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      Effects of cococonut water and simvastatin in the treatment of sepsis and hemorrhagic shock in rats

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          Abstract

          ABSTRACT PURPOSE: To evaluate the effects of modified coconut water as fluid of resuscitation combined with simvastatin in hemorrhagic shock and sepsis model in rats. METHODS: Four groups of Wistar rats with hemorrhagic shock and abdominal sepsis were studied (n=8/group). Rats were bled and maintained at a mean blood pressure 35mmHg for 60min. They were then resuscitated with: 1) saline 0.9%; 2) coconut water+3% NaCl; 3) coconut water+NaCl 3%+simvastatin microemulsion (10 mg/kg i.v.; 4) normal coconut water. At 8h post-resuscitation, blood and lungs were collected for exams. RESULTS: Clinical scores, TNF-α, IL-1β, liver/kidney proof levels, and lung injury were significantly reduced in coconut water+NaCl 3%+simvastatin group treated rats, comparing with the other resuscitation treatments. CONCLUSIONS: Resuscitation with coconut water with Nacl 3%+simvastatin had a significant beneficial effect on downregulating cytokines and decreasing lung injury in a rat model of abdominal sepsis and hemorrhagic shock. We also demonstrated that coconut water with Nacl 3%+simvastatin administration clearly made liver and kidney function better and improved clinical score.

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          Most cited references65

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          An official American Thoracic Society workshop report: features and measurements of experimental acute lung injury in animals.

          Acute lung injury (ALI) is well defined in humans, but there is no agreement as to the main features of acute lung injury in animal models. A Committee was organized to determine the main features that characterize ALI in animal models and to identify the most relevant methods to assess these features. We used a Delphi approach in which a series of questionnaires were distributed to a panel of experts in experimental lung injury. The Committee concluded that the main features of experimental ALI include histological evidence of tissue injury, alteration of the alveolar capillary barrier, presence of an inflammatory response, and evidence of physiological dysfunction; they recommended that, to determine if ALI has occurred, at least three of these four main features of ALI should be present. The Committee also identified key "very relevant" and "somewhat relevant" measurements for each of the main features of ALI and recommended the use of least one "very relevant" measurement and preferably one or two additional separate measurements to determine if a main feature of ALI is present. Finally, the Committee emphasized that not all of the measurements listed can or should be performed in every study, and that measurements not included in the list are by no means "irrelevant." Our list of features and measurements of ALI is intended as a guide for investigators, and ultimately investigators should choose the particular measurements that best suit the experimental questions being addressed as well as take into consideration any unique aspects of the experimental design.
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            Early goal-directed therapy in severe sepsis and septic shock revisited: concepts, controversies, and contemporary findings.

            Studies of acute myocardial infarction, trauma, and stroke have been translated into improved outcomes by earlier diagnosis and application of therapy at the most proximal stage of hospital presentation. Most therapies for these diseases are instituted prior to admission to an ICU; this approach to the sepsis patient has been lacking. In response, a trial comparing early goal-directed therapy (EGDT) vs standard care was performed using specific criteria for the early identification of high-risk sepsis patients, verified definitions, and a consensus-derived protocol to reverse the hemodynamic perturbations of hypovolemia, vasoregulation, myocardial suppression, and increased metabolic demands. Five years after the EGDT publication, there has been much discussion generated with regard to the concepts of EGDT, as well as debate fueled regarding diagnostic and therapeutic interventions. However, during this time period further investigations by the primary investigators and others have brought additional contemporary findings. EGDT modulates some of the components of inflammation, as reflected by improved organ function. The end points used in the EGDT protocol, the outcome results, and the cost-effectiveness have subsequently been externally validated, revealing similar or even better findings than those from the original trial. Although EGDT is faced with challenges, a coordinated approach to sepsis management is necessary to duplicate the progress in outcomes seen in patients with conditions such as acute myocardial infarction, stroke, and trauma.
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              A modified goal-directed protocol improves clinical outcomes in intensive care unit patients with septic shock: a randomized controlled trial.

              We evaluated whether a goal-directed protocol, without measurement of central venous oxygen saturation, would improve survival in medical intensive care unit (ICU) patients with septic shock. This is a prospective, controlled study in a 24-bed medical ICU at a tertiary care hospital. From a total of 241 consecutive patients with septic shock, 224 were randomly assigned to receive therapy with or without a written protocol using central venous pressure, mean arterial pressure, and urine output as therapeutic goals. Baseline characteristics were similar between groups. Implementation of goal-directed therapy caused a more rapid reversal of persistent shock (47 +/- 22.8 vs. 65.4 +/- 32.1 h, P = 0.006) and decreases of ICU (50% vs. 67.2%, P = 0.009) and in-hospital (53.7% vs. 71.6%, P = 0.006) mortality rates compared with non-goal-directed therapy. Patients receiving goal-directed therapy also had less risk for developing central nervous system or renal failure than patients without. Patients with goal-directed therapy received more fluid during the period of persistent shock (136.2 +/- 119 vs. 88.6 +/- 57.7 mL h, P = 0.034) and less delay in vasopressor administration (78 +/- 22.2 vs. 104.4 +/- 29 min, P = 0.001) than patients with non-goal therapy. Implementation of a goal-directed protocol improves survival and clinical outcomes in ICU patients with septic shock. These benefits may arise from adequate fluid resuscitation, earlier vasopressor administration, rapid shock reversal, and protection of major organ function. With central venous oxygen saturation measurement to detect tissue perfusion, the clinical outcomes may be further improved.
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                Author and article information

                Contributors
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Journal
                acb
                Acta Cirurgica Brasileira
                Acta Cir. Bras.
                Sociedade Brasileira para o Desenvolvimento da Pesquisa em Cirurgia (São Paulo, SP, Brazil )
                0102-8650
                1678-2674
                December 2016
                : 31
                : 12
                : 826-833
                Affiliations
                [2] Natal Rio Grande do Norte orgnameUniversidade Federal do Rio Grande do Norte orgdiv1Department of Pharmacy Brazil
                [1] Natal Rio Grande do Norte orgnameUniversidade Federal do Rio Grande do Norte Brazil
                [3] Natal Rio Grande do Norte orgnameUniversidade Federal do Rio Grande do Norte orgdiv1Nucleus of Experimental Surgery Brazil
                Article
                S0102-86502016001200826
                10.1590/s0102-865020160120000008
                4a5878a4-27b5-45b0-9279-a80d3bc76d52

                This work is licensed under a Creative Commons Attribution 4.0 International License.

                History
                : 15 August 2016
                : 18 November 2016
                Page count
                Figures: 0, Tables: 0, Equations: 0, References: 43, Pages: 8
                Product

                SciELO Brazil


                Shock,Hemorrhagic,Sepsis,Resuscitation,Simvastatin,Foods Containing Coconut,Rats

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