強離子隙在急性呼吸衰竭中的應(yīng)用研究
[Abstract]:Objective 1. Screening can find complex acid-base disorder in patients with acute respiratory failure and can evaluate prognosis. 2. 2. To evaluate the clinical value of strong ion gap as a predictor of death risk in patients with acute respiratory failure. Method 1. 106 patients with acute respiratory failure (ARF) were collected, including 60 males and 46 females, aged 1388 years with an average age of 54 鹵17 years. At the same time, 106 cases who were admitted to hospital in the same period, the same area, the same sex, and the same age (age 16 ~ 92 years, mean 55 鹵18 years) were selected as the control group. By analysis, the experimental group and control group in age, sex and other aspects of no statistical difference (p0.05), comparable; 2. Detection of various indexes of acid-base disorder: K, CL-,HCO3-,AG,p HALBX SIGLYL acid,Pa CO2,Pa O2O2O2O2NNA, PO4-.3. T test was used to compare and screen the difference index. 4. 4. SPSS 17.0 statistical software was used to draw the ROC curve, and the difference index was compared. 5. 5. To analyze the relevant parameters of ROC curve and evaluate the clinical value of the indexes. Results the highest incidence of 1.ARF was acute respiratory distress syndrome (26%) and cardiogenic pulmonary edema (26%). Of all the underlying diseases that have occurred with ARF, the most dangerous course of disease is acute pulmonary infarction. Once ARF, mortality is as high as T1 in the 50%.2.ARF group, it is higher than that in the control group, compared with the control group. The levels of Pa CO2,Pa O 2 were significantly different (P0.01). There was no difference between Na and PO4-. However, there was no statistical difference in T 2 between the recovery group and the control group. Among the patients with ARF, T1 of recovery group and T1 of death group were compared with each other: there was only AG, between the two groups. The difference of SIG was statistically significant (P0.01). The relative ROC curve parameters of 4.AG and SIG were compared: the area under the curve of SIG was larger, reaching 0.904, and the diagnostic accuracy was high; Using 15.4 mmol/L as cut-off value of AG and 6.77 mmol/L as cut-off value of SIG, the parameters of relevant ROC curve, SIG sensitivity, Youden index, negative predictive value and negative likelihood ratio are also better than AG.. Conclusion 1. In the early stage of acute respiratory failure, AG and SIG can sensitively reflect the complex acid-base disorder of patients, and AG and SIG indexes may be used as predictors of death risk in ARF patients, suggesting that the prognosis is not good. 2. As a predictor of death risk in patients with acute respiratory failure, SIG is superior to AG.3. When the cut-off value was 6.77 mmol/L, the detection result of SIG was lower than that of cut-off, the negative likelihood ratio of SIG was 0, the sensitivity was as high as 1.000.If the diagnosis result was negative, the risk of death could be eliminated immediately.
【學位授予單位】:福建醫(yī)科大學
【學位級別】:碩士
【學位授予年份】:2014
【分類號】:R563.8
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