Question
What is the investigation of choice in a patient with blunt abdominal trauma with hematuria?
The correct answer is
Contrast enhanced computed tomography
Blunt Abdominal Trauma Hematuria: Investigation of Choice
In patients presenting with blunt abdominal trauma and associated hematuria, the primary goal is to identify and assess injuries to the kidneys, ureters, bladder, and other abdominal organs. Hematuria, especially following blunt trauma, strongly suggests potential urinary tract injury.
Optimal Diagnostic Imaging
The investigation of choice is widely accepted as:
- Contrast Enhanced Computed Tomography (CECT): This modality is highly sensitive and specific for detecting injuries related to blunt abdominal trauma.
- CECT provides detailed cross-sectional images of the abdominal and pelvic organs.
- It effectively visualizes the extent of kidney lacerations, contusions, vascular injuries, ureteral damage, and bladder rupture.
- It also evaluates for injuries to other solid organs (liver, spleen) and the great vessels, which often accompany significant abdominal trauma.
- The use of intravenous contrast material is crucial for assessing renal perfusion and identifying active extravasation (bleeding).
Evaluation of Other Options
While other imaging techniques have roles, they are generally not the primary choice for this specific scenario:
- Ultrasonography (USG): Can be used for initial rapid screening in unstable patients (FAST exam) to detect free fluid, but it is less sensitive than CT for detecting specific solid organ or urinary tract injuries in trauma.
- Intravenous Urogram (IVU): An older technique that is less sensitive than CT for evaluating trauma-related injuries, particularly solid organ damage. It primarily assesses renal function and identifies gross urinary tract filling defects but lacks detailed anatomical resolution compared to CT.
- Retrograde Urogram: Primarily used to evaluate the lower urinary tract (urethra and bladder) when distal injury is specifically suspected. It is not the primary modality for assessing blunt abdominal trauma involving the kidneys or upper urinary tract.
Therefore, for a patient with blunt abdominal trauma and hematuria, Contrast Enhanced Computed Tomography offers the most comprehensive evaluation.
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Important Questions from Abdominal Injuries
- Which of the following statements regarding a patient of liver trauma are correct?
1. Liver is the most common organ injured following abdominal trauma.
2. Surgical exploration (laparotomy) is required in haemodynamically unstable patients and patients with free intraperitoneal fluid on FAST.
3. Contrast enhanced CT abdomen should be done in haemodynamically stable patients.
4. Blunt injuries have a higher mortality as compared to penetrating injuries.
Select the correct answer using the code given below. - Diaphragmatic injury is suspected in a 50 year gentleman with history of blunt abdominal trauma, having a normal chest X-ray. He is best managed by:
- Mainstay of an accurate diagnosis of pancreatic injury following blunt abdominal trauma is:
- A 30-year-old patient developed haematuria following a blunt injury to the abdomen. The patient is haemodynamically stable. However, the ultrasonographic examination reveals a perirenal collection which measures 4 x 4 cm. The patient is best managed by
- Consider the following findings with reference to a diagnostic peritoneal lavage (DPL) in a case of abdominal trauma :
1. $10\text{ ml}$ of gross blood on aspiration
2. W.B.C. count more than $500/\text{cu mm}$
3. Amylase level more than $175\text{ IU/dL}$
4. R.B.C. count more than $100,000/\text{cu mm}$
The criteria for a positive DPL are :
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