<?xml version="1.0" encoding="UTF-8"?><?xml-stylesheet type="text/xsl" href="static/style.xsl"?><OAI-PMH xmlns="http://www.openarchives.org/OAI/2.0/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/ http://www.openarchives.org/OAI/2.0/OAI-PMH.xsd"><responseDate>2026-05-05T09:18:54Z</responseDate><request verb="GetRecord" identifier="oai:uvadoc.uva.es:10324/61988" metadataPrefix="dim">https://uvadoc.uva.es/oai/request</request><GetRecord><record><header><identifier>oai:uvadoc.uva.es:10324/61988</identifier><datestamp>2023-10-16T19:00:33Z</datestamp><setSpec>com_10324_1149</setSpec><setSpec>com_10324_931</setSpec><setSpec>com_10324_894</setSpec><setSpec>col_10324_1274</setSpec></header><metadata><dim:dim xmlns:dim="http://www.dspace.org/xmlns/dspace/dim" xmlns:doc="http://www.lyncode.com/xoai" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.dspace.org/xmlns/dspace/dim http://www.dspace.org/schema/dim.xsd">
<dim:field mdschema="dc" element="contributor" qualifier="author" authority="4e3b56bb5b831f65" confidence="600" orcid_id="0000-0002-1852-4318">Castro Alija, María José</dim:field>
<dim:field mdschema="dc" element="contributor" qualifier="author" authority="146875b933a4933c" confidence="600" orcid_id="0000-0003-4264-6582">Jiménez Pérez, José María</dim:field>
<dim:field mdschema="dc" element="contributor" qualifier="author" authority="d359abcbe3fb7b6c" confidence="600" orcid_id="">López Vallecillo, María</dim:field>
<dim:field mdschema="dc" element="contributor" qualifier="author" authority="bf4b752a48d41171" confidence="600" orcid_id="">Cao Torija, María José</dim:field>
<dim:field mdschema="dc" element="contributor" qualifier="author" authority="7c1d4967-e9ed-42ae-a643-54a858ef4a0d">González Ramírez, Gilberto</dim:field>
<dim:field mdschema="dc" element="contributor" qualifier="author" authority="8af44825-6bfd-4ece-8130-60db4519d888">Bolaños Muñoz, María de Lourdes</dim:field>
<dim:field mdschema="dc" element="contributor" qualifier="author" authority="9908b8ad-4dd9-4df7-bc1f-b38835dbd958" confidence="600" orcid_id="">Ruiz-Tovar Polo, Jaime</dim:field>
<dim:field mdschema="dc" element="date" qualifier="accessioned">2023-10-16T12:41:21Z</dim:field>
<dim:field mdschema="dc" element="date" qualifier="available">2023-10-16T12:41:21Z</dim:field>
<dim:field mdschema="dc" element="date" qualifier="issued">2022</dim:field>
<dim:field mdschema="dc" element="identifier" qualifier="citation" lang="es">Nutrients, 2022, Vol. 14, Nº. 15, 3056</dim:field>
<dim:field mdschema="dc" element="identifier" qualifier="issn" lang="es">2072-6643</dim:field>
<dim:field mdschema="dc" element="identifier" qualifier="uri">https://uvadoc.uva.es/handle/10324/61988</dim:field>
<dim:field mdschema="dc" element="identifier" qualifier="doi" lang="es">10.3390/nu14153056</dim:field>
<dim:field mdschema="dc" element="identifier" qualifier="publicationfirstpage" lang="es">3056</dim:field>
<dim:field mdschema="dc" element="identifier" qualifier="publicationissue" lang="es">15</dim:field>
<dim:field mdschema="dc" element="identifier" qualifier="publicationtitle" lang="es">Nutrients</dim:field>
<dim:field mdschema="dc" element="identifier" qualifier="publicationvolume" lang="es">14</dim:field>
<dim:field mdschema="dc" element="identifier" qualifier="essn" lang="es">2072-6643</dim:field>
<dim:field mdschema="dc" element="description" lang="es">Producción Científica</dim:field>
<dim:field mdschema="dc" element="description" qualifier="abstract" lang="es">The aim of this study was to compare the analytical and densitometric changes 2 years after Roux-en-Y gastric bypass (RYGB) and sleeve gastrectomy (SG). A retrospective study of a prospectively collected database was performed. Morbidly obese patients undergoing RYGB or SG, as primary bariatric procedures, were included. Weight loss; analytical levels of parathormone (PTH), vitamin D, and calcium; and densitometric parameters were investigated. In total, 650 patients were included in the study, and 523 patients (80.5%) underwent RYGB and 127 (19.5%) SG. There were no significant differences in excess weight loss at 24 months between both groups. When comparing preoperative and postoperative values, a significantly greater increase in PTH values was observed in the RYGB group, whereas there were no significant differences in calcium and vitamin D levels. The mean t-score values decreased after surgery at all the locations and in both groups. The reduction in the t-score was significantly greater in the RYGB group at the femoral trochanter and lumbar spine. A decrease in bone mineral density (BMD) was observed after both techniques. The mean BMD decrease was significantly greater in the femoral trochanter and lumbar spine after RYGB.</dim:field>
<dim:field mdschema="dc" element="format" qualifier="mimetype" lang="es">application/pdf</dim:field>
<dim:field mdschema="dc" element="language" qualifier="iso" lang="es">eng</dim:field>
<dim:field mdschema="dc" element="publisher" lang="es">MDPI</dim:field>
<dim:field mdschema="dc" element="rights" qualifier="accessRights" lang="es">info:eu-repo/semantics/openAccess</dim:field>
<dim:field mdschema="dc" element="rights" qualifier="uri" lang="*">http://creativecommons.org/licenses/by/4.0/</dim:field>
<dim:field mdschema="dc" element="rights" qualifier="holder" lang="es">© 2022 The Authors</dim:field>
<dim:field mdschema="dc" element="rights" lang="*">Atribución 4.0 Internacional</dim:field>
<dim:field mdschema="dc" element="subject" lang="es">Sleeve gastrectomy</dim:field>
<dim:field mdschema="dc" element="subject" lang="es">Gastrectomy</dim:field>
<dim:field mdschema="dc" element="subject" lang="es">Gastrectomía</dim:field>
<dim:field mdschema="dc" element="subject" lang="es">Gastroenterology</dim:field>
<dim:field mdschema="dc" element="subject" lang="es">Surgery</dim:field>
<dim:field mdschema="dc" element="subject" lang="es">Digestive organs - Surgery</dim:field>
<dim:field mdschema="dc" element="subject" lang="es">Aparato digestivo - Cirugía</dim:field>
<dim:field mdschema="dc" element="subject" lang="es">Roux-en-Y gastric bypass</dim:field>
<dim:field mdschema="dc" element="subject" lang="es">Gastric band</dim:field>
<dim:field mdschema="dc" element="subject" lang="es">Abdominal surgery</dim:field>
<dim:field mdschema="dc" element="subject" lang="es">Bones - Diseases</dim:field>
<dim:field mdschema="dc" element="subject" lang="es">Huesos - Enfermedades</dim:field>
<dim:field mdschema="dc" element="subject" lang="es">Mineral metabolism</dim:field>
<dim:field mdschema="dc" element="subject" lang="es">Minerales -  Metabolismo, trastornos del</dim:field>
<dim:field mdschema="dc" element="subject" lang="es">Osteoporosis</dim:field>
<dim:field mdschema="dc" element="subject" qualifier="unesco" lang="es">3205.03 Gastroenterología</dim:field>
<dim:field mdschema="dc" element="subject" qualifier="unesco" lang="es">3213 Cirugía</dim:field>
<dim:field mdschema="dc" element="subject" qualifier="unesco" lang="es">3213.01 Cirugía Abdominal</dim:field>
<dim:field mdschema="dc" element="title" lang="es">Changes in the bone mineral density after sleeve gastrectomy vs. Roux-en-Y gastric bypass 2 years after surgery</dim:field>
<dim:field mdschema="dc" element="type" lang="es">info:eu-repo/semantics/article</dim:field>
<dim:field mdschema="dc" element="type" qualifier="hasVersion" lang="es">info:eu-repo/semantics/publishedVersion</dim:field>
<dim:field mdschema="dc" element="relation" qualifier="publisherversion" lang="es">https://www.mdpi.com/2072-6643/14/15/3056</dim:field>
<dim:field mdschema="dc" element="peerreviewed" lang="es">SI</dim:field>
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