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There is likely some person receiving radiotherapy while being intubated at any given day/week in the US (think Pediatric RT), and so I would think there is adequate experience in handling intubated patients, albeit concentrated in larger tertiary hospital sites. The concern for treating mechanically ventilated patient is very reasonable but moot, as one can start the trial with unvented pts with primary endpoint of freedom of progression to vent. I absolutely agree that trying to treat ventilated patients at the start would be too challenging, and I, as a proponent of this trial, would add that it may be a different pathophysiology that I am unsure LD IR can deal with. By that point, the lung has so much exudative gunk the mechanism of recovery is to clear up the gunk. And I don't know of any data that shows RT can accelerate clearance of such gunk. Best is a "preVent" trial, as Minesh M. implied.
The resistance to such trial appears to be more logistical rather than scientific. I'm hopeful that the brilliant minds are assessing the feasibility of the logistics. Certainly if it is not feasible and safe, such trial should not be pursued. But lets just say it is deemed feasible, would you naysayers be open to such trial?
And one thing the trialists should consider is using mobile CT scanners in additional to linacs..
Agree with you on many points
Big difference bw Peds intubation is that is a controlled and planned event for RT
COVID pts are being intubated to prevent death soon
i have many more thoughts on fixing practicality but I’m not part of the trial