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CURRENT ISSUEMINERVA ANESTESIOLOGICA

A Journal on Anesthesiology, Resuscitation, Analgesia and Intensive Care


Official Journal of the Italian Society of Anesthesiology, Analgesia, Resuscitation and Intensive Care
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Minerva Anestesiologica 1998 July-August;64(7-8):351-6

CRITICAL AND INTENSIVE THERAPY 

 ORIGINAL ARTICLES

Car­diac ­output mon­i­toring: esoph­a­geal Dop­pler vs ther­mo­di­lu­tion

Leone D., Servillo G., De Robertis E., Rossano F., Tufano R.

Università degli Studi «Federico II» - Napoli, Facoltà di Medicina e Chirurgia, Cattedra di Anestesia, Rianimazione e Terapia Intensiva

Objec­tive. Eval­u­a­tion of con­tin­uous car­diac ­output mon­i­toring ­based on the esoph­a­geal Dop­pler in the crit­i­cally ill.
­Design. Pros­pec­tive clin­ical inves­ti­ga­tion.
Set­ting. An inten­sive ­care ­unit of an Uni­ver­sity hos­pital.
­Patients. Ten crit­i­cally ill ­patients who ­needed pul­mo­nary ­artery cath­et­er­iza­tion.
Meas­ure­ments. Car­diac ­output was mon­i­tored con­tin­u­ously by a tran­se­soph­a­geal Dop­pler ­device, con­sisting of an esoph­a­geal ­probe and a bed­side micro­pro­cessor ­that cal­cu­lated car­diac ­output ­using a new algo­rithm. Stan­dard ­bolus ther­mo­di­lu­tion tech­nique (10 ml of ­saline solu­tion) was ­used to com­pare the con­tin­uous Dop­pler car­diac ­output meas­ure­ment ­with the inter­mit­tent ­bolus meas­ure­ment.
­Main ­results. A ­total of 50 ­pairs of inter­mit­tent (­bolus) car­diac ­output and con­tin­uous (Dop­pler) car­diac ­output meas­ure­ments ­were ­obtained ­from the 10 ­patients. The ­mean ­value of CO meas­ured ­with TD was 5.81±0.83, ­while ­using esoph­a­geal Dop­pler was 5.84±0.81. The cor­re­la­tion coef­fi­cient of the two ­methods was r=0.93. The ­Bland and ­Altman ­showed 95% of agree­ment ­limits as +0.52 and -0.64 L/min.
Con­clu­sions. Con­tin­uous mon­i­toring of car­diac ­output ­using esoph­a­geal Dop­pler has ­proven to be ­safe, accu­rate, and pre­cise ­when com­pared ­with the stan­dard inter­mit­tent ­bolus ther­mo­di­lu­tion tech­nique. The con­tin­uous mon­i­toring tech­nique ­improves our arma­men­tarium for ­more inten­sive mon­i­toring of the crit­i­cally ill ­patients.

language: Italian


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