A concise overview of non-invasive intra-abdominal pressure measurement techniques: from bench to bedside

Tayebi, Salar; Gutiérrez, Adrián; Mohout, Ikram; Smets, Evelien; Wise, Robert; Stiens, Johan; Malbrain, Manu L N G

doi:10.1007/s10877-020-00561-4

Cited by 23 publications

(20 citation statements)

References 37 publications

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“…If the abdominal cavity is considered a cylindrical pressure vessel (abdominal wall thickness < radius/4), the abdominal wall tension = (external pressure -internal pressure) radius/abdominal wall thickness. 9,13,20 Our results are similar to those of some previous studies. In the pre-experiment of van Ramhorst et al 23 in 2008, the AWT of 7 points on the abdominal wall of 2 corpses was measured by noninvasive AWT measurement equipment with a tensiometer for the first time.…”

Section: Discussionsupporting

confidence: 92%

“…11,12 According to the latest literature, noninvasive IAP measurement techniques can be generally classified into three categories: 1) strain gauge, respiratory inductance plethysmography (RIP) and tensiometer; 2) ultrasoundbased techniques (ultrasound tonometry, ultrasound assessment of the abdominal wall in combination with external pressure, ultrasound Doppler tonometry, laser-ultrasound, microwave reflection); and 3) bio-electrical impedance and microwave reflectometry. 13 Currently, wireless motility capsules, digital image correlation, and laser ultrasound cannot be proposed as the best measurement techniques, mainly due to the lack of validation and clinical research. The RIP, strain gauge and Doppler ultrasound tonometry for IAP estimation are not reliable or accurate enough to be used in clinical practice.…”

Section: Introductionmentioning

confidence: 99%

“…The tensiometry is compact, portable, easy to use and has the most data from previous studies, so the tension meter may be the best choice. 13,14 We hope to use the novel noninvasive abdominal wall tension measurement device to quantitatively measure AWT and analyze its relationship with IVP (the gold standard for intra-abdominal pressure) and abdominal infection complications to provide a scientific basis for further research on the clinical value of AWT.…”

Section: Introductionmentioning

confidence: 99%

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A New Device for Measuring Abdominal Wall Tension and Its Value in Screening Abdominal Infection

Tang

Liu

et al. 2021

MDER

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Objective: This study is the largest clinical study of noninvasive Abdominal wall tension (AWT) measurement with a tensiometer to date. It also initially applies a polynomial regression equation to analyze the correlation between AWT measurement and intravesical pressure (IVP) measurement and remarkably finds interesting changes between different IVP intervals and AWT. Methods: Critically ill patients who were treated in the intensive care unit (ICU) of Daping Hospital, Army Medical University, from August 30, 2018, to June 30, 2020, and met the inclusion criteria were prospectively included in this study. The patients were divided into an intra-abdominal hypertension group and a non-intra-abdominal hypertension group and an abdominal infection group and no abdominal infection group. AWT and IVP were measured at 9 points on the abdominal wall on the first day after admission to the ICU. The correlations between AWTs and IVP were analyzed, and the role of AWT in the diagnosis of complications of abdominal infection and the prediction of adverse prognosis were analyzed. Results: A total of 127 patients were included. The average AWT and IVP were 2.77±0.38 N/mm and 12.31±7.01 mmHg, respectively, on the first day of admission. There was a positive correlation between AWT and IVP (correlation coefficient r = 0.706, p < 0.05). The polynomial regression model was AWT= -1.616×10 −3 IVP 2 +8.323×10 −2 IVP+2.094. The cutoff value of the sensitivity and specificity of AWT for the diagnosis of abdominal infection was 2.57 N/mm. Furthermore, AWT = 2.57 N/mm had the best diagnostic efficiency, which was better than that of IAH and lactate. Conclusion:There was a correlation between AWT and IVP. AWT measurement was helpful in the diagnosis of IAH and abdominal infection complications and can therefore serve as a new method for the clinical diagnosis of IVP and abdominal infection.

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Section: Discussionsupporting

confidence: 92%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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A New Device for Measuring Abdominal Wall Tension and Its Value in Screening Abdominal Infection

Tang

Liu

et al. 2021

MDER

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“…The abdominal wall occupies most of the soft border of the abdominal cavity and plays a major role in AC. Therefore, the assessment of AWT is even more important for AC [8,9,18]. In addition, with the vigorous development of abdominal surgery, technical updates, and a broader understanding of abdominal wall anatomy and physiology in recent years, there is also an urgent need for technology that can evaluate AWT [4,[19][20][21].…”

Section: Discussionmentioning

confidence: 99%

Polynomial Regression Model Analysis of Abdominal Wall Tension and Intra-abdominal Pressure in Critically ill Patients

Tang

Zhao

Zhang

et al. 2021

Preprint

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BackgroundAbdominal wall tension (AWT) plays an important role in the pathogenesis of abdominal compliance (AC). This study uses a polynomial regression model to analyze the correlation between intra-vesical pressure(IVP) and AWT in critically ill patients and provides new ideas for the diagnosis and treatment of critically ill patients with intra-abdominal hypertension（IAH）.MethodsA retrospective analysis was conducted in critically ill patients who met the inclusion criteria and were admitted to the Department of intensive care unit of Daping Hospital of Army Medical University from March 14, 2019, to May 23, 2020. According to the IVP on the first day of ICU admission and death within 28 days, the patients were divided into the IAH group (IVP ≥12 mmHg), the non-IAH group, the survival group and the nonsurvival group. The demographic and clinical data, prognostic indicators, AWT and IVP on days 1-7 after entering the ICU, IAH risk factors, and 28-day death risk factors were collected.ResultsA total of 100 patients were enrolled, with an average age of 45.59±11.4 years. There were 55 males (55%), 30 patients from departments of internal medicine (30%), 43 patients from surgery departments (43%), and 27 trauma patients (27%). In the IAH group, there were 50 patients (29 males, 58%), with an average age of 45.28±12.27 years; there were 50 patients (26 males, 52%) in the non-IAH group, with an average age of 45.90±10.58 years. The IVP on the 1st day and the average IVP within 7 days of the IAH group was 18.99（17.52，20.77）mmHg and 19.43（16.87，22.25）mmHg, respectively, which was higher than that of the non-IAH group [ 6.14（3.48，8.70）mmHg, 6.66（2.74，9.08）mmHg], p＜0.001. The AWT on the 1st day and the average AWT within 7 days of the IAH group was 2.89±0.32 N/mm and 2.82±0.46 N/mm, respectively, which was higher than that of the non-IAH group [(2.45±0.29)N/mm,(2.43±0.39)N/mm],p＜0.001.The polynomial regression models showed that the average AWT and IVP on the 1st day and within 7 days were AWTday1 = -2.450×10-3IVP2+9.695×10-2 IVP+2.046，r=0.667（p＜0.0001），and AWTmean = -2.293×10-3IVP2+9.273×10-2 IVP+2.081, respectively. The logistic regression analysis showed that AWTday1 of 2.73-2.97 N/mm increased the patient's 28-day mortality risk (OR: 6.834; 95%: 1.105-42.266, p=0.010).ConclusionsThere is a nonlinear correlation between AWT and IVP in critically ill patients, and a high AWT may indicate poor prognosis.

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“…Diaphragm displacement sensors [ 27 , 30 , 31 ] ( Figure 1 B) have a bendable flat surface (i.e., the diaphragm) and are exposed to the pressure medium on one side. For a pressure sensor, the opposite side is a sealed cavity.…”

Section: Introductionmentioning

confidence: 99%

Systematic Review of Diagnostic Sensors for Intra-Abdominal Pressure Monitoring

Liao

Cheng

Chen

et al. 2021

Sensors

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Intra-abdominal pressure (IAP) is defined as the steady-state pressure within the abdominal cavity. Elevated IAP has been implicated in many medical complications. This article reviews the current state-of-the-art in innovative sensors for the measurement of IAP. A systematic review was conducted on studies on the development and application of IAP sensors. Publications from 2010 to 2021 were identified by performing structured searches in databases, review articles, and major textbooks. Sixteen studies were eligible for the final systematic review. Of the 16 articles that describe the measurement of IAP, there were 5 in vitro studies (31.3%), 7 in vivo studies (43.7%), and 4 human trials (25.0%). In addition, with the advancement of wireless communication technology, an increasing number of wireless sensing systems have been developed. Among the studies in this review, five presented wireless sensing systems (31.3%) to monitor IAP. In this systematic review, we present recent developments in different types of intra-abdominal pressure sensors and discuss their inherent advantages due to their small size, remote monitoring, and multiplexing.

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A concise overview of non-invasive intra-abdominal pressure measurement techniques: from bench to bedside

Cited by 23 publications

References 37 publications

A New Device for Measuring Abdominal Wall Tension and Its Value in Screening Abdominal Infection

A New Device for Measuring Abdominal Wall Tension and Its Value in Screening Abdominal Infection

Polynomial Regression Model Analysis of Abdominal Wall Tension and Intra-abdominal Pressure in Critically ill Patients

Systematic Review of Diagnostic Sensors for Intra-Abdominal Pressure Monitoring

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