Aristotelis Kechagias
A5013118178- Esophageal and GI Pathology
- Esophageal Cancer Research and Treatment
- Diverticular Disease and Complications
- Appendicitis Diagnosis and Management
- Cardiac, Anesthesia and Surgical Outcomes
- Gastrointestinal disorders and treatments
- Peripheral Artery Disease Management
- Gastric Cancer Management and Outcomes
- COVID-19 and healthcare impacts
- Vascular Procedures and Complications
- Trauma and Emergency Care Studies
- Lung Cancer Diagnosis and Treatment
- Aortic aneurysm repair treatments
- Gallbladder and Bile Duct Disorders
- Anorectal Disease Treatments and Outcomes
- Pancreatic and Hepatic Oncology Research
- Intraperitoneal and Appendiceal Malignancies
- Colorectal Cancer Surgical Treatments
- Abdominal Surgery and Complications
- Artificial Intelligence in Healthcare and Education
- Abdominal vascular conditions and treatments
- Venous Thromboembolism Diagnosis and Management
- Enhanced Recovery After Surgery
- Palliative Care and End-of-Life Issues
- Hemodynamic Monitoring and Therapy
Metropolitan Hospital
2024-2025
Polyclinic General Hospital
2024
Kanta-Hämeen Keskussairaala
2018-2024
Tampere University
2016-2021
Tampere University Hospital
2016-2021
Agia Olga Hospital
2009-2018
Instituto de Gastroenterología
2016
University Medical Center Utrecht
2016
Oulu University Hospital
2005-2014
University of Padua
2006
Background80% of individuals with cancer will require a surgical procedure, yet little comparative data exist on early outcomes in low-income and middle-income countries (LMICs). We compared postoperative breast, colorectal, gastric surgery hospitals worldwide, focusing the effect disease stage complications mortality.MethodsThis was multicentre, international prospective cohort study consecutive adult patients undergoing for primary or requiring skin incision done under general neuraxial...
Abstract Background Ileus is common after elective colorectal surgery, and associated with increased adverse events prolonged hospital stay. The aim was to assess the role of non-steroidal anti-inflammatory drugs (NSAIDs) for reducing ileus surgery. Methods A prospective multicentre cohort study delivered by an international, student- trainee-led collaborative group. Adult patients undergoing resection between January April 2018 were included. primary outcome time gastrointestinal recovery,...
Abstract Background Parastomal hernia repair is a complex surgical procedure with high recurrence and complication rates. This retrospective nationwide cohort study presents the results of different parastomal techniques in Finland. Methods All patients who underwent primary end ostomy nine participating hospitals during 2007–2017 were included study. The outcome measure was rate. Secondary outcomes complications re‐operation Results In total, 235 elective repairs performed five university...
Acute mesenteric ischaemia (AMI) is a condition with high mortality. This survey assesses current attitudes and practices to manage AMI worldwide.A questionnaire about the of diagnosing managing AMI, endorsed by several specialist societies, was sent different medical specialists hospitals worldwide. Data from individual health care professionals teams were collected.We collected 493 forms 71 countries 94 team 34 countries. Almost half respondents surgeons, most responding (70%) led...
Abstract Background Literature suggests colonic resection and primary anastomosis (RPA) instead of Hartmann’s procedure (HP) for the treatment left-sided emergencies. We aim to evaluate surgical options globally used treat patients with acute emergencies factors that leading choice treatment, comparing HP RPA. Methods This is a prospective, international, multicenter, observational study registered on ClinicalTrials.gov. A total 1215 who required surgery were included from 204 centers during...
The aim of this study is to investigate the value C-reactive protein (CRP) and other laboratory parameters obtained during initial evaluation patient in prediction clinical severity acute diverticulitis. records patients treated for diverticulitis at Oulu University Hospital from December 2006 2008 were retrospectively reviewed. Mild disease was defined when conservative treatment successful. Severe considered percutaneous drainage an abscess and/or surgery necessary. From 182 analysis, 158...
Textbook outcome has been proposed as a tool for the assessment of oncological surgical care. However, an international in patients undergoing oesophagectomy oesophageal cancer not reported. This study aimed to assess textbook setting.
The SARS-CoV-2 pandemic is still ongoing and a major challenge for health care services worldwide. In the first WSES COVID-19 emergency surgery survey, strong negative impact on (ES) had been described already early in situation. However, knowledge limited about current effects of patient flow through rooms, daily routine decision making ES as well their changes over time during last two years. This second survey investigates course pandemic.A web distributed to medical specialists four-week...
Abstract Background In elderly patients with external full-thickness rectal prolapse (EFTRP), the exact differences in postoperative recurrence and functional outcomes between laparoscopic ventral mesh rectopexy (LVMR) perineal stapler resection (PSR) have not yet been investigated. Methods We conducted a retrospective multicenter study on 330 divided into LVMR group ( n = 250) PSR 80) from April 2012 to 2019. Patients were evaluated before after surgery by Wexner incontinence scale,...
Abstract Reasons for structural and outcome differences in esophageal cancer surgery Western Europe remain unclear. This questionnaire study aimed to identify the organization of surgical care Europe. A cross-sectional international was conducted among upper gastrointestinal (GI) surgeons from One surgeon per country selected based on scientific output active membership European Society Diseases Esophagus or (inter)national GI committee. The consisted 51 structured questions surgery,...
Abstract Purpose There is no consensus on the standard approach for trans-sphincteric perianal fistulas (TPAF) in elderly population. The most commonly used sphincter-saving procedures are ligation of inter-sphincteric fistula tract (LIFT) and mucosal advancement flap (MAF). We aimed to evaluate incidence risk factors recurrence incontinence patients with TPAF using both approaches. Methods This retrospective study included 257 who underwent LIFT (136 patients) or MAF (121 de novo...
Abstract Background Ileus is common after colorectal surgery and associated with an increased risk of postoperative complications. Identifying features normal bowel recovery the appropriateness for hospital discharge challenging. This study explored safety before return function. Methods A prospective, multicentre cohort was undertaken across international collaborative network. Adult patients undergoing elective resection between January April 2018 were included. The main outcome interest...
Surgeons' fear of getting infected by COVID19: A global survey EditorDuring the last three months, COVID-19 pandemic had led to a serious backlog operations globally, and plans for restarting operation are imperative 1-3 .Recommendations surgical activities were studied, aiming protect staff from being 4,5 .In meantime, it is also important give attention surgeon's personal feeling during work.We conducted Table 1 Univariate multivariate analysis on factors associated with (Total N = 1124)...
Previous research on parastomal hernia repair following ileal conduit urinary diversion is limited. This nationwide cohort study aims to present the results of keyhole and Sugarbaker techniques in setting diversion.All patients this underwent primary elective four university hospitals one central hospital Finland 2007-2017. Retrospective clinical data were collected from patient registries compare techniques. The outcome was recurrence during follow-up surgery last confirmed date patient....