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Anesth Analg ; 118(5): 966-75, 2014 May.
Artigo em Inglês | MEDLINE | ID: mdl-24681660

RESUMO

BACKGROUND: Goal-directed fluid therapy (GDFT) is associated with improved outcomes after surgery. The esophageal Doppler monitor (EDM) is widely used, but has several limitations. The NICOM, a completely noninvasive cardiac output monitor (Cheetah Medical), may be appropriate for guiding GDFT. No prospective studies have compared the NICOM and the EDM. We hypothesized that the NICOM is not significantly different from the EDM for monitoring during GDFT. METHODS: One hundred adult patients undergoing elective colorectal surgery participated in this study. Patients in phase I (n = 50) had intraoperative GDFT guided by the EDM while the NICOM was connected, and patients in phase II (n = 50) had intraoperative GDFT guided by the NICOM while the EDM was connected. Each patient's stroke volume was optimized using 250-mL colloid boluses. Agreement between the monitors was assessed, and patient outcomes (postoperative pain, nausea, and return of bowel function), complications (renal, pulmonary, infectious, and wound complications), and length of hospital stay (LOS) were compared. RESULTS: Using a 10% increase in stroke volume after fluid challenge, agreement between monitors was 60% at 5 minutes, 61% at 10 minutes, and 66% at 15 minutes, with no significant systematic disagreement (McNemar P > 0.05) at any time point. The EDM had significantly more missing data than the NICOM. No clinically significant differences were found in total LOS or other outcomes. The mean LOS was 6.56 ± 4.32 days in phase I and 6.07 ± 2.85 days in phase II, and 95% confidence limits for the difference were -0.96 to +1.95 days (P = 0.5016). CONCLUSIONS: The NICOM performs similarly to the EDM in guiding GDFT, with no clinically significant differences in outcomes, and offers increased ease of use as well as fewer missing data points. The NICOM may be a viable alternative monitor to guide GDFT.


Assuntos
Débito Cardíaco/fisiologia , Colo/cirurgia , Procedimentos Cirúrgicos do Sistema Digestório/métodos , Esôfago/diagnóstico por imagem , Hidratação/métodos , Monitorização Intraoperatória/instrumentação , Monitorização Intraoperatória/métodos , Reto/cirurgia , Idoso , Anestesia/métodos , Período de Recuperação da Anestesia , Ecocardiografia Doppler , Feminino , Objetivos , Humanos , Tempo de Internação , Masculino , Pessoa de Meia-Idade , Dor Pós-Operatória/tratamento farmacológico , Período Pós-Operatório , Estudos Prospectivos , Volume Sistólico/fisiologia , Ultrassonografia Doppler
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