Journals / Türk Nefroloji Diyaliz ve Transplantasyon Dergisi / 2013 / Cilt: 22 - Sayı: 1

Sepsis ve Böbrek: Patogenez ve tedavide yeni gelişmeler

Sepsis and the Kidney: New Developments in pathogenesis and treatment

Pages
16–29
Publication Date
2022-11-05
DOI
—
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AI Summary & Key Takeaways

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

Regarding pathogenesis, rates of morbidity and mortality are aimed to be reduced through the new agents of therapy that are being studied.

📌 3 Key Takeaways

🎯
Objective & Hypothesis:Sepsis is a common and important cause of mortality in critically ill patients.
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Key Findings & Data:Acute kidney injury (AKI) is one of the most important factors determining morbidity and mortality in this clinical picture.
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Conclusion & Impact:Regarding pathogenesis, rates of morbidity and mortality are aimed to be reduced through the new agents of therapy that are being studied.
🔬Design:Modeling & Simulation
📍Scope:Comprehensive Sample
⚙️Variables:Domain Parameters

Abstract

Sepsis is a common and important cause of mortality in critically ill patients. Acute kidney injury (AKI) is one of the most important factors determining morbidity and mortality in this clinical picture. Recent studies have indicated that the pathogenetic mechanism in septic acute kidney injury (AKI) is totally different from that in non-septic AKI. Our understanding of sepsis-associated AKI pathophysiology is shifting from renal vasoconstriction, ischemia, and acute tubular necrosis to that of heterogeneous vasodilation, hyperemia, and acute tubular apoptosis. Apoptosis is especially gradually gaining importance in the development of renal injury. In recently published studies, the frequency of renal tubular apoptosis on biopsies of septic patients has been pointed out. Apoptosis can be triggered by ischemia, exogenous toxins or endogenous mediators. In animal models, hyperglycemia, which is common in critically ill patients, has been shown to cause apoptosis in renal tubule cells. In the light of recent findings, new treatment options have emerged. Treatment of hyperglycemia has a different significance, since besides anti-inflammatory effect it has a protective role on the kidney. Hemofiltration methods cleaning toxic mediators from the circulation should be applied in the early stages. Ghrelin that inhibits pro-inflammatory cytokines, caspase inhibitors that block the apoptotic pathway, and nitric oxide synthase inhibitors are currently under study. Regarding pathogenesis, rates of morbidity and mortality are aimed to be reduced through the new agents of therapy that are being studied.

Özet

Sepsis yoğun bakım ünitelerindeki hastalarda mortalitenin sık ve önemli bir nedenidir. Akut böbrek hasarı (ABH) da bu tabloda morbidite ve mortaliteyi belirleyen en önemli faktörlerden biridir. Son yıllarda yapılan çalışmalar, septik akut böbrek hasarında patogenetik mekanizmanın septik olmayan akut böbrek hasarından tamamen farklı olduğunu göstermiştir. Sepsis ile ilişkili akut böbrek hasarının patofizyolojisi ile ilgili görüşler de, renal vazokonstriksiyon, iskemi ve akut tübüler nekrozdan, heterojen vazodilatasyon, hiperemi ve akut tübüler apoptoza doğru kaymaktadır. Özellikle apoptoz, renal hasar gelişiminde giderek öne çıkmaktadır. Yakın zamanda yayınlanan çalışmalarda, sepsis hastalarından yapılan renal biyopsilerde tübüler apoptozun sıklığına dikkat çekilmiştir. Apoptoz, iskemi, eksojen toksinler veya endojen mediatörler tarafından tetiklenebilmektedir. Hayvan deneylerinde, yoğun bakım gerektiren hastalarda sık görülen hipergliseminin de böbrek tübül hücrelerinde apoptoza neden olduğu gösterilmiştir. Bu yeni bilgiler ışığında yeni tedavi seçenekleri gündeme gelmiştir. Hiperglisemi tedavisi, antiinflamatuvar etkisi yanında böbrek koruyucu rolü de olduğundan ayrı bir öneme sahiptir. Toksik mediyatorleri dolaşımdan temizleyen hemofiltrasyon yöntemleri erken dönemde uygulanmalıdır. Proinflamatuvar sitokinleri inhibe eden ghrelin, apoptotik yolağı bloke eden kaspaz inhibitorleri, nitrik oksit sentaz inhibitörleri çalışma aşamasındadır. Patogeneze yönelik üzerinde çalışılan yeni tedavi ajanları ile morbidite ve mortalite oranlarının azalması hedeflenmektedir.

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Cite This Article

KAYATAŞ, M., ŞEKER, A. K. (2022). Sepsis ve Böbrek: Patogenez ve tedavide yeni gelişmeler. Türk Nefroloji Diyaliz ve Transplantasyon Dergisi, Cilt: 22 - Sayı: 1, 16–29. https://ajindex.com/articles/636338

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