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Background and objective Epinephrine (Ep) is the first choice as a vasoconstrictor in cardiopulmonary resuscitation (CPR) for patients with cardiopulmonary arrest (CPA); however, the Ep concentration in the serum of CPA patients is still unclear. The aim of this study was to evaluate the association between serum Ep levels and achieving the return of spontaneous circulation (ROSC) in out-of-hospital cardiac arrest (OHCA) patients with ventricular fibrillation (VF). Methods This was a prospective, observational clinical study involving OHCA patients with VF transferred to our hospital from July 2014 to July 2017. The measurement of serum catecholamines [Ep, norepinephrine (Nep), and dopamine (DOA)] and vasopressin [antidiuretic hormone (ADH)] levels was performed with blood samples obtained immediately upon patients' arrival at our hospital. Patients were classified into two groups: the ROSC(+) group and ROSC(-) group; the serum concentrations of catecholamines and ADH were compared between these two groups. Results The serum Ep and Nep levels were lower in the ROSC(+) group than those in the ROSC(-) group and the difference was statistically significant. On the other hand, no significant differences were found in serum DOA and ADH levels between the two groups. Conclusions The results of this study suggest that an increment in serum Ep levels does not promote achieving ROSC in OHCA patients with VF.
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[This corrects the article DOI: 10.1016/j.heliyon.2023.e15278.].
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Background Tetanus is an infectious disease caused by Clostridium tetani, which produces tetanospasmin. Intensive care using sedatives and muscle relaxants is required for the management of severe tetanus, however, long-term use of those medicines is associated with the occurrence of post-intensive care syndrome (PICS). Shakuyakukanzoto (SKT), which is clinically used for the treatment of pain associated with sudden myospasm widely, is one of Kampo medicines, and some studies showed that they are effective in treating muscle spasms caused by tetanus. The purpose of this study is to evaluate the usefulness of SKT in the management of tetanus patients from the viewpoint of the reduction of sedatives. Methods Patients who were diagnosed with tetanus and were treated in our hospital between January 2006 and December 2022 were included. Patients were divided into two groups, patients treated with SKT and those without SKT, and the background information and clinical courses, especially the reduction of sedatives, were compared between the two groups. Results There were five tetanus patients who were treated with SKT (SKT(+) group) and two tetanus patients without SKT (SKT(-) group), respectively. Intubation and mechanical ventilation were required for the management of generalized seizures in all seven patients, who were admitted to the intensive care unit (ICU). The administration of propofol could be discontinued after an average of 8.6 days (range: 3-22 days) from the initiation of SKT administration. The dosage of propofol was lower in patients who received SKT versus those who did not; midazolam and fentanyl exhibited a similar tendency. The mean durations of ICU and hospital stays for patients treated with or without SKT were almost equal (the mean durations of ICU stay in SKT(+) and SKT(-) groups were 22.6 and 24.0 days, and those of hospital stay in SKT(+) and SKT(-) groups were 35.2 and 36.0 days, respectively). All seven patients were discharged and transferred to another hospital for rehabilitation. Conclusions SKT may be useful in the management of myospasms in patients with tetanus. It may also prevent the occurrence of PICU in patients with tetanus who require intensive care by reducing the use of sedatives and analgesics.
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Purpose Elderly trauma patients have a higher risk of severe disability and death, and this outcome burden in elderly trauma patients must be addressed in countries in which the population is aging. The clarification of the unique clinical features of elderly people who have experienced trauma is important. The purpose of this study is to evaluate the significance of the treatment for elderly severe trauma patients based on the prognosis and total hospital cost. Methods Trauma patients transferred to our emergency department (ED) and admitted to our intensive care unit (ICU) directly or through emergency surgery between January 2013 and December 2019 were examined. We divided patients into three groups: <65 years old (Group Y); 65-79 years old (Group M); and ≥80 years old (Group E). We compared the pre- and post-trauma American Society of Anesthesiology Physical Status (ASA-PS) score and the Katz Activities of Daily Living (ADL) questionnaire at arrival among the three groups. In addition, the duration of ICU and hospital stays, hospital mortality, and total treatment costs were compared. Results There were 1,652 patients admitted to ICU through the ED from January 2013 to December 2019. Of those patients, 197 trauma patients were analyzed. There was no significant difference in injury severity scores between the groups. Significant differences in both the ASA-PS and Katz-ADL scores in posttrauma status were observed among the three groups (posttrauma ASA-PS, 2.0 (2.0, 2.8) in Group Y, 3.0 (2.0, 3.0) in Group M, 3.0 (3.0, 3.0) in Group E, p < 0.001*, posttrauma Katz-ADL, 10.0 (3.3, 12.0) in Group Y, 5.5 (2.0, 10.0) in Group M, 2.0 (0.5, 4.0) in Group E, p < 0.001). The duration of both ICU and hospital stay was significantly longer in Group E compared to the other groups (ICU stay, 4.0 (3.0, 6.5) days in Group Y, 4.0 (3.0, 9.8) days in Group M, 6.5 (3.0, 15.3) days, p = 0.006, hospital stay, 16.9 (8.6, 33.0) days in Group Y, 26.7 (12.0, 51.8) days in Group M, 32.5 (12.8, 51.5) days in Group E, p = 0.005). ICU and hospital mortality were highest in Group E compared with the other groups, but the differences were not significant. Finally, the total hospital cost in Group E was significantly higher than the other groups. Conclusions In elderly trauma patients who required intensive care, PS and ADL in posttrauma status were worse, ICU and hospital stays were longer, and ICU and hospital mortality were higher compared with younger patients. In addition, medical costs were greater in elderly patients. It is supposed that the therapeutic effect observed in young trauma patients cannot be expected in elderly trauma patients.
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Background: Blunt chest trauma is a common presentation in emergency departments. The relationship between bone fractures and organ injuries has not been studied in detail. The purpose of this study was to examine the degree of external force represented by the number of rib fractures that causes lung injury in blunt chest trauma. Patients and methods: This study was performed retrospectively using trauma patients who received medical examinations in a single university hospital emergency center between April 2015 and March 2020. We examined the association between the number of rib fractures and pulmonary damage using multivariable regression analysis and considered the relationship between rib fracture location and each type of lung injury. Results: A total of 317 patients were included. The mean age was 63.1 years, 65.0% were male, and traffic accidents were the most common mechanism of injury (55.8%). The number of mean rib fractures was 4.0, and the mean Injury Severity Score was 11.3. The number of rib fractures was associated with an increased risk of pulmonary injuries: pulmonary contusion (odds ratio [OR] 1.30, 95% confidence interval [CI] 1.14-1.48, p < 0.05); hemothorax (OR 1.22, 95% CI 1.08-1.38, p < 0.05); pneumothorax (OR 1.15, 95% CI 1.02-1.30, p < 0.05); and hemopneumothorax (OR 1.14, 95% CI 1.01-1.28, p < 0.05). In addition, bilateral rib fractures were associated with fractures of the superior ribs more often and more severely, but were not associated with the occurrence of each type of lung injury. Conclusion: The number of rib fractures was associated with an increased risk of pulmonary injuries. In addition, the type of pulmonary injury could be predicted from the number of rib fractures in blunt chest trauma.
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The aim of the present study was to evaluate the usefulness of measuring whole blood coagulation with Sonoclot to predict return of spontaneous circulation (ROSC) in patients with out-of-hospital cardiopulmonary arrest (OHCA). This was a prospective, observational clinical study on patients with OHCA who were transferred to our emergency department between August 2016 and July 2018. Patients were divided into two groups: patients with return of spontaneous circulation (ROSC[+] group) and those without (ROSC[-] group). We compared the activated clotting time (ACT), clot rate (CR), and platelet function (PF) as measured with Sonoclot, and the fibrinogen degradation products (FDP) level and D-dimer level between the two groups. We analyzed 87 patients: 37 in the ROSC(+) and 50 in the ROSC(-) groups. Regarding ACT, CR, PF, FDP, and D-dimer, we used receiver operating characteristic (ROC) curves to examine how well each factor predicts ROSC. The area under the ROC curve (AUC) of CR was higher than that of the FDP and D-dimer levels. Among patients with cardiogenic cardiac arrest, the AUC of CR was higher than the AUCs of other coagulation factors. In conclusion, viscoelastic blood coagulation measurements using Sonoclot may be useful for predicting ROSC in OHCA patients.
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BACKGROUND: Out-of-hospital cardiac arrest (OHCA) patients who convert from an initial non-shockable rhythm to a subsequent shockable rhythm reportedly have a better prognosis for survival than those without rhythm conversion. We evaluated the effectiveness of extracorporeal cardiopulmonary resuscitation (ECPR) for OHCA patients with a subsequent shockable rhythm. METHODS: This study was conducted using the Japanese Association of Acute Medicine OHCA registry. We included OHCA patients with a subsequent shockable rhythm from June 2014 to December 2017. The included patients were divided into those with and without ECPR. The primary outcome was 30-day survival. Logistic regression analysis and propensity score matching were performed to compare the outcomes between patients with and without ECPR. RESULTS: A total of 2,102 patients were analyzed, consisting of 162 with ECPR and 1,940 without ECPR. Before propensity score matching, 24 (14.8%) patients with ECPR and 61 (3.1%) patients without ECPR survived for 30 days; ECPR was associated with increased survival (P < 0.05; odds ratio [OR], 5.35; 95% confidence interval [CI], 3.09-9.02). After propensity score matching, 22/149 (14.8%) patients with ECPR and 10/149 (6.7%) patients without ECPR survived for 30 days; ECPR was associated with increased survival (P < 0.05; OR, 2.40; 95% CI, 1.04-5.91). CONCLUSIONS: ECPR was associated with increased survival among OHCA patients with a subsequent shockable rhythm.
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Reanimación Cardiopulmonar , Paro Cardíaco Extrahospitalario , Humanos , Paro Cardíaco Extrahospitalario/terapia , Pronóstico , Sistema de Registros , Estudios RetrospectivosRESUMEN
AIM: This study evaluated whether the prehospital administered dosage of epinephrine (Ep) influences the plasma levels of catecholamines in patients with out-of-hospital cardiac arrest (OHCA). METHODS: This was a prospective, observational clinical study. Patients with OHCA transferred to our hospital between July 2014 and July 2017 were analyzed. The plasma levels of catecholamines were measured using blood samples obtained immediately upon arrival at the hospital and before the administration of Ep. Patients were divided into three groups based on the prehospital administered dosage of Ep: no prehospital administration (group Z); 1 mg of Ep (group O); and 2 mg of Ep (group T). The levels of catecholamines, as well as the conditions of resuscitation prior to and after arrival at the hospital were compared between the three groups. RESULTS: We analyzed 145 patients with OHCA (96, 38, and 11 patients in groups Z, O, and T, respectively). Group T exhibited the highest plasma levels of Ep with a statistically significant difference, however, there were no significant differences in the plasma levels of norepinephrine (Nep), dopamine (DOA) and vasopressin (ADH) among the three groups. CONCLUSION: The prehospital administered dosage of Ep influences the plasma levels of Ep; however, it does not contribute to the plasma levels of Nep, DOA and ADH in patients with OHCA.
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PURPOSE: The dynamic state of epinephrine (Ep) in the plasma of patients with out-of-hospital cardiac arrest (OHCA) remains unclear. The purpose of this study was to evaluate the relationship between the plasma levels of catecholamines (such as epinephrine (Ep), norepinephrine (Nep), and dopamine) and vasopressin (antidiuretic hormone (ADH)) and the acquisition of return of spontaneous circulation (ROSC) in OHCA patients. METHODS: This was a prospective, observational clinical study. Patients with OHCA transferred to our hospital between July 2014 and July 2017 were enrolled. The levels of catecholamines and ADH in the plasma were measured using blood samples immediately obtained on arrival at our hospital and before the administration of Ep. Patients in whom Ep was already administered prior to obtaining blood samples were excluded. Patients were divided into two groups: with and without ROSC, that is, ROSC (+) and ROSC (-) groups, respectively. The plasma levels of these agents and the conditions of resuscitation were compared between the two groups. RESULTS: A total of 96 patients with OHCA were analyzed. The ROSC (+) and ROSC (-) groups included 34 and 62 patients, respectively. There were no significant differences observed between the two groups in age, cause of cardiopulmonary arrest, and prehospital resuscitation time. The plasma levels of Ep and Nep were significantly lower in the ROSC (+) group than in the ROSC (-) group. However, there were no significant differences in the plasma levels of dopamine and ADH between the two groups. CONCLUSION: Increased levels of Ep in the plasma may not be associated with the acquisition of ROSC in patients with OHCA.
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OBJECTIVES: We evaluated the impact of age in septic patients admitted through the ER on clinical outcome and cost. METHODS: Patients with sepsis admitted to the intensive care unit (ICU) through the emergency room in our hospital between January 2013 and December 2018 were analyzed. They were divided into three groups according to their age: <65 years (group Y); 65-79 years (group M); and ≥80 years (group E). The duration of ICU and hospital stay, prognosis, and total hospital costs were compared among the three groups. RESULTS: During this period, 1,392 patients were admitted to the ICU through the emergency room, and 174 patients with sepsis were analyzed. There were 49, 79, and 46 patients in groups Y, M, and E, respectively. There was no significant difference in ICU stay. Group E exhibited the shortest hospital stay and the lowest total hospital cost with statistically significant difference (p = 0.010 and p = 0.007, respectively). However, group E showed the highest rate of hospital mortality (30.4%) compared to groups Y and M (14.3% and 21.5%, respectively; p = 0.163). CONCLUSIONS: Elderly (aged ≥80 years) emergency patients with sepsis require shorter hospital stay and are associated with lower total hospital cost. However, it may be difficult for these patients to maintain the hospital mortality equivalent to those observed in patients aged <80 years.
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Neuroleptic malignant syndrome is a rare but life-threatening disorder associated with the use of neuroleptic drugs, and is characterized by fever, altered mental status, muscle rigidity, autonomic instability, myoclonus, elevated creatine kinase levels, rhabdomyolysis, and leukocytosis. Previous reports have shown that most patients with neuroleptic malignant syndrome recover without neurologic sequelae. Some patients with neuroleptic malignant syndrome show reversible magnetic resonance imaging (changes in the brain. The severe neurological impairments do not persist in neuroleptic malignant syndrome patients with reversible lesions. Here, we describe a 66-year-old Japanese woman who was diagnosed with septic shock secondary to obstructive pyelonephritis. She was administered haloperidol for delirium and developed neuroleptic malignant syndrome. Magnetic resonance imaging of the brain showed diffuse hyperintense signals in the cerebellar cortex, cerebellar dentate nucleus, superior cerebellar peduncle, and thalamus on T2-weighted imaging or fluid-attenuated inversion recovery, and in the bilateral substantia nigra and bilateral globus pallidus on diffusion-weighted imaging. Subsequently, the signal intensities of the cerebellar and thalamic lesions diminished and the basal ganglia lesions disappeared, but the severe neurologic sequelae remained. The cerebellum is reportedly particularly sensitive to thermal damage because Purkinje cells are believed to be vulnerable to heat. Although brain imaging studies revealed reversible changes, her disturbance of consciousness was prolonged. Therefore, brain magnetic resonance imaging findings might not reflect the neurologic prognosis in patients with neuroleptic malignant syndrome.
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A 62-year-old male who was receiving prednisolone and methotrexate for scleroderma and rheumatoid arthritis complained of diarrhea and vomiting, and was transferred to our hospital for detailed examination and treatment of renal dysfunction and thrombocytopenia. Hemolytic anemia and crushed erythrocytes were found during the patient's course; therefore, we suspected thrombotic microangiopathy (TMA). His ADAMTS13 activity was 60.3% and his ADAMTS13 inhibitor was under 0.5. In addition, his blood culture was positive for Streptococcus pneumoniae, and we finally diagnosed Streptococcus pneumoniae-associated TMA (pTMA). The patient was treated with antibiotics and hemodialysis. The patient recovered and was discharged on the 45th hospital day. Adult pTMA cases are remarkably rare. We herein report a successfully treated adult case of pTMA.
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So far, there remains a controversy regarding the efficacy of epinephrine (Ep) in patients with cardiopulmonary arrest (CPA). In this study, we evaluated the importance of the plasma levels of catecholamines prior to the administration of Ep in patients with CPA. Patients with out-of-hospital cardiac arrest (OHCA) who were transferred to Gunma University Hospital were enrolled prospectively between July 2014 and July 2017. The levels of catecholamines [Ep, norepinephrine (NEp), and dopamine] and vasopressin (antidiuretic hormone) in the plasma were measured using blood samples of cardiogenic patients with OHCA not treated with Ep. Patients were divided into two groups: the return of spontaneous circulation [ROSC (+) ] group and the no return of spontaneous circulation [ROSC (-) ] group. The plasma levels of these agents and the conditions of resuscitation were compared between these two groups. 48 patients with cardiogenic CPA had not been treated with Ep prior to obtaining the blood samples. The ROSC (+) and ROSC (-) groups included 14 and 34 patients, respectively. The frequency of prehospital defibrillation was significantly higher in the ROSC (+) group. However, the prehospital resuscitation time was significantly shorter in the ROSC (+) group. Moreover, the levels of Ep and NEp in the plasma were significantly lower in the ROSC (+) group. The increased levels of Ep in the plasma may not be associated with the acquisition of ROSC in patients with cardiogenic CPA.
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Catecolaminas/sangre , Servicios Médicos de Urgencia , Paro Cardíaco/sangre , Anciano , Anciano de 80 o más Años , Biomarcadores/sangre , Reanimación Cardiopulmonar , Epinefrina/sangre , Femenino , Estudios de Seguimiento , Paro Cardíaco/terapia , Humanos , Masculino , Pronóstico , Estudios Prospectivos , Factores de Tiempo , Vasopresinas/sangreRESUMEN
Equestrianism is associated with a risk of severe trauma due to falls and/or direct injury from the horse, depending on the mechanism of injury. This article presents four cases of equestrian injury treated in Gunma University Hospital: Case 1: hepatic injury (fall and kick by the horse); Case 2: left hemopneumothorax and pulmonary contusion with multiple rib fractures (fall and trampling by the horse); Case 3: lumbar compression fracture (fall); and Case 4: scrotum injury (horse bite). Equestrian injuries may be high-energy traumas. Therefore, adhering to relevant primary care guidelines may prevent mortality by trauma.
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Objective Almost no Japanese elderly patients have an advance directive (AD). Our aim was to determine whether or not the wish to receive intensive care in elderly patients with respiratory tract infection could be predicted from the prehospital data. Methods In this retrospective study, we reviewed patients ≥65 years of age with respiratory tract infection who had been transferred to our hospital by ambulance between September 2014 and August 2016. The patients were divided into two groups according to whether or not they wished to receive intensive treatment. We placed patients without a wish to receive intensive treatments (WITs) in Group A and patients with a WITs in Group B. We then analyzed parameters that could be determined in the prehospital phase and compared the findings between the groups. Results Thirty-seven patients were in Group A, and 67 patients were in Group B. None of the patients in this study had an AD. There were significant differences in the age, rate of residence in an extended care facility, frequency of inability to care for oneself fully, frequency of dementia, number of prescribed drugs, and Glasgow coma scale (GCS) on a univariate analysis. A logistic regression analysis showed that the inability to care for oneself fully [odds ratio (OR): 4.521, 95% confidence interval (CI): 2.024-10.096, p<0.001] and a low GCS (OR 0.885, 95%CI 0.838-0.935, p<0.001) were related to a WITs. Conclusion Elderly patients who are unable to care for themselves and who have a low GCS in the prehospital stage are likely not to want intensive treatment.
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Directivas Anticipadas/psicología , Pueblo Asiatico/psicología , Cuidados Críticos/psicología , Prioridad del Paciente/psicología , Infecciones del Sistema Respiratorio/terapia , Anciano , Anciano de 80 o más Años , Femenino , Predicción , Humanos , Japón , Masculino , Oportunidad Relativa , Estudios RetrospectivosRESUMEN
PURPOSE: To evaluate the effectiveness of intensive care for the elderly trauma patients aged 80 years and older. METHODS: Trauma patients admitted to the intensive care unit (ICU) through the emergency room (ER) at our hospital between January 2013 and December 2016 were analyzed. Patients were divided into two groups: patients aged 80 and older (group E) and <80 years old (group Y). Clinical courses and the total treatment costs were compared between the two groups. Data are shown as median (interquartile range). RESULTS: A hundred and seven trauma patients were included in the study. There were 26 patients in group E and 81 patients in group Y. There was no significant difference in Injury Severity Score (ISS) (group E, 19 (13, 32); group Y, 17 (14, 25); p=0.708); however, the probability of survival (Ps) was significantly lower in group E (group E, 0.895 (0.757, 0.950); group Y, 0.955 (0.878, 0.986); p=0.004). The duration of ICU stay (days) was significantly longer in group E (10 (5, 23)) than in group Y (4 (3, 9); p=0.001), and the total hospital stay (days) was longer in group E (33 (13, 57)) than in group Y (22 (12, 42); p=0.179). The hospital mortality was higher in group E (11.5%) than in group Y (6.2%) without a significant difference (p=0.365). The total treatment costs were significantly higher in group E ($23,558 (12,456, 42,790) with $1 = ¥110.57) than in group Y ($16,538 (7,412, 25,422); p=0.023). CONCLUSIONS: Elderly trauma patients require longer-term treatment including ICU stay and greater cost with higher hospital mortality compared with young trauma patients.
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PURPOSE: To find factors that predict the requirement of packed red blood cells (pRBC) transfusion in patients with blunt trauma on arrival at the hospital. METHODS: We conducted blood tests in trauma patients whose trauma severity was suspected as being 3 and over in the Abbreviated Injury Scale. Patients were divided into the blood transfusion (BT) and control groups according to the requirement of pRBC transfusion within 24h after arrival. RESULTS: We analyzed 347 patients (BT group, n=14; control group, n=333). On univariate analysis, there were significant differences in Glasgow Coma Scale (GCS), rate of positive FAST (focused assessment with sonography for trauma) finding, hematocrit, international normalized ratio of prothrombin time, activated partial thromboplastin time, fibrinogen (Fib), and level of fibrin degradation products (FDP). On multivariable analysis, positive FAST finding, GCS, Fib, and FDP influenced the requirement of pRBC transfusion. In the area under the receiver operating characteristic curve analysis, Fib and FDP were markers that predicted the requirement of pRBC transfusion. The FDP/Fib ratio had a better correlation with the requirement of pRBC transfusion than FDP or Fib. CONCLUSIONS: The FDP/Fib ratio can be easily measured and may be a predictor of the need for pRBC transfusion.
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Transfusión de Eritrocitos , Productos de Degradación de Fibrina-Fibrinógeno/uso terapéutico , Fibrinógeno/metabolismo , Heridas no Penetrantes/terapia , Anciano , Biomarcadores/metabolismo , Transfusión de Eritrocitos/métodos , Femenino , Productos de Degradación de Fibrina-Fibrinógeno/metabolismo , Escala de Coma de Glasgow , Humanos , Puntaje de Gravedad del Traumatismo , Japón/epidemiología , Masculino , Persona de Mediana Edad , Tiempo de Tromboplastina Parcial , Valor Predictivo de las Pruebas , Estudios Prospectivos , Curva ROC , Centros Traumatológicos , Heridas no Penetrantes/metabolismo , Heridas no Penetrantes/fisiopatologíaRESUMEN
PURPOSE: To evaluate the usefulness of coagulation biomarkers, which are easy and quick to analyze in emergency settings, for prediction of arterial extravasation due to pelvic fracture. PATIENTS AND METHODS: The medical records of pelvic fracture patients transferred to the emergency department of Gunma University Hospital between December 2009 and May 2015 were reviewed. Patients were divided into two groups, those with (Extra(+)) and without (Extra(-)) arterial extravasation on enhanced CT or angiography. Levels of fibrin degradation products (FDP), D-dimer, fibrinogen, the ratio of FDP to fibrinogen, the ratio of D-dimer to fibrinogen, systolic blood pressure, heart rate, the Glasgow Coma Scale, pH, base excess, hemoglobin and lactate levels, the pattern of pelvic injury, and injury severity score were measured at hospital admission, and compared between the two groups. Parameters with a significant difference between the two groups were used to construct receiver operating characteristic (ROC) curves. RESULTS: The study included 29 patients with pelvic fracture. FDP, D-dimer, the ratio of FDP to fibrinogen and the ratio of D-dimer to fibrinogen were the most useful parameters for predicting arterial extravasation due to pelvic fracture. FDP, D-dimer, the ratio of FDP to fibrinogen, the ratio of D-dimer to fibrinogen, and hemoglobin and lactate levels were significantly higher in the Extra(+) group than in the Extra(-) group (FDP, 354.8µg/mL [median] versus 96.6µg/mL; D-dimer, 122.3µg/mL versus 42.1µg/mL; the ratio of FDP to fibrinogen, 3.39 versus 0.42; the ratio of D-dimer to fibrinogen, 1.14 versus 0.18; hemoglobin, 10.5g/dL versus 13.5g/dL; lactate, 3.5mmol/L versus 1.7mmol/L). The area under the ROC curves for FDP, D-dimer, the ratio of FDP to fibrinogen, the ratio of D-dimer to fibrinogen, hemoglobin and lactate levels were 0.900, 0.882, 0.918, 0.900, 0.815 and 0.765, respectively. CONCLUSION: Coagulation biomarkers, and hemoglobin and lactate levels could be useful to predict the existence of arterial extravasation due to pelvic fracture. The ratio of FDP to fibrinogen and the ratio of D-dimer to fibrinogen were the most accurate markers. Coagulation biomarkers may enable more rapid and specific treatment for pelvic fracture.
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Medicina de Emergencia , Extravasación de Materiales Terapéuticos y Diagnósticos/metabolismo , Productos de Degradación de Fibrina-Fibrinógeno/metabolismo , Fibrinógeno/metabolismo , Fracturas Óseas/metabolismo , Huesos Pélvicos/lesiones , Adulto , Anciano , Anciano de 80 o más Años , Biomarcadores/metabolismo , Coagulación Sanguínea , Presión Sanguínea , Femenino , Fracturas Óseas/diagnóstico , Frecuencia Cardíaca , Humanos , Puntaje de Gravedad del Traumatismo , Masculino , Persona de Mediana Edad , Curva ROC , Estudios Retrospectivos , Sensibilidad y EspecificidadRESUMEN
The cytochrome P450 enzyme-encoding genes rosC and rosD were cloned from the rosamicin biosynthetic gene cluster of Micromonospora rosaria IFO13697. The functions of RosC and RosD were demonstrated by gene disruption and complementation with M. rosaria and bioconversion of rosamicin biosynthetic intermediates with Escherichia coli expressing RosC and RosD. It is proposed that M. rosaria IFO13697 has two pathway branches that lead from the first desosaminyl rosamicin intermediate, 20-deoxo-20-dihydro-12,13-deepoxyrosamicin, to rosamicin.