1999
DOI: 10.1016/s0015-0282(99)00055-2
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P-19 Double follicular aspiration can save an IVF cycle after improper administration of hCG

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Cited by 3 publications
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“…We found no evidence of any relationship between follicular antioxidant activity and the presence of oocytes in follicular uid, both with baseline TAC and antioxidant consumption (two-point assay). The factors responsible for non-recovery of oocytes from follicles are not clear but there is some evidence that this may be related to oocyte immaturity, possibly secondary to low HCG levels, an underlying ovulatory disorder or premature oocyte atresia (Awonuga et al, 1998;Esposito and Patrizio, 2000). It is therefore of interest that levels of glutathione, which is thought to be the main non-enzymatic defence system against the effects of oxygen radicals on oocytes and embryos (Takahashi et al, 1993;Gardiner et al, 1998), are higher in mature compared with immature hamster oocytes (Gwatkin and Haidri, 1974;Perreault et al, 1988).…”
Section: Discussionmentioning
confidence: 99%
“…We found no evidence of any relationship between follicular antioxidant activity and the presence of oocytes in follicular uid, both with baseline TAC and antioxidant consumption (two-point assay). The factors responsible for non-recovery of oocytes from follicles are not clear but there is some evidence that this may be related to oocyte immaturity, possibly secondary to low HCG levels, an underlying ovulatory disorder or premature oocyte atresia (Awonuga et al, 1998;Esposito and Patrizio, 2000). It is therefore of interest that levels of glutathione, which is thought to be the main non-enzymatic defence system against the effects of oxygen radicals on oocytes and embryos (Takahashi et al, 1993;Gardiner et al, 1998), are higher in mature compared with immature hamster oocytes (Gwatkin and Haidri, 1974;Perreault et al, 1988).…”
Section: Discussionmentioning
confidence: 99%
“…Since in most EFS cases, down-regulation was achieved by GnRH agonist (possibly presenting the higher prevalence of agonist over antagonist in ART cycles), shifting from an agonist to antagonist protocol was suggested (Krishna et al, 2008). In cases where no oocytes are aspirated from one ovary and hCG levels are low, some have suggested readministering hCG from a different batch and aspirating the second ovary (Khalaf and Braude, 1997;Ndukwe et al, 1997;Awonuga et al, 1998;Quintans et al, 1998;Evbuomwan et al, 1999;Esposito and Patrizio, 2000;Papier et al, 2000;Reichman et al, 2010) or even reaspirating the same follicles (Meniru and Craft, 1997;Hassan et al, 1998;Snaifer et al, 2008). Others suggested changing the hCG from a urinary to a recombinant preparation (Peñarrubia et al, 1999).…”
Section: Therapeutic Approachmentioning
confidence: 99%
“…Zegers-Hochschild et al (8) described a series of 6 consecutive EFS cases within a 48 hour period caused by accelerated metabolism and clearance of a pharmaceutical preparation of hCG. In addition, other reports have described patient and provider errors in administration of hCG during ART (4, 10–11). Common mistakes include failure to give the injection, improper timing of the injection, or improper re-suspension of hCG solute into solution.…”
Section: Introductionmentioning
confidence: 99%