Notes

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ubtrochanteric fracture. Limited incision titanium cable assisted fixation can improve the reduction rate and fixation strength of long segment fracture, which is conducive to early functional exercise.
To investigate the clinical effect of proximal femoral nail anti rotation (PFNA) and titanium plate in the treatment of Evans Jensen type V intertrochanteric fractures.

From October 2013 to March 2016, 30 patients with Evans Jensen type V intertrochanteric fractures were analyzed. According to the operation methods, they were divided into two groups16 cases of closed reduction and PFNA internal fixation;14 cases of small incision incision reconstruction of titanium plate reconstruction of femoral moment and lateral wall PFNA internal fixation. The operation (blood loss, operation duration), postoperative rehabilitation (postoperative ambulation time, bone healing time), operation related complications (internal fixation fracture, withdrawal, spiral blade cutting out) were observed and compared between the two groups. Harris score of hip joint function was performed 12 months after operation, and the loss degree of cervical trunk angle was observed and compared.

All the 30 patients were followed up for 1ethod for the treatment of Evans Jensen type V intertrochanteric fracture.
Evans Jensen was treated with PFNA intramedullary fixation through reduction and fixation of femoral moment and lateral wall with reconstruction titanium plate Vtype intertrochanteric fracture can restore the support of femoral moment and lateral wall to femoral head and neck, improve the stability of fracture end and internal fixation after operation, and reduce the risk of fracture end displacement, internal fixation loosening, cutting out and even fracture after treatment with PFNA alone. To shorten the bed time of elderly patients and reduce the operation related complications, it provides a new idea and method for the treatment of Evans Jensen type V intertrochanteric fracture.
To observe the clinical effect of platelet rich plasma (PRP) combined with β tricalcium phosphate bioceramic bone in the treatment of non traumatic necrosis of the femoral head in ARCO stageⅡ.

From January 2017 to December 2018, 100 patients (160 hips) with ARCO stageⅡnon traumatic necrosis of the femoral head were divided into PRP group and control group. selleck products In PRP group, 50 patients (80 hips), 22 males and 28 females, aged from 18 to 65 (43.47± 7.23) years, with a course of 4 to 18 (15.8±2.9) months, underwent core decompression and bone grafting combined with PRP implantation. There were 50 cases (80 hips) in the control group, including 27 males and 23 females, aged 20 to 63 (45.72± 7.43) years, and the course of disease was 6 to 19 (14.9±3.8) months. Hip X-ay film was followed up after operation. Harris score and VAS score were used to evaluate the curative effect, and the survival rate of hip joint was recorded.

All patients had good wound healing, no infection, thrombosis and other complications. Ala(PRP) combined with artificialbone for core decompression and bone grafting can change the situation of simple artificial bone implantation and uncertain curative effect, improve the success rate of this operation, effectively reduce the collapse rate of femoral head necrosis in the early and middle stage, delay or even avoid hip replacement.
To compare the clinical efficacy of three minimally invasive methods of anterior column screw, plate and screw rod system in the treatment of anterior pelvic ring fracture.

From December 2015 to September 2018, 77 patients with pelvic anterior ring fracture were treated and followed up, including 45 males and 32 females, aged 19 to 73 years. According to AO / OTA classification, there were 26 cases of type B1, 20 cases of type B2, 17 cases of type B3 and 14 cases of type C. According to the different internal fixation methods, they were divided into three groupsanterior column screw group(35 cases), plate group(20 cases), and screw rod system group(22 cases). The operation time, intraoperative fluoroscopy times, blood loss, fracture reduction quality, complications and curative effect of the three groups were compared.

All 77 patients were followed up for 12 to 33 (16.5±5.7) months. The operation time, intraoperative blood loss and incision length of anterior column screw group were significantly shorter than those of plate group and screw rod system group, and intraoperative fluoroscopy times of plate group were significantly less than those of anterior column screw group and screw rod system group (
<0.05). There was no significant difference in the quality of fracture reduction and curative effect among the three groups(
>0.05). The incidence of complications was significant different among three group(
<0.05).

Minimally invasive internal fixation with anterior column screw, plate and screw rod system can obtain good clinical effect, but anterior column screw fixation has less trauma and lower incidence of surgicalcomplications.
Minimally invasive internal fixation with anterior column screw, plate and screw rod system can obtain good clinical effect, but anterior column screw fixation has less trauma and lower incidence of surgicalcomplications.
To evaluate the efficacy and safety of local application of tranexamic acid (TXA) in reducing perioperative blood loss in total hip arthroplasty via direct anterior approach (DAA).

From July 2013 to September 2018, 46 patients with avascular necrosis of the femoral head were divided into tranexamic acid group (
=23) and saline group (
=23). In the tranexamic acid group, there were 14 males and 9 females, aged 52 to 72(63.70±5.34) years old. They were diluted with 3 g tranexamic acid in 50 ml normal saline and immersed in the joint cavity for 3 min after prosthesis replacement;in the normal saline group, there were 13 males and 10 females, aged 55 to 73 (61.26±5.78) years, who were treated with the sameamount of normal saline. The blood loss, hemoglobin value, number of blood transfusion cases, the time of first landing after operation, the incidence of thrombosis and incision adverse events were compared between the two groups. Harris score was used to evaluate hip joint function at 1 and 3 months after operation.
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