Revalidation of Proactive Gastrostomy Tube Placement Guidelines for Head and Neck Cancer Patients Receiving Helical...

Area of Science:

• Oncology
• Radiotherapy
• Nutrition Support

Background:

• The Royal Brisbane and Women's Hospital (RBWH) developed Swallowing and Nutrition Management Guidelines for Head and Neck Cancer patients.
• Guidelines facilitate evidence-based decisions by the Head and Neck Multidisciplinary Team (H&N MDT) for enteral nutrition support.
• The study aimed to revalidate these guidelines in patients receiving helical intensity-modulated radiotherapy (H-IMRT).

Purpose of the Study:

• To revalidate the RBWH Swallowing and Nutrition Management Guidelines.
• To assess guideline performance in patients treated with H-IMRT compared to a historical cohort receiving 3D-conformal radiotherapy.
• To evaluate adherence, gastrostomy tube use, and nutritional outcomes.

Main Methods:

• A cohort of 315 patients attending the RBWH H&N MDT between 2013-2014 were assessed using the guidelines.
• High-risk patients were recommended proactive gastrostomy tube placement.
• Data on guideline adherence, gastrostomy insertions, enteral tube duration, and weight change were collected. Sensitivity, specificity, and predictive values were calculated.

Main Results:

• Overall guideline adherence was 84% (60% high-risk, 96% low-risk).
• Seventy patients underwent proactive gastrostomy tube placement (62 high-risk, 8 low-risk).
• Validation showed sensitivity of 73% and specificity of 86% in the H-IMRT cohort, comparable to historical data.

Conclusions:

• The RBWH Swallowing and Nutrition Management Guidelines demonstrated high sensitivity and specificity, remaining valid for patients treated with H-IMRT.
• Further research is recommended to enhance sensitivity and address the observed decrease in specificity for continuous guideline improvement.
• The guidelines support effective decision-making for enteral nutrition in head and neck cancer patients undergoing modern radiotherapy techniques.