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

Forfatter(e)
Overlæge Margit Y. Mantoni, læge Majken Kristensen, læge Marie Husted Brogaard, læge Jacob Christian Sivertsen, overlæge Jørn Dalsgaard Nielsen, overlæge Charlotte Strandberg & overlæge Steffen Friis Gentofte Hospital, Billeddiagnostisk Afdeling, Trombosecentret og Medicinsk Afdeling F
Reference: 
Ugeskr Læger 2008;170(14):1129-1133
Blad nummer: 
Sidetal: 
1129-1133
Summary Diagnostic strategy in patients with clinically suspected deep vein thrombosis Ugeskr Læger 2008;170(14):1129-1133 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.
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