{"id":"https://openalex.org/W2014928271","doi":"https://doi.org/10.4103/0971-4065.59336","title":"Outcomes of two different polytetrafluoroethylene graft sizes in patients undergoing maintenance hemodialysis","display_name":"Outcomes of two different polytetrafluoroethylene graft sizes in patients undergoing maintenance hemodialysis","publication_year":2009,"publication_date":"2009-01-01","ids":{"openalex":"https://openalex.org/W2014928271","doi":"https://doi.org/10.4103/0971-4065.59336","mag":"2014928271","pmid":"https://pubmed.ncbi.nlm.nih.gov/20535250","pmcid":"https://www.ncbi.nlm.nih.gov/pmc/articles/2875704"},"language":"en","primary_location":{"id":"doi:10.4103/0971-4065.59336","doi":"https://doi.org/10.4103/0971-4065.59336","is_oa":true,"landing_page_url":"https://doi.org/10.4103/0971-4065.59336","pdf_url":null,"source":{"id":"https://openalex.org/S65200941","display_name":"Indian Journal of Nephrology","issn_l":"0971-4065","issn":["0971-4065","1998-3662"],"is_oa":true,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","jufo-1","norway-1","poland-40","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":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Indian Journal of Nephrology","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["crossref","pubmed"],"open_access":{"is_oa":true,"oa_status":"diamond","oa_url":"https://doi.org/10.4103/0971-4065.59336","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5088981559","display_name":"Suzan Sanavi","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I119025939","display_name":"Shahed University","ror":"https://ror.org/01e8ff003","country_code":"IR","type":"education","lineage":["https://openalex.org/I119025939"]}],"countries":["IR"],"is_corresponding":true,"raw_author_name":"S Sanavi","raw_affiliation_strings":["Department of Nephrology, Faculty of Medicine, Shahed University, Mustafa Khomeini Hospital, Tehran, Iran"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Nephrology, Faculty of Medicine, Shahed University, Mustafa Khomeini Hospital, Tehran, Iran","institution_ids":["https://openalex.org/I119025939"]}]},{"author_position":"middle","author":{"id":null,"display_name":"R Afshar","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I119025939","display_name":"Shahed University","ror":"https://ror.org/01e8ff003","country_code":"IR","type":"education","lineage":["https://openalex.org/I119025939"]}],"countries":["IR"],"is_corresponding":false,"raw_author_name":"R Afshar","raw_affiliation_strings":["Department of Nephrology, Faculty of Medicine, Shahed University, Mustafa Khomeini Hospital, Tehran, Iran"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Nephrology, Faculty of Medicine, Shahed University, Mustafa Khomeini Hospital, Tehran, Iran","institution_ids":["https://openalex.org/I119025939"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5009202592","display_name":"Siamak Afshin\u2010Majd","orcid":"https://orcid.org/0000-0002-3530-4632","observed_orcids":["https://orcid.org/0000-0002-3530-4632"]},"institutions":[{"id":"https://openalex.org/I119025939","display_name":"Shahed University","ror":"https://ror.org/01e8ff003","country_code":"IR","type":"education","lineage":["https://openalex.org/I119025939"]}],"countries":["IR"],"is_corresponding":false,"raw_author_name":"S Afshin-Majd","raw_affiliation_strings":["Department of Internal Medicine, Faculty of Medicine, Shahed University, Mustafa Khomeini Hospital, Tehran, Iran"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Internal Medicine, Faculty of Medicine, Shahed University, Mustafa Khomeini Hospital, Tehran, Iran","institution_ids":["https://openalex.org/I119025939"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5048888385","display_name":"Ali Davati","orcid":"https://orcid.org/0000-0001-6155-2392","observed_orcids":["https://orcid.org/0000-0001-6155-2392"]},"institutions":[{"id":"https://openalex.org/I119025939","display_name":"Shahed University","ror":"https://ror.org/01e8ff003","country_code":"IR","type":"education","lineage":["https://openalex.org/I119025939"]}],"countries":["IR"],"is_corresponding":false,"raw_author_name":"A Davati","raw_affiliation_strings":["Department of Social Medicine, Faculty of Medicine, Shahed University, Mustafa Khomeini Hospital, Tehran, Iran"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Social Medicine, Faculty of Medicine, Shahed University, Mustafa Khomeini Hospital, Tehran, Iran","institution_ids":["https://openalex.org/I119025939"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5088981559"],"corresponding_institution_ids":["https://openalex.org/I119025939"],"apc_list":null,"apc_paid":null,"fwci":0.5208,"has_fulltext":true,"cited_by_count":6,"citation_normalized_percentile":{"value":0.72345622,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":88,"max":95},"biblio":{"volume":"19","issue":"4","first_page":"149","last_page":"149"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10641","display_name":"Central Venous Catheters and Hemodialysis","score":0.9994999766349792,"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/T10641","display_name":"Central Venous Catheters and Hemodialysis","score":0.9994999766349792,"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/T11554","display_name":"Vascular Procedures and Complications","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"}},{"id":"https://openalex.org/T10516","display_name":"Parathyroid Disorders and Treatments","score":0.0,"subfield":{"id":"https://openalex.org/subfields/2727","display_name":"Nephrology"},"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/ptfe-graft","display_name":"polytetrafluoroethylene graft","score":0.9169999957084656},{"id":"https://openalex.org/keywords/graft-size","display_name":"graft size","score":0.6650000214576721},{"id":"https://openalex.org/keywords/hemodialysis-vascular-access","display_name":"hemodialysis vascular access","score":0.8880000114440918},{"id":"https://openalex.org/keywords/prosthetic-conduit","display_name":"prosthetic conduit","score":0.621999979019165},{"id":"https://openalex.org/keywords/graft-patency","display_name":"graft patency","score":0.8650000095367432},{"id":"https://openalex.org/keywords/graft-complications","display_name":"graft complications","score":0.9359999895095825},{"id":"https://openalex.org/keywords/end-stage-renal-disease","display_name":"end-stage renal disease","score":0.8309999704360962},{"id":"https://openalex.org/keywords/hypertension","display_name":"hypertension","score":0.9409999847412109},{"id":"https://openalex.org/keywords/diabetes-mellitus","display_name":"diabetes mellitus","score":0.8349999785423279}],"concepts":[{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.9723019599914551},{"id":"https://openalex.org/C81182388","wikidata":"https://www.wikidata.org/wiki/Q353963","display_name":"Complication","level":2,"score":0.7299200296401978},{"id":"https://openalex.org/C141071460","wikidata":"https://www.wikidata.org/wiki/Q40821","display_name":"Surgery","level":1,"score":0.6861772537231445},{"id":"https://openalex.org/C2778063415","wikidata":"https://www.wikidata.org/wiki/Q391744","display_name":"Hemodialysis","level":2,"score":0.6583583354949951},{"id":"https://openalex.org/C555293320","wikidata":"https://www.wikidata.org/wiki/Q12206","display_name":"Diabetes mellitus","level":2,"score":0.5660040378570557},{"id":"https://openalex.org/C2780214079","wikidata":"https://www.wikidata.org/wiki/Q228537","display_name":"Forearm","level":2,"score":0.51618891954422},{"id":"https://openalex.org/C2908647359","wikidata":"https://www.wikidata.org/wiki/Q2625603","display_name":"Population","level":2,"score":0.44089144468307495},{"id":"https://openalex.org/C2780557906","wikidata":"https://www.wikidata.org/wiki/Q143252","display_name":"Polytetrafluoroethylene","level":2,"score":0.4364660382270813},{"id":"https://openalex.org/C2776341189","wikidata":"https://www.wikidata.org/wiki/Q189470","display_name":"Fistula","level":2,"score":0.4247794449329376},{"id":"https://openalex.org/C99454951","wikidata":"https://www.wikidata.org/wiki/Q932068","display_name":"Environmental health","level":1,"score":0.0},{"id":"https://openalex.org/C134018914","wikidata":"https://www.wikidata.org/wiki/Q162606","display_name":"Endocrinology","level":1,"score":0.0},{"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/C191897082","wikidata":"https://www.wikidata.org/wiki/Q11467","display_name":"Metallurgy","level":1,"score":0.0}],"mesh":[],"locations_count":4,"locations":[{"id":"doi:10.4103/0971-4065.59336","doi":"https://doi.org/10.4103/0971-4065.59336","is_oa":true,"landing_page_url":"https://doi.org/10.4103/0971-4065.59336","pdf_url":null,"source":{"id":"https://openalex.org/S65200941","display_name":"Indian Journal of Nephrology","issn_l":"0971-4065","issn":["0971-4065","1998-3662"],"is_oa":true,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","jufo-1","norway-1","poland-40","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":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Indian Journal of Nephrology","raw_type":"journal-article"},{"id":"pmh:oai:pubmedcentral.nih.gov:2875704","doi":null,"is_oa":true,"landing_page_url":"https://pmc.ncbi.nlm.nih.gov/articles/PMC2875704/","pdf_url":"https://pmc.ncbi.nlm.nih.gov/articles/PMC2875704/pdf/","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","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Indian J Nephrol","raw_type":"Text"},{"id":"pmh:oai:europepmc.org:1921088","doi":null,"is_oa":true,"landing_page_url":"https://www.ncbi.nlm.nih.gov/pmc/articles/2875704","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","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":null,"raw_type":"Text"},{"id":"pmid:20535250","doi":null,"is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/20535250","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":"Indian journal of nephrology","raw_type":"Journal Article"}],"best_oa_location":{"id":"doi:10.4103/0971-4065.59336","doi":"https://doi.org/10.4103/0971-4065.59336","is_oa":true,"landing_page_url":"https://doi.org/10.4103/0971-4065.59336","pdf_url":null,"source":{"id":"https://openalex.org/S65200941","display_name":"Indian Journal of Nephrology","issn_l":"0971-4065","issn":["0971-4065","1998-3662"],"is_oa":true,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","jufo-1","norway-1","poland-40","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":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Indian Journal of Nephrology","raw_type":"journal-article"},"sustainable_development_goals":[{"score":1.0,"display_name":"Good health and well-being","id":"https://metadata.un.org/sdg/3"}],"study_designs":[{"display_name":"Clinical Trial","id":"https://openalex.org/study-designs/clinical-trial"}],"awards":[],"funders":[],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W2014928271.pdf","grobid_xml":"https://content.openalex.org/works/W2014928271.grobid-xml"},"referenced_works_count":20,"referenced_works":["https://openalex.org/W149618705","https://openalex.org/W1532651230","https://openalex.org/W1553765378","https://openalex.org/W1582435238","https://openalex.org/W1977909420","https://openalex.org/W1986447724","https://openalex.org/W1986609270","https://openalex.org/W1989542870","https://openalex.org/W1995483189","https://openalex.org/W2009576430","https://openalex.org/W2017049278","https://openalex.org/W2017409196","https://openalex.org/W2038570295","https://openalex.org/W2039346514","https://openalex.org/W2082726050","https://openalex.org/W2089218573","https://openalex.org/W2147288682","https://openalex.org/W2182414347","https://openalex.org/W2402716355","https://openalex.org/W2415499472"],"related_works":["https://openalex.org/W2150991928","https://openalex.org/W2383960783","https://openalex.org/W1582456634","https://openalex.org/W4400383589","https://openalex.org/W2419370330","https://openalex.org/W2067750152","https://openalex.org/W2147288682","https://openalex.org/W2413412791","https://openalex.org/W2268016494","https://openalex.org/W2017409196"],"abstract_inverted_index":{"Arteriovenous":[0],"access":[1,65],"creation":[2],"is":[3,262],"mandatory":[4],"for":[5,63,79,85,191],"maintenance":[6],"hemodialysis.":[7],"If":[8],"native":[9],"fistula":[10],"placement":[11],"was":[12,31,164],"not":[13,228,256],"possible":[14],"or":[15],"failed,":[16],"a":[17,92,165],"prosthetic":[18],"conduit":[19],"would":[20],"be":[21,244],"the":[22,47,97,218],"best":[23],"substitute.":[24],"The":[25,53,155],"purpose":[26],"of":[27,35,39,57,72,107,114,128,145,223,248],"this":[28],"prospective":[29],"study":[30,54],"to":[32,69],"compare":[33],"outcomes":[34],"two":[36,224],"different":[37,258],"sizes":[38,134,254],"polytetrafluoroethylene":[40],"(PTFE)":[41],"grafts,":[42,217],"in":[43,51,138,150,168,202,214,238],"hemodialysis":[44],"patients,":[45],"at":[46],"Mustafa":[48],"Khomeini":[49],"Hospital":[50],"Iran.":[52],"population":[55],"consisted":[56],"586":[58],"end-stage":[59],"renal":[60],"disease":[61],"referrals":[62],"vascular":[64],"construction":[66],"(January":[67],"2003":[68],"January":[70],"2007)":[71],"which":[73,242],"eventually":[74],"102":[75,108],"subjects":[76],"were":[77,83,89,121,135,159,187],"candidates":[78,111],"PTFE":[80,109,126],"graft":[81,225,239],"who":[82],"followed":[84],"one":[86],"year.":[87],"Data":[88],"collected":[90],"by":[91],"questionnaire":[93],"and":[94,103,123,131,140,148,153,161,174,189,194,198,205,220,232,251,268],"analyzed":[95],"using":[96],"SPSS,":[98],"life":[99],"table,":[100],"Kaplan-":[101],"Meier":[102],"Log-Rank":[104],"tests.":[105],"Out":[106],"implantation":[110],"(mean":[112],"value":[113],"age":[115],"51.7":[116],"+/-":[117],"17.06":[118],"yrs),":[119],"56%":[120],"male":[122],"44%":[124],"female.":[125],"grafts":[127,197,247],"8":[129,195,215,252],"mm":[130,133,193,196,216,250,253],"6":[132,192,249],"randomly":[136],"placed":[137],"57":[139],"45":[141],"subjects,":[142],"with":[143,173,204,264],"distribution":[144],"83%,":[146],"12%":[147],"5%":[149],"arm,":[151],"forearm":[152],"thigh.":[154],"most":[156],"underlying":[157,176,207],"diseases":[158,177,208],"hypertension":[160],"diabetes.":[162],"There":[163],"significant":[166,257],"difference":[167],"complication":[169,212,221,240],"rates":[170,186,222],"between":[171],"patients":[172,203],"without":[175,206],"[42%":[178],"vs.":[179,200],"10%":[180],"(P":[181],"=":[182],"0.03)].":[183],"One-year":[184],"patency":[185,219],"42.2%":[188],"36.5%":[190],"28.2%":[199],"52%":[201],"respectively.":[209],"Despite":[210],"more":[211],"frequency":[213],"groups":[226],"did":[227],"significantly":[229],"differ.":[230],"Hypertension":[231],"diabetes":[233],"could":[234],"have":[235,255],"contributory":[236],"roles":[237],"rate,":[241],"may":[243],"preventable.":[245],"Non-tapered":[246],"outcomes.":[259],"Further":[260],"research":[261],"recommended":[263],"larger":[265],"sample":[266],"size":[267],"longer":[269],"duration.":[270]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":1},{"year":2019,"cited_by_count":1},{"year":2018,"cited_by_count":1},{"year":2012,"cited_by_count":2}],"updated_date":"2026-11-12T12:28:57.059296","created_date":"2016-06-24T00:00:00"}