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Conventional and conventional plus modified ultrafiltration during cardiac surgery in high-risk congenital heart

M A Maluf1, C Mangia, C Silva

  • 1Division of Cardiovascular Surgery, Universidade Federal de São Paulo, Rua Apeninos, 930 Conj 182, Paraiso, CEP 045104-020, São Paulo, Brazil. miguel@bes-way.com.br

The Journal of Cardiovascular Surgery
|July 17, 2001
PubMed

Insights

Conventional ultrafiltration (CUF) and modified ultrafiltration (MUF) are safe for pediatric cardiac surgery. Both techniques effectively stabilize patients, with MUF showing greater fluid removal but no significant differences in clinical outcomes.

Area of Science:

  • Cardiology
  • Pediatric Surgery
  • Critical Care Medicine

Background:

  • Cardiopulmonary bypass (CPB) in pediatric cardiac surgery can lead to fluid overload and inflammation.
  • Conventional ultrafiltration (CUF) during CPB helps reduce excess body water.
  • Modified ultrafiltration (MUF) after CPB may remove inflammatory mediators and improve hemodynamics.

Purpose of the Study:

  • To critically assess the efficiency of CUF and MUF techniques in pediatric congenital heart disease surgeries.
  • To compare the clinical outcomes of CUF versus CUF combined with MUF (CUF+MUF) in young patients undergoing CPB.

Main Methods:

  • A prospective nonrandomized study involving 41 patients (9-36 months) undergoing cardiac defect correction with CPB.
  • Patients were divided into two groups: CUF (ultrafiltration during CPB) and CUF+MUF (ultrafiltration during and after CPB).
  • Outcomes compared included ventilator support, pediatric intensive care unit (PICU) stay, hospital stay, and transfusion requirements.

Main Results:

  • The CUF+MUF group demonstrated significantly greater ultrafiltrate volume compared to the CUF group.
  • No statistically significant differences were found between the groups in terms of ventilatory support, PICU stay, or hospital stay.
  • Transfusion requirements, hematocrit, and platelet counts did not differ significantly between the CUF and CUF+MUF groups.

Conclusions:

  • Both CUF and CUF+MUF are safe and effective methods for patient stabilization in congenital heart disease surgery.
  • The choice of technique appears independent of surgical diagnosis or complexity.
  • Further research with larger patient populations is recommended to explore various clinical variables.
Abstract

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