Short-term effects of positive end-expiratory pressure on breathing pattern: an interventional study in adult intensive care patients

Table 1 Patient characteristics

Patient	Sex	Age (years)	Reason for intubation	Underlying disease	Duration MV (days)	BSA (m²)	PaO₂/FiO₂ (kPa/fraction)	C_rs (ml/cmH₂O)	R_aw (cmH₂O·s/l)
BP	m	57	Coma	Liver cirrhosis	3	2.1	27	65	1.1
BW	m	68	ACBG	CAD	<1	1.96	36	77	1.8
BP	f	69	ACBG	CAD	2	1.82	29	54	2.5
CA	f	56	Variceal bleeding	Liver cirrhosis	<1	1.87	39	88	1.2
FW	m	58	ACBG	CAD	<1	2.06	30	71	2.1
FA	f	65	Coma	Diabetes mellitus	2	1.81	50	95	2.2
HH	m	70	ACBG	CAD	<1	1.74	45	67	1.8
JH	m	69	ACBG	CAD	<1	2	30	55	2.0
MG	m	65	Valve replacement	Aortic stenosis	<1	1.92	30	64	1.9
PB	m	60	ACBG	CAD	<1	2.2	45	90	1.9
PJ	m	66	ACBG	CAD	<1	1.93	47	73	2.3
SH	f	65	ACBG	CAD	<1	1.86	44	70	2.8
SE	m	78	Coma	Poisoning	6	2.05	30	83	1.9
PW	m	55	Valve replacement	Aortic regurgitation	<1	1.92	43	62	1.7
HM	f	67	ACBG	CAD	<1	1.84	33	90	2.1
HN	m	65	Valve replacement	Aortic stenosis	<1	1.78	56	57	2.3
BR	f	66	ACBG	CAD	<1	1.65	31	90	1.5
CF	m	33	ARI	Pneumonia	5	1.81	13	33	1.9
DM	f	76	ARI	Pneumonia	7	1.9	31	29	2.5
EW	m	53	Resuscitation	CAD, MI	2	1.94	19	47	2.1
FA	m	54	ARI	Pneumonia	12	2.11	25	35	3.0
RS	m	53	ARI/ARDS	Pneumonia	17	2.04	19	21	1.7
MA	m	20	ARI/ARDS	Pneumonia	13	1.88	23	35	1.4
PP	m	31	Resuscitation	CAD, AMI	6	2.15	23	41	2.3
PU	m	51	ARI	Pneumonia	13	1.97	19	48	2.6
SM	m	70	ARI	Pneumonia	4	1.87	14	19	2.1
SE	f	63	ARI/ARDS	Pneumonia	28	1.92	12	25	2.4
OE	f	63	ARI/ARDS	Pneumonia	22	1.92	23	31	1.8
TR	f	68	Coma	CNS^j haemorrhage	2	1.89	45	47	2.9
WB	f	53	ARI/ARDS	Pneumonia	10	1.34	32	28	2.7

ACBG, aorto-coronary bypass grafting; AMI, acute myocardial infarction; ARDS, acute respiratory distress syndrome; ARI, acute respiratory insufficiency; BSA, body surface area; CAD, coronary artery disease; CNS, central nervous system; C_rs, compliance of the respiratory system; FiO₂, fractional inspired oxygen; MV, mechanical ventilation; PaO₂, arterial oxygen tension; R_aw, airway resistance (beyond the resistance of the endotracheal tube).

ISSN: 1364-8535