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  • 1
    Electronic Resource
    Electronic Resource
    Effects of general anaesthesia vs. sedation on fertilization, cleavage and pregnancy rates in an IVF program (1999)
    Springer
    Archives of gynecology and obstetrics 263 (1999), S. 56-59 
    Details
    ISSN: 1432-0711
    Keywords: Key words IVF ; Sedation ; General anaesthesia ; Remifentanil
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract  Anaesthetic management for oocyte retrieval may interfere with the results and success rate of an in vitro fertilization (IVF) program. This study was conducted to compare the effects of two different anaesthetic techniques (general anaesthesia versus sedation) used for oocyte retrieval on IVF outcome. For general anaesthesia we used a combination of remifentanil (UltivaTM) with either propofol or isoflurane in hypnotic concentrations. For sedation the protocol included midazolam, diazepam or propofol according to clinical needs. In total, 202 women were enrolled in the study. 96 women opted for sedation and 106 for general anaesthesia. The number of collected oocytes was significantly higher with general anaesthesia (10.54±5.43 [mean±SD]) than with sedation (6.25±3.65, p〈0.0001), whereas the number of fertilized oocytes was not different (4.70±3.57 vs. 4.23±2.90). There were no significant differences in cleavage and pregnancy rates. We therefore believe that remifentanil-based general anaesthesia without nitrous oxide is a suitable alternative to sedation and may be recommended for IVF oocyte retrieval if general anaesthesia is requested.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s004040050263
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Sperm count in ejaculates and after sperm selection with discontinous percoll gradient centrifugation technique, as a prognostic index of IVF outcome (1997)
    Springer
    Archives of gynecology and obstetrics 259 (1997), S. 125-131 
    Details
    ISSN: 1432-0711
    Keywords: Key words: Sperm density before/after selection ; In-vitro fertilization ; Discontinous percoll gradient centrifugation ; Pregnancy
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract. Success of IVF with low sperm count will depend on the retrieval of the maximum number of normal motile sperms, and this makes the selection of an appropriate technique critical. Various in vitro methods have been developed for selecting human sperm cells. Sperm selection using percoll gradient has been reported to yield upto 60% motile and morphologically normal spermatozoa from a normal semen sample. In this study, we have attempted to determine a possible relationship between sperm count in ejaculates before and after selection with percoll gradient centrifugation on one hand, and fertilization, cleavage and pregnancy rates in an IVF program on the other. With increased sperm count at the time of IVF treatment using selected sperm, we observed higher fertilization, cleavage and gestation rates. In conclusion, sperm concentration before and after selection with percoll may be considered a prognostic parameter for the determination of fertilization potential and pregnancy rates in an IVF program.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s004040050146
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
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