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Ultrasound detection of diaphragm position in the region for lung monitoring by electrical impedance tomography during laparoscopy

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216208%3A11110%2F18%3A10376645" target="_blank" >RIV/00216208:11110/18:10376645 - isvavai.cz</a>

  • Alternative codes found

    RIV/68407700:21460/18:00321358

  • Result on the web

    <a href="http://biomed.papers.upol.cz/pdfs/bio/2018/01/08.pdf" target="_blank" >http://biomed.papers.upol.cz/pdfs/bio/2018/01/08.pdf</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.5507/bp.2018.005" target="_blank" >10.5507/bp.2018.005</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    Ultrasound detection of diaphragm position in the region for lung monitoring by electrical impedance tomography during laparoscopy

  • Original language description

    Background and Aims. During laparoscopic surgery, a capnoperitoneum is created to optimize the operating space for surgeons. One effect of this is abdominal pressure which alters the physiological thoraco-abdominal configuration and pushes the diaphragm and lungs cranially. Since the lung image acquired by electrical impedance tomography (EIT) depends on the conditions within the thorax and abdomen, it is crucial to know the diaphragm position to determine the effect of diaphragm shift on EIT thorax image. Methods. The presence of diaphragm in the region of EIT measurement was determined by ultrasound in 20 patients undergoing laparoscopic surgery. Data were obtained in the supine position during spontaneous breathing in a mechanically ventilated patient under general anesthesia with muscle relaxation and in a mechanically ventilated patient under general anesthesia with muscle relaxation during capnoperitoneum. Results. The diaphragm was shifted cranially during capnoperitoneum. The diaphragm detection rate rose by 10% during capnoperitoneum at the fifth intercostal space, from 55% to 65% and by 10% from 0% at mid-sternal level compared to mechanical ventilation without capnoperitoneum. Conclusion. The diaphragm was detected in the area contributing to the creation of the thoracic EIT image. Considering the cranial shift of diaphragm caused by excessive intra-abdominal pressure, the impedance changes in the abdomen and the principle of EIT, we assume there could be a significant impact on EIT image of the thorax acquired during capnoperitoneum. For this reason, for lung monitoring using EIT during capnoperitoneum, the manufacturer&apos;s recommendation for electrode belt position is not appropriate. The study was registered in ClinicalTrials.gov with an identifier NCT03038061.

  • Czech name

  • Czech description

Classification

  • Type

    J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database

  • CEP classification

  • OECD FORD branch

    30223 - Anaesthesiology

Result continuities

  • Project

  • Continuities

    V - Vyzkumna aktivita podporovana z jinych verejnych zdroju

Others

  • Publication year

    2018

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Name of the periodical

    Biomedical Papers

  • ISSN

    1213-8118

  • e-ISSN

  • Volume of the periodical

    162

  • Issue of the periodical within the volume

    1

  • Country of publishing house

    CZ - CZECH REPUBLIC

  • Number of pages

    4

  • Pages from-to

    43-46

  • UT code for WoS article

    000428951000008

  • EID of the result in the Scopus database

    2-s2.0-85044771578