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Long-term sequelae of spontaneous axillary-subclavian venous thrombosis
E Héron1, O Lozinguez, J Emmerich
1Hôpital Broussais and Hôpital Saint-Joseph, Paris, France.
Background:
The frequency and severity of post-thrombotic sequelae after spontaneous axillary-subclavian venous thrombosis remain poorly known.
Objective:
To determine the late sequelae of conventionally treated spontaneous axillary-subclavian venous thrombosis.
Design:
Cross-sectional study.
Setting:
University department of vascular medicine.
Patients:
54 patients seen during an 18-year period (mean follow-up, 5 years).
Measurements:
Scores for the severity of post-thrombotic symptoms were graded on a numerical rating scale ranging from 0 to 10 and on a 6-point verbal rating scale. Ultrasonographic sequelae were classified as grade 0, normal flow; grade 1, moderate obstruction; or grade 2, severe obstruction or occlusion.
Results:
Verbal scores were "nil/negligible" in 47% of patients and "severe/intolerable" in 13%; numerical scores were 0 to 3 in 78% of patients and 7 to 10 in 9%. Grade 2 ultrasonographic sequelae were found in 22% of cases. No relation was seen between ultrasonographic sequelae and symptom severity scores.
Conclusion:
The overall clinical outcome of spontaneous axillary-subclavian venous thrombosis is good, and there is no relation between the severity of late symptoms and ultrasonographic sequelae.