Editor,—We would like to bring to attention a complication of percutaneous endoscopic gastrostomy (PEG) that presented in two patients in one afternoon. Both patients were male, and they had both had a Fresenius PEG tube placed two years previously. One patient was 88 years old with a history of stroke who, although fully alert, was unable to swallow safely. The PEG had allowed him to be cared for in his own home. The second case was that of a young man who had developed subacute sclerosing panencephalitis in 1985 following measles infection at the age of 13. His general condition was gradually deteriorating, and he was being looked after in his own home by his family …