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Titolo:
The laryngeal mask airway in infants and children
Autore:
Park, C; Bahk, JH; Ahn, WS; Do, SH; Lee, KH;
Indirizzi:
Natl Canc Ctr, Dept Anesthesiol, Koyang, Kyunggi Do, South Korea Natl CancCtr Koyang Kyunggi Do South Korea ang, Kyunggi Do, South Korea Seoul Natl Univ Hosp, Dept Anesthesiol, Seoul 110744, South Korea Seoul Natl Univ Hosp Seoul South Korea 110744 Seoul 110744, South Korea Seoul Natl Univ Hosp, Clin Res Inst, Seoul 110744, South Korea Seoul Natl Univ Hosp Seoul South Korea 110744 Seoul 110744, South Korea
Titolo Testata:
CANADIAN JOURNAL OF ANAESTHESIA-JOURNAL CANADIEN D ANESTHESIE
fascicolo: 4, volume: 48, anno: 2001,
pagine: 413 - 417
SICI:
0832-610X(200104)48:4<413:TLMAII>2.0.ZU;2-9
Fonte:
ISI
Lingua:
ENG
Soggetto:
POSITIVE-PRESSURE VENTILATION; FIBEROPTIC ASSESSMENT; GASTRIC INSUFFLATION; GAS LEAK;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Clinical Medicine
Life Sciences
Citazioni:
20
Recensione:
Indirizzi per estratti:
Indirizzo: Bahk, JH Seoul Natl Univ, Coll Med, Dept Anesthesiol, Chongno Gu, 28 Yongon Dong, Seoul 110744, South Korea Seoul Natl Univ 28 Yongon Dong Seoul South Korea 110744 th Korea
Citazione:
C. Park et al., "The laryngeal mask airway in infants and children", CAN J ANAES, 48(4), 2001, pp. 413-417

Abstract

Purpose: To compare the effectiveness of various laryngeal mask airway (LMA) sizes and their performance during positive pressure ventilation (PPV) in paralyzed pediatric patients. Methods: Pediatric patients (n = 158), < 30 kg, ASA 1 or 2 were studied. After paralysis, an LMA of the recommended size was inserted and connected to a volume ventilator. Fibreoptic bronchoscopy (FOB) was performed and graded: I, larynx only seen; 2, larynx and epiglottis posterior surface seen; 3, larynx. and epiglottis tip or anterior surface seen-visual obstruction ofepiglottis to larynx: ( 50%; 4, epiglottis down-folded, and its anterior surface seen-visual obstruction of epiglottis to larynx: > 50%; 5, epiglottis down-folded and larynx not seen directly. Inspiratory and expiratory tidal volumes (V-T), and airway pressure were measured by a pneumo-tachometer, and the fraction of leakage (F-L) was calculated. In 79 cases. LMA was usedfor airway maintenance throughout surgery. Results: Successful LMA placement was achieved in 98% of cases: three failures were due to gastric insufflation. For FMA # 1, 1.5, 2, and 2.5, FOE grades [median (range)] were 3(1-5), 3(1-5), 1(1-5) and 1(1-3) respectively, In smaller LMAs, the cuff more frequently enclosed the epiglottis (P < .001). F, of LMA # I was higher than those of LMA # 1.5 and LMA # 2.5 (P <less than> .05), and F-L of LMA # 2 was higher than that of LMA # 2.5 (P (.05). In the 79 patients, the number of patients experiencing complications decreased as LMA size increased (P < .05),Conclusion: Use of the LMA in smaller children results in more airway obstruction, higher ventilatory pressures, larger inspiratory leak, and more complications than in older children.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 01/04/20 alle ore 22:50:48