Factors Affecting Success of the Reinsertion of Nephrostomy Catheters through the Original Tract

Abstract

Objective: To investigate the success rate and the factors affecting the success of percutaneous nephrostomy catheter reinsertion using the existing percutaneous tract. Materials and methods: Retrospective analysis was performed in 47 adult patients who underwent percutaneous nephrostomy catheter reinsertion through existing tract between December 2020 and December 2021. We reviewed the success rate of the reinsertion, the relationship between that rate, the dislodged catheter size, the indwelling time (time between placement and dislodgement) and the timeline that the original tract can be used for reinsertion procedure. Results: The overall success rate for reinsertion through existing tract was 70.21%. Success rate of reinsertion was associated with longer catheter indwelling times compared to patients who failed reinsertion (82.27 vs 34.21 days, p < 0.001) and shorter reinsertion times compared to patients who failed reinsertion (13.21 vs 65.86 hours, p < 0.001). Receiver Operating Characteristic (ROC) curve analysis demonstrated that the cut-off time for reinsertion was 33 hours, with 84.80 % sensitivity and 85.70 % specificity. Conclusions: Reinsertion of the percutaneous nephrostomy catheters using the existing tract has many advantages over the new tract intervention. Reinsertion can be performed successfully after the first 24-36 hours of dislodgement. Success rates vary based on indwelling and reinsertion times.

Keywords

• Percutaneous nephrostomy
• nephrostomy reinsertion
• cutaneous tract

Nefrostomi Kateterlerinin Orijinal Yolak Kullanılarak Yeniden Yerleştirilmesinin Başarısını Etkileyen Faktörler

Abstract

Amaç: Mevcut perkütan yol kullanılarak nefrostomi kateterlerinin yeniden yerleştirilmesindeki başarı oranını ve işlem başarısını etkileyen faktörleri araştırmak. Gereç ve Yöntemler: Aralık 2020 ile Aralık 2021 arasında mevcut yolak üzerinden yeniden perkütan nefrostomi kateteri yerleştirilen 47 yetişkin hastada retrospektif analiz yapıldı. Kateterin aynı yolak kullanılarak yerine takılma başarı oranı, bu oran ile kateter boyutu, kateterin ilk takılma zamanı ile çıkma arasındaki zaman ve aynı yolağın kullanılabileceği zaman aralığı değerlendirildi. Bulgular: Mevcut yolak üzerinden yeniden perkütan nefrostomi kateteri yerleştirme işleminde genel başarı oranı %70.21 idi. Yeniden yerleştirme işleminde başarı oranı, işlemin başarısız olduğu hastalara kıyasla önceki kateterin daha uzun kalma süresi (82.27'ye karşı 34.21 gün, p < 0.001) ve yeni kateterin daha kısa zamanda yerleştirilmesi (13.21'e karşı 65.86 saat, p < 0.001) ile ilişkiliydi. İşlem karakteristik (ROC) eğrisi analizinde, yeniden yerleştirme süresi için kesme değeri %84.80 duyarlılık ve %85.70 özgüllük ile 33 saat olduğu bulunmuştur. Sonuç: Mevcut trakt kullanılarak perkütan nefrostomi kateterlerinin yeniden yerleştirilmesi, yeni trakt müdahalesine göre daha avantajlıdır. Yeniden yerleştirme, kateter çıktıktan sonra ilk 24-36 saatlik süre içerisinde başarıyla gerçekleştirilebilir. Başarı oranları, önceki kateterin kalma süresi ve yeniden yerleştirme sürelerine göre değişir.

Keywords

• Perkütan nefrostomi
• nefrostominin yeniden takılması
• kütanöz yolak

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