An observation-first strategy for liver injuries with "blush" on computed tomography is safe and effective

High-grade liver injuries with contrast extravasation managed initially with interventional radiology versus observation: A secondary analysis of a WTA multicenter study

BACKGROUND

High-grade liver injuries with extravasation (HGLI ​+ ​Extrav) are associated with morbidity/mortality. For low-grade injuries, an observation (OBS) first-strategy is beneficial over initial angiography (IR), however, it is unclear if OBS is safe for HGLI ​+ ​Extrav. Therefore, we evaluated the management of HGLI ​+ ​Extrav patients, hypothesizing IR patients will have decreased rates of operation and mortality.

METHODS

HGLI ​+ ​Extrav patients managed with initial OBS or IR were included. The primary outcome was need for operation. Secondary outcomes included liver-related complications (LRCs) and mortality.

RESULTS

From 59 patients, 23 (39.0%) were managed with OBS and 36 (61.0%) with IR. 75% of IR patients underwent angioembolization, whereas 13% of OBS patients underwent any IR, all undergoing angioembolization. IR patients had an increased rate of operation (13.9% vs. 0%, p ​= ​0.049), but no difference in LRCs (44.4% vs. 43.5%) or mortality (5.6% vs. 8.7%) versus OBS patients (both p ​> ​0.05).

CONCLUSION

Over 60% of patients were managed with IR initially. IR patients had an increased rate of operation yet similar rates of LRCs and mortality, suggesting initial OBS reasonable in appropriately selected HGLI ​+ ​Extrav patients.

Blunt abdominal trauma: watch and wait

PURPOSE OF REVIEW

This review examines recent advancements in nonoperative management (NOM) of hemodynamically stable blunt abdominal trauma, focusing on expanding patient selection for observation-first strategies, particularly for high-grade solid organ injuries.

RECENT FINDINGS

Advances include a more deliberate nonoperative approach, allowing for broader patient inclusion in diagnostic and interventional angiography. Strict clinical monitoring and appropriate follow-up strategies are crucial to identify early signs of clinical progression and complications. Repeated contrast-enhanced CT (CECT) scan can be used for close observation of high-risk injuries, while the repetition of CECTs may be avoided for lower-risk cases, such as specific high-grade kidney injuries. The role of contrast-enhanced ultrasound (CEUS) in detecting sequelae of nonoperative approaches is still debated and has lot of potential, with ongoing trials exploring possible advantages.

SUMMARY

Multidisciplinary trauma teams play a crucial role in nonoperative management, particularly for high-grade injuries. A careful selection of patients is essential to minimize failure rates. Complications of nonoperative and angiographic approaches should be managed according to local expertise.

Multicenter Study of Perioperative Hepatic Angioembolization as an Adjunct for Management of Major Operative Hepatic Trauma

BACKGROUND

The management of major liver trauma continues to evolve in trauma centers across the US with increasing use of minimally invasive techniques. Data on the outcomes of these procedures remain minimal. The objective of this study was to evaluate patient complications after perioperative hepatic angioembolization as an adjunct to management of major operative liver trauma.

STUDY DESIGN

A retrospective multi-institutional study was performed at 13 level 1 and level 2 trauma centers from 2012 to 2021. Adult patients with major liver trauma (grade 3 and higher) requiring operative management were enrolled. Patients were divided into 2 groups: angioembolization (AE) and no angioembolization (NO AE). Univariate and multivariate analyses were performed.

RESULTS

A total of 442 patients were included with AE performed in 20.4% (n = 90 of 442) of patients. The AE group was associated with higher rates of biloma formation (p = 0.0007), intra-abdominal abscess (p = 0.04), pneumonia (p = 0.006), deep vein thrombosis (p = 0.0004), acute renal failure (p = 0.004), and acute respiratory distress syndrome (p = 0.0003), and it had longer ICU and hospital length of stay (p < 0.0001). On multivariate analysis, the AE had a significantly higher amount intra-abdominal abscess formation (odds ratio 1.9, 95% CI 1.01 to 3.6, p = 0.05).

CONCLUSIONS

This is one of the first multicenter studies comparing AE in specifically operative high-grade liver injuries and found that patients with liver injury that undergo AE in addition to surgery have higher rates of both intra- and extra-abdominal complications. This provides important information that can guide clinical management.