Effect analysis of trajectory screw technique in fragility fracture of pelvic ring / 中国骨伤

OBJECTIVE@#To assess the clinical efficacy of minimally invasive technology with trajectory screw fixation for fragility fractures of pelvic(FFP).@*METHODS@#A retrospective case control study was performed to analyze the clinical data of 35 patients with FFP who were treated and followed up between January 2016 and December 2019. There were 12 males and 23 females, aged from 65 to 99 years with an average of(75.4±7.8) years old. There were 13 cases of type Ⅱb, 7 cases of type Ⅱc, 8 cases of type Ⅲa, 2 cases of type Ⅲb, 2 cases of type Ⅲc, 1 case of type Ⅳb, and 2 cases of type Ⅳc according to Rommens FFP comprehensive classification. All patients received the treatment of minimally invasive technology with trajectory screws fixation. According to the different methods of anterior pelvic ring fixation, FFP patients were divided into two groups:12 cases were fixed with the pedicle screw rod system in the anterior pelvic subcutaneous internal fixator (INFIX) group;23 cases were fixed with hollow screws of the pubic symphysis, superior ramus of pubis or acetabular anterior column in the screw group. The operation time, intraoperative blood loss, intraoperative fluoroscopy times, length of hospital stay, cost of internal fixation, pre- and post-operative visual analogue scale(VAS) were compared between the two groups. The fracture reduction quality was evaluated according to the Matta criteria, and the clinical function was evaluated by the Majeed functional scoring system respectively.@*RESULTS@#All patients were followed up for 12 to 39(16.5±5.4) months after surgery. There was no statistically significant difference in the operation time, intraoperative blood loss, intraoperative fluoroscopy time, and length of hospital stay between the two groups(P>0.05). As for the cost of internal fixation, the cost of internal fixation in the screw group [2 914 (2 914, 4 371) yuan] was significantly lower than that of the INFIX group [6 205 (6 205, 6 205) yuan] (P<0.05). No significant difference was observed in the incidence of postoperative complications between the two groups (P>0.05). There was no significant difference in VAS assessment at admission, 1 week, and 3 months after surgery between the two groups(P>0.05). However, the VAS assessment at 1 week and 3 months after surgery of the two groups were significantly better than those at admission(P<0.05). There was no significant difference in the quality of fracture reduction after the operation and the efficacy evaluation at the last follow-up between the two groups(P>0.05).@*CONCLUSION@#For the treatment of fragility fractures, minimally invasive technology with trajectory screw fixation can achieve good clinical efficacy. It has the advantages of being relatively minimally invasive, less bleeding, relieving the pain. It deserves clinical application.

Analysis of clinical effects of iliolumbar fixation in treating U-shaped sacral fractures / 中国骨伤

OBJECTIVE@#To evaluate the efficacy of iliolumbar fixation in the treatment of U-shaped sacral fractures.@*METHODS@#A retrospective study was conducted on the 14 complex U-shaped sacral fractures which had been treated from January 2014 to December 2019, involved 10 males and 4 females, aged 24 to 48 (35.4±6.5) years. Fracture healing time, nerve function, clinical function and complications were observed in the patients.@*RESULTS@#All patients were followed up for 9 to 16(26.0±5.9) months. The complete weight-bearing time for bone healing was(12.4±2.0) weeks. One case of surgical incision infection occurred after operation, and one case of sacrum nailspenetrated to the outer plate of sacrum. No complications such as pressure ulcers, loosening or rupture of internal fixation occurred. According to Gibbons scoring, the neurological function recovered from preoperative 2.9±0.9 to postoperative 2.1±1.1, there were statistically significant differences between preoperative and postoperative (@*CONCLUSION@#Sacral lumbar fixation is an effective method for the treatment of U-shaped sacrum fractures. It has the advantages of strong internal fixation and satisfactory functional recovery.

Comparison of different minimally invasive internal fixation in the treatment of pelvic anterior ring fracture / 中国骨伤

OBJECTIVE@#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.@*METHODS@#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 groups:anterior 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.@*RESULTS@#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 (@*CONCLUSION@#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.

Surgical treatment of acetabular type C1 acetabular fracture by posteroproximal-posteroanterior sequential reduction and internal fixation / 中国骨伤

<p><b>OBJECTIVE</b>To investigate the operative reduction techniques and clinical results of surgical treatment of type C1 (AO/ASIF) acetabular fracture by posteroproximal-posteroanterior sequential reduction and internal fixation.</p><p><b>METHODS</b>From August 2004 to January 2012, 13 patients with type C1 (AO/ASIF) acetabular fracture were treated by posteroproximal-posteroanterior sequential reduction and internal fixation. Of them, 8 cases were male and 5 cases were female with an average age of 42 years years old (ranged, 18 to 64). Pelvis 3-dimentional CT reconstruction were used to confirmed the classification of fracture, and the operation were performed during from 5 to 20 days with an average of 9.5 days. Operation time, blood loss, complications and reduction were recorded and evaluated. The function of hip joint were accessed at the final follow-up.</p><p><b>RESULTS</b>The operation time ranged from 190 to 290 min with an average of 240 min. The mean blood loss was 1 800 ml (ranged, 1 300 to 3 000 ml). One case had superficial infection and healed after 3 weeks. According to Matta reduction criteria, 8 cases obtained anatomical reduction, 4 cases got satisfied results and 1 cases got unsatisfied results. Eleven cases were followed up with an average of (24.0 +/- 8.0) months, and 2 cases were lost to follow-up. According to revised Mede d'Aubingne and Postel evaluation system, 7 cases got excellent results, 2 good, 1 moderate and 1 poor.</p><p><b>CONCLUSION</b>Posteroproximal-posteroanterior sequential reduction and internal fixation for the treatment of type C1 (AO/ASIF) acetabular fracture can achieve satisfied surgical proces and operation quality.</p>

Treatment of acromion base fractures with double plates internal fixation / 中国骨伤

<p><b>OBJECTIVE</b>To study clinical effects of double plates fixation for the treatment of acromion base fracutres.</p><p><b>METHODS</b>From January 2010 to May 2012, 7 patients with acromion base fractures were treated with double plates ORIF surgical treatment. There were 5 males and 2 females, with an average age of 36.3 years old (ranged, 24 to 62 years old). All fractures were acuted and closed injuries. The duration from injury to surgery was 4.6 days (ranged, 2 to 10 days). Hardegger functional criterion, Visual Analogue Scale (VAS) and complications of the patients were documented analysis.</p><p><b>RESULTS</b>All the patients were followed up,and the duration ranged from 4 to 13 months (averaged 8.9 months). The healing duration of fractures ranged from 8 to 14 weeks without any infection, shoulder instability, subacromial impingement syndrome, nonunion and failure of internal fixation. At the latest follow-up, the VAS ranged from 0 to 5. According to Hardegger criterion, 2 patients got an excellent result, 4 good and 1 poor.</p><p><b>CONCLUSION</b>Double plates ORIF plays a positive role in the treatment of acromion base fractures, which reduces complications and maximally restore the function of shoulder.</p>

Yoga is found hazardous to the meniscus for Chinese women / 中华创伤杂志(英文版)

<p><b>OBJECTIVE</b>Yoga is becoming more and more popular in the female society while the concomitant sports injury is seldom mentioned. Many clinicians have noted that yoga may result in knee problems, which though requires more researches to corroborate. This investigation was conducted to ascertain the relationship between yoga and meniscus injury as well as the extent of impairment according to variant yoga practice periods.</p><p><b>METHODS</b>Totally 819 women aged 20-49 years who practiced yoga or other popular sports including badminton, jogging, climbing hills, etc for at least one hour per day were selected to participate in this research. These subjects were required to complete a questionnaire and receive relevant physical examination. Magnetic resonance (MR) scan of the knee was recommended for the suspicious subjects for ultimate diagnosis. The subject with abnormal meniscus MR signals was defined as a case and matched with two controls in terms of age and body mass index (BMI). Altogether there were 273 cases and 546 controls. The nested case-control model was adopted to assess the risk of meniscus injury between variant exposures in practicing yoga and several other popular sports. Moreover, the 181 yoga subjects were subdivided into three groups according to different exercise durations, followed by further analysis with the variables of age, BMI and Lysholm score.</p><p><b>RESULTS</b>Yoga was found associated with a higher risk (P equal to 0.008, OR equal to 1.621) of meniscus injury compared with badminton, jogging and climbing hills. The three yoga subgroups showed statistical difference between each other in terms of Lysholm score (P equal to 0.027) and BMI (P equal to 0.003). The subjects with longer-term yoga practice had lighter weight but lower Lysholm scores.</p><p><b>CONCLUSIONS</b>Yoga perhaps exerts destructive impact on the meniscus for Chinese women, yet it needs further verifications. Furthermore, the female yoga players with longer exercise duration are more susceptible to meniscus injury though they can become leaner.</p>

Clinical outcomes of elastic intramedullary nail fixation and external fixation for the treatment of pediatric femoral shaft fractures / 中国骨伤

<p><b>OBJECTIVE</b>To compare clinical outcomes of elastic intramedullary nail fixation and external fixator for the treatment of pediatric femoral shaft fractures.</p><p><b>METHODS</b>From Sep. 2002 to Aug. 2008, 67 pediatric patients with femoral shaft fractures were treated. Among them, 36 pediatric patients with femoral shaft fractures were treated with closed reduction and elastic intramedullary nail fixation including 23 males and 13 females with an average age of (7.1 +/- 1.6) years ranging from 5 to 11 years; while 31 patients were treated with closed reduction and external fixation including 19 males and 12 females with an average age of (6.5 +/- 2.3) years ranging from 3 to 12 years. All patients obtained closed reduction. The fracture healing time and postoperative complications were compared between these two groups.</p><p><b>RESULTS</b>All patients were followed up for 9 to 24 months, in averaged (12 +/- 3) months. The time of fracture healing and bone union in elasitic intramedullary nail group was shorter than that of external fixation group (P<0.05). There were 5 cases of infection,3 of delayed healing, 2 of refracture, and 1 of fixation failure in external fixation group, and there were 3 of soft tissue irritation in elastic intramedullary nail group.</p><p><b>CONCLUSION</b>Elastic intramedullary nail has some advantages for the treatment of pediatric femoral shaft fracture, while external fixation has some advantage in patients with multiple injury and open injury. The proximal and distal femoral fractures are not suitable for elastic intramedullary nail fixation.</p>

Curative effect of the fibrinogen gel for sacral canal arachnoid cyst / 中国骨伤

<p><b>OBJECTIVE</b>To evaluate curative effect of the fibrinogen gel for treating sacral canal arachnoid cyst.</p><p><b>METHODS</b>Nineteen patients with sacral canal arachnoid cysts included 7 males and 12 females; The average age was 48.4 years ranging from 19 to 68 years. The course was from 2 weeks to 7 months. Of all the patients, 9 were in level of S1, 4 were in level of S1 to S2, 5 were in level of S2, 1 was in level of S1 to S3. Cystis wall greater partial excision adopted in 11 cases, partial resection in 8, then all patients were treated by spray painting fibrinogen gel.</p><p><b>RESULTS</b>Nineteen patients were followed-up for 13 to 30 months (mean 21.3 months). The clinical symptom disappeared completely in 18 patients, and only one patient urinated incapably, but after 2 weeks returned to normal. No one found recurrence by MRI after 12 months.</p><p><b>CONCLUSION</b>This method of fibrinogen gel for treating sacral canal arachnoid cyst has advantages of easy performing, safety, achieve good results, less neck symptoms and early commencing of mobilization.</p>