1.   They had to perform a tracheotomy throat operation to aid his breathing.

2.   She was rushed to Northampton General Hospital where she underwent several hours of surgery, including a tracheotomy operation.

3.   He developed kidney problems, underwent frequent dialysis treatment and a tracheotomy operation, and for a while breathed with the aid of a respirator.

4.   He developed kidney problems and has since had to have a tracheotomy operation and breathe with the aid of a respirator.