Feasibility of titrating PEEP to minimum elastance for mechanically ventilated patients

Table 1 Patient demographics and clinical details

Patient	Sex	Age	Clinical diagnostic	PF ratio (mmHg)	APACHE II	SAPS II	FiO₂	Clinically selected PEEP	Heart rate (bpm)^a	Blood pressure systolic (mmHg)^a	Blood pressure diastolic (mmHg)^a	PaO₂ before RM (mmHg)	PaO₂ 30 min after RM (mmHg)
1	F	61	Peritonitis, COPD	209	18	41	0.35	10	73	122	64	73	60
2	M	22	Trauma	170	12	25	0.50	12	93	143	72	85	73
3	M	55	Aspiration	223	21	44	0.35	10	87	131	81	78	76
4	M	88	Pneumonia, COPD	165	24	42	0.40	10	98	168	51	66	56
5	M	59	Pneumonia, COPD	285	23	50	0.40	12	91	102	63	114	79
6	M	69	Trauma	280	18	44	0.35	11	89	118	51	98	118
7	M	56	Legionnaires	265	18	34	0.55	7.5	102	165	70	146	68
8	F	54	Aspiration	303	23	49	0.40	12	104	172	71	121	106
9	M	37	H1N1, COPD	183	13	21	0.40	10	96	125	55	73	86
10	M	56	Legionnaires, COPD	237	18	33	0.35	10	64	112	50	83	83
Median [IQR]				230 [183–280]								84.0 [73.0–114.0]	77.5 [68.0–86.0]

^aValues are in median.
Abbreviations: APACHE II acute physiology and chronic health evaluation II, bpm beats per minute, COPD chronic obstructive pulmonary disease, FiO₂ fraction of inspired oxygen, IQR interquartile range, PaO₂ partial pressure of oxygen in arterial blood, PEEP positive end-expiratory pressure, PF ratio partial pressure of oxygen in arterial blood/fraction of inspired oxygen, RM recruitment manoeuvre, SAPS II simplified acute physiology score II.

ISSN: 2055-5784