What are the grades of liver injury?
The WSES Classification divides Hepatic Injuries into three classes: Minor (WSES grade I). Moderate (WSES grade II). Severe (WSES grade III and IV).
What is a Grade 3 liver injury?
A grade III laceration is characterized by a laceration that is > 3 cm of parenchymal depth, a subcapsular hematoma that is > 50% surface area of ruptured subcapsular or parenchymal hematoma, and an intraparenchymal hematoma that is > 10 cm or expanding. 13.
What is a Grade 5 liver injury?
Grade V: laceration: parenchymal disruption involving >75% of hepatic lobe or >3 Couinaud segments within a single lobe; vascular: juxtahepatic venous injuries (ie, retrohepatic vena cava/central major hepatic veins).
What is a grade 4 liver laceration?
grade IV. laceration: parenchymal disruption involving 25-75% hepatic lobe or involves 1-3 Couinaud segments. vascular injury with active bleeding breaching the liver parenchyma into the peritoneum.
What is a grade 4 injury?
Grade 4: Laceration involving the collecting system with urinary extravasation; any segmental renal vascular injury; renal infarction; renal pelvis laceration and/or ureteropelvic disruption.
What is hepatotoxicity grade1?
Grading Toxicity: ULN Grade 1 (Mild) Grade 2 (Moderate) Grade 3 (Severe) Grade 4 (Potentially Life-Threatening)
How long does it take for grade 4 liver laceration to heal?
The spleen and liver are the 2 most commonly injured organs in blunt abdominal trauma, with splenic injuries leading the way….Table 2.
| Grade of Liver Injury | Type of Liver Injury | Healing Time (Days) |
|---|---|---|
| IV | Laceration | 78 |
What is a Grade 4 kidney laceration?
Grade 4: Laceration involving the collecting system with urine leakage, injury to blood vessels going into the kidney, or injury to the kidney pelvis where the urine funnels into the ureter This grade laceration will likely require a surgical procedure depending on nature of injury.
What is a grade 3 splenic laceration?
Grade 3 is hematoma of more than 50% of the subcapsular surface area or if the hematoma is known to be expanding over time, if the hematoma has ruptured, intraparenchymal hematoma either more than 5 cm or known to be expanding, or capsule laceration more than 3 cm in depth and/or involving a trabecular blood vessel.
What is a Grade 1 injury mean?
Grade 1: Mild damage to individual muscle fibers (less than 5% of fibers) that causes minimal loss of strength and motion. Grade 2: More extensive damage with more muscle fibers involved. However, the muscle is not completely ruptured. These injuries present with significant loss of strength and motion.
What is the AAST hepatic injury scale?
The Organ Injury Scaling Committee of the AAST recently published a consensus classification of splenic, hepatic, and renal injuries (J Trauma, 29:1664, 1989). The hepatic injury scale (HIS), based on parenchymal laceration and intrahepatic hematoma, includes grades 1 to 6, representing the least to most severe injury.
What are the grades of liver injuries?
More than one grade of liver injury may be present and should be classified by the higher grade of injury. Advance one grade for multiple injuries up to grade III. *Advance one grade for multiple injuries up to grade III.
What is The 6-item liver laceration grading scale?
This is a 6-item liver laceration grading scale based on the guidelines of the American Association for the Surgery of Trauma. This offers information about the severity of liver trauma, in terms of hematomas and lacerations.
What is the AAST’s consensus classification of injuries?
1 Department of Surgery, University of Tennessee, Memphis 38163. The Organ Injury Scaling Committee of the AAST recently published a consensus classification of splenic, hepatic, and renal injuries (J Trauma, 29:1664, 1989).