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Clinical observation of utilizing a transolecranon pin joystick technique in the treatment of multidirectionally unstable supracondylar humeral fractures in children / 中华骨科杂志
Chinese Journal of Orthopaedics ; (12): 1397-1408, 2020.
Article in Chinese | WPRIM | ID: wpr-869093
ABSTRACT

Objective:

Compared with closed reduction and percutaneous pinning (CRPP) treatment, evaluating the clinical observation of utilizing a transolecranon pin joystick technique combined with CRPP in the teatment of multidirectionally unstable supracondylar humeral fractures in children.

Methods:

From thirty nine pediatric multidirectionally unstable supracondylar humeral fractures hospitalized between January 2012 and January 2019, twenty seven males (69.23%) and twelve females (30.77%) were included in the study, with a average age of 6.68±2.52 years (range, 2.17-13.75 y), twenty three fractures (65.7%) were treated with CRPP (CRPP group) and the remaining Sixteen fractures (41.03%) were treated utilizing a transolecranon pin joystick technique combined with CRPP (joystick group). Both groups were followed over 16 weeks. The paired sample t test or χ2 test and Fisher's exact test were used to compare the surgical time, times of fluoroscopy, quality of reduction and neurological or vascular complications, Baumann angle, carrying angle, lateralcapitellohumeral angle, postoperative range of motion as well as function-al outcomeduringthe Sixteen weeks and the last follow-up appointment.

Results:

All caseswere followed up for 1.98±1.43 years, and all fractures achieved clinical healing at 4 to 6 weeks postoperation. The surgical time and times of fluoroscopy were significantly shorter for patients in the joystick group (27.17±9.68 min, 24.25±5.92 times) when compared with CRPP group (48.59±15.75 min, 49.65±23.83 times, P<0.05). All cases showed restoration of the normal lateral capitellohumeral angle. Compared with Baumann angle of normal contralateral upper extremity during the sixteen weeks and the last follow-up appointment, the quality of reduction on the anteroposterior radiographic view was significantly better for patients in the joystick group than that of CRPP group ( P<0.05). The Baumann angle of the affected upper extremity was 77.70°±2.16°, and that of the normal contralateral upper extremity was 73.78°±4.04° in the CRPP group, joystick group was 73.06°±1.81° and 72.81°±3.45°, respectively at the sixteen weeks follow-up. The Baumann angle of the affected upper extremity was 77.13°±2.20°, and that of the normal contralateral upper extremity was 74.17°±4.17° in the CRPP group, joystick group was 72.69°±1.70° and 73.38°±3.48°, respectively at the last follow-up. The range of motion and clinical outcomes based on the criteria of Flynn were similar in both groups ( P<0.05). The elbow joint function of excellent and good rate of the criteria of Flynn was 82.61%, elbow flexion was 134.13°±8.61°, elbow extension was -3.48°±6.47° in the CRPP group, joystick group was 81.25%, 132.19°±9.48° and -3.44°± 4.37°, respectively at the sixteen weeks follow-up. The elbow joint function of excellent and good rate of the criteria of Flynn was 91.30%, elbow flexion was 140.14°±5.76°, elbow extension was -0.65±3.79° in the CRPP group, joystick group was 93.75%, 141.88°±5.12° and -0.31°±3.86°, respectivelyat the last follow-up. No immediate postoperative complications were observed.

Conclusion:

A transolecranon pin joystick technique combined with CRPP is a safe and effective method, can decrease surgical time and times of fluoroscopy and improve quality of reduction with no increasing risk of complications for closed reduction of multidirectionally unstable supracondylar humeral fractures in children.
Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Chinese Journal of Orthopaedics Year: 2020 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Chinese Journal of Orthopaedics Year: 2020 Type: Article