The aim of this work was to analyze the results of a percutaneous drainage technique with 2 catheters during surgical treatment of phlegmons of the finger flexor tendon sheath. Our series included 32 patients with a phlegmon of flexor tendon sheaths, including 19 men and 13 women, mean age 43.4years. The first 16 patients (group I) were treated by a conventional open technique for the lavage and drainage of the affected tendon sheath. The last 16 (group II) were treated by an ultrasound-guided percutaneous lavage technique with 2 catheters: one proximal and one distal. In the case of impermeability of the digital canal, conversion by open technique was carried out. In group II, the ultrasound-guided percutaneous lavage was 5 times successful. Failure of the proximal catheter alone was noted once, whereas failure of the distal catheter alone was noted 7 times. The failure of both catheters was noted 3 times. At a mean follow-up of 19.7 days, mean handgrip strength was 56.5% compared to the contralateral side in group I and 82% in group II (P<0.05). However, there was no significant difference for pain, QuickDASH, total active mobility between group I and group II. Pain was at 1.4/10 for group I and 1.4/10 for group II. QuickDASH was measured at 27/100 for group I and 22.27/100 for group II. Total active mobility was 227° for group I and 243° for group II. In conclusion, surgical treatment of the phlegmons of the finger flexor tendon sheath with an ultrasound-guided percutaneous lavage technique gives significantly better short-term grip strength than the conventional open technique.
Keywords: Cellulitis; Drainage; Flexor tendon sheath; Gaine des fléchisseurs; Lavage; Phlegmon; Ultrasound; Échographie.
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