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Half of the cases of pulmonary thromboembolism (PTE) are not diagnosed because of its unspecific clinical presentation; in Mexico, autopsy data reveal a similar incidence to that of developed countries. The objective of this work was to know the concordance between the clinical diagnosis of PTE at hospital discharge and its autopsy diagnosis. The method used was a retrospective cohort study of cases with PTE diagnosis who attended from January 2005 to December 2013. Information was obtained from the autopsies registry and clinical charts. From 177,368 hospital discharges, there were 412 (6.74%) with PTE diagnosis. There were 13,559 deaths, with PTE diagnosis in 139 (1%) patients. There were 479 autopsies, and in 66 (14%) of whom PTE diagnosis was documented, the mean age was 55 years (range, 18–89 years). The premortem diagnosis of PTE at discharge was confirmed in 412 cases. Postmortem diagnosis of principal disease was medical in 49 (74%) and medical-surgical in 17 (26%) patients. We found that nine patients had the clinical diagnosis of PTE, unlike the postmortem diagnosis, which was reported in 66 autopsies. The above allows establishing a 1:7 ratio that represents 14%. D-dimer was determined in 11 cases (16%) and was positive in 8 (73%). Thromboprophylaxis was applied in 15 cases (23%). The study of necropsies and identification of discrepancies is needed to improve the diagnostic accuracy and healthcare quality. The evaluation of hemostasis biomarkers besides D-dimer can better describe the pro-thrombotic state, the risk of thrombosis, and its association with morbidity and mortality.

Concordance between clinical diagnosis of pulmonary thromboembolism at hospital discharge and anatomopathological diagnosis