Daniel Willy Kjær

ORCID: 0000-0003-0330-3624
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About
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Research Areas
  • Esophageal Cancer Research and Treatment
  • Esophageal and GI Pathology
  • Gastric Cancer Management and Outcomes
  • Gastroesophageal reflux and treatments
  • Venous Thromboembolism Diagnosis and Management
  • Gallbladder and Bile Duct Disorders
  • Pediatric Hepatobiliary Diseases and Treatments
  • Lung Cancer Diagnosis and Treatment
  • Antiplatelet Therapy and Cardiovascular Diseases
  • Helicobacter pylori-related gastroenterology studies
  • Acute Myocardial Infarction Research
  • Eosinophilic Esophagitis
  • Delphi Technique in Research
  • Approximation Theory and Sequence Spaces
  • Dysphagia Assessment and Management
  • Intestinal Malrotation and Obstruction Disorders
  • Gastrointestinal disorders and treatments
  • Autoimmune and Inflammatory Disorders
  • Gastrointestinal Tumor Research and Treatment
  • Atherosclerosis and Cardiovascular Diseases
  • Pediatric Pain Management Techniques
  • Clinical practice guidelines implementation
  • Lipoproteins and Cardiovascular Health
  • Adipokines, Inflammation, and Metabolic Diseases
  • Appendicitis Diagnosis and Management

Aarhus University
2021-2025

Aarhus University Hospital
2010-2025

Vejle Sygehus
2000

Abstract Background Antireflux surgery (ARS) has been found to be an effective treatment of gastro-esophageal reflux disease (GERD); however, the long-term effects are uncertain. This study aimed evaluate efficacy ARS on quality life, symptom severity, and use proton pump inhibitors (PPIs). Methods A validated GERD Health-Related Quality Life (GERD-HRQL) Questionnaire was sent 419 patients who underwent at Aarhus University Hospital from January 2012 April 2020. Patient records were reviewed...

10.1007/s00464-025-11608-5 article EN cc-by Surgical Endoscopy 2025-02-18

The use of biological therapy (biologicals) is established in the treatment Crohn's disease. This study aimed to determine whether preoperative with biologicals associated an increased rate complications following surgery for disease intestinal anastomosis.All patients receiving and undergoing abdominal anastomosis or strictureplasty were identified at six tertiary referral centres. Demographic data, preoperative, operative postoperative details registered. Patients who treated within 2...

10.1002/bjs.9439 article EN British journal of surgery 2014-02-26

To assess the outcome of patients treated conservatively vs surgically during their first admission for sigmoid volvulus.We conducted a retrospective study 61 admitted to Aarhus University Hospital in Denmark between 1996 and 2011 incidence volvulus. The condition was diagnosed by radiography, sigmoidoscopy or surgery. Patients with surgery underwent either resection percutaneous endoscopic colostomy (PEC). Conservatively were managed without Data recorded into Microsoft Access database...

10.3748/wjg.v20.i48.18384 article EN cc-by-nc World Journal of Gastroenterology 2014-01-01
Sivesh K. Kamarajah Dmitri Nepogodiev Abebe Bekele Ivan Cecconello R.P.T. Evans and 95 more Ali Güner James Gossage Tomáš Haruštiak James Hodson Arda Işık Biniam Kidane Alberto M. León-Takahashi Hans Alexander Mahendran Ionuţ Negoi KelechiE Okonta Germán Rosero Raza Sayyed Pritam Singh Flávio Roberto Takeda Richard van Hillegersberg Ravinder Vohra Rebecca White Ewen A. Griffiths Derek Alderson James Bundred R.P.T. Evans James Gossage Ewen A. Griffiths Benjamin J Jefferies Sivesh K. Kamarajah S McKay I. Mohamed Dmitri Nepogodiev K. Siaw- Acheampong Pritam Singh Richard van Hillegersberg Ravinder Vohra Kasun Wanigasooriya Tony Whitehouse Arben Gjata Justin Moreno Flávio Roberto Takeda Biniam Kidane C. Guevara Tomáš Haruštiak Abebe Bekele Aristotelis Kechagias Ines Gockel Andrew Kennedy Anna Da Roit Aleksandras Bagajevas J. S. Azagra Hans Alexander Mahendran Lorelí Mejía-Fernández Bas P. L. Wijnhoven Jihène El Kafsi Raza Sayyed Mariana S. Sousa Aline S. Sampaio Ionuţ Negoi RV Blanco Bengt Wallner Paul M. Schneider Po‐Kuei Hsu Arda Işık Sivakumar Gananadha Vanessa Wills Michael Devadas Cuong N. Duong Michael Talbot Michael W. Hii Rebecca Jacobs N.A Andreollo Brian T. Johnston Gail Darling Andrés Isaza-Restrepo Germán Rosero Fernando Arias Dimitrios Raptis Jochen Gaedcke Daniel Reim Jakob R. Izbicki Jan Egberts Sarunas Dikinis Daniel Willy Kjær M. Larsen Michael Patrick Achiam Juha Saarnio D Theodorou Theodore Liakakos Dimitris P. Korkolis William B. Robb Chris Collins Thomas J. Murphy John V. Reynolds Valeria Tonini Marcello Migliore Luigi Bonavina Michele Valmasoni Romeo Bardini

10.1016/j.ejso.2020.12.006 article EN European Journal of Surgical Oncology 2021-01-01
Ewen A. Griffiths James Halle‐Smith Sivesh K. Kamarajah R.P.T. Evans Dmitri Nepogodiev and 95 more James Hodson J.R. Bundred Ines Gockel James Gossage Arda Işık Joonas H. Kauppila Biniam Kidane Hans Alexander Mahendran Ionuţ Negoi KelechiE Okonta Raza Sayyed Richard van Hillegersberg Ravinder Vohra Bas P. L. Wijnhoven Pritam Singh Ewen A. Griffiths James Halle‐Smith Sivesh K. Kamarajah James Hodson Ewen A. Griffiths Derek Alderson James Bundred R.P.T. Evans James Gossage Ewen A. Griffiths Benjamin J Jefferies Sivesh K. Kamarajah S McKay I. Mohamed Dmitri Nepogodiev K. Siaw- Acheampong Pritam Singh Richard van Hillegersberg Ravinder Vohra Kasun Wanigasooriya Tony Whitehouse Arben Gjata Justin Moreno Flávio Roberto Takeda Biniam Kidane R Guevara Castro Abebe Bekele Tomáš Haruštiak Aristotelis Kechagias Ines Gockel Aleksandras Bagajevas Andrew Kennedy Anna Da Roit J. S. Azagra Hans Alexander Mahendran Lorelí Mejía-Fernández Bas P. L. Wijnhoven Jihène El Kafsi Raza Sayyed Mariana S. Sousa Aline S. Sampaio Ionuţ Negoi R. Blanco Bengt Wallner Paul M. Schneider Po‐Kuei Hsu Arda Işık Sivakumar Gananadha Vanessa Wills Michael Devadas Cuong N. Duong Michael Talbot Michael W. Hii Rebecca Jacobs N.A Andreollo Brian T. Johnston Gail Darling Andrés Isaza-Restrepo Germán Rosero Fernando Arias Dimitrios Raptis Jochen Gaedcke Daniel Reim Jakob R. Izbicki Jan‐Hendrik Egberts Sarunas Dikinis Daniel Willy Kjær M. Larsen Michael Patrick Achiam Juha Saarnio Dimitrios Theodorou Theodore Liakakos Dimitris P. Korkolis William B. Robb Chris Collins Thomas J. Murphy John V. Reynolds Valeria Tonini Marcello Migliore Luigi Bonavina

10.1016/j.ejso.2024.107983 article EN European Journal of Surgical Oncology 2024-03-07

Background Oesophagectomy is a major oncological surgical procedure. Previous studies have shown wide range of bleeding during and after surgery, it unknown if perioperative associated with oesophagectomy purely in nature, or exacerbated by impaired haemostasis. We aimed to perform detailed investigation the coagulation patients undergoing due cancer. Methods The study was prospective including adult adeno- squamous cell carcinoma referred for intended curative oesophagectomy. Operative...

10.1177/10760296251327587 article EN cc-by-nc Clinical and Applied Thrombosis/Hemostasis 2025-01-01

Since 2003, care for patients with oesophageal cancer has been centralized in a few dedicated centres Denmark. The aim of this study was to assess changes the treatment and outcome registered nationwide database.All diagnosed or gastro-oesophageal junction who underwent oesophagectomy Denmark between 2004 2013, were Danish clinical database carcinomas oesophagus, stomach (DECV database) included. Quality-of-care indicators, including number lymph nodes removed, anastomotic leak rate, 30-...

10.1002/bjs.10586 article EN British journal of surgery 2017-07-18
Bilal Alkhaffaf Aleksandra Metryka Jane Blazeby Anne‐Marie Glenny Ademola Adeyeye and 95 more Paulo Costa Ismael Díez del Val Suzanne S. Gisbertz Ali Güner Simon Law Hyuk‐Joon Lee Zongyi Li Koji Nakada Daniel Reim Peter Vorwald Gian Luca Baiocchi William Allum M. Asif Chaudry Ewen A. Griffiths Paula Williamson Iain Bruce Shasha Li Yingli He Zhengfeng Xu Yingwei Xue Hailun Liang Guanghe Li Enfeng Zhao PJ Neumann Linda O’Neill Emer Guinan Daniela Zanotti Giovanni de Manzoni Eliza Hagens Mark I. van Berge Henegouwen P. Lages Susana Onofre Rafael Mauricio Restrepo Nuñez Gabriel Salcedo Cabañas M Posada Gonzalez C Marin Campos Bernard Candas Birdoğan Baki Muhammed Selim Bodur Reyyan Yıldırım Arif Burak Çekiç Julia Brown Kenneth A. Hayes Iyad N. Daher R H Gianchandani Moorjani Ademola Adeyeye Agodirin Olayide Alberto M. León-Takahashi A. Pueyo Rabanal Andrea Peri Alex Boddy Alexander Novotny Alexandros Charalabopoulos Ali Alemdar Amine Souadka A M Rodrigues Gomes André Lázaro A Maciel Da Silva A do Rosário da Conceição Silva e Santos Alessandro Guidi A J Silva Bernardes Aoife Quinn Arda Işık A A Slipek Bernard Candas Altinbaş Bamidele Johnson Alegbeleye Bang Wool Eom Barbara Frittoli B Lonsdale Benedict D. Rogers Basil J. Ammori Beate Rau Beatrice Molteni Ben Byrne B A Villacís-Bermeo B E Villacís Gallardo Beyza Köse C J Sampedro Nogueira Cláudia Chaves Loureiro C M Oliveira de Sousa Chris Collins CN Ekwunife Chukwuemeka Osuagwu C L.-Y Wong C. Winkler Daniel Reim Daniel Willy Kjær D. James Cooper Daniel Horner D Irvine David J. Bowrey D. Chuter Diane L. Elliot Damon McGhee

Abstract Background Surgery is the primary treatment that can offer potential cure for gastric cancer, but associated with significant risks. Identifying optimal surgical approaches should be based on comparing outcomes from well designed trials. Currently, trials report different outcomes, making synthesis of evidence difficult. To address this, aim this study was to develop a core outcome set (COS)—a standardized group important key international stakeholders—that reported by future in...

10.1093/bjs/znab192 article EN cc-by British journal of surgery 2021-05-25
Sivesh K. Kamarajah R.P.T. Evans Dmitri Nepogodiev James Hodson J.R. Bundred and 95 more Ines Gockel James Gossage Arda Işık Biniam Kidane Hans Alexander Mahendran Ionuţ Negoi KelechiE Okonta Raza Sayyed Richard van Hillegersberg Ravinder Vohra Bas P. L. Wijnhoven Pritam Singh Ewen A. Griffiths Sivesh K. Kamarajah James Hodson Ewen A. Griffiths Derek Alderson James Bundred R.P.T. Evans James Gossage Ewen A. Griffiths Benjamin J Jefferies Sivesh K. Kamarajah S McKay I. Mohamed Dmitri Nepogodiev K Siaw-Acheampong Pritam Singh Richard van Hillegersberg Ravinder Vohra Kasun Wanigasooriya Tony Whitehouse Arben Gjata Justin Moreno Flávio Roberto Takeda Biniam Kidane R Guevara Castro Tomáš Haruštiak Abebe Bekele Aristotelis Kechagias Ines Gockel Andrew Kennedy Anna Da Roit Aleksandras Bagajevas J. S. Azagra Hans Alexander Mahendran Lorelí Mejía-Fernández Bas P. L. Wijnhoven Jihène El Kafsi Raza Sayyed Mariana S. Sousa Aline S. Sampaio Ionuţ Negoi R. Blanco Bengt Wallner Paul M. Schneider Po‐Kuei Hsu Arda Işık Sivakumar Gananadha Vanessa Wills Michael Devadas Cuong N. Duong Michael Talbot Michael W. Hii Rebecca Jacobs N.A Andreollo Brian Johnston Gail Darling Andrés Isaza-Restrepo Germán Rosero Fernando Arias Dimitrios Raptis Jochen Gaedcke Daniel Reim Jakob R. Izbicki Jan Egberts Sarunas Dikinis Daniel Willy Kjær M. Larsen Michael Patrick Achiam Juha Saarnio D Theodorou Theodore Liakakos Dimitris P. Korkolis William B. Robb Chris Collins Thomas J. Murphy John V. Reynolds Valeria Tonini Marcello Migliore Luigi Bonavina Michele Valmasoni Romeo Bardini Jacopo Weindelmayer Masanori Terashima

10.1016/j.jtcvs.2022.01.033 article EN publisher-specific-oa Journal of Thoracic and Cardiovascular Surgery 2022-02-03

This article presents the anatomic and functional outcome of site-specific fascia repair for rectocele performed under local anesthesia. Methods. In this case series, 51 consecutive patients underwent Patients were subsequently reviewed in outpatient clinic.The mean follow-up period was 26.7 months. Pelvic examination revealed recurrence posterior vaginal wall prolapse 31% (16/51). Improvement emptying rectum achieved 23% (7/30), (7/30) relieved from constipation. One patient developed de...

10.1080/00016340701444905 article EN Acta Obstetricia Et Gynecologica Scandinavica 2007-07-25

Evaluation of the biliary tract is important in physiological, pathophysiological, and clinical studies. Although sphincter Oddi (SO) can be evaluated with manometry, this technique has several limitations. This may explain difficulties identifying pathophysiological mechanisms for dysfunction SO patients who benefit from certain therapies. To encompass problems methods such as functional lumen imaging probe (FLIP) have been developed to study GI sphincters. set about miniaturising FLIP...

10.1111/j.1365-2982.2010.01531.x article EN Neurogastroenterology & Motility 2010-06-15

The clinical benefits of totally minimal invasive esophagectomy (TIME) compared to open are documented and include reduced morbidity like pulmonary infections, shorter hospital stay an increase in short-term quality life. However, transition TIME can be associated with a learning curve increased morbidity. We report our implementation using 2-step approach, where the thoracoscopic part was added laparoscopic carefully selected patients. hypothesis that provides safe efficient without...

10.21037/jtd-23-462 article EN Journal of Thoracic Disease 2023-10-01

Background and Aims: The impact of body mass index on complications survival in patients undergoing esophagectomy has been extensively studied with conflicting results. In this study, we assess the following surgery for esophageal gastro-esophageal-junction cancer a Danish population. Material Methods: We identified 285 consecutive patients, who underwent curative-intended treatment period 2003–2010. manually reviewed electronic medical records all included study. Body was calculated as...

10.1177/1457496916683097 article EN Scandinavian Journal of Surgery 2017-03-01

This study aimed to assess the impact of esophageal stenting on postoperative complications and survival in patients with obstructing gastroesophageal junction (GEJ) cancer. All treated without neoadjuvant therapy that had an R0-resection performed for GEJ cancer between January 2003 December 2010 were identified from a prospectively maintained database. Data stenting, mortality, morbidity, recurrence-free survival, complications, length hospital stay collected. Kaplan-Meier plots curves...

10.1111/dote.12474 article EN Diseases of the Esophagus 2016-03-01

Acute cholecystitis can be the result of retention bile in gallbladder with possible secondary infection and ischaemia. The aim present study was to investigate whether internal drainage could protect against development acute a pig model.Twenty pigs were randomized either (drained) or not (undrained). Day 0 induced by ligation cystic artery duct together inoculation bacteria. Four days later killed gallbladders removed histologically scored for presence cholecystitis. Bile blood samples...

10.1186/1750-1164-4-4 article EN cc-by Annals of Surgical Innovation and Research 2010-05-26

To investigate the referred pain area in patients 2-7 years after cholecystectomy order to test hypothesis that neuroplastic changes could give rise post pain.Forty were tested. Twenty five cholecystectomized due uncomplicated gallbladder stones and 15 because of acute cholecystitis. Sensitivity pinprick, heat, cold, pressure single repeated electrical stimulation was studied both control on contra lateral side abdomen.Five still intermittently suffered from pain. But objective 40 patients,...

10.3748/wjg.v12.i46.7522 article EN cc-by-nc World Journal of Gastroenterology 2006-01-01

Background Decisions regarding tumor staging, operability, resectability, and treatment strategy in patients with esophageal cancer are made at multidisciplinary team (MDT) conferences. We aimed to assess interobserver agreement from four national MDT conferences whether this would have a clinical impact.Methods A total of 20 were included across all upper gastrointestinal (GI) centers. Fully anonymized patient data distributed among the which decided on TNM category, curability, blinded...

10.1080/0284186x.2021.1937308 article EN Acta Oncologica 2021-07-27

<title>Abstract</title> <bold>Background</bold> The purpose of the study is to examine if prolonged thromboprophylaxis decreases risk thrombosis after intended curative surgery for oesophageal cancer. Study results are expected inform a guideline cancer surgery. perspective reduce morbidity and mortality in this critically ill patient group. Thrombosis second-most common cause death itself. depends on type, upper gastrointestinal cancers considered high risk. This further increased when...

10.21203/rs.3.rs-3918466/v1 preprint EN Research Square (Research Square) 2024-04-29

Background: The surgical treatment of gastric and esophageal cancer in Denmark is centralized four specialized esophagogastric (EGC) centers. Patients are referred after an esophagogastroduodenoscopy (EGD) at a secondary healthcare facility. EGD repeated the EGC center before determining strategy. This multicenter retrospective study aimed to investigate quality EGDs performed facility evaluate clinical value when Methods: from three centers, who underwent esophagectomy or gastrectomy with...

10.1177/14574969241242202 article EN Scandinavian Journal of Surgery 2024-05-02

During esophagectomy for malignancy, the anterior and posterior branches of vagus nerve are transected in order to achieve surgical radicality. This leads loss central nervous system-control pylorus which may lead delayed gastric emptying. We aimed investigate feasibility EndoFLIP technique assessment pyloric biomechanical properties patients undergoing esophagectomy.

10.1080/00365521.2024.2396483 article EN cc-by Scandinavian Journal of Gastroenterology 2024-08-27

Introduction: The aim of the present study was to investigate impact high age and comorbidities in relation postoperative complications, mortality, long-term survival patients undergoing surgery for adenocarcinoma esophagus gastro-esophageal junction (GEJ). Methods: A cohort 557 operated GEJ. Data were collected from a prospectively maintained database, Danish National Patient Registry, medical records. Univariate multivariate statistical models used analyze data after stratification...

10.11648/j.js.20180601.11 article EN Journal of Surgery 2018-01-01
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