Rodrigo Teixeira Gomes da Silva

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We have proposed a simplified perioperative rehabilitation program for elective colonic surgery that is focused on early oral nutrition and that could reduce hospital stay and postoperative ileus time without raising complications and readmission rates. Fifty-four patients admitted for elective colonic surgery were prospectively randomized into two groups:(More)
Dear Editor: Solitary rectal ulcer syndrome (SRUS) is a disorder of defecation with features of obstructed defecation, such as prolonged straining, tenesmus, and internal or external prolapse. It is an uncommon and under-diagnosed disorder, with an estimated annual incidence of one to 3.6 persons per 100,000 inhabitants. The pathogenesis of SRUS is not well(More)
AIM To evaluate cost-effectiveness of stapled hemorrhoidectomy comparing its results with conventional technique. SOURCE OF DATA We retrospectively analyzed the MEDLINE data basis from 2000 to 2004 studying randomized clinical trials which compared pain intensity, recovery period, return to work and occurrence of anal incontinence, in addition to(More)
Although colorectal cancer is typical in the older population, tumor onset before age 40 is not infrequent. However, the behavior, characteristics, and prognosis of this disease in young patients are unclear when compared to the older population. It is believed that young patients have a poor prognosis. We hypothesized that young patients have a poor(More)
PURPOSE Over the past 21 years, we have performed more than 200 subtotal splenectomies, in which the upper splenic pole vascularized only by the gastrosplenic pole vascularized only by the gastrosplenic vessels is preserved, to treat different pathologic conditions. A meticulous follow-up of the postoperative results of this procedure is of fundamental(More)
BACKGROUND The main goal of this paper is to investigate the frequency, clinical profile, and endoscopic findings of children and teenagers submitted to colonoscopies. METHODS Patients of below 18 years of age, diagnosed with polyps by means of colonoscopies at two reference centers of pediatric endoscopy were followed-up between 2002 and 2012. The(More)
The prevalence of chronic kidney disease (CKD) has been increasing worldwide. In practice, the glomerular filtration rate (GFR) can be assessed by the dosage of creatinine serum, its clearance through the kidneys and estimation formulae. However, there is no existing consensus about the best method of assessment; therefore, the aim of the present study is(More)
PURPOSE Retrospective study of the effects of anticancer treatment on the brain metabolism of patients diagnosed with rectal cancer based on a large and homogeneous sample of 40 paired F-FDG PET/CT volumes taken from 20 patients. The results are compared to the ones presented by related works to help elucidating the mechanisms of neurotoxicity associated to(More)
To assess the accuracy of the CG, CG-corrected, MDRD-6, MDRD-4 and CKD-EPI formulae when diagnosing CKD and to compare the results for creatinine clearance. This cross-sectional study was conducted with hypertensive individuals monitored by the Primary Health Care Service in Brazil (n = 293). Renal function was analyzed based on serum creatinine levels and(More)