Get quick answers to your questions about the article from our AI researcher chatbot
{'id': 'https://openalex.org/W1523901651', 'doi': 'https://doi.org/10.1111/j.1463-1318.2011.02899.x', 'title': 'Colonoscopy‐associated perforation: a 7‐year survey of in‐hospital frequency, treatment and outcome in a German university hospital', 'display_name': 'Colonoscopy‐associated perforation: a 7‐year survey of in‐hospital frequency, treatment and outcome in a German university hospital', 'publication_year': 2011, 'publication_date': '2011-11-28', 'ids': {'openalex': 'https://openalex.org/W1523901651', 'doi': 'https://doi.org/10.1111/j.1463-1318.2011.02899.x', 'mag': '1523901651', 'pmid': 'https://pubmed.ncbi.nlm.nih.gov/22122526'}, 'language': 'en', 'primary_location': {'is_oa': False, 'landing_page_url': 'https://doi.org/10.1111/j.1463-1318.2011.02899.x', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S91064148', 'display_name': 'Colorectal Disease', 'issn_l': '1462-8910', 'issn': ['1462-8910', '1463-1318'], 'is_oa': False, 'is_in_doaj': False, 'is_core': True, 'host_organization': 'https://openalex.org/P4310320595', 'host_organization_name': 'Wiley', 'host_organization_lineage': ['https://openalex.org/P4310320595'], 'host_organization_lineage_names': ['Wiley'], 'type': 'journal'}, 'license': None, 'license_id': None, 'version': None, 'is_accepted': False, 'is_published': False}, 'type': 'article', 'type_crossref': 'journal-article', 'indexed_in': ['crossref', 'pubmed'], 'open_access': {'is_oa': False, 'oa_status': 'closed', 'oa_url': None, 'any_repository_has_fulltext': False}, 'authorships': [{'author_position': 'first', 'author': {'id': 'https://openalex.org/A5008433754', 'display_name': 'Alexander Hagel', 'orcid': 'https://orcid.org/0000-0002-1785-0488'}, 'institutions': [{'id': 'https://openalex.org/I181369854', 'display_name': 'Friedrich-Alexander-Universität Erlangen-Nürnberg', 'ror': 'https://ror.org/00f7hpc57', 'country_code': 'DE', 'type': 'education', 'lineage': ['https://openalex.org/I181369854']}], 'countries': ['DE'], 'is_corresponding': False, 'raw_author_name': 'A. F. Hagel', 'raw_affiliation_strings': ['Department of Medicine I University of Erlangen Erlangen Germany'], 'affiliations': [{'raw_affiliation_string': 'Department of Medicine I University of Erlangen Erlangen Germany', 'institution_ids': ['https://openalex.org/I181369854']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5057561789', 'display_name': 'Frank Boxberger', 'orcid': None}, 'institutions': [{'id': 'https://openalex.org/I181369854', 'display_name': 'Friedrich-Alexander-Universität Erlangen-Nürnberg', 'ror': 'https://ror.org/00f7hpc57', 'country_code': 'DE', 'type': 'education', 'lineage': ['https://openalex.org/I181369854']}], 'countries': ['DE'], 'is_corresponding': False, 'raw_author_name': 'F. Boxberger', 'raw_affiliation_strings': ['Department of Medicine I University of Erlangen Erlangen Germany'], 'affiliations': [{'raw_affiliation_string': 'Department of Medicine I University of Erlangen Erlangen Germany', 'institution_ids': ['https://openalex.org/I181369854']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5068253221', 'display_name': 'Wolfgang Dauth', 'orcid': 'https://orcid.org/0000-0002-4269-6910'}, 'institutions': [{'id': 'https://openalex.org/I136199984', 'display_name': 'Harvard University', 'ror': 'https://ror.org/03vek6s52', 'country_code': 'US', 'type': 'education', 'lineage': ['https://openalex.org/I136199984']}], 'countries': ['US'], 'is_corresponding': False, 'raw_author_name': 'W. Dauth', 'raw_affiliation_strings': ['Harvard Kennedy School of Government Cambridge MA USA'], 'affiliations': [{'raw_affiliation_string': 'Harvard Kennedy School of Government Cambridge MA USA', 'institution_ids': ['https://openalex.org/I136199984']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5080216358', 'display_name': 'Hermann Keßler', 'orcid': None}, 'institutions': [{'id': 'https://openalex.org/I181369854', 'display_name': 'Friedrich-Alexander-Universität Erlangen-Nürnberg', 'ror': 'https://ror.org/00f7hpc57', 'country_code': 'DE', 'type': 'education', 'lineage': ['https://openalex.org/I181369854']}], 'countries': ['DE'], 'is_corresponding': False, 'raw_author_name': 'H. P. Kessler', 'raw_affiliation_strings': ['Department of Surgery. University of Erlangen, Erlangen, Germany'], 'affiliations': [{'raw_affiliation_string': 'Department of Surgery. University of Erlangen, Erlangen, Germany', 'institution_ids': ['https://openalex.org/I181369854']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5032480207', 'display_name': 'Markus F. Neurath', 'orcid': 'https://orcid.org/0000-0003-4344-1474'}, 'institutions': [{'id': 'https://openalex.org/I181369854', 'display_name': 'Friedrich-Alexander-Universität Erlangen-Nürnberg', 'ror': 'https://ror.org/00f7hpc57', 'country_code': 'DE', 'type': 'education', 'lineage': ['https://openalex.org/I181369854']}], 'countries': ['DE'], 'is_corresponding': False, 'raw_author_name': 'M. F. Neurath', 'raw_affiliation_strings': ['Department of Medicine I University of Erlangen Erlangen Germany'], 'affiliations': [{'raw_affiliation_string': 'Department of Medicine I University of Erlangen Erlangen Germany', 'institution_ids': ['https://openalex.org/I181369854']}]}, {'author_position': 'last', 'author': {'id': 'https://openalex.org/A5106325137', 'display_name': 'Martin Raithel', 'orcid': 'https://orcid.org/0000-0002-7654-080X'}, 'institutions': [{'id': 'https://openalex.org/I181369854', 'display_name': 'Friedrich-Alexander-Universität Erlangen-Nürnberg', 'ror': 'https://ror.org/00f7hpc57', 'country_code': 'DE', 'type': 'education', 'lineage': ['https://openalex.org/I181369854']}], 'countries': ['DE'], 'is_corresponding': False, 'raw_author_name': 'M. Raithel', 'raw_affiliation_strings': ['Department of Medicine I University of Erlangen Erlangen Germany'], 'affiliations': [{'raw_affiliation_string': 'Department of Medicine I University of Erlangen Erlangen Germany', 'institution_ids': ['https://openalex.org/I181369854']}]}], 'institution_assertions': [], 'countries_distinct_count': 2, 'institutions_distinct_count': 2, 'corresponding_author_ids': [], 'corresponding_institution_ids': [], 'apc_list': {'value': 4070, 'currency': 'USD', 'value_usd': 4070, 'provenance': 'doaj'}, 'apc_paid': None, 'fwci': 3.116, 'has_fulltext': True, 'fulltext_origin': 'ngrams', 'cited_by_count': 31, 'citation_normalized_percentile': {'value': 0.893124, 'is_in_top_1_percent': False, 'is_in_top_10_percent': False}, 'cited_by_percentile_year': {'min': 92, 'max': 93}, 'biblio': {'volume': '14', 'issue': '9', 'first_page': '1121', 'last_page': '1125'}, 'is_retracted': False, 'is_paratext': False, 'primary_topic': {'id': 'https://openalex.org/T10696', 'display_name': 'Gastric Cancer Management and Outcomes', 'score': 0.9997, '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/T10696', 'display_name': 'Gastric Cancer Management and Outcomes', 'score': 0.9997, '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/T10552', 'display_name': 'Colorectal Cancer Screening and Detection', 'score': 0.9997, 'subfield': {'id': 'https://openalex.org/subfields/2730', 'display_name': 'Oncology'}, '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/T11658', 'display_name': 'Esophageal and GI Pathology', 'score': 0.9966, 'subfield': {'id': 'https://openalex.org/subfields/2746', 'display_name': 'Surgery'}, '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/polypectomy', 'display_name': 'Polypectomy', 'score': 0.8684888}, {'id': 'https://openalex.org/keywords/perforation', 'display_name': 'Perforation', 'score': 0.7187079}, {'id': 'https://openalex.org/keywords/therapeutic-endoscopy', 'display_name': 'Therapeutic Endoscopy', 'score': 0.5131834}], 'concepts': [{'id': 'https://openalex.org/C71924100', 'wikidata': 'https://www.wikidata.org/wiki/Q11190', 'display_name': 'Medicine', 'level': 0, 'score': 0.98242366}, {'id': 'https://openalex.org/C2780581329', 'wikidata': 'https://www.wikidata.org/wiki/Q7226727', 'display_name': 'Polypectomy', 'level': 5, 'score': 0.8684888}, {'id': 'https://openalex.org/C2778435480', 'wikidata': 'https://www.wikidata.org/wiki/Q840387', 'display_name': 'Colonoscopy', 'level': 4, 'score': 0.86614704}, {'id': 'https://openalex.org/C2778792578', 'wikidata': 'https://www.wikidata.org/wiki/Q4121501', 'display_name': 'Argon plasma coagulation', 'level': 3, 'score': 0.7763547}, {'id': 'https://openalex.org/C2778456384', 'wikidata': 'https://www.wikidata.org/wiki/Q1508510', 'display_name': 'Perforation', 'level': 3, 'score': 0.7187079}, {'id': 'https://openalex.org/C141071460', 'wikidata': 'https://www.wikidata.org/wiki/Q40821', 'display_name': 'Surgery', 'level': 1, 'score': 0.6707831}, {'id': 'https://openalex.org/C2778805947', 'wikidata': 'https://www.wikidata.org/wiki/Q7782515', 'display_name': 'Therapeutic endoscopy', 'level': 3, 'score': 0.5131834}, {'id': 'https://openalex.org/C8443397', 'wikidata': 'https://www.wikidata.org/wiki/Q15177', 'display_name': 'Anastomosis', 'level': 2, 'score': 0.46385667}, {'id': 'https://openalex.org/C2778451229', 'wikidata': 'https://www.wikidata.org/wiki/Q212809', 'display_name': 'Endoscopy', 'level': 2, 'score': 0.43571746}, {'id': 'https://openalex.org/C179755657', 'wikidata': 'https://www.wikidata.org/wiki/Q58702', 'display_name': 'Mortality rate', 'level': 2, 'score': 0.4273671}, {'id': 'https://openalex.org/C61434518', 'wikidata': 'https://www.wikidata.org/wiki/Q932510', 'display_name': 'General surgery', 'level': 1, 'score': 0.34970146}, {'id': 'https://openalex.org/C526805850', 'wikidata': 'https://www.wikidata.org/wiki/Q188874', 'display_name': 'Colorectal cancer', 'level': 3, 'score': 0.3164592}, {'id': 'https://openalex.org/C126322002', 'wikidata': 'https://www.wikidata.org/wiki/Q11180', 'display_name': 'Internal medicine', 'level': 1, 'score': 0.23801601}, {'id': 'https://openalex.org/C121608353', 'wikidata': 'https://www.wikidata.org/wiki/Q12078', 'display_name': 'Cancer', 'level': 2, 'score': 0.12837493}, {'id': 'https://openalex.org/C192562407', 'wikidata': 'https://www.wikidata.org/wiki/Q228736', 'display_name': 'Materials science', 'level': 0, 'score': 0.0}, {'id': 'https://openalex.org/C2778527123', 'wikidata': 'https://www.wikidata.org/wiki/Q11750728', 'display_name': 'Punching', 'level': 2, 'score': 0.0}, {'id': 'https://openalex.org/C191897082', 'wikidata': 'https://www.wikidata.org/wiki/Q11467', 'display_name': 'Metallurgy', 'level': 1, 'score': 0.0}], 'mesh': [{'descriptor_ui': 'D003113', 'descriptor_name': 'Colonoscopy', 'qualifier_ui': 'Q000009', 'qualifier_name': 'adverse effects', 'is_major_topic': True}, {'descriptor_ui': 'D007416', 'descriptor_name': 'Intestinal Perforation', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': True}, {'descriptor_ui': 'D000328', 'descriptor_name': 'Adult', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D000368', 'descriptor_name': 'Aged', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D000369', 'descriptor_name': 'Aged, 80 and over', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D057908', 'descriptor_name': 'Argon Plasma Coagulation', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D057908', 'descriptor_name': 'Argon Plasma Coagulation', 'qualifier_ui': 'Q000009', 'qualifier_name': 'adverse effects', 'is_major_topic': False}, {'descriptor_ui': 'D003113', 'descriptor_name': 'Colonoscopy', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D004210', 'descriptor_name': 'Dissection', 'qualifier_ui': 'Q000009', 'qualifier_name': 'adverse effects', 'is_major_topic': False}, {'descriptor_ui': 'D004210', 'descriptor_name': 'Dissection', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D005260', 'descriptor_name': 'Female', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D005858', 'descriptor_name': 'Germany', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D006785', 'descriptor_name': 'Hospitals, University', 'qualifier_ui': 'Q000706', 'qualifier_name': 'statistics & numerical data', 'is_major_topic': False}, {'descriptor_ui': 'D006785', 'descriptor_name': 'Hospitals, University', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D006801', 'descriptor_name': 'Humans', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D007410', 'descriptor_name': 'Intestinal Diseases', 'qualifier_ui': 'Q000150', 'qualifier_name': 'complications', 'is_major_topic': False}, {'descriptor_ui': 'D007410', 'descriptor_name': 'Intestinal Diseases', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D007416', 'descriptor_name': 'Intestinal Perforation', 'qualifier_ui': 'Q000601', 'qualifier_name': 'surgery', 'is_major_topic': False}, {'descriptor_ui': 'D007416', 'descriptor_name': 'Intestinal Perforation', 'qualifier_ui': 'Q000209', 'qualifier_name': 'etiology', 'is_major_topic': False}, {'descriptor_ui': 'D007416', 'descriptor_name': 'Intestinal Perforation', 'qualifier_ui': 'Q000175', 'qualifier_name': 'diagnosis', 'is_major_topic': False}, {'descriptor_ui': 'D008297', 'descriptor_name': 'Male', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D008875', 'descriptor_name': 'Middle Aged', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D012307', 'descriptor_name': 'Risk Factors', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}], 'locations_count': 2, 'locations': [{'is_oa': False, 'landing_page_url': 'https://doi.org/10.1111/j.1463-1318.2011.02899.x', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S91064148', 'display_name': 'Colorectal Disease', 'issn_l': '1462-8910', 'issn': ['1462-8910', '1463-1318'], 'is_oa': False, 'is_in_doaj': False, 'is_core': True, 'host_organization': 'https://openalex.org/P4310320595', 'host_organization_name': 'Wiley', 'host_organization_lineage': ['https://openalex.org/P4310320595'], 'host_organization_lineage_names': ['Wiley'], 'type': 'journal'}, 'license': None, 'license_id': None, 'version': None, 'is_accepted': False, 'is_published': False}, {'is_oa': False, 'landing_page_url': 'https://pubmed.ncbi.nlm.nih.gov/22122526', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S4306525036', 'display_name': 'PubMed', 'issn_l': None, 'issn': None, 'is_oa': False, 'is_in_doaj': False, 'is_core': False, 'host_organization': 'https://openalex.org/I1299303238', 'host_organization_name': 'National Institutes of Health', 'host_organization_lineage': ['https://openalex.org/I1299303238'], 'host_organization_lineage_names': ['National Institutes of Health'], 'type': 'repository'}, 'license': None, 'license_id': None, 'version': None, 'is_accepted': False, 'is_published': False}], 'best_oa_location': None, 'sustainable_development_goals': [{'id': 'https://metadata.un.org/sdg/3', 'score': 0.88, 'display_name': 'Good health and well-being'}], 'grants': [], 'datasets': [], 'versions': [], 'referenced_works_count': 17, 'referenced_works': ['https://openalex.org/W122768022', 'https://openalex.org/W1967427469', 'https://openalex.org/W1974249921', 'https://openalex.org/W2005675882', 'https://openalex.org/W2029568898', 'https://openalex.org/W2049833279', 'https://openalex.org/W2054206890', 'https://openalex.org/W2056584762', 'https://openalex.org/W2087337636', 'https://openalex.org/W2113442532', 'https://openalex.org/W2123728868', 'https://openalex.org/W2129431772', 'https://openalex.org/W2138003487', 'https://openalex.org/W2143692516', 'https://openalex.org/W2419560847', 'https://openalex.org/W2919033338', 'https://openalex.org/W4245478783'], 'related_works': ['https://openalex.org/W3117865238', 'https://openalex.org/W3094606858', 'https://openalex.org/W3033800427', 'https://openalex.org/W2807326405', 'https://openalex.org/W2388380676', 'https://openalex.org/W2387471433', 'https://openalex.org/W2164921230', 'https://openalex.org/W2080612631', 'https://openalex.org/W2046419434', 'https://openalex.org/W2000155940'], 'abstract_inverted_index': {'Perforation': [0], 'occurs': [1], 'rarely': [2], 'after': [3, 154, 162], 'colonoscopy,': [4], 'but': [5], 'is': [6, 164, 172], 'associated': [7], 'with': [8, 68, 138], 'high': [9], 'morbidity': [10], 'and': [11, 27, 43, 59, 81, 93, 119, 136, 177, 187], 'mortality.': [12], 'In': [13], 'this': [14], 'study,': [15], 'we': [16], 'assessed': [17], 'the': [18, 28, 31, 179], 'perforation': [19, 127, 161, 196], 'rate': [20], 'in': [21, 109, 132, 141, 156, 167, 174, 178], 'our': [22], 'hospital,': [23], 'its': [24], 'clinical': [25], 'diagnosis': [26], 'long-term': [29], 'outcome.During': [30], 'study': [32], 'period,': [33], '7535': [34], 'examinations': [35], 'were': [36, 41, 116], 'performed,': [37], 'of': [38, 126, 181, 195], 'which': [39], '4830': [40], 'diagnostic': [42, 79, 102, 200], '2705': [44], 'therapeutic.': [45], 'The': [46, 124, 170], 'latter': [47], 'included': [48], 'polypectomy,': [49], 'endoscopic': [50, 54, 148], 'mucosal': [51], 'resection': [52, 91, 155], '(EMR),': [53], 'submucosal': [55], 'dissection': [56], '(ESD),': [57], 'dilatation': [58], 'argon': [60], 'plasma': [61], 'coagulation': [62], '(APC).Overall,': [63], '25': [64], '(0.33%)': [65], 'perforations': [66, 75, 98], 'occurred': [67, 76, 84], 'two': [69], '(0.026%)': [70], 'procedure-related': [71], 'deaths.': [72], 'Seven': [73], '(0.14%)': [74], 'during': [77, 85], 'a': [78, 86, 192], 'procedure': [80], '18': [82], '(0.67%)': [83], 'therapeutic': [87, 175], 'procedure.': [88], 'Dilation,': [89], 'submusous': [90], '(SMR)': [92], 'APC': [94, 188], 'accounted': [95], 'for': [96], 'more': [97], 'than': [99, 197], 'polypectomy': [100, 198], 'or': [101, 199], 'colonoscopy.': [103, 201], 'Pre-existing': [104], 'gastrointestinal': [105, 183], 'disease': [106], 'was': [107, 128, 152], 'present': [108], '24': [110], '(96%)': [111], 'perforations.': [112], 'Three': [113], '(12%)': [114], 'patients': [115, 135, 146], 'treated': [117], 'conservatively': [118], '22': [120], '(88%)': [121], 'underwent': [122, 147], 'surgery.': [123], 'site': [125], 'closed': [129], 'by': [130], 'suture': [131], 'four': [133], '(18%)': [134], 'resected': [137], 'colonic': [139], 'anastomosis': [140], 'five': [142], '(23%)': [143], 'patients.': [144], 'Two': [145], 'clipping.': [149], 'A': [150], 'stoma': [151], 'created': [153], '13': [157], '(59%)': [158], 'patients.Death': [159], 'from': [160], 'colonoscopy': [163, 176], 'rare,': [165], 'occurring': [166], '1/3500': [168], 'examinations.': [169], 'risk': [171, 194], 'increased': [173], 'presence': [180], 'previous': [182], 'disease.': [184], 'Dilatation,': [185], 'SMR': [186], 'appeared': [189], 'to': [190], 'confer': [191], 'higher': [193]}, 'cited_by_api_url': 'https://api.openalex.org/works?filter=cites:W1523901651', 'counts_by_year': [{'year': 2022, 'cited_by_count': 1}, {'year': 2021, 'cited_by_count': 2}, {'year': 2020, 'cited_by_count': 2}, {'year': 2019, 'cited_by_count': 3}, {'year': 2018, 'cited_by_count': 1}, {'year': 2017, 'cited_by_count': 4}, {'year': 2016, 'cited_by_count': 3}, {'year': 2015, 'cited_by_count': 3}, {'year': 2014, 'cited_by_count': 7}, {'year': 2013, 'cited_by_count': 2}, {'year': 2012, 'cited_by_count': 3}], 'updated_date': '2024-12-17T02:57:16.954626', 'created_date': '2016-06-24'}