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Practical limitations of interstitial thermometry during deep hyperthermia
J van der Zee1, J N Peer-Valstar, P J Rietveld
1Department of Radiation Oncology, University Hospital Rotterdam/Daniel den Hoed Cancer Center, The Netherlands.
Summary
Interstitial thermometry during hyperthermia treatment for deep-seated tumors poses significant risks and offers limited clinical benefits. This study found that the severe complications and minimal value of interstitial thermometry do not routinely benefit patients.
Area of Science:
- Oncology
- Medical Physics
- Clinical Research
Background:
- Intratumor thermometry is crucial for optimizing hyperthermia cancer treatment.
- Interstitial catheter placement for thermometry in deep-seated tumors has been associated with morbidity.
Purpose of the Study:
- To evaluate the feasibility and clinical value of intratumor thermometry during hyperthermia treatment.
- To assess the impact of interstitial thermometry on the treatment procedure and patient outcomes.
Main Methods:
- Analysis of thermometry data from 215 patients undergoing hyperthermia for deep-seated tumors.
- Evaluation of complications and clinical utility of interstitially placed thermometry catheters.
Main Results:
- Interstitial catheters were placed in 78 patients, with a decrease in usage over time.
- Severe complications, including one fatality, were linked to interstitial catheters.
- The clinical value of interstitial thermometry for optimizing temperature distribution and preventing toxicity was limited, especially in large tumors.
Conclusions:
- Interstitially placed thermometry catheters are associated with severe complications.
- The clinical value derived from interstitial thermometry is limited.
- Routine use of interstitial thermometry does not routinely benefit individual patients undergoing hyperthermia treatment.