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The following information was provided by … The following information was provided by the Wisconsin Department of Health Services (the Department) via email:</br>On August 9, 2023, the Department was notified by the licensee of a yttrium-90 (Y-90) TheraSphere medical event that had occurred on July 13, 2023. The licensee's radiation safety officer performed a records review on August 2, 2023, and identified a written directive indicating a potential underdose to the patient. After confirming that the documentation was correct on August 8, 2023, the licensee determined that a reportable event had occurred.</br>The prescribed activity to the patient was 1.07 GBq. The licensee initially calculated a delivered activity of .86 GBq based on pre- and post-administration surveys. The radiation safety officer was not able to replicate this calculation and determined that the delivered activity was approximately .781 GBq. This is a delivered activity of 72.99 percent. Utilizing the TheraSphere worksheet, the licensee calculated that the patient received 73.4 percent of the prescribed dose.</br>The licensee will be notifying the patient. There is no anticipated harm to the patient, or exposure to any additional individuals.</br>Event Report ID No.: WI230006</br>A Medical Event may indicate potential problems in a medical facility's use of radioactive materials. It does not necessarily result in harm to the patient.necessarily result in harm to the patient. +
05:00:00, 13 July 2023 +
56,669 +
11:38:00, 9 August 2023 +
05:00:00, 13 July 2023 +
The following information was provided by … The following information was provided by the Wisconsin Department of Health Services (the Department) via email:</br>On August 9, 2023, the Department was notified by the licensee of a yttrium-90 (Y-90) TheraSphere medical event that had occurred on July 13, 2023. The licensee's radiation safety officer performed a records review on August 2, 2023, and identified a written directive indicating a potential underdose to the patient. After confirming that the documentation was correct on August 8, 2023, the licensee determined that a reportable event had occurred.</br>The prescribed activity to the patient was 1.07 GBq. The licensee initially calculated a delivered activity of .86 GBq based on pre- and post-administration surveys. The radiation safety officer was not able to replicate this calculation and determined that the delivered activity was approximately .781 GBq. This is a delivered activity of 72.99 percent. Utilizing the TheraSphere worksheet, the licensee calculated that the patient received 73.4 percent of the prescribed dose.</br>The licensee will be notifying the patient. There is no anticipated harm to the patient, or exposure to any additional individuals.</br>Event Report ID No.: WI230006</br>A Medical Event may indicate potential problems in a medical facility's use of radioactive materials. It does not necessarily result in harm to the patient.necessarily result in harm to the patient. +
Has query"Has query" is a predefined property that represents meta information (in form of a <a rel="nofollow" class="external text" href="https://www.semantic-mediawiki.org/wiki/Subobject">subobject</a>) about individual queries and is provided by <a rel="nofollow" class="external text" href="https://www.semantic-mediawiki.org/wiki/Help:Special_properties">Semantic MediaWiki</a>.
00:00:00, 9 August 2023 +
117-1022-01 +
Modification date"Modification date" is a predefined property that corresponds to the date of the last modification of a subject and is provided by <a rel="nofollow" class="external text" href="https://www.semantic-mediawiki.org/wiki/Help:Special_properties">Semantic MediaWiki</a>.
11:30:05, 17 August 2023 +
11:38:00, 9 August 2023 +
27.276 d (654.63 hours, 3.897 weeks, 0.897 months) +
05:00:00, 13 July 2023 +
Underdose + and TheraSphere +
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