Octávio Viveiros
- Bariatric Surgery and Outcomes
- Body Contouring and Surgery
- COVID-19 and healthcare impacts
- Gastric Cancer Management and Outcomes
- Colorectal Cancer Surgical Treatments
- Gastroesophageal reflux and treatments
- Diversity and Career in Medicine
- Cardiac, Anesthesia and Surgical Outcomes
- Advances in Oncology and Radiotherapy
- Dental Education, Practice, Research
- Congenital Diaphragmatic Hernia Studies
- Climate Change and Health Impacts
- Global Health Workforce Issues
- Nutrition and Health in Aging
- Esophageal and GI Pathology
- Hernia repair and management
- Gastrointestinal motility and disorders
- Diet and metabolism studies
- Enhanced Recovery After Surgery
Hospital da Luz
2023
Centro Hospitalar de Lisboa Central
2018-2019
Hospital Curry Cabral
2019
Sociedade Portuguesa de Cardiologia
2017
Abstract Background There are data on the safety of cancer surgery and efficacy preventive strategies prevention postoperative symptomatic COVID-19 in these patients. But there is little such for any elective surgery. The main objectives this study were to examine bariatric (BS) during coronavirus disease 2019 (COVID-19) pandemic determine perioperative protective rates. Methods We conducted an international cohort all-cause COVID-19-specific 30-day morbidity mortality BS performed between...
Abstract Background There is a paucity of data comparing 30-day morbidity and mortality sleeve gastrectomy (SG), Roux-en-Y gastric bypass (RYGB), one anastomosis (OAGB). This study aimed to compare the safety SG, RYGB, OAGB in propensity score-matched cohorts. Materials methods analysis utilised collected from GENEVA which was multicentre observational cohort bariatric metabolic surgery (BMS) 185 centres across 42 countries between 01/05/2022 31/10/2020 during Coronavirus Disease-2019...
This study aimed to describe nutritional and lifestyle parameters following one-anastomosis gastric bypass (OAGB). A multicenter among OAGB patients across Israel (n = 277) Portugal 111) was performed. Patients were approached according the time elapsed since surgery. An online survey with information regarding demographics, anthropometrics, aspects administered in both countries simultaneously. Respondents from (pre-surgery age of 41.6 ± 11.0 years, 75.8% females) 45.6 12.3 79.3% reported...
Abstract Background Age ≥ 65 years is regarded as a relative contraindication for bariatric surgery. Advanced age also recognised risk factor adverse outcomes with Coronavirus Disease-2019 (COVID-19) which continues to wreak havoc on global populations. This study aimed assess the safety of surgery (BS) in this particular group during COVID-19 pandemic comparison younger cohort. Methods We conducted prospective international patients who underwent BS between 1/05/2020 and 31/10/2020....
It has been suggested that patients with a Body Mass Index (BMI) of > 60 kg/m2 should be offered expedited Bariatric Surgery (BS) during the Coronavirus Disease-2019 (COVID-19) pandemic. The main objective this study was to assess safety approach. We conducted global who underwent BS between 1/05/2020 and 31/10/2020. Patients were divided into three groups according their preoperative BMI - Group I (BMI<50 kg/m2), II (BMI 50–60 III (BMI>60 kg/m2). effect on 30-day morbidity mortality,...
Abstract Objective One-anastomosis gastric bypass (OAGB) is considered an effective technique in weight reduction and remission of comorbidities. However, common with many bariatric metabolic/bariatric procedures, gastrointestinal side effects are frequently reported, but clinical experience varies. The objective this study was to analyze the bowel function patients who undergo OAGB looking at 5-year postoperative outcomes. Method This cross-sectional, descriptive analytical, developed...
To describe gastrointestinal-related side-effects reported following the One Anastomosis Gastric Bypass (OAGB).A multicenter study among OAGB patients across Israel (n = 277) and Portugal 111) who were recruited to based on time elapsed since surgery was performed. An online survey with information demographics, anthropometrics, medical conditions, gastrointestinal outcomes administered in both countries simultaneously.Respondents from (pre-surgery age of 41.6 ± 11.0 years, 75.8% females)...
The coronavirus disease 2019 (COVID-19) pandemic led to a worldwide suspension of bariatric and metabolic surgery (BMS) services. current study analyses data on patterns service delivery, recovery practices, protective measures taken during the COVID-19 by teams.The is subset analysis GENEVA which was an international cohort between 01/05/2020 31/10/2020. Data were specifically analysed regarding timing BMS suspension, recovery, precautionary deployed.A total 527 surgeons from 439 hospitals...
Petersen's hernia is an internal caused by the herniation of intestinal loops through defect created between transverse mesocolon, retroperitoneum and afferent loop mesentery (Roux, Omega or others) after any type gastrojejunostomy.With growth bariatric metabolic surgery, particularly with laparoscopic approach, there was increase in this kind complication its associated morbidity mortality.The diagnosis challenging can lead to treatment delay devastating consequences.This review aims...