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Abdominal pressure pain thresholds correlate with postoperative pain intensity

Objective - We aim to investigate the correlation between ongoing pain levels and pain threshold measured by algometry after bariatric surgery. - Methods - A retrospective analysis was conducted on data from 150 patients who underwent bariatric surgery, including 120 who received Roux-en-Y gastric b...

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Main Authors: Ghanad, Erfan (Author) , Weiß, Christel (Author) , Taebi, Niki (Author) , Klick, Jasmin (Author) , Staff, Sophie (Author) , Finze, Alida (Author) , Dusch, Martin (Author) , Reißfelder, Christoph (Author) , Schmelz, Martin (Author) , Yang, Cui (Author)
Format: Article (Journal)
Language:English
Published: Oct 2025
In: Science progress
Year: 2025, Volume: 108, Issue: 4, Pages: 1-13
ISSN:2047-7163
DOI:10.1177/00368504251387759
Online Access:Verlag, kostenfrei, Volltext: https://doi.org/10.1177/00368504251387759
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Author Notes:Erfan Ghanad, Christel Weiss, Niki Taebi, Jasmin Klick, Sophie Staff, Alida Finze, Martin Dusch, Christoph Reissfelder, Martin Schmelz and Cui Yang
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Summary:Objective - We aim to investigate the correlation between ongoing pain levels and pain threshold measured by algometry after bariatric surgery. - Methods - A retrospective analysis was conducted on data from 150 patients who underwent bariatric surgery, including 120 who received Roux-en-Y gastric bypass (RYGB) and 30 who underwent sleeve gastrectomy. Shortly after surgery, pain was assessed by the visual analogue scale (VAS) and abdominal algometry. Algometry was performed on the most sensitive abdominal pressure points. - Results - Patients reported moderate pain after surgery, with a mean of VAS score of 5.7. The mean abdominal pain threshold was 9.8N. VAS pain scores correlated with algometry (Spearman correlation coefficient −0.35; p < 0.0001). No sex-specific differences were observed in postoperative pain (p = 0.45) or algometry (p = 0.99). Furthermore, RYGB and sleeve gastrectomy groups did not differ significantly in the Spearman correlation coefficients (p = 0.214). - Conclusions - The mild correlation between reduced mechanical pain thresholds and higher levels of ongoing pain confirms the clinical value of sensory pain testing in the postoperative setting and suggests that local mechanical sensitization contributes to ongoing pain.
Item Description:Erstmals veröffentlicht: 16. October 2025
Gesehen am 16.12.2025
Physical Description:Online Resource
ISSN:2047-7163
DOI:10.1177/00368504251387759

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