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Influence of Elevated Intra-abdominal Pressure on Suture Tension Dynamics in a Porcine Model

A. Schachtrupp, O.U. Wetter, J. Höer, Journal of Surgical Research 233 (2019) 207–212.

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Artikel | Veröffentlicht | Englisch
Autor*in
Schachtrupp, Alexander; Wetter, Oliver UtzFH Bielefeld ; Höer, Jörg
Abstract
Background: Inadequate suture tension is a risk factor for the failure of laparotomy closure. Suture tension dynamics in the abdominal wall are still obscure due to the lack of measuring devices. To answer the questions if intra-abdominal hypertension (IAH) influences suture tension in midline laparotomies and if IAH leads to a permanent loss of suture tension, microsensors were applied in a porcine model of IAH. Material and methods: Microsensors measuring suture tension “on the thread” with a frequency of 1/s were developed and implanted in the suture lines of midline laparotomies in four pigs. During a 23-h experiment under general anesthesia, two intervals of IAH (30 mm Hg) were applied, interrupted by a 3-h interval without elevated intra-abdominal pressure. Results: All sensors showed an immediate and reproducible response to changes of intraabdominal pressure. The two 9-h periods of IAH resulted in a significant elevation of suture tension (P¼0.003 and P¼0.0009, respectively). Reducing the IAH lead to a significant loss of suture tension (P¼0.0005andP¼0.0001, respectively). After the second interval with IAH, a complete loss of mean suture tension was observed. A statistically significant “recovery” of suture tension in the interval between the two phases with IAH was not observed. Conclusions: Intervals with elevated intra-abdominal pressure have a direct influence on suture tension in midline laparotomy wounds. Intervals with IAH lead to a significant loss of suture tension in the suture line and to a complete loss of mean suture tension at the end of this experiment. A subsequent gaping of the fascia might contribute to either acute or chronic failure of laparotomy closure
Erscheinungsjahr
Zeitschriftentitel
Journal of Surgical Research
Band
233
Seite
207-212
ISSN
FH-PUB-ID

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Schachtrupp, Alexander ; Wetter, Oliver Utz ; Höer, Jörg: Influence of Elevated Intra-abdominal Pressure on Suture Tension Dynamics in a Porcine Model. In: Journal of Surgical Research Bd. 233, Elsevier BV (2019), S. 207–212
Schachtrupp A, Wetter OU, Höer J. Influence of Elevated Intra-abdominal Pressure on Suture Tension Dynamics in a Porcine Model. Journal of Surgical Research. 2019;233:207-212. doi:10.1016/j.jss.2018.07.043
Schachtrupp, A., Wetter, O. U., & Höer, J. (2019). Influence of Elevated Intra-abdominal Pressure on Suture Tension Dynamics in a Porcine Model. Journal of Surgical Research, 233, 207–212. https://doi.org/10.1016/j.jss.2018.07.043
@article{Schachtrupp_Wetter_Höer_2019, title={Influence of Elevated Intra-abdominal Pressure on Suture Tension Dynamics in a Porcine Model}, volume={233}, DOI={10.1016/j.jss.2018.07.043}, journal={Journal of Surgical Research}, publisher={Elsevier BV}, author={Schachtrupp, Alexander and Wetter, Oliver Utz and Höer, Jörg}, year={2019}, pages={207–212} }
Schachtrupp, Alexander, Oliver Utz Wetter, and Jörg Höer. “Influence of Elevated Intra-Abdominal Pressure on Suture Tension Dynamics in a Porcine Model.” Journal of Surgical Research 233 (2019): 207–12. https://doi.org/10.1016/j.jss.2018.07.043.
A. Schachtrupp, O. U. Wetter, and J. Höer, “Influence of Elevated Intra-abdominal Pressure on Suture Tension Dynamics in a Porcine Model,” Journal of Surgical Research, vol. 233, pp. 207–212, 2019.
Schachtrupp, Alexander, et al. “Influence of Elevated Intra-Abdominal Pressure on Suture Tension Dynamics in a Porcine Model.” Journal of Surgical Research, vol. 233, Elsevier BV, 2019, pp. 207–12, doi:10.1016/j.jss.2018.07.043.

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