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Renal trauma: the current best practice
1Department of Urology, The Chaim Sheba Medical Center, Tel Hashomer, Israel.
Abstract:
The kidneys are the most vulnerable genitourinary organ in trauma, as they are involved in up to 3.25% of trauma patients. The most common mechanism for renal injury is blunt trauma (predominantly by motor vehicle accidents and falls), while penetrating trauma (mainly caused by firearms and stab wound) comprise the rest. High-velocity weapons impose specifically problematic damage because of the high energy and collateral effect. The mainstay of renal trauma diagnosis is based on contrast-enhanced computed tomography (CT), which is indicated in all stable patients with gross hematuria and in patients presenting with microscopic hematuria and hypotension. Additionally, CT should be performed when the mechanism of injury or physical examination findings are suggestive of renal injury (e.g. rapid deceleration, rib fractures, flank ecchymosis, and every penetrating injury of the abdomen, flank or lower chest). Renal trauma management has evolved during the last decades, with a distinct evolution toward a nonoperative approach. The lion's share of renal trauma patients are managed nonoperatively with careful monitoring, reimaging when there is any deterioration, and the use of minimally invasive procedures. These procedures include angioembolization in cases of active bleeding and endourological stenting in cases of urine extravasation.
Insights
Renal trauma is common in genitourinary injuries, often caused by blunt force. Modern management favors nonoperative approaches with minimally invasive procedures for active bleeding or urine leaks.
Area of Science:
- Urology
- Trauma Surgery
- Radiology
Background:
- Kidneys are highly vulnerable genitourinary organs in trauma.
- Renal injuries occur in up to 3.25% of trauma patients.
- Blunt trauma (MVA, falls) is the most common cause, followed by penetrating trauma (firearms, stab wounds).
Purpose of the Study:
- To review the diagnosis and management of renal trauma.
- To highlight the evolution towards nonoperative management strategies.
Main Methods:
- Contrast-enhanced computed tomography (CT) is the primary diagnostic tool.
- CT is indicated for stable patients with gross hematuria, microscopic hematuria with hypotension, and suggestive injury mechanisms or physical findings.
- Management strategies include nonoperative approaches with monitoring and minimally invasive interventions.
Main Results:
- Nonoperative management is the mainstay for most renal trauma patients.
- Minimally invasive procedures like angioembolization and endourological stenting are crucial for specific complications.
- Angioembolization addresses active bleeding; stenting manages urine extravasation.
Conclusions:
- Renal trauma diagnosis relies heavily on CT scans.
- The trend in renal trauma management is increasingly nonoperative.
- Minimally invasive techniques are vital adjuncts to nonoperative care for specific renal injuries.
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