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European Journal of Echocardiography 2007 8(4):241-246; doi:10.1016/j.euje.2007.02.011
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Copyright © 2007, The European Society of Cardiology

Intraoperative evaluation of micromultiplane transesophageal echocardiographic probe in surgery for congenital heart disease

Thierry V. Scohya,*, Diederik Gommersa, A. Derk Jan ten Harkelb, Yvon Derycka, Jackie McGhiec and Ad.J.J.C. Bogersd

aDepartment of Anesthesiology, Erasmus Medical Center, Rotterdam, The Netherlands
bDepartment of Pediatric Cardiology, Erasmus Medical Center, Rotterdam, The Netherlands
cDepartment of Cardiology, Erasmus Medical Center, Rotterdam, The Netherlands
dDepartment of Cardiothoracic Surgery, Erasmus Medical Center, Rotterdam, The Netherlands

Received 5 February 2007; accepted after revision 14 February 2007.

t.scohy{at}erasmusmc.nl

* Corresponding author: Department of Anesthesiology, Room Bd 581, Erasmus Medical Center, P.O. BOX 2040, 3000 CA Rotterdam, The Netherlands. Tel.: +31 324 7351 9413.


  Abstract

Introduction In the last years, transesophageal transducers for multiplane Doppler echocardiography have demonstrated their superior imaging performance in pediatric patients undergoing cardiac surgery. To date, the size of these probes has limited their use in neonates and small children. New technologies allowing performing TEE in smaller patients are therefore promising.

Methods We report our clinical experience with the Oldelft micromultiplane TEE probe (8.2–7mm diameter tip with a 5.2mm diameter shaft) specifically meant for use in neonates.

Results Forty-two patients were examined intra-operatively using the micromulti TEE harmonic transducer. Patients examined ranged in age from 4days to 6years and ranged in weight from 2.5 to 23.8kg. In two patients we had to adapt ventilatory settings because of increased airway resistance after probe insertion. In 3 patients surgical re-intervention was performed due to TEE assessment immediately after weaning from bypass. In two patients significant obstruction of the right ventricular outflow tract was still present after Fallot correction, and one patient had an additional muscular ventricular septal defect still present after VSD closure.

Conclusions The micromulti TEE harmonic transducer provided excellent diagnostic intra-operative TEE in neonates and small children without major complications, special attention should be taken for ventilatory parameters in neonates less than 3kg.

Keywords: TEE; Neonates; Small children

* Financial support: There was no financial support for this study.

** Conflict of interest: There was no conflict of interest.


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