Modified Ultrafiltration Technique in Valvular Heart Surgery: A Case Series

Made Ryan Kharmayani, Ratna Farida Soenarto, Anas Alatas, Muhammad Arza Putra

Research output: Contribution to journalArticlepeer-review

Abstract

Application of cardiopulmonary bypass (CPB) in cardiac surgery may cause systemic inflammatory reactions, possibly causing clinical sequelae and multiple organ failures such as systolic or diastolic dysfunction, regional or global left ventricle or right ventricle low contractility, and the function of vascular tone. The use of drugs (i.e., corticosteroids) and the ultrafiltration method during the CPB application has been known to prevent or minimize the complication of CPB in cardiac surgery. One of the non-pharmacological approaches to minimize those inflammatory responses is the modified ultrafiltration (MUF) technique. Theoretically, this is due to ultrafiltration which may reduce the interstitial fluid and inflammatory mediator. MUF can be used to counteract inflammatory responses in pediatric cardiac surgery. This ultrafiltration method became a recommended procedure in minimally invasive surgery and conventional open-heart surgery. However, studies about effectiveness in adults are limited. In this case series, the MUF technique was used in three patients who underwent valvular heart surgery with a CPB machine. Following the application of the CPB, the MUF technique is performed for 10 min at a speed of no more than 10% full flow. Hemodynamic measurements and interleukin-6 (IL-6) levels were taken during surgery and 24 h post-CPB. At 24 h post-CPB, the vasoactive inotropic score and duration of mechanical support use were less than 20 and 18–24 h, respectively, and the IL-6 level ranged from 7.22 to 14.22 pg/mL. The cardiac index increased, ranging from 2.43 to 3.47

Original languageEnglish
Pages (from-to)185-189
Number of pages5
JournalBali Journal of Anesthesiology
Volume8
Issue number3
DOIs
Publication statusPublished - 2024

Keywords

  • Cardiopulmonary bypass
  • inflammation
  • interleukin-6
  • modified ultrafiltration

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