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Published on: August 4, 2013
Noninvasive evaluation of testicular function by measuring oxygen saturation of scrotal-testicular tissue
Shuhei So1, Hiroshi Masuda2, Naoaki Tamura3
1Department of Reproductive and Perinatal Medicine, Hamamatsu University School of Medicine, 1-20-1 Handayama, Higashi-ku, Hamamatsu-shi, Shizuoka, 431-3192, Japan; Tawara IVF Clinic, 2-20, Izumi-cho, Suruga-ku Shizuoka-shi, Shizuoka, 422-8066, Japan.
Abstract:
We conducted a single-center cross-sectional study to determine whether scrotal-testicular tissue oxygen saturation (S-T StO2) measured by finger-mounted near-infrared spectroscopy is useful for the evaluation of testicular function. S-T StO2 was significantly higher in patients with nonobstructive azoospermia (NOA, p< 0.05), and showed a positive correlation with luteinizing hormone levels (LH) even in participants without NOA (r = 0.34, p< 0.05), suggesting that elevated S-T StO2 is associated with a reduction in testicular function.
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