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  • Title: Computer-assisted assessment of the variations of sperm kinetics after semen treatment with Pellet Swim-up (PSu), and with centrifugation on a discontinuous Percoll gradient at reduced volumes (mini-CDPG).
    Author: Cimino C, Benigno MA, Cassarà G, Ruvolo G, Bajamonte M, Mangione D, Catalano G, Cittadini E.
    Journal: Acta Eur Fertil; 1994; 25(5):283-9. PubMed ID: 7660715.
    Abstract:
    The semen of the male partners of 37 infertile couples was analyzed with the use of the HTM-S Motility Analyzer (HTM-S MA). For each sample it was thus possible to assess the Total Concentration (TC), the Motile Cell Population Concentration (MCPC), the Progressive Cell Population Concentration (PCPC), the Average Path Velocity (VAP), the Straight Line Velocity (VSL), the Curvilinear Velocity (VCL), the Straightness (STR), the Linearity (LIN), the Lateral Head Displacement (ALH) and the Head Size (HS). The same parameters were then measured on the same semen after treatment with the Pellet Swim-up (PSu) and following Centrifugation on reduced-volume Discontinuous Percoll gradient (mini-CDPG). There was a significant difference in the TC (51.63 M/ml +/- 43.99 in the untreated ejaculate, 11.48 M/ml +/- 9.66 after PSu, 7.94 M/ml +/- 7.3 after mini-CDPG; chi r2 = 50.392, p < 0.05), in the MCPC (20.95 M/ml +/- 26.29 in the untreated ejaculate, 3.79 M/ml +/- 4.26 after PSu, and 2.74 M/ml +/- 3.73 after mini-CDPG; chi r2 = 33.55, p < 0.05), and in the PCPC (7.8 M/ml +/- 12.87 in the untreated ejaculate, 1.81 M/ml +/- 2.36 after PSu, and 1.28 M/ml +/- 1.73 after min-CDPG; chi r2 = 6.38; p < 0.05). The overall comparison between the couples showed a significant difference in the MCPC after PSu and after mini-CDPG (z = -2.09, p < 0.05) whereas no significant difference was found in the comparison off the results of either the TC after PSu and after mini-CDPG (z = -1.9; NS), or of the PCPC after PSu and after mini-CDPG (z = -1.68; NS).(ABSTRACT TRUNCATED AT 250 WORDS)
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