Mechanical or prosthetic device required |
No |
Yes |
Yes |
Hand occupied during voicing |
No |
Yes/no, some patients are able to use an automatic speaking valve |
Yes |
Dependence on speech language pathologist (SLP) |
Yes, nowadays fewer SLP’s have knowledge of providing ES therapy |
Yes, knowledge of voice prosthesis equipment and TES rehabilitation is required |
Yes |
Duration of the therapeutic process to functional speech |
Training time, mostly concerns several months |
Useful speech is mostly achieved within five training sessions |
Useful speech is mostly achieved within five training sessions |
Financial implications |
No material costs. More therapeutic costs during often prolonged training period |
Material costs, higher than ES and ELS. Potential reimbursement issues. Lower therapeutic costs that ES, comparable to ELS |
Material costs, lower than TES. Lower therapeutic costs that ES, comparable to TES |
Overall success achieving useable speech |
Low success rate |
High success rate |
High success rate |