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find Author "LI Ruibo" 3 results
  • Effect on time of temporarily-closed wound drainage on blood loss of primary total knee arthroplasty after intravenous and intra-articular injection of tranexamic acid

    Objective To investigate the effect and safety of time of temporarily-closed wound drainage on blood loss of primary total knee arthroplasty (TKA) after intravenous and intra-articular injection of tranexamic acid (TXA). Methods Eighty female patients were selected from 102 patients who underwent primary TKA between September 2015 and July 2016, who were randomly divided into 4 groups: control group (group A), 30 minutes group (group B), 60 minutes group (group C), and 90 minutes group (group D), 20 patients each group. No significant difference was found in age, body mass index, side, pathogen, duration, and preoperative hemoglobin, albumin, and hematocrit between 4 groups (P>0.05). All the patients received intravenous injection of 1 g TXA at 10 minutes before removing the tourniquet. The patients in group A were injected with 60 mL normal saline into the articular cavity and closed drainage after surgery, while the patients in groups B, C, and D were injected with 60 mL TXA into the articular cavity and closed drainage for 30, 60, and 90 minutes respectively. The volume of drainage at 24 hours after operation, the total blood loss, the postoperative hemoglobin level, maximum hemoglobin loss, albumin loss, the volume and frequency of blood transfusion, venous thrombo embolism rate, and pulmonary embolism rate were recorded and compared between groups. Results The volume of drainage and total blood loss in groups B, C, and D were less than those of group A, showing significant difference between groups C, D and group A (P<0.05), but no significant difference between group B and group A (P>0.05). The volume of drainage at 24 hours after operation in group B was higher than that in groups C and D, showing significant difference between groups B and D (P<0.05), but no significant difference was found between groups C and D (P>0.05). There was no significant difference in the total blood loss between groups B, C, and D (P>0.05). The hemoglobin loss and albumin loss gradually decreased from groups A to D, but no significant difference was found between groups (P>0.05). No venous thrombo embolism and pulmonary embolism occurred. The hemoglobin value decreased to 28 g/L at 3 days after operation in 1 patient of group D, who received venous transfusion of 20 g human albumin. Conclusion Intravenous and topical application of TXA in TKA can significantly decrease postoperative bleeding. Topical TXA combined with 60 minutes temporarily-closed wound drainage may reduce postoperative blood loss to the greatest extent without increasing the risk of venous thrombo and pulmonary embolism event after TKA.

    Release date:2017-04-12 11:26 Export PDF Favorites Scan
  • Effectiveness of autologous femoral head bone graft in total hip arthroplasty for Crowe type Ⅲ developmental dysplasia of hip with acetabular bone defect

    Objective To explore the surgical technique and effectiveness of autologous femoral head bone graft in total hip arthroplasty (THA) for Crowe type Ⅲ developmental dysplasia of the hip (DDH) with acetabular bone defect. Methods Between July 2012 and September 2015, 12 cases (12 hips) of Crowe type Ⅲ DDH with acetabular bone defect were included. Of the 12 patients, 2 were male and 10 were female, with an average age of 54.3 years (range, 37-75 years). The Harris score before operation was 41.08±7.90. The preoperative leg length discrepancy was 0.53-4.28 cm, with an average of 2.47 cm. Autologous femoral head bone graft and cancellous screw fixation were used in all cases to reconstruct acetabula in THA. Four cases were performed with subtrochanteric shortening osteotomy at the same time. Results All incisions healed by first intention. Twelve cases were followed up 1 year and 10 months to 5 years, with an average of 3.0 years. X-ray films showed that bone healing was observed in all cases at 6 months to 1 year after operation. There was no bone graft osteolysis, absorption, bone graft collapse, and acetabular prosthesis loosening. At last follow-up, the Harris score was 89.50±2.78, showing significant difference when compared with preoperative value (t=–25.743, P=0.003). The length discrepancy was 0-1.81 cm at last follow-up with an average of 0.76 cm. Conclusion Autologous femoral head bone graft is effective for Crowe type Ⅲ DDH with acetabular bone defect, which has advantages of restoring pelvic bone stock, obtaining satisfied prosthetic stability and mid-term effectiveness.

    Release date:2018-01-09 11:23 Export PDF Favorites Scan
  • Mid-term effectiveness of total hip arthroplasty with subtrochanteric shortening osteotomy in treatment of Crowe type Ⅳ developmental dysplasia of hip

    ObjectiveTo explore the mid-term effectiveness of total hip arthroplasty (THA) with subtrochanteric shortening osteotomy in treatment of Crowe type Ⅳ developmental dysplasia of the hip (DDH).MethodsBetween September 2009 and March 2014, a total of 49 patients (57 hips) who were diagnosed with Crowe type Ⅳ DDH were treated with THA and subtrochanteric shortening osteotomy. Of the 49 patients, 7 were male and 42 were female with an average age of 44.6 years (range, 20-73 years). The preoperative Harris score was 44.68±3.39 and the preoperative leg length discrepancy was (5.27±0.55) cm.ResultsAll incisions healed primarily. All patients were followed up 32-87 months (mean, 52.1 months). At last follow-up, the Harris score was 85.67±2.89 and the leg length discrepancy was (1.12±0.48) cm, showing significant differences when compared with the preoperative values (t=–69.53, P=0.00; t=42.94, P=0.00). X-ray films showed that bone union of the femoral osteotomy end at 6 months after operation. There was no loosening and subsidence of prosthesis at last follow-up.ConclusionThe subtrochanteric shortening osteotomy with THA in treatment of Crowe type Ⅳ DDH can obtain satisfactory mid-term effectiveness with low risk of peripheral vascular and nerve traction injuries.

    Release date:2018-04-03 09:11 Export PDF Favorites Scan
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