Nitroglycerin can facilitate weaning of difficult-to-wean chronic obstructive pulmonary disease patients: a prospective interventional non-randomized study

Table 1 Characteristics of the patients with chronic obstructive pulmonary disease

Patient	Days of MV	ET ID, mm	MIP, cm H₂O	Cause of acute respiratory failure/Prior cardiovascular disease	Failed trial duration on Control day, minutes	Weaning trial outcome on Study day	Extubation outcome	ICU outcome
1	15	9	-20	GI hemorrhage/ Hypertension	10	S	S	A
2	11	8	-40	AAA repair/ Hypertension, CAD	30	S	S	A
3	9	8.5	-25	Acute exacerbation/ None	15	S	S	A
4	5	8.5	-30	Acute exacerbation/ CP	30	S	S	A
5	28	8^a	-25	Acute exacerbation/ Hypertension, CP	110	S	NA	D
6	8	8.5^a	-30	Acute exacerbation/ None	60	S	NA	A
7	9	8.5^a	-28	Acute exacerbation/ CAD	45	S	NA	A
8	6	8	-30	Acute exacerbation/ CAD	110	S	S	A
9	10	8	-40	Acute exacerbation/ Hypertension, CP	60	S	S	A
10	9	8	-50	Acute exacerbation/ Hypertension	30	S	S	A
11	12	7.5	-22	Gastrectomy/ None	30	F	NA	A
12	10	8.5	-30	Acute exacerbation/ CAD	55	S	F	D

^a, tracheostomy tube; A, alive; AAA, abdominal aortic aneurysm; CAD, coronary artery disease; CP, cor pulmonale; D, died; ET, endotracheal tube; F, failure; GI, gastrointestinal; ICU, intensive care unit; ID, internal diameter of tracheostomy tube; MIP, maximum inspiratory pressure; MV, mechanical ventilation; NA, not applicable; S, success.

ISSN: 1364-8535