Marcelo Falcão de Santana

ORCID: 0000-0003-1724-0257
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About
Contact & Profiles
Research Areas
  • Bariatric Surgery and Outcomes
  • Esophageal and GI Pathology
  • Gastric Cancer Management and Outcomes
  • Retinal and Macular Surgery
  • Retinal Development and Disorders
  • Obesity and Health Practices
  • Obesity, Physical Activity, Diet
  • Esophageal Cancer Research and Treatment
  • Drug-Induced Ocular Toxicity
  • Intestinal and Peritoneal Adhesions
  • Body Contouring and Surgery
  • COVID-19 and healthcare impacts
  • Retinal Diseases and Treatments
  • Pneumothorax, Barotrauma, Emphysema
  • Intraocular Surgery and Lenses
  • Eating Disorders and Behaviors
  • Infection Control and Ventilation
  • Intestinal Malrotation and Obstruction Disorders
  • Gastrointestinal disorders and treatments
  • Abdominal Trauma and Injuries
  • Amoebic Infections and Treatments
  • Gastrointestinal Tumor Research and Treatment
  • Gastroesophageal reflux and treatments
  • Congenital Anomalies and Fetal Surgery

Escola Bahiana de Medicina e Saúde Pública
2021-2023

Hemorio
2020

Universidade Federal de Pernambuco
2015-2017

Doheny Eye Institute
1983

University of Southern California
1983

We used an experimental model of proliferative vitreoretinopathy (PVR) and cell-induced traction retinal detachment to study the therapeutic value six cytotoxic drugs (actinomycin C, colchicine, cytosine arabinoside hydrochloride, 5-fluorodeoxyuridine, vinblastine sulfate, daunomycin). Pigmented rabbits were injected with 2.5 ± 105 cultured homologous dermal fibroblasts. At same time, into vitreous in attempt inhibit cellular proliferation. The sensitivity cells drug was also tested vitro...

10.1097/00006982-198300340-00007 article EN Retina 1983-01-01

Between 10 and 20% of all patients undergoing bariatric surgery procedures regain weight secondary to a gastrojejunostomy enlargement. The aim this study was validate the interobserver agreement while measuring gastric outlet diameters using new standard guidewire. We selected thirty-five videos consecutive endoscopic on esophagogastroduodenoscopy after Roux-en-Y bypass procedure. All were evaluated by four raters: two expert endoscopists trainees. excluded having slipped Fobi ring or...

10.1186/s13104-016-2350-6 article EN cc-by BMC Research Notes 2017-01-03

A multitude of endoscopic findings post-gastric bypass procedures have been previously reported in the literature, but to our knowledge, no present rules exist that could guide clinicians regarding which should be actively sought, once an initial finding is identified.To identify co-occurrence patterns among patients having undergone past gastric procedure.Our registry involves all consecutive undergoing upper evaluation after a procedure. We collected information on presence surgery...

10.1590/s0004-28032016000400012 article EN cc-by-nc Arquivos de Gastroenterologia 2016-09-28

An ectopic spleen occurs with less than 600 cases reported and has a large series of splenectomies 0.3%. Its highest prevalence between 20 40 years age, being more frequent in female patients. To present an original case report on the occurrence spleen, mimicking hepatocellular carcinoma (HCC) after bariatric surgery. Occurrence migratory late surgery, HCC discovered routine evaluation. JCA patient, male, 66 old, previously sleep apnea, hypertensive diabetic patients medication regularly,...

10.14715/cmb/2018.64.13.21 article EN cc-by Cellular and Molecular Biology 2018-10-30

A cirurgia da obesidade vem sendo reconhecida como tratamento eficiente para perda de peso e melhora das comorbidades a ela associadas. Em adultos, os riscos benefícios curto longo prazo já são bem conhecidos na literatura; contudo, em crianças adolescentes não existem dados precisos. Por envolver mudanças significativas nos hábitos vida alimentação, decisão pelo cirúrgico essa população ainda é delicada necessita participação toda equipe médica, além do envolvimento familiar. Para isso, o...

10.1590/1983-80422015231046 article PT cc-by Revista Bioética 2015-04-01

ABSTRACT Background: With a prevalence of 0.4-3.5%, subepithelial lesions the upper digestive tract are discovered during endoscopic procedures. Treatment depends on etiological and pathophysiological information, ability to diagnose different technical resources available. Aim: To demonstrate effectiveness surgical technique that combines endoscopy videolaparoscopy in transgastric resection juxtacardic lesions. Method: The patients were assisted with combination between laparoscopy. After...

10.1590/0102-6720201700020014 article EN cc-by ABCD Arquivos Brasileiros de Cirurgia Digestiva (São Paulo) 2017-06-01

Background and study aims A comparative was conducted to evaluate the efficacy of argon plasma coagulation (APC) therapy in treating post Roux-en-Y gastric bypass (RYGB) weight regain incidence complications related this procedure, using a sham treatment group as control. Patients methods Forty-one patients with minimum 10 kg postoperative time 36 months were randomized into two groups. Results In APC (n = 21), mean initial 100.4 24.94 kg. 20), 103.65 kg, 25.18 Anastomotic stenosis occurred...

10.1055/a-2029-1845 article EN cc-by-nc-nd Endoscopy International Open 2023-02-06

In March 2020, the new coronavirus (SARS-CoV-2) spread around world causing respiratory diseases and deaths mainly in groups at risk [1].Thus, World Health Organization (WHO) declared pandemic of this virus whose disease is .Thus, outbreak COVID-19 has from China to entire world.It been estimated that approximately 10% health professionals have infected with western countries [3,4].The clinical manifestations are varied, spanning a wide spectrum mild asymptomatic severe critical leads...

10.34256/mdnt21210 article EN cc-by MedNEXT Journal of Medical and Health Sciences 2021-04-14
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