{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,8,29]],"date-time":"2025-08-29T10:24:36Z","timestamp":1756463076284,"version":"3.40.5"},"reference-count":11,"publisher":"Wiley","issue":"6","license":[{"start":{"date-parts":[[2021,8,6]],"date-time":"2021-08-06T00:00:00Z","timestamp":1628208000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["J of Clinical Apheresis"],"published-print":{"date-parts":[[2021,12]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Background<\/jats:title><jats:p>The prevalence of obesity in the United States is estimated at 42.4% and expected to increase over the next decade. Therefore, understanding how to best perform certain medical procedures on severely obese (SO) patients is a necessity. This study presents results on the current methods of performing therapeutic plasma exchange (TPE) on SO patients. This paper aims to contribute to the existing literature by providing new insights into calculating plasma volume (PV) for TPE in SO patients.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>Blood Bank\/Apheresis Directors at all institutions with pathology residency and\/or blood banking\/transfusion medicine fellowship programs were asked to complete a 5\u2010question online survey about their institutional policies regarding TPE in SO patients. Survey data were analyzed to determine if institutions have policies in place to calculate PV in SO patients.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>Out of the 144 institutions contacted, 45 (31%) completed the survey. Nine (20%) institutions had a policy to calculate PV differently for SO patients, 7 (16%) reported a specific body mass index (BMI) above which they alter PV calculation, and 7 (16%) reported a maximum volume exchanged in SO patients.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>A minority of responding institutions had specific policies in place to calculate PV for TPE in SO patients. Practice patterns for calculating PV for TPE in SO patients varied, with some institutions adjusting PV calculations and others setting a maximum volume to be exchanged regardless of BMI. These findings highlight the need for establishing a clear method of calculating PV in SO patients.<\/jats:p><\/jats:sec>","DOI":"10.1002\/jca.21931","type":"journal-article","created":{"date-parts":[[2021,8,6]],"date-time":"2021-08-06T11:44:45Z","timestamp":1628250285000},"page":"802-807","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":3,"title":["Therapeutic plasma exchange in patients with severe obesity (<scp>BMI<\/scp> &gt;40): A survey of practices in the United States"],"prefix":"10.1002","volume":"36","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-2809-1904","authenticated-orcid":false,"given":"Shraddha Patel","family":"Babariya","sequence":"first","affiliation":[{"name":"American Red Cross, Biomedical Services  Philadelphia Pennsylvania USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Angelica","family":"Vivero","sequence":"additional","affiliation":[{"name":"Department of Pathology, Anatomy, and Cell Biology Thomas Jefferson University Hospital  Philadelphia Pennsylvania USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-3779-8602","authenticated-orcid":false,"given":"Alexis","family":"Peedin","sequence":"additional","affiliation":[{"name":"Department of Pathology, Anatomy, and Cell Biology Thomas Jefferson University Hospital  Philadelphia Pennsylvania USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-5970-4585","authenticated-orcid":false,"given":"Julie Katz","family":"Karp","sequence":"additional","affiliation":[{"name":"Department of Pathology, Anatomy, and Cell Biology Thomas Jefferson University Hospital  Philadelphia Pennsylvania USA"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2021,8,6]]},"reference":[{"key":"e_1_2_8_2_1","unstructured":"FryarCD CarrollMD OgdenCL.Prevalence of Overweight Obesity and Severe Obesity Among Adults Aged 20 and Over: United States 1960\u20131962 Through 2015\u20132016. 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