1,720,988 research outputs found
Transvestibular urethrolysis.
No full textBladder outlet obstruction with obstructive and irritative urinary symptoms may be a complication of surgery for female urinary incontinence. In presence of persistent symptoms the therapy is surgical and usually consists in an accurate urethrolysis. The way of approach is generally transvaginal. In this paper we propose and describe our experience with a transvestibular approach.From 1995 to 2009 18 women who had undergone anti-incontinence surgery (TVT 12 pts, TOT 3 pts, Burch retropubic colposuspension 3 pts) with obstruction and/or irritative symptoms underwent to a transvestibular urethrolysys. Five patients had urinary retention the other patients had post voiding residual urine > 100 ml. With a scalpel blade a circum-meatal incision was performed and the urethra was progressively freed, dissecting just below the os pubis upwards and on the vaginal wall downwards untethering it under direct vision obtaining a complete circular freeing of the urethra; at the end the urethral meatus is repositioned with circular stiches.The operation lasts between 20 and 40 minutes. Urethral catheter was left in place for 24-48 hours and no complications were observed. The post-voiding residual urine decreased in all the cases and the irritative symptoms were reduced.The transvestibular approach represents a safe and effective approach to urethrolysis undependently of the type of anti-incontinence surgey carried out. Urethrolysis has the advantage of working in a relatively unscarred tissue, can allow a complete untethering of the urethra even in the retropubic space and leaves the vaginal wall intact
Lingual mucosal graft urethroplasty for anterior urethral reconstruction. A. SIMONATO, A. GREGORI, C. AMBRUOSI, F. VENZANO, V. VARCA, A. ROMAGNOLI, G. CARMIGNANI, ABSTRACTS XXIII th EAU Congress- Milan, Italy 2008. Eur Urol Supplements
No full textLong-term evaluation of postoperative acromegalic patients in remission with previous and newly proposed criteria
No full textCriteria to define remission of acromegaly have changed over years. Since 2000, criteria for cure are normal IGF-I levels and a nadir GH after oral glucose tolerance test (OGTT) of less than 1 μg/liter, although recent studies have suggested to lower this cutoff value. This study reevaluated long-term disease activity of acromegalic patients, who were previously considered in remission, using these criteria. The study included 70 of 146 patients operated on between 1984 and 1996 who were considered cured based on normal IGF-I levels, GH values less than 2.5 μg/liter, and/or disappearance of abnormal GH response to TRH/GnRH. Among these 70 patients, 16 were lost to follow-up, three died, and 11 (one of whom had disease recurrence) only gave a phone interview. Forty patients participated in the study and were reevaluated for IGF-I levels and post-OGTT GH nadir after 14.3 ± 4.2 (mean ± SD) yr from surgery. In all patients, normal IGF-I levels and a post-OGTT GH nadir of less than 1 μg/liter were found. In particular, 19 patients had a GH nadir of less than 0.19 μg/liter, i.e. the upper limit (mean + 2 SD) found in 30 controls, whereas 21 patients had a nadir between 0.19 and 0.77 μg/liter. No significant differences in hormonal parameters and comorbidities between the two subgroups were observed. These data showed that lowering the post-OGTT GH cutoff value within the normal range does not seem to better discriminate patients with different disease activity or long-term recurrence risk. Copyrigh
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
Use of Solovov - Badenoch principle in treating severe and recurrent vesico-urethral anastomosis stricture after radical retropubic prostatectomy: Technique and long-term results
Full text linkOBJECTIVE: • To report our experience in the management of patients with combined urinary incontinence and stricture after radical prostatectomy with a two-step approach: urethroplasty with a ' pullthrough ' technique after the Solovov - Badenoch principle; and artificial urinary sphincter (AUS) insertion after 8 - 10 months. PATIENTS AND METHODS: • We retrospectively evaluated a cohort of 11 patients treated between September 2001 and January 2010. RESULTS: • There were no intraoperative complications in either procedure. • After urethroplasty one patient was unable to empty the bladder with complete urine retention without urethral stricture (treatment failure). • At 6 months after the urethroplasty 10 patients were completely incontinent and received AUS. • One previously irradiated patient developed urethral erosion 6 months after AUS implantation and underwent complete removal of the device. • After a mean (range) follow-up of 65 (19 - 119) months, nine patients (81.8%) were continent with no post-void residual urine and a perfectly functioning AUS. CONCLUSION: • Our experience with a two-step approach (combined suprapubic/ transperineal redo anastomosis and AUS placement) shows that redo vesico-urethral anastomosis is easier than pure transperineal approaches with good results in restoring patency and that the transperineal step provides a dedicated operative field for AUS implantation with reduced risks of perioperative complications. © 2012 The Authors
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
Dispelling the Myths Behind First-author Citation Counts
Full text linkWe conducted a full-scale evaluative citation analysis study of scholars in the XML research field to explore just how different from each other author rankings resulting from different citation counting methods actually are, and to demonstrate the capability of emerging data and tools on the Web in supporting more realistic citation counting methods. Our results contest some common arguments for the continued
use of first-author citation counts in the evaluation of scholars, such as high correlations between author rankings by first-author citation counts and other citation
counting methods, and high costs of using more realistic citation counting methods that are not well-supported by the ISI databases. It is argued that increasingly available digital full text research papers make it possible for citation analysis studies to go beyond what the ISI databases have directly supported and to employ more
sophisticated methods
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