Browsing by Author "Okcu, G"

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    Ganglion cysts of the proximal tibiofibular joint review of literature with three case reports
    Vatansever, A; Bal, E; Okcu, G
    Proximal tibiofibular ganglion is a rare disorder. It may settle down in the subcutaneous tissue or may develop along the peroneal muscles and nerve. Common clinical findings are various sizes of mass, pain and hypoesthesis due to compression neuropathy. We report three cases of proximal tibiofibular ganglion and review the literature about the diagnostic tools, recurrence rates and treatment modalities.
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    Antegrade nailing of femoral shaft fractures combined with neck or distal femur fractures - A retrospective review of 25 cases, with a follow-up of 36-150 months
    Okcu, G; Aktuglu, K
    Introduction. Complex femoral fractures pose considerable therapeutic challenges to orthopedic surgeons. We present a retrospective review of 25 patients with complex femoral fractures treated with intramedullary locked nailing and supplemental screw fixation. Materials and methods. Fifteen patients with ipsilateral femoral neck and shaft fractures (group 1) and 10 patients with ipsilateral femoral shaft and distal femur fractures (group 2) were treated from 1990 to 1998. High-energy injuries occurred in all patients. There were 4 open fractures. Antegrade, locked nailing of diaphyseal fractures was performed in all cases. Supplemental screws for the neck were used in all patients in group 1 and in 3 patients in group 2. Results. All of the fractures united during the follow-up. Five patients in group 1 underwent reoperation (33.3%): one due to a delayed union, the second due to an implant failure, the third due to a nonunion of a neck fracture, and the last two because of an initially missed femoral neck fracture. None of the patients in group 2 underwent reoperation. Angular malalignment of the shaft was found in 6 fractures in group 1 (average 4.8(o), range 3(o)-11(o)) and in 4 fractures in group 2 (average 6(o), range 3(o)-12(o)). Shortening of the limb occurred in 3 patients in group 1 (average 1.4 cm, range 1-1.8) and in 1 patient in group 2 (2 cm). Loss of fixation was seen in 1 patient in each group. Avascular necrosis and infection were not seen in any case in both groups. Conclusion. Femoral intramedullary nails with antegrade or retrograde options for insertion and different locking possibilities have extended the indications to include both diaphyseal and metaphyseal fractures. New nail designs, usually more expensive than the conventional nails, have been introduced into the market for this purpose. One has to keep in mind that antegrade, locked nailing of femoral shaft fractures combined with neck or distal femur fractures is a technically demanding but efficacious procedure. The success rate is high when the technique is meticulously implemented.
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    Intra-articular fractures of the tibial plafond - A comparision of the results using articulated and ring external fixators
    Okcu, G; Aktuglu, K
    We retrospectively reviewed 60 fractures of the tibial plafond treated by either an ankle-sparing diaphyseal-epiphyseal technique using the llizarov ring fixator or by an ankle-spanning technique using a monolateral articulated external fixator. The llizarov ring fixator was applied in 24 fractures and the monolateral articulated transarticular external fixator in 20. Both techniques were combined with limited open reduction and internal fixation of the articular surface if necessary. Between three and nine years after the injury, all patients returned for clinical and radiological assessment and evaluation of ankle function using the modified Mazur score. There were no significant differences between the two groups in terms of age, gender, mechanism of injury, type of fracture or length of follow-up. The mean functional ankle score was 86 points for the llizarov group and 82 points for the articulated fixator group. The difference was not significant (p = 0.07). There were no significant differences between the groups with regard to the radiographic score and late complications. Patients treated with the Ilizarov ring fixator had significantly better ankle and subtalar movement. We conclude that both techniques of external fixation are satisfactory methods of treatment for fractures of the tibial plafond, but that the total arc of movement of the joint is preserved better without bridging the ankle.
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    Which Implant Is Better for Treating Reverse Obliquity Fractures of the Proximal Femur: A Standard or Long Nail?
    Okcu, G; Ozkayin, N; Okta, C; Topcu, I; Aktuglu, K
    Reverse obliquity fractures of the proximal femur have biomechanical characteristics distinct from other intertrochanteric fractures and high implant failure rate when treated with sliding hip screws. Intramedullary hip nailing for these fractures reportedly has less potential for cut-out of the lag screw because of their loadbearing capacity when compared with extramedullary implants. However, it is unclear whether nail length influences healing. We compared standard and long types of intramedullary hip nails in terms of (1) reoperation (fixation failure), (2) 1-year mortality rate, (3) function and mobility, and (4) union rate. We conducted a pilot prospective randomized controlled trial comparing standard versus long (a parts per thousand yen 34 cm) intramedullary hip nails for reverse obliquity fractures of the proximal femur from January 2009 to December 2009. There were 15 patients with standard nails and 18 with long nails. Mean age was 79 years (range, 67-95 years). We determined 1-year mortality rates, reoperation rates, Parker-Palmer mobility and Harris hip scores, and radiographic findings (fracture union, blade cut-out, tip-apex distance, implant failure). Minimum followup was 12 months (mean, 14 months; range, 12-20 months). We found no difference in reoperation rates between groups. Two patients (both from the long-nail group) underwent revision surgery because of implant failure in one and deep infection in the other. There was no difference between the standard- and long-nail groups in mortality rate (17% versus 18%), Parker-Palmer mobility score (five versus six), Harris hip score (74 versus 79), union rate (100% in both groups), blade cut-out (zero versus one), and tip-apex distance (22 versus 24 mm). Our preliminary data suggest reverse obliquity fractures of the trochanteric region of the femur can be treated with either standard or long intramedullary nails.
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    Should full threaded compression screws be used in adult femoral neck fractures?
    Okcu, G; Özkayin, N; Erkan, S; Tosyali, HK; Aktuglu, K
    Introduction: Operative treatment consisting of fracture reduction and fixation, or arthroplasty to permit early patient mobilization, continues to be the treatment of choice for most femoral neck fractures. Options for internal fixation have included a variety of implants; however most recent reports and textbooks cite parallel multiple cancellous screws as the surgical technique of choice. Methods: The study was prospective, randomized and IRB approved. Inclusion criteria included skeletal maturity, closed femoral neck fracture without concomitant fractures or injuries with complete charts and adequate radiographs obtained from the initial injury till the last follow-up. Forty-four patients were enrolled in this study during one-year period at two university centers. 22 were randomized to be treated with full threaded, cannulated compression screws (Acutrak 6/7, ACUMED) (Group 1) and the other 22 with 16 mm partial threaded, 6.5 mm or 7.3 mm cannulated screws (SYNTHES) (Group 2). Three or four screws were used in both groups according to fracture type and surgeon's preference. Data evaluated included surgical time, fluoroscopy time, fracture type, radiological outcome, complications and functional status using the Harris Hip Score. Results: Both groups were comparable in terms of age and gender. There was not a significant difference in terms of surgical time, follow-up period, fracture type, or fluoroscopy time. There were eight complications in Group 1 and two in Group 2 (P = 0.049) Time to union was significantly longer in Group 1 (P = 0.001). However, Hip Scores were not significantly different in both groups (P = 0.20). Conclusion: When compared with full threaded compression screws, partial-hreaded cannulated screws provides a shorter union time and less complication rate while providing equivalent functional results in adult femoral neck fractures. (C) 2015 Elsevier Ltd. All rights reserved.
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    The analysis of functional and radiographic outcomes of conservative treatment in patients with low lumbar burst fractures
    Erkan, S; Tosyali, K; Özalp, T; Yercan, H; Okcu, G
    Introduction: Burst fractures of the low lumbar spine constitute approximately one percent of all lumbar fractures. There is still no consensus on the optimal treatment of low lumbar burst factures. We aimed to evaluate the functional and radiographic outcomes of conservative treatment in patients with low lumbar burst fracture. Methods: 15 patients (11 males, 4 females; mean age 32 +/- 8) who had low lumbar spine burst fracture treated with a custom-moulded thoracolumbosacral orthosis (TLSO) with a thigh extension were enrolled. The mean follow-up period was 22 +/- 6 months. 14 patients were neurologically intact and one had isolated nerve root injury. There were 24% type A fractures and 76% type B fractures according to the Denis classification system. Functional outcomes were evaluated by using Oswestry Disability Index (ODI), Short-Form 36 (SF-36) and Visual Analogue Scale (VAS). Radiographic outcome was analyzed by measuring anterior vertebral height loss, kyphosis angle, amount of canal retropulsion. Functional and radiographic outcomes were reviewed initially and at 1, 3, 6, 12 months, and at the latest follow-up. Functional and radiographic improvements were analyzed statistically. Results: The mean bracing period was 11.9 +/- 1.7 weeks. The mean initial ODI, SF- 36, and VAS score of the patients was 78.3 +/- 9.6, 23.7 +/- 8.9, and 8.7 +/- 0.7, respectively. The mean ODI, SF- 36, and VAS score of the patients at the final follow-up was 26.4 +/- 6.5, 68.1 +/- 11.2, and 2.8 +/- 1.7, respectively. The improvement in functional outcomes was measured to be significant (p < 0.05 for ODI, SF-36 and VAS). The mean initial anterior vertebral height loss, kyphosis angle, amount of canal retropulsion was found to be 27.2% +/- 9.6%, -6.8 degrees +/- 3.28, 37.4% +/- 10.2%, respectively. The mean anterior vertebral height loss, kyphosis angle, and amount of canal retropulsion at the final follow-up was 23.1% +/- .6.7%, 4.2 degrees +/- 2.48, 19.6% +/- 7.7%, respectively. Among the radiographic outcomes, only the amount of canal retropulsion improved statistically (p = 0.042). Conclusion: Conservative treatment using a custom-moulded thoracolumbosacral orthosis with a thigh extension is a safe and effective method in patients with low lumbar spine burst fractures and can improve functional and radiographic outcomes. (C) 2015 Elsevier Ltd. All rights reserved.
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    Synovial hemangiohamartomas of the knee joint
    Yercan, HS; Okcu, G; Erkan, S
    Hemangioma or vascular malformation of the synovium is rare and presents a difficult problem in diagnosis and treatment. A long history of joint pain and recurrent non-traumatic hemarthrosis usually draws attention to the hemangioma of the knee joint. The lesion can be seen in two different formations; the synovial hemangioma or the arteriovenous malformation named as hemangiohamartomas, both of which involve the synovium and cause non-traumatic episodes of hemarthrosis. MRI scanning together with arthroscopy is a diagnostic tool to demonstrate the extent and the nature of the lesion. We treated the three patients at different ages. All patients underwent standard radiographic examination, CT scans, MRI and diagnostic arthroscopy. After frozen section taken via arthroscopically, the lesions were excised by arthrotomy. The mean follow-up was 38 months (31-45) and all patients are asymptomatic postoperatively. Three additional cases and a review of the literature are presented because of the rarity of the lesion.
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    A novel technique for reconstruction of the medial patellofemoral ligament in skeletally immature patients
    Yercan, HS; Erkan, S; Okcu, G; Özalp, RT
    Habitual or recurrent dislocation of the patella in the skeletally immature patient is a particularly demanding problem since the etiology is frequently multifactorial. The surgical techniques successfully performed in adults with patellar instability may risk injury to an open growth plate if applied to children. We present a technique that preserves femoral and patellar insertion anatomy of medial patellofemoral ligament (MPFL) using a free semitendinosus autograft together with tenodesis to the adductor magnus tendon without damaging open physis on the patellar attachment of MPFL. A 3-cm long longitudinal skin incision is performed 10 mm distal to the tibial tuberosity on the anteromedial side. The semitendinosus tendon is harvested with the stripper. The semitendinosus tendon is placed on a preparation board and cleaned of muscle tissue. The usable part of the tendon should be at least 20 cm long and 4 mm wide. The two free ends of the graft are sutured with Krakow technique. A medial longitudinal incision 2 cm in length is made to expose the MPFL and to abrade the patellar attachment of vastus medialis obliquus. The first patellar tunnel is created with 4.5 mm drill at the mid aspect of the medial patella in the anteroposterior and proximal-distal direction. The drill hole is formed parallel to the articular surface of the center of the patella. The second tunnel is created with 3.2 mm drill and the entry point is localized at the center of the patella. These two tunnels intersect to form a single tunnel. The semitendinosus autograft is run through the bone tunnel in the patella. Double-stranded semitendinosus autograft is placed in the presynovial fatty plane between the second and the third layer of the medial retinaculum, and tenodesis to adductor magnus tendon is applied by a moderate medial force with the knee flexed at 30A degrees. Aftercare includes immobilization of the joint limited to 30A degrees flexion using an above-knee splint for 2 weeks. No recurrent dislocation was observed in three patients (4 knees) at a mean follow-up time of 17.7 months. Both range of motion and radiological finding were restored to normal limits.
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    Given the encouraging results of biomechanical studies on femoral neck fractures, are locking plates more safe?
    Hancioglu, S; Gem, K; Tosyali, HK; Okcu, G
    This current study compares the clinical and radiological outcomes of femoral neck fractures in young adults treated with either cannulated screws (CS) or proximal femoral locking plates (PFLP). We conducted a retrospective study in patients aged 18 to 60 years with femoral neck fractures and investigated medical records between January 2005 and December 2016. Patients were divided into two groups based on implants, screw and plate, used for fi xation assigned. In addition, two groups were compared for their complications and functional outcomes, which were assessed with Harris Hip Score (HHS) and Parker Palmer mobility scores. Sixty-nine of 104 patients met the inclusion criteria. Forty patients were treated with cannulated screws, while 29 were treated with a proximal femoral locking plate. The two groups were comparable in terms of their perioperative variables. The overall complication rate (screw group, n = 10; plate group, n = 14) and non-union rate were significantly high in the plate group (p < 0.05). Other complications did not show statistically significant differences. The screw group had better functional outcomes than the plate group, where only the Parker-Palmer mobility score comparison was significant (p < 0.05). Poor reduction quality and Pauwels'type III fractures were statistically associated with high complication rates regardless of the implants used (p < 0.05). Although PFLP showed better outcomes in biomechanical studies than CSs, we observed poorer clinical results. Therefore, although some of our results appeared to be statistically significant, reduction quality should also be considered.
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    Is it possible to decrease skin temperature with ice packs under casts and bandages? A cross-sectional, randomized trial on normal and swollen ankles
    Okcu, G; Yercan, HS
    Introduction There is a general belief that the presence of a cast or a bandage eliminates the lowering effects of skin temperature when local cold therapy applied on the surface of the cast or bandage. The purpose of this study is to determine the magnitude of temperature changes at the skin of the ankle after the application of frozen ice packs to the surface of various casts and bandages both in normal and swollen ankles. Materials and Methods Thirty-two healthy subjects (Group A) and 12 patients with Grade III inversion type acute ankle sprain (Group B) were randomly divided into four groups. The sensor of the digital thermometer was secured to the ankle over the anterior talo-fibular ligament in every subject before placement of a bandage or cast. Robert Jones bandage, elastic support bandage, a below-knee plaster cast and synthetic below-knee cast were applied in groups 1, 2, 3 and 4, respectively. Two frozen ice packs were placed around the cast or bandage at the level of sensor, and skin temperatures were recorded. Results The skin temperature under dressings and casts decreased significantly relative to the baseline temperatures with local cold therapy in all groups. The fall in the temperature with cryotherapy in group A showed a three-phase pattern of change between groups 1 and 2, groups 2 and 3 and groups 2 and 4 during the experiment. The fall in the skin temperature with ice packs differed significantly between groups 1 and 3, and also groups 1 and 4 from the beginning till the end of the experiment. There was no significant difference between groups 3 and 4 in terms of skin temperature fall with cryotherapy during the whole experiment. The results were similar in group B. Conclusion A bandage or cast does not prevent measurable skin temperature lowering by frozen ice packs both in normal and swollen ankles.
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    An unusual rotational injury: pantibial ligamentous injury
    Yercan, HS; Okcu, G; Erkan, S; Ozic, U
    Pantibial ligamentous injury including knee dislocation and tibiotalar joint subluxation is an uncommon severe rotational injury. A 21-year-old male injured his right knee falling from a motorcycle. Physical examination revealed effusion on the right knee and ankle, and posterior translation of the tibia as well. The MRI of the right knee and ankle demonstrated the following findings: a complete disruption of cruciate ligaments, the medial collateral ligament, posteromedial corner injury together with a peripheric tear in the medial meniscus, the ruptured deltoid ligament, ankle syndesmosis space widening (> 5 mm) and lateral subluxation of talus. Deltoid ligament of the right ankle was repaired and ankle syndesmosis was fixed with a cortical screw. The PCL and ACL were reconstructed arthroscopically with autogeneous bone-patellar tendon-bone graft. The midsubstance tear of MCL, posteromedial corner and medial meniscus tear were primarily repaired with nonabsorbable sutures. 3 years after the surgery, the patient was called for the final examination. MRI and X-ray findings of the knee and ankle joint demonstrated the continuity of ACL, PCL, MCL, and deltoid ligament. The patient, who is a farmer, can go back to his job and perform his daily activities. We presented a previously unreported case that involves both simultaneous occurrence of knee dislocation and tibiotalar joint subluxation. We used the term Pantibial ligamentous injury for this case.
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    The influence of sagittal cervical profile, gender and age on the thoracic kyphosis
    Erkan, S; Yercan, HS; Okcu, G; Özalp, RT
    The objective of this prospective consecutive cohort study was to investigate the effect of sagittal cervical profile, gender and age on the thoracic kyphosis in 228 subjects, mainly adults, free of spinal complaints and with a thoracic kyphosis of less than 50 degrees. The subjects, who were actually treated for lower extremity problems, were divided into two groups : the 68 subjects in group 1 (30%) had loss of cervical lordosis, while the 160 subjects in group 2 (70%) had a physiological cervical lordosis. In group 1 (loss of cervical lordosis) the mean angles of the upper (T1T6), lower (T7T12), and whole (T1T12) thoracic kyphosis were 8 degrees +/- 2 (range : 3-28 degrees), 15 degrees +/- 4 (range : 6-40 degrees), and 24 degrees +/- 6 (range : 10-46 degrees), respectively. In group 2 the normal cervical lordosis seemed to lead to a compensatory increase in these values : 13 degrees +/- 4 (range, 4-35 degrees) (p = 0.008), 21 degrees +/- 5 (range : 6-45 degrees) (p = 0.012), and 34 degrees +/- 8 (range : 12-50 degrees) (p = 0.007). In both groups gender had no significant effect on the values of the thoracic kyphosis (p > 0.05). Also age had no influence, neither in group 1 nor in group 2 as a whole, but in group 2 advanced age (>50 years) was correlated with a significant increase in the lower (T7T12) (p = 0.009) and whole (T1T12) thoracic kyphosis (p = 0.007). This study yields standards for reference for the normal curvatures of the spine in the sagittal plane. The literature is quite controversial on this matter.
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    The incidence and location of corona mortis - A study on 75 cadavers
    Okcu, G; Erkan, S; Yercan, HS; Ozic, U
    We dissected 150 fresh cadaver halves by ilioinguinal exposure, and counted all vessels more than 2 mm in diameter, connecting the obturator system to the external iliac system. The distance between the symphysis pubis and the anastomotic vessels was measured. We found vascular anastomoses between the obturator and external iliac systems in 91 of 150 sides (61%), and anastomotic veins in 78 of 150 exposures (52%). Arterial connections were seen in 29 of the exposures (19%). The mean distance between the anastomotic arteries and the symphysis pubis was 64 (45-90) mm, and 56 (37-80) mm for the communicating veins. There seemed to be no significant difference between genders in the incidence of corona mortis and the distance between communicating vessels and the symphysis pubis.
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    Reconstruction of diabetic foot ulcers by lateral supramalleolar flap
    Yercan, HS; Ozalp, T; Okcu, G
    Objective: To report a series of 8 diabetic patients in whom the reconstruction of large-sized defect of the foot was performed using lateral supramalleolar flap. Methods: Coverage of the soft tissue defect was carried out by a lateral supramalleolar flap in 8 patients who had large-sized, non-healing ulcers at the Celal Bayax University, Department of Orthopedics and Traumatology, Manisa, Turkey, between 1998-2003. The mean age was 54 years. Preoperatively Doppler flowmeter evaluation was performed, and the ischemic index was calculated in all patients. Results: The flaps survived except for one patient who had a large defect on the heel with low ischemic index. The average healing time of the ulcer region and recovery of regular walking status was 34 days. The average healing period of the donor site was 35 days. After the average follow-up period of 40 months, neither infection nor a recurrence of the ulcer was encountered. The major problem of the donor area was skin graft breakdown and its non-aesthetic appearance due to hypertrophic granulation tissue. Conclusion: The lateral supramalleolar flap is a reliable option for the reconstruction of large-sized diabetic ulcers involving the dorsal aspect of the foot. This can also be used in conjunction with local muscle flaps, such as abductor hallucis for covering deep and large heel defects when the sural neurocutaneous flap is contraindicated.
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    Arthroscopic removal of the osteoid osteoma on the neck of the talus
    Yercan, HS; Okcu, G; Ozalp, T; Osiç, U
    Juxta-articular osteoid osteomas arising around the ankle are unusual. Tumors arising on the neck of the talus will commonly produce symptoms mimicking monoarticular arthritis or trauma. Patients are usually treated for arthritis or ankle sprain, which often leads to a delay in definitive diagnosis. We present an arthroscopic removal of an osteoid osteoma on the neck of talus, and review the literature.
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    Does timing matter in performing kyphoplasty ? Acute versus chronic compression fractures
    Erkan, S; Özalp, TR; Yercan, HS; Okcu, G
    The objective of this prospective consecutive cohort study was to compare the clinical outcomes, the radiographic outcomes and the complication rates of symptomatic acute (< 10 weeks) and chronic (> 16 weeks) osteoporotic vertebral compression fractures (VCFs) treated with kyphoplasty. Twenty-eight consecutive patients had 52 symptomatic osteoporotic VCFs treated with kyphoplasty; 5 of these patients were treated in two sessions. The Oswestry Disability Index (0131) for back pain, a Visual Analog Scale for pain assessment, a patients' satisfaction scale, and medication usage served to evaluate the clinical outcomes. All these variables improved significantly in both groups, and more so in the acute group, but the difference was most often not significant. Vertebral height, local kyphosis angle, global sagittal alignment and dynamic fracture mobility significantly improved in both groups (except global sagittal alignment), and again more so in the acute group (except global sagittal alignment); the difference between groups was significant regarding radiological variables, except global sagittal alignment. Timing of kyphoplasty certainly matters, as the clinical and radiological outcomes were mostly better in acute fractures than in chronic fractures, which somehow responded satisfactorily. Controlled studies (kyphoplasty versus natural history) are needed to establish the real value of the procedure.
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    A rare disorder: idiopathic tumoral calcinosis
    Ovali, GY; Tarhan, S; Serter, S; Bayindir, P; Okcu, G; Demireli, P; Pabuscu, Y
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    Traumatic spinopelvic dissociation managed with bilateral triangular osteosynthesis: Functional and radiological outcomes, health related quality of life and complication rates
    Erkan, S; Cetinarslan, O; Okcu, G
    Background: Spinopelvic dissociation (SPD) is difficult to manage and is associated with high mortality and morbidity, including concomitant orthopaedic polytrauma, spine injuries, pelvic ring disruptions, neurological, soft-tissue, and vascular injuries. The purpose of this study is to evaluate the functional and radiological outcomes; health related quality of life and complication rates of patients with traumatic spinopelvic dissociation underwent bilateral triangular osteosynthesis (TOS). Methods: The study was approved by the medical school's institutional review board (IRB). Prospective data collection of nineteen consecutive cases of traumatic SPD were included in the study from October 2015 to August 2018. Bilateral TOS was performed to manage all patients with SPD. The clinical outcome for fractures was analyzed with Majeed function assessment. Health Related Quality of Life (HRQoL) was assessed with the EQ-6D questionnaire. The reduction quality was evaluated according to Matta criterion. CT scanning was used to verify the fracture union in patients at 24th weeks postoperatively. Results: There were 12 women and 7 men with an average age of 47.2+8.4 years (range, 17-62 years). The average follow-up time was 25.2 +/- 3.7 months (average, 22-45 months). The most common mechanism of injury was falling (57%). According to Majeed functional scoring, the results were excellent in 12 cases, good in 5 cases and fair in 2 cases. The median EQVAS score was 78.9 +/- 8.4. 15 patients (78.9%) turned back to their original occupation. Pain and mood disorders mainly influenced patients' present general health status. According to Matta criterion for fracture reduction, the results were excellent in 14 cases, good in 4 cases and fair in 1 case. Complications were noted as wound healing problems (26%), implant loosening (5%) and iatrogenic nerve injury (5%). Conclusion: Bilateral TOS demonstrates satisfactory functional and radiological outcomes with low complication rates except infection rate in patients with traumatic spinopelvic dissociation. HRQoL is mainly dominated by pain and mood disorders. 78.9% of the patients turned back to their original occupation. Surgeons should be aware of wound healing problems in case of increased muscle mobilization and degloving injuries.Implant removal is required to improve the lumbopelvic mobility. (C) 2020 Elsevier Ltd. All rights reserved.