{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,11,7]],"date-time":"2025-11-07T08:43:55Z","timestamp":1762505035653},"reference-count":51,"publisher":"Wiley","issue":"4","license":[{"start":{"date-parts":[[1992,7,1]],"date-time":"1992-07-01T00:00:00Z","timestamp":709948800000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["World j. surg."],"published-print":{"date-parts":[[1992,7]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>Analysis of 14 patients with primary hyperparathyroidism (HPT) prior to and during the first year after parathyroid surgery disclosed that the operation was associated with rapid reductions of intact serum parathyroid hormone (PTH) and total serum and ionized plasma calcium values. A decreased urinary calcium excretion, a gradual elevation of renal calcium reabsorption, a transient reduction of serum calcitriol, and a late increase in 25\u2010hydroxycholecalciferol values were also noted. Dynamic tests of parathyroid function by EDTA infusion and an oral calcium load revealed a sigmoidal relationship between serum PTH and calcium levels, and that parathyroid surgery induced considerable changes in both the position and slope of the dose\u2010response curve. It was also apparent that PTH release was submaximally stimulated event at periods of hypocalcemia. The findings substantiate that adjustments of PTH release to acute alterations of serum calcium occur along the prevailing dose\u2010response relationship, while stimuli being maintained for longer periods of time induce compensatory shifts in the position and slope of this curve. It is further suggested that unknown factors with PTH\u2010like function may participate in the calcium regulation after surgery for primary HPT.<\/jats:p>","DOI":"10.1007\/bf02067339","type":"journal-article","created":{"date-parts":[[2005,8,13]],"date-time":"2005-08-13T21:45:46Z","timestamp":1123969546000},"page":"625-631","source":"Crossref","is-referenced-by-count":12,"title":["Dynamics of parathyroid hormone release and serum calcium regulation after surgery for primary hyperparathyroidism"],"prefix":"10.1002","volume":"16","author":[{"given":"Wilhelm","family":"Graf","sequence":"first","affiliation":[{"name":"Departments of Surgery, Clinical Chemistry, and Internal Medicine Akademiska sjukhuset Uppsala Sweden"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jonas","family":"Rastad","sequence":"additional","affiliation":[{"name":"Departments of Surgery, Clinical Chemistry, and Internal Medicine Akademiska sjukhuset Uppsala Sweden"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"G\u00f6ran","family":"\u00c5kerstr\u00f6m","sequence":"additional","affiliation":[{"name":"Departments of Surgery, Clinical Chemistry, and Internal Medicine Akademiska sjukhuset Uppsala Sweden"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Leif","family":"Wide","sequence":"additional","affiliation":[{"name":"Departments of Surgery, Clinical Chemistry, and Internal Medicine Akademiska sjukhuset Uppsala Sweden"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Sverker","family":"Ljunghall","sequence":"additional","affiliation":[{"name":"Departments of Surgery, Clinical Chemistry, and Internal Medicine Akademiska sjukhuset Uppsala Sweden"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[1992,7]]},"reference":[{"key":"e_1_2_1_2_1","doi-asserted-by":"publisher","DOI":"10.1210\/endo-98-1-197"},{"key":"e_1_2_1_3_1","first-page":"130","article-title":"PTH secretion in vivo and in vitro: Regulation by calcium and other secretagogues","volume":"8","author":"Brown E.M.","year":"1982","journal-title":"Miner. 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