BackgroundAlthough 0.8 mg/kg is considered a lethal dose of colchicine, fatal cases of patients who followed a critical disease course after an intake below this lethal dose have been reported.Case presentationAn 18-year-old Japanese woman who had taken an overdose of prescription colchicine (15 mg; 0.2 mg/kg) was brought to our emergency out-patient department. Although her colchicine intake was below 0.8 mg/kg (considered the lethal dose), she reached a critical state and underwent three phases characterizing colchicine poisoning (gastrointestinal symptoms, multiple organ failure, and recovery). Her condition was critical, with a Sequential Organ Failure Assessment score of a maximum of 14.ConclusionsPatients might reach a critical stage after colchicine ingestion at a non-lethal dose. Thus, it might be necessary to review which dose of colchicine should be considered lethal.
Background Several clinical guidelines recommend monitoring blood lactate levels and central venous oxygen saturation for hemodynamic management of patients with sepsis. We hypothesized that carbon dioxide production (VCO2) and oxygen extraction (VO2) evaluated using indirect calorimetry (IC) might provide additional information to understand the dynamic metabolic changes in sepsis. Methods Adult patients with sepsis who required mechanical ventilation in the intensive care unit (ICU) of our hospital between September 2019 and March 2020 were prospectively enrolled. Sepsis was diagnosed according to Sepsis-3. Continuous measurement of VCO2 and VO2 using IC for 2 h was conducted within 24 h after tracheal intubation, and the changes in VCO2 and VO2 over 2 h were calculated as the slopes by linear regression analysis. Furthermore, temporal lactate changes were evaluated. The primary outcome was 28-day survival. Results Thirty-four patients with sepsis were enrolled, 26 of whom survived 76%. Significant differences in the slope of VCO2 (− 1.412 vs. − 0.446) (p = 0.012) and VO2 (− 2.098 vs. − 0.851) (p = 0.023) changes were observed between non-survivors and survivors. Of note, all eight non-survivors and 17 of the 26 survivors showed negative slopes of VCO2 and VO2 changes. For these patients, 17 survivors had a median lactate of − 2.4% changes per hour (%/h), whereas non-survivors had a median lactate of 2.6%/hr (p = 0.023). Conclusions The non-survivors in this study showed temporal decreases in both VCO2 and VO2 along with lactate elevation. Monitoring the temporal changes in VCO2 and VO2 along with blood lactate levels may be useful in predicting the prognosis of sepsis.
An 89-year-old man presenting with consciousness disturbances and a temperature of 104°F was admitted to our hospital. He did not need help performing activities of daily living, and he had no dementia and no relevant medical history. Blood test and urinalysis findings, carbon monoxide levels, cerebrospinal fluid, blood cultures, and head computed tomography and electroencephalography findings were all normal. His state of consciousness gradually improved after cooling. However, a neurological examination revealed truncal ataxia, disorientation, and abulia; therefore, brain diffusion-weighted magnetic resonance imaging (DW-MRI) including measurement of the apparent diffusion coefficient (ADC) was performed on day 7, revealing hyperintensity and a reduced ADC value in the bilateral cerebellar hemispheres and globus pallidus (Picture). Severe heat stroke is often accompanied by neurological complications, particu
Extracorporeal membrane oxygenation (ECMO) therapy might be controversial when patients with advanced malignant disease develop heart or lung failure refractory to conventional management. Especially as for the hematological malignancy patients, the induction of ECMO therapy must be considered carefully, since it is often associated with bleeding complications or infectious diseases. Here, we report a case of life-threatening airway obstruction requiring ECMO. The trachea of the patient was narrowed by an anterior mediastinal tumor too highly to ventilate both lungs, so she had to be connected to venovenous-ECMO (VV-ECMO) before pathological examination and radical treatment were planned. During the intensive care with ECMO, she was diagnosed with malignant lymphoma and the chemotherapy was started. The chemotherapy brought such an immediate result that the trachea regained its patency and ECMO was disconnected 9 days after the initiation of the chemotherapy. Then, the patient was able to leave the intensive care unit with no sequelae. Central airway obstruction is a life-threatening situation, in which prompt decisions are essential. On the other hand, if the airway is impaired by hematological malignancy, it might be generally challenging to consider ECMO as a bridge until the chemotherapy takes an effect. The prognosis of hematological malignancy differs according to its subtype or stage, so it may be reasonable to take ECMO therapy into consideration for some population.
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