Blar i NTNU Open på forfatter "Bolkan, Håkon Angell"
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Evaluation of a surgical task sharing training programme's logbook system in Sierra Leone
Svendsen, Øyvind Veel; Helgerud, C; van Duinen, Aalke Johan; Salvesen, Øyvind; George, Peter M.; Bolkan, Håkon Angell (Journal article; Peer reviewed, 2019)Background Personal logbooks are universally applied for monitoring and evaluation of surgical trainees; however, the quality and accuracy of such logbooks in low income countries (LICs) are poorly examined. Logbooks ... -
Five-year follow-up after caesarean section in Sierra Leone
Logstein, Erika; Torp, Richard (Master thesis, 2022)Sammendrag Introduksjon: Fødsel etter et tidligere keisersnitt utgjør en økt risiko for mor i hennes etterfølgende svangerskap. Lite er kjent om fødselsmetoder og utfallet av etterfølgende graviditeter etter keisersnitt i ... -
”For this one, let me take the risk”: why surgical staff continued to perform caesarean sections during the 2014–2016 Ebola epidemic in Sierra Leone
Dreving, Gustaf; Alvesson, Helle Mölsted; van Duinen, Aalke Johan; Bolkan, Håkon Angell; Koroma, Alimamy philip; von Schreeb, Johan (Journal article; Peer reviewed, 2019)Introduction: Routine health service provision decreased during the 2014-2016 Ebola virus disease (EVD) outbreak in Sierra Leone, while caesarean section (CS) rates at public hospitals did not. It is unknown what made ... -
The impact of the COVID-19 pandemic on hospital utilisation in Sierra Leone
Sevalie, Stephen; Youkee, Daniel; van Duinen, Aalke Johan; Bailey, Emma; Bangura, Thaimu; Mangipudi, Sowmya; Mansaray, Esther; Odland, Maria Lisa; Parmar, Divya; Samura, Sorie; Van Delft, Diede; Wurie, Haja; Davies, Justine I; Bolkan, Håkon Angell; Leather, Andy J.M. (Peer reviewed; Journal article, 2021)Introduction The COVID-19 pandemic has adversely affected health systems in many countries, but little is known about effects on health systems in sub-Saharan Africa. This study examines the effects of COVID-19 on hospital ... -
Inguinal hernia surgery learning curves by associate clinicians
van Kesteren, Jurre; Meylahn-Jansen, Pauline J.; Conteh, Amara; Lissenberg-Witte, Birgit I.; van Duinen, Aalke Johan; Ashley, Thomas; Bonjer, H. Jaap; Bolkan, Håkon Angell (Peer reviewed; Journal article, 2023)Background Open inguinal hernia repair is the most commonly performed procedure in general surgery in sub-Saharan Africa, but data on its learning curve are lacking. This study evaluated the learning curve characteristics ... -
Macroeconomic costs of the unmet burden of surgical disease in Sierra Leone: A retrospective economic analysis
Grimes, Caris E.; Quaife, Matthew; Kamara, Thaim B.; Lavy, Christopher B.D.; Leather, Andy J.M.; Bolkan, Håkon Angell (Journal article; Peer reviewed, 2018)Objectives The Lancet Commission on Global Surgery estimated that low/middle-income countries will lose an estimated cumulative loss of US$12.3 trillion from gross domestic product (GDP) due to the unmet burden of surgical ... -
Malnutrition, nutritional interventions and clinical outcomes of patients with acute small bowel obstruction: results from a national, multicentre, prospective audit
NASBO, NASBO Collaborators; Bolkan, Håkon Angell (Journal article; Peer reviewed, 2019)Objective The aim of this study was to assess the nutritional status of patients presenting with small bowel obstruction (SBO), along with associated nutritional interventions and clinical outcomes. Design Prospective ... -
Met and unmet need for surgery in Sierra Leone: a comprehensive retrospective countrywide survey from all healthcare facilities performing surgery in 2012
Bolkan, Håkon Angell; Schreeb, Johan; Samai, Mohamed; Bash-Taqi, Donald Alpha; Kamara, T. B.; Salvesen, Øyvind; Ystgaard, Brynjulf; Wibe, Arne (Journal article; Peer reviewed, 2015)Background. Understanding a country’s baseline operative actors and capacity is critical to improving the quality of services and outcomes. The aim of this study was to describe all operative providers and national operative ... -
Met and unmet needs for surgery in Sierra Leone: A comprehensive, retrospective, countrywide survey from all health care facilities performing operations in 2012
Bolkan, Håkon Angell; von Schreeb, Johan; Samai, Mohammed; Bash-Taqi, Donald A.; Kamara, Thaim Buim; Salvesen, Øyvind; Ystgaard, Brynjulf; Wibe, Arne (Journal article; Peer reviewed, 2015) -
National prospective cohort study of the burden of acute small bowel obstruction
NASBO, NASBO Collaborators; Bolkan, Håkon Angell (Journal article; Peer reviewed, 2019)Background Small bowel obstruction is a common surgical emergency, and is associated with high levels of morbidity and mortality across the world. The literature provides little information on the conservatively managed ... -
Outcomes After Elective Inguinal Hernia Repair Performed by Associate Clinicians vs Medical Doctors in Sierra Leone: A Randomized Clinical Trial
Ashley, Thomas; Ashley, Hannah; Wladis, Andreas; Bolkan, Håkon Angell; van Duinen, Aalke Johan; Beard, Jessica; Kalsi, Hertta; Palmu, Juuli; Nordin, Pär; Kristina, Holm; Ohene-Yeboah, Michael; Löfgren, Jenny (Peer reviewed; Journal article, 2021)Importance Task sharing of surgical duties with medical doctors (MDs) without formal surgical training and associate clinicians (ACs; health care workers corresponding to an educational level between that of a nurse and ... -
Outcomes following small bowel obstruction due to malignancy in the national audit of small bowel obstruction.
NASBO, NASBO Collaborators; Bolkan, Håkon Angell (Peer reviewed; Journal article, 2019)Introduction Patients with cancer who develop small bowel obstruction are at high risk of malnutrition and morbidity following compromise of gastrointestinal tract continuity. This study aimed to characterise current ... -
Outcomes of obstructed abdominal wall hernia: results from the UK national small bowel obstruction audit
Bolkan, Håkon Angell; National Audit of Small Bowel, NASBO Collaborators (Peer reviewed; Journal article, 2020)Background Abdominal wall hernia is a common surgical condition. Patients may present in an emergency with bowel obstruction, incarceration or strangulation. Small bowel obstruction (SBO) is a serious surgical condition ... -
Perinatal outcomes of cesarean deliveries in Sierra Leone: A prospective multicenter observational study
van Duinen, Aalke Johan; Westendorp, Josien; Kamara, Michael M; Forna, Fatu; Hagander, Lars; Leather, Andy J.M.; Wibe, Arne; Bolkan, Håkon Angell; Rijken, Marcus J. (Peer reviewed; Journal article, 2020)Objective To analyze the indications for cesarean deliveries and factors associated with adverse perinatal outcomes in Sierra Leone. Methods Between October 2016 and May 2017, patients undergoing cesarean delivery ... -
PREvalence Study on Surgical COnditions (PRESSCO) 2020: A Population-Based Cross-Sectional Countrywide Survey on Surgical Conditions in Post-Ebola Outbreak Sierra Leone
van Kesteren, Jurre; van Duinen, Aalke Johan; Marah, Foday; van Delft, Diede; Spector, Antoinette L.; Cassidy, Laura D.; Groen, Reinou S.; Jabbi, Sonnia-Magba Bu-Buakei; Bah, Silleh; Medo, James A.; Kamanda-Bongay, Abubakarr; van Leerdam, Daniel; Westendorp, Josien; Mathéron, Hanna M.; Mönnink, Giulia L. E.; Vas Nunes, Jonathan; Lindenbergh, Karel C.; Hoel, Sara Kathleen; Løvdal, Sofie Mack; Østensen, Mia Nyeng; Solberg, Helene; Boateng, Daniel; Klipstein-Grobusch, Kerstin; van Herwaarden, Daan; Martens, Janine P. J.; Bonjer, H. Jaap; Sankoh, Osman; Grobusch, Martin P.; Bolkan, Håkon Angell (Journal article; Peer reviewed, 2022) -
Risikokalkulering av pasienter som gjennomgår akutt laparotomi - en retrospektiv studie ved St. Olavs hospital
Henriksveen, Kristian Jostad; Reinholdtsen, Eirik Reinholdtsen (Master thesis, 2021)Bakgrunn: National Emergency Laparotomy Audit (NELA) setter fokus på viktigheten av å tidlig identifisere høyrisikopasienter som gjennomgår akutt laparotomi, en pasientgruppe kjennetegnet av høy mortalitet og morbiditet. ... -
Risikokalkulerings av pasienter som gjennomgår akutt laparotomi - en retrospektiv studie ved St. Olavs hospital
Reinholdtsen, Eirik Midtgaard; Henriksveen, Kristian Jostad (Master thesis, 2021)Bakgrunn: National Emergency Laparotomy Audit (NELA) setter fokus på viktigheten av å tidlig identifisere høyrisikopasienter som gjennomgår akutt laparotomi, en pasientgruppe kjennetegnet av høy mortalitet og morbiditet. ... -
Safety, productivity and predicted contribution of a surgical task-sharing programme in Sierra Leone
Bolkan, Håkon Angell; van Duinen, Aalke Johan; Waalewijn, Bart; Elhassein, Mohamed; Kamara, T. B.; Deen, G F; Bundu, Ibrahim; Ystgaard, Brynjulf; von Schreeb, Johan; Wibe, Arne (Journal article; Peer reviewed, 2017) -
The Impact of the West Africa Ebola Outbreak on Obstetric Health Care in Sierra Leone
Brolin, Kim; van Duinen, Aalke Johan; Nordenstedt, Helena; Hoijer, J; Molnes, Ragnhild; Frøseth, Torunn Wigum; Koroma, AP; Darj, Elisabeth; Bolkan, Håkon Angell; Ekström, A (Journal article; Peer reviewed, 2016)Background As Sierra Leone celebrates the end of the Ebola Virus Disease (EVD) outbreak, we can begin to fully grasp its impact on already weak health systems. The EVD outbreak in West Africa forced many hospitals to ... -
The rate and perioperative mortality of caesarean section in Sierra Leone
Holmer, Hampus; Kamara, Michael M.; Bolkan, Håkon Angell; van Duinen, Aalke Johan; Conteh, Sulaiman; Forna, Fatu; Hailu, Binyam; Hansson, Stefan R.; Koroma, Alimamy Philip; Koroma, Michael M.; Liljestrand, Jerker; Lonnee, Herman; Sesay, Santigie; Hagander, Lars (Journal article; Peer reviewed, 2019)Introduction Sierra Leone has the world’s highest maternal mortality, partly due to low access to caesarean section. Limited data are available to guide improvement. In this study, we aimed to analyse the rate and mortality ...