what is the role of hysteroscopy for the management of women undergoing ivf?
TRANSCRIPT
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What is the role of hysteroscopy for the management of women
undergoing IVF?
Ulun ULUG, M.D.
Assoc. Professor of Ob/Gyn
Bahceci IVF Centers
Istanbul, Turkey
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Why all the embryos transferred to uterine cavity do not implant ?Human reproduction is NOT efficientThe implantation rates vary between 25 to 50% among the most
established IVF centers 1) The embryo itself does not have enough morphologic or genetic quality2) Endometrial receptivity has reduced capacity for the implantation process3) Both
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Our current scope of infertility treatment
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Reduced endometrial receptivity
Altered hormonal environment caused by ovarian stimulation for harvesting oocytes
Missmatch of window of implantation during embryo transferDifficult embryo transferMorphologic problems related to uterine cavityUnknown ?
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Morphologic problems related to uterine cavity
CongenitalBenign Acquired
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Congenital abnormalities of Uterine Cavity
• Bicornuate uterus• Unicornuate uterus• Didelphys uterus• Septate uterus• Arcuate uterus
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Benign conditions of uterine cavity
Submucous fibroidsPolyps
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Acquired problems related to uterine cavity
EndometritisSynechiaThin endometriumAdenomyosis ?
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Assessment of endometrial receptivityHistoryTransvaginal ultrasonographySaline infusion sonographyHSGMRHysteroscopyBiopsy (endometrial receptivity assay)
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Up to date, there is no adeqaute test with 100% sensitivity for the measurement of endometrial receptivity
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The accuracy of HSG in assessment of the uterine cavity in infertile patients has been reported to be rather disappointing. The sensitivity and specificity are described to be 79%- 98% and 15% - 82% (Gaglione et al, Golan et al)
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Hysteroscopy is the gold standard test for assesing uterine cavity (Pundir and El Toukhy)
It is generally performed as a definitive diagnostic tool to evaluate abnormal findings on HSG or saline HS performed during the course of investigation of subfertile women (Ayıda et al)
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• Hysteroscopy should not be considered as a routine investigation in the infertile couple (RCOG)
• Hysteroscopy should be reserved for further evaluation and treatment of abnormalities defined by less invasive methods such as HSG and sonohysterography (ASRM)
NOT FIRST LINE DIAGNOSTIC TEST ? ? ?
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Prevelance of unsuspected uterine cavity abnormalities diagnosed by hysteroscopy prior to first IVF (Fatemi et al)
%
Polyps 5.8
Fibroid 0.7
Adhesions 2.2
Septum 1.9
Combined 0.3
10 %
Prevelance of unsuspected uterine cavity abnormalities diagnosed by hysteroscopy in patients with failed IVF cycles (Demirol and Gurgan)
%
Polyps 15.7
Adhesions 8.524 %
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Uterine shape decision during hysteroscopy by different clinicians (Smit et al)
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Hysteroscopy should be done routinely during the work up of infertile coupleYESImaging modalities do not have
high sensitivityAt least 10% of women suffering
infertility has endometrial abnormality
NOImaging modalities have high
specificityInvasive procedureComplicationsNot cost effective
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Hysteroscopy should be done routinely for the women undergoing IVF
YESImaging modalities do not have
high sensitivityAt least 10% of women suffering
infertility has endometrial abnormality
May be cost effectiveMay augment endometrial
receptivity
NOImaging modalities have high
specificityInvasive procedureComplications
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Cost effectiveness of routine hysteroscopic screening (Decision analytic model) (Kasius et al)
Routine Hysteroscopy before IVF
RoutineHyst
Hystersocopy after failed IVF
Failed Hyst
No hysteroscopy NoHyst
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Why Should be Hysteroscopy performed routinely ?
Hysteroscopy is a diagnostic tool for the evaluation of infertilityHysteroscopy is a screening method for diagnosis before IVF
treatmentHysteroscopy is a treatment modality for the correction or
augmentation of endometrial receptivity
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Hysteroscopy should be done for the correction or restoration of endometrial receptivity
YESImaging modalities do not have
high sensitivityAt least 10% of women suffering
infertility has endometrial abnormality
May be cost effectiveMay augment endometrial
receptivity
Septate uterusEndometrial polypSynechiaSubmucous FibroidEndometrial injury
?
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The effectiveness of hysteroscopy in improving pregnancy rates in subfertile women without other gynaecological symptoms: a systematic review
Scarce evidence on the effectiveness of hysteroscopic surgery in subfertile women with polyps, fibroids, septate uterus or intrauterine adhesions indicates a potential benefit. More randomized controlled trials are needed before widespread use of hysteroscopic surgery in the general subfertile population can be justified
Bosteels et al
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Submucous fibroids and reduced implantation
Abnormal uterine contractilityFocal endometritisAndrogen secretionVascular disturbances
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Narijan et alIVF following resection
PR
Normal cavity 21%
Resection of Fibroid 48.2%
Shokeir et alSpontaneous following resection
PR
No resection 28.2%
Resection 63.4%
Submucous Fibroids and Hysteroscopy
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Endometrial polyp and Infertility
Inflammatory state was found in polyps among infertile patients (Mollo et al)
Vascular changes found in polys were related with endometritis (Carvallho et al)
Reduced COX-2 and VGEF expression (Xiao et al)Localised disturbances in cellular immune environment (El-
Hammameh et al)
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Endometrial polyps affect uterine receptivity (Rackow et al)
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Endometrial polyps and IVF outcomeRemove or not remove ?• There is no RCT comparing IVF outcome among women endometrial
polyp diagnosed before or during controlled ovarian stimulation (Afifi et al)
• In retrospective series, regardless of size no impact of endometrial polyp was detected among women undergoing IVF (Tiras et al)
• Polyps larger than 15/20 mm could have deleterious effect (Isikoglu et al, Lass et al)
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SEPTATE UTERUS
Reproductive outcome is poorSpontaneous abortion 26%-94% Premature labor 9%-33%Fetal survival 10%-75%Spontaneous abortion after metroplasty 5.9%
(Toriano et al., 2004)
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Uterine anomalies and pregnancy outcome
• 105 women with uterine anomaly vs 182 women with normal shaped uterus:
• Highest incidence of early spontaneous abortion in septate uterus
• Highest incidence of preterm labor in arcuate and bicornuate uterus
(Zlopasa G. 2007)
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tr= trimester, pr= pregnancy(Zlopasa G, 2007)
Pregnancy outcome before and after hysteroscopic treatment of anomaly in 25 women
Outcome Before Treatment
After treatment
1st tr loss 34 (77.3) 18 (34.6) <0.001
2nd tr loss 7 (15.9) 3 (5.8)
Total pr loss 41 (93.2) 21 (40.4) <0.001
Term Deliveries
0 23 (44.2)
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Hysteroscopic resection of the septum improves the pregnancy rate of women with unexplained infertility: a prospective controlled trial (Mollo et al)
Spontaneous follow-up
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Septate, subseptate and arcuate uterus decrease pregnancy and live birth rates after IVF(Tomazevic et al)Septum and Subseptate Pregancy rates
No hysteroscopy 9.6%
Hysteroscopic resection 43.6%
Arcuate uterus Pregnancy rates
No hysteroscopy 20.9%
Hyteroscopic resection 35.5%
Septum and Subseptate Live birth rates
No hysteroscopy 1.9%
Hysteroscopic resection 38.6%
Septum and Subseptate Live birth rates
No hysteroscopy 3.0%
Hysteroscopic resection 30.4%
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The outcome of singleton pregnancies after IVF/ICSI in women before and after hysteroscopic resection of a uterine septum compared to normal controls (Ben-Frangez et al)
106 women who had hysteroscopic septum resection conceived following IVF/ICSI
Compared to controlsIncreased miscarriage rates before resection compared to controls Comparable miscarriage after hysteroscopic resection
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Hysteroscopy prior to the first IVF cycle:A systematic review and meta analyisis (Pundir et al)
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Does diagnostic or operative hysteroscopy increase the pregnancy rate in patients with history of failed IVF cycles?
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The benefit of hysteroscopy could extend beyond correction of uterine pathology
1. Easier embryo transfer, more accurate embryo placement2. Enhanced endometrial receptivity secondary to endometrial
stimulation
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Local Endometrial Injury (LEI) to overcome recurrent IVF failure:meta analysis (Potdar et al)
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Local Endometrial Injury (LEI)
Endometrial epithelial and stromal changes at the molecular level (Zhou et al)
Altered endometrial cell gene expression (Dekel et al, Kalma et al, Qin et al)
Upregulated
Laminin alpha 4
MMP-1
Mucin-1 transmembrane
Phospholipase A2
Uroplakin 1B
Facilitates endometrium for embryo implantation
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Local Endometrial Injury (LEI)
• Increase in local production of pro-inflammatory cytokines and growth factors (Engert et al, Minas et al)
Decidualisation, trophoblast invasion and regulatingendometrial development
Increased Levels of
TNF alpha
Interleukins 6-10-11-15
Epidermal Groth Factor
LIF
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Hysteroscopy for women with hydrosalpinx where abdominal approach contraindicatedEssure insertionLegendre et al43 womenPR 40.7%
IR 29.3%
LBR 25.9%
Ozgur et al27 womenPR 47.6%
LBR 23.8%
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ConclusionHysteroscopy has a major role among women undergoing IVFIt has both diagnostic and therapeutic utilitiesCorrection of anomalies destorting uterine cavity could have any
benefit on the outcome but needs more relevant dataIntracavitary lesions such as polyp and fibroid not only distorts
endometrium but cause inflammatory and immunologic reactions that may affect embryo implantation
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Local endometrial injury can be resulted by hysteroscopeRelevant data indicates that hysteroscopy previous to IVF increase
outcome Pre IVF hsyteroscopy among women who had previous failed cycles
has more addiditive impact on outcome compared to women who had no previous IVF cycie
Conclusion
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Dr. Ulun Uluğ
Dr. Selen Sezginsoy
Dr. Emre Bakırcıoğlu
Dr. Çiğdem Çizmeci
Lab:
Oya Yetiş
Habib Aslan
Munevver Serdaroğulları
Sinan Yıldız
Nurse Staff:
Hatice Özkan
Yasemin Köroğlu
Didem Yıldız
Ebru Köse
Hatice Duymaz
Gülseven Alıcı
Cennet Işık