Manuel Carvalho

Hospital do Espírito Santo de Évora · Department of General Surgery

Synchronous tumors are rare occurrences that present unique diagnostic and surgical challenges. This article discusses the case of a 61-year-old male patient with a synchronous adenoma of the ascending colon and gastric gastrointestinal stromal tumor (GIST). The patient underwent successful laparoscopic right hemicolectomy and atypical gastrectomy...

Pilomatrixoma is a benign skin neoplasm originating from hair follicle matrix cells, most commonly found in the head and neck region. Its occurrence in breast tissue is rare. This case report describes the management of a 44-year-old female with a palpable breast mass following trauma. Imaging and biopsy confirmed pilomatrixoma. Surgical excision w...

Introduction: Bouveret’s syndrome is a rare entity, accounting for 1–3% of gallstone ileus cases. It is more common in elderly females and is associated with significant morbidity and mortality. It presents with epigastric pain, nausea, and vomiting in patients with concurrent cholelithiasis. Given the nonspecific symptoms, the diagnosis is support...

Introduction: Leptin and ghrelin are two hormones that play a role in weight homeostasis. Leptin, which is produced primarily by adipocytes and is dependent on body fat mass, suppresses appetite and increases energy expenditure. Conversely, ghrelin is the “hunger hormone”, it stimulates appetite and promotes fat storage. Bariatric surgery significa...

Purpose Bariatric surgery is a treatment for severe obesity and its associated conditions, which already has ample evidence of its benefits. In addition to the reduction in body fat mass, the weight loss caused by bariatric surgery includes a significant reduction in skeletal muscle and bone mineral mass, which could negatively affect functional ca...

Introduction: Leptin and ghrelin are two hormones that play a role in weight homeostasis. Leptin, which is produced primarily by adipocytes and is dependent on body fat mass, suppresses appetite and increases energy expenditure. Conversely, ghrelin is the “hunger hormone”, it stimulates appetite and promotes fat storage. Bariatric surgery significa...

Introduction Bariatric surgery is a recognized treatment option for severe obesity, and its effectiveness in reducing weight and controlling obesity-related conditions has been demonstrated. However, it can also lead to decreased skeletal muscle mass and strength, increasing the risk of sarcopenia after surgery. This randomized clinical trial studi...

(1) Background: Sarcopenia, a condition characterized by a decrease in muscle mass and strength, is very common in patients with obesity and can be aggravated by bariatric surgery, potentially compromising the clinical results of surgery. There is increasing interest in pa-tient-reported outcome measures (PROMs) to assess results in other health va...

Introduction: Obesity affects over 650 million individuals worldwide and it is a major public health problem. Bariatric surgery is the most effective treatment for severe obesity, resulting in significant weight reduction and improvement in obesity-related conditions. However, the weight loss achieved through bariatric surgery often correlates with...

Background: A nurse-led case-management intervention program may improve the patients' management of the bariatric surgery process. Close collaboration with the healthcare team may improve health and facilitate the adoption of healthy lifestyles, which may enhance surgical results. Completing this project will allow the deepening and exploration of...

(1) Introduction: The COVID-19 pandemic presented unique challenges for patients and healthcare providers, especially for those working with obesity and related health problems. E-health has emerged as a crucial tool for the follow-up of users undergoing bariatric surgery during this period, allowing remote monitoring of users' health status and pr...

The prevalence of obesity has become a global health concern, and severe obesity is associated with various chronic diseases and decreased quality of life. Bariatric surgery has shown success in treating obesity. Nevertheless, some patients experience weight regain and unsatisfactory outcomes. Multidisciplinary interventions have been shown to impr...

Introduction: Perianal pathology includes a variety of lesions with a vast array of etiologies and therefore the treatment and prognosis are diverse. The negative impact in the quality of life is generally meaningful. Depending on the context where the patient is observed, some causes are not always remembered when the differential diagnosis is dis...

Introduction: Lupus mastitis is a rare disease. Rarely it can present in a patient without the diagnosis of lupus, being its first and even only manifestation. This makes the diagnosis even more challenging. The authors present a case that shows the difficult clinical pathway from diagnosis to treatment of an infrequent and poorly known disease. Ca...

Introduction: Small bowel intussusception after Rouxen-Y gastric bypass is a rare condition, with a reported incidence of 0.07–0.6%, and a multifactorial etiology. The severity of the condition ranges from small bowel edema to ischemia and perforation with peritonitis, and the clinical presentation and blood tests are non-specific. The computed tom...

This paper provides a new management about the treatment of obesity, that have a growing incidence worldwide. A management centered on the patients’ needs during the bariatric surgery is necessary. In this context, patient monitoring and follow-up by a case manager, who guides the provision of specialized care focused on patient's adaptation to the...

Severe obesity is a chronic disease and bariatric surgery is the treatment with more proven efficacy in reducing weight. After surgery, the weight loss is greatly associated with a significant reduction of skeletal muscle and bone mineral mass, with an increased risk of sarcopenia for these patients. Prophylactic programs that prevent sarcopenia in...

Bariatric surgery is the treatment for severe obesity, with proven efficacy in reducing weight. Weight loss associated with bariatric surgery is greatly associated with a significant reduction of skeletal muscle and bone mineral mass, which leads us to induce that after bariatric surgery, patients incur an increased risk of sarcopenia. Prophylactic...

Introduction Bariatric surgery is one of the treatments for severe obesity, with proven efficacy in reducing weight and diseases associated with obesity. Weight loss associated with bariatric surgery is greatly associated with a significant reduction of skeletal muscle and bone mineral mass, which leads us to induce that after bariatric surgery, pa...

Background The coronavirus disease 2019 (COVID-19) pandemic led to a worldwide suspension of bariatric and metabolic surgery (BMS) services. The current study analyses data on patterns of service delivery, recovery of practices, and protective measures taken during the COVID-19 pandemic by bariatric teams. Materials and Methods The current study is...

Background The coronavirus disease 2019 (COVID-19) pandemic led to a worldwide suspension of bariatric and metabolic surgery (BMS) services. The current study analyses data on patterns of service delivery, recovery of practices, and protective measures taken during the COVID-19 pandemic by bariatric teams. Materials and Methods The current study i...

Introduction: Aortoesophageal fistula (AEF) is a rare and potentially lethal cause of upper gastrointestinal bleeding. Although several causes have been implicated in this condition, a ruptured thoracic aortic aneurysm remains the most common cause. Despite the challenge of differential diagnosis, this is a situation that requires prompt action wit...

Healthcare-associated infection is an issue with major socio-economic implications worldwide. Urinary Tract Infection is a Healthcare-Associated infection with a high influence on morbidity and personal impact for patients and their families, also has a great economic impact on institutions. The financial cost of each infection is difficult to esti...

Bariatric surgery is currently regarded as a safe and effective long-term procedure for the treatment of obesity and related comorbidities. We analyzed the association between physical activity (PA), weight regain, metabolic risk factors and quality of life in patients submitted to bariatric surgery. This study also aimed to preliminarily assess ho...

Aim: To analyze the effect of bariatric surgery, physical activity and weight regain on the prevalence of metabolic risk factors. Method: Observational study with retrospective data collection. The study had the participation of 84 individuals submitted to bariatric gastric bypass surgery with follow-up of more than five years. Data collection was...

Effects of exercise on sarcopenia in patients undergoing bariatric surgery. PROSPERO 2022 CRD42022324642 Available from: https://www.crd.york.ac.uk/prospero/display_record.php?ID=CRD42022324642 Review question Is physical exercise associated with less loss of muscle mass, better QoL and improved metabolic risk factors in patients undergoing bariatr...

Aim: To analyze the association between physical activity, weight regain, metabolic risk factors and quality of life (QoL) in patients undergoing bariatric surgery. It also aims to assess how physical activity and weight regain may be associated with sleep quality and sedentary behavior. Method: Observational study, with retrospective data collecti...

Objective: This dissertation had two objectives: 1) to conduct a rapid systematic review of the literature, which aims to analyze published literature on the association between physical activity, weight regain and quality of life in patients undergoing bariatric surgery; and 2) to conduct a cross-sectional observational study with the objective of...

Summary Introduction: Bariatric surgery is the treatment of severe obesity with associated pathologies, with proven evidence in its benefits. By treating overweight allows a better and even reversal of pathologies associated with obesity. In this context, we know that physical exercise is important in the process of weight loss, however, and especi...

A clinical case of rotation and ischemia of the great epiploon is shown. This is a rare complication. However, it must be a diagnostic hypothesis to consider in patients with acute abdomen and history of gastric bypass Roux-en-Y, not only in the postoperative period early, as it may be the cause of a late complication.

Background: Although rare, arterial limb injuries are cause of massive hemorrhage and consequently hypovolemic shock. Temporary vascular shunts have many benefits: not only do they allow for reperfu­sion, but they also afford time to transport a patient to a higher level of care. Methods: Case report Results: The authors present a case report of a...

Background Intestinal malrotation is a rare congenital abnormality that occurs as a result of an arrest of normal rotation and fixation of the embryonic gut. In adult age, it is extremely difficult to diagnose due to the non-specificity or lack of symptoms and is most commonly found intraoperatively. Case Presentation Two bariatric female patient...

We presented a review of: - the impact of obesity on GERD - the efficacy of different bariatric procedures on GERD control - the role of Gastric Bypass in treating GERD - Gastric Bypass as a salvage operation after another bariatric operation

Background: A gastrointestinal stromal tumour (GIST) is a mesenchymal neoplasm that can

Introduction: Gastric lipoma is a rare benign gastric tumor, usually found incidentally. Although

Introduction Roux-en-Y gastric bypass (RYGB) has been the most common surgical operation used to treat obesity and its inherent co-morbidities. Intussusception with bowel obstruction after RYGB is a rare complication and its physiopathology remains unclear. The diagnosis is generally based on typical image of computed tomography (CT) scan and a sur...

There are only a few descriptions of laparoscopic Roux-en-Y gastric bypass (LRYGB) in the setting of intestinal malrotation and these are limited to clinical case reports. Intestinal malrotations usually present in the first months of life with symptoms of bowel obstruction. However, in rare cases, it can persist undetected into adulthood when it c...

Purpose: Several health-related quality-of-life (HRQoL) dimensions are affected by obesity. Our goal was to characterize the psychometric properties of the ORWELL-R, a new obesity-related quality-of-life instrument for assessing the “individual experience of overweightness”. Methods: This psychometric assessment included two different samples: one...

The prevalence of obesity has increased worldwide. An assessment of the impact of obesity on health-related quality of life (HRQoL) requires specific instruments. The Moorehead-Ardelt Quality of Life Questionnaire II (MA-II) is a widely used instrument to assess HRQoL in morbidly obese patients. The objective of this study was to translate and vali...

Although psychological disorders are more prevalent among candidates for bariatric surgery than among non-obese populations, there is limited knowledge about the impact of this type of surgery on psychopathology. The main goal of this study was to characterize the evolution of psychopathological morbidity among obese patients after surgery. This wa...

Although psychological disorders are more prevalent among candidates for bariatric surgery than among non-obese populations, there is limited knowledge about the impact of this type of surgery on psychopathology. The main goal of this study was to characterize the evolution of psychopathological morbidity among obese patients after surgery. This is...

Anastomotic leakage following colorectal surgery is a serious, fearful and the most important complication mainly after anterior resection of the rectum and is the main cause of postoperative morbidity and mortality. Endo-SPONGE (B-Braun Medical®), an endoluminal vacuum therapy minimally invasive, was shown to be an effective alternative in the tre...