{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2023,10,12]],"date-time":"2023-10-12T00:06:14Z","timestamp":1697069174842},"reference-count":48,"publisher":"Georg Thieme Verlag KG","issue":"06","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Tierarztl Prax Ausg G"],"published-print":{"date-parts":[[2015]]},"abstract":"<jats:title>Zusammenfassung<\/jats:title><jats:p>\n          Ziel der Arbeit war, sonographisch das Schicksal fr\u00fchzeitig post partum auftretender Ovarialzysten (OZ) ohne und nach Behandlung mit einer Progesteron abgebenden Vaginalspirale (PRID), mit oder ohne zus\u00e4tzliche Applikation von equinem Choriongonadotropin (eCG), zu vergleichen. Material und Methode: 33 Milchk\u00fche, die 20\u201330 Tage post partum eine OZ aufwiesen, wurden den Behandlungsgruppen (BG) PRID\/PGF oder PRID\/PGF+eCG oder einer Kontrollgruppe (KG) zugeteilt (n = 11\/Gruppe). Die Kontrolltiere blieben im 20-t\u00e4 gigen Versuchszeitraum unbehandelt. Am Tag der Diagnose (Tag 0) wurde den Tieren der BG eine PRID eingesetzt und bei deren Entfernung (Tag 10) PGF2\u03b1 appliziert. In der BG PRID\/PGF+eCG wurde am Tag 7 zus\u00e4tzlich eCG appliziert. An Tag 0, 7, 10, 13 und 20 wurden die Ovarien sonographisch untersucht und Progesteron (P4) sowie \u00d6stradiol-17\u03b2 (E2) im Plasma bestimmt. Dies erfolgte bei der KG nur an Tag 0, 10 und 20. Ergebnisse: An Tag 0 wurden bei allen K\u00fchen sonographisch Follikelthekazysten festgestellt, von denen sich in der KG sechs in Follikelluteinzysten umwandelten. Der Zystendurchmesser blieb in der KG unver\u00e4ndert, w\u00e4hrend er sich in den BG bis Tag 20 verringerte (p &lt; 0,01). Bei allen Tieren der BG kam es zur Ovulation und Anbildung mindestens eines Corpus luteum (CL), in der KG nur bei zwei Tieren (p &lt; 0,05). Im Vergleich zu erstmals am Tag 10 dominanten Follikeln entstanden aus bereits am Tag 7 dominanten Follikeln mehr CL mit Hohlraum (p &lt; 0,05). Die Durchmesser der Follikel, aus denen sich CL mit Hohlraum entwickelten, waren an Tag 10 gr\u00f6\u00dfer (p &lt; 0,01). Am Tag 0 betrug die mittlere P4-Konzentration in allen Gruppen 1 ng\/ml. Sie stieg in den BG nach Einsetzen der PRID und fiel nach deren Entfernung unter 1 ng\/ml ab (p &lt; 0,05). Schlussfolgerung: Die alleinige Behandlung mit PRID f\u00fchrte zu einer Heilungsrate von 100%, sodass sich der zus\u00e4tzliche Nutzen von eCG nicht kritisch \u00fcberpr\u00fcfen lie\u00df. CL mit Hohlraum entstehen h\u00e4ufiger aus gr\u00f6\u00dferen und \u00e4lteren dominanten Follikeln.<\/jats:p>","DOI":"10.15653\/tpg-150249","type":"journal-article","created":{"date-parts":[[2015,11,23]],"date-time":"2015-11-23T10:00:36Z","timestamp":1448272836000},"page":"331-339","source":"Crossref","is-referenced-by-count":3,"title":["Schicksal fr\u00fchzeitig post partum auftretender Ovarialzysten ohne und nach Behandlung mit PRID\/PGF oder PRID\/PGF+eCG"],"prefix":"10.15653","volume":"43","author":[{"given":"U.","family":"Eigenmann","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"R.","family":"Bruckmaier","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"U.","family":"Bleul","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"E.","family":"Gaebler","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"194","published-online":{"date-parts":[[2018,1,9]]},"reference":[{"key":"10.15653\/TPG-150249-1","doi-asserted-by":"publisher","DOI":"10.1530\/jrf.0.0940177"},{"key":"10.15653\/TPG-150249-2","doi-asserted-by":"crossref","first-page":"1660","DOI":"10.2527\/jas1975.4161660x","volume":"41","author":"Bierschwal","year":"1975","journal-title":"J Anim Sci"},{"key":"10.15653\/TPG-150249-3","doi-asserted-by":"publisher","DOI":"10.1111\/j.1439-0442.1988.tb00015.x"},{"key":"10.15653\/TPG-150249-4","doi-asserted-by":"crossref","unstructured":"Calder MD, Salfen BE, Bao B, Youngquist RS, Garverick HA, Salfen BE, et al. 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