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Titolo:
Effects of patient-triggered automatic switching between mandatory and supported ventilation in the postoperative weaning period
Autore:
Roth, H; Luecke, T; Lansche, G; Bender, HJ; Quintel, M;
Indirizzi:
Univ Heidelberg, Fac Clin Med, Univ Hosp Mannheim, Dept Anaesthesiol & Intens Care, D-68167 Mannheim, Germany Univ Heidelberg Mannheim Germany D-68167 Care, D-68167 Mannheim, Germany
Titolo Testata:
INTENSIVE CARE MEDICINE
fascicolo: 1, volume: 27, anno: 2001,
pagine: 47 - 51
SICI:
0342-4642(200101)27:1<47:EOPASB>2.0.ZU;2-I
Fonte:
ISI
Lingua:
ENG
Soggetto:
INSPIRATORY PRESSURE SUPPORT; PROPORTIONAL ASSIST VENTILATION; MECHANICAL VENTILATION; TUBE COMPENSATION; ADDITIONAL WORK; AIRWAY PRESSURE; TIDAL VOLUME; PATTERN; SYSTEM;
Keywords:
automatic weaning; interactive ventilation; clinical study;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Clinical Medicine
Citazioni:
19
Recensione:
Indirizzi per estratti:
Indirizzo: Roth, H Univ Heidelberg, Fac Clin Med, Univ Hosp Mannheim, Dept Anaesthesiol & Intens Care, Theodor Kutzer Ufer 1-3, D-68167 Mannheim, Germany Univ Heidelberg Theodor Kutzer Ufer 1-3 Mannheim Germany D-68167
Citazione:
H. Roth et al., "Effects of patient-triggered automatic switching between mandatory and supported ventilation in the postoperative weaning period", INTEN CAR M, 27(1), 2001, pp. 47-51

Abstract

Objective: To compare two ventilator settings in the postoperative weaningperiod. Patient-triggered automatic switching between controlled ventilation and supported spontaneous breathing (Automode, AM) was compared to synchronised intermittent mandatory ventilation (SIMV) with stepwise manual adjustment of mandatory frequency according to the breathing activity. Design: Prospective clinical investigation. Setting: Eighteen-bed intensive care unit in a university hospital. Patients: Forty postoperative patients with healthy lungs who had undergone brain tumour surgery. Interventions: Randomisation either to the AM or SIMV weaning procedure after entering the ICU. Measurements and results: Total weaning time and number of manipulations on the ventilator were observed. Cardiocirculatory and respiratory parameters were measured consecutively at five points during the weaning period. No significant differences were seen for cardiocirculatory parameters, airway pressures and oxygenation between the two groups. There was a trend to shorter weaning times with AM (136 +/- 46 min vs 169 +/- 68 min, n.s.), the average number of manipulations on the ventilator was lower (0.55 +/- 0.69 vs 5.05 +/- 1.19,p < 0.001) and arterial partial pressure of carbon dioxide (PaCO2) levels showed fewer variations in the late phase of the weaning period (39.5 +/- 3.1 vs 38.3 +/- 7.2, p < 0.001 for differences in variance). Conclusions: Automatic, patient-triggered switching between controlled andsupported mode of ventilation can be used for postoperative weaning of neurosurgical patients with healthy lungs. Compared to a SIMV weaning procedure, fewer manipulations on the ventilator are necessary and individual adaptation of ventilation seems to be more accurate.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 03/08/20 alle ore 15:42:53