| 词条 | Los Angeles Prehospital Stroke Screen (LAPSS) |
| 释义 |
| name = Los Angeles Prehospital Stroke Screen (LAPSS) | image = | alt = | caption = | pronounce = | purpose = identifying potential stroke patients | test of = | based on = | synonyms = | reference_range = | calculator = | DiseasesDB = | ICD10 = | ICD9 = | ICDO = | MedlinePlus = | eMedicine = | MeshID = | OPS301 = | LOINC = }} The Los Angeles Prehospital Stroke Screen (LAPSS) is a method of identifying potential stroke patients in a pre-hospital setting.[1] Screening Criteria
If all of these criteria are met (or not ascertainable) the LAPSS is positive for stroke. Patients may still be experiencing a stroke even if LAPSS criteria are not met.[2] ValidityA January 2000 study, conducted by 3 teams of Los Angeles-based paramedic units resulted in "sensitivity of 91% (95% CI, 76% to 98%), specificity of 97% (95% CI, 93% to 99%), positive predictive value of 86% (95% CI, 70% to 95%), and negative predictive value of 98% (95% CI, 95% to 99%). With correction for the 4 documentation errors, positive predictive value increased to 97% (95% CI, 84% to 99%)."[3] In a Chinese study, Beijing paramedics using the protocol, completed LAPSS screenings in an average of 4.3±3.0 minutes (median, 5 minutes). The study resulted in a sensitivity of 78.44% and a specificity of 90.22%.[4] See also
References1. ^American Heart Association - Stroke 2. ^LAPSS Protocol 3. ^{{cite journal | title=Identifying stroke in the field. Prospective validation of the Los Angeles prehospital stroke screen (LAPSS). | date=31 Jan 2000 | pmid=10625718 | volume=31 | journal=Stroke | pages=71–6 | last1 = Kidwell | first1 = CS | last2 = Starkman | first2 = S | last3 = Eckstein | first3 = M | last4 = Weems | first4 = K | last5 = Saver | first5 = JL | doi=10.1161/01.str.31.1.71}} 4. ^{{cite journal | title=Validation of the Los Angeles pre-hospital stroke screen (LAPSS) in a Chinese urban emergency medical service population. | date=2013-08-07 | pmid=23950994 | doi=10.1371/journal.pone.0070742 | volume=8 | pmc=3737357 | journal=PLoS One | pages=e70742 | last1 = Chen | first1 = S | last2 = Sun | first2 = H | last3 = Lei | first3 = Y | last4 = Gao | first4 = D | last5 = Wang | first5 = Y | last6 = Wang | first6 = Y | last7 = Zhou | first7 = Y | last8 = Wang | first8 = A | last9 = Wang | first9 = W | last10 = Zhao | first10 = X}} 4 : Stroke|Medical assessment and evaluation instruments|Emergency medical services in the United States|Medical and health organizations based in California |
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