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What is the effect of a single low-dose recombinant hCG injection after embryo transfer (ET) in letrozole-induced modified natural frozen embryo transfer cycles (mNC-FET)?. An observational study was conducted in the university-affiliated referral clinic between 2022 and 2024. Women aged 18-42 with at least one vitrified blastocyst obtained from the previous cycle(s) were included. Ovulation induction for endometrial preparation was initiated with oral letrozol (5 mg/day) for five days. Ovulation was triggered using 6500 IU rec hCG sc when the leading follicle > 17 mm, endometrial thickness > 7.5 mm, and serum progesterone (P) < 1.5 ng/ml. All women received 30 mg dydrogesterone/day po for additional five-day luteal support. On the 6th day, ET was performed. Based on a quasi-randomized design, a group of women additionally received a half single bolus of (3250 IU) rec hCG (sc) on the morning of 3rd day of ET (hCG group). Women who did not receive additional hCG were assigned as controls. One hundred fifty-four women were detected to be eligible for the study among 2150 initiated FET cycles during the period. Demographic data of the groups, including mean women's age, BMI, serum AMH, and infertility etiologies, were comparable in terms of variables. Mean serum progesterone values and the number of transferred embryos were also similar. A significantly higher ongoing pregnancy/started cycle was documented in the hCG group than in controls (46.7% vs 33.6% respectively, p = 0.03*). A single low-dose hCG injection after ET may improve the OPRs of women in letrozole mNC-FET cycles.
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Gonadotropina Coriônica , Criopreservação , Transferência Embrionária , Taxa de Gravidez , Humanos , Feminino , Adulto , Transferência Embrionária/métodos , Gonadotropina Coriônica/administração & dosagem , Gravidez , Criopreservação/métodos , Adulto Jovem , Indução da Ovulação/métodos , Adolescente , Letrozol/administração & dosagemRESUMO
RESEARCH QUESTION: What should be the optimal route of luteal support in programmed frozen embryo transfer (FET) cycles? DESIGN: This was a randomized, parallel, phase IV pilot trial with three groups of women undergoing FET along with hormone replacement therapy for endometrial preparation at a tertiary private IVF centre (NCT03948022). Women with at least one autologous cryopreserved blastocyst were included. After preparing the endometrium with oestradiol, 151 women were randomly assigned to one of the following three progesterone arms before embryo transfer: oral (10 mg) dydrogesterone (DYD), total daily dose 40 mg (nâ¯=â¯52); 8% (90 mg) progesterone vaginal gel (VAG), total daily dose 180 mg (nâ¯=â¯55); or intramuscular progesterone (IMP) 50 mg/ml in oil, total daily dose 100 mg (nâ¯=â¯44). One or two vitrified-warmed blastocysts were transferred after 5 days' progesterone support. RESULTS: Baseline demographic features and embryological data were comparable among the groups. Ongoing pregnancy rates (40.4%, 38.2% and 45.5% in the DYD, VAG and IMP arms; Pâ¯=â¯0.76) and live birth rates (40.4%, 38.2% and 43.2% in the DYD, VAG and IMP arms, Pâ¯=â¯0.61) were statistically similar. Biochemical pregnancy rates and clinical miscarriage rates were also statistically similar among the groups. Significantly more patients with at least one side effect and moderate-to-severe side effects were documented in the IMP arm than the other groups (P < 0.001). CONCLUSIONS: Treatment with 40 mg/day oral DYD, 180 mg/day progesterone VAG gel or 100 mg/day IMP revealed similar reproductive outcomes in programmed FET cycles. Side effects were significantly more frequent in the IMP arm.
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Progesterona , Feminino , Humanos , Gravidez , Didrogesterona , Transferência Embrionária , Projetos Piloto , Taxa de Gravidez , Estudos RetrospectivosRESUMO
Male infertility contributes as the main factor in 30-50% of infertility cases. Conventional methods for sperm preparation have induced questioning of sperm recovery rates. The microfluidic sperm sorting (MSS) technique selects highly motile sperm with lower levels of SDF (sperm DNA fragmentation) compared to conventional sperm sorting techniques. This study aimed to determine whether utilizing this technique will reveal better embryo quality and euploidy rates in couples with repeated implantation failure (RIF) and high SDF in a new PGT-A (preimplantation genetic testing for aneuploidies) cycle. This retrospective study included couples referred to PGT-A for previous repeated ART (assisted reproductive techniques) cycle failures and with high SDF. In their new cycles, couples who accepted the technique were assigned to the MSS group, and the rest were managed with DGC (density-gradient centrifugation). Two groups were compared in terms of fertilization and euploidy rates, clinical miscarriage and live birth rates, the total number of blastocysts, and top quality blastocysts. There was no difference between the groups regarding fertilization rates, euploidy rates, clinical miscarriage, and live birth rates. The total number of blastocysts and top quality blastocysts were significantly higher in the MSS group. The MSS technique provides a higher number of top-quality blastocysts than DGC; however, neither euploidy nor live birth rates improved. Studies focusing on confounding factors to embryonic genomic status in the presence of high SDF are needed.
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Aborto Espontâneo , Infertilidade Masculina , Fragmentação do DNA , Feminino , Fertilização in vitro , Humanos , Infertilidade Masculina/diagnóstico , Masculino , Microfluídica , Gravidez , Taxa de Gravidez , Estudos Retrospectivos , EspermatozoidesRESUMO
OBJECTIVE: To compare the efficacy of follicular flushing (FF) with double lumen needle and direct follicular aspiration with single lumen needle in terms of oocyte yield in mono-follicular responder patients undergoing assisted reproduction techniques (ART). MATERIALS AND METHODS: Prospective 'quasi-experimental' study was carried out in an IVF center. Infertile women 18-42 years of age with diminished ovarian reserve who revealed a single follicle >17 mm on the day of oocyte retrieval were included in the study. Follicular flushing up to 8 times was performed in FF group using an 17-G double lumen needle. Direct follicular aspiration using a 17-G single lumen needle without FF was performed in direct aspiration group. Total numbers of collected oocytes, metaphase 2 oocytes, fertilization and pregnancy rates were compared among groups. RESULTS: A total of 206 women underwent oocyte retrieval procedure; 106 women were assigned to FF and 100 women into direct aspiration arm. Overall oocyte retrieval rate was 50.4% in all cases. The total oocyte retrieval rate was higher (65/106, 61.9%) in FF group, than in direct aspiration group (39/100, 39%, p = 0.001). Metaphase 2 oocyte rate was also higher in FF group (47/106, 44.3% vs 29/100, 29% p = 0.04). Fertilization rates, total number of patients with a cleavage stage embryo and grade 1 cleavage embryo were similar among the groups (p>0.5). Numbers of positive hCG, ongoing pregnancy and miscarriage rates were similar among groups. CONCLUSION: Follicular flushing using double lumen needle in mono-follicular responder patients with diminished ovarian reserve yields more oocytes and mature oocytes than direct aspiration of follicles.
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Recuperação de Oócitos/métodos , Técnicas de Reprodução Assistida , Irrigação Terapêutica/métodos , Adulto , Feminino , Fertilização in vitro , Humanos , Infertilidade Feminina , Agulhas , Gravidez , Taxa de Gravidez , Estudos Prospectivos , Adulto JovemRESUMO
INTRODUCTION: Puerperal infection remains a significant cause of maternal morbidity and mortality. Those infections occur more likely after cesarean delivery (CD). Prophylactic antibiotics are administered at the time of CD to prevent complications. In addition to intraoperative prophylaxis; prescription of antibiotics during hospital discharge to prevent surgical site infections (SSI) is quite common. Purpose of this study is to determine the utility of prophylactic oral antibiotic prescription in a cohort of low-risk women undergoing CD. MATERIALS AND METHODS: A prospective observational study was conducted between 2014 and 2018 at Ufuk University School of Medicine, Department of Obstetrics and Gynaecology. Total of 389 low risk elective cesarean deliveries were selected. All cases received intraoperative prophylaxis. In group I (157 subjects), no further antibiotics were given and in group II (232 cases), oral cephuroxime 500 mg was given during hospital discharge. Primary outcome was SSI. Secondary outcomes were endometritis and other infectious conditions. RESULTS: Overall SSI rate was 2.5%. Only 2 SSIs were noted in group 1 (1.2%) compared to eight in group II (3.4%). There was no statistical difference in SSI rate between two groups. Secondary outcomes were also comparable. CONCLUSION: In this study, we failed to reveal any beneficial effect of oral antibiotic prescription during hospital discharge in low risk elective CDs. Therefore, use of oral antibiotics in addition to intraoperative prophylaxis should be questioned in terms of increased costs, emergence of bacterial resistance and long term effects on new born as a consequence of changes in gut microbiome.
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Antibioticoprofilaxia , Endometrite , Antibacterianos/uso terapêutico , Cesárea/efeitos adversos , Feminino , Humanos , Gravidez , Infecção da Ferida Cirúrgica/tratamento farmacológico , Infecção da Ferida Cirúrgica/epidemiologia , Infecção da Ferida Cirúrgica/prevenção & controle , Centros de Atenção TerciáriaRESUMO
Nearly 5 million babies have been delivered following assisted conception (IVF/ICSI) and the demand is increasing. Meticulous ovarian stimulation and well programmed luteal phase support are the landmarks of treatment success. Although the importance of luteal phase support in IVF/ICSI cycles is well established, the optimal route, dose and duration of this support is still a matter of debate. Regardless of the ovarian stimulation, parenteral and vaginal progesterone has been one of the most common routes. However, oral or subcutaneous routes are also well-investigated and reveal satisfactory clinical outcomes. It is obviously critical to choose a progesterone with adequate clinical efficacy and patient tolerability as well. Moreover, fresh and frozen embryo transfer cycles markedly different from each other in terms of physiological changes and luteal support concept should be modified accordingly. The aim of this narrative review is to provide evidence-based take home messages for the luteal phase support in either fresh or frozen embryo transfer cycles in the context of a recent scientific evidence.
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BACKGROUND AND OBJECTIVES: To compare the efficacy of 3 different techniques for prevention of adhesion reformation after hysteroscopic adhesiolysis in patients with moderate-to-severe intrauterine adhesions. Short-term assisted reproductive outcomes were also compared. STUDY DESIGN: Total of 72 cases were randomized to Lippes loop intrauterine device (IUD) only, IUD plus a new crosslinked hyaluronan (NCH) gel, or NCH gel only following hysteroscopic adhesiolysis. All cases received hormonal therapy and a second hysteroscopy was carried out. Endometrial thickness values were measured using transvaginal ultrasonography and American Fertility Society adhesion scores were noted during first and second hysteroscopy in all groups. Reproductive outcomes were also compared for those who received in vitro fertilization treatment. RESULTS: Transvaginal ultrasonography revealed significantly better endometrial thickness in the IUD+NCH (7.5 mm) and NCH-only groups (6.5 mm) than the IUD-only group (5 mm) (P < .001). All groups revealed enhanced but comparable American Fertility Society adhesion scores on second-look hysteroscopy. A total of 37 patients received in vitro fertilization treatment after surgical management of adhesions. Ongoing pregnancy rates after in vitro fertilization were 27%, 40%, and 36% in IUD, IUD+NCH, and NCH groups, respectively. However, the difference between the groups did not reach statistically significant difference. CONCLUSION: All interventions are of similar efficacy in the prevention of adhesion reformation after hysteroscopic adhesiolysis for moderate to severe intrauterine adhesions. However, better endometrial thickness values were observed in those who received NCH gel either alone or in combination with IUD. Assisted reproductive outcomes of both groups were comparable for ongoing pregnancy rates.
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Ácido Hialurônico , Dispositivos Intrauterinos , Aderências Teciduais/prevenção & controle , Viscossuplementos , Adulto , Endométrio/diagnóstico por imagem , Feminino , Géis , Humanos , Histeroscopia , Gravidez , Prevenção Secundária , Aderências Teciduais/cirurgia , UltrassonografiaRESUMO
OBJECTIVE: This study was designed to evaluate the prevalence of Human Papilloma Virus (HPV) in semen and document the cycle outcomes in couples with previous intra-cytoplasmic sperm injection (ICSI) failures. MATERIAL AND METHODS: One hundred and seventeen couples with at least two ICSI attempts were included in the study. HPV infection in semen and DNA fragmentation in samples were analyzed by commercially available kits. The percentage of spermatozoa with fragmented DNA (DNA fragmentation index: DFI) was determined during fluorescence microscopic examination as previously described. The cycle outcomes of couples with or without HPV infected male partners were recorded. RESULTS: According to our results, the prevalence of HPV was 7.7% in asymptomatic males with at least two previous ICSI failures. The increased DFI (>30%) was observed in 82.9% of the cases. In HPV-positive cases significantly lower number of good quality embryos were obtained. The implantation and pregnancy rates were similar in infected and non-infected males (p>0.05). The early miscarriage rate was slightly higher in HPV- positive group (33% vs. 10%, p>0.05). CONCLUSION: In cases with previous ICSI failures, the prevalence of HPV infection in semen is not higher than previously reported infertile populations. The reproductive outcome might be impaired in HPV-positive semen due to lower number of good quality embryos, which needs to be clarified by further large population-based studies.
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OBJECTIVE: To investigate the impact of peri-implantation prednisolone use and its duration in antagonist co-treated assisted reproductive technology (ART) cycles of patients with good prognosis. MATERIALS AND METHODS: Infertile patients treated with gonadotropin-releasing hormone antagonist protocol between January 2010 and June 2013 were included. The patients in group A (n=196) received no prednisolone. The patients in groups B (n=397) and C (n=371) received 5 mg oral prednisolone daily, for 4 and 12 days following embryo transfer, respectively. The main outcome parameter was live birth rate. RESULTS: The ages of the groups were 30.1±4.6, 31.5±4.5, and 30.9±4.7 years, respectively (p=0.163). There was no statistically significant difference between the groups regarding cycle characteristics. Implantation rates were 20.7%, 24.6%, and 23.8%, respectively (p=0.163). Miscarriage rates were 1.5%, 3.5%, and 3.2%, respectively (p=0.859). Live birth rates were 28.7%, 29.3%, and 32.8%, respectively (p=0.482). CONCLUSION: Empiric prednisolone administration during the peri-implantation period does not seem to have beneficial effects in ART cycles of patients with good prognosis.
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BACKGROUND: Gastrin-releasing peptide (GRP) is thought to play a role in the metastatic process of various malignancies. The more stable precursor of GRP, pro-GRP (ProGRP), has been shown to be secreted by neuroendocrine tumors. This study was designed to assess the validity of ProGRP as a diagnostic marker in endometrioid adenocarcinomas (EAs) of the endometrium. METHODS: Thirty-seven patients with a diagnosis of EA, 23 patients with endometrial hyperplasia, and 32 age-matched controls with normal endometrial histology were recruited for this study. Serum ProGRP and cancer antigen 125 (CA125) values were compared between groups. RESULTS: Median serum ProGRP levels were significantly higher in the cancer group compared to corresponding levels in both the hyperplasia and control groups (p = 0.008 and p < 0.001 respectively; endometrial cancer: 27.5 pg/mL; hyperplasia: 16.1 pg/mL; controls: 12.9 pg/mL). Age and endometrial thickness were positively correlated with ProGRP levels (r = 0.322, p = 0.006 and r = 0.269, p = 0.023, respectively). Receiver Operating Characteristic curve analyses for EA revealed a threshold of 20.81 pg/mL, with a sensitivity of 60.7% and specificity of 81.4%, positive predictive value of 68% and negative predictive value of 76.1%. CONCLUSION: Significantly higher ProGRP levels were observed in patients with EA than in controls. Serum ProGRP has good diagnostic sensitivity and specificity for EA.
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Biomarcadores Tumorais/sangue , Carcinoma Endometrioide/sangue , Neoplasias do Endométrio/sangue , Fragmentos de Peptídeos/sangue , Adulto , Idoso , Antígeno Ca-125/sangue , Estudos de Casos e Controles , Endométrio/patologia , Feminino , Humanos , Proteínas de Membrana/sangue , Pessoa de Meia-Idade , Estudos Prospectivos , Proteínas Recombinantes/sangue , Sensibilidade e EspecificidadeRESUMO
BACKGROUND AND OBJECTIVES: A temporary deterioration in renal function during pneumoperitoneum has been reported, but the extent is not known. A new marker for the early detection of renal injury, neutrophil gelatinase-associated lipocalin (NGAL), has been shown to increase in various conditions that affect renal function. This study was conducted to explore detrimental effects of pneumoperitoneum in laparoscopic surgery on renal function by studying levels of urinary NGAL (uNGAL). METHODS: Thirty-two women scheduled to undergo laparoscopic surgery in a gynecology clinic were recruited. NGAL was measured in urine collected at the beginning (0 h) and at 2 and 24 hours after the initiation of surgery. Hemodynamic parameters were analyzed immediately after intubation and before desufflation. RESULTS: Levels of uNGAL increased from 5.45 ng/mL at 0 hours to 6.35 ng/mL at 2 hours and to 6.05 ng/mL at 24 h; however, there was no significant change in uNGAL levels at the collection time points. Intraoperative oliguria was observed in all cases, and the severity increased with the duration of surgery. uNGAL levels did not correlate with the duration of surgery or pneumoperitoneum. CONCLUSION: In patients with normal renal functions, pneumoperitoneum results in transient oliguria without any early renal damage, as indicated by nonsignificant changes in uNGAL levels.
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Laparoscopia , Lipocalina-2/urina , Pneumoperitônio Artificial , Adolescente , Adulto , Biomarcadores/urina , Feminino , Procedimentos Cirúrgicos em Ginecologia , Humanos , Complicações Intraoperatórias , Pessoa de Meia-Idade , Oligúria/etiologia , Adulto JovemRESUMO
BACKGROUND: To document alterations in Anti-Müllerian hormone (AMH) levels with different energy doses by monopolar cautery in ovarian drilling (OD) in rats. METHODS: Forty Wistar rats were randomly divided into 4 groups that each contained 10 animals. Group A was the Sham group. Groups B, C and D were intervention groups to which OD was applied by monopolar cautery, with 20, 60 and 120 J/ovary, respectively. The total amount of energy was calculated using the following formula: energy (J) = power (W) × duration (s) × number of punctures. RESULTS: The pre- and postoperative AMH levels for Groups A, B and C were not statistically and significantly different according to the Bonferroni correction (p > 0.0125). However, the postoperative AMH levels were significantly lower than the preoperative AMH levels in Group D (1.25 ng/ml (1.07-2.05) vs. 0.40 ng/ml (0.30-0.72); p = 0.012). CONCLUSIONS: AMH is a promising marker that can be used for the individualization of the energy dose to increase OD success, but the relationship between the energy and AMH has not been documented yet. This study demonstrates that postoperative changes in AMH levels could be observed only after a certain amount of energy was applied. Further experimental animal models are needed to conclusively address this issue.
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Hormônio Antimülleriano/sangue , Ovário/cirurgia , Animais , Biomarcadores/sangue , Eletrocoagulação , Feminino , Procedimentos Cirúrgicos em Ginecologia/métodos , Modelos Animais , Ratos , Ratos WistarRESUMO
OBJECTIVE: To determine urinary neutrophil gelatinase-associated lipocalin (uNGAL) levels and creatinine clearance values in women with different degrees of asymptomatic hydronephrosis during pregnancy. METHODS: A total of 44 pregnant women with different degrees of hydronephrosis and 46 without hydronephrosis were consecutively enrolled in this prospective study. Basic serum and urine parameters, uNGAL levels, and creatinine clearance values were evaluated. All results were compared between the two groups. Regression analysis was used to determine independent predictors, which were mostly related to hydronephrosis. RESULTS: Demographic data, basal laboratory parameters, and creatinine clearance values were similar, whereas significantly higher uNGAL levels were detected in women with hydronephrosis compared to those without hydronephrosis (45.3 versus 33.2 ng/mL, respectively) (p = 0.004). An increasing trend in uNGAL levels was detected with increasing degrees of hydronephrosis; as it was not statistically significant (p = 0.163). Linear regression analysis revealed that the parameter of "pelvic diameter" was found as a significant independent factor influencing uNGAL concentrations (ß = 0.289; 95% CI: 0.522-3.061; p = 0.006). Other independent variables were not found to influence uNGAL concentrations (p > 0.05). CONCLUSION: The results obtained from this study indicate a significant increase of urinary concentration of NGAL in the presence of asymptomatic maternal hydronephrosis. This impact is likely to be more profound in those with severe hydronephrosis although this has not been specifically investigated. This theory needs to be validated in larger populations.
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Injúria Renal Aguda/urina , Biomarcadores/urina , Hidronefrose/urina , Lipocalina-2/urina , Adulto , Análise de Variância , Estudos de Casos e Controles , Creatinina/metabolismo , Feminino , Idade Gestacional , Humanos , Pelve/patologia , Gravidez , Complicações na Gravidez , Estudos Prospectivos , Análise de Regressão , Índice de Gravidade de Doença , Estatísticas não Paramétricas , Adulto JovemRESUMO
OBJECTIVE: Repeated implantation failure (RIF) is a clinical entity affecting many couples undergoing assisted reproductive technology (ART). Various intrauterine pathologies contribute to RIF. Nevertheless, vaginal sonography and hysterosalpingography, which are the common diagnostic tools for the initial follow-up, have limited sensitivities. In this context, we aimed to evaluate the impact of office hysteroscopy (oHS) on live birth rates (LBRs) when performed prior to subsequent ART cycles in women with a history of RIF. MATERIAL AND METHODS: The database of an assisted reproduction center was retrospectively reviewed to detect eligible cases. A total of 363 women out of 2875 admissions were consecutively included in the analysis, of which 119 formed the oHS group and 244 formed the non-oHS group prior to a new ART cycle. Women in the oHS arm were examined during their early follicular phase via a vaginoscopic approach 1-6 months before the beginning of a new cycle. The standard in-vitro fertilization-intracytoplasmic sperm injection (IVF/ICSI) cycle was applied to all the women. RESULTS: In the oHS group (n=119), 61 patients had intrauterine abnormalities, with an overall abnormality rate of 51.2%. Implantation, pregnancy, and LBRs of the groups were statistically similar. LBRs of the women with abnormal oHS findings (15/61, 24.5%), with normal oHS findings (14/58, 24.1%), and without oHS (39/244, 16%) were statistically similar (p=0.41). CONCLUSION: Unrecognized intrauterine pathologies can be easily detected and concurrently treated during oHS with high success rate. However, a beneficial impact depends on the extent of the pathology and thus, routine application to enhance reproductive outcomes is still not warranted.
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BACKGROUND: Leiomyomas are the most common benign tumors of the uterus. Removal of the prolapsed pedunculated submucous myoma represents a distinct entity. Evaluation and treatment of such cases may need intervention via the hymen.Mini-laparotomic management of a pedunculated submucous myoma while preserving hymen integrity in a virginal patient is described as a safe alternative.. CASE: A 30-year old, nulliparous virgin woman admitted to the outpatient- clinic with the complaint of irregular menstrual bleeding ongoing for three months. Pelvic ultrasound revealed a 5×6 cm solid mass in the cervico-vaginal location that filled the vaginal margins. Due to the patient's consistent desire for preserving hymenal integrity, mini-laparotomic colpotomy was performed and the mass was removed successfully. CONCLUSION: Mini-laparotomic colpotomy, preserving hymen integrity, provides excellent visualization and it is a convenient and effective tool in the management of a cervicovaginal pedunculated submucous myoma.
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Procedimentos Cirúrgicos em Ginecologia/métodos , Complicações na Gravidez , Procedimentos Cirúrgicos Profiláticos/métodos , Prolapso Uterino , Adulto , Parto Obstétrico/métodos , Feminino , Humanos , Imageamento por Ressonância Magnética/métodos , Gravidez , Complicações na Gravidez/diagnóstico , Complicações na Gravidez/fisiopatologia , Complicações na Gravidez/cirurgia , Resultado da Gravidez , Técnicas de Sutura , Nascimento a Termo , Ultrassonografia/métodos , Retenção Urinária/etiologia , Retenção Urinária/terapia , Prolapso Uterino/diagnóstico , Prolapso Uterino/fisiopatologia , Prolapso Uterino/cirurgiaRESUMO
BACKGROUND: P-wave duration helps to determine the risk of atrial arrhythmia, especially atrial fibrillation. QT interval, T peak to end interval (Tp-e), and Tp-e/QT ratio are electrocardiographic indices related to ventricular repolarization which are used to determine the risk of ventricular arrhythmias. We search for any alterations in electrocardiographic indices of arrhythmia in the pregnancy period with respect to trimesters. METHODS: We enrolled 154 pregnant and 62 nonpregnant, healthy women into this cross-sectional study. Maximum and minimum P-wave durations (Pmax, Pmin), and QT intervals (QTmax, QTmin) were measured from 12 leads. QT measurements were corrected using Fridericia (QTc-Fr) and Bazett's (QTc-Bz) correction. Tp-e interval was obtained from the difference between QT interval, and QT peak interval (QTp) measured from the beginning of the QRS until the peak of the T wave. Tp-e/QT ratio was calculated using these measurements. RESULTS: Pmax were 93.0 ± 9.1, 93.9 ± 8.9, 97.9 ± 5.6, 99.0 ± 6.1 in nonpregnant women, first, second, third trimesters of pregnancy, respectively (P = 0.001); whereas Pmin values were not significantly different. QTc-Fr max were 407.4 ± 14.2, 408.5 ± 16.1, 410.1 ± 13.1, 415.1 ± 10.1 (P = 0.007); Tp-e were 72.7 ± 6.2, 73.2 ± 6.5, 77.2 ± 8.9, 87.2 ± 9.6 (P < 0.001); and Tp-e/QT were 0.17 (0.14-0.20), 0.17 (0.14-0.20), 0.18 (0.15-0.23), 0.20 (0.16-0.25) in nonpregnant women, first, second, and third trimesters of pregnancy respectively (P < 0.001). None of the participants experienced any arrhythmic event. CONCLUSIONS: P-wave duration is prolonged in the second trimester, and resumes a plateau thereafter. Maximum QTc interval, Tp-e interval and Tp-e/QT ratio are increased in the late pregnancy. Although these indices are altered during the course of pregnancy, they all remain in the normal ranges.
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Eletrocardiografia/métodos , Eletrocardiografia/estatística & dados numéricos , Sistema de Condução Cardíaco/fisiologia , Frequência Cardíaca/fisiologia , Trimestres da Gravidez , Adolescente , Adulto , Estudos Transversais , Feminino , Humanos , Gravidez , Tempo , Adulto JovemRESUMO
The current study aims to compare cycle outcomes of two ovarian stimulation protocols in poor responders according to the Bologna criteria; luteal estrogen priming (LE) or letrozole (LZ) co-treatment in antagonist protocol. Following retrospective chart review of a single center, 162 cycles were found eligible for the comparison of two ovarian stimulation protocols. After interpreting data, significantly higher serum estradiol levels, longer duration of cycle, higher number of fertilized oocytes and good quality embryos were detected in patients who received LE. Despite any statistical significance, higher clinical pregnancy rate (CPR) and ongoing pregnancy rate (OPR) per embryo transfer (ET) were detected with LE protocol compared with LZ (12.3% versus 18.2% and 9.6% versus 12.7%, respectively). Younger patients (<40 years) revealed higher CPR and OPR per started cycle compared with older patients (≥40 years) where only OPR was statistically significant. Multivariable analysis demonstrated that basal antral follicle count, peak serum estradiol levels and number of fertilized oocytes were independent variables significantly associated with clinical pregnancies (p < 0.05). In the current analysis, LE or LZ protocols revealed comparable but quite low pregnancy rates in poor responders according to the Bologna criteria. Younger patients were more likely to achieve pregnancy compared to older patients with both protocols.
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Estrogênios/uso terapêutico , Fertilização in vitro/métodos , Nitrilas/uso terapêutico , Indução da Ovulação/métodos , Triazóis/uso terapêutico , Adulto , Inibidores da Aromatase , Gonadotropina Coriônica/administração & dosagem , Transferência Embrionária , Estradiol/sangue , Feminino , Hormônio Liberador de Gonadotropina/administração & dosagem , Hormônio Liberador de Gonadotropina/análogos & derivados , Hormônio Liberador de Gonadotropina/antagonistas & inibidores , Humanos , Letrozol , Gravidez , Taxa de Gravidez , Estudos Retrospectivos , Resultado do TratamentoRESUMO
CONTEXT: Efficacy of gonadotropin releasing hormone agonists (GnRH-a) for ovulation in high-responders. AIMS: The aim of the current study is to compare the impact of different GnRH-a doses for the final oocyte maturation on cycle outcomes and ovarian hyperstimulation syndrome (OHSS) rates in high-responder patients undergoing ovarian stimulation. SETTINGS AND DESIGNS: Electronic medical records of a private in vitro fertilization center, a retrospective analysis. SUBJECTS AND METHODS: A total of 77 high-responder cases were detected receiving GnRH-a. Group I consisted of 38 patients who received 1 mg of agonist and Group II consisted of 39 patients who received 2 mg of agonist. STATISTICAL ANALYSIS: In order to compare groups, Student's t-test, Mann-Whitney U-test, Pearson's Chi-square test or Fisher's exact test were used where appropriate. A P < 0.05 was considered as statistically significant. RESULTS: Number of retrieved oocytes (17.5 vs. 15.0, P = 0.510), implantation rates (46% vs. 55.1%, P = 0.419) and clinical pregnancy rates (42.1% vs. 38.5%, P = 0.744) were similar among groups. There were no mild or severe OHSS cases detected in Group I. Only 1 mild OHSS case was detected in Group II. CONCLUSION: A volume of 1 or 2 mg leuprolide acetate yields similar outcomes when used for the final oocyte maturation in high-responder patients.