A Prospective Comparison of clinical examination RTG, US and CT artrography and Arthroscopy to Detect Rotator Cuff Tears

Czech version

Authors: José Decordeiro; Radek Hart; Peter Filan; Václav Štipčák
Authors‘ workplace: Department of Orthopaedics and Traumatology, General Hospital, Znojmo, Czech Republic ; Ortopedicko-traumatol. odd., Nemocnice Znojmo, MUDr. Jana Janského, Znojmo, ČR
Published in: Úraz chir. 16., 2008, č.1

Overview

Aim:
The aim of our study was to evaluate the efficiency of X-ray, Ultrasonography (US) and CT arthrography in the diagnosis of the rupture of the rotator cuff.

Methods:
Twenty adult patients with average age of 46,1, who complained of shoulder pain were examined (clinically, X-ray, US, CT arthrography) during a 10-month period, and subsequently underwent arthroscopy of the affected shoulder.

Results:
Using athroscopy as gold standard, both US and CT arthrography showed high diagnostic efficiency to detect tears, with sensitivity, specificity, positive and negative predictive accuracies of 86,7 %, 80 %, 92,9 % and 66,7 % for US, and 93,3 %, 80 %, 93,3 % and 80 % for CT arthrography, 33 %, 100 %, 100 % and 33 % for X-ray, respectively. To evaluate the correlation of the tests with arthroscopy we calculated the Cohen coefficient kappa. This was significant for US (p=0,005), for CT arthrography (p<0,001), the coefficient for X-ray was not relevant.

Conclusion:
The diagnostic ability of US and CT arthrography to detect rotator cuff tears implies that it can be used successfully.

Key words:
shoulder, rotator cuff, Ultrasonography , CT artrography, X-ray.

Sources

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Trauma Surgery

2008 Issue 1

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