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Related Concept Videos

Healing II: Complications01:24

Healing II: Complications

Complications during healing arise when tissue repair is altered by local or systemic factors. These changes involve abnormal collagen deposition, altered biomechanics, and reduced vascular supply, impairing restoration of normal structure and function.Loss of FunctionScar tissue differs significantly from the original tissue it replaces. In the skin, fibrosis lacks adnexal structures such as hair follicles, sebaceous glands, and sweat glands. Their absence reduces tactile sensitivity, impairs...

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Related Experiment Video

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Thermal Ablation for the Treatment of Abdominal Tumors
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Complication avoidance in laser interstitial thermal therapy: lessons learned.

Rachel Pruitt1, Alexander Gamble2, Karen Black1,3

  • 1Hofstra Northwell School of Medicine, Hempstead; and.

Journal of Neurosurgery
|June 4, 2016
PubMed
Summary
This summary is machine-generated.

Laser interstitial thermal therapy (LITT) complications are underreported. Modifications to technique, including frame-based placement and optimized thermal dosing, reduce adverse events and improve outcomes in neurosurgery.

Keywords:
CTA = CT angiographyHIFU = high-intensity focused ultrasoundLITTLITT = laser interstitial thermal therapyPAD = precision aiming deviceSRS = stereotactic radiosurgeryiMRI = intraoperative MRIlaser interstitial thermal therapyminimally invasive neurosurgerysurgical technique

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Area of Science:

  • Neurosurgery
  • Minimally Invasive Procedures
  • Thermal Ablation

Background:

  • Complications associated with laser interstitial thermal therapy (LITT) are not fully documented.
  • Technique modifications are crucial for mitigating adverse events in LITT procedures.

Purpose of the Study:

  • To report complications encountered during LITT procedures.
  • To describe technique modifications implemented to reduce adverse events.
  • To evaluate the safety and efficacy of LITT in various neurosurgical applications.

Main Methods:

  • Utilized the Medtronic Visualase system for 49 LITT procedures in 46 patients.
  • Employed various imaging guidance techniques including frameless stereotaxy and intraoperative MRI (iMRI).
  • Monitored MRI thermometry during LITT for conditions such as brain tumors, epilepsy, and hypothalamic hamartomas.

Main Results:

  • 11 (22.4%) of 49 procedures experienced adverse events, including catheter malpositions, hemorrhages, and neurological deficits.
  • Direct thermal injury was the sole cause of prolonged neurological morbidity (3/49 procedures).
  • Frameless stereotaxy and increased device numbers correlated with higher complication rates (p < 0.05).

Conclusions:

  • LITT is a versatile tool for neurosurgical interventions including tumors and epilepsy.
  • Procedural modifications enhance safety and reduce complications, with permanent neurological morbidity being infrequent.
  • Institutional experience highlights measures to optimize outcomes with LITT.