Background Snakebite can cause various complications, including coagulopathy. The clinical features of snakebite-associated coagulopathy differ from those of disseminated intravascular coagulation (DIC) caused by other diseases and its treatment is controversial.
Methods We retrospectively reviewed the medical records of patients hospitalized for snakebite between January 2006 and September 2018.
Results A total of 226 patients were hospitalized due to snakebite. Their median hospital stay was 4.0 days (interquartile range, 2.0 to 7.0 days). Five patients arrived at hospital with shock and one patient died. Twenty-one patients had overt DIC according to the International Society of Thrombosis and Hemostasis scoring system. Two patients developed major bleeding complications. Initial lower cholesterol level at presentation was associated with the development of overt DIC. International normalization ratio (INR) exceeding the laboratory’s measurement limit was recorded as late as 4 to 5 days after the bite. Higher antivenom doses (≥18,000 units) and transfusion of fresh frozen plasma (FFP) or cryoprecipitate did not affect prolonged INR duration or hospital stay in the overt DIC patients without bleeding.
Conclusions Initial lower cholesterol level may be a risk factor for overt DIC following snakebite. Although patients lack apparent symptoms, the risk of coagulopathy should be assessed for at least 4 to 5 days following snakebite. Higher antivenom doses and transfusion of FFP or cryoprecipitate may be unbeneficial for coagulopathic patients without bleeding.
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Background Few reports have documented the clinical characteristics and treatment outcomes of adult patients with Elizabethkingia meningoseptica infection.
Methods Medical records of patients over 18 years of age and suspected of having an E. meningoseptica infection from March 1, 2006 to February 28, 2013 were reviewed retrospectively. Their clinical characteristics, antimicrobial susceptibility results, and treatment outcomes were analyzed.
Results E. meningoseptica was isolated from 30 patients. Median age was 68.5 years, and infections were more frequent in males (17, 56.7%). The most common isolation source was sputum (23, 76.7%), and pneumonia was the most common condition (21, 70%) after excluding two cases of colonization. This bacterium was most susceptible to minocycline (27, 90%) and fluoroquinolones, including levofloxacin (20, 66.7%) and ciprofloxacin (18, 60%). The mortality rate due directly to E. meningoseptica infection was 20% (6/30), and uncontrolled pneumonia was the only cause of death. After isolating E. meningoseptica, the numbers of patients with pneumonia (9/9, 100% vs. 12/21, 57.1%), history of hemodialysis (5/9, 55.6% vs. 3/21, 14.3%), tracheostomy (8/9, 88.9 vs. 10/21, 47.6%), and median Charlson comorbidity index score (6 [range, 3–9] vs. 4 [range, 0–9]) were significantly higher in non-survivors than those in survivors (p < 0.05, for each). However, only 12 (40%) patients received appropriate antibiotics.
Conclusions E. meningoseptica infection most commonly presented as pneumonia in adults with severe underlying diseases. Despite the high mortality rate, the rate of appropriate antibiotic use was notably low.
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BACKGROUND The point of this study is focused on the rescuer's fatigue may increase as the ratio of chest compression-ventilation increases. METHODS 10 students of emergency medical service and resucue had participated in this study. Cardiopulmonary resuscitation (CPR) was carried out with Laerdal's ResusciAnne with 4 types of compression-ventilation ratio (C-V ratio), and the data was recorded. The rescuer's fatigue was subjectively estimated with the visual analogue scale (VAS), objective fatigue was measured by median frequency which was acquired from the electromyography (EMG) signal, heart rate and the serum lactate level was measured.
Statistical analysis was accomplished within each C-V ratios. RESULTS As C-V ratio increased from 15 : 2 to 30 : 2, the quality of chest compression was improved. Subjective fatigue was increased significantly when C-V ratio increased to 30 : 2 from 15 : 2 and to 60 : 2 from 45 : 2. Gradual downward transition of the median frequency on EMG was shown as a result of increments of C-V ratio. Significant serum lactate accumulation had shown on ratio of 60 : 2 compare to other ratios. CONCLUSIONS Fatigue of the rescuers will be aggravated by increase of C-V ratio. Rapid rescuer change is preferable when C-V ratio is increased.