{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,22]],"date-time":"2026-09-22T05:24:58Z","timestamp":1790054698943,"version":"4.0.1"},"reference-count":32,"publisher":"Elsevier BV","issue":"5","license":[{"start":{"date-parts":[[2021,9,1]],"date-time":"2021-09-01T00:00:00Z","timestamp":1630454400000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/tdm\/userlicense\/1.0\/"},{"start":{"date-parts":[[2021,9,1]],"date-time":"2021-09-01T00:00:00Z","timestamp":1630454400000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/legal\/tdmrep-license"},{"start":{"date-parts":[[2025,2,14]],"date-time":"2025-02-14T00:00:00Z","timestamp":1739491200000},"content-version":"vor","delay-in-days":1262,"URL":"http:\/\/www.elsevier.com\/open-access\/userlicense\/1.0\/"}],"funder":[{"DOI":"10.13039\/501100009827","name":"Alexandria University","doi-asserted-by":"publisher","id":[{"id":"10.13039\/501100009827","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["clinicalkey.com","clinicalkey.com.au","clinicalkey.es","clinicalkey.fr","clinicalkey.jp","jvsvenous.com","elsevier.com","sciencedirect.com"],"crossmark-restriction":true},"short-container-title":["Journal of Vascular Surgery: Venous and Lymphatic Disorders"],"published-print":{"date-parts":[[2021,9]]},"DOI":"10.1016\/j.jvsv.2021.01.005","type":"journal-article","created":{"date-parts":[[2021,2,3]],"date-time":"2021-02-03T10:42:53Z","timestamp":1612348973000},"page":"1248-1256.e2","update-policy":"https:\/\/doi.org\/10.1016\/elsevier_cm_policy","source":"Crossref","is-referenced-by-count":20,"title":["Clinical and hemodynamic outcome of morbidly obese patients with severe chronic venous insufficiency with and without bariatric surgery"],"prefix":"10.1016","volume":"9","author":[{"given":"Wael","family":"Shaalan","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ali","family":"El Emam","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Hassan","family":"Lotfy","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ahmad","family":"Naga","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"78","reference":[{"key":"10.1016\/j.jvsv.2021.01.005_bib1","doi-asserted-by":"crossref","first-page":"1855","DOI":"10.1136\/bmj.290.6485.1855","article-title":"Chronic ulceration of the leg: extent of the problem and provision of care","volume":"290","author":"Callam","year":"1995","journal-title":"BMJ"},{"key":"10.1016\/j.jvsv.2021.01.005_bib2","doi-asserted-by":"crossref","first-page":"505","DOI":"10.1177\/153857440503900607","article-title":"Iliofemoral venous pressure correlates with intraabdominal pressure in morbidly obese patients","volume":"39","author":"Arfvidsson","year":"2005","journal-title":"Vasc Endovascular Surg"},{"key":"10.1016\/j.jvsv.2021.01.005_bib3","first-page":"143","article-title":"Prevalence of venous disease: a community study in West London","volume":"158","author":"Franks","year":"1992","journal-title":"Eur J Surg"},{"key":"10.1016\/j.jvsv.2021.01.005_bib4","doi-asserted-by":"crossref","first-page":"911","DOI":"10.1067\/mva.2003.202","article-title":"Regarding \u201cevaluating outcomes in chronic venous disorders of the leg: development of a scientifically rigorous, patient-reported measure of symptoms and quality of life","volume":"37","author":"Padberg","year":"2003","journal-title":"J\u00a0Vasc Surg"},{"key":"10.1016\/j.jvsv.2021.01.005_bib5","doi-asserted-by":"crossref","first-page":"271","DOI":"10.1177\/153857440203600404","article-title":"The influence of obesity on chronic venous disease","volume":"36","author":"Danielsson","year":"2002","journal-title":"Vasc Endovascular Surg"},{"key":"10.1016\/j.jvsv.2021.01.005_bib6","doi-asserted-by":"crossref","first-page":"2332","DOI":"10.1007\/s00464-020-07555-y","article-title":"Clinical practice guidelines of the European Association for Endoscopic Surgery (EAES) on bariatric surgery: update 2020 endorsed by IFSO-EC, EASO and ESPCOP","volume":"34","author":"Di Lorenzo","year":"2020","journal-title":"Surg Endosc"},{"key":"10.1016\/j.jvsv.2021.01.005_bib7","doi-asserted-by":"crossref","first-page":"159","DOI":"10.1016\/j.soard.2012.12.010","volume":"9","author":"Mechanick","year":"2013","journal-title":"Surgery Obes Relat Dis"},{"key":"10.1016\/j.jvsv.2021.01.005_bib9","doi-asserted-by":"crossref","first-page":"135","DOI":"10.4172\/2161-1076.1000135","article-title":"Treatment of morbid obesity","volume":"3","author":"Habib","year":"2013","journal-title":"Surg Curr Res"},{"key":"10.1016\/j.jvsv.2021.01.005_bib10","doi-asserted-by":"crossref","first-page":"342","DOI":"10.1016\/j.jvsv.2019.12.075","article-title":"The 2020 update of the CEAP classification system and reporting standards","volume":"8","author":"Lurie","year":"2020","journal-title":"J\u00a0Vasc Surg Venous Lymphat Dis"},{"key":"10.1016\/j.jvsv.2021.01.005_bib11","first-page":"158a","article-title":"Assessment of validity and reproducibility of a clinical scale for the post-thrombotic syndrome","volume":"24","author":"Villalta","year":"1994","journal-title":"Haemostasis"},{"key":"10.1016\/j.jvsv.2021.01.005_bib12","doi-asserted-by":"crossref","first-page":"517","DOI":"10.1016\/S0741-5214(97)70045-4","article-title":"Recommended standards for reports dealing with lower extremity ischemia: revised version","volume":"26","author":"Rutherford","year":"1997","journal-title":"J\u00a0Vasc Surg"},{"key":"10.1016\/j.jvsv.2021.01.005_bib13","author":"World Health Organization"},{"key":"10.1016\/j.jvsv.2021.01.005_bib14","doi-asserted-by":"crossref","first-page":"16","DOI":"10.1197\/jamia.M1749","article-title":"The use and interpretation of quasi-experimental studies in medical informatics","volume":"13","author":"Harris","year":"2006","journal-title":"J\u00a0Am Med Inform Assoc"},{"key":"10.1016\/j.jvsv.2021.01.005_bib15","doi-asserted-by":"crossref","first-page":"118","DOI":"10.1097\/01.sla.0000103067.10695.74","article-title":"Venous claudication in iliofemoral thrombosis: long-term effects on venous hemodynamics, clinical status, and quality of life","volume":"239","author":"Delis","year":"2004","journal-title":"Ann Surg"},{"key":"10.1016\/j.jvsv.2021.01.005_bib16","doi-asserted-by":"crossref","first-page":"642","DOI":"10.1067\/mva.2000.104103","article-title":"Measuring the quality of life in patients with venous ulcers","volume":"31","author":"Smith","year":"2000","journal-title":"J\u00a0Vasc Surg"},{"key":"10.1016\/j.jvsv.2021.01.005_bib17","doi-asserted-by":"crossref","first-page":"1307","DOI":"10.1067\/mva.2000.107094","article-title":"American Venous Forum\u2019s Ad Hoc Committee on Venous Outcomes Assessment: venous severity scoring: an adjunct to venous outcome assessment","volume":"31","author":"Rutherford","year":"2000","journal-title":"J\u00a0Vasc Surg"},{"key":"10.1016\/j.jvsv.2021.01.005_bib18","series-title":"Venous Disease Simplified","article-title":"Quality of life and outcome assessment in patients with varicose veins","author":"Davies","year":"2006"},{"key":"10.1016\/j.jvsv.2021.01.005_bib19","doi-asserted-by":"crossref","first-page":"1248","DOI":"10.1016\/j.jvs.2004.09.027","article-title":"American Venous Forum International Ad Hoc Committee for Revision of the CEAP Classification: revision of the CEAP classification for chronic venous disorders: consensus statement","volume":"40","author":"Eklof","year":"2004","journal-title":"J\u00a0Vasc Surg"},{"key":"10.1016\/j.jvsv.2021.01.005_bib20","doi-asserted-by":"crossref","first-page":"1050","DOI":"10.1067\/mva.2001.113496","article-title":"Common femoral vein dimensions and hemodynamics including Valsalva response as a function of sex, age, and ethnicity in a population study","volume":"33","author":"Fronek","year":"2001","journal-title":"J\u00a0Vasc Surg"},{"key":"10.1016\/j.jvsv.2021.01.005_bib21","doi-asserted-by":"crossref","first-page":"941","DOI":"10.1160\/TH03-12-0754","article-title":"Lower limb venous haemodynamic impairment on dependency: quantification and implications for the \u201ceconomy class\u201d position","volume":"91","author":"Delis","year":"2004","journal-title":"Thromb Haemost"},{"key":"10.1016\/j.jvsv.2021.01.005_bib22","doi-asserted-by":"crossref","first-page":"773","DOI":"10.1067\/mva.2001.112707","article-title":"In situ hemodynamics of perforating veins in chronic venous insufficiency","volume":"33","author":"Delis","year":"2001","journal-title":"J\u00a0Vasc Surg"},{"key":"10.1016\/j.jvsv.2021.01.005_bib23","doi-asserted-by":"crossref","first-page":"1003","DOI":"10.1160\/TH04-04-0233","article-title":"Effects of epidural-and-general anesthesia combined versus general anesthesia alone on the venous hemodynamics of the lower limb: a randomized study","volume":"92","author":"Delis","year":"2004","journal-title":"Thromb Haemost"},{"key":"10.1016\/j.jvsv.2021.01.005_bib24","doi-asserted-by":"crossref","first-page":"276","DOI":"10.11613\/BM.2012.031","article-title":"Interrater reliability: the Kappa statistics","volume":"22","author":"McHugh","year":"2012","journal-title":"Biochem Med (Zagreb)"},{"key":"10.1016\/j.jvsv.2021.01.005_bib25","doi-asserted-by":"crossref","first-page":"1037","DOI":"10.1007\/s00105-003-0616-0","article-title":"Epidemiology of chronic venous diseases","volume":"54","author":"Pannier-Fischer","year":"2003","journal-title":"Hautarzt"},{"key":"10.1016\/j.jvsv.2021.01.005_bib26","doi-asserted-by":"crossref","first-page":"71","DOI":"10.1046\/j.1365-2796.1997.89104000.x","article-title":"Intra-abdominal pressure, sagittal abdominal diameter and obesity comorbidity","volume":"241","author":"Sugerman","year":"1997","journal-title":"J\u00a0Intern Med"},{"key":"10.1016\/j.jvsv.2021.01.005_bib27","doi-asserted-by":"crossref","first-page":"79","DOI":"10.1067\/mva.2003.61","article-title":"Does severe venous insufficiency have a different etiology in the morbidly obese? Is it venous?","volume":"37","author":"Padberg","year":"2003","journal-title":"J\u00a0Vasc Surg"},{"key":"10.1016\/j.jvsv.2021.01.005_bib28","doi-asserted-by":"crossref","first-page":"488","DOI":"10.1056\/NEJMra055289","article-title":"Chronic venous disease","volume":"355","author":"Bergan","year":"2006","journal-title":"N\u00a0Engl J Med"},{"key":"10.1016\/j.jvsv.2021.01.005_bib29","doi-asserted-by":"crossref","first-page":"3415","DOI":"10.1001\/archinte.160.22.3415","article-title":"An epidemiologic study of risk factors for deep vein thrombosis in medical outpatients: the Sirius study","volume":"160","author":"Samama","year":"2000","journal-title":"Arch Intern Med"},{"key":"10.1016\/j.jvsv.2021.01.005_bib30","doi-asserted-by":"crossref","first-page":"493","DOI":"10.1055\/s-0037-1613379","article-title":"Obesity: risk of venous thrombosis and the interaction with coagulation factor levels and oral contraceptive use","volume":"89","author":"Abdollahi","year":"2003","journal-title":"Thromb Haemost"},{"key":"10.1016\/j.jvsv.2021.01.005_bib31","doi-asserted-by":"crossref","first-page":"978","DOI":"10.1016\/j.amjmed.2005.03.012","article-title":"Obesity as a risk factor in venous thromboembolism","volume":"118","author":"Stein","year":"2005","journal-title":"Am J Med"},{"key":"10.1016\/j.jvsv.2021.01.005_bib32","doi-asserted-by":"crossref","first-page":"305","DOI":"10.1055\/s-0037-1613447","article-title":"Body mass index is associated with the development of the post-thrombotic syndrome","volume":"89","author":"Ageno","year":"2003","journal-title":"Thromb Haemost"},{"key":"10.1016\/j.jvsv.2021.01.005_bib33","doi-asserted-by":"crossref","first-page":"1678","DOI":"10.1001\/archinte.168.15.1678","article-title":"Overweight, obesity, and the risk of recurrent venous thromboembolism","volume":"168","author":"Eichinger","year":"2008","journal-title":"Arch Intern Med"}],"container-title":["Journal of Vascular Surgery: Venous and Lymphatic Disorders"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S2213333X21000640?httpAccept=text\/xml","content-type":"text\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S2213333X21000640?httpAccept=text\/plain","content-type":"text\/plain","content-version":"vor","intended-application":"text-mining"}],"deposited":{"date-parts":[[2025,11,1]],"date-time":"2025-11-01T07:02:13Z","timestamp":1761980533000},"score":1,"resource":{"primary":{"URL":"https:\/\/linkinghub.elsevier.com\/retrieve\/pii\/S2213333X21000640"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2021,9]]},"references-count":32,"journal-issue":{"issue":"5","published-print":{"date-parts":[[2021,9]]}},"alternative-id":["S2213333X21000640"],"URL":"https:\/\/doi.org\/10.1016\/j.jvsv.2021.01.005","relation":{},"ISSN":["2213-333X"],"issn-type":[{"value":"2213-333X","type":"print"}],"subject":[],"published":{"date-parts":[[2021,9]]},"assertion":[{"value":"Elsevier","name":"publisher","label":"This article is maintained by"},{"value":"Clinical and hemodynamic outcome of morbidly obese patients with severe chronic venous insufficiency with and without bariatric surgery","name":"articletitle","label":"Article Title"},{"value":"Journal of Vascular Surgery: Venous and Lymphatic Disorders","name":"journaltitle","label":"Journal Title"},{"value":"https:\/\/doi.org\/10.1016\/j.jvsv.2021.01.005","name":"articlelink","label":"CrossRef DOI link to publisher maintained version"},{"value":"article","name":"content_type","label":"Content Type"},{"value":"\u00a9 2021 Published by Elsevier Inc. on behalf of the Society for Vascular Surgery.","name":"copyright","label":"Copyright"}]}}