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1.
J Anesth ; 29(2): 242-8, 2015 Apr.
Article in English | MEDLINE | ID: mdl-25112812

ABSTRACT

PURPOSE: Massive bleeding usually leads to critically low levels of clotting factors, including fibrinogen. Although reduced fibrinogen levels correlate with increased mortality, predictors of hypofibrinogenemia have remained poorly understood. We investigated whether findings available on admission can be used as predictors of hypofibrinogenemia. METHODS: We retrospectively reviewed serum fibrinogen levels tested on arrival in 290 blunt trauma patients transported to a level I trauma center during a 3-year period. The primary outcome was prehospital predictors for hypofibrinogenemia. Covariates included age, sex, prehospital fluid therapy, prehospital anatomical and physiological scores, time from injury, base excess, and lactate on arrival. All variables with values of p < 0.10 in univariate analysis were included in a multivariate logistic regression model. The relationships between the variables and the 7-day mortality rate were evaluated in a Cox proportional hazards model. RESULTS: Patient's age [odds ratio (OR): 0.97, p < 0.001], Triage Revised Trauma Score (T-RTS) (OR: 0.81, p = 0.003), and prehospital fluid therapy (OR: 2.54, p = 0.01) were detected as independent predictors for hypofibrinogenemia in multivariate logistic regression analysis. Serum fibrinogen level [hazard ratio (HR): 0.99, p = 0.01] and T-RTS (HR: 0.77, p < 0.01) were associated with the 7-day mortality rate. CONCLUSION: T-RTS is considered to play an important role in predicting hypofibrinogenemia and 7-day mortality in blunt trauma patients.


Subject(s)
Afibrinogenemia/diagnosis , Afibrinogenemia/etiology , Wounds, Nonpenetrating/blood , Wounds, Nonpenetrating/complications , Adult , Afibrinogenemia/mortality , Age Factors , Aged , Female , Fibrinogen/analysis , Fibrinogen/metabolism , Glasgow Coma Scale , Hemorrhage/complications , Humans , Male , Middle Aged , Predictive Value of Tests , Registries , Retrospective Studies , Trauma Severity Indices , Treatment Outcome , Triage , Wounds, Nonpenetrating/mortality
2.
Masui ; 61(7): 771-4, 2012 Jul.
Article in Japanese | MEDLINE | ID: mdl-22860313

ABSTRACT

We operated rescue activities in Tohoku area after the earthquake of March 11th, 2011. From our hospital, a doctor-helicopter flew to the staging care unit at Hanamaki airport with two members of the disaster medical assistance team (DMAT), one of whom was an anesthesiologist. The helicopter carried ten patients by nine flight missions, who were the victims of tsunami after the earthquake. There were seven doctor-helicopters from all over Japan and did the missions based at Hanamaki airport. The missions was quite different from our usual job as an anesthesiologist, but we could transfer the patients safely by using some knowledge of stabilizing the unstable patients as flight doctors. We report the details of our activities by our doctor-helicopters in Tohoku area.


Subject(s)
Air Ambulances , Aircraft , Anesthesiology , Disaster Medicine/methods , Earthquakes , Emergency Medical Services/methods , Patient Care Team , Physicians , Rescue Work/methods , Transportation of Patients/methods , Aged , Aged, 80 and over , Airports , Female , Humans , Japan , Male , Middle Aged
3.
J Anesth ; 26(4): 574-8, 2012 Aug.
Article in English | MEDLINE | ID: mdl-22349834

ABSTRACT

PURPOSE: There has been no report on risk factors for gastric distension (GD) when inducing general anesthesia in an emergency situation. The aim of this study was to clarify the risk factors for GD in patients with acute appendicitis at their hospital visit. METHODS: We reviewed medical records of patients from April 2007 to March 2010 who underwent open appendectomy for acute appendicitis and were diagnosed pathologically. GD was defined as a larger anteroposterior diameter and larger lateral diameter of the stomach than those of the left kidney in computed tomography (CT) imaging. The primary outcome was the presence of GD. Candidate variables such as patient characteristics, physical findings, and CT imaging findings associated with GD were assessed. Time after beginning of abdominal pain was categorized and compared. Determinants with significant univariate association (P < 0.20) with the primary outcome were used to construct multivariable logistic regression models. RESULTS: We enrolled 121 patients and divided this cohort into a GD group (44 cases, 36%) and a non-GD group (77 cases, 64%). Results of univariate analysis showed longer duration of time after beginning of abdominal pain (P = 0.016), younger age (P < 0.001), and more frequent distended small bowel (P < 0.001) in the GD group than in the non-GD group. In multivariate analysis, age [odds ratio (OR) = 0.939, P = 0.002] and time after beginning of abdominal pain (OR = 1.807, P = 0.031) were shown to be independent risk factors. CONCLUSION: Younger appendicitis patients with acute abdominal pain for 1 or more days should be treated as patients with high risk for GD.


Subject(s)
Appendicitis/complications , Gastric Dilatation/etiology , Abdominal Pain/etiology , Adolescent , Adult , Age Factors , Anesthesia, General , Appendectomy/adverse effects , Child , Cohort Studies , Female , Gastric Dilatation/epidemiology , Gastric Fundus/diagnostic imaging , Humans , Logistic Models , Male , Physical Examination , Pneumonia, Aspiration/diagnosis , Pneumonia, Aspiration/prevention & control , Retrospective Studies , Risk Factors , Tomography, X-Ray Computed , Young Adult
4.
Blood Transfus ; 10(1): 78-86, 2012 Jan.
Article in English | MEDLINE | ID: mdl-22153688

ABSTRACT

BACKGROUND: There are no reported studies on whether a helicopter flight affects the quality and shelf-life of red blood cells stored in mannitol-adenine-phosphate. MATERIALS AND METHODS: Seven days after donation, five aliquots of red blood cells from five donors were packed into an SS-BOX-110 container which can maintain the temperature inside the container between 2 °C and 6 °C with two frozen coolants. The temperature of an included dummy blood bag was monitored. After the box had been transported in a helicopter for 4 hours, the red blood cells were stored again and their quality evaluated at day 7 (just after the flight), 14, 21 and 42 after donation. Red blood cell quality was evaluated by measuring adenosine triphosphate, 2,3-diphosphoglycerate, and supernatant potassium, as well as haematocrit, intracellular pH, glucose, supernatant haemoglobin, and haemolysis rate at the various time points. RESULTS: During the experiment the recorded temperature remained between 2 and 6 °C. All data from the red blood cells that had undergone helicopter transportation were the same as those from a control group of red blood cell samples 7 (just after the flight), 14, 21, and 42 days after the donation. Only supernatant Hb and haemolysis rate 42 days after the donation were slightly increased in the helicopter-transported group of red blood cell samples. All other parameters at 42 days after donation were the same in the two groups of red blood cells. DISCUSSION: These results suggest that red blood cells stored in mannitol-adenine-phosphate are not significantly affected by helicopter transportation. The differences in haemolysis by the end of storage were small and probably not of clinical significance.


Subject(s)
Aircraft , Blood Preservation , Erythrocytes/cytology , 2,3-Diphosphoglycerate/analysis , 2,3-Diphosphoglycerate/metabolism , Adenosine Triphosphate/analysis , Adenosine Triphosphate/metabolism , Erythrocyte Transfusion , Erythrocytes/chemistry , Erythrocytes/metabolism , Hematocrit , Hemoglobins/analysis , Hemoglobins/metabolism , Hemolysis , Humans , Hydrogen-Ion Concentration , Potassium/analysis , Potassium/metabolism , Time Factors
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