Clanak o protokolu za bolju kvalitetu embrija
Izisao je clanak o protokolu stimulacije koji postize stopu uspjesnosti "ongoing gestation" (znaci ne postotak trudnoce, koji je oko 40%, nego kad srce zakuca) od 27% kod zena koje imaju losu prognozu uspjeha. Uzorak je dosta velik, 137 zena, podaci prikupljani tokom 4 godine. Nijedna zena nije imala dobar embrij u prijasnjim pokusajima - manje od 7 stanica 3. dan ili vise od 20% fragmentacije. Svima im je prvi doktor savjetovao donirane jajne stanice. Ovo je jedan od rijetkih clanaka koji diskutira nesto sto pomaze losoj kvaliteti embrija, sto se inace tretira kao nesto cemu nema pomoci.
Napominjem da izgleda da nema tipicnih PCOS pacijentica u ovoj grupi jer je doza stimulacije vrlo velika, a broj embrija dosta mali, i nema nijednog slucaja hiperstimulacije usprkos velikoj dozi lijekova.
Mogu poslati cijeli clanak svakom tko mi posalje upit na pp, ako nemate pristup Fertility and Sterility.
Prosudite sami:
Citiraj:
1: Fertil Steril. 2007 Jun 9; [Epub ahead of print]
Gonadotropin-releasing hormone agonist/antagonist conversion with estrogen priming in low responders with prior in vitro fertilization failure.
Fisch JD, Keskintepe L, Sher G.
Sher Institute for Reproductive Medicine, Las Vegas.
OBJECTIVE: To evaluate gonadotropin-releasing hormone (GnRH) agonist/antagonist conversion with estrogen priming (AACEP) in low responders with prior IVF failure. DESIGN: Descriptive. SETTING: Private practice. PATIENT(S): Women aged </=42 with prior IVF attempts in which all embryos were <7 cells or >20% fragmentation on day 3 (n = 137; <38: n = 63; 38-42: n = 74). In addition to unexplained poor response to stimulation (n = 52), diagnoses included elevated follicle-stimulating hormone (FSH >9.0 mIU/mL; n = 40), advanced age (>41 years; n = 26), endometriosis (III-IV; n = 12), and decreased ovarian reserve (AFC <5; n = 7). INTERVENTION(S): Patients received sequential GnRH agonist, low-dose GnRH antagonist, and estradiol valerate followed by recombinant FSH, 600 IU/day (n = 72) or 750 IU/day (n = 65). MAIN OUTCOME MEASURE(S): Pregnancy, ongoing gestation, implantation rates. RESULT(S): Although women aged <38 years and those on 600 IU/day produced more mature eggs and fertilized embryos than women aged 38 to 42 years, there were no differences in peak estradiol, endometrial lining, or embryos transferred. Outcomes were similar for all patients regardless of age or FSH dosage. Ongoing gestation rates were 27% (37 out of 137) for all patients, 25% (16 out of 63) for age <38 years, and 28% (21 out of 74) for ages 38 to 42 years. CONCLUSION(S): Women aged </=42 years who are candidates for oocyte donation may still achieve pregnancy using their own eggs with the AACEP protocol.