Journals / Tüberküloz ve Toraks / 2019 / Cilt: 67 - Sayı: 1

Complications of silicone Y stents placed due to malignant airway stenosis

Malign hava yolu darlığı nedeniyle yerleştirilen silikon Y stentlerinin komplikasyonları

Pages
22–30
Publication Date
2022-11-05
DOI
—
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AI Summary & Key Takeaways

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

For this group of patients, bronchoscopy to be performed at the first and third monthsafter silicone Y stent placement may provide early detection of stent-edge tissue development.

📌 3 Key Takeaways

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Objective & Hypothesis:Complications of silicone Y stents placed due to malignant airway stenosisIntroduction: Malignant central airway obstruction around the main carinaoften requires placement of Y‑shaped stents.
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Key Findings & Data:In this study, we aimed to deter‑mine the safety of silicone Y stents placed around the main carina in themalignant airway obstruction by examining the long term complications,emergence times and treatment approaches of complications.Materials and Methods: Between May 2012 and July 2015, 47 silicone Ystents were placed in 46 patients with malignant external compression ormixed type stenosis around the main carina.
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Conclusion & Impact:For this group of patients, bronchoscopy to be performed at the first and third monthsafter silicone Y stent placement may provide early detection of stent-edge tissue development.
🔬Design:Research Article
📍Scope:2012 Verileri
⚙️Variables:Domain Parameters

Abstract

Complications of silicone Y stents placed due to malignant airway stenosisIntroduction: Malignant central airway obstruction around the main carinaoften requires placement of Y‑shaped stents. In this study, we aimed to deter‑mine the safety of silicone Y stents placed around the main carina in themalignant airway obstruction by examining the long term complications,emergence times and treatment approaches of complications.Materials and Methods: Between May 2012 and July 2015, 47 silicone Ystents were placed in 46 patients with malignant external compression ormixed type stenosis around the main carina. Patient stents were placed viarigid bronchoscopy under total intravenous anesthesia in operating roomconditions.Results: In the half of the patients (23/46), stents were placed under urgentconditions due to acute respiratory failure. Stents were deployed successfullyin all the patients. No procedure related deaths were observed. The mediantime of survival following stent insertion was 157 days. The total long-termcomplication rate of silicone Y stents was 28.3%. Mucostasis (8.7%) andmigration (2.2%) were observed within the first month after placement of thesilicone Y stents (median 18 days), stent-edge granulation tissue development(13.0%) was observed at the earliest one month (median 64, range 34-386days) and stent-edge tumor tissue development (4.3%) were observed at theearliest 3 months (median 151, range 85-217 days). A total of 7 (15.2%)stents were removed, 2 of which were due to mucostasis and 5 of which weredue to granulation tissue development. One patient’s stent was replaced witha longer silicone Y stent due to stent-edge tumor tissue development.Conclusion: The best palliative treatment of malignant tumor stenosis around the main carina is still silicone Y stent placement, butthe long-term complication rate can be high. For this group of patients, bronchoscopy to be performed at the first and third monthsafter silicone Y stent placement may provide early detection of stent-edge tissue development.

Özet

Giriş: Ana karina çevresindeki malign hava yolu darlıkları genellikle Y şeklinde stentlerin yerleştirilmesini gerektirir. Bu çalışmada, malign hava yolu darlıklarında ana karina çevresine yerleştirilen silikon Y stentlerinin güvenliğini, uzun dönem komplikasyonları, ortaya çıkma süreleri ve komplikasyonlarının tedavi yaklaşımlarını inceleyerek belirlemeyi amaçladık. Materyal ve Metod: Mayıs 2012 ile Temmuz 2015 arasında, ana karina çevresinde malign dış bası veya mikst tip darlığı olan 46 hastaya 47 silikon Y stent yerleştirildi. Stentler ameliyathane şartlarında total intravenöz anestezi altında rijit bronkoskopi ile uygulandı. Bulgular: Hastaların yarısına (23/46), akut solunum yetmezliği nedeniyle acil koşullar altında stent yerleştirildi. Stentler tüm hastalar‑ da başarıyla uygulandı. İşleme bağlı ölüm görülmedi. Stent sonrası median sağkalım 157 gündü. Silikon Y stentlerin toplam uzun dönem komplikasyon oranı %28.3 idi. Stentlerinin yerleştirilmesinden sonraki ilk ay içinde (ortalama 18 gün) mukostasis (%8.7) ve migrasyon (%2.2), en erken bir ayda (ortalama 64, aralık 34-386 gün) stent kenarı granülasyon dokusu gelişimi (%13.0) ve en erken 3 ayda (oralama 151, aralık 85-217 gün) stent kenarı tümör dokusu gelişimi (%4.3) saptandı. İki mukostazis ve 5 stent kenarı granü‑ lasyon dokusu gelişimi nedeniyle 7 (%15.2) stent çıkarıldı. Bir hastanın stenti, stent kenarı tümör dokusu gelişimi nedeniyle daha uzun bir silikon Y stentle değiştirildi. Sonuç: Ana karina etrafındaki malign tümör darlığının en iyi palyatif tedavisi hala silikon Y stent yerleşimidir, ancak uzun dönem komplikasyon oranı yüksek olabilir. Bu hasta grubu için silikon Y stent yerleştirilmesinden sonraki ilk ve üçüncü aylarda yapılacak bronkoskopi, stent kenarı doku gelişiminin erken tespitini sağlayabilir.

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Cite This Article

KIZILGÖZ, D., AKTAŞ, Z., YILMAZ, A., ÖZTÜRK, A., YURTSEVEN, G. (2022). Complications of silicone Y stents placed due to malignant airway stenosis. Tüberküloz ve Toraks, Cilt: 67 - Sayı: 1, 22–30. https://ajindex.com/articles/618383

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