The impact of coexisting sperm DNA fragmentation and seminal oxidative stress on the outcome of varicocelectomy in infertile patients: A prospective controlled study.

Contrary to the previously mentioned recent studies and the present study, there was an earlier study carried out on 37 men who underwent microsurgical varicocelectomy, in which the authors reported a significant reduction in SDF, but the improvement in sperm concentration, motility and morphology after varicocele repair did not reach statistical significance [48] .

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Results The mean (SD) DFI% in the 60 infertile patients with varicocele was 29.9 (8.3) and 7.56 (2.84)% in the controls; ROS levels were 4.49 (0.9) in patients and 2.62 (0.8) photons/min in controls; and the TAC was 0.97 (0.4) in patients and 1.5 (0.5) mM in controls; with highly significant differences between the patients and controls.

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