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Diagnostisk strategi hos patienter, der er henvist til skadestuen på mistanke om dyb venøs trombose

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Introduction: The standard method for diagnosing deep vein thrombosis (DVT) involves determination of D-dimer and ultrasound scanning. In an attempt to reduce the number of ultrasound examinations we have supplemented this with a clinical probability estimate for DVT (DVT-score) over one year.

Materials and Methods: A total of 508 consecutive patients presenting in the emergency room with suspected DVT had D-dimer and DVT-score performed. Patients with non-elevated D-dimer and a low or moderate DVT score received no treatment. The remainder had ultrasound scanning from the groin to the popliteal fossa. If no DVT was revealed, the patient was contacted by telephone 7-10 days later, and was offered a repeat examination if symptoms persisted.

Results: Three patients with chronic DVT were excluded. Normal D-dimer and low or moderate DVT-score was found in 103 patients, none had DVT. Only five patients with normal D-dimer had high DVT-scores, none had DVT, so that the benefit from determining DVT-scores was modest. Ultrasound scanning revealed DVT in 85 out of 397 patients with elevated D-dimer. A repeat examination was performed in 91 patients with persisting symptoms, and disclosed DVT in two.

Conclusion: We recommend that ambulatory patients with clinically suspected DVT have a D-dimer test. If D-dimer is elevated, compression ultrasound should be performed in the groin and the popliteal fossa.
Translated title of the contributionDiagnostic strategy in patients with clinically suspected deep vein thrombosis
Original languageDanish
JournalUgeskrift for Laeger
Volume2008;170
Issue number14
Pages (from-to)1129-1133
Number of pages5
ISSN0041-5782
Publication statusPublished - 2008

ID: 31072336