Prognostic significance of free-floating right heart thromboemboli in acute pulmonary embolism

2014 ◽  
Vol 111 (01) ◽  
pp. 53-57 ◽  
Author(s):  
Cecilia Becattini ◽  
Emanuele Guglielmelli ◽  
Irene Floriani ◽  
Vincenzo Morrone ◽  
Carla Caponi ◽  
...  
Keyword(s):  
Pulmonary Embolism ◽  
High Risk ◽  
Univariate Analysis ◽  
Prognostic Significance ◽  
Low Risk ◽  
Risk Category ◽  
Intermediate Risk ◽  
Right Heart ◽  
Risk Of Death ◽  
Risk Patients

SummaryThe exact prevalence of mobile right heart thromboemboli (RHTh) in patients with pulmonary embolism (PE) is unknown, depending upon PE severity and the use of early echocardiography. Similarly, the mortality rate is variable, though RHTh detection appears to substantially increase the risk of death in patients with PE. The aim of this study was to assess the prevalence of RHTh in different risk categories in a wide series of patients with PE, and to analyse the effect of RHTh on in-hospital mortality. Among 1,716 patients enrolled in the Italian Pulmonary Embolism Registry, 1,275 (13.3% at high risk, 59.3% at intermediate risk and 27.4% at low risk) had echocardiography within 48 hours from hospital admission and entered the study. Overall, RHTh were detected in 57 patients (4.5%, at admission echocardiography in 88%): in 27/169 (16%) high-risk, in 29/756 (3.8%) intermediate-risk and 1/350 (0.3%) low-risk patients, respectively. At multivariate analysis, only advanced age (odds ratio [OR] 1.61, 95% confidence [CI] 1.27–2.03, p<0.0001), high-risk category (OR vs low-risk category 37.82, 95% CI 11.26–127.06, p<0.0001) and recurrent PE (OR 45.92, 95%CI 15.19–139.96, p<0.0001) showed a statistically significant effect on mortality. The presence of RHTh significantly increased the risk of dying (OR 3.89, 95%CI 1.98–7.67, p=0.0001) at univariate analysis, but this result was not mantained in the multivariate model (OR 1.64, 95%CI 0.75–3.60, p=0.216). In conclusion, though patients with RHTh had a more severe presentation of PE, this study did not detect an association between RHTh and prognosis.

Assessing a prognostic model for predicting VTE occurrence in cancer patients.

2012 ◽  
Vol 30 (15_suppl) ◽  
pp. 1577-1577
Author(s):  
Deesha Sarma ◽  
So Yeon Kim ◽  
David H. Henry
Keyword(s):  
High Risk ◽  
Cancer Patients ◽  
Risk Group ◽  
Low Risk ◽  
Risk Category ◽  
Valuable Insight ◽  
Intermediate Risk ◽  
High Risk Patients ◽  
Prophylactic Measures ◽  
Risk Patients

1577 Background: Venous thromboembolism (VTE) poses a significant health risk to cancer patients and is one of the leading causes of death among this population. The most effective way to prevent VTE and reduce its prominence as a public health burden is by identifying high-risk patients and administering prophylactic measures. In 2008, Khorana et al. developed a model that classified patients by risk based on clinical factors. Methods: We conducted a retrospective study to test this model’s efficacy, on 150 patients with cancer receiving chemotherapy at an outpatient oncology clinic between January 1 and August 1, 2011. We aggregated data and assigned points based on the five factors in the Khorana model: site of cancer with 2 points for very high-risk site and 1 point for high-risk site, 1 point each for leukocyte counts more than 11 x 109/L, platelet counts greater than 350 X 109/L, hemoglobin levels less than 100 g/L and/or the use of erythropoiesis-stimulating agents, and BMI greater than 35 kg/m2 (Khorana et al., Blood 2008). Based on this scoring system, patients with 0 points were grouped into the low-risk category, those with 1-2 points were considered intermediate-risk, and those with 3-4 points were classified as high-risk. Results: As shown in the table, VTE incidence for the low-risk group was 1.9%, intermediate-risk group was 3.9%, and high-risk group was 9.1%. Conclusions: High-risk patients were about 4.5 times more likely to develop a VTE than low risk patients. These results provide valuable insight in determining which patients might benefit from prophylaxis and in motivating the design of prospective clinical trials that assess the VTE predictive model in various ambulatory cancer settings. [Table: see text]

scholarly journals Integrated Mutational and Cytogenetic Analysis Identifies New Prognostic Subgroups in Chronic Lymphocytic Leukemia

Blood ◽  
2012 ◽  
Vol 120 (21) ◽  
pp. 712-712
Author(s):  
Davide Rossi ◽  
Silvia Rasi ◽  
Valeria Spina ◽  
Alessio Bruscaggin ◽  
Sara Monti ◽  
...  
Keyword(s):  
High Risk ◽  
General Population ◽  
Life Expectancy ◽  
Clonal Evolution ◽  
Lymphocytic Leukemia ◽  
Low Risk ◽  
Risk Category ◽  
Intermediate Risk ◽  
Newly Diagnosed ◽  
Risk Patients

Abstract Abstract 712 The identification of NOTCH1, SF3B1, MYD88 and BIRC3 genetic lesions in chronic lymphocytic leukemia (CLL) prompts a comprehensive and dynamic prognostic algorithm including gene mutations, chromosomal abnormalities, and their changes during clonal evolution. The study utilized both time-fixed (637 newly diagnosed CLL) and time-dependent (257 CLL provided with 524 sequential samples) approaches. Each sample was investigated for TP53, NOTCH1, SF3B1, MYD88, and BIRC3 mutations by Sanger sequencing and for 17p13, 11q22-q23, 13q14 and BIRC3 deletions and +12 by FISH. Del13q14 and +12 distributed in a mutually exclusive fashion (p<0.0001), and identified three main genetic subgroups: cases harboring del13q14, cases harboring +12 and cases lacking both del13q14 and +12. With the sole exception of the expected association between NOTCH1 mutations and +12 CLL (p=0.0014), the prevalence of the other genetic lesions did not differ among molecular subgroups. FISH abnormalities segregated patients in distinct prognostic groups according to Döhner (Fig 1A). Among new genetic lesions, survival analysis confirmed the independent prognostic value of NOTCH1, SF3B1 and BIRC3 lesions in this study cohort. MYD88 mutations had no prognostic effect (p=0.1728). Recursive partitioning analysis followed by random survival forest validation established the hierarchical order of relevance of the genetic lesions, and created an integrated mutational and cytogenetic (MUCY) model that classified newly diagnosed CLL into four prognostic subgroups (Fig 1B). High risk patients harbored TP53 disruption and/or BIRC3 disruption independent of co-occurring lesions (10-year survival: 29.1%). When the demographic effects of age, sex and year of diagnosis were compensated, the 10-year life expectancy of high risk patients was only 37.7% of that expected in the matched general population (p<0.0001). Intermediate risk patients harbored NOTCH1 and/or SF3B1 mutations and/or del11q22-q23 in the absence of TP53 and BIRC3 abnormalities (10-year OS: 37.1%). The 10-year life expectancy of intermediate risk patients was reduced to 48.5% compared to the matched general population (p<0.0001). The low risk category comprised both patients harboring +12 and patients wild type for all genetic lesions (i.e. normal) (10-year OS: 57.3%), with a 10-year life expectancy of 70.7% compared to the matched general population (p<0.0001). Very low risk patients harbored del13q14 as the sole genetic lesion (10-year OS: 69.3%), with a 10-year life expectancy only slightly (84.2%) and not significantly (p=0.1455) lower than that expected in the matched general population. Multivariate analysis selected the MUCY model as one of the most important independent risk factor of CLL OS (HR: 1.38; 95% CI: 1.18–1.60; p<0.0001; 99% bootstrap selection), along with age (HR: 1.06; 95% CI: 1.04–1.07; p<0.0001; 100% bootstrap selection), Rai stage (HR: 1.36; 95% CI: 1.23-1-51; p<0.0001; 100% bootstrap selection) and unmutated IGHV genes (HR: 1.63; 95% CI: 1.17–2.26; p=0.0039; 92% bootstrap selection). Overall, 21.5% (105/488) low risk patients according to the FISH model (del13q14, normal and +12) were reclassified into high risk genetic subgroups by the MUCY model because of the co-occurrence of NOTCH1 (64/488, 13.1%), SF3B1 (35/488, 7.1%), and TP53 (17/488, 3.4%) mutations or BIRC3 disruption (14/488, 2.8%). Consistently, the inclusion of NOTCH1, SF3B1 and BIRC3 lesions in addition to FISH abnormalities significantly improved the model accuracy of OS prediction (c-index: 0.617 vs c-index: 0.642 p<0.0001). At 10 years from diagnosis, 24.5% CLL of the very low and low risk genetic subgroups developed new TP53, NOTCH1, SF3B1, BIRC3 or del11q22-q23 lesions due to clonal evolution, and therefore switched to a higher risk category of the MUCY model. By time-dependent and landmark analysis, the MUCY model retained a statistically significant impact on CLL OS (HR: 1.52; 95% CI: 1.21–1.90; p=0.0003) at any time from diagnosis and independent of its dynamic changes due to clonal evolution. The MUCY model classifies CLL patients into more precise subgroups, advances our understanding of CLL biology, and improves current prognostic algorithms. These findings have relevant implications for the design of clinical trials aimed at assessing the use of mutational profiling to inform therapeutic decisions based on risk stratification. Disclosures: No relevant conflicts of interest to declare.

scholarly journals Clinical and angiopulmonographic association in pulmonary embolism

2021 ◽  
Vol 93 (4) ◽  
pp. 363-368
Author(s):  
Evgeniy S. Mazur ◽  
Vera V. Mazur ◽  
Robert M. Rabinovich ◽  
Mariya A. Bachurina
Keyword(s):  
Pulmonary Embolism ◽  
High Risk ◽  
Pulmonary Artery ◽  
Clinical Manifestations ◽  
Low Risk ◽  
Intermediate Risk ◽  
Pulmonary Infarction ◽  
Risk Patients ◽  
Pulmonary Artery Obstruction ◽  
Artery Obstruction

Aim. To detect the effect of the feature of the pulmonary vascular obstruction on the clinical manifestations of pulmonary embolism (PE). Materials and methods. The 127 patients with PE were included in this study. PE verified with multidetector computed tomography with pulmonary angiography. Among them were 57 patients with high-risk PE, and 39 patients with intermediate-risk PE and 31 patients with low-risk PE. The pulmonary artery obstruction index and the obstruction level were determined. Results. The mean values of the pulmonary artery obstruction index in high and intermediate risk patients were 42.5%, and in low risk patients 12.5% (p0.001). The trunk or main branches obstruction was in 80.7% of high-risk PE patients, the main or lobar branches obstruction in 92.3% of intermediate-risk patients and lobar or segmental branches obstruction in 93.5% of low-risk patients. Pulmonary infarction was detected in 89.2% of patients with the segmental branches obstruction and with another level of obstruction in 28.0% of patients only (p0.001). Conclusion. The hemodynamic disorder in pulmonary embolism associate with the pulmonary artery obstruction index of more than 30%. The development of obstructive shock is associated with the pulmonary artery trunk obstruction, and the development of pulmonary infarction associated with the segmental branches obstruction.

scholarly journals Contemporary Clinical Management and Course of ACUTE Pulmonary Embolism: The COPE Study

Blood ◽  
2021 ◽  
Vol 138 (Supplement 1) ◽  
pp. 3230-3230
Author(s):  
Cecilia Becattini ◽  
Giancarlo Agnelli ◽  
Aldo P Maggioni ◽  
Francesco Dentali ◽  
Andrea Fabbri ◽  
...  
Keyword(s):  
Pulmonary Embolism ◽  
High Risk ◽  
Risk Stratification ◽  
Major Bleeding ◽  
Acute Pulmonary Embolism ◽  
Low Risk ◽  
Intermediate Risk ◽  
Bayer Healthcare ◽  
Risk Patients ◽  
Acute Pe

Abstract Background. New management strategies, risk stratification procedures and treatments have become available over the last years for patients with acute pulmonary embolism (PE), leading to changes in clinical practice and potentially influencing patient's course and outcome. Methods: The COntemporary management of Pulmonary Embolism (COPE) is an academical prospective, non-interventional, multicentre study in patients with confirmed acute symptomatic PE. In-hospital and 30-day mortality were the co-primary study outcomes. At first evaluation, patients were categorized at low-risk (simplified PESI [sPESI]=0), intermediate-risk (further classified based presence/absence of increased levels and right ventricle dysfunction [RVD] at echocardiography) and high-risk (shock or cardiac arrest). Results. Among 5213 study patients, PE was confirmed by computed tomography in 96.3% and at least one test for risk stratification was obtained in more than 80% (81% echocardiography, 83% troponin, 56% brain natriuretic peptide/NT-pro BNP). Among 4885 patients entering the Emergency Department for acute PE, 1.2% were managed as outpatients and 5.8% by short-observation. In-hospital, 289 patients underwent reperfusion (5.5%); at discharge, 6.7% received a vitamin K antagonist and 75.6% a direct oral anticoagulant. Median duration of hospitalization was 7 days (IQR 5-12 days). Overall in-hospital mortality was 3.4% (49% due to PE, 16% cancer and 4.5% major bleeding) and 30-day mortality 4.8% (36% PE, 28% cancer and 4% major bleeding). In-hospital major bleeding was 2.6%. Death at 30 days occurred in 22.6% of 177 high-risk patients, in 6% of the 3281 intermediate-risk and in 0.5% of 1702 low-risk patients. Time to death at 30 days in patients at low, intermediate and high risk for death is reported in the Figure. Conclusions: COPE is the largest ever cohort of patients with acute PE. In this contemporary scenario, the majority of patients received CT for diagnosis, at least one test for risk stratification and direct oral anticoagulants as long-term treatment. Short term death remains not negligible in patients with high and intermediate-risk PE. Figure 1 Figure 1. Disclosures Becattini: Bristol Myers Squibb: Honoraria; Daiichi Sankyo: Honoraria; Bayer HealthCare: Honoraria. Agnelli: Bristol Myers Squibb: Honoraria; Pfizer: Honoraria; Daiichi Sankyo: Honoraria; Bayer HealthCare: Honoraria. Dentali: Daiichi Sankyo: Honoraria; Bayer: Honoraria; Sanofi: Honoraria; Pfizer: Honoraria; Bristol-Myers Squibb: Honoraria; Novartis: Honoraria; Boehringer: Honoraria; Alfa Sigma: Honoraria.

P3609Temporal trends of the management and outcomes of patients after myocardial infarction according to the risk for recurrent cardiovascular events

2019 ◽  
Vol 40 (Supplement_1) ◽  
Author(s):  
T Grinberg ◽  
T Bental ◽  
Y Hammer ◽  
A R Assali ◽  
H Vaknin-Assa ◽  
...  
Keyword(s):  
Myocardial Infarction ◽  
High Risk ◽  
Cardiovascular Events ◽  
Risk Group ◽  
Temporal Trends ◽  
High Risk Group ◽  
Low Risk ◽  
Intermediate Risk ◽  
High Risk Patients ◽  
Risk Patients

Abstract Background Following Myocardial Infarction (MI), patients are at increased risk for recurrent cardiovascular events, particularly during the immediate period. Yet some patients are at higher risk than others, owing to their clinical characteristics and comorbidities, these high-risk patients are less often treated with guideline-recommended therapies. Aim To examine temporal trends in treatment and outcomes of patients with MI according to the TIMI risk score for secondary prevention (TRS2°P), a recently validated risk stratification tool. Methods A retrospective cohort study of patients with an acute MI, who underwent percutaneous coronary intervention and were discharged alive between 2004–2016. Temporal trends were examined in the early (2004–2010) and late (2011–2016) time-periods. Patients were stratified by the TRS2°P to a low (≤1), intermediate (2) or high-risk group (≥3). Clinical outcomes included 30-day MACE (death, MI, target vessel revascularization, coronary artery bypass grafting, unstable angina or stroke) and 1-year mortality. Results Among 4921 patients, 31% were low-risk, 27% intermediate-risk and 42% high-risk. Compared to low and intermediate-risk patients, high-risk patients were older, more commonly female, and had more comorbidities such as hypertension, diabetes, peripheral vascular disease, and chronic kidney disease. They presented more often with non ST elevation MI and 3-vessel disease. High-risk patients were less likely to receive drug eluting stents and potent anti-platelet drugs, among other guideline-recommended therapies. Evidently, they experienced higher 30-day MACE (8.1% vs. 3.9% and 2.1% in intermediate and low-risk, respectively, P<0.001) and 1-year mortality (10.4% vs. 3.9% and 1.1% in intermediate and low-risk, respectively, P<0.001). During time, comparing the early to the late-period, the use of potent antiplatelets and statins increased among the entire cohort (P<0.001). However, only the high-risk group demonstrated a significantly lower 30-day MACE (P=0.001). During time, there were no differences in 1-year mortality rate among all risk categories. Temporal trends in 30-day MACE by TRS2°P Conclusion Despite a better application of guideline-recommended therapies, high-risk patients after MI are still relatively undertreated. Nevertheless, they demonstrated the most notable improvement in outcomes over time.

scholarly journals Galectin-3 Plasma Levels Are Associated with Risk Profiles in Pulmonary Arterial Hypertension

Diagnostics ◽  
2020 ◽  
Vol 10 (11) ◽  
pp. 857
Author(s):  
Laura Scelsi ◽  
Stefano Ghio ◽  
Benedetta Matrone ◽  
Letizia Mannucci ◽  
Catherine Klersy ◽  
...  
Keyword(s):  
High Risk ◽  
Plasma Levels ◽  
Low Risk ◽  
Prognostic Role ◽  
Right Heart ◽  
Risk Profiles ◽  
Heart Performance ◽  
Galectin 3 ◽  
Risk Patients ◽  
Pulmonary Arterial

Galectin-3 is a circulating biomarker of fibrosis whose prognostic role in pulmonary arterial hypertension (PAH) has not been fully explored. We undertook a pilot study to evaluate the relationship between galectin-3 plasma levels and validated risk scores in PAH. The study included 70 PAH patients admitted to a single referral center from June 2016 to June 2018. Patients were stratified according to the REVEAL 2.0 risk score, according to the parameters suggested by the European Society of Cardiology and European Respiratory Society (ESC/ERS) Guidelines, and according to a focused echocardiographic assessment of right heart performance. The association between galectin-3 levels and risk profiles was evaluated by generalized linear regression model with adjustment for etiology. Galectin-3 plasma levels increased linearly in the three risk strata based on the REVEAL 2.0 score (from 16.0 ± 5.7 in low-risk to 22.4 ± 6.3 in intermediate-risk and in 26.9 ± 7.7 ng/mL in high-risk patients (p for trend < 0.001). Galectin-3 levels were significantly lower in low-risk patients defined according to the prognostic parameters of ESC/ERS Guidelines (delta between low-risk and intermediate/high-risk = −9.3, 95% CI −12.8 to −5.8, p < 0.001, p < 0.001). Additionally, galectin-3 levels were lower in the low-risk profile defined on the basis of the echocardiographic evaluation of right heart performance (delta between low-risk and intermediate-/high-risk = −6.3, 95% CI −9.9 to −2.7, p = 0.001). Galectin-3 plasma levels are directly associated with several risk profiles in PAH patients. The prognostic role of this biomarker in PAH is worthwhile to be explored in larger prospective studies.

Identifying patients at risk of futile resuscitation: palliative care indicators in out-of-hospital cardiac arrest

2019 ◽  
pp. bmjspcare-2019-001828
Author(s):  
Mia Cokljat ◽  
Adam Lloyd ◽  
Scott Clarke ◽  
Anna Crawford ◽  
Gareth Clegg
Keyword(s):  
At Risk ◽  
Palliative Care ◽  
Cardiac Arrest ◽  
High Risk ◽  
Low Risk ◽  
Intermediate Risk ◽  
Patients At Risk ◽  
Risk Patients ◽  
Record Review ◽  
Hospital Cardiac Arrest

ObjectivesPatients with indicators for palliative care, such as those with advanced life-limiting conditions, are at risk of futile cardiopulmonary resuscitation (CPR) if they suffer out-of-hospital cardiac arrest (OHCA). Patients at risk of futile CPR could benefit from anticipatory care planning (ACP); however, the proportion of OHCA patients with indicators for palliative care is unknown. This study quantifies the extent of palliative care indicators and risk of CPR futility in OHCA patients.MethodsA retrospective medical record review was performed on all OHCA patients presenting to an emergency department (ED) in Edinburgh, Scotland in 2015. The risk of CPR futility was stratified using the Supportive and Palliative Care Indicators Tool. Patients with 0–2 indicators had a ‘low risk’ of futile CPR; 3–4 indicators had an ‘intermediate risk’; 5+ indicators had a ‘high risk’.ResultsOf the 283 OHCA patients, 12.4% (35) had a high risk of futile CPR, while 16.3% (46) had an intermediate risk and 71.4% (202) had a low risk. 84.0% (68) of intermediate-to-high risk patients were pronounced dead in the ED or ED step-down ward; only 2.5% (2) of these patients survived to discharge.ConclusionsUp to 30% of OHCA patients are being subjected to advanced resuscitation despite having at least three indicators for palliative care. More than 80% of patients with an intermediate-to-high risk of CPR futility are dying soon after conveyance to hospital, suggesting that ACP can benefit some OHCA patients. This study recommends optimising emergency treatment planning to help reduce inappropriate CPR attempts.

scholarly journals Risk category system to identify pituitary adenoma patients with AIP mutations

2018 ◽  
Vol 55 (4) ◽  
pp. 254-260 ◽  
Author(s):  
Francisca Caimari ◽  
Laura Cristina Hernández-Ramírez ◽  
Mary N Dang ◽  
Plamena Gabrovska ◽  
Donato Iacovazzo ◽  
...  
Keyword(s):  
Pituitary Adenoma ◽  
Family History ◽  
High Risk ◽  
Pituitary Adenomas ◽  
Univariate Analysis ◽  
Low Risk ◽  
Individual Risk ◽  
Risk Category ◽  
Moderate Risk ◽  
Category System

BackgroundPredictive tools to identify patients at risk for gene mutations related to pituitary adenomas are very helpful in clinical practice. We therefore aimed to develop and validate a reliable risk category system for aryl hydrocarbon receptor-interacting protein (AIP) mutations in patients with pituitary adenomas.MethodsAn international cohort of 2227 subjects were consecutively recruited between 2007 and 2016, including patients with pituitary adenomas (familial and sporadic) and their relatives. All probands (n=1429) were screened for AIP mutations, and those diagnosed with a pituitary adenoma prospectively, as part of their clinical screening (n=24), were excluded from the analysis. Univariate analysis was performed comparing patients with and without AIP mutations. Based on a multivariate logistic regression model, six potential factors were identified for the development of a risk category system, classifying the individual risk into low-risk, moderate-risk and high-risk categories. An internal cross-validation test was used to validate the system.Results1405 patients had a pituitary tumour, of which 43% had a positive family history, 55.5% had somatotrophinomas and 81.5% presented with macroadenoma. Overall, 134 patients had an AIP mutation (9.5%). We identified four independent predictors for the presence of an AIP mutation: age of onset providing an odds ratio (OR) of 14.34 for age 0-18 years, family history (OR 10.85), growth hormone excess (OR 9.74) and large tumour size (OR 4.49). In our cohort, 71% of patients were identified as low risk (<5% risk of AIP mutation), 9.2% as moderate risk and 20% as high risk (≥20% risk). Excellent discrimination (c-statistic=0.87) and internal validation were achieved.ConclusionWe propose a user-friendly risk categorisation system that can reliably group patients into high-risk, moderate-risk and low-risk groups for the presence of AIP mutations, thus providing guidance in identifying patients at high risk of carrying an AIP mutation. This risk score is based on a cohort with high prevalence of AIP mutations and should be applied cautiously in other populations.

Use of hospital resources in the care of patients with intermediate risk pulmonary embolism

2020 ◽  
pp. 204887262092160
Author(s):  
Alexander E Sullivan ◽  
Tara Holder ◽  
Tracy Truong ◽  
Cynthia L Green ◽  
Olamiji Sofela ◽  
...  
Keyword(s):  
Intensive Care Unit ◽  
Pulmonary Embolism ◽  
Intensive Care ◽  
High Risk ◽  
Length Of Stay ◽  
Intensive Care Unit Admission ◽  
Hospital Length ◽  
Hospital Length Of Stay ◽  
Intermediate Risk ◽  
Risk Patients

Background Risk stratification and management of hemodynamically stable pulmonary embolism remains challenging. Professional societies have published stratification schemes, but little is known about the management of patients with intermediate risk pulmonary embolism. We describe the care of these patients at an academic health system. Methods Patient encounters from 1 January 2016 to 30 June 2017 were retrospectively identified utilizing a multihospital, electronic health record-based data warehouse. Using the 2019 European Society of Cardiology criteria, differences in hospital resource utilization, defined as intensive care unit admission, use of invasive therapies, and length of stay, were examined in patients with intermediate risk characteristics. Results A cohort of 322 intermediate risk patients, including 165 intermediate–low and 157 intermediate–high risk patients, was identified. Intermediate–high risk patients more often underwent catheter-directed therapy (14.0% vs. 1.8%; P<0.001) compared to intermediate–low risk patients and had a 50% higher rate of intensive care unit admission (relative risk 1.50; 95% confidence interval 1.06, 2.12; P=0.023). There was no difference in median intensive care unit length of stay (2.7 vs. 2.0 days; P=0.761) or hospital length of stay (5.0 vs. 5.0 days; P=0.775) between intermediate–high risk and intermediate–low risk patients. Patients that underwent invasive therapies had a 3.8-day shorter hospital length of stay (beta –3.75; 95% confidence interval –6.17, –1.32; P=0.002). Conclusion This study presents insights into the hospital resource utilization of patients with intermediate risk pulmonary embolism. The 2019 European Society of Cardiology risk stratification criteria are a clinically relevant scheme that identifies patients more often treated with intensive care unit admission and advanced therapies.

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