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Studies on the minimally invasive percutaneous suture technique of eight times for repairing closed injury extensor tendon zone I of finger / 中华骨科杂志
Chinese Journal of Orthopaedics ; (12): 1701-1707, 2021.
Article in Chinese | WPRIM | ID: wpr-910763
ABSTRACT

Objective:

To discuss the clinical curative effect of the minimally invasive percutaneous suture technique of eight times for repairing closed injury extensor tendon zone I of finger.

Methods:

From February 2017 to January 2020, 12 patients (male 8, female 4) with mallet finger deformity were retrospectively studied, with an average age of 35 years (range, 18-50 years). And all the affected fingers were acute closed rupture of extensor tendon in zone I of single finger, 5 cases of the left finger and 7 cases of the right finger. There were 1 case of the thumb finger, 2 cases of the index finger, 3 cases of the middle finger, 4 cases of the ring finger and 2 cases of the little finger. 12 patients with fresh sputum mallet fingers were with 3-0 thread monofilament suture on extensor tendon zone I of finger in the minimally invasive percutaneous suture technique of eight times, and the distal end of the tendon was fixed to the base of the distal phalanx through the bone hole. Removal of the Kirschner wire 6-8 weeks, the brace was used to fix the affected finger in the dorsal extension. The flexion and extension of the affected finger was gradually strengthened. The function of the affected finger was evaluated according to the Crawford standard after operation and follow-up. The active flexion and extension range of motion of each joint of the affected finger and the contralateral healthy finger were measured, and the total action movement (TAM) of the finger were recorded. Finger function was evaluated according to TAM of the American Association of Hand Surgeons.

Results:

All operations were successfully completed, the operation time of the patients ranged from 18 to 25 min, with an average of 20.1±0.2 min. There was only a small amount of bleeding in the surgery. All 12 cases were followed up and the follow-up periods ranged from 6 to 14 months, with an average of 10.2±1.1 months. Mallet finger deformities were all corrected postoperatively; there were no knot exposure, skin necrosis and other complications. According to the Crawford standard, 9 cases were excellent, 2 cases were good, and 1 case was fair. The excellent and good rate was 91.7% (11/12). The mean active flexion of distal interphalangeal joints on the wounded finger and healthy finger were 82.11°±2.02° and 84.09°±2.01°, the mean active extension of distal interphalangeal joints on the wounded finger and healthy finger were -2.04°±3.01° and 0.02°±1.02°, there were significant differences between them ( t=2.447, 3.246; P=0.019, 0.004). The degrees of active joint activity of wounded finger were 91.02°±4.01° of the metacar-pophalangeal joint, 94.04°±2.11° of the proximal interphalangeal joint, 83.01°±2.02° of the distal interphalangeal joint, and 265.05°±13.04° of total active activity; the degrees of active joint activity of healthy finger were 93.01°±3.21° of the metacar-pophalangeal joint, 94.03°±3.07° of the proximal interphalangeal joint, 85.02°±2.01° of the distal interphalangeal joint, and 269.02°±12.10° of total active activity. The TAMs of the healthy side were 269.02°±12.10°, and the TAMs of the affected side were 265.05°±13.04°, there was no significant difference between them ( P>0.05). According to TAM system assessment criteria excellent in 9 patients, good in 3 patients, and the excellent and good rate was 100% (12/12).

Conclusion:

The minimally invasive percutaneous suture technique of eight times can well repair closed injury extensor tendon zone I of finger, can have satisfactory treatment outcome in mallet finger with a simple procedure and good outcome. It is a simple, safe, effective method with minimal invasion.

Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Chinese Journal of Orthopaedics Year: 2021 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Chinese Journal of Orthopaedics Year: 2021 Type: Article