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1.
Article in Chinese | WPRIM | ID: wpr-867876

ABSTRACT

Objective:To evaluate the hip C-arm fluoroscopy at primary position in internal fixation of femoral neck fracture.Methods:A retrospective study was conducted of the 69 patients with femoral neck fracture who had been treated from August 2015 to August 2018.They were divided into a primary position group ( n=35) subjected to C-arm hip fluoroscopy at primary position under symmetry traction of bilateral lower limbs for reduction of femoral neck fracture and a control group ( n=34) subjected to C-arm hip fluoroscopy at frog’s position on the healthy side for traction and reduction of the injured hip. The 2 groups were compared in terms of fluoroscopy frequency, times of resetting guide pin, intraoperative blood loss and total operation time. Results:The 2 groups were comparable due to insignificant significances between them in the preoperative general data like gender, age, fracture type, injury cause, or interval from injury to operation ( P>0.05). Compared with the control group, the primary position group showed less intraoperative fluoroscopy (7.2 times ± 0.5 times versus 16.1 times ± 1.2 times), fewer times of resetting guide pin (2.1 times ± 0.31 times versus 4.7 times ± 0.8 times), less intraoperative blood loss (96.8 mL ± 18.6 mL versus 198.1 mL ± 13.2 mL), and shorter total operation time (1.2 h ± 0.2 h versus 1.6 h ± 0.3 h). All the differences were statistically significant ( P<0.05). Conclusions:C-arm hip fluoroscopy at primary position may protect the stability after fracture reduction because bilateral lower limbs are under symmetrical traction and the hip position needs no alteration. Operation of C-arm fluoroscopy is easy and convenient and produces clear images. Therefore, this new mode of fluoroscopy has advantages of less intraoperative fluoroscopy and guide pin resetting, leading to significantly reduced intraoperative blood loss, ineffective operation time and anesthesia time.

2.
Article in Chinese | WPRIM | ID: wpr-495498

ABSTRACT

Objective To compare the curative effect of internal fixation treatment between reconstruction-type intramedullary nailing and long anatomic proximal femoral locking plate for patients with ipsilateral femoral proximal and shaft fractures. Methods Twenty-six patients with ipsilateral femoral proximal and shaft fractures were selected, among whom 12 patients were treated with reconstruction-type intramedullary nailing internal fixation treatment (group A), and 14 patients were treated with long anatomic proximal femoral locking plate internal fixation treatment (group B). The fracture to operation time, operation time, intraoperative blood loss, fracture healing time and hip joint function according to Majeed function score were compared between 2 groups. Results The fracture to operation time, operation time, intraoperative blood loss, proximal femoral fracture healing time, femoral shaft fracture healing time and Majeed function score in group A were (6.65 ± 4.11) d, (131.08 ± 20.70) min, (470.83 ± 96.43) ml, (17.83 ± 2.70) weeks, (20.08 ± 3.97) weeks and (83.83 ± 8.13) scores, and those in group B were (7.13 ± 4.56) d, (141.86 ± 27.30) min, (553.57 ± 127.80) ml, (18.29 ± 5.12) weeks, (21.55 ± 4.19) weeks and (83.21 ± 9.58) scores, and there were no statistical differences (P>0.05). According to Majeed function score, in group A excellent was in 7 cases, good in 4 cases, and general in 1 case; in group B excellent was in 9 cases, good in 3 cases, and general in 2 cases. Conclusions A fixation device fixes two fracture is preferred. Both treatment methods used in the present study could achieve satisfactory curative effect, and should be chosen according to the fracture type of the patients and the surgeon′s familiarity for the methods of internal fixation chosen. The proximal femoral fracture should preferably be reduced and stabilized first. A delay of 5 - 6 d would not affect the ultimate curative effect.

3.
Article in Chinese | WPRIM | ID: wpr-445398

ABSTRACT

BACKGROUND:Whether adipose-derived mesenchymal stem cells are able to exert immunomodulatory effects in the treatment of myocardial infarction, as wel as the best time, is less reported. OBJECTIVE:To observe the effect of adipose-derived mesenchymal stem cells on inflammatory reaction and ventricular remodeling after myocardial infarction, and to explore the possible mechanisms of adipose-derived mesenchymal stem cells for the treatment of myocardial infarction. METHODS:Enzyme digestion method was employed to isolate and culture rat adipose-derived mesenchymal stem cells. By ligation of the left anterior descending coronary artery, we established animal models of myocardial infarction in 40 rats. The rats were randomly divided into four groups:sham group, control group (injected high-glucose Dulbecco’s modified Eagle’s medium), 3-hour transplantation group (transplanted adipose-derived mesenchymal stem cells after 3 hours of myocardial infarction), 7-day transplantation group (transplanted adipose-derived mesenchymal stem cells after 7 days of myocardial infarction). After 14 days of operation, the levels of tumor necrosis factor-αand interleukin-10 in the plasma were detected by enzyme linked immunosorbent assay. After 28 days of operation, the left ventricular end diastolic diameter, left ventricular end systolic diameter, left ventricular ejection fraction and left ventricular fractional shortening were measured by echocardiography. RESULTS AND CONCLUSION:Compared with the control group, in the 3-hour transplantation group and 7-day transplantation group, the levels of tumor necrosis factor-αwere significantly lower (P<0.01), and the levels of interleukin-10 were significantly higher (P<0.01) at postoperative 14 days;the left ventricular end diastolic diameter and left ventricular end systolic diameter in the two transplantation groups were also significantly smal er (P<0.05), but left ventricular ejection fraction and left ventricular fractional shortening were significantly elevated (P<0.05), which was more apparent in the 3-hour transplantation group than the 7-day transplantation group. Adipose-derived mesenchymal stem cells transplantation in acute phase of myocardial infarction can suppress the inflammatory response, regulate the cytokine network equilibrium, and thus delay ventricular remodeling and improve cardiac function.

4.
Article in Chinese | WPRIM | ID: wpr-548648

ABSTRACT

[Objective]To study the perioperative management and effect of total hip arthroplasty (THA) in elder patients with developmental dysplasia of the hip (DDH). [Methods]THA was applied in 24 patients (32 hips) who sufferring osteoarthritis and femoral head necrosis due to developmental dysplasia of the hip. The patients ranged from 70 to 82 years old with an average age of 74.3,and they all had metabolic diseases or more than one organ dysfunctions. The patients fulfilled the conditions of the surgery after sufficient perioperative period preparation.[Results]The follow-up time was from 2 to 8 years (averaged 3 years).Cardiopulmonary function was improved in all patients and the artificial joints were stable. And the patients could walk stably and powerfully without pain and deformity of the hip. The average Harris score after the operation was 87.2 points,and it was higher than 38.5 points before the operation.[Conclusion]For the reason of osteoarthritis and femoral head necrosis due to DDH,the patient's activity decreased,and so with their organ functions. And these patients always had metabolic diseases.All these can affect the safety and the outcome of THA. Therefore,sufficient perioperative management is as important as the surgery technique to obtain a stable,painless and functional joint in these patients.

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