Analysis of therapeutic strategies for ureteral injury in pernicious placenta previa

doi:10.3877/cma.j.issn.1674-3253.2025.06.011

Abstract

Abstract:

Objective

To explore the diagnosis and treatment strategies for ureteral injury after pernicious placenta previa (PPP) with placental implantation, with a focus on analyzing the role and limitations of preoperative retrograde ureteral catheterization, as well as the clinical value of multidisciplinary collaboration.

Methods

A retrospective analysis was conducted on the clinical data of a patient with PPP combined with placental implantation who was admitted to the Third Affiliated Hospital of Sun Yat-sen University in May 2024. The incidence of ureteral injury during surgery was compared between patients with preplaced ureteral catheters and those without catheters, and the prevention methods of urinary tract injury during surgery and the standardized operation process of postoperative ureteroscopy were summarized.

Results

Although preoperative catheterization reduces the risk of injury in PPP patients, intraoperative bleeding still leads to ureteral injury caused by accidental ligation. The patient underwent ureteral reimplantation 3 months after surgery and recovered well.

Conclusion

Ureteral injury after dangerous placenta previa surgery is a serious complication. Preoperative placement of ureteral catheter, careful operation during surgery, and timely postoperative management are key factors in reducing ureteral injury. For complex cases, multidisciplinary collaboration and the selection of individualized surgical plans are particularly important.

Key words: Ureteral injury, Pernicious placenta previa (PPP), Multidisciplinary collaboration, Preplaced catheters, Ureteral reimplantation

Li Wang, Yu Wang, Jie Ding, Wenwei Li, Jing Ouyang, Xu Zhang. Analysis of therapeutic strategies for ureteral injury in pernicious placenta previa[J]. Chinese Journal of Endourology(Electronic Edition), 2025, 19(06): 753-758.

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References 31

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