Mind the gap—the use of sodium fluoresceine for resection of brain metastases to improve the resection rate - Scorecard - MDSpire

Mind the gap—the use of sodium fluoresceine for resection of brain metastases to improve the resection rate

  • By

  • Johannes Kerschbaumer

  • Matthias Demetz

  • Aleksandrs Krigers

  • Daniel Pinggera

  • Antonio Spinello

  • Claudius Thomé

  • Christian F. Freyschlag

  • November 11, 2022

  • 0 min

Share

Clinical Scorecard: Bridging the Divide: Enhancing Brain Metastasis Resection Rates with Sodium Fluorescein Utilization

At a Glance

CategoryDetail
ConditionBrain metastases (BM)
Key MechanismsSodium fluorescein highlights disrupted blood–brain barrier in contrast-enhancing lesions to guide fluorescence-assisted surgical resection
Target PopulationPatients undergoing surgical resection of brain metastases
Care SettingNeurosurgical operating room with fluorescence-guided surgery capability

Key Highlights

  • Brain metastases are the most frequent intracranial tumors with significant impact on quality of life.
  • Sodium fluorescein facilitates visualization of tumor margins by staining areas of blood–brain barrier disruption, aiding extent of resection (EOR).
  • Complete tumor resection correlates with prolonged overall survival and improved neurological outcomes.

Guideline-Based Recommendations

Diagnosis

  • Use preoperative contrast-enhanced MRI to identify brain metastases and plan surgery.
  • Perform early postoperative MRI within 48 hours to assess extent of resection.

Management

  • Consider surgical resection especially for larger lesions with mass effect and limited number of brain metastases.
  • Utilize sodium fluorescein with a 560 nm filter during surgery to enhance tumor visualization and maximize resection.
  • Apply fluorescence-guided surgery adjunctively to improve extent of resection without increasing neurological damage.

Monitoring & Follow-up

  • Assess neurological status and Karnofsky Performance Score pre- and postoperatively.
  • Monitor for cerebral and systemic progression using follow-up imaging per RANO criteria.

Risks

  • Surgical resection is generally safe with low incidence of postoperative neurological decline.
  • No increase in postoperative neurological damage reported with sodium fluorescein use.

Patient & Prescribing Data

79 patients undergoing brain metastasis resection; median age 63 years; 67% received sodium fluorescein-guided surgery.

Sodium fluorescein use was associated with improved visualization of tumor margins, potentially increasing extent of resection and correlating with better postoperative outcomes.

Clinical Best Practices

  • Obtain informed consent specifically addressing the use of sodium fluorescein and fluorescence-guided surgery.
  • Use a surgical microscope equipped with a 560 nm filter to visualize fluorescein fluorescence intraoperatively.
  • Perform volumetric analysis of tumor pre- and postoperatively to objectively assess extent of resection.
  • Incorporate intraoperative tools such as monitoring, mapping, and stimulation alongside fluorescein to preserve neurological function.
  • Evaluate surgeon’s estimated extent of resection against early postoperative MRI to identify residual tumor.

References

Original Source(s)

Related Content