Effect of bladder volume on measured intravesical pressure: a prospective cohort study

Table 2 Incidence of intra-abdominal hypertension and abdominal compartment syndrome related to different instillation volumes for IAP estimation

	Bladder Instillation Volume
	300 ml	275 ml	250 ml	225 ml	200 ml	175 ml	150 ml	125 ml	100 ml	75 ml	50 ml	25 ml	0 ml
IAH	92.3%	92.3%	84.6%	69.2%	69.2%	53.8%	30.8%	23.1%	23.1%	23.1%	23.1%	15.4%	15.4%
ACS	53.8%	46.2%	30.8%	15.4%	15.4%	15.4%	7.7%	0.0%	0.0%	0.0%	0.0%	0.0%	0.0%

The percentages were calculated using the WSACS suggested thresholds and definitions [7] and were based on the mean intra-abdominal pressure (IAP) values obtained in each patient.

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