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Revista americana de medicina respiratoria
versión On-line ISSN 1852-236X
Resumen
BORSINI, Eduardo et al. Non-Invasive Ventilation in a Regular Hospital Ward. Rev. am. med. respir. [online]. 2022, vol.22, n.3, pp.289-297. ISSN 1852-236X. http://dx.doi.org/10.56538/dava2524.
Introduction:
Clinical experience has allowed the use of non-invasive ventilation out side the acute-care setting. We describe the clinical profile and evolution of patients who received non-invasive ventilation in a regular ward.
Materials and methods:
Retrospective study in patients with ventilatory support for one year in a general hospital.
Results:
Non-invasive ventilation was delivered to 43 patients, 67.4% of which had hy percapnia. The male/female ratio was 1:1. Age and BMI (Body Mass Index) were 68.3 ± 12.4 years and 30.1 ± 12.3 kg/m2, and the main diagnoses were chronic obstructive pulmonary disease, neuromuscular disease and obesity-hypoventilation. One third of patients began non-invasive ventilation in the Intensive Care Unit, and two thirds had been using non-invasive ventilation at their homes before being admitted with exacerba tion of chronic obstructive pulmonary disease (39.5%) or disease progression (14%). Hospital length of stay was 12.1 ± 7 d (14 ± 9 in survivors and 5.7 ± 3 in deceased pa tients). Arterial blood gas analysis on admission showed: PaCO2 (partial pressure of ar terial carbon dioxide), 52.7 ± 13.7 mmHg; PaO2 (partial pressure of arterial oxygen), 72.2 ± 16.2 mmHg, and pH, 7.36 ± 0.08. A pH level < 7.35 was found in 18.6%, and PaCO2 > 45 in 57.4%. PaCO2 values upon discharge were lower (46.1 ± 4.6; p > 0.05). The ST (spontaneous-timed) mode was used in 34 patients (79%). The ventilation period was 12.7 ± 10.2 days, using 6.9 ± 3.1 h/d. One third of patients received palliative care (13.9% of mortality). Three patients (7%) were transferred to the Intensive Care Unit due to clinical decline, and thirty-five were discharged with chronic ventilation (94.6%).
Conclusions:
there were few referrals to the Intensive Care Unit. Hospital mortality was low, and patients who died had advance directives.
Palabras clave : Non-invasive ventilation; Respiratory failure; Mortality.