Journals / Türk Göğüs Kalp Damar Cerrahisi Dergisi / 2009 / Cilt: 17 - Sayı: 3

Low molecular weight hydroxyethyl starch infusion during open heart surgery

Düşük molekül ağırlıklı hidroksietil nişastanın açık kalp ameliyatlarında kullanımı

Pages
162–166
Publication Date
2022-09-02
DOI
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AI Summary & Key Takeaways

AI Insight
⚡ TL;DR(Too Long; Didn't Read)

Medium size HES is more effective for oncotic pressure maintenance.

📌 3 Key Takeaways

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Objective & Hypothesis:Background: The aim of this study was to evaluate the effects of low molecular weight hydroxyethyl starch (HES) and other colloids on hemodynamic parameters, coagulation factors, liver and renal function tests and colloid oncotic pressure (COP) values and also to compare these parameters to each other.
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Key Findings & Data:Methods: We randomized 60 patients who would have coronary bypass or valve replacement operation as group Gelofusine (Gelatine infusion), group Isohes (Medium size molecular HES infusion), and group Voluven (low molecular weight HES infusion).
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Conclusion & Impact:Medium size HES is more effective for oncotic pressure maintenance.
🔬Design:Research Article
📍Scope:Comprehensive Sample
⚙️Variables:Domain Parameters

Abstract

Background: The aim of this study was to evaluate the effects of low molecular weight hydroxyethyl starch (HES) and other colloids on hemodynamic parameters, coagulation factors, liver and renal function tests and colloid oncotic pressure (COP) values and also to compare these parameters to each other. Methods: We randomized 60 patients who would have coronary bypass or valve replacement operation as group Gelofusine (Gelatine infusion), group Isohes (Medium size molecular HES infusion), and group Voluven (low molecular weight HES infusion). The same type of colloid was used as open heart machine priming solution, during anesthesia maintenance as well as intensive care period. The highest infusion rates were 30 ml/kg/24 hour in Isohes and Gelofusion, and 50 ml/kg/24 hour in Voluven group if needed. Blood samples were taken to evaluate ABG, Hb, Htc, Plt, fibrinogen and COP levels during the 1st period (preoperative), 2nd period (going on pump) 3rd period (coming off pump), 4th period (early postoperative) and 5th period (postoperative first 24 hours). Hemodynamic parameters were recorded at the same time intervals. PT, aPTT, INR, BUN, creatinine, SGOT, and SGPT were measured preoperatively and the first 24 hours post-operatively. Results: No statistical significance was detected between three groups regarding demographic characteristics, hemodynamic parameters, the length of pump and aorta clamping period, blood loss, Hb, Htc, Cretinine, BUN, SGOT, and SGPT values. PT, aPTT and INR values were similar in all groups, but fibrinogen values during the pump exiting was significantly higher in the Gelofucin and the Isohes groups than the Voluven group. In addition, COP values were significantly higher in the Gelofucine and Isohes groups than the Voluven group during coming off pump period and it was significantly higher in the Isohes group than the other two groups both during the pump exiting period and at the postoperative 24th hour. The within-group comparison with respect to COP in the Gelofucine and the Isohes groups in the periods 2, 3, 4 were found to be significantly low. But values were similar in the 5th period. In the Voluven group all values were found to be low compared to the beginning period. Conclusion: Low molecular weight HES can be infused safely during cardiac surgery for hemodynamic stabilization like medium size molecular HES and Gelatines. The 50 ml/kg/24 hour dose might be preferred especially for patients who need large infusion doses. Medium size HES is more effective for oncotic pressure maintenance.

Özet

Amaç: Açık kalp cerrahisinde yeni kullanıma giren düşük molekül ağırlıklı Hidroksietil (HE) nişasta ile sık kullandığımız kolloidler karşılaştırıldı ve hemodinamik değerlere, kan pıhtılaşma faktörlerine, karaciğer ve böbrek fonksiyonu üzerine ve kolloid onkotik basınç (KOB) değerlerine etkileri kıyaslandı. Çalışma planı: Koroner bypass veya kapak ameliyatı geçirecek 60 hasta randomize olarak grup Gelofusin (Jelatin), grup Isohes (orta molekül ağırlıklı HE nişasta) ve grup Voluven (düşük molekül ağırlıklı HE nişasta) olmak üzere üç eşit gruba ayrıldı. Açık kalp makinesindeki priming solüsyonu, anestezi idamesi ve yoğun bakım döneminde de aynı tip kolloid ile karşılandı. Isohes ve Gelofucin grubunda 30 ml/kg/24 saat, Voluven grubunda ise ihtiyaç halinde 50 ml/kg/24 saat dozlarına çıkıldı. 1. Dönem: Ameliyat öncesi, 2. Dönem: Pompa girişi (Hastanın pompaya girişi), 3. Dönem: Pompa çıkışı (Hastanın pompadan çıkışı), 4. Dönem: Ameliyat bitimi, 5. Dönem: 24. saatte alınan kan örneklerinde AKG, Hb, Htc, Plt, fibrinojen, KOB değerlerine bakıldı. Yine bu dönemlerde hemodinamik değerler kaydedildi. PT, aPTT, INR, BUN, kreatin, SGOT, SGPT değerleri ameliyat öncesi ve ameliyat sonrası ilk 24. saatte ölçüldü. Bulgular: Yapılan istatistiksel karşılaştırmalarda gruplar arasında demografik veriler, hemodinamik değerler, aort klemp, pompa süreleri, kanama miktarları, Hb, Htc, Plt değerleri, Kreatinin, BUN, SGOT, SGPT değerleri arasında anlamlı fark bulunmadı. PT, aPTT, INR değerlerinde fark yokken Gelofucin ve Isohes grubunun pompa çıkıştaki fibrinojen değerleri Voluven grubuna göre anlamlı yüksek bulundu. Kolloid onkotik basınç değerleri karşılaştırıldığında; Gelofucine ve Isohes grubunun pompa çıkış değerleri Voluven grubuna oranla, Isohes grubunun pompa çıkış ve 24. saat değerleri Gelofucine ve Voluven grubuna göre anlamlı yüksek bulundu. Kolloid onkotik basınç değerleri grup içi karşılaştırmada; Gelofucine ve Isohes gruplarında başlangıca göre 2, 3, 4. dönemde anlamlı derecede daha düşük bulundu ancak 5. dönemde (24 saaat sonrasında) başlangıç değeri ile arasında anlamlı fark bulunmadı ancak Voluven grubunda başlangıca göre tüm dönemlerde düşük bulundu. Sonuç: Düşük molekül ağırlıklı HE nişasta kalp cerrahisinde hemodinamik stabilizasyon açısından orta molekül ağırlıklı HE nişasta ve gelatinler gibi güvenle kullanılabilir. Özellikle yüksek miktarda kolloid ihtiyacı olan hastalarda 50 ml/kg/gün tercih edilebilir. Onkotik basıncı korumada orta molekül ağırlıklı HE nişasta daha etkin bulunmuştur.

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Cite This Article

AŞKIN, D., DEMİROK, M., ÇİÇEK, A. E., EMİN, İ., GÜLEÇ, Ç., ADA, Y. (2022). Low molecular weight hydroxyethyl starch infusion during open heart surgery. Türk Göğüs Kalp Damar Cerrahisi Dergisi, Cilt: 17 - Sayı: 3, 162–166. https://ajindex.com/articles/425010

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