Carbon monoxide (CO) poisoning results in high morbidity and mortality worldwide. CO is described as a "silent killer" because CO is colorless, odorless, and tasteless but highly toxic. The diagnosis of acute CO poisoning depends on the history of exposure to a source of fire in a closed space along with the clinical and laboratory findings. The pathophysiology of CO poisoning is not fully understood; however, it is proved that CO induces hypoxia by forming carboxyhemoglobin (COHb) and shifting the oxygen dissociation curve to the left. The molecular mechanisms of CO poisoning include oxidative injury through the generation of free radicals. In addition, oxygen therapy might enhance the reactive oxygen species (ROS) production and result in reperfusion injury. Free radicals could induce a serious impact on vital organs, including the heart, and brain. L-Carnitine is an endogenous mitochondrial constituent that contributes to normal mitochondrial activities. L-Carnitine is an antioxidant with potent ROS scavenging ability. ROS-mediated pathology of CO suggests that antioxidants are potentially useful agents in the alleviation of CO toxicity. Thus, the current study will investigate the therapeutic efficacy of L-Carnitine in improving the prognosis of acute CO poisoning. The current clinical trial will include patients with moderate and severe acute carbon monoxide poisoning according to Poisoning Severity Score.
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Troponin level
Timeframe: In follow-up 24 hours after admission