{"id":"https://openalex.org/W1990145909","doi":"https://doi.org/10.1016/j.jamcollsurg.2011.02.008","title":"Atypical Variants of Classic Achalasia Are Common and Currently Under-Recognized: A Study of Prevalence and Clinical Features","display_name":"Atypical Variants of Classic Achalasia Are Common and Currently Under-Recognized: A Study of Prevalence and Clinical Features","publication_year":2011,"publication_date":"2011-03-25","ids":{"openalex":"https://openalex.org/W1990145909","doi":"https://doi.org/10.1016/j.jamcollsurg.2011.02.008","mag":"1990145909","pmid":"https://pubmed.ncbi.nlm.nih.gov/21435920"},"language":"en","primary_location":{"id":"doi:10.1016/j.jamcollsurg.2011.02.008","doi":"https://doi.org/10.1016/j.jamcollsurg.2011.02.008","is_oa":false,"landing_page_url":"https://doi.org/10.1016/j.jamcollsurg.2011.02.008","pdf_url":null,"source":{"id":"https://openalex.org/S134316426","display_name":"Journal of the American College of Surgeons","issn_l":"1072-7515","issn":["1072-7515","1879-1190"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-scientific","cwts-core","dongbi-b","doyens","jufo-3","ki-jl-1","medline","norway-1","poland-140","russia-white-list-1"],"host_organization":"https://openalex.org/P4310315671","host_organization_name":"Lippincott Williams & Wilkins","host_organization_lineage":["https://openalex.org/P4310315671","https://openalex.org/P4310318547"],"host_organization_lineage_names":["Lippincott Williams & Wilkins","Wolters Kluwer"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of the American College of Surgeons","raw_type":"journal-article"},"volume":null,"type":"article","indexed_in":["crossref","pubmed"],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5042651361","display_name":"Kelly M. Galey","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I28792581","display_name":"University of Rochester Medicine","ror":"https://ror.org/00trqv719","country_code":"US","type":"healthcare","lineage":["https://openalex.org/I28792581","https://openalex.org/I5388228"]},{"id":"https://openalex.org/I5388228","display_name":"University of Rochester","ror":"https://ror.org/022kthw22","country_code":"US","type":"education","lineage":["https://openalex.org/I5388228"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Kelly M. Galey","raw_affiliation_strings":["Division of Thoracic and Foregut Surgery, Department of Surgery, University of Rochester Medical Center, Rochester, NY 14534, USA","Division of Thoracic and Foregut Surgery, Department of Surgery, University of Rochester Medical Center, Rochester, NY","Submitted December 6, 2010","accepted February 1, 2011","revised January 28, 2011"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Division of Thoracic and Foregut Surgery, Department of Surgery, University of Rochester Medical Center, Rochester, NY 14534, USA","institution_ids":["https://openalex.org/I28792581","https://openalex.org/I5388228"]},{"raw_affiliation_string":"Division of Thoracic and Foregut Surgery, Department of Surgery, University of Rochester Medical Center, Rochester, NY","institution_ids":["https://openalex.org/I28792581","https://openalex.org/I5388228"]},{"raw_affiliation_string":"Submitted December 6, 2010","institution_ids":[]},{"raw_affiliation_string":"accepted February 1, 2011","institution_ids":[]},{"raw_affiliation_string":"revised January 28, 2011","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5061374457","display_name":"Candice L. Wilshire","orcid":"https://orcid.org/0000-0002-3637-1802","observed_orcids":["https://orcid.org/0000-0002-3637-1802"]},"institutions":[{"id":"https://openalex.org/I28792581","display_name":"University of Rochester Medicine","ror":"https://ror.org/00trqv719","country_code":"US","type":"healthcare","lineage":["https://openalex.org/I28792581","https://openalex.org/I5388228"]},{"id":"https://openalex.org/I5388228","display_name":"University of Rochester","ror":"https://ror.org/022kthw22","country_code":"US","type":"education","lineage":["https://openalex.org/I5388228"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Candice L. Wilshire","raw_affiliation_strings":["Division of Thoracic and Foregut Surgery, Department of Surgery, University of Rochester Medical Center, Rochester, NY","Submitted December 6, 2010; revised January 28, 2011; accepted February 1, 2011","Submitted December 6, 2010","accepted February 1, 2011","revised January 28, 2011"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Division of Thoracic and Foregut Surgery, Department of Surgery, University of Rochester Medical Center, Rochester, NY","institution_ids":["https://openalex.org/I28792581","https://openalex.org/I5388228"]},{"raw_affiliation_string":"Submitted December 6, 2010; revised January 28, 2011; accepted February 1, 2011","institution_ids":[]},{"raw_affiliation_string":"Submitted December 6, 2010","institution_ids":[]},{"raw_affiliation_string":"accepted February 1, 2011","institution_ids":[]},{"raw_affiliation_string":"revised January 28, 2011","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5023351087","display_name":"Stefan Niebisch","orcid":"https://orcid.org/0000-0001-7049-2854","observed_orcids":["https://orcid.org/0000-0001-7049-2854"]},"institutions":[{"id":"https://openalex.org/I28792581","display_name":"University of Rochester Medicine","ror":"https://ror.org/00trqv719","country_code":"US","type":"healthcare","lineage":["https://openalex.org/I28792581","https://openalex.org/I5388228"]},{"id":"https://openalex.org/I5388228","display_name":"University of Rochester","ror":"https://ror.org/022kthw22","country_code":"US","type":"education","lineage":["https://openalex.org/I5388228"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Stefan Niebisch","raw_affiliation_strings":["Division of Thoracic and Foregut Surgery, Department of Surgery, University of Rochester Medical Center, Rochester, NY","Submitted December 6, 2010; revised January 28, 2011; accepted February 1, 2011","Submitted December 6, 2010","accepted February 1, 2011","revised January 28, 2011"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Division of Thoracic and Foregut Surgery, Department of Surgery, University of Rochester Medical Center, Rochester, NY","institution_ids":["https://openalex.org/I28792581","https://openalex.org/I5388228"]},{"raw_affiliation_string":"Submitted December 6, 2010; revised January 28, 2011; accepted February 1, 2011","institution_ids":[]},{"raw_affiliation_string":"Submitted December 6, 2010","institution_ids":[]},{"raw_affiliation_string":"accepted February 1, 2011","institution_ids":[]},{"raw_affiliation_string":"revised January 28, 2011","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5103958341","display_name":"Carolyn E. Jones","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I28792581","display_name":"University of Rochester Medicine","ror":"https://ror.org/00trqv719","country_code":"US","type":"healthcare","lineage":["https://openalex.org/I28792581","https://openalex.org/I5388228"]},{"id":"https://openalex.org/I5388228","display_name":"University of Rochester","ror":"https://ror.org/022kthw22","country_code":"US","type":"education","lineage":["https://openalex.org/I5388228"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Carolyn E. Jones","raw_affiliation_strings":["Division of Thoracic and Foregut Surgery, Department of Surgery, University of Rochester Medical Center, Rochester, NY","Submitted December 6, 2010; revised January 28, 2011; accepted February 1, 2011","Submitted December 6, 2010","accepted February 1, 2011","revised January 28, 2011"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Division of Thoracic and Foregut Surgery, Department of Surgery, University of Rochester Medical Center, Rochester, NY","institution_ids":["https://openalex.org/I28792581","https://openalex.org/I5388228"]},{"raw_affiliation_string":"Submitted December 6, 2010; revised January 28, 2011; accepted February 1, 2011","institution_ids":[]},{"raw_affiliation_string":"Submitted December 6, 2010","institution_ids":[]},{"raw_affiliation_string":"accepted February 1, 2011","institution_ids":[]},{"raw_affiliation_string":"revised January 28, 2011","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5020860800","display_name":"Daniel Philip Raymond","orcid":"https://orcid.org/0000-0002-0978-3406","observed_orcids":["https://orcid.org/0000-0002-0978-3406"]},"institutions":[{"id":"https://openalex.org/I28792581","display_name":"University of Rochester Medicine","ror":"https://ror.org/00trqv719","country_code":"US","type":"healthcare","lineage":["https://openalex.org/I28792581","https://openalex.org/I5388228"]},{"id":"https://openalex.org/I5388228","display_name":"University of Rochester","ror":"https://ror.org/022kthw22","country_code":"US","type":"education","lineage":["https://openalex.org/I5388228"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Daniel P. Raymond","raw_affiliation_strings":["Division of Thoracic and Foregut Surgery, Department of Surgery, University of Rochester Medical Center, Rochester, NY","Submitted December 6, 2010; revised January 28, 2011; accepted February 1, 2011","Submitted December 6, 2010","accepted February 1, 2011","revised January 28, 2011"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Division of Thoracic and Foregut Surgery, Department of Surgery, University of Rochester Medical Center, Rochester, NY","institution_ids":["https://openalex.org/I28792581","https://openalex.org/I5388228"]},{"raw_affiliation_string":"Submitted December 6, 2010; revised January 28, 2011; accepted February 1, 2011","institution_ids":[]},{"raw_affiliation_string":"Submitted December 6, 2010","institution_ids":[]},{"raw_affiliation_string":"accepted February 1, 2011","institution_ids":[]},{"raw_affiliation_string":"revised January 28, 2011","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5021970250","display_name":"Virginia Ruth Litle","orcid":"https://orcid.org/0000-0002-3107-688X","observed_orcids":["https://orcid.org/0000-0002-3107-688X"]},"institutions":[{"id":"https://openalex.org/I28792581","display_name":"University of Rochester Medicine","ror":"https://ror.org/00trqv719","country_code":"US","type":"healthcare","lineage":["https://openalex.org/I28792581","https://openalex.org/I5388228"]},{"id":"https://openalex.org/I5388228","display_name":"University of Rochester","ror":"https://ror.org/022kthw22","country_code":"US","type":"education","lineage":["https://openalex.org/I5388228"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Virginia R. Litle","raw_affiliation_strings":["Division of Thoracic and Foregut Surgery, Department of Surgery, University of Rochester Medical Center, Rochester, NY","Submitted December 6, 2010; revised January 28, 2011; accepted February 1, 2011","Submitted December 6, 2010","accepted February 1, 2011","revised January 28, 2011"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Division of Thoracic and Foregut Surgery, Department of Surgery, University of Rochester Medical Center, Rochester, NY","institution_ids":["https://openalex.org/I28792581","https://openalex.org/I5388228"]},{"raw_affiliation_string":"Submitted December 6, 2010; revised January 28, 2011; accepted February 1, 2011","institution_ids":[]},{"raw_affiliation_string":"Submitted December 6, 2010","institution_ids":[]},{"raw_affiliation_string":"accepted February 1, 2011","institution_ids":[]},{"raw_affiliation_string":"revised January 28, 2011","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5044209397","display_name":"Thomas J. Watson","orcid":"https://orcid.org/0000-0002-3282-494X","observed_orcids":["https://orcid.org/0000-0002-3282-494X"]},"institutions":[{"id":"https://openalex.org/I28792581","display_name":"University of Rochester Medicine","ror":"https://ror.org/00trqv719","country_code":"US","type":"healthcare","lineage":["https://openalex.org/I28792581","https://openalex.org/I5388228"]},{"id":"https://openalex.org/I5388228","display_name":"University of Rochester","ror":"https://ror.org/022kthw22","country_code":"US","type":"education","lineage":["https://openalex.org/I5388228"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Thomas J. Watson","raw_affiliation_strings":["Division of Thoracic and Foregut Surgery, Department of Surgery, University of Rochester Medical Center, Rochester, NY","Submitted December 6, 2010; revised January 28, 2011; accepted February 1, 2011","Submitted December 6, 2010","accepted February 1, 2011","revised January 28, 2011"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Division of Thoracic and Foregut Surgery, Department of Surgery, University of Rochester Medical Center, Rochester, NY","institution_ids":["https://openalex.org/I28792581","https://openalex.org/I5388228"]},{"raw_affiliation_string":"Submitted December 6, 2010; revised January 28, 2011; accepted February 1, 2011","institution_ids":[]},{"raw_affiliation_string":"Submitted December 6, 2010","institution_ids":[]},{"raw_affiliation_string":"accepted February 1, 2011","institution_ids":[]},{"raw_affiliation_string":"revised January 28, 2011","institution_ids":[]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5020843186","display_name":"Jeffrey H. Peters","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I28792581","display_name":"University of Rochester Medicine","ror":"https://ror.org/00trqv719","country_code":"US","type":"healthcare","lineage":["https://openalex.org/I28792581","https://openalex.org/I5388228"]},{"id":"https://openalex.org/I5388228","display_name":"University of Rochester","ror":"https://ror.org/022kthw22","country_code":"US","type":"education","lineage":["https://openalex.org/I5388228"]}],"countries":["US"],"is_corresponding":true,"raw_author_name":"Jeffrey H. Peters","raw_affiliation_strings":["Division of Thoracic and Foregut Surgery, Department of Surgery, University of Rochester Medical Center, Rochester, NY","Submitted December 6, 2010; revised January 28, 2011; accepted February 1, 2011","address: Jeffrey H Peters, MD, Department of Surgery, University of Rochester, Rochester, NY 14534","Submitted December 6, 2010","accepted February 1, 2011","revised January 28, 2011"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Division of Thoracic and Foregut Surgery, Department of Surgery, University of Rochester Medical Center, Rochester, NY","institution_ids":["https://openalex.org/I28792581","https://openalex.org/I5388228"]},{"raw_affiliation_string":"Submitted December 6, 2010; revised January 28, 2011; accepted February 1, 2011","institution_ids":[]},{"raw_affiliation_string":"address: Jeffrey H Peters, MD, Department of Surgery, University of Rochester, Rochester, NY 14534","institution_ids":["https://openalex.org/I28792581","https://openalex.org/I5388228"]},{"raw_affiliation_string":"Submitted December 6, 2010","institution_ids":[]},{"raw_affiliation_string":"accepted February 1, 2011","institution_ids":[]},{"raw_affiliation_string":"revised January 28, 2011","institution_ids":[]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5020843186"],"corresponding_institution_ids":["https://openalex.org/I28792581","https://openalex.org/I5388228"],"apc_list":{"value":3600,"currency":"USD","value_usd":3600},"apc_paid":null,"fwci":3.277,"has_fulltext":false,"cited_by_count":28,"citation_normalized_percentile":{"value":0.91135707,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":88,"max":98},"biblio":{"volume":"213","issue":"1","first_page":"155","last_page":"161"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10671","display_name":"Gastroesophageal reflux and treatments","score":0.9990000128746033,"subfield":{"id":"https://openalex.org/subfields/2715","display_name":"Gastroenterology"},"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/T10671","display_name":"Gastroesophageal reflux and treatments","score":0.9990000128746033,"subfield":{"id":"https://openalex.org/subfields/2715","display_name":"Gastroenterology"},"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/T11358","display_name":"Dysphagia Assessment and Management","score":0.00039999998989515007,"subfield":{"id":"https://openalex.org/subfields/3616","display_name":"Speech and Hearing"},"field":{"id":"https://openalex.org/fields/36","display_name":"Health Professions"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T10365","display_name":"Gastrointestinal motility and disorders","score":0.00019999999494757503,"subfield":{"id":"https://openalex.org/subfields/2715","display_name":"Gastroenterology"},"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/achalasia","display_name":"achalasia","score":0.9580000042915344},{"id":"https://openalex.org/keywords/esophageal-peristalsis","display_name":"esophageal peristalsis","score":0.8949999809265137},{"id":"https://openalex.org/keywords/aperistalsis","display_name":"aperistalsis","score":0.8859999775886536},{"id":"https://openalex.org/keywords/dysphagia","display_name":"dysphagia","score":0.8399999737739563},{"id":"https://openalex.org/keywords/esophageal-motility-disorders","display_name":"esophageal motility disorders","score":0.8040000200271606},{"id":"https://openalex.org/keywords/high-resolution-esophageal-manometry","display_name":"high-resolution esophageal manometry","score":0.8399999737739563},{"id":"https://openalex.org/keywords/prevalence","display_name":"prevalence","score":0.5410000085830688},{"id":"https://openalex.org/keywords/intrabolus-pressure","display_name":"intrabolus pressure","score":0.7940000295639038}],"concepts":[{"id":"https://openalex.org/C2779958274","wikidata":"https://www.wikidata.org/wiki/Q661015","display_name":"Achalasia","level":3,"score":0.9842247366905212},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.9046450853347778},{"id":"https://openalex.org/C2780596822","wikidata":"https://www.wikidata.org/wiki/Q623289","display_name":"Dysphagia","level":2,"score":0.8038809299468994},{"id":"https://openalex.org/C206813253","wikidata":"https://www.wikidata.org/wiki/Q308695","display_name":"Peristalsis","level":2,"score":0.7663201093673706},{"id":"https://openalex.org/C2780942740","wikidata":"https://www.wikidata.org/wiki/Q4162143","display_name":"Esophageal motility disorder","level":4,"score":0.7031140327453613},{"id":"https://openalex.org/C2778510232","wikidata":"https://www.wikidata.org/wiki/Q5757676","display_name":"High resolution manometry","level":4,"score":0.7029255032539368},{"id":"https://openalex.org/C90924648","wikidata":"https://www.wikidata.org/wiki/Q120569","display_name":"Gastroenterology","level":1,"score":0.6282833814620972},{"id":"https://openalex.org/C126322002","wikidata":"https://www.wikidata.org/wiki/Q11180","display_name":"Internal medicine","level":1,"score":0.6006839275360107},{"id":"https://openalex.org/C3018799001","wikidata":"https://www.wikidata.org/wiki/Q173710","display_name":"Esophageal sphincter","level":4,"score":0.4913457930088043},{"id":"https://openalex.org/C112497637","wikidata":"https://www.wikidata.org/wiki/Q211669","display_name":"Swallowing","level":2,"score":0.4591909945011139},{"id":"https://openalex.org/C2777819096","wikidata":"https://www.wikidata.org/wiki/Q173710","display_name":"Esophagus","level":2,"score":0.42104679346084595},{"id":"https://openalex.org/C141071460","wikidata":"https://www.wikidata.org/wiki/Q40821","display_name":"Surgery","level":1,"score":0.28044506907463074},{"id":"https://openalex.org/C43270747","wikidata":"https://www.wikidata.org/wiki/Q898610","display_name":"Reflux","level":3,"score":0.1575290560722351},{"id":"https://openalex.org/C2779134260","wikidata":"https://www.wikidata.org/wiki/Q12136","display_name":"Disease","level":2,"score":0.0}],"mesh":[{"descriptor_ui":"D000328","descriptor_name":"Adult","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D000368","descriptor_name":"Aged","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D000369","descriptor_name":"Aged, 80 and over","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D003679","descriptor_name":"Deglutition","qualifier_ui":"Q000502","qualifier_name":"physiology","is_major_topic":false},{"descriptor_ui":"D004931","descriptor_name":"Esophageal Achalasia","qualifier_ui":"Q000175","qualifier_name":"diagnosis","is_major_topic":true},{"descriptor_ui":"D004931","descriptor_name":"Esophageal Achalasia","qualifier_ui":"Q000453","qualifier_name":"epidemiology","is_major_topic":false},{"descriptor_ui":"D004931","descriptor_name":"Esophageal Achalasia","qualifier_ui":"Q000503","qualifier_name":"physiopathology","is_major_topic":true},{"descriptor_ui":"D005260","descriptor_name":"Female","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D006801","descriptor_name":"Humans","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D008297","descriptor_name":"Male","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D008365","descriptor_name":"Manometry","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D008875","descriptor_name":"Middle Aged","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D010528","descriptor_name":"Peristalsis","qualifier_ui":"Q000502","qualifier_name":"physiology","is_major_topic":false},{"descriptor_ui":"D013035","descriptor_name":"Spasm","qualifier_ui":"Q000503","qualifier_name":"physiopathology","is_major_topic":false},{"descriptor_ui":"D015331","descriptor_name":"Cohort Studies","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D015995","descriptor_name":"Prevalence","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D049630","descriptor_name":"Esophageal Sphincter, Lower","qualifier_ui":"Q000503","qualifier_name":"physiopathology","is_major_topic":false},{"descriptor_ui":"D055815","descriptor_name":"Young Adult","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false}],"locations_count":2,"locations":[{"id":"doi:10.1016/j.jamcollsurg.2011.02.008","doi":"https://doi.org/10.1016/j.jamcollsurg.2011.02.008","is_oa":false,"landing_page_url":"https://doi.org/10.1016/j.jamcollsurg.2011.02.008","pdf_url":null,"source":{"id":"https://openalex.org/S134316426","display_name":"Journal of the American College of Surgeons","issn_l":"1072-7515","issn":["1072-7515","1879-1190"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-scientific","cwts-core","dongbi-b","doyens","jufo-3","ki-jl-1","medline","norway-1","poland-140","russia-white-list-1"],"host_organization":"https://openalex.org/P4310315671","host_organization_name":"Lippincott Williams & Wilkins","host_organization_lineage":["https://openalex.org/P4310315671","https://openalex.org/P4310318547"],"host_organization_lineage_names":["Lippincott Williams & Wilkins","Wolters Kluwer"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of the American College of Surgeons","raw_type":"journal-article"},{"id":"pmid:21435920","doi":null,"is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/21435920","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":"Journal of the American College of Surgeons","raw_type":"Journal Article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":1.0,"id":"https://metadata.un.org/sdg/3","display_name":"Good health and well-being"}],"study_designs":[{"id":"https://openalex.org/study-designs/observational-study","display_name":"Observational Study"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":10,"referenced_works":["https://openalex.org/W1997170645","https://openalex.org/W2087008114","https://openalex.org/W2096793042","https://openalex.org/W2131171693","https://openalex.org/W2145303250","https://openalex.org/W2151723426","https://openalex.org/W2403701816","https://openalex.org/W2423284871","https://openalex.org/W2614802570","https://openalex.org/W2977367800"],"related_works":["https://openalex.org/W2977367800","https://openalex.org/W2413416139","https://openalex.org/W2145303250","https://openalex.org/W2409483681","https://openalex.org/W1995559894","https://openalex.org/W3095147112","https://openalex.org/W2005703295","https://openalex.org/W2390845509","https://openalex.org/W2368493038","https://openalex.org/W2921834890"],"abstract_inverted_index":{"BACKGROUND:":[0],"Advances":[1],"in":[2,150,233,243,266,287],"esophageal":[3,49,65,75,284],"manometry":[4,50],"have":[5],"facilitated":[6],"identification":[7],"of":[8,10,28,45,61,73,115,117,124,126,181,183,250,268],"variants":[9],"achalasia,":[11,62],"suggesting":[12],"they":[13],"are":[14,252],"more":[15,253],"common":[16,103,254],"than":[17,255],"previously":[18,256],"thought.":[19],"This":[20],"study":[21],"assesses":[22],"the":[23,74,105,151,167,184],"frequency":[24],"and":[25,54,82,90,95,121,162,166,174,214,217,240,272],"clinical":[26],"characteristics":[27,86,92,130],"patients":[29,46,78,161,165,173,235,271],"with":[30,79,84,119,128,198,207,219,236,245],"motility":[31],"abnormalities":[32],"similar":[33],"to,":[34],"but":[35],"not":[36],"meeting":[37],"criteria":[38],"for,":[39],"classic":[40,80,106,120,155],"achalasia.":[41],"STUDY":[42],"DESIGN:":[43],"Records":[44],"undergoing":[47],"high-resolution":[48],"between":[51],"January":[52,55],"2008":[53],"2010":[56],"were":[57,87,93],"screened":[58],"for":[59],"diagnosis":[60],"impaired":[63,188,195,246],"lower":[64],"sphincter":[66],"(LES)":[67],"relaxation,":[68],"or":[69,291],"severe":[70],"peristaltic":[71],"dysfunction":[72,259],"body.":[76],"Forty-four":[77],"achalasia":[81,99,134,156,251,270,288],"31":[83],"variant":[85,129,152,168,185,192,234,269],"identified.":[88],"Clinical":[89],"manometric":[91],"recorded":[94],"compared.":[96],"RESULTS:":[97],"Variant":[98],"was":[100,138,230],"almost":[101],"as":[102,104],"type":[107],"(31":[108],"versus":[109,144],"44":[110],"patients).":[111],"Eighty-two":[112],"percent":[113],"(36":[114],"44)":[116],"those":[118,127,244],"48%":[122],"(15":[123],"31)":[125,182],"had":[131,158,170,187],"dysphagia.":[132],"Classic":[133],"patients'":[135],"mean":[136],"age":[137],"62":[139],"years":[140,146],"(SD":[141,147],"19":[142],"years)":[143,149],"53":[145],"14":[148],"group.":[153],"The":[154,281],"group":[157,169,186],"26":[159],"male":[160,172],"18":[163],"female":[164,176],"9":[171],"22":[175],"patients.":[177],"Two":[178],"thirds":[179],"(21":[180],"LES":[189,196,205,216,238,258],"relaxation.":[190,247],"Three":[191],"patterns":[193],"emerged:":[194],"relaxation":[197,206,239,263],"normal/hypertensive":[199],"peristalsis":[200,223],"(n":[201,211,224],"=":[202,212,225],"10),":[203],"impaired/borderline":[204],"mixed":[208],"peristalsis/simultaneous":[209],"contractions":[210],"14),":[213],"impaired/normal":[215],"aperistalsis":[218],"occasional":[220],"short":[221],"segment":[222],"7).":[226],"Mean":[227],"intrabolus":[228],"pressure":[229,264],"16.3":[231],"mmHg":[232,242],"normal":[237],"23.1":[241],"CONCLUSIONS:":[248],"Variants":[249],"recognized.":[257],"defined":[260],"by":[261],"high":[262],"occurs":[265],"two-thirds":[267],"might":[273],"be":[274,294],"a":[275],"hallmark":[276],"that":[277,283],"could":[278],"direct":[279],"therapy.":[280],"notion":[282],"body":[285],"dysfunction/aperistalsis":[286],"is":[289],"all":[290],"none":[292],"should":[293],"reconsidered.":[295]},"counts_by_year":[{"year":2024,"cited_by_count":2},{"year":2022,"cited_by_count":3},{"year":2021,"cited_by_count":2},{"year":2020,"cited_by_count":1},{"year":2019,"cited_by_count":1},{"year":2018,"cited_by_count":3},{"year":2017,"cited_by_count":2},{"year":2016,"cited_by_count":2},{"year":2015,"cited_by_count":2},{"year":2014,"cited_by_count":2},{"year":2013,"cited_by_count":6},{"year":2012,"cited_by_count":1}],"updated_date":"2026-10-31T12:09:11.096373","created_date":"2016-06-24T00:00:00"}
