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"Latar Belakang: Akses vaskular adalah jalur kehidupan bagi pasien hemodialisis. National Kidney Foundation Dialysis Outcome Quality Initiative (NKF-KDOQI) menyatakan bahwa fistula arteriovenosa (FAV) adalah akses vaskular terbaik. Stenosis dan kegagalan maturasi FAV merupakan masalah akses hemodialisa terbanyak. Terapi endovaskular menjadi salah satu solusi dalam mengatasi masalah ini yaitu percutaneous balloon angioplasty (PTA), tetapi prosedur ini memiliki biaya yang cukup tinggi. Di Indonesia sendiri, sulit untuk bisa melakukan prosedur standard percutaneous balloon angioplasty sehingga lebih sering dilakukan prosedur PTA dengan menggunakan single balloon angioplasty, tetapi long-term patency prosedur ini belum diketahui. Penelitian ini bertujuan untuk mengetahui patensi satu tahun dari tindakan single balloon angioplasty pada pasien stenosis draining vein fistula arteriovenosa brakiosefalika.Metode: Penelitian ini merupakan studi kohort retrospektif analitik menggunakan rekam medis di RSUPN Cipto Mangunkusumo dan RS Hermina Bekasi. Variabel bebas hipertensi, diabetes mellitus, derajat stenosis, jumlah stenosis, restenosis, ukuran balon, tekanan balon, residual stenosis, lama pembuatan FAV sedangkan variabel terikat adalah patensi 1 tahun tindakan single balloon angioplasty pada stenosis juxta- dan draining vein fistula arteriovenosa brakiosefalika.Hasil: Dari 62 pasien dengan stenosis draining vein FAV brakiosefalika, didapatkan angka patensi 6 bulan dan 1 tahun pascatindakan single balloon angioplasty sebesar 33 subjek (53,2%) dan 20 subjek (32,3%). Ditemukan bahwa faktor usia FAV (lama sejak pembuatan FAV hingga stenosis) berpengaruh terhadap patensi 1 tahun paska single balloon angioplasty. Didapatkan median (min-maks) dari subjek yang tidak paten sebesar 4 bulan (1 bulan-9 bulan), sedangkan yang paten sebesar 9,5 bulan (5 bulan-36 bulan) (p=0,000).Kesimpulan: Angka patensi tindakan single balloon angioplasty pada pasien stenosis fistula arteriovenosa brakiosefalika dalam 6 bulan dan 1 tahun sebesar 53,2% dan 32,3% berturut-turut. Terdapat perbedaan lama sejak pembuatan FAV hingga stenosis yang bermakna antara kelompok yang paten selama 1 tahun dengan yang tidak paten pasca tindakan single balloon angioplasty pada stenosis fistula arteriovenosa brakiosefalika.

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Background: Vascular access is the lifeline for hemodialysis patients. The National Kidney Foundation Dialysis Outcome Quality Initiative (NKF-KDOQI) states that an arteriovenous fistula (AVF) is the best vascular access due to its high success rate and low complication rate. However, stenosis and maturation failure of an AVF are common. Endovascular therapy, namely percutaneous balloon angioplasty (PTA), is a solution to treat this problem. however, this procedure is quite costly. In Indonesia, it is difficult to perform standard percutaneous balloon angioplastyl; thus, PTA procedures are more commonly performed using single balloon angioplasty technique. However, the long-term patency of such procedure is unknown. The aim of this study was to determine the one-year patency of single balloon angioplasty in patients with draining vein stenosis in brachiocephalic arteriovenous fistula.

Methods: This study is an analytic retrospective cohort using medical records at Cipto Mangunkusumo General Hospital and Hermina Hospital Bekasi. The independent variables were hypertension, diabetes mellitus, degree of stenosis, number of stenosis, restenosis, balloon size, balloon pressure, residual stenosis, duration of fistula creation. The dependent variable was a 1-year patency of single balloon angioplasty in juxta and draining vein stenosis of brachiocephalic arteriovenous fistula.

Results: Out of 62 patients with draining vein stenosis of brachiocephalic AVF, 6 months and 1 year of patency after single-balloon angioplasty were 33 (53.2%) and 20 subjects (32.3%), respectively. Age of the fistula, namely the duration from the arteriovenous fistula creation until stenosis, had a statistically significant influence on 1-year patency after single balloon angioplasty. By using numerical data from the length of the month of fistula creation, the median (min-max) of the non-patent subjects was 4 months (1 month-9 months), while the patent ones was 9.5 months (5 months - 36 months) (p=0.000).

Conclusion: The patency rates of single balloon angioplasty in patients with draining vein stenosis of brachiocephalic arteriovenous fistula at 6 months and 1 year were 53.2% and 32.3%, respectively. There was a significant difference in the length of time from arteriovenous fistula creation to stenosis between the patented group for 1 year and the non-patent group after single balloon angioplasty in draining vein stenosis of brachiocephalic arteriovenous fistula.

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"Latar Belakang: Akses vaskular sebagai jalur kehidupan pasien gagal ginjal kronik yang menjalani hemodialisis dapat mengalami disfungsi. Stenosis merupakan salah satu penyebab disfungsi akses vaskular yang dapat menurunkan kualitas hemodialisis. Terapi endovaskular seperti angioplasty adalah salah satu solusi efektif untuk mengatasi masalah ini, tetapi tindakan ini memerlukan biaya yang cukup tinggi. Penelitian ini bertujuan untuk mengidentifikasi faktor-faktor yang mempengaruhi keberhasilan tindakan single balloon angioplasty, yang merupakan alternatif dari tindakan angioplasty standar, pada penderita stenosis vena sentral.Metode: Penelitian ini merupakan studi kohort retrospektif analitik yang menilai faktor-faktor yang berpengaruh terhadap keberhasilan tindakan single balloon angioplasty di RSCM, RS Hermina Bekasi, RSUP Fatmawati dan RSUD Tangerang pada periode Januari 2018 sampai Desember 2020. Analisis dilakukan untuk mengidentifikasi hubungan lokasi stenosis, riwayat pemasangan kateter vena sentral, panjang lesi dan stenosis awal dengan keberhasilan tindakan single balloon angioplasty berdasarkan stenosis residual dan adekuasi hemodialisis pascatindakan.Hasil: Terdapat 109 pasien yang diinklusi dalam penelitian ini, dengan rerata usia 55,17±11,51 tahun. Dari jumlah tersebut, 58 subjek (53,2%) adalah laki-laki; 96 subjek (88,1%) memiliki komorbid hipertensi dan 38 subjek (34,9%) menderita komorbid diabetes. Pasien dengan panjang lesi >2 cm memiliki proporsi keberhasilan sebesar 21,1%, lebih rendah dibandingkan kelompok panjang lesi ≤2 cm (78,9%) (p<0,001). Derajat stenosis inisial >80% juga lebih banyak ditemukan memiliki stenosis residual ≥30% (p<0,001). Pasien dengan panjang stenosis ≤2 cm memiliki peluang keberhasilan 5,089 kali (IK 95%, 2,103–12,31) lebih tinggi dibandingkan pasien dengan panjang stenosis >2 cm. Pasien dengan derajat stenosis 50–80% memiliki peluang keberhasilan 31,62 kali (IK 95%, 7,00–142,83) lebih tinggi dibandingkan pasien dengan derajat stenosis inisial >80%. Patensi vena sentral pada 3 bulan pertama didapatkan pada 59 pasien (54,1%) dan berkurang menjadi 28,4% pada bulan ke-6 dan 9,2% pada bulan ke-12.Kesimpulan: Terdapat hubungan antara panjang lesi dan derajat stenosis inisial dengan keberhasilan tindakan single balloon angioplasty

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Background: Vascular access is the lifeline of a hemodialysis patient. Hemodialysis vascular access dysfunction is a major cause of morbidity and mortality in the hemodialysis population. Venous stenosis may result in access dysfunction, which impairs dialysis quality. Endovascular intervention such as angioplasty is an effective solution to treat this condition; however, the cost of this procedure is unacceptably high for most patients.  This study aims to identify factors affecting the success of single balloon angioplasty, which is a modification of standard angioplasty technique, for patients with central venous stenosis.

Methods: This is a retrospective analytic cohort study identifying factors affecting the success rate of single balloon angioplasty procedure in dr. Ciptomangunkusumo, Hermina Bekasi, Fatmawati, and Tangerang General Regional hospitals from January 2018 to December 2020. Statistical analysis was conducted to identify the correlation between stenosis location, previous history of central venous catheter placement, lesion length, and initial stenosis with the success rate of single balloon angioplasty according to residual stenosis and hemodialysis adequacy postoperatively.

Results: There were 109 patients included in this study, with an average age of 55.17±11.51 years. Of the 109 subjects, 58 (53.2%) were men; 96 subjects (88.1%) suffered from chronic hypertension, while 38 were diabetics. Patients with lesion length of >2 cm had a 21.1% lower success rate compared with those with lesion length of ≤2 cm (78.9%) (p<0.001). Patients with an initial stenosis of >80% was more likely to have residual stenosis of ≥30% (p<0,001). Patients with stenosis length of ≤2 cm had a 5.089-times (95% CI, 2.103–12.31) higher success rate compared with those with stenosis length of >2 cm. Patients with a degree of stenosis 50–80% had a 31.62-times (95% CI, 7.00–142.83) higher success rate compared with patients with an initial stenosis of >80%. Central venous was patent in 59 patients (54.1%) in the first 3 month and decreased to 28.4% and 9.2% in the 6th and 12th month, respectively.

Conclusion: Lesion length and the degree of initial stenosis were significantly correlated with the success rate of single balloon angioplasty."