1,721,009 research outputs found
A novel low uterine segment sandwich technique (Caliskan's technique) for the management of post-cesarean hemorrhage due to placenta previa accreta
No full textCaliskan, Eray/0000-0002-6799-5909Objective: Placenta previa (PP) and placenta accreta spectrum (PAS) disorders are major causes of postpartum hemorrhage (PPH). There is a variety of surgical management options with inexplicit reported success rates. Uterine sandwich is a combination of uterine compression sutures and intrauterine balloon placement to achieve hemostasis. The aim of this study was to present our experience of seven women managed with a novel "lower uterine sandwich" technique to control post-cesarean hemorrhage due to PP accreta. Materials and Methods: Seven pregnant women diagnosed as having PP totalis accreta underwent a post-cesarean procedure combining bilateral ligation of the uterine artery, utero-ovarian artery, and internal iliac artery, Pereira compression sutures implemented on the uterine isthmus, Foley catheter placement into the lower uterine segment, and transvaginal cervical cerclage application, namely "Caliskan's uterine sandwich technique". Results: All women included in this study had placental invasion abnormalities of varying degrees. Postoperative diffusion magnetic resonance imaging assessment revealed a completely normal and preserved uterine blood supply. All women menstruated regularly in their postoperative follow-up period and two women conceived again and delivered uneventfully. None of the patients experienced morbid complications nor required hysterectomy. Conclusion: This novel procedure appears to be a plausible fertility and organ-preserving option in cases of intractable PPH, particularly in lower uterine segment bleeding. This uterine sandwich technique may allow physicians to manage massive hemorrhage due to PAS conservatively by preserving the uterus and its functions without major complications
Effects of laparoscopic cystectomy on ovarian reserve in patients with endometrioma and dermoid cyst
No full textdemircan, sinem/0000-0002-2908-4530; Caliskan, Eray/0000-0002-6799-5909Objective: To compare the effects of laparoscopic cystectomy on ovarian reserve between women with endometrioma and dermoid cyst. Materials and Methods: Thirty-six patients were diagnosed as having endometrioma (group A) and 32 patients with dermoid cyst (group B) using ultrasonography. Preoperative anti-mullerian hormone (AMH) levels were measured and unilateral antral follicle counts (AFC) were calculated for the ovary side containing the cyst. Laparoscopic cystectomy was performed using the stripping technique for all participants. After 3 months, all participants were re-evaluated between the third and sixth day of their menstrual cycle to determine AFC and AMH levels. Results: The mean serum preoperative AMH level and AFC level were significantly lower in group A than in group B (p=0.001, p=0.002), respectively. At 3 months after the surgery, serum AMH levels decreased significantly in group A from 2.04 +/- 0.68 to 1.47 +/- 0.55 (p=0.001), and from 2.60 +/- 0.57 to 2.17 +/- 0.56 in group B (p=0.001). In group A, unilateral (operated side) AFC levels decreased significantly from 4.05 +/- 1.24 to 2.16 +/- 0.94 (p=0.001), and in group B, it decreased significantly from 4.93 +/- 0.94 to 3.40 +/- 0.87 (p=0.001). The decrease in AMH levels was significantly higher in group A than in group B (p=0.033). The decrease in AFC levels was also significantly higher in group A than in group B (p=0.044). Conclusion: Laparoscopic stripping has destructive effects on serum AMH levels and the operated side AFC levels after surgery for patients with endometrioma and dermoid cysts, and laparoscopic excision of endometrioma has more destructive effects on ovarian reserve than dermoid cysts
Labiaplasty Outcomes and Complications in Turkish Women: A Multicentric Study
No full textKole, Emre/0000-0002-4940-8862; Cakir kole, Merve/0000-0002-9330-3363; Caliskan, Eray/0000-0002-6799-5909Introduction and HypothesisWe aimed to evaluate the outcomes, complication rates, and complication types of different labiaplasty techniques.MethodsIn this cross-sectional retrospective study, a total of 2,594 patients who underwent surgery owing to hypertrophy or asymmetry of the labium minus were retrospectively analyzed. Data were collected by individual interviews with 43 experts from different centers. The patients were between 18 and 50 years of age. During the interview information about the presence and nature of complications, and about concomitant or revision surgeries, were gathered. The surgeons who performed these surgeries were also questioned about their training and surgical experience.ResultsThe most frequently observed complication was complete dehiscence, accounting for 29% of all complications. Complete dehiscence was most commonly seen after wedge resection (16 cases). The second most common complication was labium majus hematoma, accounting for 12.5% of all cases. Among the labiaplasty techniques, wedge resection had the highest complication rate at 3% (26 cases out of 753 patients). This was followed by composite labiaplasty at 1.2% (5 cases out of 395 patients), Z-plasty at 0.8% (1 case out of 123 patients), and trimming labiaplasty at 0.5% (7 cases out of 1,323 patients).ConclusionConsidering the heterogeneity and low quality of the existing studies on this subject, this study provides valuable information for surgeons practicing in this field. However, further research is clearly warranted as female genital aesthetic procedures are being performed with a steadily increasing trend
Searching for radiologic and histologic evidence on live vaginal tissue: Does the G-spot exist?
No full textCaliskan, Eray/0000-0002-6799-5909; SIVASLIOGLU, AHMET AKIN/0000-0003-3711-0118; DERE, YELDA/0000-0003-0238-2236; KECE, AYAVAR CEM/0000-0001-5376-3691Objective: There is a growing debate on the existence of the G-spot. G-spot amplification by various surgical interventions has become mainstream for esthetic vaginal surgery despite a lack of conclusive proof of the G-spot. The aim of this study was to search for histologic evidence in regions of so-called hyperintense focus (HF) (considered as the G-spot) using magnetic resonance imaging (MRI) mapping and biopsied tissues. Materials and Methods: Fifteen patients who had grade 2 or higher anterior compartment defects were enrolled in the study. All patients were subjected to MRI. When a HF was seen, its localization, dimensions, and distances to adjacent structures were measured in images. Dissections in the anterior vaginal wall were performed in accordance with the measurements derived from MRI and tissue measuring 0.5x0.5 cm was biopsied from the determined HF. Results: An HF was determined in MRI of three (20%) patients. However, no significant neurovascular tissue density was observed histologically in any of the biopsy specimens obtained from the surgical dissections under the guidance of MRI mapping. Conclusion: Our findings denote that there is no G-spot in the anterior vaginal wall
Cumulative Summation Test for Learning Curve in Vaginal Tightening
No full textYüksel Aybek, Özlem/0000-0003-0332-496X; Caliskan, Eray/0000-0002-6799-5909;Introduction and HypothesisThe objective was to evaluate the learning curve of vaginoplasty procedures performed by two trainees with different levels of experience using the Learning Curve Cumulative Summation (LC-CUSUM) method.MethodsThis prospective study included 80 consecutive vaginoplasty cases performed by two trainees after structured theoretical and hands-on training. Trainee 1 was a senior resident in the third year of the Obstetrics and Gynecology specialty training program, with no prior experience in urogynecological surgery, whereas Trainee 2 was a certified specialist with a relevant surgical background. Both trainees were evaluated using LC-CUSUM parameters based on predefined acceptable (10%) and unacceptable (17.5%) failure rates. The number of procedures required to reach competency was recorded.ResultsTrainee 1 reached the predefined performance level after 27 procedures, whereas Trainee 2 achieved it after 14. No major complications occurred. The LC-CUSUM curves confirmed gradual and safe skill acquisition in both cases. Patient satisfaction scores were high in both groups, with no statistically significant differences in complication rates.ConclusionThe LC-CUSUM method provides an objective and individualized tool to assess surgical competence in vaginoplasty. It enables dynamic monitoring of learning curves and may contribute to safer surgical training, especially in procedures where experience heavily influences outcomes
Platelet-rich plasma administration to the lower anterior vaginal wall to improve female sexuality satisfaction
Full text linkKaragun, Ebru/0000-0002-5032-7429; Caliskan, Eray/0000-0002-6799-5909; ELLIBES KAYA, ASKI/0000-0002-1323-7416WOS: 000518406200006PubMed: 32231853Objective: To investigate the effect of platelet-rich plasma (PRP) injection to the lower one-third of the anterior vaginal wall on sexual function, orgasm, and genital perception in women with sexual dysfunction. Materials and Methods: Four sessions of PRP were administered to the anterior vaginal wall of 52 female patients with sexual dysfunction and orgasmic disorder [Female Sexual Function Index (FSFI) total score <= 26 orgasmic subdomain score <= 3.75]. Prior to the PRP administrations in each session, the FSFI validated in Turkish, the Female Genital Self-Image Scale (FGSIS), the Female Sexual Distress Scale-Revised (FSDS-R), and Rosenberg's Self-Esteem Scale were used and in the final follow-up, and the Patient Global Impression of Improvement (PGI-I) was performed and the results were analyzed. Results: Following the application of the PRP, the total FSFI score was observed as 27.88 +/- 4.80 and the total score was 26 and above in 50% of the patients (p<0.001). Orgasm subdomain scores were found as 2.11 +/- 1.20 before the PRP treatment and 4.48 +/- 1.14 afterwards (p<0.001). A significant change was observed in all sub-domains after PRP and it was observed that this change started after the first administration (p<0.001). A statistically significant increase was determined in FGSIS genital perception scores, which was significant between the and 2nd months (p<0.001). The FSDS-R scores showed a minimal increase in stress scores as the application number increased, but a statistically significant decrease was observed in the 4th administration (p<0.001). No statistically significant difference was found in Rosenberg Scale scores before and after treatment (p=0.389). High satisfaction was found in PGI-I scores. Conclusion: As a minimally invasive method, PRP administration to the distal anterior vaginal wall may improve female sexuality with high satisfaction
Going Beyond Counting First Authors in Author Co-citation Analysis
Full text linkThe present study examines one of the fundamental aspects of author co-citation analysis (ACA) - the way co-citation
counts are defined. Co-citation counting provides the data on which all subsequent statistical analyses and mappings
are based, and we compare ACA results based on two different types of co-citation counting - the traditional type that
only counts the first one among a cited work's authors on the one hand and a non-traditional type that takes into
account the first 5 authors of a cited work on the other hand. Results indicate that the picture produced through this non-traditional author co-citation counting contains more coherent author groups and is therefore considerably clearer. However, this picture represents fewer specialties in the research field being studied than that produced through the traditional first-author co-citation counting when the same number of top-ranked authors is selected and analyzed. Reasons for these effects are discussed
Variations on the Author
Full text link“Variations on the Author” discusses two of Eduardo Coutinho’s recent films (Um Dia na Vida, from 2010, and Últimas Conversas, posthumously released in 2015) and their contribution to the general question of documentary authorship. The director’s filmography is characterized by a consistent yet self-effacing form of authorial self-inscription: Coutinho often features as an interviewer that rather than express opinions propels discourses; an interviewer that is good at listening. This mode of self-inscription characterizes him as an author who is not expressive but who is nonetheless markedly present on the screen. In Um Dia na Vida, however, Coutinho is completely absent form the image, while Últimas Conversas, on the contrary, includes a confessional prologue that moves the director from the margins to the center of his films. This article examines the ways in which these works stand out in the filmography of a director who offers new insights into the notion of cinematic authorship
Appropriate Similarity Measures for Author Cocitation Analysis
Full text linkWe provide a number of new insights into the methodological discussion about author cocitation analysis. We first argue that the use of the Pearson correlation for measuring the similarity between authors’ cocitation profiles is not very satisfactory. We then discuss what kind of similarity measures may be used as an alternative to the Pearson correlation. We consider three similarity measures in particular. One is the well-known cosine. The other two similarity measures have not been used before in the bibliometric literature. Finally, we show by means of an example that our findings have a high practical relevance.information science;Pearson correlation;cosine;similarity measure;author cocitation analysis
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