exsanguination/hypoxie

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Cardiopulmonary arrest following penetrating trauma: guidelines for emergency hospital management of presumed exsanguination.

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Exsanguination may be presumed in pale, mottled, unresponsive trauma victims with no palpable pulse nor spontaneous respirations with noncranial penetrating wounds. Under ideal circumstances, those victims initially witnessed to have some signs of life can be successfully revived in 5 to 25% of

Ventricular fibrillation in the patient with blunt trauma: not always exsanguination.

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Three cases of successful prehospital resuscitation of blunt trauma patients sustaining cardiac arrest resulting from ventricular fibrillation are reported. Although probably uncommon, ventricular fibrillation not caused by severe hypovolemia, exsanguination, or severe hypoxia in the setting of

Retinal large vessel oxygen saturations correlate with early blood loss and hypoxia in anesthetized swine.

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BACKGROUND Noninvasive monitoring would likely improve trauma care. Using laser technology, we monitored the oxygen saturation in retinal vessels during exsanguination and hypoxia. METHODS Seven anesthetized swine were bled at 0.4 mL/kg/min for 40 minutes. During exsanguination, retinal venous

Sodium pentobarbital dosages for exsanguination affect biochemical, molecular and histological measurements in rats.

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Rodents are widely used for animal research in Egypt. Pentobarbital is the most common anesthetic agent; however overdoses may affect the experimental outcomes and limit the use of tissues. To investigate the effects of sodium pentobarbital overdoses during exsanguination, three groups (6

Water-soluble fullerene derivatives attenuate exsanguination-induced bronchoconstriction of guinea-pigs.

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1. This study investigated the effects of increased antioxidants (administration of water-soluble fullerenol-1 and pre-exposure to chronic hypoxia) as well as an iron-chelating agent (deferoxamine) on exsanguination-induced noncholinergic airway constriction in guinea-pigs. 2. Fullerenol-1 usually

Extracellular volume fraction and diffusion characteristics during progressive ischemia and terminal anoxia in the spinal cord of the rat.

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Extracellular space (ECS) volume fraction (alpha), ECS tortuosity (lambda), and nonspecific uptake (k'), three parameters affecting the diffusion of substances in nervous tissue, were studied during ischemia and anoxia in the rat spinal cord gray matter in vivo. Progressive ischemia evoked by

Circulatory load during hypoxia impairs post-transplant myocardial functional recovery in donation after cardiac death.

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BACKGROUND Circulatory load during hypoxia is unavoidable in donation after cardiac death (DCD) hearts, but it causes severe myocardial damage. The impact of circulatory load on donor heart function has not been investigated. The purpose of this study was to evaluate its effect on post-transplant

Synergistic deleterious effect of hypoxemia and hypovolemia on microcirculation in intestinal villi*.

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OBJECTIVE To investigate the effect of hypoxemia, hemorrhagic shock, and the association of both of these on intestinal microcirculation (microcirculatory perfusion and leukocytes-endothelium interactions in postcapillary venules), as it can be encountered in hemorrhagic shock following

Effects of controlled hypoxemia or hypovolemia on global and intestinal oxygenation and perfusion in isoflurane anesthetized horses receiving an alpha-2-agonist infusion.

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BACKGROUND Aim of this prospective experimental study was to assess effects of systemic hypoxemia and hypovolemia on global and gastrointestinal oxygenation and perfusion in anesthetized horses. Therefore, we anesthetized twelve systemically healthy warmblood horses using either xylazine or

Retinal venous oxygen saturation and cardiac output during controlled hemorrhage and resuscitation.

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The objective was to test calibration of an eye oximeter (EOX) in a vitiligo swine eye and correlate retinal venous oxygen saturation (Srv(O(2))), mixed venous oxygen saturation (Sv(O(2))), and cardiac output (CO) during robust changes in blood volume. Ten anesthetized adult Sinclair swine with

Synergistic Effects of Forensic Medicine and Traumatology: Comparison of Clinical Diagnosis Autopsy Findings in Trauma-Related Deaths.

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Trauma is the third leading cause of death worldwide after cardiovascular and oncologic diseases. Predominant causes of trauma-related death (TD) are severe traumatic brain injury (sTBI), hemorrhagic shock, and multiple organ failure. An analysis of TD is required in order to review

A Novel Difficult-Airway Prediction Tool for Emergency Airway Management: Validation of the HEAVEN Criteria in a Large Air Medical Cohort.

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Difficult-airway prediction tools help identify optimal airway techniques, but were derived in elective surgery patients and may not be applicable to emergency rapid sequence intubation (RSI). The HEAVEN criteria (Hypoxemia, Extremes of size, Anatomic abnormalities, Vomit/blood/fluid,

A technique of hand digit reconstruction using scarred and deformed donor segments.

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UNASSIGNED Hand digit reconstruction with transposition of hand segments in cases of hand injury is not used frequently by surgeons, at least in part because of potential ischemic complications after cicatricial changes in tissues. The aim of this study was to investigate the opportunities for

Recognition and management of catheter-induced pulmonary artery rupture.

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BACKGROUND Catheter-induced pulmonary artery rupture is a well-recognized complication of invasive monitoring, but the risk has not diminished. Although commonly associated with cardiopulmonary bypass, injuries also occur in intensive care. Definitive proof requires pulmonary angiography or autopsy.

The Connection of Life with Respiration: Edmund Goodwyn's unexplored treasure of cardiopulmonary physiology.

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The advent of artificial ventilation was largely sparked by the popular belief that drowning and other causes of asphyxia could induce death-like states known as suspended animation. While the mystical nature of such states befuddled some physicians into the early 1900s, an English medical student

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