RESUMO
Purpose: This retrospective study aimed to compare the clinical outcomes and complications of conventional tension band wire (TBW), TBW with penetrating technique, and double-bending technique. Methods: A total of 40 patients (17 men and 23 women; mean age: 64.0 ± 19.0 years) who underwent surgery for displaced olecranon fractures between January 2018 and December 2021 were included and divided into three groups based on the surgical method used (group A, conventional TBW; group B, TBW with penetrating technique; and group C, double-bending technique). Thirteen patients were assigned to group A, 17 to group B, and 10 to group C, including 2 Mayo type IB, 30 Mayo type IIA, and 8 Mayo type IIB fractures. Postoperative outcomes (elbow extension and flexion arc) and complications, such as backing out of the Kirschner wire (K-wire), were retrospectively evaluated. Results: No significant difference was found in the general characteristics of the patients and fracture type among the three groups. The mean elbow extension arc values were 6.2°, 10.9°, and 0° in groups A, B, and C, respectively; it was significantly better in group C than in group B (P = .001). The rates of backing out of the K-wire were 84.6% (11/13) in group A, 41.2% (7/17) in group B, and 0% (0/10) in group C; the rate was significantly lower in group C than in group A (P < .001). Conclusions: The double-bending technique may be the best procedure for preventing the backing out of the K-wire and postoperative complications, such as range of motion restriction, for treating olecranon fractures that are treatable by TBW. Type of study/level of evidence: Therapeutic IV.
RESUMO
BACKGROUND: This study was designed to document the prevalence of radiographic findings of pincer-type morphology in an asymptomatic population and determine any relationship to age. METHODS: A total of 2,104 hips in 1,052 patients (mean age 38.9 years [10-59]), who underwent abdominal/pelvic computed tomography for other conditions, were identified retrospectively. Anteroposterior scout radiographs were used to detect the acetabular crossover sign (COS), prominent ischial spine (PRIS), coxa profunda (CP), and posterior wall sign (PWS). Subgroup analyses of signs were performed by age (group 1: 532 hips in <30-year-old patients; group 2: 1,572 hips in ≥30-year-old patients). RESULTS: COS and PRIS was observed significantly more often in group 1 vs. group 2: COS was 73.1% vs. 29.3% in group 2, p<0.001; PRIS was 23.9% vs.7.4% in group 2, p<0.001. CP and PWS was observed significantly less frequently in group 1 vs. group 2: CP 3.4% vs. 21.2% in group 2, p<0.001; PWS was 4.7% vs. 11.0% in group 2, p<0.001. DISCUSSIONS: Radiographic pincer-type findings were common in an asymptomatic population and their prevalence was dependent upon a patient's age, indicating a diagnosis using radiographic parameters should also take into account a patient's age.