Abstract: Poster Presentations |

A Comparison between Pulmonary CT Angiogram and Ventilation-Perfusion (V/Q) Scan in the Diagnosis of Pulmonary Embolism (PE) FREE TO VIEW

A Al-Shrouf, MD; M Shubair, MD; S Momany, MD; G Wardeh, MD; M A. Khan, MD, FCCP
Author and Funding Information

St. Joseph’s Regional Medical Center, Paterson, NJ and Seton Hall University, School of Graduate Medical Education, S. Orange, NJ


Chest. 2003;124(4_MeetingAbstracts):238S. doi:10.1378/chest.124.4_MeetingAbstracts.238S
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PURPOSE:  CT angiogram is a new modality for the diagnosis of PE. To compare the diagnostic yield of CT angiogram with V/Q scan we retrospectively reviewed the results of both studies in patients admitted with the diagnosis of possible PE.

METHODS:  We reviewed the medical records of 30 patients (13 females, 17 males, age range:32-68 years; mean age:48 years) admitted with the clinical diagnosis of PE in whom both a CT angiogram and a V/Q scan had been performed.

RESULTS:  Seventeen of 30 (57%) patients showed V/Q scans diagnostic of PE. Only 11 of these 17 patients showed a CT angiogram diagnostic of PE, whereas 6 patients showed a negative CT angiogram (P=0.008).

CONCLUSION:  CT angiography failed to detect PE in a significant number of patients with diagnostic V/Q scans.

CLINICAL IMPLICATIONS:  CT angiography is not yet ready to replace V/Q scan for the diagnosis of PE in community hospitals.

DISCLOSURE:  A. Al-Shrouf, None.

Wednesday, October 29, 2003

12:30 PM - 2:00 PM




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