{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,13]],"date-time":"2026-10-13T16:17:47Z","timestamp":1791908267764,"version":"4.3.4"},"reference-count":39,"publisher":"Oxford University Press (OUP)","issue":"4","license":[{"start":{"date-parts":[[2015,1,20]],"date-time":"2015-01-20T00:00:00Z","timestamp":1421712000000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/academic.oup.com\/journals\/pages\/open_access\/funder_policies\/chorus\/standard_publication_model"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2015,2,17]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Background<\/jats:title>\n                    <jats:p>Parathyroid failure is the most common complication after total thyroidectomy but factors involved are not completely understood. Accidental parathyroidectomy and parathyroid autotransplantation resulting in fewer than four parathyroid glands remaining in situ, and intensity of medical treatment of postoperative hypocalcaemia may have relevant roles. The aim of this study was to determine the relationship between the number of parathyroid glands remaining in situ and parathyroid failure after total thyroidectomy.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>Consecutive patients undergoing first-time total thyroidectomy were studied prospectively, recording the number of Parathyroid Glands Remaining In Situ (PGRIS = 4 \u2212 (glands autografted + glands in the specimen)) and the occurrence of postoperative hypocalcaemia, and protracted and permanent hypoparathyroidism. Demographic, disease-related, laboratory and surgical variables were recorded. Patients were classified according to the PGRIS number into group 1\u20132 (one or two PGRIS), group 3 (three PGRIS) and group 4 (all four glands remaining in situ), and were followed for at least 1 year.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>A total of 657 patients were included, 43 in PGRIS group 1\u20132, 186 in group 3 and 428 in group 4. The prevalence of hypocalcaemia, and of protracted and permanent hypoparathyroidism was inversely related to the PGRIS score (group 1\u20132: 74, 44 and 16 per cent respectively; group 3: 51\u00b71, 24\u00b77 and 6\u00b75 per cent; group 4: 35\u00b73, 13\u00b71 and 2\u00b76 per cent; P &amp;lt; 0\u00b7001). Intact parathyroid hormone concentrations at 24 h and 1 month were inversely correlated with PGRIS score (P &amp;lt; 0\u00b7001). Logistic regression identified PGRIS score as the most powerful variable influencing acute and chronic parathyroid failure. In addition, a normal\u2013high serum calcium concentration 1 month after thyroidectomy influenced positively the recovery rate from protracted hypoparathyroidism in all PGRIS categories.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion<\/jats:title>\n                    <jats:p>In situ parathyroid preservation is critical in preventing permanent hypoparathyroidism after total thyroidectomy. Active medical treatment of postoperative hypocalcaemia has a positive synergistic effect.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1002\/bjs.9676","type":"journal-article","created":{"date-parts":[[2015,1,20]],"date-time":"2015-01-20T08:29:58Z","timestamp":1421742598000},"page":"359-367","source":"Crossref","is-referenced-by-count":226,"title":["Importance of\n                    <i>in situ<\/i>\n                    preservation of parathyroid glands during total thyroidectomy"],"prefix":"10.1093","volume":"102","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-4067-5240","authenticated-orcid":false,"given":"L","family":"Lorente-Poch","sequence":"first","affiliation":[{"name":"Endocrine Surgery Unit, Hospital del Mar, Barcelona, Spain"},{"name":"Department of Surgery, Universitat Aut\u00f2noma de Barcelona, Barcelona, Spain"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"J J","family":"Sancho","sequence":"additional","affiliation":[{"name":"Endocrine Surgery Unit, Hospital del Mar, Barcelona, Spain"},{"name":"Department of Surgery, Universitat Aut\u00f2noma de Barcelona, Barcelona, Spain"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"S","family":"Ruiz","sequence":"additional","affiliation":[{"name":"Endocrine Surgery Unit, Hospital del Mar, Barcelona, Spain"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"A","family":"Sitges-Serra","sequence":"additional","affiliation":[{"name":"Endocrine Surgery Unit, Hospital del Mar, Barcelona, Spain"},{"name":"Department of Surgery, Universitat Aut\u00f2noma de Barcelona, Barcelona, Spain"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"286","published-online":{"date-parts":[[2015,1,20]]},"reference":[{"key":"2021021717280149200_bjs9676-bib-0001","doi-asserted-by":"crossref","first-page":"718","DOI":"10.1007\/s002689900459","article-title":"Hypocalcemia following thyroid surgery: incidence and prediction of outcome","volume":"22","author":"Pattou","year":"1998","journal-title":"World J Surg"},{"key":"2021021717280149200_bjs9676-bib-0002","doi-asserted-by":"crossref","first-page":"389","DOI":"10.1001\/archotol.128.4.389","article-title":"Assessment of the morbidity and complications of total thyroidectomy","volume":"128","author":"Bhattacharyya","year":"2002","journal-title":"Arch Otolaryngol Head Neck Surg"},{"key":"2021021717280149200_bjs9676-bib-0003","doi-asserted-by":"crossref","first-page":"456","DOI":"10.1016\/S1072-7515(02)01310-8","article-title":"Risk factors for post-thyroidectomy hypocalcemia","volume":"195","author":"Abboud","year":"2002","journal-title":"J Am Coll Surg"},{"key":"2021021717280149200_bjs9676-bib-0004","doi-asserted-by":"crossref","first-page":"472","DOI":"10.1097\/00000658-199605000-00003","article-title":"Parathyroid autotransplantation during thyroidectomy. 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