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Titolo:
Advanced pulse oximeter signal processing technology compared to simple averaging. I. Effect on frequency of alarms in the operating room
Autore:
Rheineck-Leyssius, RT; Kalkman, CJ;
Indirizzi:
Twenteborg Hosp, Dept Anesthesiol, NL-7600 SZ Almelo, Netherlands Twenteborg Hosp Almelo Netherlands NL-7600 SZ 600 SZ Almelo, Netherlands
Titolo Testata:
JOURNAL OF CLINICAL ANESTHESIA
fascicolo: 3, volume: 11, anno: 1999,
pagine: 192 - 195
SICI:
0952-8180(199905)11:3<192:APOSPT>2.0.ZU;2-1
Fonte:
ISI
Lingua:
ENG
Soggetto:
FALSE ALARMS; CARE UNIT; POSTANESTHESIA;
Keywords:
alarms; artifact; hypoxemia; monitoring : pulse oximetry;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Clinical Medicine
Citazioni:
11
Recensione:
Indirizzi per estratti:
Indirizzo: Rheineck-Leyssius, RT Twenteborg Hosp, Dept Anesthesiol, POB 7600, NL-7600SZ Almelo, Netherlands Twenteborg Hosp POB 7600 Almelo Netherlands NL-7600 SZ
Citazione:
R.T. Rheineck-Leyssius e C.J. Kalkman, "Advanced pulse oximeter signal processing technology compared to simple averaging. I. Effect on frequency of alarms in the operating room", J CLIN ANES, 11(3), 1999, pp. 192-195

Abstract

Study Objective: To determine the effect of a neu signal processing technique (Oxismart(TM) Nellcor, Inc., Pleasanton, CA) on the incidence of false pulse oximeter alarms in the operating room (OR). Design: Prospective observational study. Setting: Nonuniversity hospitalPatients: 53 ASA physical status I, II, and III consecutive patients undergoing general anesthesia with tracheal intubation. Measurements and Main Results: In the OR we compared the number of alarms produced by a recently developed third generation pulse oximeter (Nellcor Symphony(TM) N-3000) with Oxismart(TM) signal processing technique and a conventional pulse oximeter (Criticare(TM) 504). Three pulse oximeters were used simultaneously in each patient: a Nellcor pulse oximeter, a. Criticare with the signal averaging time set at 3 seconds (Criticare(average3s)) and asimilar unit with the signal averaging time set at 21 seconds (Criticare(average21s)). For each pulse oximeter, the number of false (artifact) alarmswas counted. One false alarm was produced by the Nellcor (duration 55 sec)and one false alarm by the Criticare(average21s) monitor (5 sec). The incidence of false alarms was higher in Criticare(average3s) In eight patients,Criticare(average3s) produced 20 false alarms (p < 0.01). Conclusions: Our study did not show a beneficial effect in the OR on the incidence of false alarms of the Nellcor monitor with Oxismart(TM) signal processing compared with the Criticare monitor with the longer averaging timeof 21 seconds. (C) 1999 by Elsevier Science Inc.

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Documento generato il 01/10/20 alle ore 16:05:05