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2018

An evaluation of the Fondo de Inclusión Social Energético program to promote access to liquefied petroleum gas in Peru

Pollard, S. L., Williams, K. N., O'Brien, C. J., Winiker, A., Puzzolo, E., Kephart, J. L., Fandiño-Del-Rio, M., Tarazona-Meza, C., Grigsby, M. R., Chiang, M. & Checkley, W., Oct 1 2018, In : Energy for Sustainable Development. 46, p. 82-93 12 p.

Research output: Contribution to journalArticle

liquefied petroleum gas
social inclusion
Liquefied petroleum gas
Peru
inclusion

Association between household air pollution exposure and chronic obstructive pulmonary disease outcomes in 13 low- and middle-income country settings

Siddharthan, T., Grigsby, M. R., Goodman, D., Chowdhury, M., Rubinstein, A., Irazola, V., Gutierrez, L., Jaime Miranda, J., Bernabe-Ortiz, A., Alam, D., Kirenga, B., Jones, R., Van Gemert, F., Wise, R. A. & Checkley, W., Mar 1 2018, In : American Journal of Respiratory and Critical Care Medicine. 197, 5, p. 611-620 10 p.

Research output: Contribution to journalArticle

Air Pollution
Chronic Obstructive Pulmonary Disease
Biomass
Population
Smoking

Association of traffic air pollution and rhinitis quality of life in Peruvian children with asthma

Bose, S., Romero, K., Psoter, K. J., Curriero, F. C., Chen, C., Johnson, C. M., Kaji, D., Breysse, P. N., Williams, DA. L., Ramanathan, M., Checkley, W. & Hansel, N. N., Mar 1 2018, In : PLoS One. 13, 3, e0193910

Research output: Contribution to journalArticle

Hydrocarbon refining
rhinitis
Soot
Air Pollution
asthma

Asthma and Allergic Disorders in Uganda: A Population-Based Study Across Urban and Rural Settings

Morgan, B. W., Siddharthan, T., Grigsby, M. R., Pollard, S. L., Kalyesubula, R., Wise, R. A., Kirenga, B. & Checkley, W., Jan 1 2018, (Accepted/In press) In : Journal of Allergy and Clinical Immunology: In Practice.

Research output: Contribution to journalArticle

Uganda
Africa South of the Sahara
Eczema
Rhinitis
Hypersensitivity

Dynamic prediction in functional concurrent regression with an application to child growth

Leroux, A., Xiao, L., Crainiceanu, C. & Checkley, W., Apr 15 2018, In : Statistics in Medicine. 37, 8, p. 1376-1388 13 p.

Research output: Contribution to journalArticle

Penalized Splines
Mixed Effects
Sparse Data
Covariance Function
Longitudinal Data

Exhaled nitric oxide is not a biomarker for pulmonary tuberculosis

López, J. W., Loader, M. C. I., Smith, D., Pastorius, D., Bravard, M., Caviedes, L., Romero, K. M., Clark, T., Checkley, W., Ticona, E., Friedland, J. S. & Gilman, R. H., Jan 1 2018, In : American Journal of Tropical Medicine and Hygiene. 98, 6, p. 1637-1639 3 p.

Research output: Contribution to journalArticle

Pulmonary Tuberculosis
Nitric Oxide
Tuberculosis
Biomarkers
Multidrug-Resistant Tuberculosis

Low prevalence of ideal cardiovascular health in Peru

Benziger, C. P., Zavala-Loayza, J. A., Bernabe-Ortiz, A., Gilman, R. H., Checkley, W., Smeeth, L., Malaga, G. & Miranda, J. J., Jan 11 2018, (Accepted/In press) In : Heart.

Research output: Contribution to journalArticle

Peru
Health
American Heart Association
Glucose
Benchmarking

Modeling the potential health benefits of lower household air pollution after a hypothetical liquified petroleum gas (LPG) cookstove intervention

Steenland, K., Pillarisetti, A., Kirby, M., Peel, J., Clark, M., Checkley, W., Chang, H. H. & Clasen, T., Feb 1 2018, In : Environment International. 111, p. 71-79 9 p.

Research output: Contribution to journalArticle

cooking appliance
Gas stoves
Mercury compounds
liquefied petroleum gas
Stoves

Novel metrics for growth model selection

Grigsby, M. R., Di, J., Leroux, A., Zipunnikov, V., Xiao, L., Crainiceanu, C. & Checkley, W., Feb 23 2018, In : Emerging Themes in Epidemiology. 15, 1, 4

Research output: Contribution to journalArticle

Growth
Principal Component Analysis
Linear Models
Hand
Research Personnel

Patterns of Body Composition Relating to Chronic Respiratory Diseases Among Adults in Four Resource-Poor Settings in Peru

CRONICAS Cohort Study, Mar 20 2018, (Accepted/In press) In : Lung. p. 1-8 8 p.

Research output: Contribution to journalArticle

Peru
Body Composition
Chronic Obstructive Pulmonary Disease
Chronic Disease
Waist Circumference
Breast Feeding
Cohort Studies
Diarrhea
Respiratory Tract Infections
Confidence Intervals

Using data from multiple studies to develop a child growth correlation matrix

Anderson, C., Xiao, L. & Checkley, W., Jan 1 2018, (Accepted/In press) In : Statistics in Medicine.

Research output: Contribution to journalArticle

Correlation Matrix
Growth
Knowledge Integration
Sparse Data
Children

Validation of the Saint George's Respiratory Questionnaire in Uganda

Morgan, B. W., Grigsby, M. R., Siddharthan, T., Kalyesubula, R., Wise, R. A., Hurst, J. R., Kirenga, B. & Checkley, W., Jul 1 2018, In : BMJ Open Respiratory Research. 5, 1, e000276

Research output: Contribution to journalArticle

Uganda
Chronic Obstructive Pulmonary Disease
Cough
Dyspnea
Surveys and Questionnaires
2017

Assessing exposure to household air pollution: A systematic review and pooled analysis of carbon monoxide as a surrogate measure of particulate matter

Carter, E., Norris, C., Dionisio, K. L., Balakrishnan, K., Checkley, W., Clark, M. L., Ghosh, S., Jack, D. W., Kinney, P. L., Marshall, J. D., Naeher, L. P., Peel, J. L., Sambandam, S., Schauer, J. J., Smith, K. R., Wylie, B. J. & Baumgartner, J., Jul 1 2017, In : Environmental Health Perspectives. 125, 7, 076002

Research output: Contribution to journalReview article

Particulate Matter
Air Pollution
Carbon Monoxide
Cooking
Validation Studies

Association between chronic conditions and health-related quality of life: differences by level of urbanization in Peru

Taype-Rondan, A., Abbs, E. S., Lazo-Porras, M., Checkley, W., Gilman, R. H., Smeeth, L., Miranda, J. J. & Bernabe-Ortiz, A., Jul 15 2017, (Accepted/In press) In : Quality of Life Research. p. 1-9 9 p.

Research output: Contribution to journalArticle

Urbanization
Peru
Visual Analog Scale
Quality of Life
Chronic Bronchitis

Automatic detection of pneumonia analyzing ultrasound digital images

Barrientos, R., Roman-Gonzalez, A., Barrientos, F., Solis, L., Correa, M., Pajuelo, M., Anticona, C., Lavarello, R., Castaneda, B., Oberhelman, R., Checkley, W., Gilman, R. H. & Zimic, M., Jun 7 2017, 2016 IEEE 36th Central American and Panama Convention, CONCAPAN 2016. Institute of Electrical and Electronics Engineers Inc., 7942375

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Ultrasound Image
Digital Image
Pneumonia
Lung
Ultrasonics

Biomass fuel smoke exposure was associated with adverse cardiac remodeling and left ventricular dysfunction in Peru

Burroughs Peña, M. S., Velazquez, E. J., Rivera, J. D., Alenezi, F., Wong, C., Grigsby, M., Davila-Roman, V. G., Gilman, R. H., Miranda, J. J. & Checkley, W., 2017, (Accepted/In press) In : Indoor Air.

Research output: Contribution to journalArticle

Peru
Left Ventricular Dysfunction
Smoke
Biomass
Echocardiography

Cardiometabolic correlates of sleep disordered breathing in Andean highlanders

Pham, L. V., Miele, C. H., Schwartz, N. G., Arias, R. S., Rattner, A., Gilman, R. H., Miranda, J. J., Polotsky, V. Y., Checkley, W. & Schwartz, A. R., Jun 1 2017, In : The European respiratory journal. 49, 6

Research output: Contribution to journalArticle

Sleep Apnea Syndromes
Hemoglobins
Apnea
Blood Pressure
Linear Models

Causal Pathways from Enteropathogens to Environmental Enteropathy: Findings from the MAL-ED Birth Cohort Study

Writing group & Kosek, M., Apr 1 2017, In : EBioMedicine. 18, p. 109-117 9 p.

Research output: Contribution to journalArticle

Cohort Studies
Parturition
Inflammation
Growth
Biomarkers

Clean fuels to reduce household air pollution and improve health: Still hoping to answer why and how

Miele, C. H. & Checkley, W., Jun 15 2017, In : American Journal of Respiratory and Critical Care Medicine. 195, 12, p. 1552-1554 3 p.

Research output: Contribution to journalEditorial

Air Pollution
Health

Cross-Sectional Comparison of Sleep-Disordered Breathing in Native Peruvian Highlanders and Lowlanders

Pham, L. V., Meinzen, C., Arias, R. S., Schwartz, N. G., Rattner, A., Miele, C. H., Smith, P. L., Schneider, H., Miranda, J. J., Gilman, R. H., Polotsky, V. Y., Checkley, W. & Schwartz, A. R., Mar 1 2017, In : High Altitude Medicine and Biology. 18, 1, p. 11-19 9 p.

Research output: Contribution to journalArticle

Sleep Apnea Syndromes
Apnea
Sleep
Wakefulness
Actigraphy

Disparities in dietary intake and physical activity patterns across the urbanization divide in the Peruvian Andes

McCloskey, M. L., Tarazona-Meza, C. E., Jones-Smith, J. C., Miele, C. H., Gilman, R. H., Bernabe-Ortiz, A., Miranda, J. J. & Checkley, W., Jul 11 2017, In : International Journal of Behavioral Nutrition and Physical Activity. 14, 1, 90

Research output: Contribution to journalArticle

Urbanization
Diet
Food
Life Style
Chronic Disease

Do hospitals need oncological critical care units?

Koch, A. & Checkley, W., Mar 1 2017, In : Journal of Thoracic Disease. 9, 3, p. E304-E309

Research output: Contribution to journalEditorial

Critical Care
Intensive Care Units
Medicine
Neoplasms
Critical Illness

Dynamic child growth prediction: A comparative methods approach

Ivanescu, A. E., Crainiceanu, C. M. & Checkley, W., Dec 1 2017, In : Statistical Modelling. 17, 6, p. 468-493 26 p.

Research output: Contribution to journalArticle

Growth Curve
Performance Prediction
Missing Data
Smoothing
Regression Model

Effects of a liquefied petroleum gas stove intervention on pollutant exposure and adult cardiopulmonary outcomes (CHAP): Study protocol for a randomized controlled trial

Cardiopulmonary outcomes and Household Air Pollution trial (CHAP) Trial Investigators, Nov 3 2017, In : Trials. 18, 1, 518

Research output: Contribution to journalArticle

Air Pollution
Petroleum
Randomized Controlled Trials
Gases
Environmental Exposure

Erratum to: Fast covariance estimation for sparse functional data

Xiao, L., Li, C., Checkley, W. & Crainiceanu, C., Aug 23 2017, (Accepted/In press) In : Statistics and Computing. p. 1 1 p.

Research output: Contribution to journalArticle

Fast covariance estimation for sparse functional data

Xiao, L., Li, C., Checkley, W. & Crainiceanu, C., Apr 11 2017, (Accepted/In press) In : Statistics and Computing. p. 1-12 12 p.

Research output: Contribution to journalArticle

Covariance Estimation
Sparse Data
Functional Data
Splines
Smoothing

Free 25(OH)D concentrations are associated with atopy and lung function in children with asthma

for the & Genetics of Asthma Susceptibility to Pollution (GASP) Study Investigators, Jul 1 2017, In : Annals of Allergy, Asthma and Immunology. 119, 1, p. 37-41 5 p.

Research output: Contribution to journalArticle

Asthma
Lung
Odds Ratio
Confidence Intervals
Vital Capacity

Glycated haemoglobin (HbA1c) and fasting plasma glucose relationships in sea-level and high-altitude settings

Bazo-Alvarez, J. C., Quispe, R., Pillay, T. D., Bernabé-Ortiz, A., Smeeth, L., Checkley, W., Gilman, R. H., Málaga, G. & Miranda, J. J., Jun 1 2017, In : Diabetic Medicine. 34, 6, p. 804-812 9 p.

Research output: Contribution to journalArticle

Glycosylated Hemoglobin A
Oceans and Seas
Fasting
Glucose
Hemoglobins

Impact of urbanisation and altitude on the incidence of, and risk factors for, hypertension

Bernabé-Ortiz, A., Carrillo-Larco, R. M., Gilman, R. H., Checkley, W., Smeeth, L. & Miranda, J. J., Jan 23 2017, (Accepted/In press) In : Heart.

Research output: Contribution to journalArticle

Urbanization
Hypertension
Incidence
Blood Pressure
Peru

Low cigarette smoking prevalence in peri-urban Peru: Results from a population-based study of tobacco use by self-report and urine cotinine

Morgan, B. W., Leifheit, K. M., Romero, K. M., Gilman, R. H., Bernabe-Ortiz, A., Miranda, J. J., Feldman, H. I., Lima, J. J. & Checkley, W., Jul 21 2017, In : Tobacco Induced Diseases. 15, 1, 32

Research output: Contribution to journalArticle

Cotinine
Peru
Tobacco Use
Self Report
nicotine

Lung ultrasound as a diagnostic tool for radiographically-confirmed pneumonia in low resource settings

Lung Ultrasound for Pneumonia Assessment (LUPA) Study Investigators, Tielsch, J. M. & Steinhoff, M., Jul 1 2017, In : Respiratory Medicine. 128, p. 57-64 8 p.

Research output: Contribution to journalArticle

Pneumonia
Lung
Area Under Curve
Pediatrics
Child Mortality

Modelling stunting in LiST: The effect of applying smoothing to linear growth data

Cousens, S., Perin, J., Christian, P., Wu, L. S. F., Soofi, S., Bhutta, Z., Lanata, C., Guerrant, R. L., Lima, A. A. M., Mølbak, K., Valentiner-Branth, P., Checkley, W., Gilman, R. H., Sack, R. B., Black, R. E., Humphrey, J. & Walker, N., Nov 7 2017, In : BMC Public Health. 17, 778

Research output: Contribution to journalArticle

Growth Disorders
Growth
Odds Ratio
Mali
Peru
Petroleum
Cooking
Biomass
Gases

Prevalence and risk factors of restrictive spirometry in a cohort of Peruvian adults

Siddharthan, T., Grigsby, M., Miele, C. H., Bernabe-Ortiz, A., Miranda, J. J., Gilman, R. H., Wise, R. A., Porter, J. C., Hurst, J. R. & Checkley, W., Sep 1 2017, In : International Journal of Tuberculosis and Lung Disease. 21, 9, p. 1062-1068 7 p.

Research output: Contribution to journalArticle

Spirometry
Lung
Peru
Forced Expiratory Volume
Linear Models

Risk score for first-screening of prevalent undiagnosed chronic kidney disease in Peru: The CRONICAS-CKD risk score

Carrillo-Larco, R. M. , Miranda, J. J. , Gilman, R. H. , Medina-Lezama, J. , Chirinos-Pacheco, J. A. , Muñoz-Retamozo, P. V. , Smeeth, L. , Checkley, W. , Bernabe-Ortiz, A. , Casas, J. P. , Smith, G. D. , Ebrahim, S. , Huicho, L. , Málaga, G. , Jaime Miranda, J. , Montori, V. M. , Diette, G. B. , León-Velarde, F. , Wise, R. A. , García, H. H. & 1 others Jaime Miranda, J., Nov 29 2017, In : BMC Nephrology. 18, 1, 343

Research output: Contribution to journalArticle

Peru
Chronic Renal Insufficiency
ROC Curve
Anemia
Hypertension

Serum folate concentrations, asthma, atopy, and asthma control in Peruvian children

Nicholson, A., Pollard, S. L., Lima, J. J., Romero, K. M., Tarazona-Meza, C., Malpartida-Guzmán, G., Mougey, E., Hansel, N. N. & Checkley, W., Dec 1 2017, In : Respiratory Medicine. 133, p. 29-35 7 p.

Research output: Contribution to journalArticle

Folic Acid
Asthma
Serum
Emergencies
Peru

Stick to what you know: Do visiting intensivists worsen outcomes?

Checkley, W. & Sevransky, J., 2017, In : Critical Care Medicine. 45, 6, p. 1095-1096 2 p.

Research output: Contribution to journalEditorial

Intensive Care Units
Physicians
Mortality

Urbanization, mainly rurality, but not altitude is associated with dyslipidemia profiles

Lazo-Porras, M., Bernabe-Ortiz, A., Quispe, R., Málaga, G., Smeeth, L., Gilman, R. H., Checkley, W. & Miranda, J. J., 2017, (Accepted/In press) In : Journal of Clinical Lipidology.

Research output: Contribution to journalArticle

Urbanization
Dyslipidemias
HDL Cholesterol
Confidence Intervals
LDL Cholesterol

Whole blood cytokine response to local traffic-related particulate matter in peruvian children with and without asthma

Negherbon, J. P., Romero, K., Williams, DA. L., Guerrero-Preston, R. E., Hartung, T., Scott, A. L., Breysse, P. N., Checkley, W. & Hansel, N. N., Mar 30 2017, In : Frontiers in Pharmacology. 8, MAR, 157

Research output: Contribution to journalArticle

Particulate Matter
Asthma
Cytokines
Interleukin-8
Endotoxins
2016

Automatic pneumonia detection based on ultrasound video analysis

Cisneros-Velarde, P., Correa, M., Mayta, H., Anticona, C., Pajuelo, M., Oberhelman, R., Checkley, W., Gilman, R. H., Figueroa, D., Zimic, M., Lavarello, R. & Castaneda, B., Oct 13 2016, 2016 38th Annual International Conference of the IEEE Engineering in Medicine and Biology Society, EMBC 2016. Institute of Electrical and Electronics Engineers Inc., Vol. 2016-October, p. 4117-4120 4 p. 7591632

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Pneumonia
Ultrasonics
Ultrasonography
Developing countries
Child Mortality

Characteristics Associated with Antihypertensive Treatment and Blood Pressure Control A Population-Based Follow-Up Study in Peru

Zavala-Loayza, J. A., Benziger, C. P., Cárdenas, M. K., Carrillo-Larco, R. M., Bernabé-Ortiz, A., Gilman, R. H., Checkley, W. & Miranda, J. J., Mar 1 2016, In : Global Heart. 11, 1, p. 109-119 11 p.

Research output: Contribution to journalArticle

Peru
Antihypertensive Agents
Odds Ratio
Confidence Intervals
Blood Pressure

Chronic exposure to biomass fuel smoke and markers of endothelial inflammation

Caravedo, M. A., Herrera, P. M., Mongilardi, N., de Ferrari, A., Davila-Roman, V. G., Gilman, R. H., Wise, R. A., Miele, C. H., Miranda, J. J. & Checkley, W., Oct 1 2016, In : Indoor Air. 26, 5, p. 768-775 8 p.

Research output: Contribution to journalArticle

Smoke
Biomass
E-Selectin
Vascular Cell Adhesion Molecule-1
Inflammation
Chronic Disease
Depression
Peru
Comorbidity
Epidemiologic Studies

Dark adaptation at high altitude: An unexpected pupillary response to chronic hypoxia in Andean highlanders

Healy, K., Labrique, A. B., Miranda, J. J., Gilman, R. H., Danz, D., Davila-Roman, V. G., Huicho, L., León-Velarde, F. & Checkley, W., Sep 1 2016, In : High Altitude Medicine and Biology. 17, 3, p. 208-213 6 p.

Research output: Contribution to journalArticle

Dark Adaptation
Altitude Sickness
Polycythemia
Light
Multilevel Analysis

Defining ICU Structure and Process: Working Toward a Worldwide Agenda

Miele, C. H. & Checkley, W., Oct 1 2016, In : Critical Care Medicine. 44, 10, p. 1952-1953 2 p.

Research output: Contribution to journalEditorial

Development and Validation of a Simple Risk Score for Undiagnosed Type 2 Diabetes in a Resource-Constrained Setting

Bernabe-Ortiz, A., Smeeth, L., Gilman, R. H., Sanchez-Abanto, J. R., Checkley, W. & Miranda, J. J., 2016, In : Journal of Diabetes Research. 2016, 8790235

Research output: Contribution to journalArticle

Type 2 Diabetes Mellitus
Cohort Studies
Waist Circumference
Area Under Curve
Peru

Differences between absolute and predicted values of forced expiratory volumes to classify ventilatory impairment in chronic obstructive pulmonary disease

COPDGene Study Investigators, Feb 1 2016, In : Respiratory Medicine. 111, p. 30-38 9 p.

Research output: Contribution to journalArticle

Forced Expiratory Volume
Chronic Obstructive Pulmonary Disease
Bronchodilator Agents
Dyspnea
Emphysema

Empirical antifungal therapy in critically ill patients with sepsis

Siddharthan, T., Karakousis, P. C. & Checkley, W., Oct 18 2016, In : JAMA - Journal of the American Medical Association. 316, 15, p. 1549-1550 2 p.

Research output: Contribution to journalEditorial

Antifungal Agents
Critical Illness
Intensive Care Units
Sepsis
Prospective Studies

Estimating indoor PM2.5 and CO concentrations in households in southern Nepal: The Nepal cookstove intervention trials

Chen, C., Zeger, S., Breysse, P., Katz, J., Checkley, W., Curriero, F. C. & Tielsch, J. M., Jul 1 2016, In : PLoS One. 11, 7, e0157984

Research output: Contribution to journalArticle

cooking stoves
Nepal
carbon monoxide
Carbon Monoxide
households