Get quick answers to your questions about the article from our AI researcher chatbot
{'id': 'https://openalex.org/W2514280755', 'doi': 'https://doi.org/10.1088/0967-3334/37/9/r73', 'title': 'Exposure to light and darkness and its influence on physiological measures of intensive care unit patients—a systematic literature review', 'display_name': 'Exposure to light and darkness and its influence on physiological measures of intensive care unit patients—a systematic literature review', 'publication_year': 2016, 'publication_date': '2016-08-11', 'ids': {'openalex': 'https://openalex.org/W2514280755', 'doi': 'https://doi.org/10.1088/0967-3334/37/9/r73', 'mag': '2514280755', 'pmid': 'https://pubmed.ncbi.nlm.nih.gov/27510570'}, 'language': 'en', 'primary_location': {'is_oa': False, 'landing_page_url': 'https://doi.org/10.1088/0967-3334/37/9/r73', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S3164724', 'display_name': 'Physiological Measurement', 'issn_l': '0967-3334', 'issn': ['0967-3334', '1361-6579'], 'is_oa': False, 'is_in_doaj': False, 'is_core': True, 'host_organization': 'https://openalex.org/P4310320083', 'host_organization_name': 'IOP Publishing', 'host_organization_lineage': ['https://openalex.org/P4310311669', 'https://openalex.org/P4310320083'], 'host_organization_lineage_names': ['Institute of Physics', 'IOP Publishing'], 'type': 'journal'}, 'license': None, 'license_id': None, 'version': None, 'is_accepted': False, 'is_published': False}, 'type': 'review', '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/A5047147300', 'display_name': 'Björn Weiß', 'orcid': 'https://orcid.org/0000-0003-3139-595X'}, 'institutions': [{'id': 'https://openalex.org/I7877124', 'display_name': 'Charité - Universitätsmedizin Berlin', 'ror': 'https://ror.org/001w7jn25', 'country_code': 'DE', 'type': 'healthcare', 'lineage': ['https://openalex.org/I7877124']}], 'countries': ['DE'], 'is_corresponding': False, 'raw_author_name': 'B Weiss', 'raw_affiliation_strings': ['Department of Anaesthesiology and Intensive Care Medicine, Campus Charité Mitte and Campus Virchow-Klinikum, Charité—Universitaetsmedizin Berlin, Augustenburger Platz 1, 13353 Berlin, Germany'], 'affiliations': [{'raw_affiliation_string': 'Department of Anaesthesiology and Intensive Care Medicine, Campus Charité Mitte and Campus Virchow-Klinikum, Charité—Universitaetsmedizin Berlin, Augustenburger Platz 1, 13353 Berlin, Germany', 'institution_ids': ['https://openalex.org/I7877124']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5016186200', 'display_name': 'Claudia Spies', 'orcid': 'https://orcid.org/0000-0002-1062-0495'}, 'institutions': [{'id': 'https://openalex.org/I7877124', 'display_name': 'Charité - Universitätsmedizin Berlin', 'ror': 'https://ror.org/001w7jn25', 'country_code': 'DE', 'type': 'healthcare', 'lineage': ['https://openalex.org/I7877124']}], 'countries': ['DE'], 'is_corresponding': False, 'raw_author_name': 'C Spies', 'raw_affiliation_strings': ['Department of Anaesthesiology and Intensive Care Medicine, Campus Charité Mitte and Campus Virchow-Klinikum, Charité—Universitaetsmedizin Berlin, Augustenburger Platz 1, 13353 Berlin, Germany'], 'affiliations': [{'raw_affiliation_string': 'Department of Anaesthesiology and Intensive Care Medicine, Campus Charité Mitte and Campus Virchow-Klinikum, Charité—Universitaetsmedizin Berlin, Augustenburger Platz 1, 13353 Berlin, Germany', 'institution_ids': ['https://openalex.org/I7877124']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5062848958', 'display_name': 'Helmut Piazena', 'orcid': None}, 'institutions': [{'id': 'https://openalex.org/I7877124', 'display_name': 'Charité - Universitätsmedizin Berlin', 'ror': 'https://ror.org/001w7jn25', 'country_code': 'DE', 'type': 'healthcare', 'lineage': ['https://openalex.org/I7877124']}], 'countries': ['DE'], 'is_corresponding': False, 'raw_author_name': 'H Piazena', 'raw_affiliation_strings': ['Medical Photobiology Group Berlin, Charité—Universitaetsmedizin Berlin, Luisenstrasse 13, 10117 Berlin, Germany'], 'affiliations': [{'raw_affiliation_string': 'Medical Photobiology Group Berlin, Charité—Universitaetsmedizin Berlin, Luisenstrasse 13, 10117 Berlin, Germany', 'institution_ids': ['https://openalex.org/I7877124']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5058492122', 'display_name': 'Thomas Penzel', 'orcid': 'https://orcid.org/0000-0002-4304-0112'}, 'institutions': [{'id': 'https://openalex.org/I7877124', 'display_name': 'Charité - Universitätsmedizin Berlin', 'ror': 'https://ror.org/001w7jn25', 'country_code': 'DE', 'type': 'healthcare', 'lineage': ['https://openalex.org/I7877124']}], 'countries': ['DE'], 'is_corresponding': False, 'raw_author_name': 'T Penzel', 'raw_affiliation_strings': ['Department of Internal Medicine, Center of Sleep Medicine, Campus Charité Mitte, Charité—Universitaetsmedizin Berlin, Luisenstrasse 13, 10117 Berlin, Germany'], 'affiliations': [{'raw_affiliation_string': 'Department of Internal Medicine, Center of Sleep Medicine, Campus Charité Mitte, Charité—Universitaetsmedizin Berlin, Luisenstrasse 13, 10117 Berlin, Germany', 'institution_ids': ['https://openalex.org/I7877124']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5046780212', 'display_name': 'Ingo Fietze', 'orcid': 'https://orcid.org/0000-0001-5567-5206'}, 'institutions': [{'id': 'https://openalex.org/I7877124', 'display_name': 'Charité - Universitätsmedizin Berlin', 'ror': 'https://ror.org/001w7jn25', 'country_code': 'DE', 'type': 'healthcare', 'lineage': ['https://openalex.org/I7877124']}], 'countries': ['DE'], 'is_corresponding': False, 'raw_author_name': 'I Fietze', 'raw_affiliation_strings': ['Department of Internal Medicine, Center of Sleep Medicine, Campus Charité Mitte, Charité—Universitaetsmedizin Berlin, Luisenstrasse 13, 10117 Berlin, Germany'], 'affiliations': [{'raw_affiliation_string': 'Department of Internal Medicine, Center of Sleep Medicine, Campus Charité Mitte, Charité—Universitaetsmedizin Berlin, Luisenstrasse 13, 10117 Berlin, Germany', 'institution_ids': ['https://openalex.org/I7877124']}]}, {'author_position': 'last', 'author': {'id': 'https://openalex.org/A5021609195', 'display_name': 'Alawi Luetz', 'orcid': 'https://orcid.org/0000-0001-8814-1809'}, 'institutions': [{'id': 'https://openalex.org/I7877124', 'display_name': 'Charité - Universitätsmedizin Berlin', 'ror': 'https://ror.org/001w7jn25', 'country_code': 'DE', 'type': 'healthcare', 'lineage': ['https://openalex.org/I7877124']}], 'countries': ['DE'], 'is_corresponding': True, 'raw_author_name': 'A Luetz', 'raw_affiliation_strings': ['Department of Anaesthesiology and Intensive Care Medicine, Campus Charité Mitte and Campus Virchow-Klinikum, Charité—Universitaetsmedizin Berlin, Augustenburger Platz 1, 13353 Berlin, Germany'], 'affiliations': [{'raw_affiliation_string': 'Department of Anaesthesiology and Intensive Care Medicine, Campus Charité Mitte and Campus Virchow-Klinikum, Charité—Universitaetsmedizin Berlin, Augustenburger Platz 1, 13353 Berlin, Germany', 'institution_ids': ['https://openalex.org/I7877124']}]}], 'institution_assertions': [], 'countries_distinct_count': 1, 'institutions_distinct_count': 1, 'corresponding_author_ids': ['https://openalex.org/A5021609195'], 'corresponding_institution_ids': ['https://openalex.org/I7877124'], 'apc_list': None, 'apc_paid': None, 'fwci': 0.23, 'has_fulltext': True, 'fulltext_origin': 'ngrams', 'cited_by_count': 13, 'citation_normalized_percentile': {'value': 0.334165, 'is_in_top_1_percent': False, 'is_in_top_10_percent': False}, 'cited_by_percentile_year': {'min': 88, 'max': 89}, 'biblio': {'volume': '37', 'issue': '9', 'first_page': 'R73', 'last_page': 'R87'}, 'is_retracted': False, 'is_paratext': False, 'primary_topic': {'id': 'https://openalex.org/T10867', 'display_name': 'Intensive Care Unit Cognitive Disorders', 'score': 0.9996, 'subfield': {'id': 'https://openalex.org/subfields/2706', 'display_name': 'Critical Care and Intensive Care 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/T10867', 'display_name': 'Intensive Care Unit Cognitive Disorders', 'score': 0.9996, 'subfield': {'id': 'https://openalex.org/subfields/2706', 'display_name': 'Critical Care and Intensive Care 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/T10977', 'display_name': 'Optical Imaging and Spectroscopy Techniques', 'score': 0.9917, 'subfield': {'id': 'https://openalex.org/subfields/2741', 'display_name': 'Radiology, Nuclear Medicine and Imaging'}, '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/T10706', 'display_name': 'Traumatic Brain Injury and Neurovascular Disturbances', 'score': 0.985, 'subfield': {'id': 'https://openalex.org/subfields/2728', 'display_name': 'Neurology'}, '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/light-therapy', 'display_name': 'Light therapy', 'score': 0.45036268}, {'id': 'https://openalex.org/keywords/study-heterogeneity', 'display_name': 'Study heterogeneity', 'score': 0.44831023}], 'concepts': [{'id': 'https://openalex.org/C71924100', 'wikidata': 'https://www.wikidata.org/wiki/Q11190', 'display_name': 'Medicine', 'level': 0, 'score': 0.6805557}, {'id': 'https://openalex.org/C2779473830', 'wikidata': 'https://www.wikidata.org/wiki/Q1540899', 'display_name': 'MEDLINE', 'level': 2, 'score': 0.6697166}, {'id': 'https://openalex.org/C189708586', 'wikidata': 'https://www.wikidata.org/wiki/Q1504425', 'display_name': 'Systematic review', 'level': 3, 'score': 0.62475485}, {'id': 'https://openalex.org/C2776478404', 'wikidata': 'https://www.wikidata.org/wiki/Q1105187', 'display_name': 'Cochrane Library', 'level': 3, 'score': 0.60807437}, {'id': 'https://openalex.org/C27415008', 'wikidata': 'https://www.wikidata.org/wiki/Q7256382', 'display_name': 'Psychological intervention', 'level': 2, 'score': 0.51514494}, {'id': 'https://openalex.org/C2776376669', 'wikidata': 'https://www.wikidata.org/wiki/Q5094647', 'display_name': 'Intensive care unit', 'level': 2, 'score': 0.47237757}, {'id': 'https://openalex.org/C201903717', 'wikidata': 'https://www.wikidata.org/wiki/Q1778788', 'display_name': 'Cohort study', 'level': 2, 'score': 0.4576662}, {'id': 'https://openalex.org/C2780665704', 'wikidata': 'https://www.wikidata.org/wiki/Q959298', 'display_name': 'Intervention (counseling)', 'level': 2, 'score': 0.45752844}, {'id': 'https://openalex.org/C168563851', 'wikidata': 'https://www.wikidata.org/wiki/Q1436668', 'display_name': 'Randomized controlled trial', 'level': 2, 'score': 0.45589048}, {'id': 'https://openalex.org/C2776122933', 'wikidata': 'https://www.wikidata.org/wiki/Q243570', 'display_name': 'Light therapy', 'level': 3, 'score': 0.45036268}, {'id': 'https://openalex.org/C119423318', 'wikidata': 'https://www.wikidata.org/wiki/Q7628405', 'display_name': 'Study heterogeneity', 'level': 3, 'score': 0.44831023}, {'id': 'https://openalex.org/C535046627', 'wikidata': 'https://www.wikidata.org/wiki/Q30612', 'display_name': 'Clinical trial', 'level': 2, 'score': 0.41348478}, {'id': 'https://openalex.org/C177713679', 'wikidata': 'https://www.wikidata.org/wiki/Q679690', 'display_name': 'Intensive care medicine', 'level': 1, 'score': 0.39227113}, {'id': 'https://openalex.org/C118552586', 'wikidata': 'https://www.wikidata.org/wiki/Q7867', 'display_name': 'Psychiatry', 'level': 1, 'score': 0.23729223}, {'id': 'https://openalex.org/C126322002', 'wikidata': 'https://www.wikidata.org/wiki/Q11180', 'display_name': 'Internal medicine', 'level': 1, 'score': 0.16912347}, {'id': 'https://openalex.org/C2780733359', 'wikidata': 'https://www.wikidata.org/wiki/Q331769', 'display_name': 'Mood', 'level': 2, 'score': 0.100070715}, {'id': 'https://openalex.org/C17744445', 'wikidata': 'https://www.wikidata.org/wiki/Q36442', 'display_name': 'Political science', 'level': 0, 'score': 0.0}, {'id': 'https://openalex.org/C199539241', 'wikidata': 'https://www.wikidata.org/wiki/Q7748', 'display_name': 'Law', 'level': 1, 'score': 0.0}], 'mesh': [{'descriptor_ui': 'D003624', 'descriptor_name': 'Darkness', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': True}, {'descriptor_ui': 'D007362', 'descriptor_name': 'Intensive Care Units', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': True}, {'descriptor_ui': 'D010829', 'descriptor_name': 'Physiological Phenomena', 'qualifier_ui': 'Q000528', 'qualifier_name': 'radiation effects', 'is_major_topic': True}, {'descriptor_ui': 'D006801', 'descriptor_name': 'Humans', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D010829', 'descriptor_name': 'Physiological Phenomena', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}], 'locations_count': 2, 'locations': [{'is_oa': False, 'landing_page_url': 'https://doi.org/10.1088/0967-3334/37/9/r73', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S3164724', 'display_name': 'Physiological Measurement', 'issn_l': '0967-3334', 'issn': ['0967-3334', '1361-6579'], 'is_oa': False, 'is_in_doaj': False, 'is_core': True, 'host_organization': 'https://openalex.org/P4310320083', 'host_organization_name': 'IOP Publishing', 'host_organization_lineage': ['https://openalex.org/P4310311669', 'https://openalex.org/P4310320083'], 'host_organization_lineage_names': ['Institute of Physics', 'IOP Publishing'], '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/27510570', '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': [{'display_name': 'Good health and well-being', 'id': 'https://metadata.un.org/sdg/3', 'score': 0.43}], 'grants': [], 'datasets': [], 'versions': [], 'referenced_works_count': 47, 'referenced_works': ['https://openalex.org/W131129535', 'https://openalex.org/W187135256', 'https://openalex.org/W1913451808', 'https://openalex.org/W1967212159', 'https://openalex.org/W1971353746', 'https://openalex.org/W1972722328', 'https://openalex.org/W1978080885', 'https://openalex.org/W1983987795', 'https://openalex.org/W1995968154', 'https://openalex.org/W1995972463', 'https://openalex.org/W2010445256', 'https://openalex.org/W2012677452', 'https://openalex.org/W2014238635', 'https://openalex.org/W2019233831', 'https://openalex.org/W2019379984', 'https://openalex.org/W2022880994', 'https://openalex.org/W2037614372', 'https://openalex.org/W2039334551', 'https://openalex.org/W2039344353', 'https://openalex.org/W2042017512', 'https://openalex.org/W2042181845', 'https://openalex.org/W2043842765', 'https://openalex.org/W2047942951', 'https://openalex.org/W2047947957', 'https://openalex.org/W2056126420', 'https://openalex.org/W2069297269', 'https://openalex.org/W2071709287', 'https://openalex.org/W2086591138', 'https://openalex.org/W2090077750', 'https://openalex.org/W2090568202', 'https://openalex.org/W2095527556', 'https://openalex.org/W2108485082', 'https://openalex.org/W2115908598', 'https://openalex.org/W2118034166', 'https://openalex.org/W2133626635', 'https://openalex.org/W2148949075', 'https://openalex.org/W2151161608', 'https://openalex.org/W2153750384', 'https://openalex.org/W2156167795', 'https://openalex.org/W2160861856', 'https://openalex.org/W2162598204', 'https://openalex.org/W2162830171', 'https://openalex.org/W2166124147', 'https://openalex.org/W2171191455', 'https://openalex.org/W2259418153', 'https://openalex.org/W2291854291', 'https://openalex.org/W2468972555'], 'related_works': ['https://openalex.org/W4386190142', 'https://openalex.org/W3208928737', 'https://openalex.org/W3145339076', 'https://openalex.org/W2909503457', 'https://openalex.org/W2387779728', 'https://openalex.org/W2070311887', 'https://openalex.org/W1987742652', 'https://openalex.org/W1965897301', 'https://openalex.org/W1911234488', 'https://openalex.org/W125306840'], 'abstract_inverted_index': {'Sleep-wake': [0], 'patterns': [1], 'are': [2, 245], 'often': [3], 'significantly': [4], 'disturbed': [5], 'in': [6, 19, 28, 52, 58, 202], 'critically': [7], 'ill': [8], 'patients.': [9, 21, 89], 'This': [10], 'disturbance': [11], 'is': [12], 'closely': [13], 'linked': [14], 'to': [15, 49, 67, 76, 252], 'secondary': [16], 'brain': [17], 'dysfunctions': [18], 'these': [20, 171, 244], 'Sedation': [22], 'not': [23], 'only': [24], 'impairs': [25], 'sleep': [26], 'quality': [27], 'ICU': [29, 88], 'patients': [30, 189], 'but': [31], 'also': [32], 'has': [33, 46], 'detrimental': [34], 'effects': [35], 'on': [36, 80], 'short-': [37], 'and': [38, 54, 83, 111, 149, 167, 207, 224], 'long-term': [39], 'outcome.': [40], 'In': [41], 'other': [42], 'contexts,': [43], 'light': [44, 77, 226], 'therapy': [45], 'been': [47], 'proven': [48], 'be': [50], 'effective': [51], 'maintaining': [53], 'resynchronizing': [55], 'circadian': [56], 'rhythmicity': [57], 'humans.': [59], 'The': [60, 107, 115, 210, 229], 'objective': [61, 240], 'of': [62, 74, 86, 103, 121, 125, 158, 170, 204, 218, 256], 'this': [63, 253], 'systematic': [64, 156], 'review': [65, 157], 'was': [66, 195], 'analyse': [68], 'studies': [69, 172, 201, 234], 'that': [70, 152, 232], 'investigated': [71], 'the': [72, 159, 200, 222, 225], 'effect': [73], 'exposure': [75], 'or': [78], 'darkness': [79], 'physiological': [81], 'measures': [82], 'clinical': [84], 'outcomes': [85], 'adult': [87], 'Studies': [90], 'were': [91, 127, 138, 163, 190, 215], 'systematically': [92], 'identified': [93, 118], 'by': [94], 'searching': [95], 'electronic': [96], 'bibliographic': [97], 'databases': [98], '(The': [99], 'Cochrane': [100, 108], 'Central': [101], 'Register': [102], 'Controlled': [104], 'Trials': [105], '(CENTRAL,': [106], 'Library,': [109], '2002)': [110], 'MEDLINE': [112], 'via': [113], 'PubMed).': [114], 'search': [116], 'algorithm': [117], 'a': [119, 154, 181, 196, 216], 'total': [120], '156': [122], 'articles,': [123], '10': [124, 133], 'which': [126], 'taken': [128], 'into': [129], 'final': [130], 'review.': [131], 'These': [132], 'selected': [134], 'articles': [135], 'included': [136, 153], '3': [137], 'monocentric': [139], 'RCTs,': [140], 'five': [141], 'prospective': [142], 'cohort': [143, 147], 'studies,': [144, 187], 'one': [145, 150], 'retrospective': [146], 'study,': [148], 'manuscript': [151], 'partial': [155], 'literature.': [160], 'Included': [161], 'trials': [162, 179], 'published': [164], 'between': [165], '2007': [166], '2015.': [168], 'Five': [169], 'used': [173, 180], 'multiple': [174], 'intervention': [175, 183, 206], 'approaches': [176], 'while': [177], 'four': [178], 'single': [182], 'approach.': [184], 'Among': [185], 'all': [186], '1,278': [188], 'analysed': [191], '(489': [192], 'prospectively).': [193], 'There': [194], 'high': [197], 'heterogeneity': [198], 'among': [199], 'terms': [203], 'applied': [205], 'outcome': [208, 241], 'measures.': [209], 'most': [211], 'frequent': [212], 'methodological': [213], 'limitations': [214], 'lack': [217], 'precise': [219], 'definitions': [220], 'regarding': [221], 'illuminance': [223], 'spectrum': [227], 'utilised.': [228], 'analyses': [230], 'indicate': [231], 'further': [233], 'including': [235], 'clearly': [236], 'defined': [237], 'interventions': [238], 'with': [239], 'measures,': [242], 'as': [243], 'currently': [246], 'lacking,': [247], 'would': [248], 'add': [249], 'significant': [250], 'knowledge': [251], 'new': [254], 'field': [255], 'research.': [257]}, 'cited_by_api_url': 'https://api.openalex.org/works?filter=cites:W2514280755', 'counts_by_year': [{'year': 2023, 'cited_by_count': 2}, {'year': 2022, 'cited_by_count': 3}, {'year': 2021, 'cited_by_count': 3}, {'year': 2020, 'cited_by_count': 1}, {'year': 2019, 'cited_by_count': 3}, {'year': 2017, 'cited_by_count': 1}], 'updated_date': '2025-01-04T14:53:15.186178', 'created_date': '2016-09-16'}