PMID: 9449439Feb 4, 1998Paper

Direct measurement of intra-abdominal pressure in various conditions

The European Journal of Surgery = Acta Chirurgica
A ShafikW M Sharaf

Abstract

To standardise a direct method for measuring intra-abdominal pressure (IAP), to correlate the results with intrarectal pressure, and to compare the results in various conditions. Prospective open study. Teaching hospital, Egypt. 34 Subjects in 4 groups: control (n = 11), hernia (n = 8; 6 umbilical and 2 incisional), mass (n = 7; 6 enlarged spleen and 1 carcinoma of sigmoid), and obese (n = 8; a mean of 40% above expected weight). Measurement of IAP with a Verres needle connected to a pressure transducer with the patient at rest, straining, supine, erect, and before and after anaesthesia. Intrarectal pressure was measured simultaneously. Reproducibility and correlation between the two measurements. The hernia group had significantly lower IAP than controls both at rest and on straining (mean (SD) 2.7 (1.5) cm H2O compared with 7.0 (5.09) and 6.1 (2.7) compared with 20.5 (7.9), p < 0.01 in each case). Neither the mass nor the obese group differed from the controls at rest, but the pressure was higher on straining (31.2 (1.4) and 33.5 (2.07) cm H2O, respectively, compared with 21.9 (7.3), p < 0.05 in each case). There was a significant drop in IAP after anaesthesia in all groups, and no significant difference between intrarectal p...Continue Reading

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