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From the BMC:<\/p>\n\nBackground\n
Dyspnea is a frequent complaint in emergency departments (ED). It has a significant amount of subjective and affective components, therefore the dyspnea scores, based on the patients\u2019 rating, can be ambiguous. Our purpose was to develop and validate a simple scoring system to evaluate the severity of dyspnea in emergency care, based on objectively measured parameters.<\/p>\n\n\nMethods\n
We performed a double center, prospective, observational study including 350 patients who were admitted in EDs with dyspnea. We evaluated the patients\u2019 subjective feeling about dyspnea and applied our Dyspnea Severity Score (DSS), rating the dyspnea in 7 Dimensions from 0 to 3 points. The DSS was validated using the deterioration of pH, base-excess and lactate levels in the blood gas samples (Objective Classification Scale (OCS) 9 points and 13 points groups).<\/p>\n\n\nResults\n
All of the Dimensions correlated closely with the OCS values and with the subjective feeling of the dyspnea. Using multiple linear regression analysis we were able to decrease the numbers of Dimensions from seven to four without causing a significant change in the determination coefficient in any OCS groups. This reduced DSS values (exercise tolerance, cooperation, cyanosis, SpO2 value) showed high sensitivity and specificity to predict the values of OCS groups (the ranges: AUC 0.77\u20130.99, sensitivity 65\u2013100%, specificity 64\u201399%). There was a close correlation between the subjective dyspnea scores and the OCS point values (p\u2009<\u20090.001), though the scatter was very large.<\/p>\n\n\nConclusions\n
A new DSS was validated which score is suitable to compare the severity of dyspnea among different patients and different illnesses. The simplified version of the score (its value \u22657 points without correction factors) can be useful at the triage or in pre-hospital care.<\/p>\n
<\/p>
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From the BMC:<\/p>\n
Background<\/p>\n
Dyspnea is a frequent complaint in emergency departments (ED). It has a significant amount of subjective and affective components, therefore the dyspnea scores, based on the patients\u2019 rating, can be ambiguous. Our purpose was to develop and validate a simple scoring system to evaluate the severity of dyspnea in emergency care, based on objectively measured parameters.<\/p>\n
Methods<\/p>\n
We performed a double center, prospective, observational study including 350 patients who were admitted in EDs with dyspnea. We evaluated the patients\u2019 subjective feeling about dyspnea and applied our Dyspnea Severity Score (DSS), rating the dyspnea in 7 Dimensions from 0 to 3 points. The DSS was validated using the deterioration of pH, base-excess and lactate levels in the blood gas samples (Objective Classification Scale (OCS) 9 points and 13 points groups).<\/p>\n
Results<\/p>\n
All of the Dimensions correlated closely with the OCS values and with the subjective feeling of the dyspnea. Using multiple linear regression analysis we were able to decrease the numbers of Dimensions from seven to four without causing a significant change in the determination coefficient in any OCS groups. This reduced DSS values (exercise tolerance, cooperation, cyanosis, SpO2 value) showed high sensitivity and specificity to predict the values of OCS groups (the ranges: AUC 0.77\u20130.99, sensitivity 65\u2013100%, specificity 64\u201399%). There was a close correlation between the subjective dyspnea scores and the OCS point values (p\u2009<\u20090.001), though the scatter was very large.<\/p>\n
Conclusions<\/p>\n
A new DSS was validated which score is suitable to compare the severity of dyspnea among different patients and different illnesses. The simplified version of the score (its value \u22657 points without correction factors) can be useful at the triage or in pre-hospital care.<\/p>\n
<\/p>\n
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