T Ebner

Summary

Affiliation: Women's General Hospital
Country: Austria

Publications

  1. ncbi request reprint Developmental competence of oocytes showing increased cytoplasmic viscosity
    T Ebner
    Women s General Hospital, IVF Unit, Linz, Upper Austria, Austria
    Hum Reprod 18:1294-8. 2003
  2. doi request reprint Automatic user-independent zona pellucida imaging at the oocyte stage allows for the prediction of preimplantation development
    Thomas Ebner
    Landes Frauen und Kinderklinik, IVF Unit, Linz, Austria
    Fertil Steril 94:913-20. 2010
  3. doi request reprint Healthy live birth using theophylline in a case of retrograde ejaculation and absolute asthenozoospermia
    Thomas Ebner
    Abteilung für Gynäkologische Endokrinologie und Kinderwunsch Zentrum, Landes, Frauen, und Kinderklinik, Austria Electronic address
    Fertil Steril 101:340-3. 2014
  4. doi request reprint Application of a ready-to-use calcium ionophore increases rates of fertilization and pregnancy in severe male factor infertility
    Thomas Ebner
    Landes Frauen und Kinderklinik, Kinderwunschzentrum, Linz, Austria
    Fertil Steril 98:1432-7. 2012
  5. doi request reprint Planar embryos have poor prognosis in terms of blastocyst formation and implantation
    T Ebner
    Landes Frauen und Kinderklinik, IVF Unit, Linz, Upper Austria, Austria
    Reprod Biomed Online 25:267-72. 2012
  6. doi request reprint A plea for a more physiological ICSI
    T Ebner
    Landes Frauen und Kinderklinik, Kinderwunsch Zentrum, Linz, Upper Austria, Austria
    Andrologia 44:2-19. 2012
  7. ncbi request reprint Presence, but not type or degree of extension, of a cytoplasmic halo has a significant influence on preimplantation development and implantation behaviour
    T Ebner
    Women s General Hospital, IVF Unit, Lederergasse 47, A 4010 Linz, Upper Austria, Austria
    Hum Reprod 18:2406-12. 2003
  8. ncbi request reprint Complete oocyte activation failure after ICSI can be overcome by a modified injection technique
    T Ebner
    Women s General Hospital, IVF Unit, Lederergasse 47, A 4010 Linz, Austria
    Hum Reprod 19:1837-41. 2004
  9. ncbi request reprint Blood clots in the cumulus-oocyte complex predict poor oocyte quality and post-fertilization development
    T Ebner
    Landes, Frauen und Kinderklinik, IVF Unit, Linz, Upper Austria, Austria
    Reprod Biomed Online 16:801-7. 2008
  10. ncbi request reprint Developmental fate of ovoid oocytes
    T Ebner
    Landes Frauen und Kinderklinik, IVF Unit, Krankenhausstr 26 30, A 4020 Linz, Austria
    Hum Reprod 23:62-6. 2008

Collaborators

Detail Information

Publications54

  1. ncbi request reprint Developmental competence of oocytes showing increased cytoplasmic viscosity
    T Ebner
    Women s General Hospital, IVF Unit, Linz, Upper Austria, Austria
    Hum Reprod 18:1294-8. 2003
    ..The objective of the study was to investigate the developmental fate of oocytes with increased cytoplasmic viscosity as assessed by the persistence of the injection funnel after withdrawal of the ICSI pipette...
  2. doi request reprint Automatic user-independent zona pellucida imaging at the oocyte stage allows for the prediction of preimplantation development
    Thomas Ebner
    Landes Frauen und Kinderklinik, IVF Unit, Linz, Austria
    Fertil Steril 94:913-20. 2010
    ..To analyze whether a change in three-dimensional structure of the zona pellucida could indicate suboptimal gamete quality...
  3. doi request reprint Healthy live birth using theophylline in a case of retrograde ejaculation and absolute asthenozoospermia
    Thomas Ebner
    Abteilung für Gynäkologische Endokrinologie und Kinderwunsch Zentrum, Landes, Frauen, und Kinderklinik, Austria Electronic address
    Fertil Steril 101:340-3. 2014
    ..To analyze whether the use of ready-to-use theophylline is a feasible option in a case of retrograde ejaculation and absolute asthenozoospermia...
  4. doi request reprint Application of a ready-to-use calcium ionophore increases rates of fertilization and pregnancy in severe male factor infertility
    Thomas Ebner
    Landes Frauen und Kinderklinik, Kinderwunschzentrum, Linz, Austria
    Fertil Steril 98:1432-7. 2012
    ..To analyze whether a ready-to-use calcium ionophore improves outcomes, from fertilization to live birth, in patients with severe male factor infertility...
  5. doi request reprint Planar embryos have poor prognosis in terms of blastocyst formation and implantation
    T Ebner
    Landes Frauen und Kinderklinik, IVF Unit, Linz, Upper Austria, Austria
    Reprod Biomed Online 25:267-72. 2012
    ..01). Based on present data, it may be postulated that, in planar embryos, the mitotic spindle (which involves the sperm centrosome) might have been affected, which in turn might have led to an incomplete cleavage...
  6. doi request reprint A plea for a more physiological ICSI
    T Ebner
    Landes Frauen und Kinderklinik, Kinderwunsch Zentrum, Linz, Upper Austria, Austria
    Andrologia 44:2-19. 2012
    ..Furthermore, novel non-invasive imaging techniques can be valid tools for helping in the morphological selection of ICSI spermatozoa...
  7. ncbi request reprint Presence, but not type or degree of extension, of a cytoplasmic halo has a significant influence on preimplantation development and implantation behaviour
    T Ebner
    Women s General Hospital, IVF Unit, Lederergasse 47, A 4010 Linz, Upper Austria, Austria
    Hum Reprod 18:2406-12. 2003
    ..Since there is considerable disagreement in grading cytoplasmic haloes, this prospective study was set up to evaluate if certain subtypes of haloes are related to further development...
  8. ncbi request reprint Complete oocyte activation failure after ICSI can be overcome by a modified injection technique
    T Ebner
    Women s General Hospital, IVF Unit, Lederergasse 47, A 4010 Linz, Austria
    Hum Reprod 19:1837-41. 2004
    ..Complete fertilization failure after ICSI is a rare event, and it may happen repeatedly even in cases of normal sperm parameters and good ovarian response. In these cycles, alternative ICSI techniques may prove useful...
  9. ncbi request reprint Blood clots in the cumulus-oocyte complex predict poor oocyte quality and post-fertilization development
    T Ebner
    Landes, Frauen und Kinderklinik, IVF Unit, Linz, Upper Austria, Austria
    Reprod Biomed Online 16:801-7. 2008
    ..Consequently, mechanical removal of blood clots cannot rescue the corresponding embryo...
  10. ncbi request reprint Developmental fate of ovoid oocytes
    T Ebner
    Landes Frauen und Kinderklinik, IVF Unit, Krankenhausstr 26 30, A 4020 Linz, Austria
    Hum Reprod 23:62-6. 2008
    ..Irregularities in composition, thickness and/or color of the zona pellucida may impair optimal function and result in reduced outcome. Anomalies of oocyte shape have not been investigated in detail in this respect...
  11. ncbi request reprint Possible applications of a non-contact 1.48 microm wavelength diode laser in assisted reproduction technologies
    T Ebner
    Women s General Hospital, IVF Unit, Lederergasse 47, A 4020 Linz, Austria
    Hum Reprod Update 11:425-35. 2005
    ..The diode laser stands out due to the rapidity, the simplicity and the safety of the procedure which is supported by healthy offspring after laser application...
  12. ncbi request reprint First polar body morphology and blastocyst formation rate in ICSI patients
    T Ebner
    Women s General Hospital, IVF Unit, Lederergasse 47, A 4010 Linz, Upper Austria, Austria
    Hum Reprod 17:2415-8. 2002
    ..It may be beneficial to identify, at a very early stage of development, concepti that will result in viable blastocysts by using a non-invasive technique...
  13. ncbi request reprint Prognosis of oocytes showing aggregation of smooth endoplasmic reticulum
    Thomas Ebner
    Landes Frauen und Kinderklinik, IVF Unit, Krankenhausstr, 26 30, A 4020 Linz, Upper Austria, Austria
    Reprod Biomed Online 16:113-8. 2008
    ..Patients have to be informed that even transfer of sibling oocytes without this anomaly involves a higher risk of detrimental outcome...
  14. ncbi request reprint Incomplete denudation of oocytes prior to ICSI enhances embryo quality and blastocyst development
    T Ebner
    Landes Frauen und Kinderklinik, IVF Unit, Linz, Upper Austria, Austria
    Hum Reprod 21:2972-7. 2006
    ..In order to evaluate the actual influence of adhering cumulus cells on further preimplantation development, this prospective study was carried out...
  15. ncbi request reprint Occurrence and developmental consequences of vacuoles throughout preimplantation development
    Thomas Ebner
    IVF Unit, Women s General Hospital, Linz, Austria
    Fertil Steril 83:1635-40. 2005
    ..Since little is known about the actual incidence and fate of vacuoles at different stages of development this preliminary study was set up to accurately measure vacuoles and track them to day 5...
  16. pmc Cytoplasmic pitting has a negative influence on implantation outcome
    Thomas Ebner
    Women s General Hospital, IVF Unit, Lederergasse 47, A 4020 Linz, Upper Austria, Austria
    J Assist Reprod Genet 22:239-44. 2005
    ..Since cytoplasmic pitting is a morphological phenomenon discussed controversially, this study was set up in order to assess the actual influence of cytoplasmic pitting on treatment outcome...
  17. ncbi request reprint Selection based on morphological assessment of oocytes and embryos at different stages of preimplantation development: a review
    T Ebner
    Women s General Hospital, IVF Unit, A 4010 Linz, Austria
    Hum Reprod Update 9:251-62. 2003
    ..In addition, multiple selection at different stages of development will be required to filter out the correct 'candidate' embryo which will result in a healthy newborn...
  18. ncbi request reprint Morphological analysis at compacting stage is a valuable prognostic tool for ICSI patients
    T Ebner
    Landes Frauen und Kinderklinik, IVF Unit, Linz, Upper Austria, Austria
    Reprod Biomed Online 18:61-6. 2009
    ..Blastocysts deriving from grade C1/C4 embryos led to a higher pregnancy rate as compared with the C2/C3 counterparts (P < 0.05). This modified score allows for adequate prediction of both blastocyst formation/quality and pregnancy...
  19. doi request reprint Group culture of human zygotes is superior to individual culture in terms of blastulation, implantation and life birth
    T Ebner
    Landes Frauen und Kinderklinik, IVF Unit, Linz, Upper Austria, Austria
    Reprod Biomed Online 21:762-8. 2010
    ..As far as is known, this is the first evidence that grouping embryos improves preimplantation development in human and it is recommended that culture volume should be reduced or embryo density increased...
  20. doi request reprint Easy sperm processing technique allowing exclusive accumulation and later usage of DNA-strandbreak-free spermatozoa
    T Ebner
    Landes Frauen und Kinderklinik, IVF Unit, Linz, Austria
    Reprod Biomed Online 22:37-43. 2011
    ..001). As far as is known, this is the first report ona sperm preparation technique concentrating spermatozoa unaffected in terms of DNA damage. The special chambers most probably select for sperm motility and/or maturity...
  21. ncbi request reprint Morphology of vitrified/warmed day-5 embryos predicts rates of implantation, pregnancy and live birth
    T Ebner
    Landesfrauen und Kinderklinik Linz, Krankenhausstrasse 26 30, Linz 4020, Austria
    Reprod Biomed Online 19:72-8. 2009
    ..05), which was negatively related. Accurate scoring of warmed blastocysts (within the first 2 h) allows for prediction of pregnancy outcome, and thus will help to further reduce the number of transferred embryos...
  22. ncbi request reprint Prospective hatching of embryos developed from oocytes exhibiting difficult oolemma penetration during ICSI
    T Ebner
    Women s General Hospital Linz, IVF Unit, Lederergasse 47, A 4020 Linz, Upper Austria, Austria
    Hum Reprod 17:1317-20. 2002
    ..This led us to investigate whether a special subgroup of patients with oocytes where penetration of the oolemma is difficult during ICSI may benefit from assisted hatching...
  23. ncbi request reprint Successful birth after laser assisted immobilization of spermatozoa before intracytoplasmic injection
    Thomas Ebner
    Women s General Hospital, IVF Unit, Linz, Upper Austria, Austria
    Fertil Steril 78:417-8. 2002
    ..To describe the first ICSI pregnancy achieved with sperm that were immobilized by using a noncontact diode laser...
  24. ncbi request reprint Basal level of anti-Müllerian hormone is associated with oocyte quality in stimulated cycles
    T Ebner
    IVF Unit, Landes Frauen und Kinderklinik, Linz, Austria
    Hum Reprod 21:2022-6. 2006
    ....
  25. ncbi request reprint Laser-assisted zona pellucida thinning prior to routine ICSI
    M Moser
    Women s General Hospital, IVF Unit, Lederergasse 47, A 4010 Linz, Upper Austria, Austria
    Hum Reprod 19:573-8. 2004
    ..In order to prevent this, the present study used routine injection through an area of zona pellucida in which laser zona thinning had been applied, providing for both a reduced mechanical stress to the oocyte and assisted hatching...
  26. ncbi request reprint Role of three-dimensional ultrasonographic measurement of endometrium volume as a predictor of pregnancy outcome in an IVF-ET program: a preliminary study
    C Yaman
    Department of Assisted Reproduction, Women s General Hospital, Lederergasse, Linz, Austria
    Fertil Steril 74:797-801. 2000
    ..To evaluate the role of three-dimensional (3D) ultrasonographic measurement of the endometrium in predicting pregnancy in an IVF-ET program...
  27. ncbi request reprint Laser assisted immobilization of spermatozoa prior to intracytoplasmic sperm injection in humans
    T Ebner
    Women s General Hospital, IVF Unit, A 4020 Linz, Austria
    Hum Reprod 16:2628-31. 2001
    ..The conventional method of immobilization of spermatozoa prior to intracytoplasmic sperm injection (ICSI) is mechanical breakage of the tail by pressing it against the bottom of the injection dish...
  28. ncbi request reprint The role of mode of conception in the outcome of twin pregnancies
    O Shebl
    IVF Unit, Landesfrauen und Kinderklinik, A 4020 Linz, Austria
    Minerva Ginecol 61:141-52. 2009
    ..In in-vitro fertilization programs twin pregnancies should be avoided and physicians have to inform patients of the specific risks when transferring more than one embryo...
  29. pmc A prospective study on oocyte survival rate after ICSI: influence of injection technique and morphological features
    T Ebner
    Women s General Hospital, IVF Unit, Linz, Upper Austria, Austria
    J Assist Reprod Genet 18:623-8. 2001
    ..To determine the influence of technical pitfalls and oocyte morphology on survival rate and cleavage behavior after ICSI...
  30. ncbi request reprint Embryo fragmentation in vitro and its impact on treatment and pregnancy outcome
    T Ebner
    IVF Unit, Women s General Hospital, Linz, Austria
    Fertil Steril 76:281-5. 2001
    ..To determine the impact of embryo fragmentation on pregnancy, obstetric, and perinatal outcome...
  31. ncbi request reprint Elective transfer of embryos selected on the basis of first polar body morphology is associated with increased rates of implantation and pregnancy
    T Ebner
    In Vitro Fertilization Unit, Women s General Hospital, Linz, Austria
    Fertil Steril 72:599-603. 1999
    ..To determine the relationship between first polar body morphology and implantation rate and pregnancy rate (PR), to facilitate decision making concerning elective ET...
  32. ncbi request reprint Three-dimensional endometrial volume estimation as a predictor of pituitary down-regulation in an IVF-embryo transfer programme
    C Yaman
    Women s General Hospital, IVF Unit, University of Linz, Department for Statistics, Austria
    Hum Reprod 15:1698-702. 2000
    ..3D volume estimation provides a new tool for diagnosing relative hypo-oestrogenism or down-regulation, but it was not superior to two-dimensional ultrasound...
  33. ncbi request reprint [Multiple pregnancies after ART: problems and possible solutions]
    O Shebl
    IVF Unit Linz, Landesfrauen und Kinderklinik Linz, Linz, Osterreich
    Gynakol Geburtshilfliche Rundsch 47:3-8. 2007
    ..An efficient reduction is only possible by single-embryo transfers. There should be strict and cross-national regulation for the choice of women who should have a transfer of more than one embryo...
  34. doi request reprint Efficacy of a sperm-selection chamber in terms of morphology, aneuploidy and DNA packaging
    M Seiringer
    Landes Frauen und Kinderklinik, Kinderwunsch Zentrum Linz, Krankenhausstr 26 30, A 4020 Linz, Austria
    Reprod Biomed Online 27:81-8. 2013
    ..To summarize, further evidence is provided that separating spermatozoa without exposure to centrifugation stress results in a population of highly physiological spermatozoa...
  35. ncbi request reprint Acute postpuerperal necrotizing endomyometritis
    G Tews
    Women s General Hospital, IVF Unit, Linz, Upper Austria, Austria
    Int J Gynaecol Obstet 86:39-40. 2004
  36. ncbi request reprint Three-dimensional power Doppler in the diagnosis of ovarian torsion
    C Yaman
    Women s General Hospital, Linz, Austria
    Ultrasound Obstet Gynecol 20:513-5. 2002
    ..1 vs. 5.2). The diagnosis of ovarian torsion can be better made with 3D power Doppler sonography than with two-dimensional Doppler sonography...
  37. doi request reprint Cryopreserved blastocysts have a lower implantation but an equal live birth rate as compared to fresh blastocysts of the same quality - a case-control study
    Omar Shebl
    IVF Unit, Landes Frauen und Kinderklinik Linz, Linz, Austria
    Acta Obstet Gynecol Scand 88:944-7. 2009
    ..A lower implantation rate was found for cryopreserved embryo replacement compared to transferring fresh embryos. Live birth rate was found to be equal in both groups...
  38. doi request reprint Age-related distribution of basal serum AMH level in women of reproductive age and a presumably healthy cohort
    Omar Shebl
    In Vitro Fertilization Unit, Women s General Hospital, Linz, Austria
    Fertil Steril 95:832-4. 2011
    ..Day 1 to 4 serum AMH levels showed an age-dependent distribution and there is a wide range of AMH in each year of age analyzed, showing that even young women are at a risk of reduced ovarian reserve...
  39. doi request reprint [Is there an influence of IVF law on our medical treatment]
    Gernot Tews
    Landesfrauen und Kinderklinik Linz, Institut für Reproduktionsmedizin
    Ther Umsch 66:813-7. 2009
    ....
  40. doi request reprint Anti muellerian hormone serum levels in women with endometriosis: a case-control study
    Omar Shebl
    Department of Obstetrics and Gynecology, IVF Unit, Landesfrauen und Kinderklinik, Linz, Austria
    Gynecol Endocrinol 25:713-6. 2009
    ..To compare the anti muellerian hormone (AMH) serum levels in women with and without endometriosis...
  41. ncbi request reprint Birth weight is lower for survivors of the vanishing twin syndrome: a case-control study
    Omar Shebl
    IVF Unit, Landesfrauen und Kinderklinik, and Department of Gynecology, Allgemeines Krankenhaus, Linz, Austria
    Fertil Steril 90:310-4. 2008
    ..To compare the outcome of singleton pregnancies originating from a twin gestation with singleton pregnancies originating from a single gestation...
  42. ncbi request reprint Premature rupture of membranes with oligo- or anhydramnios before 24 weeks of gestation and the chances of fetal survival
    Gernot Tews
    Abteilung Geburtshilfe, Landesfrauenklinik Linz, Linz, Austria
    Wien Klin Wochenschr 116:692-4. 2004
    ..The aim of the present investigation was to provide the consulting physician with valid data, enabling him/her to make a realistic assessment of the risks and to inform the patient accordingly...
  43. ncbi request reprint Is oocyte morphology prognostic of embryo developmental potential after ICSI?
    Thomas Ebner
    Women s General Hospital, IVF Unit, Lederergasse 47, A 4010 Linz, Upper Austria, Austria
    Reprod Biomed Online 12:507-12. 2006
    ..g. aggregation of endoplasmic reticulum, vacuolization, increased ooplasmic viscosity, giant eggs). Therefore, it is strongly recommended to include oocyte quality in all scoring systems applied in IVF laboratories...
  44. ncbi request reprint Risk in twin pregnancies after the use of assisted reproductive techniques
    Omar Shebl
    In Vitro Fertilization Unit, Landesfrauen und Kinderklinik, Linz, Austria
    J Reprod Med 53:798-802. 2008
    ..To analyze whether there is an increased perinatal risk for twin pregnancies after in vitro fertilization/intracytoplasmic sperm injection (IVF/ICSI)...
  45. ncbi request reprint [Does the IVF regulation modify our medical management?]
    Gernot Tews
    Institut für Reproduktionsmedizin, Landesfrauen und Kinderklinik Linz, Linz, Austria
    Wien Klin Wochenschr 120:184-7. 2008
  46. ncbi request reprint Assisted vaginal delivery versus caesarean section in breech presentation
    Hartmut Krupitz
    Landes Frauen und Kinderklinik, Abteilung für Geburtshilfe, Linz, Austria
    Acta Obstet Gynecol Scand 84:588-92. 2005
    ..The aim of the present study was to determine whether the results of TBT have to be taken into account when counseling pregnant women in central Europe...
  47. ncbi request reprint Acute puerperal inversion of the uterus--treatment by a new abdominal uterus preserving approach
    G Tews
    IVF Unit, Women s General Hospital, Lederergasse 47, A 4020 Linz, Austria
    Acta Obstet Gynecol Scand 80:1039-40. 2001
    ..It is said to be complete when the fundus uteri protrudes through the cervix and into the vagina. Within minutes a state of shock is reached due to pulling forces on the peritoneum as well as blood loss...
  48. ncbi request reprint Reproducibility of three-dimensional ultrasound endometrial volume measurements in patients with postmenopausal bleeding
    C Yaman
    Women s General Hospital, Department of Assisted Reproduction, Linz, Austria
    Ultrasound Obstet Gynecol 19:282-6. 2002
    ....
  49. ncbi request reprint Images in endoscopy: ascites with pseudocysts in a woman with Chlamydia trachomatis infection of the pelvis
    G Tews
    In Vitro Fertilization Unit, Women s General Hospital, Linz, Austria
    J Am Assoc Gynecol Laparosc 9:111-2. 2002
  50. ncbi request reprint Fatal trophoblastic embolism during cesarean section
    G Tews
    Department of Gynecology and Obstetrics, Women s General Hospital, Linz, Austria
    Int J Gynaecol Obstet 76:179-80. 2002
  51. ncbi request reprint The potential of preoperative beta-hCG and progesterone levels to predict failure of laparoscopic linear salpingostomy in ectopic pregnancies
    Gernot Tews
    Department of Gynecology and Obstetrics, Women s General Hospital, Lederergasse 47, A 4020 Linz, Austria
    J Am Assoc Gynecol Laparosc 9:460-3. 2002
    ..To estimate the association between preoperative beta-human chorionic gonadotropin (hCG) and progesterone levels, and success of linear salpingostomy in treatment of tubal pregnancy...
  52. doi request reprint The role of three-dimensional volume measurement in diagnosing endometrial cancer in patients with postmenopausal bleeding
    Cemil Yaman
    Department of Obstetrics and Gynecology, AKH Linz, Linz, Austria
    Gynecol Oncol 110:390-5. 2008
    ..To evaluate the role of three-dimensional transvaginal ultrasound in diagnosing endometrial cancer in patients with history of postmenopausal bleeding and compare its effectiveness with two-dimensional ultrasound...
  53. ncbi request reprint Predictive value of cumulus cell apoptosis with regard to blastocyst development of corresponding gametes
    Claudia Maria Corn
    University of Salzburg, Institute of Zoology, Salzburg, Austria
    Fertil Steril 84:627-33. 2005
    ..To test if a high degree of apoptosis in cumulus cells could indicate diminished oocyte quality and developmental competence...
  54. ncbi request reprint Developmental potential of human pronuclear zygotes in relation to their pronuclear orientation
    Thomas Ebner
    Hum Reprod 19:1925-6. 2004