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  • Title: Conservative management of grade 4 and 5 renal injuries: A high-volume trauma center experience.
    Author: Glykas I, Fragkoulis C, Paizis T, Papadopoulos G, Stathouros G, Ntoumas K.
    Journal: Urologia; 2021 Nov; 88(4):287-291. PubMed ID: 34075839.
    Abstract:
    INTRODUCTION: Traumatic renal injuries represent a major public health issue concerning mostly young men. Over the last decades there is growing debate regarding the management of high-grade renal injuries due to the emerging role of conservative treatment. The aim of this study is to present our experience in the conservative management of patients presenting with grade 4 or grade 5 renal injuries in our department. MATERIAL AND METHODS: In this retrospective, single center study we evaluated data from a total of 57 hemodynamically stable patients who were managed conservatively for grade 4 or grade 5 renal injuries from 2015 to 2019 in our high-volume trauma center. Grading was based on contrast enhanced abdominal computed tomography (CT) scans. Patients managed with immediate nephrectomy due to hemodynamic instability and patients who underwent immediate laparotomy due to concomitant injuries or penetrating wounds were excluded from the study. RESULTS: A total of 54 patients diagnosed either with grade 4 or grade 5 renal trauma were finally successfully managed conservatively and included in the study. Median age was 34 years. Most patients presented with grade 4 renal trauma while five patients presented with grade 5 renal injury. Concomitant injuries not requiring surgical intervention were present in 48 patients. Continuous renal bleeding was detected in 15 patients (27.8%) and subsequent arterial embolization was performed with no further intervention required. Urine leak was diagnosed in 12 patients treated either by double j stent or by nephrostomy tube. CONCLUSIONS: Grade 4 and selected cases of grade 5 renal trauma can be treated conservatively with close monitoring and CT scan protocols in hemodynamic stable patients. In cases of continuous bleeding, arterial embolization can be performed. In cases of severe urine leak conservative management is also feasible either by inserting a double j stent or a nephrostomy tube.
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