12 research outputs found
Impact of different infliximab dose regimens on treatment response and drug survival in 462 patients with psoriatic arthritis: results from the nationwide registries DANBIO and ICEBIO.
To access publisher's full text version of this article, please click on the hyperlink in Additional Links field or click on the hyperlink at the top of the page marked Files.
This article is open access.The aim of this study was to describe dose regimens, dose escalation and clinical outcomes in TNF-Îą inhibitor (TNFi)-naive patients with PsA treated with infliximab in routine rheumatology care.We conducted an observational cohort study based on the nationwide Danish Rheumatologic Database (DANBIO) and Center for Rheumatology Research (ICEBIO) registries. Stratified by country, characteristics of patients treated with â¤3 mg infliximab/kg body weight, 3-5 mg/kg or âĽ5 mg/kg every 8 weeks were described. Outcomes were evaluated by ACR 20%, 50% and 70% (ACR20/50/70) responses and European League Against Rheumatism good response after 6 months, disease activity after 12 months, Kaplan-Meier plots and regression analyses.Four hundred and sixty-two patients (376 Danish, 86 Icelandic) received treatment with infliximab. In Danish patients, the starting dose was â¤3 mg/kg in 110 patients (29%), 3-5 mg/kg in 157 (42%), âĽ5 mg/kg in 38 (10%) and unregistered in 71 (19%). In Icelandic patients, corresponding numbers were 64 (74%), 17 (27%), 0 (0%) and 5 (6%). Patients with a higher body weight received lower doses per kilogram. Danish patients received higher doses than Icelandic patients at baseline [median 3.1 (interquartile range 3.0-3.8) vs 2.3 (2.1-2.9) mg/kg, P 70% of Icelandic and Danish PsA patients treated with infliximab received sustained doses below the 5 mg/kg every 8 weeks recommended in international guidelines. Lower starting doses did not affect drug survival or response
âWhere There Are Stars, There Is Also Darknessâ : Young Icelandic Menâs Experience of Prescription Drug Misuse
Publisher Copyright: Š The Author(s) 2022.Misuse of prescription drugs is a public health problem in many places around the world, including Iceland. It is considered most common among 18- to 25-year-olds, various risk factors and motives explain this trend. The purpose of this study was to examine young Icelandic menâs experience of prescription drug misuse. Participants in this study were seven Icelandic males, 18â26 years old, mean age was 20.9. Data were collected through 14 interviews and then processed using a qualitative methodological approach based on Vancouverâs school of phenomenology. The overriding theme of the study âWhere there are stars, there is also darknessâ refers to the common thread in participantsâ experiences of misuse of prescription drugs that were initially positive but quickly turned negative. Four main themes were identified: influence factors, reasons, onset, and continued drug misuse. The influencing factors were social influence, social group, lack of knowledge, and curiosity. The main reasons for the drug misuse were to suppress distress, improve capacity and efficiency, or have fun and avoid boredom. The onset of prescription drug misuse was characterized by quick fixes, misuse of oneâs own medication or medication from a friend/family member. Continued misuse was characterized by a vicious circle, black market, medical visits on false pretenses, and symptoms of dependence and addiction. It is necessary to highlight this public health problem that prescription drug misuse among young Icelandic males appear to be and it needs to be considered as a multifarious problem as the results indicate that its nature is truly complex.Peer reviewe
Comparison of Pain Management Strategies to Reduce Opioid Use Postoperatively in Free Flap Breast Reconstruction : Pain Catheter versus Nerve Block in Addition to Refinements in the Oral Pain Management Regime
Background: Perioperative management in autologous breast reconstruction has gained focus in recent years. This study compares two pain management protocols in patients undergoing abdominal-based free flap breast reconstruction: a past protocol (PP) and a current protocol (CP)-both intended to reduce opioid consumption postoperatively. The PP entails use of a pain catheter in the abdominal wound and the CP consists of an intraoperative nerve block in addition to refinements in the oral pain management. We hypothesize that the CP reduces opioid consumption compared to PP. Methods: From December 2017 to January 2020, 102 patients underwent breast reconstruction with an abdominal-based free flap. Two postoperative pain management strategies were used during the period; from December 2017 to September 2018, the PP was used which entailed the use of a pain catheter with ropivacaine applied in the abdominal wound with continuous distribution postoperatively in addition to paracetamol orally and oxycodone orally pro re nata (PRN). From October 2018 to January 2020, the CP was used. This protocol included a combination of intraoperative subfascial nerve block and a postoperative oral pain management regime that consisted of paracetamol, celecoxib, and gabapentin as well as oxycodone PRN. Results: The CP group ( n = 63) had lower opioid consumption compared to the PP group ( n = 39) when examining all aspects of opioid consumption, including daily opioid usage in morphine milligram equivalents and total opioid usage during the stay ( p < 0.001). The CP group had shorter length of hospital stay (LOS). Conclusion: Introduction of the CP reduced opioid use and LOS was shorter
The prognostic effect of known and newly detected type 2 diabetes in patients with acute coronary syndrome.
To access publisher's full text version of this article click on the hyperlink belowBackground: Dysglycemia is a well-established risk factor of coronary artery disease. Less is known of the prognostic effect of dysglycemia in acute coronary syndromes (ACSs). The aim of this study was to evaluate the long-term outcome of patients with ACSs according to glucometabolic categories.
Methods: Patients with ACSs were consecutively included in the study. Among those with no previous history of type 2 diabetes (T2DM) glucose metabolism was evaluated with fasting glucose in plasma, glycated hemoglobin and a standard 2-h oral glucose tolerance test. Patients were classified having normal glucose metabolism, prediabetes, newly detected T2DM (nT2DM) and previously known T2DM (kT2DM). The clinical outcome parameters were death or myocardial infarction and other major adverse cardiac events (MACEs).
Results: A total of 372 ACS patients (male 75.8%, 65.1 years (SD: 11.8)) constituted the study population. The proportion diagnosed with normal glucose metabolism, prediabetes, nT2DM and kT2DM was 20.7%, 46.5%, 6.2% and 26.6%, respectively. The mean follow-up period was 2.9 years. Patients with prediabetes, nT2DM and kT2DM had a hazard ratio of 5.8 (95% confidence interval (CI) 0.8-44.6), 10.9 (95% CI 1.2-98.3) and 14.9 (95% CI 2.0-113.7), respectively, for death/myocardial infarction and 1.4 (95% CI 0.6-3.1), 2.9 (95% CI 1.1-8.0) and 3.3 (95% CI 1.5-7.6), respectively, for a composite of MACEs.
Conclusion: Patients with ACS and nT2DM or kT2DM were at increased risk of death/myocardial infarction and MACE compared with patients with normal glucose metabolism after approximately three years of follow-up.
Keywords: Acute coronary syndrome; prognosis; survival; type 2 diabetes.University of Iceland Research Fund
Landspitali University Hospital Research Fund
Icelandic Society of Cardiology Research Fun
Transition from open to robotically assisted approach on radical prostatectomies in Iceland. A nationwide, population-based study.
To access publisher's full text version of this article click on the hyperlink belowObjectives: In January 2015, radical prostatectomies (RPs) in Iceland changed almost entirely from being performed as open (ORP) to robotically assisted (RARP). This study assesses early surgical and short-term oncological outcome after ORP and RARP and evaluates the safety of transition between the two surgical techniques.
Methods: The study population involved 160/163 (98%) of all radical prostatectomies performed in Iceland between January 2013 and April 2016. Data on patients was collected retrospectively from medical records. Early surgical and short-term oncological outcomes were compared between the two surgical techniques.
Results: The ORP and RARP cohorts were comparable with respect to all clinical and pathological variables, except for median prostate volume, which was 45 mL in the ORP cohort and 37 mL in the RARP cohort (p = 0.03). Intraoperative blood loss was higher, hospital stay longer, catheterization time longer, and risk of complications within 30 days of surgery higher after ORP than RARP (p < 0.01). The operative time, positive surgical margin rate and recurrence free survival, within two years, was comparable between the two surgical techniques.
Conclusions: The transition from ORP to RARP in Iceland was safe and resulted in improved early surgical outcome. However, no conclusion can be drawn from this study regarding oncological outcome, due to short follow up and a small sample size.
Keywords: Prostate cancer; early outcomes; radical prostatectomy; robot-assisted, surgical technique.Lions Club Njordur, Icelan
Pulmonary carcinoid tumours: incidence, histology, and surgical outcome. A population-based study.
To access publisher's full text version of this article click on the hyperlink belowBACKGROUND:
Pulmonary carcinoids (PCs) represent only a minority of all primary pulmonary malignancies but they are the most common type of pulmonary malignancy diagnosed in children and adolescents. In this nationwide study, we analyzed data on all PC tumours in the Icelandic population over a 60-year period and concentrated especially on incidence and patient outcomes.
METHODS:
We studied all cases of PCs diagnosed in Iceland in the period 1955â2015. Histological specimens were re-evaluated and the tumours were staged according to the TNM system (seventh edition). Survival was estimated using the Kaplan-Meier method, with a mean follow-up of 15.7 years.
RESULTS:
Altogether, 88 patients (median age 51.0 years, 65.9% women) were diagnosed with PCs in the study period. The incidence increased from 0.19/100,000/year in the first decade (1955â1964) to 0.58/100,000/year in the last decade (2005â2015), with a mean increase of 29.0% per decade of the study period (pâ<â0.001). The rise in incidental detection was, however, not significant. The median tumour diameter was 2.2 cm (range 0.4â7.0) and typical histology was seen in 74 patients (84.1%). The other 14 patients (15.9%) had atypical histology. In all, 90.9% of the patients underwent pulmonary resection, 81.2% of them with lobectomy, with all of them surviving at least 30 days postoperatively. Most patients (nâ=â52, 62.7%) were stage IA at diagnosis, 15 (18.1%) were stage IB, nine (10.8%) were stage IIA, and three were stage IIIA (3.6%). Four patients (4.8%) had distant metastases (stage IV), two of whom had typical histology. Five-year survival was 89.8% for all patients: 93.2% for patients with typical histology and 70.7% for those with atypical histology.
CONCLUSION:
The incidence of PCs in Iceland has increased significantly over the last six decades, which cannot be explained by a rise in incidental detection at chest imaging. Most patients have localized disease and a favourable histology, where the long-term outcome is excellent
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Radiocarbon Anomalies Observed for Plants Growing in Icelandic Geothermal Waters
From the 14th International Radiocarbon Conference held in Tucson, AZ, May 20-24, 1991.We have studied plant remains in thick beds of lacustrine sediments in the upper part of the MarkarfljĂłt drainage area in southern Iceland. We collected small samples of plant species from the same horizon and 14C dated them at the Aarhus AMS Dating Laboratory. Terrestrial plants yielded an age of 9 ka BP, whereas aquatic moss (Fontinalis antipyretica Hedw.) yielded the surprisingly old 14C age of 16 ka BP. We believe the age of the terrestrial plants reflects the true age of the sediment. The anomalously old 14C age of the aquatic moss may be an effect of geothermal water on the moss, as the area is known to be geothermally active today. Modern aquatic moss growing in geothermal water showed a similar 14C anomaly, with measured ages ranging from 6 to 8 ka BP, which may be explained by the equally old ages measured for the corresponding water samples. The 14C content of geothermal springs and neighboring rivers in the area ranges from 9 to 50 pMC, equivalent to an apparent age of 20-5.5 ka BP.This material was digitized as part of a cooperative project between Radiocarbon and the University of Arizona Libraries.The Radiocarbon archives are made available by Radiocarbon and the University of Arizona Libraries. Contact [email protected] for further information.Migrated from OJS platform February 202
Improved long-term outcome of surgical AVR for AS: Results from a population-based cohort.
To access publisher's full text version of this article click on the hyperlink belowMean age was 71 years, 65.1% were males, and mean EuroSCORE II was 3.9. Mean preoperative aortic valve area increased significantly (0.013âcm2 /year; Pâ<â.001) and mean aortic cross-clamp time declined (108 minutes, 2.8âmin/year; Pâ<â.001). The rate of complications decreased, including new-onset atrial fibrillation (60.9% overall, decreased by 3.1%/year, Pâ=â.02), acute kidney injury (17.1%, 7.6%/year, Pâ<â.001), and reoperation for bleeding (12.5%, 6.3%/year, Pâ=â.02). Operative mortality did not change (5.4%); nor did 1- and 5-year overall survival (92.5% and 81.6%, respectively). Notable long-term events were chronic heart failure (27.7 admissions/100 patient-years), embolic event (15.9/100 patient-years), and bleeding (13.0/100 patient-years).University of Iceland Research Fund
Helga Jonsdottir and Sigurlidi Kristjansson Memorial Fund
Landspitali University Hospital Research Fund
Magnus Benjaminsson and Sigridur Einarsdottir Memorial Fun
Immediate and long-term need for permanent cardiac pacing following aortic valve replacement.
To access publisher's full text version of this article click on the hyperlink belowIntroduction: Atrioventricular (AV) node conduction disturbances are common following surgical aortic valve replacement (SAVR), and in some cases the patient needs a permanent pacemaker (PPM) implantation before discharge from hospital. Little is known about the long-term need for PPM and the PPM dependency of these individuals. We determined the incidence of PPM implantation before and after discharge in SAVR patients. Methods: We studied 557 consecutive patients who underwent SAVR for aortic stenosis in Iceland between 2002 and 2016. Timing and indication for PPM were registered, with a new concept, ventricular pacing proportion (VPP), defined as ventricular pacing âĽ90% of the time, being used to approximate pacemaker dependency. The median follow-up time was 73âmonths. We plotted the cumulative incidence of pacemaker implantation, treating death as a competing risk. Results: Of the 557 patients, 22 (3.9%) received PPM in the first 30âdays after surgery, most commonly for complete AV block (nâ=â14) or symptomatic bradycardia (nâ=â8); Thirty-eight other patients (6.8%) had a PPM implanted >30âdays postoperatively, at a median of 43âmonths after surgery (range 0â181), most often for AV block (nâ=â13) or sick-sinus syndrome (nâ=â10). The cumulative incidence of PPM implantation at 1, 5, and 10âyears postoperatively was 5.0%, 9.2%, and 12.3%, respectively. During follow-up, 45.0% of the 60 patients had VPP âĽ90%. Conclusion: The cumulative incidence of permanent pacemaker implantation following SAVR was about 12% at 10âyears, with every other patient having VPP âĽ90% during follow-up. This suggests that AV node conduction disturbances extend significantly beyond the perioperative period.Landspitali University Research Fund
University of Iceland Research Fun
Reoperation for bleeding following coronary artery bypass surgery with special focus on long-term outcomes.
To access publisher's full text version of this article click on the hyperlink belowObjectives: We studied the incidence and risk factors of reoperation for bleeding following CABG in a nationwide cohort with focus on long-term complications and survival. Design: A retrospective study on 2060 consecutive, isolated CABG patients operated 2001-2016. Outcome of reoperated patients (nâ=â130) were compared to non-reoperated ones (nâ=â1930), including major adverse cardiac and cerebrovascular events (MACCE) and overall survival. Risk factors for reoperation were determined using multivariate logistic regression and a Cox proportional hazards model to assess prognostic factors of long-term survival. Median follow-up was 7.6âyears. Results: One hundred thirty patients (6.3%) were reoperated with an annual decrease of 4.1% per year over the study period (p=.04). Major complications (18.5 vs. 9.6%) and 30-day mortality (8.5 vs. 1.9%,) were higher in the reoperation group (p<.001). The use of clopidogrel preoperatively (OR 3.62, 95% CI: 1.90-6.57) and reduced left ventricular ejection fraction (OR 2.23, 95% CI: 1.25-3.77) were the strongest predictors of reoperation, whereas off-pump surgery was associated with a lower reoperation risk (OR 0.44, 95% CI: 0.22-0.85). After exluding patients that died within 30âdays postoperatively, no difference in long-term survival or freedom from MACCE was found between groups, and reoperation was not an independent risk factor for long-term mortality in multivariate analysis. Conclusions: The reoperation rate in this study was relatively high but decreased significantly over time. Reoperation was associated with twofold increased risk for major complications and fourfold 30-day mortality, but comparable long-term MACCE and survival rates. This implies that if patients survive the first 30Â days following reoperation, their long-term outcome is comparable to non-reoperated patients