Laparoscopic technique of modified extraperitoneal (Retrotransversalis) end colostomy for abdominoperineal excision
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01.08.2018 |
Tulina I.
Kitsenko Y.
Ubushiev M.
Efetov S.
Wexner S.
Tsarkov P.
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Colorectal Disease |
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© 2018 The Association of Coloproctology of Great Britain and Ireland. Aim To describe the technique of a modified extraperitoneal retrotransversalis end colostomy as part of a laparoscopic abdominoperineal excision (APR). Method The colostomy site is preoperatively chosen and used intra-operatively for a trocar. After the rectum has been mobilized the descending colon is freed. The peritoneal margin is gently grasped and the parietal peritoneum and extraperitoneal together with the transversalis fascia are separated from the transverse abdominal muscle fibres upwards for 3–4 cm aiming at the trocar site to form the extraperitoneal retrotransversalis canal. The stoma site trocar is partially withdrawn and its head is turned laterally until its tip is positioned in the layer between the abdominal wall muscles and underlying transversalis and extraperitoneal fascia together with the parietal peritoneum. The CO 2 source can be attached so that the gas helps to separate the layers, after which the colostomy trephine is formed at the site of the trocar, the grasper is inserted to gently deliver the blunt end of the descending colon through the canal and the end colostomy is formed in a usual way. Results No procedure-specific complications were noted in 39 patients who had laparoscopic APR with extraperitoneal retrotransversalis end colostomy from 2009 to 2016. In 23 patients who survived for 3.7 ± 1.7 years after surgery there were no clinical or CT signs of parastomal hernia or prolapse. Conclusion This single-institution retrospective case series demonstrates that laparoscopic extraperitoneal retrotransversalis end colostomy is feasible, safe and effective in preventing parastomal hernias and stomal prolapse.
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Prospects of electrochemical urea elimination method for wearable 'artificial kidney'
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13.06.2018 |
Bazaev N.
Zhilo N.
Grinval'D V.
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Proceedings - 2018 Ural Symposium on Biomedical Engineering, Radioelectronics and Information Technology, USBEREIT 2018 |
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© 2018 IEEE. The work is focused on the research of urea elimination possibilities out of the waste dialysis solution by its electro-oxidation on the surface of platinum group metals and carbon materials. The work includes findings of experimental tests of various electrode materials for the specific urea elimination rate in a model solution.
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Quality of life of chronic kidney disease patients on renal replacement therapy
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01.01.2018 |
Milovanov Y.
Dobrosmyslov I.
Milovanova S.
Taranova M.
Milovanova L.
Fomin V.
Kozlov V.
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Terapevticheskii Arkhiv |
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© 2018 Media Sphera Publishing Group. All rights reserved. The study demonstrated the results of the comparative analysis of various types of renal replacement therapy effects on the quality of life patients with terminal stage of chronic kidney disease on the basis of standardized questionnaires. It has been shown that the quality of life is significantly improved after a kidney transplantation. At the same time, it has also been found that the introduction of home dialysis, epoetins, active metabolites of Vitamin D, calcimimetics in the clinic care expanded the opportunities for the labor rehabilitation of the dialysis patients and made their quality of life comparable with the same of the kidney transplant recipients.
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Subcutaneous port systems with intraperitoneal catheter 'BBraun' in combined treatment of advanced stomach cancer
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01.01.2018 |
Chernousov A.
Khorobrykh T.
Vychuzhanin D.
Kharlov N.
Nurutdinov R.
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Khirurgiia |
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Radical prostatectomy performed via robotic, transperitoneal and extraperitoneoscopic approaches: Functional and early oncological outcomes
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01.01.2018 |
Rapoport L.
Yossepowitch O.
Shpot E.
Chinenov D.
Chernov Y.
Yurova M.
Enikeev D.
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Central European Journal of Urology |
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© 2018, Polish Urological Association. All rights reserved. Introduction Oncological remission along with high postoperative functionality [continence and erectile function (EF)] are the main aspects of prostate cancer (PCa) treatment. The aim of this study was to compare functional and oncological treatment results achieved after a nerve-sparing radical prostatectomy (RP) via transperitoneal (TPRP), extraperitoneal (EPRP) and robot-assisted (RARP) approach. Material and methods From March 2015 to March 2016, 507 RP were performed at the Institute for Urology and Reproductive Health (Moscow, Russia). A total of 264 patients with localized (cТ1а–2с) prostate cancer [prostate-specific antigen (PSA) <20 ng/ml, Gleason score ≤7], intact prostate capsule (according to MRI), International Index of Erectile Function (IIEF-5) ≥19 and a life expectancy >10 years were included into the retrospective study. All the surgeries were performed by a single surgeon. The outcomes were evaluated after urethral catheter removal and 3–6–12 months after RP. Results Nerve preservation (NP) was performed for 153 patients without significant distinctions in time (р = 0.064) and blood loss (р = 0.073). The International Consultation on Incontinence Questionnaire-Urinary Incontinence Short Form (ICIQ-SF) score was lower for NP: 9.23 ±6.59 and 3.86 ±5.38 after 3 and 12 months respectively compared with continence after RP without nerve preservation (NP): 14.27 ±5.1 vs. 6.15 ±4.76 (р <0.001). Continent was 52.2% vs. 83.3% vs. 81.8% in TPRP, RARP and EPRP groups; р <0.001. IIEF-5 scores were 14.67 ±9.4, 4.2 ±4.26 and 4.0 ±2.07 after RARP, TPRP and EPRP respectively (р = 0.002). After 12 months the PSA: TPRP = 0.11 ±0.19, RARP = 0.03 ±0.05 and EPRP = 0.53 ±1.87 ng/ml (р <0.001). Outcomes depend on surgical approach and was better in the RARP-group (AUC = 0.768 ±0.034 (CI 95% 0,701–0.834; р <0.001). Conclusions We suggest RARP with NP as a method of choice for treatment of prostate cancer in patients interested in preservation of EF and quality of life in general.
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Serum level and gene polymorphism of interleukin-1?, and efficiency of infertility treatment by in vitro fertilization
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01.01.2018 |
Lapshtaeva A.
Evsegneeva I.
Novikov V.
Sychev I.
Karaulov A.
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Medical Immunology (Russia) |
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© 2018, SPb RAACI Search for novel prognostic criteria predicting successful in vitro fertilization remains a nonresolved problem at the present time. The aim of our study was to analyse a predictive role of IL-1? as an additional marker of pregnancy after in vitro fertilization (IVF). The study included 120 women with tubo-peritoneal infertility subjected to the IVF procedure. Retrospectively, two groups were formed of this cohort, dependent on efficiency of in vitro fertilization. Group I included 40 women with successful pregnancy whereas group II comprised 80 women with failed pregnancy. IL-1? concentrations in serum were detected by ELISA technique. A polymorphic rs1800587 marker at 5`UTR region has been amplified by PCR followed by Sanger sequencing. We have shown IL-1? hyperproduction in the women from group I. The women with effective IVF outcome exhibited positive correlation between IL-1? and luteinizing hormone, prolactin, progesterone, 17-hydroxyprogesterone, dehydroepiandrosterone sulfate levels. The women with ineffective in vitro fertilization have detected a negative correlation between IL-1? levels and anti-Muellerian hormone, a positive correlation of IL-1? with 17-hydroxyprogesterone. The women with T allele of the polymorphic rs1800587 marker at 5`UTR region have shown a 2.5-fold higher chance to become pregnant after IVF than the women carrying C allele (95% CI = [1.45-4.35], ? = 0.0009). The women with T/T genotype exhibited a positive correlation between IL-1? and estradiol, testosterone; the subjects with heterozygous C/T genotype showed correlation with estradiol, and those harboring C/C genotype exhibited correlation with follicle-stimulating hormone. The revealed changes suggest a potential involvement of IL-1? into regulation of cyclic processes in the ovary including ovulation. Moreover, IL-1? may participate in formation of pro-inflammatory environment for successful blastocyst implantation.
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