{"id":"https://openalex.org/W2542890751","doi":"https://doi.org/10.4103/0970-2113.192877","title":"A search for covert precipitating clinical parameters in frequent exacerbators of chronic obstructive pulmonary disease","display_name":"A search for covert precipitating clinical parameters in frequent exacerbators of chronic obstructive pulmonary disease","publication_year":2016,"publication_date":"2016-11-01","ids":{"openalex":"https://openalex.org/W2542890751","doi":"https://doi.org/10.4103/0970-2113.192877","mag":"2542890751","pmid":"https://pubmed.ncbi.nlm.nih.gov/27890987","pmcid":"https://www.ncbi.nlm.nih.gov/pmc/articles/5112815"},"language":"en","primary_location":{"id":"doi:10.4103/0970-2113.192877","doi":"https://doi.org/10.4103/0970-2113.192877","is_oa":true,"landing_page_url":"https://doi.org/10.4103/0970-2113.192877","pdf_url":null,"source":{"id":"https://openalex.org/S17480848","display_name":"Lung India","issn_l":"0970-2113","issn":["0970-2113","0974-598X"],"is_oa":true,"is_in_doaj":true,"is_core":true,"listed_in":["cwts-core","doaj","dongbi-c","ki-jl-1","poland-70","russia-white-list-3"],"host_organization":"https://openalex.org/P4310320448","host_organization_name":"Medknow","host_organization_lineage":["https://openalex.org/P4310320448","https://openalex.org/P4310318547"],"host_organization_lineage_names":["Medknow","Wolters Kluwer"],"type":"journal"},"license":"cc-by-nc-sa","license_id":"https://openalex.org/licenses/cc-by-nc-sa","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Lung India","raw_type":"journal-article"},"volume":null,"type":"article","indexed_in":["crossref","doaj","pubmed"],"open_access":{"is_oa":true,"oa_status":"diamond","oa_url":"https://doi.org/10.4103/0970-2113.192877","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5000243758","display_name":"Ankit Bhatia","orcid":"https://orcid.org/0000-0002-0713-4103","observed_orcids":["https://orcid.org/0000-0002-0713-4103"]},"institutions":[{"id":"https://openalex.org/I280994","display_name":"King George's Medical University","ror":"https://ror.org/00gvw6327","country_code":"IN","type":"education","lineage":["https://openalex.org/I280994"]}],"countries":["IN"],"is_corresponding":true,"raw_author_name":"Ankit Bhatia","raw_affiliation_strings":["Department of Pulmonary Medicine, King George's Medical University, Lucknow, Uttar Pradesh, India"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Pulmonary Medicine, King George's Medical University, Lucknow, Uttar Pradesh, India","institution_ids":["https://openalex.org/I280994"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5102890923","display_name":"Ved Prakash","orcid":"https://orcid.org/0000-0002-2363-1484","observed_orcids":["https://orcid.org/0000-0002-2363-1484"]},"institutions":[{"id":"https://openalex.org/I280994","display_name":"King George's Medical University","ror":"https://ror.org/00gvw6327","country_code":"IN","type":"education","lineage":["https://openalex.org/I280994"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"Ved Prakash","raw_affiliation_strings":["Department of Pulmonary Medicine, King George's Medical University, Lucknow, Uttar Pradesh, India"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Pulmonary Medicine, King George's Medical University, Lucknow, Uttar Pradesh, India","institution_ids":["https://openalex.org/I280994"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5060399178","display_name":"Surya Kant","orcid":"https://orcid.org/0000-0001-7520-5404","observed_orcids":["https://orcid.org/0000-0001-7520-5404"]},"institutions":[{"id":"https://openalex.org/I280994","display_name":"King George's Medical University","ror":"https://ror.org/00gvw6327","country_code":"IN","type":"education","lineage":["https://openalex.org/I280994"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"Surya Kant","raw_affiliation_strings":["Department of Pulmonary Medicine, King George's Medical University, Lucknow, Uttar Pradesh, India"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Pulmonary Medicine, King George's Medical University, Lucknow, Uttar Pradesh, India","institution_ids":["https://openalex.org/I280994"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5110389055","display_name":"AjayKumar Verma","orcid":"https://orcid.org/0009-0004-5191-9225","observed_orcids":["https://orcid.org/0009-0004-5191-9225"]},"institutions":[{"id":"https://openalex.org/I280994","display_name":"King George's Medical University","ror":"https://ror.org/00gvw6327","country_code":"IN","type":"education","lineage":["https://openalex.org/I280994"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"Ajay Kumar Verma","raw_affiliation_strings":["Department of Pulmonary Medicine, King George's Medical University, Lucknow, Uttar Pradesh, India"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Pulmonary Medicine, King George's Medical University, Lucknow, Uttar Pradesh, India","institution_ids":["https://openalex.org/I280994"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5000243758"],"corresponding_institution_ids":["https://openalex.org/I280994"],"apc_list":null,"apc_paid":null,"fwci":0.8946,"has_fulltext":false,"cited_by_count":9,"citation_normalized_percentile":{"value":0.79834385,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":97},"biblio":{"volume":"33","issue":"6","first_page":"600","last_page":"604"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10143","display_name":"Chronic Obstructive Pulmonary Disease (COPD) Research","score":1.0,"subfield":{"id":"https://openalex.org/subfields/2740","display_name":"Pulmonary and Respiratory Medicine"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},"topics":[{"id":"https://openalex.org/T10143","display_name":"Chronic Obstructive Pulmonary Disease (COPD) Research","score":1.0,"subfield":{"id":"https://openalex.org/subfields/2740","display_name":"Pulmonary and Respiratory Medicine"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T10051","display_name":"Asthma and respiratory diseases","score":0.0,"subfield":{"id":"https://openalex.org/subfields/2737","display_name":"Physiology"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T10665","display_name":"Cystic Fibrosis Research Advances","score":0.0,"subfield":{"id":"https://openalex.org/subfields/2740","display_name":"Pulmonary and Respiratory Medicine"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/chronic-obstructive-pulmonary-disease","display_name":"chronic obstructive pulmonary disease","score":0.9980000257492065},{"id":"https://openalex.org/keywords/acute-exacerbation-of-copd","display_name":"COPD exacerbations","score":0.8759999871253967},{"id":"https://openalex.org/keywords/frequent-exacerbators","display_name":"frequent exacerbators","score":0.8119999766349792},{"id":"https://openalex.org/keywords/risk-factors","display_name":"risk factors","score":0.6119999885559082},{"id":"https://openalex.org/keywords/serum-uric-acid","display_name":"serum uric acid","score":0.984000027179718},{"id":"https://openalex.org/keywords/total-serum-ige","display_name":"total IgE","score":0.8709999918937683},{"id":"https://openalex.org/keywords/atopy","display_name":"atopy","score":0.8920000195503235},{"id":"https://openalex.org/keywords/depression","display_name":"depression","score":0.7110000252723694},{"id":"https://openalex.org/keywords/anxiety","display_name":"anxiety","score":0.9990000128746033},{"id":"https://openalex.org/keywords/gastroesophageal-reflux-disease","display_name":"gastroesophageal reflux disease","score":0.9940000176429749},{"id":"https://openalex.org/keywords/air-pollution","display_name":"air pollution","score":0.9950000047683716},{"id":"https://openalex.org/keywords/outpatient-follow-up","display_name":"outpatient follow-up","score":0.8209999799728394},{"id":"https://openalex.org/keywords/risk-stratification","display_name":"risk stratification","score":0.7760000228881836},{"id":"https://openalex.org/keywords/hospitalization","display_name":"hospitalization","score":0.8859999775886536}],"concepts":[{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.9683411121368408},{"id":"https://openalex.org/C2776780178","wikidata":"https://www.wikidata.org/wiki/Q199804","display_name":"COPD","level":2,"score":0.8174161911010742},{"id":"https://openalex.org/C2777014857","wikidata":"https://www.wikidata.org/wiki/Q1383410","display_name":"Exacerbation","level":2,"score":0.6907320618629456},{"id":"https://openalex.org/C126322002","wikidata":"https://www.wikidata.org/wiki/Q11180","display_name":"Internal medicine","level":1,"score":0.6260533928871155},{"id":"https://openalex.org/C2779159551","wikidata":"https://www.wikidata.org/wiki/Q1414874","display_name":"Comorbidity","level":2,"score":0.5887582302093506},{"id":"https://openalex.org/C2776867660","wikidata":"https://www.wikidata.org/wiki/Q1814941","display_name":"Depression (economics)","level":2,"score":0.4984612464904785},{"id":"https://openalex.org/C77350462","wikidata":"https://www.wikidata.org/wiki/Q1125472","display_name":"Confounding","level":2,"score":0.4199734032154083},{"id":"https://openalex.org/C177713679","wikidata":"https://www.wikidata.org/wiki/Q679690","display_name":"Intensive care medicine","level":1,"score":0.40378057956695557},{"id":"https://openalex.org/C139719470","wikidata":"https://www.wikidata.org/wiki/Q39680","display_name":"Macroeconomics","level":1,"score":0.0},{"id":"https://openalex.org/C162324750","wikidata":"https://www.wikidata.org/wiki/Q8134","display_name":"Economics","level":0,"score":0.0}],"mesh":[],"locations_count":5,"locations":[{"id":"doi:10.4103/0970-2113.192877","doi":"https://doi.org/10.4103/0970-2113.192877","is_oa":true,"landing_page_url":"https://doi.org/10.4103/0970-2113.192877","pdf_url":null,"source":{"id":"https://openalex.org/S17480848","display_name":"Lung India","issn_l":"0970-2113","issn":["0970-2113","0974-598X"],"is_oa":true,"is_in_doaj":true,"is_core":true,"listed_in":["cwts-core","doaj","dongbi-c","ki-jl-1","poland-70","russia-white-list-3"],"host_organization":"https://openalex.org/P4310320448","host_organization_name":"Medknow","host_organization_lineage":["https://openalex.org/P4310320448","https://openalex.org/P4310318547"],"host_organization_lineage_names":["Medknow","Wolters Kluwer"],"type":"journal"},"license":"cc-by-nc-sa","license_id":"https://openalex.org/licenses/cc-by-nc-sa","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Lung India","raw_type":"journal-article"},{"id":"pmh:oai:europepmc.org:4077300","doi":null,"is_oa":true,"landing_page_url":"https://www.ncbi.nlm.nih.gov/pmc/articles/5112815","pdf_url":null,"source":{"id":"https://openalex.org/S4306400806","display_name":"Europe PMC (PubMed Central)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I1303153112","host_organization_name":"European Bioinformatics Institute","host_organization_lineage":["https://openalex.org/I1303153112"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by-nc-sa","license_id":"https://openalex.org/licenses/cc-by-nc-sa","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":null,"raw_type":"Text"},{"id":"pmh:oai:pubmedcentral.nih.gov:5112815","doi":null,"is_oa":true,"landing_page_url":"https://www.ncbi.nlm.nih.gov/pmc/articles/5112815","pdf_url":null,"source":{"id":"https://openalex.org/S2764455111","display_name":"PubMed Central","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I1299303238","host_organization_name":"National Institutes of Health","host_organization_lineage":["https://openalex.org/I1299303238"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by-nc-sa","license_id":"https://openalex.org/licenses/cc-by-nc-sa","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Lung India","raw_type":"Text"},{"id":"pmid:27890987","doi":null,"is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/27890987","pdf_url":null,"source":{"id":"https://openalex.org/S4306525036","display_name":"PubMed","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I1299303238","host_organization_name":"National Institutes of Health","host_organization_lineage":["https://openalex.org/I1299303238"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Lung India : official organ of Indian Chest Society","raw_type":"Journal Article"},{"id":"pmh:oai:doaj.org/article:fb70436e1c7243a5b1ae1c023e0b28b2","doi":null,"is_oa":true,"landing_page_url":"https://doaj.org/article/fb70436e1c7243a5b1ae1c023e0b28b2","pdf_url":null,"source":{"id":"https://openalex.org/S4306401280","display_name":"DOAJ (DOAJ: Directory of Open Access Journals)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by-sa","license_id":"https://openalex.org/licenses/cc-by-sa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Lung India, Vol 33, Iss 6, Pp 600-604 (2016)","raw_type":"article"}],"best_oa_location":{"id":"doi:10.4103/0970-2113.192877","doi":"https://doi.org/10.4103/0970-2113.192877","is_oa":true,"landing_page_url":"https://doi.org/10.4103/0970-2113.192877","pdf_url":null,"source":{"id":"https://openalex.org/S17480848","display_name":"Lung India","issn_l":"0970-2113","issn":["0970-2113","0974-598X"],"is_oa":true,"is_in_doaj":true,"is_core":true,"listed_in":["cwts-core","doaj","dongbi-c","ki-jl-1","poland-70","russia-white-list-3"],"host_organization":"https://openalex.org/P4310320448","host_organization_name":"Medknow","host_organization_lineage":["https://openalex.org/P4310320448","https://openalex.org/P4310318547"],"host_organization_lineage_names":["Medknow","Wolters Kluwer"],"type":"journal"},"license":"cc-by-nc-sa","license_id":"https://openalex.org/licenses/cc-by-nc-sa","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Lung India","raw_type":"journal-article"},"sustainable_development_goals":[{"display_name":"Good health and well-being","id":"https://metadata.un.org/sdg/3","score":1.0}],"study_designs":[{"display_name":"Observational Study","id":"https://openalex.org/study-designs/observational-study"}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":17,"referenced_works":["https://openalex.org/W1712584899","https://openalex.org/W1973742535","https://openalex.org/W1981359661","https://openalex.org/W2002726093","https://openalex.org/W2056128293","https://openalex.org/W2078854698","https://openalex.org/W2115868108","https://openalex.org/W2117601026","https://openalex.org/W2127951128","https://openalex.org/W2142415957","https://openalex.org/W2144311171","https://openalex.org/W2155582372","https://openalex.org/W2165788364","https://openalex.org/W2333081132","https://openalex.org/W2333320796","https://openalex.org/W2740155436","https://openalex.org/W4235938028"],"related_works":["https://openalex.org/W2563056579","https://openalex.org/W2337614358","https://openalex.org/W1992927517","https://openalex.org/W2011672725","https://openalex.org/W2364293866","https://openalex.org/W2565001683","https://openalex.org/W2034825289","https://openalex.org/W3095104293","https://openalex.org/W2566824735","https://openalex.org/W4312733369"],"abstract_inverted_index":{"INTRODUCTION:":[0],"Acute":[1],"exacerbations":[2,25,47,83,112,121,177],"are":[3],"a":[4,65,71,220,228],"significant":[5],"source":[6],"of":[7,24,33,44,62,67,82,96,119,129,168,188],"morbidity":[8],"and":[9,91,93,127,147,160,196],"mortality":[10],"associated":[11],"with":[12,59,111,175],"chronic":[13],"obstructive":[14],"pulmonary":[15],"disease":[16,151],"(COPD).":[17],"Some":[18],"patients":[19,57,98,106,131,174],"suffer":[20],"an":[21,210],"inordinate":[22],"number":[23,81,118],"while":[26,215],"others":[27],"remain":[28],"relatively":[29],"protected.":[30],"The":[31,116],"aim":[32],"this":[34],"study":[35],"was":[36,122],"to":[37,157,192],"evaluate":[38],"the":[39,80,85,130],"potentially":[40],"modifiable":[41,183],"precipitating":[42],"parameters":[43],"frequent":[45,133,169,176],"severe":[46,120,134,170],"requiring":[48],"hospital":[49,74],"admission":[50],"in":[51,70,84,113,213,224,227],"COPD.":[52],"MATERIALS":[53],"AND":[54],"METHODS:":[55],"Consecutive":[56],"admitted":[58,109],"acute":[60],"exacerbation":[61,194],"COPD":[63,97,105,173,214],"for":[64,182],"period":[66],"one":[68],"year":[69],"tertiary":[72],"care":[73,230],"were":[75,99,165],"evaluated":[76],"prospectively.":[77],"Data":[78],"regarding":[79],"previous":[86],"year,":[87],"current":[88],"comorbidities,":[89],"medications,":[90],"clinical":[92],"functional":[94],"status":[95],"evaluated.":[100],"RESULTS:":[101],"We":[102],"included":[103],"98":[104],"(81.63%":[107],"men)":[108],"consecutively":[110],"our":[114],"department.":[115],"mean":[117],"(2.42":[123],"per":[124],"patient/per":[125],"year),":[126],"65%":[128],"had":[132],"exacerbations.":[135,171],"Multivariate":[136],"analysis":[137],"indicated":[138],"that":[139],"serum":[140,143,201],"uric":[141,216],"acid,":[142],"total":[144,202],"IgE,":[145],"depression":[146],"anxiety,":[148],"gastroesophageal":[149],"reflux":[150],"symptoms,":[152],"air":[153],"pollution,":[154],"poor":[155,189,198],"adherence":[156],"inhaled":[158],"therapy,":[159],"irregular":[161],"outpatient":[162],"followup":[163],"visits":[164],"independent":[166],"predictors":[167],"CONCLUSION:":[172],"should":[178],"be":[179],"carefully":[180],"assessed":[181],"confounding":[184],"risk":[185,225],"factors":[186],"regardless":[187],"lung":[190],"function":[191],"decrease":[193],"frequency":[195],"related":[197],"prognosis.":[199],"Raised":[200],"IgE":[203],"levels":[204],"may":[205],"point":[206],"towards":[207],"atopy":[208],"as":[209],"additional":[211],"comorbidity":[212],"acid":[217],"can":[218],"have":[219],"clinically":[221],"useful":[222],"role":[223],"stratification":[226],"primary":[229],"setting.":[231]},"counts_by_year":[{"year":2023,"cited_by_count":1},{"year":2020,"cited_by_count":4},{"year":2017,"cited_by_count":3},{"year":2013,"cited_by_count":1}],"updated_date":"2026-10-28T10:33:24.094632","created_date":"2016-11-04T00:00:00"}
