Abstract：
BACKGROUND:the objective was to determine clinical characteristics that can quickly distinguish sudden death from massive pulmonary embolism (MPE) from other causes of sudden death. METHODS AND RESULTS:all medical examiner reports from Charlotte, NC from 1992 to 1999 (n=4926) were hand-searched for cases of sudden death which met the inclusion criteria: non-traumatic death, age 18-65 years, transported to an emergency department (ED), and autopsy performed. Supplemental data from ED and prehospital records were retrieved to complete documentation. Data were analyzed by univariate odds ratios (OR) followed by chi-square (chi(2)) recursive partitioning for decision tree construction. Three hundred eighty four cases met inclusion criteria; MPE was the second most frequent cause of cardiac arrest in this cohort (37/384, 9.6%). The mean age of subjects with MPE (40.2+/-11.1 years) was significantly lower compared with non-PE subjects (46.5+/-9.9 years). Pulseless electrical activity was observed as the initial arrest rhythm (primary PEA) in 52/384 (13.5%) subjects. Out of 52 subjects with primary PEA, 28 (53%) died from MPE. Odds ratio data indicated significant association of MPE with female gender, arrest witnessed by medical providers, presence of primary PEA, and return of spontaneous circulation. The most accurate decision rule to recognize MPE consisted of witnessed arrest+primary PEA. This rule generated sensitivity=67.6% and specificity=94.5% and yielded a posttest probability of MPE of 57%. CONCLUSIONS:outpatients with witnessed cardiac arrest and primary PEA carry a high probability of MPE.
journal_name
Resuscitationjournal_title
Resuscitationauthors
Courtney DM,Sasser HC,Pincus CL,Kline JAdoi
10.1016/s0300-9572(00)00374-9keywords:
subject
Has Abstractpub_date
2001-06-01 00:00:00pages
265-72issue
3eissn
0300-9572issn
1873-1570pii
S0300957200003749journal_volume
49pub_type
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