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Radiation Planning Assistant - A Streamlined, Fully Automated Radiotherapy Treatment Planning System

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TomoTherapy: implications on daily workload and scheduling patients.

Paul Bijdekerke¹, Dirk Verellen, Koen Tournel

¹Department of Radiotherapy, Oncologisch Centrum, Universitair Ziekenhuis Brussel, Belgium. paul.bijdekerke@uzbrussel.de

Radiotherapy and Oncology : Journal of the European Society for Therapeutic Radiology and Oncology

|November 27, 2007

Summary

TomoTherapy treatments average 25 minutes, but equipment malfunctions cause delays in 4.1% of cases. These interruptions impact patient scheduling and daily workload, despite no learning curve observed over time.

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Area of Science:

Medical Physics
Radiation Oncology

Background:

TomoTherapy is an advanced radiation therapy technique.
Accurate treatment time measurement is crucial for efficient patient scheduling and resource management in radiation oncology.

Purpose of the Study:

To measure the mean duration of TomoTherapy treatments.
To identify factors causing significant deviations in treatment time.

Main Methods:

Time measurements were conducted on 72 patients initially and 27 patients one year later.
Treatment intervals and causes of extended treatment times were analyzed.
All patients underwent a MV-CT scan before treatment.

Main Results:

Mean treatment time per localization ranged from 21.3 to 27.4 minutes.
Equipment malfunction was the primary cause of extended treatment times, observed in 4.1% of patients.
No significant difference in treatment times was found between initial measurements and those taken one year later, indicating no learning curve effect.

Conclusions:

TomoTherapy treatments average approximately 25 minutes, allowing for about 19 patients in an 8-hour workday.
Occasional treatment interruptions, mainly due to equipment issues, significantly impact daily patient scheduling and workload.
Variations in treatment time necessitate flexible scheduling and robust equipment maintenance protocols.