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Normal width of the linea alba, prevalence, and risk factors for diastasis recti abdominis in adults, a cross-sectional study
AIM: The prevalence and definition of diastasis recti abdominis (DRA) is under debate. This retrospective cross-sectional study evaluated the interrectal distance and the prevalence of DRA in computed tomography (CT) in an asymptomatic population. MATERIALS AND METHODS: Patients undergoing CT scans...
Autores principales: | , , , , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
Springer Paris
2021
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9012734/ https://www.ncbi.nlm.nih.gov/pubmed/34609664 http://dx.doi.org/10.1007/s10029-021-02493-7 |
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author | Kaufmann, R. L. Reiner, C. S. Dietz, U. A. Clavien, P. A. Vonlanthen, R. Käser, S. A. |
author_facet | Kaufmann, R. L. Reiner, C. S. Dietz, U. A. Clavien, P. A. Vonlanthen, R. Käser, S. A. |
author_sort | Kaufmann, R. L. |
collection | PubMed |
description | AIM: The prevalence and definition of diastasis recti abdominis (DRA) is under debate. This retrospective cross-sectional study evaluated the interrectal distance and the prevalence of DRA in computed tomography (CT) in an asymptomatic population. MATERIALS AND METHODS: Patients undergoing CT scans for suspected appendicitis or kidney stones from 01/2016 to 12/2018 were screened retrospectively to participate. A study population with equal distribution according to gender and age (18–90 years) was generated (n = 329 patients) and the interrectal distance was measured at six reference points. RESULTS: DRA (defined as > 2 cm at 3 cm above the umbilicus) was present in 57% of the population. The 80th percentile of the interrectal distance was 10 mm at the xiphoid (median 3 mm, 95% confidence interval (CI) 0–19 mm), 27 mm halfway from xiphoid to umbilicus (median 17 mm, 95% CI 0–39 mm), 34 mm at 3 cm above the umbilicus (median 22 mm, 95% CI 0–50 mm), 32 mm at the umbilicus (median 25 mm, 95% CI 0–45 mm), 25 mm at 2 cm below the umbilicus (median 14 mm, 95% CI 0–39 mm), and 4 mm halfway from umbilicus to pubic symphysis (median 0 mm, 95% CI 0–19 mm). In the multivariate analysis, higher age (p = 0.001), increased body mass index (p < 0.001), and parity (p < 0.037) were independent risk factors for DRA, while split xiphoid, tobacco abuse, and umbilical hernia were not. CONCLUSION: The prevalence of DRA is much higher than commonly estimated (57%). The IRD 3 cm above the umbilicus may be considered normal up to 34 mm. To avoid over-treatment, the definition of DRA should be revised. |
format | Online Article Text |
id | pubmed-9012734 |
institution | National Center for Biotechnology Information |
language | English |
publishDate | 2021 |
publisher | Springer Paris |
record_format | MEDLINE/PubMed |
spelling | pubmed-90127342022-05-02 Normal width of the linea alba, prevalence, and risk factors for diastasis recti abdominis in adults, a cross-sectional study Kaufmann, R. L. Reiner, C. S. Dietz, U. A. Clavien, P. A. Vonlanthen, R. Käser, S. A. Hernia Original Article AIM: The prevalence and definition of diastasis recti abdominis (DRA) is under debate. This retrospective cross-sectional study evaluated the interrectal distance and the prevalence of DRA in computed tomography (CT) in an asymptomatic population. MATERIALS AND METHODS: Patients undergoing CT scans for suspected appendicitis or kidney stones from 01/2016 to 12/2018 were screened retrospectively to participate. A study population with equal distribution according to gender and age (18–90 years) was generated (n = 329 patients) and the interrectal distance was measured at six reference points. RESULTS: DRA (defined as > 2 cm at 3 cm above the umbilicus) was present in 57% of the population. The 80th percentile of the interrectal distance was 10 mm at the xiphoid (median 3 mm, 95% confidence interval (CI) 0–19 mm), 27 mm halfway from xiphoid to umbilicus (median 17 mm, 95% CI 0–39 mm), 34 mm at 3 cm above the umbilicus (median 22 mm, 95% CI 0–50 mm), 32 mm at the umbilicus (median 25 mm, 95% CI 0–45 mm), 25 mm at 2 cm below the umbilicus (median 14 mm, 95% CI 0–39 mm), and 4 mm halfway from umbilicus to pubic symphysis (median 0 mm, 95% CI 0–19 mm). In the multivariate analysis, higher age (p = 0.001), increased body mass index (p < 0.001), and parity (p < 0.037) were independent risk factors for DRA, while split xiphoid, tobacco abuse, and umbilical hernia were not. CONCLUSION: The prevalence of DRA is much higher than commonly estimated (57%). The IRD 3 cm above the umbilicus may be considered normal up to 34 mm. To avoid over-treatment, the definition of DRA should be revised. Springer Paris 2021-10-05 2022 /pmc/articles/PMC9012734/ /pubmed/34609664 http://dx.doi.org/10.1007/s10029-021-02493-7 Text en © The Author(s) 2021 https://creativecommons.org/licenses/by/4.0/Open AccessThis article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article's Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article's Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/ (https://creativecommons.org/licenses/by/4.0/) . |
spellingShingle | Original Article Kaufmann, R. L. Reiner, C. S. Dietz, U. A. Clavien, P. A. Vonlanthen, R. Käser, S. A. Normal width of the linea alba, prevalence, and risk factors for diastasis recti abdominis in adults, a cross-sectional study |
title | Normal width of the linea alba, prevalence, and risk factors for diastasis recti abdominis in adults, a cross-sectional study |
title_full | Normal width of the linea alba, prevalence, and risk factors for diastasis recti abdominis in adults, a cross-sectional study |
title_fullStr | Normal width of the linea alba, prevalence, and risk factors for diastasis recti abdominis in adults, a cross-sectional study |
title_full_unstemmed | Normal width of the linea alba, prevalence, and risk factors for diastasis recti abdominis in adults, a cross-sectional study |
title_short | Normal width of the linea alba, prevalence, and risk factors for diastasis recti abdominis in adults, a cross-sectional study |
title_sort | normal width of the linea alba, prevalence, and risk factors for diastasis recti abdominis in adults, a cross-sectional study |
topic | Original Article |
url | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9012734/ https://www.ncbi.nlm.nih.gov/pubmed/34609664 http://dx.doi.org/10.1007/s10029-021-02493-7 |
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