https://ki.se RSS News Listing https://news.ki.se/common-inexpensive-drug-halves-recurrence-in-colorectal-cancer A Swedish-led research team at Karolinska Institutet and Karolinska University Hospital has shown in a new randomized clinical trial that a low dose of the well-known medicine aspirin halves the risk of recurrence after surgery in patients with colon and rectal cancer with a certain type of genetic alteration in the tumor. Wed, 17 Sep 2025 23:00:14 +0200 https://news.ki.se/caroline-nordenvall-received-the-2025-major-research-award-at-kirurgveckan We congratulate Caroline Nordenvall, Docent and Lecturer in surgery, who was awarded the Major Research Award during the Surgeons' Week in Linköping 2025. Mon, 25 Aug 2025 14:29:53 +0200 https://news.ki.se/new-surgical-method-for-groin-hernia-in-women In a study conducted in Uganda and published in JAMA Surgery, researchers from Karolinska Institutet evaluated a new surgical method for treating groin hernias in women. The method could become an alternative in resource-limited settings where laparoscopic techniques are not generally available. Thu, 17 Jul 2025 15:36:26 +0200 https://news.ki.se/thesis-on-groin-hernia-surgery-in-women Alphonsus Matovu, PhD student at the Reconstructive Plastic Surgery and Global Surgery research group, the Department of Molecular Medicine and Surgery, will defend his thesis "Groin Hernia Surgery in Women. Outputs, Factors, Methods and Costeffectiveness" on June 2, 2025. Main Supervisor is Jenny Löfgren. Mon, 26 May 2025 14:15:43 +0200 https://news.ki.se/heart-valve-abnormality-is-associated-with-malignant-arrhythmias People with a certain heart valve abnormality are at increased risk of severe heart rhythm disorders, even after successful valve surgery. This is according to a new study from Karolinska Institutet and Karolinska University Hospital in Sweden published in the European Heart Journal. The condition is more common in women and younger patients with valve disorder and can, in the worst case, lead to sudden cardiac arrest. Tue, 15 Apr 2025 08:00:15 +0200 https://news.ki.se/new-thesis-on-papillary-thyroid-cancer Helene Lindfors, PhD student at the Endocrine Surgery research group, the Department of Molecular Medicine and Surgery, will defend her thesis "Tumor burden, thyroglobulin and Ki-67 as prognostic indicators in papillary thyroid cancer" on April 2025. Main supervisor is Ivan Shabo. Thu, 27 Mar 2025 10:57:06 +0100 https://news.ki.se/fredrik-lundberg-donates-sek-25-million-to-cardiovascular-research-at-ki-0 Business magnate and honorary doctor at Karolinska Institutet Fredrik Lundberg is donating SEK 25 million for a continued investment in cardiovascular research. This is the fifth large donation made since 2007 by Lundberg, whose engagement has enabled research that has greatly improved therapeutic and surgical methods for cardiovascular diseases. Wed, 20 Nov 2024 13:40:34 +0100 https://news.ki.se/wants-to-personalise-prostate-cancer-treatment Prostate cancer accounts for more male deaths in Sweden than any other form of cancer. However, how the disease progresses and how fatal it is depend on the type of tumour. Olof Akre hopes to find better prognostic indicators that will help to personalise treatment. Meet one of the new professors of Karolinska Institutet who will participate in this year's installation ceremony at Aula Medica on 3 October. Fri, 06 Sep 2024 09:00:11 +0200 https://news.ki.se/caroline-nordenvall-awarded-twice-at-the-surgeons-week-2024 We congratulate Caroline Nordenvall, docent and lecturer in surgery, who was awarded two prizes during the Surgeons' Week in Karlstad 2024. She was awarded both with the Regional Prize of Stora Forskarpriset and the Bengt Ihre Scholarship 2024. Mon, 26 Aug 2024 14:10:10 +0200 https://news.ki.se/course-in-trauma-and-disaster-aims-at-going-national A lorry explodes on the E4 motorway, there is a fire at the Hovet arena, someone takes hostages at Tom Titts, there's an explosion at Arlanda - it all happens at the same time and the medical services in Region Stockholm have to deal with a large number of injured patients at once. Fortunately, it was all just an exercise. The exercise, which is part of the TKS course, now aims to be developed into a national course concept. Tue, 16 Apr 2024 14:24:57 +0200 https://news.ki.se/an-opportunity-to-learn-from-each-other-when-120-medics-from-the-front-line-in-ukraine-came-for-a-visit On Thursday, 28 March, the Sune Bergström auditorium at Karolinska University Hospital was filled with Ukrainian paramedics, when the hospital, together with the Centre for Health Crises at Karolinska Institutet, arranged a visit dedicated to the exchange of experiences, discussions, and guided tours. Wed, 03 Apr 2024 10:44:51 +0200 https://news.ki.se/mental-health-problems-not-reduced-after-obesity-surgery-in-young-people Young people who have had surgery for obesity do not improve their mental health despite significant and permanent weight loss. However, bariatric surgery increases the risk of early alcohol problems. This is according to the largest long-term study of young people who have undergone bariatric surgery, conducted at Lund University and Karolinska Institutet, among others. Fri, 29 Dec 2023 12:01:39 +0100 https://news.ki.se/anna-martling-awarded-honorary-fellowship-in-american-college-of-surgeons We congratulate Professor Anna Martling, Research Group for Colorectal Surgery, Department of Molecular Medicine and Surgery, chief physician Tema Cancer, Karolinska University Hospital who has been named an Honorary Fellow of the American College of Surgeons. Wed, 01 Nov 2023 10:28:38 +0100 https://news.ki.se/new-expert-coordinator-with-a-passion-for-quality-of-care-and-improvement-work Lisa Strömmer is the new expert coordinator, in emergency surgery, at the Centre for Health Crises. She looks forward to, among other things, develop existing courses and work to make sure that emergency surgery as a competence is maintained in crisis preparedness, health crises and as a part of the total defense (Totalförsvaret). Wed, 20 Sep 2023 15:18:45 +0200 https://news.ki.se/risk-of-brain-haemorrhage-appears-transmissible-via-blood-transfusion A major study published in JAMA led by researchers at Karolinska Institutet suggests that a possible cause of spontaneous brain haemorrhage could be transmitted via blood transfusion. At the same time, it is very unlikely that anyone should suffer a brain haemorrhage after receiving donated blood. Tue, 12 Sep 2023 17:00:07 +0200 https://news.ki.se/ki-contributes-explores-the-health-crisis-of-war-through-art-0 The third installment in the seminar series KI Contributes explored the health crises created by war and armed conflict, through the medium of visual art. An Armenian artist and a Swedish surgeon shared their experiences of war and how humans live through it and try to make sense of their difficult experiences. Thu, 11 May 2023 11:47:12 +0200 https://news.ki.se/new-thesis-on-long-term-evaluation-of-patients-born-with-total-unilateral-cleft-lip-and-palate Petra Peterson at the Reconstructive Plastic Surgery research group, Department of Molecular Medicine and Surgery, will defend her thesis "A multidisciplinary long-term evaluation of patients born with unilateral cleft lip and palate treated with different surgical protocols" on December 2, 2022. Main Supervisor is Agneta Karsten, Dentmed. Tue, 29 Nov 2022 10:39:35 +0100 https://news.ki.se/new-thesis-on-stomach-cancer Johannes Asplund at the research group Upper GI Surgery, the Department of Molecular Medicine and Surgery, will defend his thesis "Towards an improved survival in gastric cancer" on November 25th, 2022. Main Supervisor is Jesper Lagergren. Fri, 18 Nov 2022 15:17:36 +0100 https://news.ki.se/professor-jan-zedenius-elected-president-of-iaes Congratulations to Professor Jan Zedenius who has been elected President of the International Association of Endocrine Surgeons, IAES. IAES is an integrated society of the International Society of Surgery ISS/SIC and the inauguration ceremony was held at the International Surgical Week in Vienna on August 16, 2022. Wed, 31 Aug 2022 16:15:17 +0200 https://news.ki.se/olle-ljungqvist-awarded-the-isssic-prize-2022 We are delighted to announce that Olle Ljungqvist has been awarded the prestigious international ISS/SIC Prize 2022 from the Société Internationale de Chirurgie. Mon, 22 Aug 2022 14:02:18 +0200 https://news.ki.se/johan-von-schreeb-wants-to-create-order-in-chaos When others run away from bad things, Johan von Schreeb can be found dashing towards them. He has a wealth of experience in bringing order to chaotic situations – but as an administrator, he’s a complete disaster. Meet the professor who wants to control the health crises of the future. Wed, 25 May 2022 08:44:51 +0200 https://news.ki.se/new-thesis-on-functional-bowel-dysfunction-after-rectal-cancer Emil Pieniowski at the research group Colorectal Surgery, Department of Molecular Medicine and Surgery, will defend his thesis "Aspects of low anterior resection syndrome : prevalence, risk factors and treatment" on April 22, 2022. Main Supervisor is Mirna Abraham Nordling. Wed, 20 Apr 2022 11:11:04 +0200 https://news.ki.se/variation-in-performance-between-different-artificial-heart-valves Researchers at Karolinska Institutet have studied long-term morbidity and mortality in individuals who have had different models of biological heart valves implanted. The results, which show that there are considerable differences in performance depending on model group, are published in the journal JAMA Network Open. Mon, 07 Mar 2022 17:00:09 +0100 https://news.ki.se/new-thesis-on-anterior-cruciate-ligament-reconstruction Riccardo Cristiani at the research group Sports Medicine, Department of Molecular Medicine and Surgery, will defend his thesis "Anterior cruciate ligament reconstruction : subjective knee function, graft failure and revision surgery" on December 17, 2021. Main Supervisor is Anders Stålman. Tue, 14 Dec 2021 12:09:54 +0100 https://news.ki.se/good-results-for-groin-hernia-operations-not-performed-by-doctors-in-sierra-leone In countries with a severe shortage of surgeons it is common for some operations to be carried out by medical staff with lower formal qualifications. Researchers at Karolinska Institutet have led an international study on the safety and efficacy of a common surgical procedure. The study, published in JAMA Network Open, shows that inguinal hernia operations performed by associate clinicians at a hospital in Sierra Leone were just as safe and effective as those performed by doctors. Mon, 11 Jan 2021 17:14:50 +0100 https://news.ki.se/improved-survival-after-obesity-operation-in-patients-with-previous-myocardial-infarction Researchers at Karolinska Institutet and Danderyd Hospital have studied the risk of additional myocardial infarctions and early death in severely obese patients who undergo metabolic surgery following a myocardial event. The registry study covering 1,018 individuals shows a lower risk of additional myocardial infarctions and improved survival that cannot be simply attributed to the loss of weight. The study is published in the journal Circulation. Mon, 26 Oct 2020 10:00:04 +0100 https://news.ki.se/weight-loss-surgery-cuts-risk-of-major-birth-defects Children born to women who underwent gastric bypass surgery before becoming pregnant had a lower risk of major birth defects than children born to women who had severe obesity at the start of their pregnancy. That’s according to a matched cohort study by researchers at Karolinska Institutet and Örebro University published in the scientific journal JAMA. The findings indicate that weight-loss and improved blood sugar control could reduce the risk of major birth defects. Tue, 15 Oct 2019 17:00:00 +0200 https://news.ki.se/transgender-individuals-at-greater-risk-of-mental-health-problems Correction: The article “Reduction in Mental Health Treatment Utilization Among Transgender Individuals After Gender-Affirming Surgeries: A Total Population Study,” published in The American Journal of Psychiatry on Oct. 4, 2019, has been corrected following a review of the statistical methodology and some of its conclusions. Mon, 07 Oct 2019 15:42:39 +0200 https://news.ki.se/fertility-sparing-surgery-is-as-good-as-radical-surgery-for-early-ovarian-cancer Young women with early stage ovarian cancer can undergo fertility-preserving surgery without affecting the safety of their cancer treatment, researchers from Karolinska Institutet in Sweden report in a national study published in the journal Gynecologic Oncology. Wed, 04 Sep 2019 11:00:00 +0200 https://news.ki.se/smaller-operational-margins-just-as-safe-in-high-risk-melanoma The standard treatment for aggressive skin cancer is to surgically remove the tumour. Researchers at Karolinska Institutet in Sweden now show that a 2 cm operational margin is sufficient, as opposed to the close to 4 cm margin previously applied by surgeons. For the study, which is published in The Lancet, the researchers monitored over 900 patients for an average span of 19 years after surgery. Fri, 05 Jul 2019 00:30:00 +0200 https://news.ki.se/new-knowledge-on-life-expectancy-after-aortic-valve-replacement Patients who have undergone surgical replacement of the heart’s aortic valve have a shorter life expectancy than the normal population, the loss in life expectancy being particularly marked in the young. This according to a registry study published in The Journal of the American College of Cardiology by researchers at Karolinska Institutet in Sweden. Mon, 01 Jul 2019 20:00:00 +0200 https://news.ki.se/no-outcome-differences-after-hernia-surgery-by-medical-doctors-vs-surgeons-in-ghana Jenny Löfgren from the group Vascular Surgery, the Department of Molecular Medicine and Surgery, has together with researchers from Ghana, USA and Sweden, conducted a study on inguinal hernia surgery recently published in JAMA Surgery. The study shows no statistically significant differences in inguinal hernia surgery completed by medical doctors vs. surgeons. Thu, 27 Jun 2019 09:47:38 +0200 https://news.ki.se/days-at-home-after-surgery-reveal-long-term-outcome Number-of-days-at-home within 30 days after surgery (DAH30) is a patient-centred outcome metrics that integrates length of hospital stay and any readmission or death within 30 days after a surgical procedure. Fri, 10 May 2019 13:39:43 +0200 https://news.ki.se/better-results-and-fewer-complications-if-achilles-tendon-rupture-is-operated-within-48-hours New study shows that patients with acute Achilles tendon rupture who undergo surgery within 48 hours experience a considerably better result with a smaller number of complications compared to patients who undergo surgery after 72 hours. Researchers at the group Orthopaedics, Department of Molecular Medicine and Surgery demonstrate this in a study recently published in The American Journal of Sports Medicine. Mon, 01 Apr 2019 10:47:10 +0200 https://news.ki.se/autologous-fat-transfer-can-reduce-radiation-induced-fibrosis-in-breast-cancer-patients Tue, 26 Mar 2019 09:14:04 +0100 https://news.ki.se/bariatric-surgery-linked-to-safer-childbirth-for-the-mother Wed, 26 Sep 2018 20:00:00 +0200 https://news.ki.se/use-of-muscle-relaxant-during-general-anaesthesia-increases-risk-of-pulmonary-complications Tue, 18 Sep 2018 09:32:12 +0200 https://news.ki.se/on-the-agenda-ethics-in-global-surgery Mon, 10 Sep 2018 11:31:51 +0200 https://news.ki.se/no-increased-risk-of-recurrence-in-breast-cancer-after-reconstruction-with-abdominal-tissue Mon, 23 Apr 2018 12:51:41 +0200 https://news.ki.se/relapse-rare-in-young-men-after-antireflux-surgery Wed, 13 Sep 2017 08:00:00 +0200 https://news.ki.se/coronary-artery-bypass-surgery-effective-in-patients-with-type-1-diabetes Mon, 28 Aug 2017 14:48:20 +0200 https://news.ki.se/childhood-sleep-apnoea-is-common-but-hard-to-diagnose Thu, 27 Apr 2017 10:49:17 +0200 https://news.ki.se/mosquito-net-better-for-groin-hernia-at-no-extra-cost Thu, 16 Feb 2017 13:34:00 +0100 https://news.ki.se/new-method-reduces-adverse-effects-of-rectal-cancer-treatment Fri, 10 Feb 2017 09:26:00 +0100 https://news.ki.se/good-long-term-results-of-obesity-surgery-in-young-people Thu, 12 Jan 2017 14:16:50 +0100 https://news.ki.se/obesity-surgery-increases-the-risk-of-preterm-birth Wed, 24 Aug 2016 23:00:00 +0200 https://news.ki.se/bariatric-surgery-increases-risk-of-depression-and-self-harm Thu, 14 Jul 2016 09:57:13 +0200 https://news.ki.se/long-learning-curve-for-surgeons-operating-on-oesophageal-cancer Tue, 08 Mar 2016 08:00:00 +0100 https://news.ki.se/mosquito-net-safe-to-use-in-inguinal-hernia-repair Thu, 14 Jan 2016 08:00:00 +0100 https://news.ki.se/type-2-diabetic-patients-should-be-prioritised-for-obesity-surgery Thu, 17 Sep 2015 09:10:00 +0200 https://news.ki.se/surgery-with-mosquito-mesh-may-reduce-the-suffering-of-millions Mon, 07 Sep 2015 12:30:00 +0200 https://news.ki.se/bariatric-surgery-affects-risk-of-pregnancy-complications Thu, 26 Feb 2015 08:05:00 +0100 https://news.ki.se/experienced-surgeons-means-fewer-splenic-injuries-in-operations-for-esophageal-cancer Mon, 05 May 2014 10:39:57 +0200 https://news.ki.se/surgery-offers-better-survival-rate-in-prostate-cancer Thu, 27 Feb 2014 08:15:00 +0100 https://news.ki.se/symptom-clusters-after-surgery-for-esophageal-cancer-predict-poor-prognosis Tue, 26 Nov 2013 13:24:28 +0100 https://news.ki.se/bariatric-surgery-can-lead-to-premature-birth Wed, 13 Nov 2013 00:00:00 +0100 https://news.ki.se/centralisation-to-fewer-surgeons-results-in-better-survival-after-oesophageal-cancer-surgery Tue, 08 Jan 2013 00:00:00 +0100 https://news.ki.se/impaired-quality-of-life-a-warning-signal-after-oesophageal-cancer-surgery Wed, 04 Jan 2012 00:00:00 +0100 https://news.ki.se/increased-risk-of-heart-attack-after-early-removal-of-appendix-or-tonsils Tue, 07 Jun 2011 00:00:00 +0200 https://news.ki.se/synthetic-mesh-can-improve-outcome-of-prolapse-surgery Thu, 12 May 2011 00:00:00 +0200 https://news.ki.se/abnormal-blood-values-indicate-increased-mortality-in-peg-operations Fri, 19 Nov 2010 00:00:00 +0100