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Vicente Pla-Martí,Jose Martín-Arévalo,Rosa Martí-Fernández,David Moro-Valdezate,Stephanie García-Botello,Alejandro Espí-Macías,Miguel Mínguez-Pérez,Maria Dolores Ruiz-Carmona,Jose Vicente Roig-Vila 대한대장항문학회 2022 Annals of Coloproctolgy Vol.38 No.1
Purpose: This study was performed to evaluate the long-term evolution of continence and patient’s quality of life after surgical treatment for obstetric fecal incontinence. Methods: A prospective longitudinal study was conducted including consecutive patients who underwent sphincteroplasty for severe obstetric fecal incontinence. The first phase analyzed changes in continence and impact on quality of life. The second phase studied the long-term evolution reevaluating the same group of patients 6 years later. Degree of fecal incontinence was calculated using the Cleveland Clinic Score (CCS). Quality of life assessment was carried out with the Fecal Incontinence Quality of Life scale. Results: Thirty-five patients with median age of 55 years (range, 28 to 73 years) completed the study. Phase 1 results: after a postoperative follow-up of 30 months (4 to 132 months), CCS had improved significantly from a preoperative of 15.7±3.1 to 6.1±5.0 (P<0.001). Phase 2 results: median follow-up in phase 2 was 110 months (76 to 204 months). The CCS lowered to 8.4±4.9 (P=0.04). There were no significant differences between phases 1 and 2 in terms of quality of life; lifestyle (3.47± 0.75 vs. 3.16±1.04), coping/behavior (3.13±0.83 vs. 2.80±1.09), depression/self-perception (3.65±0.80 vs. 3.32± 0.98), and embarrassment (3.32±0.90 vs. 3.12±1.00). Conclusion: Sphincteroplasty offers good short-medium term outcomes in continence and quality of life for obstetric fecal incontinence treatment. Functional clinical results deteriorate over time but did not impact on patients’ quality of life.
Value Extrapolation Technique to Solve Retrial Queues: A Comparative Perspective
Jose Manuel Gimenez-Guzman,Ma Jose Domenech-Benlloch,Vicent Pla,Vicente Casares-Giner,Jorge Martinez-Bauset 한국전자통신연구원 2008 ETRI Journal Vol.30 No.3
While the retrial phenomenon plays an important role in communication networks and should not be ignored, retrial systems do not present an exact analytic solution, so approximate techniques are required. To the best of our knowledge, all the existing techniques are based on computing the steady states probabilities. We propose another approach based on the relative state values which appear in the Howard equations. The results of the numerical evaluation carried out show that this solution outperforms previous approaches in terms of both accuracy and computation time.