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Effects of empagliflozin on progression of chronic kidney disease: a prespecified secondary analysis from the empa-kidney trial. Lancet Diabetes Endocrinol 2024; 12:39-50. [PMID: 38061371 PMCID: PMC7615591 DOI: 10.1016/s2213-8587(23)00321-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/05/2023] [Revised: 10/24/2023] [Accepted: 10/25/2023] [Indexed: 12/23/2023]
Abstract
BACKGROUND Sodium-glucose co-transporter-2 (SGLT2) inhibitors reduce progression of chronic kidney disease and the risk of cardiovascular morbidity and mortality in a wide range of patients. However, their effects on kidney disease progression in some patients with chronic kidney disease are unclear because few clinical kidney outcomes occurred among such patients in the completed trials. In particular, some guidelines stratify their level of recommendation about who should be treated with SGLT2 inhibitors based on diabetes status and albuminuria. We aimed to assess the effects of empagliflozin on progression of chronic kidney disease both overall and among specific types of participants in the EMPA-KIDNEY trial. METHODS EMPA-KIDNEY, a randomised, controlled, phase 3 trial, was conducted at 241 centres in eight countries (Canada, China, Germany, Italy, Japan, Malaysia, the UK, and the USA), and included individuals aged 18 years or older with an estimated glomerular filtration rate (eGFR) of 20 to less than 45 mL/min per 1·73 m2, or with an eGFR of 45 to less than 90 mL/min per 1·73 m2 with a urinary albumin-to-creatinine ratio (uACR) of 200 mg/g or higher. We explored the effects of 10 mg oral empagliflozin once daily versus placebo on the annualised rate of change in estimated glomerular filtration rate (eGFR slope), a tertiary outcome. We studied the acute slope (from randomisation to 2 months) and chronic slope (from 2 months onwards) separately, using shared parameter models to estimate the latter. Analyses were done in all randomly assigned participants by intention to treat. EMPA-KIDNEY is registered at ClinicalTrials.gov, NCT03594110. FINDINGS Between May 15, 2019, and April 16, 2021, 6609 participants were randomly assigned and then followed up for a median of 2·0 years (IQR 1·5-2·4). Prespecified subgroups of eGFR included 2282 (34·5%) participants with an eGFR of less than 30 mL/min per 1·73 m2, 2928 (44·3%) with an eGFR of 30 to less than 45 mL/min per 1·73 m2, and 1399 (21·2%) with an eGFR 45 mL/min per 1·73 m2 or higher. Prespecified subgroups of uACR included 1328 (20·1%) with a uACR of less than 30 mg/g, 1864 (28·2%) with a uACR of 30 to 300 mg/g, and 3417 (51·7%) with a uACR of more than 300 mg/g. Overall, allocation to empagliflozin caused an acute 2·12 mL/min per 1·73 m2 (95% CI 1·83-2·41) reduction in eGFR, equivalent to a 6% (5-6) dip in the first 2 months. After this, it halved the chronic slope from -2·75 to -1·37 mL/min per 1·73 m2 per year (relative difference 50%, 95% CI 42-58). The absolute and relative benefits of empagliflozin on the magnitude of the chronic slope varied significantly depending on diabetes status and baseline levels of eGFR and uACR. In particular, the absolute difference in chronic slopes was lower in patients with lower baseline uACR, but because this group progressed more slowly than those with higher uACR, this translated to a larger relative difference in chronic slopes in this group (86% [36-136] reduction in the chronic slope among those with baseline uACR <30 mg/g compared with a 29% [19-38] reduction for those with baseline uACR ≥2000 mg/g; ptrend<0·0001). INTERPRETATION Empagliflozin slowed the rate of progression of chronic kidney disease among all types of participant in the EMPA-KIDNEY trial, including those with little albuminuria. Albuminuria alone should not be used to determine whether to treat with an SGLT2 inhibitor. FUNDING Boehringer Ingelheim and Eli Lilly.
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T, Tamori Y, Tamura R, Tamura Y, Tan CHH, Tan EZZ, Tanabe A, Tanabe K, Tanaka A, Tanaka A, Tanaka N, Tang S, Tang Z, Tanigaki K, Tarlac M, Tatsuzawa A, Tay JF, Tay LL, Taylor J, Taylor K, Taylor K, Te A, Tenbusch L, Teng KS, Terakawa A, Terry J, Tham ZD, Tholl S, Thomas G, Thong KM, Tietjen D, Timadjer A, Tindall H, Tipper S, Tobin K, Toda N, Tokuyama A, Tolibas M, Tomita A, Tomita T, Tomlinson J, Tonks L, Topf J, Topping S, Torp A, Torres A, Totaro F, Toth P, Toyonaga Y, Tripodi F, Trivedi K, Tropman E, Tschope D, Tse J, Tsuji K, Tsunekawa S, Tsunoda R, Tucky B, Tufail S, Tuffaha A, Turan E, Turner H, Turner J, Turner M, Tuttle KR, Tye YL, Tyler A, Tyler J, Uchi H, Uchida H, Uchida T, Uchida T, Udagawa T, Ueda S, Ueda Y, Ueki K, Ugni S, Ugwu E, Umeno R, Unekawa C, Uozumi K, Urquia K, Valleteau A, Valletta C, van Erp R, Vanhoy C, Varad V, Varma R, Varughese A, Vasquez P, Vasseur A, Veelken R, Velagapudi C, Verdel K, Vettoretti S, Vezzoli G, Vielhauer V, Viera R, Vilar E, Villaruel S, Vinall L, Vinathan J, Visnjic M, Voigt E, von-Eynatten M, Vourvou M, Wada J, Wada J, Wada T, Wada Y, Wakayama K, Wakita Y, Wallendszus K, Walters T, Wan Mohamad WH, Wang L, Wang W, Wang X, Wang X, Wang Y, Wanner C, Wanninayake S, Watada H, Watanabe K, Watanabe K, Watanabe M, Waterfall H, Watkins D, Watson S, Weaving L, Weber B, Webley Y, Webster A, Webster M, Weetman M, Wei W, Weihprecht H, Weiland L, Weinmann-Menke J, Weinreich T, Wendt R, Weng Y, Whalen M, Whalley G, Wheatley R, Wheeler A, Wheeler J, Whelton P, White K, Whitmore B, Whittaker S, Wiebel J, Wiley J, Wilkinson L, Willett M, Williams A, Williams E, Williams K, Williams T, Wilson A, Wilson P, Wincott L, Wines E, Winkelmann B, Winkler M, Winter-Goodwin B, Witczak J, Wittes J, Wittmann M, Wolf G, Wolf L, Wolfling R, Wong C, Wong E, Wong HS, Wong LW, Wong YH, Wonnacott A, Wood A, Wood L, Woodhouse H, Wooding N, Woodman A, Wren K, Wu J, Wu P, Xia S, Xiao H, Xiao X, Xie Y, Xu C, Xu Y, Xue H, Yahaya H, Yalamanchili H, Yamada A, Yamada N, Yamagata K, Yamaguchi M, Yamaji Y, Yamamoto A, Yamamoto S, Yamamoto S, Yamamoto T, Yamanaka A, Yamano T, Yamanouchi Y, Yamasaki N, Yamasaki Y, Yamasaki Y, Yamashita C, Yamauchi T, Yan Q, Yanagisawa E, Yang F, Yang L, Yano S, Yao S, Yao Y, Yarlagadda S, Yasuda Y, Yiu V, Yokoyama T, Yoshida S, Yoshidome E, Yoshikawa H, Young A, Young T, Yousif V, Yu H, Yu Y, Yuasa K, Yusof N, Zalunardo N, Zander B, Zani R, Zappulo F, Zayed M, Zemann B, Zettergren P, Zhang H, Zhang L, Zhang L, Zhang N, Zhang X, Zhao J, Zhao L, Zhao S, Zhao Z, Zhong H, Zhou N, Zhou S, Zhu D, Zhu L, Zhu S, Zietz M, Zippo M, Zirino F, Zulkipli FH. Impact of primary kidney disease on the effects of empagliflozin in patients with chronic kidney disease: secondary analyses of the EMPA-KIDNEY trial. Lancet Diabetes Endocrinol 2024; 12:51-60. [PMID: 38061372 DOI: 10.1016/s2213-8587(23)00322-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/05/2023] [Revised: 10/24/2023] [Accepted: 10/25/2023] [Indexed: 12/23/2023]
Abstract
BACKGROUND The EMPA-KIDNEY trial showed that empagliflozin reduced the risk of the primary composite outcome of kidney disease progression or cardiovascular death in patients with chronic kidney disease mainly through slowing progression. We aimed to assess how effects of empagliflozin might differ by primary kidney disease across its broad population. METHODS EMPA-KIDNEY, a randomised, controlled, phase 3 trial, was conducted at 241 centres in eight countries (Canada, China, Germany, Italy, Japan, Malaysia, the UK, and the USA). Patients were eligible if their estimated glomerular filtration rate (eGFR) was 20 to less than 45 mL/min per 1·73 m2, or 45 to less than 90 mL/min per 1·73 m2 with a urinary albumin-to-creatinine ratio (uACR) of 200 mg/g or higher at screening. They were randomly assigned (1:1) to 10 mg oral empagliflozin once daily or matching placebo. Effects on kidney disease progression (defined as a sustained ≥40% eGFR decline from randomisation, end-stage kidney disease, a sustained eGFR below 10 mL/min per 1·73 m2, or death from kidney failure) were assessed using prespecified Cox models, and eGFR slope analyses used shared parameter models. Subgroup comparisons were performed by including relevant interaction terms in models. EMPA-KIDNEY is registered with ClinicalTrials.gov, NCT03594110. FINDINGS Between May 15, 2019, and April 16, 2021, 6609 participants were randomly assigned and followed up for a median of 2·0 years (IQR 1·5-2·4). Prespecified subgroupings by primary kidney disease included 2057 (31·1%) participants with diabetic kidney disease, 1669 (25·3%) with glomerular disease, 1445 (21·9%) with hypertensive or renovascular disease, and 1438 (21·8%) with other or unknown causes. Kidney disease progression occurred in 384 (11·6%) of 3304 patients in the empagliflozin group and 504 (15·2%) of 3305 patients in the placebo group (hazard ratio 0·71 [95% CI 0·62-0·81]), with no evidence that the relative effect size varied significantly by primary kidney disease (pheterogeneity=0·62). The between-group difference in chronic eGFR slopes (ie, from 2 months to final follow-up) was 1·37 mL/min per 1·73 m2 per year (95% CI 1·16-1·59), representing a 50% (42-58) reduction in the rate of chronic eGFR decline. This relative effect of empagliflozin on chronic eGFR slope was similar in analyses by different primary kidney diseases, including in explorations by type of glomerular disease and diabetes (p values for heterogeneity all >0·1). INTERPRETATION In a broad range of patients with chronic kidney disease at risk of progression, including a wide range of non-diabetic causes of chronic kidney disease, empagliflozin reduced risk of kidney disease progression. Relative effect sizes were broadly similar irrespective of the cause of primary kidney disease, suggesting that SGLT2 inhibitors should be part of a standard of care to minimise risk of kidney failure in chronic kidney disease. FUNDING Boehringer Ingelheim, Eli Lilly, and UK Medical Research Council.
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Salmaso C, Toniolo I, Fontanella CG, Da Roit P, Albanese A, Polese L, Stefanini C, Foletto M, Carniel EL. Computational Tools for the Reliability Assessment and the Engineering Design of Procedures and Devices in Bariatric Surgery. Ann Biomed Eng 2020; 48:2466-2483. [PMID: 32472365 DOI: 10.1007/s10439-020-02542-9] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2020] [Accepted: 05/27/2020] [Indexed: 01/10/2023]
Abstract
Obesity is one of the main health concerns worldwide. Bariatric Surgery (BS) is the gold standard treatment for severe obesity. Nevertheless, unsatisfactory weight loss and complications can occur. The efficacy of BS is mainly defined on experiential bases; therefore, a more rational approach is required. The here reported activities aim to show the strength of experimental and computational biomechanics in evaluating stomach functionality depending on bariatric procedure. The experimental activities consisted in insufflation tests on samples of swine stomach to assess the pressure-volume behaviour both in pre- and post-surgical configurations. The investigation pertained to two main bariatric procedures: adjustable gastric banding (AGB) and laparoscopic sleeve gastrectomy (LSG). Subsequently, a computational model of the stomach was exploited to validate and to integrate results from experimental activities, as well as to broad the investigation to a wider scenario of surgical procedures and techniques. Furthermore, the computational approach allowed analysing stress and strain fields within stomach tissues because of food ingestion. Such fields elicit mechanical stimulation of gastric receptors, contributing to release satiety signals. Pressure-volume curves assessed stomach capacity and stiffness according to the surgical procedure. Both AGB and LSG proved to reduce stomach capacity and to increase stiffness, with markedly greater effect for LSG. At an internal pressure of 5 kPa, outcomes showed that in pre-surgical configuration the inflated volume was about 1000 mL, after AGB the inflated volume was slightly lower, while after LSG it fell significantly, reaching 100 mL. Computational modelling techniques showed the influence of bariatric intervention on mechanical stimulation of gastric receptors due to food ingestion. AGB markedly enhanced the mechanical stimulation within the fundus region, while LSG significantly reduced stress and strain intensities. Further computational investigations revealed the potentialities of hybrid endoscopic procedures to induce both reduction of stomach capacity and enhancement of gastric receptors mechanical stimulation. In conclusion, biomechanics proved to be useful for the investigation of BS effects. Future exploitations of the biomechanical methods may largely improve BS reliability, efficacy and penetration rate.
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Affiliation(s)
- C Salmaso
- Centre for Mechanics of Biological Materials, University of Padova, Padua, Italy
- Department of Industrial Engineering, University of Padova, Via Venezia, 1, 35131, Padua, Italy
| | - I Toniolo
- Centre for Mechanics of Biological Materials, University of Padova, Padua, Italy.
- Department of Industrial Engineering, University of Padova, Via Venezia, 1, 35131, Padua, Italy.
| | - C G Fontanella
- Centre for Mechanics of Biological Materials, University of Padova, Padua, Italy
- Department of Industrial Engineering, University of Padova, Via Venezia, 1, 35131, Padua, Italy
| | - P Da Roit
- Department of Industrial Engineering, University of Padova, Via Venezia, 1, 35131, Padua, Italy
| | - A Albanese
- Department of Surgery, Oncology and Gastroenterology, University of Padova, Padua, Italy
| | - L Polese
- Centre for Mechanics of Biological Materials, University of Padova, Padua, Italy
- Department of Surgery, Oncology and Gastroenterology, University of Padova, Padua, Italy
| | - C Stefanini
- The BioRobotics Institute, Scuola Superiore Sant'Anna, Pisa, Italy
| | - M Foletto
- Centre for Mechanics of Biological Materials, University of Padova, Padua, Italy
- Department of Surgery, Oncology and Gastroenterology, University of Padova, Padua, Italy
| | - E L Carniel
- Centre for Mechanics of Biological Materials, University of Padova, Padua, Italy
- Department of Industrial Engineering, University of Padova, Via Venezia, 1, 35131, Padua, Italy
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Rodella L, Capezzuto E, De Palma G, Maurano A, Geraci G, Golia M, Marciano E, Polese L, Ricco G, Trentino P, Nikonov E, Kashin S. COVID-19 pandemic: Practical advice for Endoscopy Units. Mistakes to be avoided. Experience of the Italian North-Eastern Venetian Region. Dok gastroenterol 2020; 9:5. [DOI: 10.17116/dokgastro202090215] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/08/2023]
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Bressan A, Marini L, Michelotto M, Frigo AC, Da Dalt G, Merigliano S, Polese L. Risk factors including the presence of inflammation at the resection margins for colorectal anastomotic stenosis following surgery for diverticular disease. Colorectal Dis 2018; 20:923-930. [PMID: 29706003 DOI: 10.1111/codi.14240] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/21/2017] [Accepted: 04/09/2018] [Indexed: 02/08/2023]
Abstract
AIM The aim of this study was to investigate risk factors for anastomotic stenosis in patients operated on for diverticular disease. Histological inflammation and diverticula at the resection margins were also considered. METHOD Patients' characteristics, the surgical technique and postoperative complications were collected from the medical records. Anastomotic stenoses were evaluated prospectively by rigid sigmoidoscopy during follow-up examination. Histological specimens were examined by a single pathologist who investigated inflammation and diverticula at the resection margins. Twenty patients with anastomotic colorectal stenosis from a single tertiary centre were compared with 24 consecutive patients without stenosis. They were all operated on for diverticular disease over a specified time period. RESULTS Histological inflammation and diverticula were found in 25% and 30% of the resection margins respectively. Univariate analysis showed that age > 71 years (P = 0.0002), female gender (P = 0.0069) and anastomoses located below 12 cm from the anal verge (P = 0.020) were risk factors for stenosis. No correlation was found between anastomotic stenosis and the presence of histological inflammation or diverticula at the resection margins. By multivariate analysis, only age > 71 years was found to be a statistically significant risk factor for stenosis (P = 0.0003, OR = 60.8, 95% CI: 6.4-575.5). CONCLUSION Anastomotic stenosis is a frequent, long-term complication following surgery for diverticular disease. An analysis demonstrated that age is a risk factor for colorectal stenosis and that histological inflammation and the presence of diverticula near/at the resection margins have no effect on the incidence of stenosis.
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Affiliation(s)
- A Bressan
- Department of Surgery, Oncology and Gastroenterology, Third Surgical Clinic, University of Padua, Padua, Italy
| | - L Marini
- Department of Surgery, Oncology and Gastroenterology, Third Surgical Clinic, University of Padua, Padua, Italy
| | - M Michelotto
- Surgical Pathology and Cytopathology Unit, Department of Medicine, University of Padua, Padua, Italy
| | - A C Frigo
- Department of Cardiac, Thoracic and Vascular Science, University of Padua, Padua, Italy
| | - G Da Dalt
- Department of Surgery, Oncology and Gastroenterology, Third Surgical Clinic, University of Padua, Padua, Italy
| | - S Merigliano
- Department of Surgery, Oncology and Gastroenterology, Third Surgical Clinic, University of Padua, Padua, Italy
| | - L Polese
- Department of Surgery, Oncology and Gastroenterology, Third Surgical Clinic, University of Padua, Padua, Italy
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Polese L, Lezoche E, Porzionato A, Lezoche G, Da Dalt G, Macchi V, Stecco C, De Caro R, Norberto L, Merigliano S. Transanal ileoproctostomy is feasible in human cadavers. Colorectal Dis 2014; 16:O367-9. [PMID: 24916474 DOI: 10.1111/codi.12684] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/27/2014] [Accepted: 04/28/2014] [Indexed: 02/08/2023]
Abstract
AIM An ileorectal bypass performed entirely through a transanal route has recently been described in an animal model. The present study aimed to demonstrate its technical feasibility in four human cadavers. METHOD A transanal endoscopic microsurgery (TEM) device and endoscopic instruments were used. The principal steps of the procedure included insertion of the TEM device, rectostomy above the peritoneal reflection, peritoneoscopy using a standard gastroscope and delivery of the small bowel through the proctostomy to perform an anastomosis. RESULTS The procedure was successfully completed using transanal access in all cases. The mean procedure time was 90 min. The bypass was patent, and the anastomosis between the intraperitoneal rectum and the terminal ileum was leakproof. CONCLUSION Transanal ileoproctostomy is technically feasible in human cadavers. The procedure may become an alternative to stoma formation in selected patients with colonic obstruction.
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Affiliation(s)
- L Polese
- Department of Surgery, Oncology and Gastroenterology, University of Padova, Padova, Italy
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Polese L, Vecchiato M, Frigo AC, Sarzo G, Cadrobbi R, Rizzato R, Bressan A, Merigliano S. Risk factors for colorectal anastomotic stenoses and their impact on quality of life: what are the lessons to learn? Colorectal Dis 2012; 14:e124-8. [PMID: 21910814 DOI: 10.1111/j.1463-1318.2011.02819.x] [Citation(s) in RCA: 55] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
AIM The aim of the study was to analyse the incidence of benign colorectal anastomotic stenoses in consecutive patients operated on in a single institution and to assess risk factors for their development. Their impact on quality of life was also evaluated. METHOD Patient characteristics, indications for surgery, surgical technique and postoperative complications were prospectively recorded. Stenosis was evaluated by rectoscopy at regular intervals, and patients were treated only if symptomatic. After at least 6 months following surgery, patients were asked to respond to the Short Form 36-item quality-of-life questionnaire during a telephone interview. RESULTS Of the original 211 patients considered, 195 underwent a follow-up rectoscopy and were included in the study. Benign stenosis were found in 26 (13%), and 19 (73%) symptomatic patients were treated successfully (15 with endoscopic dilatation and four with radial diathermic surgical incisions). Risk factors for anastomotic stenosis according to univariate analysis were female sex, diverticulitis, mechanical anastomosis, and anastomosis located between 8 and 12 cm from the anal verge. The significant risk factors identified by multivariate analysis were diverticulitis (OR 5, P=0.002) and mechanical anastomosis (OR 9, P=0.04). The self-perceived quality of life of patients with stenosis was significantly worse compared with controls. CONCLUSION Since diverticulitis and mechanical anastomosis are risk factors for anastomotic stenosis, surgeons should take this into account when they are considering what type of anastomotic technique to utilize.
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Affiliation(s)
- L Polese
- Department of Surgical and Gastroenterological Sciences, 1st Surgical Clinic, Coloproctology Unit, Ospedale S. Antonio, Padova, Italy.
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Abstract
Rothmund-Thomson syndrome (RTS) is a rare autosomal recessive genodermatosis. While its incidence is unknown, approximately 300 cases have been reported in the literature. The syndrome typically presents with a characteristic facial rash (poikiloderma), its diagnostic hallmark, and heterogeneous clinical features including congenital skeletal abnormalities, sparse hair distribution, juvenile cataracts, and a predisposition to osteosarcoma. Gastrointestinal symptoms, such as pyloric stenosis, anal atresia, annular pancreas, and rectovaginal fistula, have also been reported sporadically. This is a report describing a patient diagnosed with RTS referred to us because of dysphagia caused by esophageal stenosis. Long-term results of endoscopic dilation are also presented.
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Affiliation(s)
- L Polese
- Department of Surgical and Gastroenterological Sciences Department of Medical Diagnostic Sciences and Special Therapies, Pathology Unit, Via Giustiniani 2, University of Padova, Padua, Italy.
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Seewald S, Ang TL, Teng KY, Groth S, Zhong Y, Richter H, Imazu H, Omar S, Polese L, Seitz U, Bertschinger P, Altorfer J, Soehendra N. Endoscopic ultrasound-guided drainage of abdominal abscesses and infected necrosis. Endoscopy 2009; 41:166-74. [PMID: 19214899 DOI: 10.1055/s-0028-1119501] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Traditionally abdominal abscesses have been treated with either surgical or radiologically guided percutaneous drainage. Surgical drainage procedures may be associated with considerable morbidity and mortality, and serious complications may also arise from percutaneous drainage. Endoscopic ultrasound (EUS)-guided drainage of well-demarcated abdominal abscesses, with adjunctive endoscopic debridement in the presence of solid necrotic debris, has been shown to be feasible and safe. This multicenter review summarizes the current status of the EUS-guided approach, describes the available and emerging techniques, and highlights the indications, limitations, and safety issues.
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Affiliation(s)
- S Seewald
- Center of Gastroenterology, Klinik Hirslanden Zurich, Switzerland.
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Polese L, D'Incà R, Angriman I, Scarpa M, Pagano D, Ruffolo C, Lamboglia F, Sturniolo GC, D'Amico DF, Norberto L. Gastrointestinal telangiectasia: a study by EGD, colonoscopy, and capsule endoscopy in 75 patients. Endoscopy 2008; 40:23-9. [PMID: 18058652 DOI: 10.1055/s-2007-967039] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/10/2022]
Abstract
BACKGROUND The distribution of lesions in the gastrointestinal tract in patients with sporadic telangiectasia is at present unknown. PATIENTS AND METHODS 75 patients with sporadic telangiectasia underwent esophagogastroduodenoscopy (EGD), capsule endoscopy, and colonoscopy. Endoscopic diagnosis of telangiectasia and gastrointestinal bleeding were required for enrollment in the study. Hemorrhagic diathesis, co-morbidity, number of blood transfusions, and subsequent management were also noted. RESULTS 35 of the patients presented with gastroduodenal vascular lesions, 51 with small-bowel lesions, and 28 with colonic lesions. 67 % of patients in whom EGD found telangiectasia also presented small-bowel vascular lesions at capsule endoscopy and 43 % colonic lesions at colonoscopy. 54 % percent of patients with positive colonoscopy also presented gastroduodenal lesions and 48 % small-bowel lesions. Patients with known duodenal lesions were more likely to have small-bowel lesions at capsule endoscopy (odds ratio [OR] 10.19, 95 % CI 2.1 - 49.33, P = 0.003). Patients with associated diseases, such as liver cirrhosis, chronic renal failure, or heart valvulopathy, presented more severe disease requiring blood transfusions (OR 6.37, 95 % CI 1.39 - 29.2, P = 0.015). The number of blood transfusions correlated with the number of sites affected ( R = 0.35, P = 0.002). The detection of new lesions at capsule endoscopy allowed new treatment in 46 % of patients. Mean follow-up was 18 months. CONCLUSIONS Sporadic telangiectasia is a multifocal disease potentially involving the whole digestive tract. Patients with duodenal telangiectasia show a higher risk of jejunal or ileal lesions. Capsule endoscopy is a useful diagnostic tool for the detection of such small-bowel vascular lesions, indicating a more specific prognosis and treatment strategy.
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Affiliation(s)
- L Polese
- Department of Surgical and Gastroenterological Sciences, University of Padova, Italy.
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Polese L, Cillo U, Brolese A, Boccagni P, Neri D, Bassi D, Erroi F, Zanus G, D'Amico DF, Norberto L. Endoscopic treatment of bile duct complications after orthotopic liver transplantation. Transplant Proc 2007; 39:1942-4. [PMID: 17692660 DOI: 10.1016/j.transproceed.2007.05.053] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
Abstract
AIM To assess the indications and results of endoscopic retrograde cholangio-pancreatography (ERCP) in patients who have undergone ortotopic liver transplantation (OLT). METHODS We reviewed data from 42 consecutive patients who underwent ERCP for biliary complications after OLT over an 8-year period, in particular recording indications and success of the treatment after a mean of 17 months follow-up. RESULTS Cholangiograms performed in 33/42 patients (79%) displayed anastomotic strictures in 17 patients (52%), bile duct stones in 8 (24%), both bile duct stones and an anastomotic stricture in 2 (6%), papillary stenosis in 1 (3%), and anastomotic biliary leakage in 1 (3%). In contrast, the contrastogram was normal in four patients (12%). Stone extraction was completed in 9/10 patients (90%) with a mean of 1.2 sessions, while stricture dilation was achieved in 12/19 patients (63%) after a mean of 1.7 sessions, by stent positioning (n = 7), balloon dilation (n = 4), or Soehendra dilator (n = 1). Both biliary leakage and papillary stenosis were cured by ERCP. Only one procedure-related complication -- severe pancreatitis (2.4%) -- was observed and no mortality. CONCLUSION ERCP is a safe and effective mode of management of bile duct complications after OLT. It should be attempted before a surgical approach. Better results are obtained for treatment of biliary stones than of anastomotic strictures.
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Affiliation(s)
- L Polese
- Department of Surgical and Gastroenterological Sciences, 1st Surgical Clinic, Surgical Endoscopy Unit, Padova University, Padova, Italy
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Santos AFD, Ribeiro CA, Polese L, Ernandes JR, Kesserlingh SM, Nonato RV. Determinação de parâmetros de validação de métodos cromatográficos para análise de 5-hidroximetilfurfural e açúcares em amostras de processo de produção de polímero biodegradável. Eclet Quím 2006. [DOI: 10.1590/s0100-46702006000100002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
A eficiência de métodos para análise de 5-hidroximetilfurfural por cromatografia líquida de alta eficiência com detecção na região do ultravioleta e determinação de sacarose, glicose e frutose por cromatografia líquida com detecção por índice de refração foi avaliada. Após otimização das condições analíticas, os principais parâmetros de validação (linearidade, limite de quantificação, limite de detecção, recuperação, sensibilidade e precisão) foram determinados e demonstraram que os procedimentos analíticos podem ser aplicados para o controle do processo de produção de poli(3-hidroxibutirato).
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Souza JL, Santos AFD, Polese L, Crespi MS, Ribeiro CA. Otimização e validação de metodologia cromatográfica para determinação simultânea de composição monomérica em polímero biodegradável. Eclet Quím 2006. [DOI: 10.1590/s0100-46702006000400007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
O biopolímero poli(3-hidroxibutirato) PHB, importante pelas suas propriedades de biodegradabilidade e biocompatibilidade, pode apresentar melhores características termoplásticas quando estruturalmente modificado com anidrido maleico (AM). Para avaliar a proporção de anidrido maleico presente nos filmes de PHB com a proporção no intervalo de 0 a 20% de AM para o PHB, foram otimizadas as condições experimentais e determinados os principais parâmetros de validação para a análise simultânea de derivados de PHB e AM, utilizando-se cromatografia em fase gasosa (GC). Os resultados demonstram que o procedimento analítico pode ser aplicado com confiabilidade.
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Abstract
A preliminary study was conducted to determine the residue levels of prochloraz in ginger samples treated with Sportak 450 CE® (prochloraz as active ingredient) under laboratory conditions and cold-storage for 15 days at 10°C and 89% RH. Sampling was carried out at 10 and 15 days after Sportak 450 CE® dip treatment (450 and 900 µg mL-1). Pesticide residues were determined by GCECD. During the study, residue levels in ginger ranged between 3.6 and 10.6 mg Kg-1 for prochloraz.
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Norberto L, Polese L, Angriman I, Erroi F, Cecchetto A, D'Amico DF. Laser photoablation of colorectal adenomas: a 12-year experience. Surg Endosc 2005; 19:1045-8. [PMID: 15942811 DOI: 10.1007/s00464-004-2179-2] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2004] [Accepted: 01/17/2005] [Indexed: 12/24/2022]
Abstract
BACKGROUND We analyze laser photoablation as an alternative treatment of large sessile polyps in inoperable patients. METHODS Ninety-four colorectal polyps (mean diameter 3.09 +/- 2.7 cm, range 1-15 cm) were treated using high-energy lasers (Nd:YAG and diode). Grade of dysplasia was low in 51, high in 35, with focally invasive cancer in eight. RESULTS After 405 laser sessions (4.3 per polyp) five procedure-related complications were observed: two strictures, two bleedings, and one perforation. The last needed a surgical resection; the others were successfully treated by endoscopic therapy. Fifty-seven polyps (61%) were completely eradicated and the growth was controlled in all but two (98%). No degeneration was found after 28-month follow-up of treated adenomas with low- or high-grade dysplasia. Outcome of treatment was dependent on the dimension and grade of the dysplasia (p < 0.05), but not on the polyps' position (rectum or colon). Relief of rectal bleeding was obtained in 90%, of mucus discharge in 77%, and of tenesmus in 100% of cases. CONCLUSIONS Laser photoablation of colonic adenomas can be considered a valid procedure not only to relieve symptoms, but also to control the risk of degeneration in patients unfit for surgery or when surgical treatment is considered excessively invalidating.
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Affiliation(s)
- L Norberto
- Dipartimento di Scienze Chirurgiche e Gastroenterologiche, Clinica Chirurgica Generale I, Università di Padova, 35128 Padova, Italy.
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Scarpa M, Barollo M, Polese L, Keighley MRB. Quality of life in patients with an ileostomy. MINERVA CHIR 2004; 59:23-9. [PMID: 15111829] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/29/2023]
Abstract
AIM Temporary or permanent ileostomy is a common procedure in colorectal surgery. Our aim was to assess the impact of ileostomy on quality of life and the relevant risk factors. METHODS A 33-question questionnaire was sent, by mail, to 74 patients (over 70, between 70 and 50 and under 50 y old). The questionnaire explored 5 parameters of function: systemic symptoms, bowel symptoms, functional impairment, social impairment and emotional impairment. Further questions investigated the need for a nurse or relative to assist with management of the stoma, the frequency of changing the bag and the appliance, diet and the ability of patients to attend their normal daily activity. RESULTS Thirty-four patients completed the questionnaire. The final quality of life score was similar for all the 3 age groups but elderly patients needed more assistance in the stoma management. The quality of life scores in males patients were significantly better than in females. No statistically significant difference was observed comparing loop ileostomy versus end ileostomy and Crohn's disease versus ulcerative colitis. CONCLUSIONS Quality of life is not influenced by age, underlying inflammatory disease or type of ileostomy. Males report less impact on quality of life than women.
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Affiliation(s)
- M Scarpa
- Surgery I, Department of Surgical and Gastroenterologic Sciences, University of Padua, Padua, Italy.
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Brito NM, Navickiene S, Polese L, Jardim EFG, Abakerli RB, Ribeiro ML. Determination of pesticide residues in coconut water by liquid-liquid extraction and gas chromatography with electron-capture plus thermionic specific detection and solid-phase extraction and high-performance liquid chromatography with ultraviolet detection. J Chromatogr A 2002; 957:201-9. [PMID: 12113343 DOI: 10.1016/s0021-9673(02)00351-5] [Citation(s) in RCA: 123] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Two simple methods were developed to determine 11 pesticides in coconut water, a natural isotonic drink rich in salts, sugars and vitamins consumed by the people and athletes. The first procedure involves solid-phase extraction using Sep-Pak Vac C18 disposable cartridges with methanol for elution. Isocratic analysis was carried out by means of high-performance liquid chromatography with ultraviolet detection at 254 nm to analyse captan, chlorothalonil, carbendazim, lufenuron and diafenthiuron. The other procedure is based on liquid-liquid extraction with hexane-dichloromethane (1:1, v/v), followed by gas chromatographic analysis with effluent splitting to electron-capture detection for determination of endosulfan, captan, tetradifon and trichlorfon and thermionic specific detection for determination of malathion, parathion-methyl and monocrotophos. The methods were validated with fortified samples at different concentration levels (0.01-12.0 mg/kg). Average recoveries ranged from 75 to 104% with relative standard deviations between 1.4 and 11.5%. Each recovery analysis was repeated at least five times. Limits of detection ranged from 0.002 to 2.0 mg/kg. The analytical procedures were applied to 15 samples and no detectable amounts of the pesticides were found in any samples under the conditions described.
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Affiliation(s)
- N M Brito
- Departamento de Química Orgânica, Instituto de Química, Universidade Estadual Paulista-Unesp, Araraquara, SP, Brazil
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Polese L, Sannomiya M, de Olivera Sader AP, Lúcia Ribeiro M. Extraction and clean-up procedure for analysis of organochlorine pesticide residues in ethoxylated lanolin. Farmaco 2000; 55:637-40. [PMID: 11152246 DOI: 10.1016/s0014-827x(00)00089-6] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
In the present study an evaluation was made of a method for the determination of organochlorine pesticide residues in ethoxylated lanolin. Samples were homogenized with Celite, transferred to chromatographic columns, prepacked with silica gel deactivated to 10%. The pesticide elution was processed with n-hexane-dichloromethane and the concentrated eluate was analyzed using gas-liquid chromatography (GC) with electron capture detection (ECD). The composition of the elution solvent was a significant factor for the recovery of the pesticides. Mean recoveries obtained for fortified samples ranged from 87 to 94% for p,p'-DDE, dieldrin, endrin, p,p'-DDD and p,p'-DDT. Optimization of the experimental conditions resulted in a small-scale method that combines extraction and cleanup in a single step.
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Affiliation(s)
- L Polese
- Departamento de Química Orgânica, Instituto de Química, Araraquara, SP, Brazil.
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Ribeiro ML, Amador JR, Polese L, Jardim EF, Minelli EV, de Cordis OC. Effect of a pilot washing system on dicofol levels in orange matrix. J Agric Food Chem 2000; 48:2818-2820. [PMID: 10898628 DOI: 10.1021/jf990380b] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
Abstract
An efficient analytical method is described for the analysis of dicofol residues in pulp and orange peel. Samples are mixed with Celite and transferred to chromatographic columns prepacked with silica gel. Dicofol is eluted with ethyl acetate, and the extracts are analyzed by gas chromatography with electron capture detection. Mean recoveries for dicofol at levels of 0.5, 2.0, 5.0, and 10 mg/kg ranged from 87 to 95% with relative standard deviation values between 2.6 and 9.0%. To investigate the effect of a pilot washing system on dicofol residues in oranges, the analytical procedure was applied to samples submitted to different treatments with commercial formulations under field and laboratory conditions. The orange samples with and without washing were analyzed in duplicate, and the results indicated that washing under the described conditions did not allow a complete removal of dicofol residues from orange peel.
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Affiliation(s)
- M L Ribeiro
- Departamento de Química Orgânica, Instituto de Química, UNESP 14800-900, CP355, Araraquara, S.P., Brazil.
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Navickiene S, Polese L, Minelli EV, Ribeiro ML. A simplified method for the determination of fenpropathrin residues in fruits. Chromatographia 1999. [DOI: 10.1007/bf02575288] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Polese L. "Mining a glitch". Fertil Steril 1998; 70:390. [PMID: 9696250] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
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Nunes G, Ribeiro M, Polese L, Barceló D. Comparison of different clean-up procedures for the determination of N-methylcarbamate insecticides in vegetable matrices by high-performance liquid chromatography with UV detection. J Chromatogr A 1998. [DOI: 10.1016/s0021-9673(97)01176-x] [Citation(s) in RCA: 40] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Polese L, Minelli EV, Jardim EF, Ribeiro ML. Small-scale method for the determination of selected organochlorine pesticides in soil. Anal Bioanal Chem 1996; 354:474-6. [PMID: 15048436 DOI: 10.1007/s0021663540474] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/1995] [Revised: 06/12/1995] [Accepted: 06/16/1995] [Indexed: 11/26/2022]
Abstract
A small-scale method was developed for the simultaneous determination of gamma-HCH, heptachlor, aldrin, dicofol, mirex, endosulfan I, endosulfan II and endosulfan sulphate in soil. The extraction and clean-up steps were combined into one step by transferring soil samples to chromatographic columns prepacked with neutral alumina. The pesticides elution was processed with n-hexane : dichloromethane (7 : 3) and the concentrated eluate was analysed using gas-liquid chromatography with electron capture detection. Analyses of the "in vitro" fortified samples with the selected pesticides were performed at three different levels. Mean recoveries for aldrin, gamma-HCH and heptachlor, at levels of 2, 10 and 20 ng/g, ranged from 71 to 87%; for dicofol, at levels of 8, 40 and 80 ng/g, ranged from 97 to 103%; for endosulfan I and II, at levels of 5, 25 and 50 ng/g, ranged from 88 to 96%; for mirex, at levels of 6, 30 and 60 ng/g, ranged from 86 to 110%; and for endosulfan sulphate, at levels of 15, 75 and 150 ng/g, ranged from 93 to 104%. The method can be used for rapid determination of these pesticides in soil.
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Affiliation(s)
- L Polese
- Departamento de Química Orgânica, Instituto de Química, UNESP, Araraquara SP, CP. 355, CEP 14800-900, Brazil
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