Resuscitation
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The delivery of supplemental oxygen is a critical part in the management of patients presenting with acute hypoxemia. While a number of delivery options are available, one of easiest and least invasive is the simple facemask or "Venturi" mask. Worldwide, these types of masks have been used for over 50 years. ⋯ The original Venturi mask was created by the British physician Earl James Moran Campbell. It was named after the Italian physicist Giovanni Battista Venturi who described the principal of increased velocity of a gas resulting in lower pressures, Campbell incorporated Venturi's principle into the oxygen delivery facemask. By using this principle, precise oxygen delivery occurs, thus, representing the standard of supplemental oxygen facemasks today.
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We report on a trauma victim without history of or risk factors for cardiac disease, who suffered coronary artery dissection caused by blunt chest injury (BCI). Myocardial ischaemia was detected by multislice computed tomography (MSCT) promptly after trauma centre admission and managed by immediate revascularisation. ⋯ MSCT, as part of initial work-up in severely injured patients, may support differential diagnosis after BCI. Tirofiban and unfractionated heparin as short-acting anticoagulants warrant stent patency and concurrently offer the possibility of quick recovery of haemostasis in case of haemorrhage.
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Comparative Study
Effect of therapeutic hypothermia vs δ-opioid receptor agonist on post resuscitation myocardial function in a rat model of CPR.
This study is to compare the effect of the δ-opioid receptor agonist, D-Ala(2)-D-Leu(5) enkephalin (DADLE) with normothermic control and therapeutic hypothermia on post resuscitation myocardial function and 72-h survival in a rat model of cardiac arrest and resuscitation. ⋯ DADLE attenuated post resuscitation myocardial dysfunction and increased short term survival time. However, the 72-h survival in the DADLE group was less than that in the hypothermia group.
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Ondansetron is a 5-HT3 receptor antagonist with potent antiemetic, analgesic, and antiphlogistic effects. Recent evidence suggests that the co-existence of 5-HT3 receptors in various cell types is involved in inflammation. However, the effects that 5-HT3 antagonists produce in haemorrhagic shock and resuscitation remain unknown. In this study, we hypothesized that ondansetron administration in male rats, after haemorrhagic shock, decreases cytokine production and protects against hepatic injury through a p38 mitogen-activated protein kinase (MAPK) pathway. ⋯ Ondansetron attenuates hepatic injury following haemorrhagic shock, which is, at least in part, to be due to its anti-inflammatory effect via p38 MAPK signal pathway.