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. 2021 Jul 15;21(14):4824.
doi: 10.3390/s21144824.

Systematic Review of Diagnostic Sensors for Intra-Abdominal Pressure Monitoring

Chien-Hung Liao  1 , Chi-Tung Cheng  1 , Chih-Chi Chen  2 , Yu-Hsin Wang  1 , Hsin-Tzu Chiu  1 , Cheng-Chun Peng  1 , Uei-Ming Jow  1 , Yen-Liang Lai  1 , Ya-Chuan Chen  1 , Dong-Ru Ho  3
Affiliations

Systematic Review of Diagnostic Sensors for Intra-Abdominal Pressure Monitoring

Chien-Hung Liao et al. Sensors (Basel). .

Abstract

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.

Keywords: device; intraabdominal hypertension; intraabdominal pressure; sensors.

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Conflict of interest statement

The authors declare no conflict of interest, and the funders had no role in the design of the study; in the collection, analyses, or interpretation of data; in the writing of the manuscript, or in the decision to publish the results.

Figures

Figure 1
Figure 1
(A) Schematic of a water-/air-filled catheter as the pressure transducer; (B) schematic of a capacitive diaphragm sensor; (C) schematic of a piezoresistive diaphragm sensor; (D) schematic of optical fiber pressure sensors.
Figure 2
Figure 2
The flow diagram of this systematic review.
Figure 3
Figure 3
The summary of risk of bias of included studies.
Figure 4
Figure 4
The risk of bias analysis of included studies.
Figure 5
Figure 5
The characteristic of the included studies.
Figure 6
Figure 6
Schematic of wireless intra-abdominal pressure-monitoring sensor platform that can deliver information to clinical healthcare providers and cloud-based databases.
Figure 7
Figure 7
Schematic of external wireless intra-abdominal pressure-monitoring sensor system.
See this image and copyright information in PMC

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