Paediatric anaesthesia · 2012
Spinal anesthesia for noncardiac surgery in infants with congenital heart diseases.
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Kachko Ludmyla, Birk Einat, Simhi Eliahu, Tzeitlin Elena, Freud Enrique, Katz Jacob
Аннотация
OBJECTIVE/AIM: To compare hemodynamic parameters in infants with congenital heart disease (CHD) undergoing noncardiac surgery (NCS) under awake spinal anesthesia (SA) with controls without CHD also undergoing SA.
BACKGROUND: NCS poses a twofold higher mortality risk in infants with CHD. SA might be a good alternative to general anesthesia (GA) in this setting.
METHODS: The files of 84 infants were reviewed; 42 had CHD and 42 were controls without CHD. Primary outcome measures were percent decrease in mean arterial pressure (%MAP decrease) and heart rate (%HR decrease)from baseline to the lowest intraoperative value. One-way analysis of variance(ANOVA), ANOVA with repeated measures, Pearson chi-square test, Fisher's exact test, and Pearson correlation were used for statistical analysis.Time to discharge was analyzed with the nonparametric Mann–Whitney U-test.
RESULTS: There were no significant between-group differences in %MAP decrease and %HR decrease; no significant associations and correlations between %MAP decrease or %HR decrease and other variables; and no correlation between %MAP decrease and %HR decrease. A %MAP decrease of >20% was documented in 11 patients with CHD (26.2%) and 10 controls (23.8%); a lowest intraoperative HR of <100 b.min)1 was recorded in two study patients (4.8%) and four controls (9.5%) (P = NS for both). There were no cases of high SA or conversion to GA and no need for mechanical ventilation or inotropic support intra/postoperatively.
CONCLUSIONS: These preliminary findings show that hemodynamic parameters in infants with CHD undergoing NCS under awake SA are not different from controls without CHD and that SA appears to be safe in infants with CHD.
BACKGROUND: NCS poses a twofold higher mortality risk in infants with CHD. SA might be a good alternative to general anesthesia (GA) in this setting.
METHODS: The files of 84 infants were reviewed; 42 had CHD and 42 were controls without CHD. Primary outcome measures were percent decrease in mean arterial pressure (%MAP decrease) and heart rate (%HR decrease)from baseline to the lowest intraoperative value. One-way analysis of variance(ANOVA), ANOVA with repeated measures, Pearson chi-square test, Fisher's exact test, and Pearson correlation were used for statistical analysis.Time to discharge was analyzed with the nonparametric Mann–Whitney U-test.
RESULTS: There were no significant between-group differences in %MAP decrease and %HR decrease; no significant associations and correlations between %MAP decrease or %HR decrease and other variables; and no correlation between %MAP decrease and %HR decrease. A %MAP decrease of >20% was documented in 11 patients with CHD (26.2%) and 10 controls (23.8%); a lowest intraoperative HR of <100 b.min)1 was recorded in two study patients (4.8%) and four controls (9.5%) (P = NS for both). There were no cases of high SA or conversion to GA and no need for mechanical ventilation or inotropic support intra/postoperatively.
CONCLUSIONS: These preliminary findings show that hemodynamic parameters in infants with CHD undergoing NCS under awake SA are not different from controls without CHD and that SA appears to be safe in infants with CHD.