Diagnostics

Pulmonary Embolism Rule-out Criteria non-inferior to usual care for patients at low-risk for pulmonary embolism

In this multicenter, randomized controlled study, the Pulmonary Embolism Rule-out Criteria (PERC) strategy resulted in significantly fewer uses of CT pulmonary angiography, reduced ED length of stay, and fewer hospital admissions.

Blood Biomarkers Add Value to COPD Mortality Predictive Model

Blood Biomarkers Add Value to COPD Mortality Predictive Model

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High levels of C-reactive protein and neutrophils as well as low eosinophil count predicted a poor prognosis in COPD.

Lung Cancer Screening: Updated Guidelines From CHEST

Lung Cancer Screening: Updated Guidelines From CHEST

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A CHEST expert panel has released updated guidelines for lung cancer screening.

Performing Two 6MWTs in Pulmonary Hypertension Minimizes "Learning Effect"

Performing Two 6MWTs in Pulmonary Hypertension Minimizes "Learning Effect"

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Patients with suspected PH should undergo two 6MWTs to improve the accuracy of exercise capacity measurements.

Guiding COPD Management Using Airway Branch Variation

Guiding COPD Management Using Airway Branch Variation

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Researchers examined variation in airway branches to determine whether they have an effect on the course of chronic obstructive pulmonary disease.

Prognostic Value of 6MWT in Pulmonary Arterial Hypertension

Prognostic Value of 6MWT in Pulmonary Arterial Hypertension

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The 6-minute walk test had prognostic value with respect to mortality in a population of patients with pulmonary arterial hypertension.

Pulmonary Arterial Hypertension: Improving Survival Rates

Pulmonary Arterial Hypertension: Improving Survival Rates

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Brain natriuretic peptide levels may accurately predict 5-year survival rates in patients with pulmonary arterial hypertension.

COPD Mortality Predictions by GOLD 2017 vs Previous Versions

COPD Mortality Predictions by GOLD 2017 vs Previous Versions

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Although the 2017 GOLD classification did not better predict mortality in patients with chronic obstructive pulmonary disease overall, it did so when patients were extensively categorized by severity.

Influenza Testing Ordered Less Often in Older Hospitalized Adults

Influenza Testing Ordered Less Often in Older Hospitalized Adults

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Patients who received provider-ordered influenza testing were more likely to be younger and present with fever and "influenza-like illness."

COPD Continues to Present Screening Challenges, Research Barriers

COPD Continues to Present Screening Challenges, Research Barriers

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No data have demonstrated improved mortality, morbidity, or quality of life as a result of screening for COPD in asymptomatic individuals.

Lung Cancer Screening Requires Effective Risk Stratification

Lung Cancer Screening Requires Effective Risk Stratification

Lung cancer screening is more effective and efficient for high-risk individuals.

Validity of Pulmonary Embolism Prediction Scores in Pregnant, Postpartum Women

Validity of Pulmonary Embolism Prediction Scores in Pregnant, Postpartum Women

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Although the Wells and revised Geneva scores are used in the general population to predict pulmonary embolism, researchers found they were not reliable in pregnant and postpartum women.

Monitoring Pulmonary Hemodynamic Changes in CTEPH With 6-Minute Walk Test

Monitoring Pulmonary Hemodynamic Changes in CTEPH With 6-Minute Walk Test

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Pulmonary hemodynamic changes in chronic thromboembolic pulmonary hypertension may be monitored via the 6-minute walk test.

Diagnosing Bacterial Respiratory Tract Infections via Novel Mobile Spectrometer

Diagnosing Bacterial Respiratory Tract Infections via Novel Mobile Spectrometer

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A gas-capillary column ion mobility spectrometer may be a feasible and noninvasive tool for clinicians to diagnose respiratory tract infections in hospitalized patients.

Predictors of Pneumonia in Adults With Lower Respiratory Tract Infections

Predictors of Pneumonia in Adults With Lower Respiratory Tract Infections

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Researchers identified 4 specific symptoms that could be the basis for a pneumonia diagnosis.

Asthma Diagnosis Using Fractional Exhaled Nitric Oxide

Asthma Diagnosis Using Fractional Exhaled Nitric Oxide

Fractional exhaled nitric oxide measurement can diagnose asthma in patients 5 years and older.

Influenza Testing Accuracy With Different Intranasal Specimen Collection Methods

Influenza Testing Accuracy With Different Intranasal Specimen Collection Methods

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Midturbinate swabs for influenza detection provided a more comfortable experience for patients compared with traditional nasopharyngeal swabs.

Low Peak Lung Function May Identify Individuals at Risk for Early Comorbidities

Low Peak Lung Function May Identify Individuals at Risk for Early Comorbidities

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The use of spirometry during infancy or early adulthood may help identify individuals at risk for poor health outcomes

Predicting COPD Exacerbations Using Sputum vs Blood Eosinophils

Predicting COPD Exacerbations Using Sputum vs Blood Eosinophils

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Sputum eosinophil counts may be a better predictor of COPD exacerbations compared with serum blood eosinophil counts.

Pneumonia in Pediatric Patients: Assessing Reliability of Signs and Symptoms

Pneumonia in Pediatric Patients: Assessing Reliability of Signs and Symptoms

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No single finding appears to reliably predict a pneumonia diagnosis in pediatric patients younger than 5 years of age.

Usefulness of CHEST 2006 Cough Classifications

Usefulness of CHEST 2006 Cough Classifications

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The 2006 CHEST management algorithms for acute, subacute, and chronic cough appear to be useful in treating adults globally.

Improved Hemodynamics in CTEPH With Balloon Pulmonary Angioplasty

Improved Hemodynamics in CTEPH With Balloon Pulmonary Angioplasty

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Hemodynamics may improve in patients with chronic thromboembolic pulmonary hypertension after balloon pulmonary angioplasty with complication rates comparable to pulmonary endarterectomy.

New "Pan-Can" Model More Accurately Predicts Lung Cancer Risk

New "Pan-Can" Model More Accurately Predicts Lung Cancer Risk

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PanCan study effectively identified patients who eventually developed early-stage lung cancer, compared to other predictive models.

No Associations Exist Between 6MWD and Maximum Oxygen Uptake in Pulmonary Arterial Hypertension

No Associations Exist Between 6MWD and Maximum Oxygen Uptake in Pulmonary Arterial Hypertension

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Results indicate that further study of the relationship between the 6-minute walk distance test and functional capacity in PAH is necessary.

Negative TB Test, Malnutrition, Age Linked to In-Hospital Mortality

Negative TB Test, Malnutrition, Age Linked to In-Hospital Mortality

The relationship between negative tuberculin skin test and in-hospital mortality has not been previously studied.

Diagnostic Test Can Identify Biomarkers to Detect Lung Cancer

Diagnostic Test Can Identify Biomarkers to Detect Lung Cancer

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A new diagnostic test and algorithm may be able to diagnose lung cancer from tumor-educated platelets.

Does CT Scan at Follow-up Improve Resected NSCLC Survival?

Does CT Scan at Follow-up Improve Resected NSCLC Survival?

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Recommendations to include CT scans as standard follow-up procedure is based on poor evidence.

Prediction of Short-, Long-Term Mortality in Elderly With Stable Acute PE

Prediction of Short-, Long-Term Mortality in Elderly With Stable Acute PE

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Charleston comorbidity index is an independent predictor of mortality in patients with hemodynamically stable pulmonary embolism.

COPD Diagnosis by Physician vs Spirometry: A Validation Study

COPD Diagnosis by Physician vs Spirometry: A Validation Study

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Questions involving physician-diagnosed COPD have a low sensitivity and a high specificity.

Lung Cancer Screening CT Scans in High-Risk Smokers Increase Cessation Rates

Lung Cancer Screening CT Scans in High-Risk Smokers Increase Cessation Rates

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Patients who underwent lung CT screening had a higher 2-week smoking cessation rate vs patients who did not undergo screening.

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