Complex sentence: While a 2005 review found tentative evidence of benefit from tympanostomy tubes for improvement in the unsteadiness associated with the disease, a 2014 review concluded that they are not supported.
Split into simpler sentences: While a 2005 review found tentative evidence of benefit from tympanostomy tubes for improvement in the unsteadiness associated with the disease. A 2014 review concluded that they are not supported.