Does varicocele repair improve male infertility?
Our RCT provided level 1b evidence of the superiority of varicocelectomy over observation in infertile men with palpable varicoceles and impaired semen quality, with increased odds of spontaneous pregnancy and improvements in semen characteristics within 1-yr of follow-up.
These data support previous studies indicating an accelerated acquisition of speech and language abilities in stroke patients receiving traditional speech therapy in combination with d-amphetamine. Data, however, are preliminary and further study is warranted.