risks. We investigated the difference between a restrictive versus a liberal transfusion strategy on the immune response, as expressed by the production of inflammatory mediators, in patients subjected to major abdominal surgery procedures. Fifty-eight patients undergoing major abdominal surgery were randomized preoperatively to either a restrictive transfusion protocol or a liberal transfusion protocol (with transfusion if hemoglobin dropped below 7.7?g?dL(-1) or 9.9?g?dL(-1), respectively). In a subgroup of 20 patients randomly selected from the original allocation groups, blood was sampled for measurement of IL-6, IL-10, and TNF?. Postoperative levels of IL-10 were higher in the liberal transfusion group on the first postoperative day (49.82 ± 29.07 vs. 15.83 ± 13.22?pg?mL(-1), P < 0.05). Peak postoperative IL-10 levels correlated with the units of blood transfused as well as the mean duration of storage and the storage time of the oldest unit transfused (r(2) = 0.38, P = 0.032, r(2) = 0.52, P = 0.007, and r(2) = 0.68, P<0.001, respectively). IL-10 levels were elevated in patients with a more liberal red blood cell transfusion strategy. The strength of the association between anti-inflammatory IL-10 and transfusion variables indicates that IL-10 may be an important factor in transfusion-associated immunomodulation. This trial is registered under ClinicalTrials.gov Identifier: NCT02020525.

SUBMITTER: Theodoraki K

PROVIDER: S-EPMC3996304 | biostudies-literature | 2014

REPOSITORIES: biostudies-literature

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The impact of two different transfusion strategies on patient immune response during major abdominal surgery: a preliminary report.

Theodoraki Kassiani K Markatou Maria M Rizos Demetrios D Fassoulaki Argyro A

Journal of immunology research 20140403

Blood transfusion is associated with well-known risks. We investigated the difference between a restrictive versus a liberal transfusion strategy on the immune response, as expressed by the production of inflammatory mediators, in patients subjected to major abdominal surgery procedures. Fifty-eight patients undergoing major abdominal surgery were randomized preoperatively to either a restrictive transfusion protocol or a liberal transfusion protocol (with transfusion if hemoglobin dropped below ...[more]

PMID: 24804272

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Project description:ImportanceA combined subjective and objective wireless monitoring program of patient-centered outcomes can be carried out in patients before and after major abdominal cancer surgery.ObjectiveTo conduct a proof-of-concept pilot study of a wireless, patient-centered outcomes monitoring program before and after major abdominal cancer surgery.Design, setting, and participantsIn this proof-of-concept pilot study, patients wore wristband pedometers and completed online patient-reported outcome surveys (symptoms and quality of life) 3 to 7 days before surgery, during hospitalization, and up to 2 weeks after discharge. Reminders via email were generated for all moderate to severe scores for symptoms and quality of life. Surgery-related data were collected via electronic medical records, and complications were calculated using the Clavien-Dindo classification. The study was carried out in the inpatient and outpatient surgical oncology unit of one National Cancer Institute-designated comprehensive cancer center. Eligible patients were scheduled to undergo curative resection for hepatobiliary and gastrointestinal cancers, were English speaking, and were 18 years or older. Twenty participants were enrolled over 4 months. The study dates were April 1, 2015, to July 31, 2016.Main outcomes and measuresOutcomes included adherence to wearing the pedometer, adherence to completing the surveys (MD Anderson Symptom Inventory and EuroQol 5-dimensional descriptive system), and satisfaction with the monitoring program.ResultsThis study included a final sample of 20 patients (median age, 55.5 years [range, 22-74 years]; 15 [75%] female) with evaluable data. Pedometer adherence (88% [17 of 20] before surgery vs 83% [16 of 20] after discharge) was higher than survey adherence (65% to 75% [13 of 20 and 15 of 20] completed). The median number of daily steps at day 7 was 1689 (19% of daily steps at baseline), which correlated with the Comprehensive Complication Index, for which the median was 15 of 100 (r = -0.64, P < .05). Postdischarge overall symptom severity (2.3 of 10) and symptom interference with activities (3.5 of 10) were mild. Pain (4.4 of 10), fatigue (4.7 of 10), and appetite loss (4.0 of 10) were moderate after surgery. Quality-of-life scores were lowest at discharge (66.6 of 100) but improved at week 2 (73.9 of 100). While patient-reported outcomes returned to baseline at 2 weeks, the number of daily steps was only one-third of preoperative baseline.Conclusions and relevanceWireless monitoring of combined subjective and objective patient-centered outcomes can be carried out in the surgical oncology setting. Preoperative and postoperative patient-centered outcomes have the potential of identifying high-risk populations who may need additional interventions to support postoperative functional and symptom recovery.

Project description:BackgroundThe effect of early achievement of energy targets (EAETs) using different nutritional support strategies in patients undergoing major abdominal surgery is unclear. This study determined the impact of EAETs on the incidence of nosocomial infections in patients undergoing major abdominal surgery.MethodsThis was a secondary analysis of two open-label randomized clinical trials. Patients from the general surgery department of 11 academic hospitals in China undergoing major abdominal surgery and at nutritional risk (Nutritional risk screening 2002≥3) were divided into two groups based on whether they met the 70% energy targets, the EAET (521 EAET and non-achievement of energy target (114 NAET) groups. The primary outcome was the incidence of nosocomial infections between postoperative day 3 and discharge, and the secondary outcomes were actual energy and protein intake, postoperative noninfectious complications, intensive care unit admission, mechanical ventilation, and hospital stay.ResultsOverall, 635 patients [mean (SD) age, 59.5 (11.3) years] were included. The EAET group received more mean energy between days 3 and 7 than the NAET group (22.7±5.0 vs. 15.1±4.8 kcal/kg/d; P <0.001). The EAET group had significantly fewer nosocomial infections than the NAET group [46/521(8.8%) vs. 21/114(18.4%); risk difference, 9.6%; 95% CI, 2.1-17.1%; P =0.004]. A significant difference was found in the mean (SD) number of noninfectious complications between the EAET and NAET groups [121/521(23.2%) vs. 38/114(33.3%); risk difference, 10.1%; 95% CI, 0.7-19.5%; P =0.024]. The nutritional status of the EAET group was significantly improved at discharge compared with the NAET group ( P <0.001), and other indicators were comparable between groups.ConclusionEAETs was associated with fewer nosocomial infections and improved clinical outcomes, regardless of the nutritional support strategy (early enteral nutrition alone or combined with early supplemental parenteral nutrition).

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The impact of two different transfusion strategies on patient immune response during major abdominal surgery: a preliminary report.

Publications

The impact of two different transfusion strategies on patient immune response during major abdominal surgery: a preliminary report.

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