Odd Martin Vallersnes
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View article: Changes in clinical features and severity in patients presenting to European emergency departments with acute cannabis toxicity over the 10‐year period from 2013 to 2022
Changes in clinical features and severity in patients presenting to European emergency departments with acute cannabis toxicity over the 10‐year period from 2013 to 2022 Open
Background and aims In recent years, the potency of natural cannabis products (herb and resin) has increased with a higher delta‐ 9‐tetrahydrocannabinol (Δ9‐THC) content, but there are limited data on trends on clinical presentation and se…
View article: Drug and alcohol poisonings treated at Oslo Accident and Emergency Outpatient Clinic 2019–23
Drug and alcohol poisonings treated at Oslo Accident and Emergency Outpatient Clinic 2019–23 Open
The incidence of drug and alcohol poisonings treated at OAEOC increased from 2019 to 2023, with a temporary decline during the COVID-19 pandemic.
View article: Acute recreational drug and ethanol poisoning among adolescents: An observational study from Oslo, Norway 2014–2023
Acute recreational drug and ethanol poisoning among adolescents: An observational study from Oslo, Norway 2014–2023 Open
Recreational drug poisoning in Oslo among adolescents was dominated by ethanol, cannabis, benzodiazepines, and heroin.
View article: Utilisation of a GP-staffed emergency response unit: an observational study from Norway
Utilisation of a GP-staffed emergency response unit: an observational study from Norway Open
Background Emergency department (ED) crowding is a growing challenge, highlighting the need for safe and effective prehospital alternatives to hospital conveyance. Aim To investigate how a GP-staffed emergency primary care response unit (E…
View article: Adequately identifying low-risk chest pain in emergency primary care: evaluating the performance of preHEAR(T) based on two European cohorts
Adequately identifying low-risk chest pain in emergency primary care: evaluating the performance of preHEAR(T) based on two European cohorts Open
Background Differentiating cardiac from non-cardiac acute chest pain poses a diagnostic challenge, especially in primary care. The History, ECG, Age, Risk factors and Troponin level (HEART) score aid in risk stratification in hospitals, wh…
View article: Authors' Response Letter - Expanding the Use of Point-of-Care hs-cTnI in Emergency Primary Care: Insights from the OUT-POC Pilot Study
Authors' Response Letter - Expanding the Use of Point-of-Care hs-cTnI in Emergency Primary Care: Insights from the OUT-POC Pilot Study Open
View article: Gamma-hydroxybutyrate poisoning: clinical diagnosis versus laboratory findings
Gamma-hydroxybutyrate poisoning: clinical diagnosis versus laboratory findings Open
In only two out of three patients with clinically suspected gamma-hydroxybutyrate poisoning was gamma-hydroxybutyrate found in a blood sample, indicating that clinicians might overdiagnose gamma-hydroxybutyrate poisoning.
View article: Rapid rule-out of acute myocardial infarction using the 0/1-hour algorithm for cardiac troponins in emergency primary care: the OUT-ACS implementation study
Rapid rule-out of acute myocardial infarction using the 0/1-hour algorithm for cardiac troponins in emergency primary care: the OUT-ACS implementation study Open
The ESC 0/1-hour algorithm effectively assesses low-risk acute chest pain in emergency primary care, reinforcing its gatekeeper role by managing these patients at a lower level of care.
View article: Increased risk of adverse maternal pregnancy outcomes among undocumented migrants in Norway
Increased risk of adverse maternal pregnancy outcomes among undocumented migrants in Norway Open
View article: Veilederatferd og opplevd læringsutbytte ved klinisk veiledning av medisinstudenter
Veilederatferd og opplevd læringsutbytte ved klinisk veiledning av medisinstudenter Open
Bakgrunn: Kliniske veilederes pedagogiske ferdigheter har stor betydning for studenters læring. Vi undersøkte hva slags veilederatferd som ga medisinstudenter i Norge og norske medisinstudenter i utlandet en opplevelse av godt læringsutbyt…
View article: Drugs in blood and urine samples from victims of suspected exposure to drink spiking: A prospective observational study from Oslo, Norway
Drugs in blood and urine samples from victims of suspected exposure to drink spiking: A prospective observational study from Oslo, Norway Open
Objective People regularly contact emergency medicine services concerned that they have been exposed to drink spiking, i.e., exposure to drugs without their knowledge or permission. We identified drugs in blood and urine samples from patie…
View article: The numbers speak
The numbers speak Open
View article: Engangskateterisering ved urinretensjon
Engangskateterisering ved urinretensjon Open
View article: Perinatal mortality among pregnant undocumented migrants in Norway 1999–2020: A register-based population study
Perinatal mortality among pregnant undocumented migrants in Norway 1999–2020: A register-based population study Open
Being undocumented is strongly associated with perinatal mortality in the offspring. Disparities were not explained by maternal origin or maternal health factors, indicating that social determinants of health through delays in receiving ad…
View article: Clinical effects of cannabis compared to synthetic cannabinoid receptor agonists (SCRAs): a retrospective cohort study of presentations with acute toxicity to European hospitals between 2013 and 2020
Clinical effects of cannabis compared to synthetic cannabinoid receptor agonists (SCRAs): a retrospective cohort study of presentations with acute toxicity to European hospitals between 2013 and 2020 Open
This study directly compares presentations with acute drug toxicity related to the lone use of cannabis or synthetic cannabinoid receptor agonists. It supports previous findings of increased neuropsychiatric toxicity from synthetic cannabi…
View article: Immediate or delayed trial without catheter in acute urinary retention in males: A systematic review
Immediate or delayed trial without catheter in acute urinary retention in males: A systematic review Open
Objective To compare the success of establishing spontaneous micturition following immediate trial without catheter (TWOC) to delayed TWOC in males catheterized for acute urinary retention. Materials and methods In this systematic review, …
View article: Adverse Maternal Pregnancy Outcomes Among Undocumented Migrants in Norway
Adverse Maternal Pregnancy Outcomes Among Undocumented Migrants in Norway Open
View article: Self-discharge during treatment for acute recreational drug toxicity: an observational study from emergency departments in seven European countries
Self-discharge during treatment for acute recreational drug toxicity: an observational study from emergency departments in seven European countries Open
Background Self-discharge is a risk factor for readmission and excess mortality. We assess the rate of self-discharge from the emergency department (ED) among presentations for acute recreational drug toxicity and identify factors associat…
View article: Determinants of Admission to Critical Care Following Acute Recreational Drug Toxicity: A Euro-DEN Plus Study
Determinants of Admission to Critical Care Following Acute Recreational Drug Toxicity: A Euro-DEN Plus Study Open
This study aimed to characterize patients admitted to critical care following Emergency Department (ED) presentation with acute recreational drug toxicity and to identify determinants of admission to critical care. A retrospective multicen…
View article: Intranasal analgesia for acute moderate to severe pain in children – a systematic review and meta-analysis
Intranasal analgesia for acute moderate to severe pain in children – a systematic review and meta-analysis Open
View article: Use of emergency primary care among pregnant undocumented migrants over ten years: an observational study from Oslo, Norway
Use of emergency primary care among pregnant undocumented migrants over ten years: an observational study from Oslo, Norway Open
Pregnant undocumented migrants were more severely sick when presenting to emergency primary care services than pregnant residents. Increased access to primary care and emergency primary care services for pregnant undocumented migrants is u…
View article: Etter overdosen
Etter overdosen Open
View article: European standards for undergraduate medical education in general practice; a blueprint - for action
European standards for undergraduate medical education in general practice; a blueprint - for action Open
There is compelling evidence that general practice (GP) is the most effective form of healthcare. However, healthcare policy appears independent of evidence and GP is woefully under-resourced in all countries, and this affects recruitment.…
View article: Use of emergency primary care among pregnant undocumented migrants over ten years: an observational study from Oslo, Norway
Use of emergency primary care among pregnant undocumented migrants over ten years: an observational study from Oslo, Norway Open
To compare consultations with pregnant undocumented migrants at emergency primary health care to consultations with pregnant residents of Norway. A cross-sectional study of consultations at several time points. The study was conducted at t…
View article: Sexually transmitted infections among patients attending a sexual assault centre: a cohort study from Oslo, Norway
Sexually transmitted infections among patients attending a sexual assault centre: a cohort study from Oslo, Norway Open
Objectives We estimate the prevalence of sexually transmitted infection (STI) among patients after sexual assault, assess the possible value of azithromycin prophylaxis, and identify risk factors for assault-related STI and for not present…
View article: Novel psychoactive substances-related presentations to the emergency departments of the European drug emergencies network plus (Euro-DEN plus) over the six-year period 2014–2019
Novel psychoactive substances-related presentations to the emergency departments of the European drug emergencies network plus (Euro-DEN plus) over the six-year period 2014–2019 Open
This large multicentre series of NPS presentations to European EDs showed marked geographical variation and changes over time in the proportion of presentations to ED involving NPS, as well as the proportion of NPS subgroups.
View article: Early clinical exposure in undergraduate medical education: A questionnaire survey of 30 European countries
Early clinical exposure in undergraduate medical education: A questionnaire survey of 30 European countries Open
Fifteen years ago, a European survey demonstrated widespread adoption of early clinical exposure (ECE) programmes but little emphasis in the curricula of medical schools. We now repeat the survey in light of the ample emerging data suggest…
View article: Use of non-governmental maternity services and pregnancy outcomes among undocumented women: a cohort study from Norway
Use of non-governmental maternity services and pregnancy outcomes among undocumented women: a cohort study from Norway Open
View article: Cost-effectiveness of a rule-out algorithm of acute myocardial infarction in low-risk patients: emergency primary care versus hospital setting
Cost-effectiveness of a rule-out algorithm of acute myocardial infarction in low-risk patients: emergency primary care versus hospital setting Open
View article: Poisoning with central stimulant drugs: an observational study from Oslo, Norway
Poisoning with central stimulant drugs: an observational study from Oslo, Norway Open