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.jpg): Failed to open stream: No such file or directory in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 117 Ann+Thorac+Med
2016 ; 11
(4
): 254-260
Nephropedia Template TP
gab.com Text
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Twit Text #
English Wikipedia
Suboptimal implementation of diagnostic algorithms and overuse of computed
tomography-pulmonary angiography in patients with suspected pulmonary embolism
#MMPMID27803751
Alhassan S
; Sayf AA
; Arsene C
; Krayem H
Ann Thorac Med
2016[Oct]; 11
(4
): 254-260
PMID27803751
show ga
BACKGROUND: Majority of our computed tomography-pulmonary angiography (CTPA)
scans report negative findings. We hypothesized that suboptimal reliance on
diagnostic algorithms contributes to apparent overuse of this test. METHODS: A
retrospective review was performed on 2031 CTPA cases in a large hospital system.
Investigators retrospectively calculated pretest probability (PTP). Use of CTPA
was considered as inappropriate when it was ordered for patients with low PTP
without checking D-dimer (DD) or following negative DD. RESULTS: Among the 2031
cases, pulmonary embolism (PE) was found in 7.4% (151 cases). About 1784 patients
(88%) were considered "PE unlikely" based on Wells score. Out of those patients,
1084 cases (61%) did not have DD test prior to CTPA. In addition, 78 patients
with negative DD underwent unnecessary CTPA; none of them had PE. CONCLUSIONS:
The suboptimal implementation of PTP assessment tools can result in the overuse
of CTPA, contributing to ineffective utilization of hospital resources, increased
cost, and potential harm to patients.