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1.
Chinese Journal of Orthopaedics ; (12): 131-135, 2023.
Article in Chinese | WPRIM | ID: wpr-993419

ABSTRACT

Femoral head fracture is commonly seen in high-energy injury. However, compression fracture of femoral head is more rare. In most classifications of femoral head fracture, the compression is unusually involved. A case about acute traumatic dislocation of hip joint with compression fracture of femoral head is reported, involving a patient who hurt himself by riding electric bike and hitting the flower bed. He came to our hospital complaining of pain and limited motion of his right leg. The diagnosis of right hip anterior dislocation with the compression fracture of femoral head was confirmed by medical history, physical examination and imaging. Closed reduction of hip dislocation was performed in an emergency. Then we transplanted the bone cartilage from the non-weight-bearing area under the femoral head to the collapsed weight-bearing area, fixing it with countersunk hollow screws, and then the non-weight-bearing donor area was reconstructed with autogenous iliac bone, using surgical hip dislocation. The anatomical structure of the femoral head was therefore restored successfully during the operation. Three months after surgery, the X-ray showed that the femoral head was smooth and the cartilage graft was well fixed. Eight months after surgery, the patient gradually increased the bearing weight from partial to full according to his own condition, and there was no obvious pain in hip. After 24-month follow-up, we found the X-rays showed good reduction and fixation of the femoral head fracture. The CT scan showed no necrosis or cystic degeneration. He got well-active and passive movement in hip joint, and got no pain when walking with burden. For the patient with hip dislocation and compression fracture of femoral head, early joint reduction and non-weight-bearing osteocartilage transplantation can restore the anatomical structure of the weight-bearing area of the femoral head, to avoid traumatic osteoarthritis, and to improve the long-term quality of life of patients.

2.
Chinese Journal of Orthopaedic Trauma ; (12): 491-497, 2023.
Article in Chinese | WPRIM | ID: wpr-992738

ABSTRACT

Objective:To explore the clinical efficacy of a retrograde pubic ramus intramedullary nail (RPRIN) in the treatment of anterior pelvic ring fractures.Methods:A retrospective study was conducted to analyze the 14 patients with anterior pelvic ring fracture who had been treated and followed up at Department of Traumatic Surgery, Tongji Hospital From June 2020 to February 2021. There were 10 males and 4 females with an age of (44.8±12.5) years. By the AO/OTA classification for pelvic fractures, 5 cases were type 61-A, 4 cases 61-B, and 5 cases type 61-C; by the Nakatani classification, 1 case belonged to unilateral zone Ⅰ fracture, 5 cases to unilateral zone Ⅱ fracture, 2 cases to unilateral zone Ⅲ fracture, 3 cases to right zone Ⅱ and left zone Ⅲ fracture, 2 cases to zone Ⅲ fracture on both left and right sides, and 1 case to zone Ⅱ fracture on both sides. The time from injury to operation was (7.8±1.8) days. All the anterior pelvic ring fractures were fixated with a RPRIN. The time and fluoroscopic frequency for placement of every single RPRIN, quality of fracture reduction, and pelvic function and incidence of postoperative complications at the last follow-up were recorded.Results:A total of 18 RPRINs were placed in the 14 patients. For placement of each RPRIN, the time was (35.9±8.6) min, and the fluoroscopic frequency (22.8±1.9) times. No complications such as infection occurred at any surgical incision after RPRIN placement. According to the Matta scoring, the quality of postoperative fracture reduction was assessed as excellent in 7 cases, as good in 5 cases and as fair in 2 cases. The 14 patients were followed up for (18.1+1.5) months. Their X-ray and CT images of the pelvis at the last follow-up showed that the fractures healed well and the intramedullary nails were placed in the cortical bone of the anterior ring of the pelvis. According to the Majeed scoring at the last follow-up, the pelvic function was assessed as excellent in 10 cases, as good in 3 cases and as fair in 1 case. One patient reported discomfort during squatting 2 months after operation but the symptom improved 3 months later without any special treatment. No patient experienced such complications as displacement or slippage of RPRIN, or pain at the insertion site.Conclusion:RPRIN is effective in the treatment of anterior pelvic ring fractures, showing advantages of small surgical incision, limited intraoperative fluoroscopy and short operation time.

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