• Mehmet Yilmaz, Şerif Aksin, Deniz Balsak, Yasmin Aboalhasan, and İbrahim Batmaz.
• Siirt University Faculty of Medicine, Obstetrics and Gynecology, Siirt, Turkey.
• Medicine (Baltimore). 2024 Oct 18; 103 (42): e40069e40069.

BackgroundThe aim of this study was to determine whether orexigenic neuropeptides, orexin and galanin, and anorexigenic neuropeptides, alpha-melanocyte-stimulating hormone (α-MSH) and cocaine- and amphetamine-regulated transcript (CART), are implicated in hyperemesis gravidarum (HG).MethodsFifty pregnant women who had been diagnosed with HG between April 2022 and February 2023 at the Siirt University Faculty of Medicine Training and Research Hospital (tertiary center) were recruited for this study. An equal number of pregnant women without an HG diagnosis were included in the study as the control group. Participants' age, pregnancy history, medical history, thyroid function test results, complete blood count results, and electrolyte levels were recorded, and their orexin, galanin, α-MSH, and CART serum levels were analyzed using an enzyme-linked immunosorbent assay.ResultsNo statistically significant differences in orexigenic neuropeptides (orexin and galanin) were observed between the HG and control groups. A statistical difference was found between an anorexigenic neuropeptide (α-MSH) and the control group (P = .012). Based on a receiver operating characteristic analysis, the α-MSH parameter was statistically significant for distinguishing between participants with an HG diagnosis and those without, with a sensitivity of 63.6%, specificity of 65.9%, and cutoff value of 11769.3 pg/mL (P = .012, area under curve: 0.655). Based on the severity classification of ketonuria (ketonuria levels of +1 or +2 were classified as mild, whereas levels of +3 or +4 were classified as moderate to severe), the anorexigenic CART neuropeptide was found to be a statistically significant diagnostic indicator of severe ketonuria (P = .020).Conclusionα-MSH and CART levels were found to be related in HG patients and in HG patients with severe ketonuria.Copyright © 2024 the Author(s). Published by Wolters Kluwer Health, Inc.

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