Journals / Turkish Journal of Anaesthesiology and Reanimation / 2017 / Cilt: 45 - Sayı: 4

Validity of Pulse Pressure Variation (PPV) Compared with Stroke Volume Variation (SVV) in Predicting Fluid Responsiveness

Sıvı Yanıtının Tahmin Edilmesinde Atım Hacmi Değişimi (SVV) ile Karşılaştırıldığında Nabız Basıncı Değişiminin (PPV) Geçerliliği

Pages
210–217
DOI
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AI Summary & Key Takeaways

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

In both responders and non-responders, PPV has a greater association with fluid responsiveness than SVV.

📌 3 Key Takeaways

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Objective & Hypothesis:Objective: Static monitors for assessing the fluid status during major surgeries and in critically ill patients have been gradually replaced by more accurate dynamic monitors in modern-day an- aesthesia practice.
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Key Findings & Data:Methods: In this prospective observational study, 50 patients undergoing major surgeries were monitored for PPV and SPV: after the induction of anaesthesia and after the administration of 500 mL of isotonic crystalloid bolus.
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Conclusion & Impact:In both responders and non-responders, PPV has a greater association with fluid responsiveness than SVV.
🔬Design:Research Article
📍Scope:Comprehensive Sample
⚙️Variables:Domain Parameters

Abstract

Objective: Static monitors for assessing the fluid status during major surgeries and in critically ill patients have been gradually replaced by more accurate dynamic monitors in modern-day an- aesthesia practice. Pulse pressure variation (PPV) and systolic pres- sure variation (SPV) are the two commonly used dynamic indices for assessing fluid responsiveness. Methods: In this prospective observational study, 50 patients undergoing major surgeries were monitored for PPV and SPV: after the induction of anaesthesia and after the administration of 500 mL of isotonic crystalloid bolus. Following the fluid bolus, patients with a cardiac output increase of more than 15% were classified as responders and those with an increase of less than 15% were classified as non-responders. Results: There were no significant differences in the heart rate (HR), mean arterial pressure (MAP), PPV, SVV, central venous pressure (CVP) and cardiac index (CI) between responders and non-responders. Before fluid bolus, the stroke volume was signifi- cantly lower in responders (p=0.030). After fluid bolus, MAP was significantly higher in responders but there were no significant changes in HR, CVP, CI, PPV and SVV. In both responders and non-responders, PPV strongly correlated with SVV before and af- ter fluid bolus. Conclusion: Both PPV and SVV are useful to predict cardiac re- sponse to fluid loading. In both responders and non-responders, PPV has a greater association with fluid responsiveness than SVV.

Özet

Amaç: Günümüzde anestezi pratiğinde, büyük ameliyatlarda ve ağır hastalarda sıvı durumunun değerlendirilmesi için kullanılan statik izlem yöntemlerinin yerini, daha doğru sonuçlar veren dinamik iz- lemler almıştır. Nabız basıncı değişimi (PPV) ve sistolik basınç deği- şimi (SPV) sıvı yanıtını değerlendirmek amacıyla yaygın bir şekilde kullanılan dinamik indekslerdir. Yöntemler: Bu prospektif gözlemsel çalışmada, major cerrahi geçire- cek 50 hastada anestezi indüksiyonundan ve 500 mL izotonik veril- dikten sonra PPV ve SPV monitörize edildi. Bolus sıvı uygulamasını takiben, %15'ten fazla kardiyak debisi artışı olan hastalar yanıt veren- ler olarak, %15'ten daha az artışı olanlar ise yanıt vermeyenler olarak sınıflandırıldılar. Bulgular: Yanıt verenler ve vermeyenler arasında kalp atım hızı (HR), ortalama arter basıncı (MAP), PPV, SVV, santral venöz basınç (CVP) ve kardiyak indeks (CI) açısından anlamlı bir fark bulunmadı. Bolus sıvı uygulaması öncesinde, atım hacmi yanıt verenlerde anlamlı derecede daha düşüktü (p=0,030). Bolus sıvı uygulaması sonrasında, MAP yanıt verenlerde anlamlı ölçüde daha yüksek bulundu, ancak HR, CVP, CI, PPV ve SVV açısın- dan anlamlı fark gözlenmedi. Bolus sıvı uygulaması öncesinde ve sonrasında, hem yanıt veren hem de yanıt vermeyen hastalarda, PPV değeri ile SVV değeri arasında güçlü bir ilişki saptandı. Sonuç: PPV ve SVV sıvı yüklenmesine verilen kardiyak yanıtı tah- min etmede yararlıdır. Hem yanıt veren hem de vermeyen hastalar- da PPV, SVV ile kıyaslandığında, sıvı yanıtı ile daha fazla ilişkilidir

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Cite This Article

RATHORE, A., SİNGH, S., LAMSAL, R., TAANK, P., PAUL, D. (2017). Validity of Pulse Pressure Variation (PPV) Compared with Stroke Volume Variation (SVV) in Predicting Fluid Responsiveness. Turkish Journal of Anaesthesiology and Reanimation, Cilt: 45 - Sayı: 4, 210–217. https://ajindex.com/articles/370530

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