pelvic ring fracture
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2022 ◽  
Vol 17 (1) ◽  
Author(s):  
Akihiko Hiyama ◽  
Taku Ukai ◽  
Satoshi Nomura ◽  
Masahiko Watanabe

Abstract Background The subcutaneous screw rod system, commonly known as the internal pelvic fixator (INFIX), is useful in managing unstable pelvic ring fractures. Conventional INFIX and transiliac–transsacral (TITS) screw techniques are performed using C-arm fluoroscopy. There have been problems with medical exposure and screw insertion accuracy with these techniques. This work describes new INFIX and TITS techniques using intraoperative computed tomography (CT) navigation and C-arm fluoroscopy for pelvic ring fracture. Methods A typical case is presented in this study. An 86-year-old woman suffered from an unstable pelvic ring fracture due to a fall from a height. INFIX and TITS screw fixation with intraoperative CT navigation were selected to optimize surgical invasiveness and proper implant placement. Results The patient was placed in a supine position on a Jackson table. An intraoperative CT navigation was imaged, and screws were inserted under the navigation. Postoperative X-rays and CT confirmed that the screw was inserted correctly. This technique was less invasive to the patient and had little radiation exposure to the surgeon. Rehabilitation of walking practice was started early after the surgery, and she was able to walk with the assistance of a walker by the time of transfer. Conclusions The technique employed in our case study has the cumulative advantages of safety, accuracy, and reduced radiation exposure, together with the inherent advantages of functional outcomes of previously reported INFIX and TITS screw techniques. Further experience with this approach will refine this technique to overcome its limitations and facilitate its wider use.


2021 ◽  
Author(s):  
Akihiko Hiyama ◽  
Taku Ukai ◽  
Satoshi Nomura ◽  
Masahiko Watanabe

Abstract BACKGROUND: The subcutaneous screw rod system, commonly known as the internal pelvic fixator (INFIX), is useful in managing unstable pelvic ring fractures. Conventional INFIX and transiliac–transsacral (TITS) screw techniques are performed using C-arm fluoroscopy. There have been problems with medical exposure and screw insertion accuracy with these techniques. This work describes new INFIX and TITS techniques using intraoperative computed tomography (CT) navigation and C-arm fluoroscopy for pelvic ring fracture.METHODS: Here is a typical case. An 86-year-old woman suffered an unstable pelvic ring fracture due to a fall from a height. INFIX and TITS screw fixation with intraoperative CT navigation was selected to optimize surgical invasiveness and proper implant placement.RESULTS: The patient was placed in a supine position on a Jackson table. An intraoperative CT navigation was imaged, and screws were inserted under the navigation. Postoperative X-rays and CT confirmed that the screw was inserted correctly. This technique was less invasive to the patient and had little radiation exposure to the surgeon. Rehabilitation of walking practice was started early after the surgery, and she was able to walk with the assistance of a walker by the time of transfer. CONCLUSIONS: The technique employed in our case study has the cumulative advantages of safety, accuracy, and reduced radiation exposure, together with the inherent advantages of functional outcomes of previously reported INFIX and TITS screw techniques. Further experience with this approach will refine this technique to overcome its limitations and facilitate its wider use.


2021 ◽  
Vol 9 (2) ◽  
pp. 25-33
Author(s):  
V. P. Glukhov ◽  
A. V. Ilyash ◽  
V. V. Mitusov ◽  
D. O. Kubasov ◽  
A. V. Pilieva ◽  
...  

Introduction. Pelvic ring fracture with complex bone fragments displacement is associated with the urethral distraction injury in about 10% of cases. Emergency care for these patients includes the provision of trauma management and urinary diversion followed by delayed urethroplasty.Purpose of the study. To determine the effect of extramedullary osteosynthesis in a pelvic ring fracture on the outcome of treatment in patients with post-traumatic urethral strictures.Materials and methods. The study included 17 patients with post-traumatic urethral strictures associated with pelvic ring fractures (Types B, C). The average age of the patients was 35.8 ± 10.2 (19 - 61) yrs. All patients underwent submerged osteosynthesis and cystostomy drainage as an emergency. Localization of strictures: 10 (58.8%) - membranous, 7 (41.2%) - bulbo-membranous. Length of strictures: 1.47 ± 0.5 (0.5 - 2.5) cm. Post-traumatic period: 6.6 ± 1.3 (4 - 10) mo.Results. All patients underwent anastomotic urethroplasty. No early postoperative complications were identified. Spontaneous urination was restored by 14 - 15 days in all patients. Early urethral stricture relapses were revealed in 9 (52.9%) patients during 3-mo follow-up. These patients underwent removal of the metal structures fixing the pelvic bones. Repeated urethroplasty was performed a month later. Subsequent relapses of urethral stricture were not detected in any of 17 cases with a median follow-up of 28 (12 - 128) mo.Conclusion. Surgical treatment of urethral strictures associated with a pelvic ring fracture and osteosynthesis is advisable after removal of the metal structures fixing the pelvic bones. This is since the excessed retropubic screws protrusion (> 0.2 - 0.3 mm) is associated with a large area of periurethral fibrous inflammation and causes high relapse risks of stricture disease (52.9%) in the case of urethral surgery preceding the removal of metal structures.


2020 ◽  
Vol 12 (3) ◽  
pp. 957-963
Author(s):  
Meng‐meng Du ◽  
Ai‐guo Wang ◽  
Xiao‐hua Shi ◽  
Bo Zhao ◽  
Ming Liu

2020 ◽  
Vol 31 (1) ◽  
pp. 91-96
Author(s):  
Jerome John Rogich ◽  
Reeo Yeop Kim ◽  
Spencer Chang ◽  
Jason Kaneshige ◽  
Leland Dao

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