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Query: UMLS:C0036690 (sepsis)
 59,461 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

Fluid loading with balanced salt solution (BSS) was carried out in 200 patients with extensive soft tissue injuries from severe beatings. Urinary volume and dipstick specific gravity testing were used to monitor renal function with administration of furosemide for persistent oliguria. Acute intrinsic renal failure (AIRF) occurred in 21 patients (10.5%) and five patients died (2.5%); two of hyperkalemia, two of sepsis and one of multiple organ failure. Significantly increased rates of AIRF and death were associated with injury-admission intervals of more than 12 hours, severe metabolic acidosis, low initial hemoglobin, heavy pigmenturia, and high serum creatine kinase (CK) levels. An increased serum creatinine/BUN ratio was noted in four of the five patients who died. An average of 7.5 L fluids was needed in non-AIRF patients to achieve adequate diuresis with a mean positive fluid balance of 4.7 L. No patient without pigmenturia developed AIRF. Balanced salt solution volume diuresis supplemented with furosemide as necessary appears to be safe and effective in preventing AIRF in soft tissue injuries sustained in beatings.
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PMID:Traumatic rhabdomyolysis from severe beating--experience of volume diuresis in 200 patients. 806 19

Reactive oxygen species (ROS) have been implicated in the pathogenesis of the structural and functional alterations to tissues that are associated with a variety of pathological processes, including: sepsis and septic shock, thermal injury, doxorubicin-induced cardiomyopathy, hemorrhagic shock, and mesenteric ischemia/reperfusion (I/R) injury. Pyruvate (CH3COCOO-), a small molecule that is normally regarded as a key intermediate in the oxidative or anaerobic metabolism of glucose, is also a potent and effective ROS scavenger. Unfortunately, the usefulness of pyruvate as a therapeutic agent is abrogated by its very poor stability in solution. In an effort to take advantage of the ability of pyruvate to scavenge ROS while avoiding the problems associated with the instability of pyruvate in solution, we have developed a novel resuscitation fluid, which consists of a simple derivative of pyruvic acid, ethyl pyruvate, dissolved in a calcium-containing balanced salt solution. We call this solution Ringer's Ethyl Pyruvate Solution (REPS), and have shown in preliminary studies that treatment with REPS can improve outcome in a variety of animal models of critical illness.
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PMID:Ringer's ethyl pyruvate solution: a novel resuscitation fluid. 1137 8

This study examines a concurrent profiling of circulating and extravasated polymorphonuclear leukocytes (PMNs) in a rat model of experimental sepsis. Fecal peritonitis was induced in Wistar male rats by intraperitoneal instillation of a fecal suspension in saline (1:1 w/v). Blood and peritoneal fluid were collected 8 h following fecal inoculation for the evaluation of inflammatory response of PMNs using zymosan-induced luminol-dependent chemiluminescence. Fifty microliters of pre-diluted blood or peritoneal fluid samples were mixed with 150 microl of reaction mixture (4 x 10(-4) M luminol+50 microg opsonized zymosan+0.1% gelatin in Hank's balanced salt solution) and the chemiluminescence signal was measured in a luminometer at 37 degrees C. Fecal peritonitis caused a significant leukocytopenia (3540+/-297 mm(-3) versus control value of 7525+/-711 mm(-3), p < 0.001) accompanied by massive infiltration of PMNs in the peritoneal cavity (34700+/-4006 versus 7325+/-425 mm(-3), p < 0.001). The phagocytic activity of circulating blood PMNs was down-regulated whereas a significant up-regulation was observed in the activity of PMNs from peritoneal fluid. In conclusion, this study clearly demonstrates sepsis-induced alterations in both blood and peritoneal fluid PMNs and their quantitative assessment may be helpful in disease evaluation and designing effective therapies.
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PMID:Zymosan-induced luminol-dependent chemiluminescence response of circulating and extravasated leukocytes in experimental sepsis. 1520 54

Systemic heparinization during continuous renal replacement therapy (CRRT) is associated with disadvantage of risk of bleeding. This study analyses the efficacy of frequent saline flushes compared with heparin anticoagulation to maintain filter life. From January 2004 to November 2007, 65 critically ill patients with acute renal failure underwent CRRT. Continuous venovenous hemodialfiltration (CVVHDF) was performed using Diapact Braun CRRT machine. 1.7% P.D. fluid was used as dialysate. 0.9% NS with addition of 10% Ca Gluconate, Magnesium Sulphate, Soda bicarbonate and Potassium Chloride added sequentially in separate units were used for replacement, carefully monitoring their levels. Anticoagulation of extracorporeal circuit was achieved with unfractionated heparin (250-500 units alternate hour) in 35 patients targeting aPTT of 45-55 seconds. No anticoagulation was used in 30 patients with baseline APTT > 55 seconds and extracorporeal circuit was maintained with saline flushes at 30 min interval. 65 patients including 42 males. Co-morbidities were comparable in both groups. HMARF was significantly more common in heparin group while Sepsis was comparable in both the groups. CRRT parameters were similar in both groups. Average filter life in heparin group was 26 +/- 6.4 hours while it was 24.5 +/- 6.36 hours in heparin free group (P=NS). Patients receiving heparin had 16 bleeding episodes (0.45/patient) while only four bleeding episodes occurred in heparin free group (0.13/patient, P < 0.05). Mortality was 71% in heparin group and 67% in heparin free group. Frequent saline flushes is an effective mode of maintainance of extracorporeal circuit in CRRT when aPTT is already on the higher side, with significantly decreased bleeding episodes.
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PMID:Comparative study of anticoagulation versus saline flushes in continuous renal replacement therapy. 2042 72

The physiology of the neonate is ideally suited to the transition to extrauterine life followed by a period of rapid growth and development. Intravenous fluids and electrolytes should be prescribed with care in the neonate. Sodium and water requirements in the first few days of life are low and should be increased after the postnatal diuresis. Expansion of the extracellular fluid volume prior to the postnatal diuresis is associated with poor outcomes, particularly in preterm infants. Newborn infants are prone to hypoglycemia and require a source of intravenous glucose if enteral feeds are withheld. Anemia is common, and untreated is associated with poor outcomes. Liberal versus restrictive transfusion practices are controversial, but liberal transfusion practices (accompanied by measures to minimize donor exposure) may be associated with improved long-term outcomes. Intravenous crystalloids are as effective as albumin to treat hypotension, and semi-synthetic colloids cannot be recommended at this time. Inotropes should be used to treat hypotension unresponsive to intravenous fluid, ideally guided by assessment of perfusion rather than blood pressure alone. Noninvasive methods of assessing cardiac output have been validated in neonates. More studies are required to guide fluid management in neonates, particularly in those with sepsis or undergoing surgery. A balanced salt solution such as Hartmann's or Plasmalyte should be used to replace losses during surgery (and blood or coagulation factors as indicated). Excessive fluid administration during surgery should be avoided.
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PMID:Fluid homeostasis in the neonate. 2429 60

Histidine-rich glycoprotein (HRG) treatment ameliorated the survival rate of septic mice by suppressing excess immunothrombus formation. Although such findings suggested that HRG may be one of the most useful drugs for sepsis, obtaining a stable experimental system to standardize the HRG drug product is difficult to achieve using neutrophils isolated from volunteers. This is due to the short survival time and individual differences of human neutrophils. In the present study, we determined whether the differentiated neutrophil-like cell lines exhibited similar responses to HRG compared with human purified neutrophils. All-trans retinoic acid (ATRA) was employed to induce the differentiation of the human myeloid leukemia cell lines HL-60 and NB-4. Thereafter, the cells were treated with Hank's balanced salt solution, human serum albumin, or HRG. The effects of HRG on these cells were evaluated according to cell shape, microcapillary passage, reactive oxygen species (ROS) production, neutrophil extracellular traps (NETs) formation, the expression of activated CD11b, and cell viability. HRG maintained the round shape of differentiated neutrophil-like cells, decreased the time required by cells to pass through the microcapillaries, and inhibited ROS production, NETs formation, and the expression of activated CD11b on the cell surface. Moreover, the cells could survive longer in the presence of HRG than the control. The ATRA-induced differentiated cell lines could be used as alternatives to neutrophils to investigate the effects of HRG on neutrophils. This method can thus be used as an essential standardization test in pharmaceutical development. SIGNIFICANCE STATEMENT: Human neutrophils exhibit varying responses to histidine-rich glycoprotein (HRG); however, all-trans retinoic acid-induced differentiated neutrophil-like cell lines can be used as reliably proxies to investigate the effects of HRG on neutrophils. Additionally, these cell lines can be employed in the development of therapies for the treatment of sepsis.
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PMID:An Evaluation of the Activity of Histidine-Rich Glycoprotein on Differentiated Neutrophil-Like Cells from Human Cell Lines. 3307 79