Minimally invasive internal fixation for unstable pelvic rin
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This study aimed to evaluate the radiographic and clinical outcomes of anterior subcutaneous internal fixation (INFIX) with or without posterior fixation for the treatment of unstable pelvic fractures.

Intraoperative blood loss, operation time, and hospital stay duration were all recorded, as well as fracture union and postoperative problems. The Matta score, pelvic deformity index (PDI), and pubic symphyseal width were used to assess the quality of the fracture reduction (PSW). In addition, the Majeed score and the 12-Item Short-Form Survey (SF-12) were used to assess functional recovery and overall quality of life. The Gibbons classification was also used to assess sacral nerve damage.

--27 patients with an average age of 37.4 years were followed up for a mean of 22 months.

--The average operation time, median intraoperative blood loss, and average duration of hospital stay were 129 ± 47 min, 100 mL, and 22 ± 13 days, respectively. All patients achieved bony union with an average union time of 13.3 weeks.

--Furthermore, the average PDI and PSW were 0.07 ± 0.04 vs. 0.04 ± 0.03 and 1.15 ± 1.36 vs. 0.54 ± 0.17 before and after the operation, respectively.

--In 78% of the patients, the Matta or Majeed scores were excellent or good. The SF-12 physical and mental health scores were 45.1 ± 10.2 and 53.2 ± 6.3, respectively.

--Furthermore, one superficial surgical site infection, one loosening of INFIX, one lateral femoral cutaneous nerve irritation, one femoral nerve injury, and two implant discomforts due to the bar were noted.

--Among 5 patients with sacral nerve injuries, four were asymptomatic, and one just had paresthesia at the last follow-up.

Finally, in the treatment of unstable pelvic ring fractures, INFIX with or without sacroiliac screws can yield good radiographic and functional outcomes.