Hypovolemia

01/01/2014 - "From baseline to hypovolemia T1, there was a significant reduction in mean ± SD oxygen delivery index (619 ± 257 mL/min/m(2) to 205 ± 76 mL/min/m(2)) and Sto2 (94 ± 4.4% to 78 ± 12.2%). "
08/01/1995 - "The data show that there is less clearance of 99mTc-LEH from the bloodstream by the reticuloendothelial system after a 50% hypovolemic exchange transfusion, thus supporting the possible use of LEH as an oxygen-carrying resuscitative fluid in situations of severe blood loss."
01/01/2013 - "Central Venous-to-Arterial CO2 Gap Is a Useful Parameter in Monitoring Hypovolemia-Caused Altered Oxygen Balance: Animal Study."
11/01/2011 - "The objective of the present study was to test the hypothesis that controlled, adequately compensated, central hypovolemia in subjects with intact autoregulation would be associated with decreased peripheral microcirculatory diffusion and convection properties and, consequently, decreased tissue oxygen carrying capacity and tissue oxygenation. "
09/15/2014 - "During normothermia, a reduction in near-infrared spectroscopy (NIRS)-derived tissue oxygen saturation (So2) is an indicator of central hypovolemia. "

10/01/2015 - "The results suggest that water and sodium ingestion in response to hypovolemic/hypotensive stimuli are disturbed in nephrotic rats, and provide evidence that the disordered behaviors reflect disturbances of the peripheral renin-angiotensin-aldosterone system."
10/01/2014 - "Knowledge of the cumulative balance of sodium (CBS) is important for the diagnosis of salt disorders and water homeostasis and has the potential to predict hypovolemic status in acute neurological patients. "
12/01/2011 - "Pulse pressure, heart rate, temperature, respiratory rate, sodium, and chloride were found to have statistically significant differences between Discharged and Deceased groups for "Hypovolemia" patients. "
05/01/2009 - "Modern HES preparations are dissolved in balanced, plasma-adapted solutions that no longer contain unphysiological amounts of sodium and chloride and are thus suitable for correcting hypovolemia."
11/01/2007 - "The hyperdynamic circulation is most likely initiated by arterial vasodilatation, leading to central hypovolemia, sodium retention, and an increased intravascular volume. "

01/01/2009 - "Human serum albumin is a well tolerated therapeutic for the treatment of hypovolemia. "
07/01/2003 - "The most common indication for albumin use was hypotension/hypovolemia (23.9%), followed by bypass-pump priming (16.3%), intradialytic blood pressure support (9.6%), and serum albumin values less than 2 g/dL (8.6%). "
09/01/2004 - "Serum albumin is widely used for the treatment of hypovolemia, shock, hyperbilirubinemia or acute liver failure. "
09/01/1983 - "Duplicate experiments were conducted at three levels of plasma volume:control, hypovolemia, in which blood volume (BV) was reduced an average of 490 ml (9.7%) with diuretics, and hypervolemia, in which BV was increased an average of 440 ml (7.8%) by infusing an isotonic solution containing 5% human serum albumin. "
12/01/1981 - "The data from control (normo-volemic), hypovolemic [8.7% reduction in blood volume (BV) induced by diuretics], and hypervolemic [7.9% expansion of BV induced by infusion if isotonic serum albumin] tests revealed significant effects of BV on body fluid and sweating responses. "

09/01/2014 - "The use of colloids remains controversial; however, current evidence suggests they can be beneficial in intraoperative patients with objective evidence of hypovolemia. "
01/01/2006 - "The efficacy of using colloids and crystalloids in the treatment of hypovolemia still remains controversial. "
11/06/2013 - "Among ICU patients with hypovolemia, the use of colloids vs crystalloids did not result in a significant difference in 28-day mortality. "
01/01/2013 - "Basically, the only indication for a colloid is intravascular hypovolemia. "
12/01/2012 - "When patients met the criteria for hypovolemia, 10 mL/kg of colloids or red blood cells were administered over 10 minutes. "

10/01/2001 - "The effects of hemoglobin glutamer-200 (bovine) on the microcirculation in a canine hypovolemia model: a noninvasive computer-assisted intravital microscopy study."
10/01/2001 - "We sought to correlate in vivo microvascular, systemic function, hemodynamic, and oxygenation changes in autologous shed blood (n = 4) and hemoglobin glutamer-200 (Hb-200) (n = 4) resuscitations in hypovolemic dogs. "
11/01/2003 - "The colloidal properties of Oxyglobin allow for expansion of the circulatory volume, which may be helpful in patients with hypovolemia, especially hemorrhagic shock. "
02/01/2001 - "We have studied the efficacy of the first licensed veterinary blood substitute, hemoglobin glutamer-200 bovine (Oxyglobin; Biopure, Cambridge, MA, USA, Hb-200), in a canine model of acute hypovolemia and examined whether clinically commonly used criteria are adequate to guide fluid resuscitation with this product. "
03/01/2008 - "Measuring circulating blood volume using infused hemoglobin-based oxygen carrier (oxyglobin) as an indicator: verification in a canine hypovolemia model."

03/01/1960 - "The consequence of repeated infusions of potassium in acute compensated hypovolemia."
01/01/1994 - "Therapy must be directed toward each of the metabolic disturbances: hyperosmolality, ketoacidosis, hypovolemia and potassium, and phosphate depletion. "
09/01/1999 - "The case reminded us once again the importance and necessity of the use of potassium-low blood component (fresh, saline-washed RBCs) in case of massive and rapid blood transfusion especially in pediatric patients with hypovolemia and low cardiac output."
01/01/2004 - "Children received standard therapy for severe malaria; in addition, they received boluses of either 0.9% saline or 4.5% human albumin solution to correct hypovolemia, and intravenous potassium replacement was prescribed to children who developed hypokalemia (plasma potassium <3 mmol/L). "
09/01/1990 - "Patients with bulimia nervosa more often experience severe fluid and electrolyte abnormalities resulting in hypovolemia, secondary hyperaldosteronism, depletion of total body potassium, and cardiac arrhythmias. "

05/01/2007 - "The present studies investigated the influence of presystemic signals on the control of thirst, salt appetite, and vasopressin (VP) secretion in rats during nonhypotensive hypovolemia. "
06/01/2002 - "The present study was designed to find out whether centrally administered vasopressin (AVP) may influence the cardiovascular adaptation to hypotensive hypovolemia in SHR rats. "
02/01/1996 - "These studies do not provide evidence of a role for vasopressin in the maintenance of arterial pressure during the acute development of hypotensive hypovolemia in human subjects, but they do provide evidence of a modest role for vasopressin in the maintenance of arterial pressure when the effect of hypovolemia is more moderate and sustained."
02/01/1996 - "The response of vasopressin and its role in the maintenance of arterial pressure during and after development of hypotensive central hypovolemia were studied in tilt table studies in quadriplegic subjects. "
10/01/1994 - "The present study examined the hypothesis that hypovolemia stimulates vasopressin (VP) secretion by removing tonic inhibitory baroreceptor input. "

05/01/1999 - "It is as effective as 6% hetastarch in saline for the treatment of hypovolemia but has a more favorable side effects profile in volumes of up to 5 L compared with 6% hetastarch in saline."
05/01/1999 - "The results of this study demonstrate that Hextend, with its novel buffered, balanced electrolyte formulation, is as effective as 6% hetastarch in saline for the treatment of hypovolemia and may be a safe alternative even when used in volumes up to 5 L. "
05/01/1999 - "In a prospective, randomized, two-center study (n = 120), we compared the efficacy and safety of Hextend versus 6% hetastarch in saline (HES) for the treatment of hypovolemia during major surgery. "
08/01/2015 - "Hydroxyethyl starch (HES) solutions are used as plasma expanders for correcting hypovolemia, but can lead to impaired coagulation. "
07/01/2012 - "Hypovolemia group were exsanguinated 20% blood volume within 5 minutes, hypervolemia group: additional infusion of hydroxyethyl starch equal to 20% blood volume,and control group: no intervention. "

10/17/2003 - "The present study was carried out to investigate whether water intake alters the release of noradrenaline (NA) in the MnPO area caused by hypovolemia in freely moving rats. "
08/01/2008 - "Plasma norepinephrine (NE) and forearm blood flow were measured before and during hypovolemia, and forearm vascular resistance (FVR) was calculated. "
10/17/2003 - "Drinking decreases the noradrenaline release in the median preoptic area caused by hypovolemia in the rat."
01/01/1991 - "However, it is uncertain whether hypothalamic norepinephrine is involved in the hypovolemic thirst mediated via stimulation of renin-angiotensin system."
01/01/1982 - "Blood pressure responses to noradrenaline were studied in anesthetised rats subjected to hypovolemia by a constant pressure--open reservoir technique. "

11/01/2008 - "Tissue hemoglobin monitoring of progressive central hypovolemia in humans using broadband diffuse optical spectroscopy."
01/01/2008 - "Meanwhile, baseline hypovolemia exaggerates the lowering of peak hemoglobin concentration. "
01/01/2008 - "In baseline hypovolemia, the peak reduction of hemoglobin concentration was 16.0% at the end of infusion, while it was only 11.8%, when participants were normovolemic (P<0.004). "
08/01/2006 - "Broadband DOS provides a potential platform for reliable non-invasive measurements of tissue oxygenated and deoxygenated hemoglobin and may accurately reflect the degree of systemic hypovolemia and compromised tissue perfusion."
08/01/2006 - "Broadband diffuse optical spectroscopy measurement of hemoglobin concentration during hypovolemia in rabbits."

02/01/1995 - "Despite the established efficacy of 7.5% NaCl/6% dextran-70 in the treatment of hypovolemia, the optimal formulation of a hyperosmotic/hyperoncotic small volume resuscitation solution has yet to be defined. "
06/01/1989 - "Physician recognition of these concepts can result in improved resuscitation of hypovolemic patients."
05/01/2013 - "The dIVC, both during inspiration (IVCi) and expiration (IVCe), was measured in hypovolemic patients both before and after fluid resuscitation, and they were also measured in healthy volunteers during the time they participated in the study. "
11/01/1989 - "Results of these studies suggested that either the IV or intra-aortic administration of 7.5% NaCl solution in cats can induce beneficial hemodynamic effects that may be of value in the field resuscitation of hypovolemic patients."
12/01/2015 - "On the basis of tissue oxygenation index findings, hypovolemia decreased oxygen consumption, and fluid resuscitation recovered this parameter. "

04/01/2014 - "Accurate assessment of blood volume (BV) may be helpful for prescribing hemodialysis (HD) and for reducing complications related to hypovolemia and volume overload. "
04/01/2004 - "Model-based study of the effects of the hemodialysis technique on the compensatory response to hypovolemia."
09/01/2013 - "Although this finding does not exclude a role of hypovolemia because of the limitations of the measurement of relative blood volume, it raises the possibility that non-volume-related mechanisms are involved in the early decrease in mean e' during hemodialysis."
08/01/2013 - "Results demonstrate the potential to use model-based measures to serve as a definitive presymptom predictive tool to recognize an impending hypovolemic condition, making this approach suitable for chronic care or for the management of hemodialysis patient where resting baseline measures can be obtained."
01/01/2010 - "In 44 subjects, PVI and Pulse Pressure (PP) variation after PLR were measured before and after induced hypovolemia (blood gift or hemodialysis session). "

06/01/2011 - "Recent evidence has indicated that the efficacy of the epidural blood patch (EBP) in the treatment of spontaneous CSF hypovolemia (SCH) is still limited. "
11/14/2000 - "Patients with CSF hypovolemia frequently have distinct MRI and radioisotope cisternographic abnormalities and often respond favorably to an epidural blood patch."
05/01/2012 - "An epidural blood patch (EBP) is a widely accepted standard procedure to treat CSF hypovolemia, especially when the epidural CSF leak is detected by spinal MRI or CT myelography (CTM). "
05/01/2012 - "A novel technique of multiple-site epidural blood patch administration for the treatment of cerebrospinal fluid hypovolemia."
06/01/2011 - "Fluoroscopically guided epidural blood patch with subsequent spinal CT scans in the treatment of spontaneous cerebrospinal fluid hypovolemia."

03/01/1983 - "We attempted to determine whether central venous catheters are effective for rapid fluid administration in moderately to severely hypovolemic patients. "
06/01/2015 - "Typically, the causes include hypovolemia, kinks in the circuit, cannula malposition, or inadequate cannula size. "
05/01/2012 - "An efficient treatment option for CSF hypovolemia is provided by the new application method of EBP with the aid of an intravenous catheter as a slidable device, which enables infusion of a sufficient amount of autologous blood into multiple epidural areas with a single lumbar entry point."
05/01/2012 - "An EBP was applied via an epidural catheter in 5 patients with spontaneous CSF hypovolemia (3 men and 2 women; mean age 47.2 years, range 34-65 years). "
11/01/2010 - "Under hypovolemic conditions, the angle of the cannula tip could be changed to induce varying degrees of ventricular suction and then eliminate it, as evidenced by recorded pump and native left ventricular flows. "

01/01/2007 - "The intrathoracic pressure regulator (ITPR) plus positive pressure ventilation (PPV) has been shown to improve coronary and cerebral perfusion pressures during hypovolemia by improving mean arterial blood pressure and by decreasing right atrial and intracranial pressures. "
04/01/2015 - "The hemodynamic effects of positive-pressure ventilation (PPV) remain incompletely understood but may be equally important, particularly in the hypovolemic patient with TBI. "
01/01/2014 - "Respiratory Variations in Pulse Pressure Reflect Central Hypovolemia during Noninvasive Positive Pressure Ventilation."
07/01/2012 - "In the hypovolemia group, HR, CVP and SVV were evaluated accompanying with the increasing of PEEP, but MAP, CI, SVI and ITBVI submitted decreasing tendency. "
04/01/2007 - "Therefore, we hypothesized that if stroke volume (SV) is reduced by an increase in PEEP this reduction is an indicator of hypovolemia or preload responsiveness, i.e. "