{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,10]],"date-time":"2025-10-10T01:24:23Z","timestamp":1760059463839,"version":"build-2065373602"},"reference-count":45,"publisher":"MDPI AG","issue":"6","license":[{"start":{"date-parts":[[2025,6,15]],"date-time":"2025-06-15T00:00:00Z","timestamp":1749945600000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["JPM"],"abstract":"<jats:p>Background: In systemic sclerosis (SSc), endothelial dysfunction, inflammation, and reduced nitric oxide levels may disrupt circadian blood pressure (BP) regulation. There are studies showing that inflammatory and certain other cells in diseases like SSc exhibit diurnal rhythms. In our study, we examined the effect of SSc on BP. In particular, the frequency of the non-dipper pattern (lack of nighttime BP reduction) in SSc patients has not been adequately investigated. The aim of this study was to evaluate the 24 h BP profile in SSc patients and to compare the frequency of the non-dipper pattern with that of the non-scleroderma group. Additionally, the identification of disrupted circadian BP patterns in SSc patients aims to contribute to the development of personalized, time-sensitive BP monitoring strategies in the future and to support the applicability of personalized medicine in this context. Methods: A total of 31 SSc patients diagnosed according to the 2013 ACR\/EULAR classification criteria and 30 age- and sex-matched individuals without SSc were included in this prospective study. BP changes between day and night were evaluated by measuring BP every 30 min with a 24 h ambulatory blood pressure monitoring (ABPM) device. The non-dipper pattern was defined as a decrease in BP of less than 10% during the night compared to the day. To better assess BP fluctuations during the night, nighttime measurements were divided into two time periods: first, 24:00\u201304:00, and then 04:00\u201308:00. Additionally, laboratory and clinical parameters and SSc subtypes were compared between the groups. Results: The ABPM findings were compared between the groups with and without SSc. The non-dipper pattern was significantly more common in the SSc group at all time intervals. The non-dipper pattern was observed in 25.8% of the non-SSc group and 83.9% of SSc patients (p &lt; 0.001). In the period between 24:00 and 04:00, the prevalence was 25.8% in the control group and 71.0% in SSc patients (p &lt; 0.001), and between 04:00 and 08:00, it was 35.5% in the control group and 80.6% in SSc patients (p &lt; 0.001). No significant difference was found in non-dipper patterns between individuals with diffuse and limited cutaneous forms of systemic sclerosis. Conclusions: The non-dipper BP pattern is significantly more common in patients with SSc, indicating the disruption of the circadian rhythm affecting BP. Analysis performed by dividing the night into specific time periods revealed that this deterioration continued throughout the night. The findings highlight the importance of circadian BP monitoring in SSc patients and may contribute to future risk stratification and treatment strategies. Circadian BP analysis in SSc may help to develop strategies that are personalized for these patients and tailored to their physiological rhythm.<\/jats:p>","DOI":"10.3390\/jpm15060253","type":"journal-article","created":{"date-parts":[[2025,6,16]],"date-time":"2025-06-16T05:28:33Z","timestamp":1750051713000},"page":"253","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Increased Frequency of the Non-Dipper Blood Pressure Pattern in Patients with Systemic Sclerosis: Insights from 24-Hour Ambulatory Monitoring"],"prefix":"10.3390","volume":"15","author":[{"given":"O\u011fuzhan","family":"Zengin","sequence":"first","affiliation":[{"name":"Department of Internal Medicine, University of Health Sciences, Ankara Bilkent City Hospital, 06800 Ankara, Turkey"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"G\u00fcl\u015fah","family":"Soyt\u00fcrk","sequence":"additional","affiliation":[{"name":"Department of Rheumatology, Ankara Bilkent City Hospital, 06800 Ankara, Turkey"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Burak","family":"G\u00f6re","sequence":"additional","affiliation":[{"name":"Department of Internal Medicine, \u00c7erke\u015f State Hospital, 16800 \u00c7ank\u0131r\u0131, Turkey"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0009-0009-2606-046X","authenticated-orcid":false,"given":"Mustafa","family":"Y\u00fcr\u00fcmez","sequence":"additional","affiliation":[{"name":"Department of Internal Medicine, Ankara Bilkent City Hospital, 06800 Ankara, Turkey"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-3504-7402","authenticated-orcid":false,"given":"Ali Can","family":"Kurtipek","sequence":"additional","affiliation":[{"name":"Department of Internal Medicine, Faculty of Medicine, Ankara University, 06230 Ankara, Turkey"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Emra Asfuro\u011flu","family":"Kalkan","sequence":"additional","affiliation":[{"name":"Department of Internal Medicine, Ankara Bilkent City Hospital, 06800 Ankara, Turkey"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-9218-8965","authenticated-orcid":false,"given":"Hatice Ecem","family":"Konak","sequence":"additional","affiliation":[{"name":"Department of Rheumatology, Ankara Bilkent City Hospital, 06800 Ankara, Turkey"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"\u015e\u00fckran","family":"Erten","sequence":"additional","affiliation":[{"name":"Department of Rheumatology, Ankara Bilkent City Hospital, 06800 Ankara, Turkey"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ihsan","family":"Ate\u015f","sequence":"additional","affiliation":[{"name":"Department of Internal Medicine, University of Health Sciences, Ankara Bilkent City Hospital, 06800 Ankara, Turkey"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"1968","published-online":{"date-parts":[[2025,6,15]]},"reference":[{"key":"ref_1","first-page":"256","article-title":"Atherosclerosis and inflammation. 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