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Bernard Lewandowski

Researcher at University of Ottawa

Publications -  7
Citations -  2892

Bernard Lewandowski is an academic researcher from University of Ottawa. The author has contributed to research in topics: Deep vein & Pre- and post-test probability. The author has an hindex of 7, co-authored 7 publications receiving 2677 citations.

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Evaluation of D-Dimer in the Diagnosis of Suspected Deep-Vein Thrombosis

TL;DR: Deep-vein thrombosis can be ruled out in a patient who is judged clinically unlikely to have deep-veIn thromBosis and who has a negative D-dimer test, and ultrasound testing can be safely omitted in such patients.
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Value of assessment of pretest probability of deep-vein thrombosis in clinical management

TL;DR: Management of patients with suspected deep-vein thrombosis based on clinical probability and ultrasound of the proximal deep veins is safe and feasible and the need for serial ultrasound testing is reduced and the rate of false-negative or false-positive ultrasound studies is reduced.
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Application of a Diagnostic Clinical Model for the Management of Hospitalized Patients with Suspected Deep-vein Thrombosis

TL;DR: Management of hospitalized patients with suspected deep-vein thrombosis based on clinical probability and ultrasound of the proximal deep veins is safe and feasible.
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Thrombosis in the Emergency Department: Use of a Clinical Diagnosis Model to Safely Avoid the Need for Urgent Radiological Investigation

TL;DR: In this paper, a prospective cohort study was performed in the emergency departments of two tertiary care institutions involving 344 patients with suspected deep vein thrombosis (DVT) and the authors evaluated the accuracy of an explicit clinical model for the diagnosis of DVT when applied by emergency department physicians and to assess the safety and feasibility of a management strategy based on the clinical pretest probability for patients presenting to the emergency department with suspected DVT outside of regular hospital staff work hours.

Use of a Clinical Diagnosis Model to Safely Avoid the Need for Urgent Radiological Investigation

TL;DR: Using an explicit clinical model, emergency department physicians can accurately classify patients with suspected DVT into high-, moderate, and low-probability groups and a management plan based on probability for DVT that avoids the need for urgent diagnostic imaging is safe and feasible in the emergency department setting.