Journals / Anadolu Kardiyoloji Dergisi / 2011 / Cilt: 11 - Sayı: 2

Preoperative and intraoperative risk factors affecting mortality after heart transplantation: a single-center experience

Kalp nakli sonrası mortaliteyi etkileyen preoperatif ve intraoperatif risk faktörleri: Tek merkez deneyimi

Pages
119–124
Publication Date
2022-10-10
DOI
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AI Summary & Key Takeaways

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⚡ TL;DR(Too Long; Didn't Read)

Results: Overall mortality in the entire population was 40.6% (50/123).

📌 3 Key Takeaways

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Objective & Hypothesis:Objective: We retrospectively analyzed case records to identify risk factors for mortality in heart transplant recipients in our center.
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Key Findings & Data:Methods: Data of 123 patients (mean age 40.6±14 years and 97 male) transplanted from February 1998 to April 2009 were studied and analyzed.
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Conclusion & Impact:Results: Overall mortality in the entire population was 40.6% (50/123).
🔬Design:Research Article
📍Scope:2009 Verileri
⚙️Variables:Domain Parameters

Abstract

Objective: We retrospectively analyzed case records to identify risk factors for mortality in heart transplant recipients in our center. Methods: Data of 123 patients (mean age 40.6±14 years and 97 male) transplanted from February 1998 to April 2009 were studied and analyzed. Pre- and intra-operative variables of the 73 patients who survived (Group 1, mean age 39.1±14.6, 58 male) and 50 patients who died (Group 2, mean age 42.6±12.9, 39 male) were compared. For statistical analysis Student t, Mann-Whitney U and Chi-square tests were used. Logistic regression analysis was used to determine independent risk factors for mortality and survival analysis was accomplished using Kaplan-Meier analysis. Results: Overall mortality in the entire population was 40.6% (50/123). Actuarial survival was 74%, 65%, 51% and 31% at 1, 2, 5 and 10 years respectively. Major causes of death after heart transplantation were infections (30%), right ventricular failure (18%), rejection (12%) and sudden cardiac death (12%). Total ischemic time was 176.7±63.3 minutes (range 90-410 minutes). The total cardiopulmonary by-pass (CPB) time (114.3±27.7 vs 126.9±42.1 min, p=0.05), pre-operative creatinine clearance (81.0±31.5 vs 67.2±33.0 ml/min, p=0.02), urea (45.2±18.6 vs 57.8±35.2 mg/dl, p=0.02), and creatinine (1.01±0.25 vs 1.17±0.36 mg/dl, p=0.05) were significantly different between survivors and non-survivors. Group 2 patients had higher transpulmonary gradient (TPG) (9.21±5.16 vs 12.50±8.26 mmHg, p=0.02) as compared with group 1 patients. Logistic regression analysis revealed that preoperative creatinine clearance (OR 0.989, 95% CI 0.973-1.005, p=0.044), creatinine level (OR 2.028, 95% CI 0.288-14.301, p=0.027), total CPB time (OR 1.013, 95% CI 1.000-1.027, p=0.036), and TPG (OR 1.113, 95% CI 0.992 1.249, p=0.045) were the independent predictors of mortality. Conclusion: Our data showed that TPG, total CPB time, pre-transplant renal dysfunction are pre-operative and intra-operative risk factors for mortality after heart transplantation.

Özet

Amaç: Kalp nakli yapılan olgularda mortaliteye etki eden risk faktörlerini belirlemek için merkezimizdeki olguları retrospektif olarak inceledik. Yöntemler: Şubat 1998-Nisan 2009 arasında kalp nakli yapılan 123 hastanın (ortalama yaş 40.6±14 yıl, 97'si erkek) verileri incelendi. Nakil sonrası sağ kalan 73 olgu (Grup 1, ortalama yaş 39.1±14.6, 58'i erkek) ve izlemde kaybedilen 50 olgunun preoperatif ve intraoperatif verileri (Grup 2, ortalama yaş 42.6±12.9, 39'u erkek) karşılaştırıldı. İstatistiksel analiz için Student t, Mann-Whitney U ve Ki-kare testi kullanıldı. Mortaliteyi etkileyen bağımsız risk faktörlerinin saptanması için lojistik regresyon analizi yapıldı, sağkalım analizi de Kaplan-Meier analizi ile gerçekleştirildi. Bulgular: Genel mortalite oranı %40.6 (50/123) ve sırasıyla 1, 2, 5 ve 10 yıllık sağkalım oranı %74, %65, %51 ve %31 olarak saptandı. Kalp nakli sonrası en önemli ölüm sebepleri enfeksiyonlar (%30), sağ ventrikül yetmezliği (%18), rejeksiyon (%12) ve ani ölüm (%12) olarak saptandı. Toplam iskemi zamanı 176.7±63.3 dakika (90 ile 410 dakika arası) olarak bulundu. Toplam kardiyopulmoner baypas (KPB) zamanı (114.3±27.7'ye karşı 126.9±42.1 dak, p=0.05), preoperatif kreatinin klirensi (81.0±31.5'e karşı 67.2±33.0 ml/dak, p=0.02), üre düzeyi (45.2±18.6'ya karşı 57.8±35.2 mg/dl, p=0.02), kreatinin düzeyi (1.01±0.25'e karşı 1.17±0.36 mg/dl, p=0.05) sağ kalan grup ile izlemde kaybedilen grup arasında istatistiksel olarak anlamlı düzeyde farklı bulundu. İkinci grupta transpulmoner gradiyent (TPG) diğer gruba göre anlamlı olarak daha yüksek bulundu (9.21±5.16'ya karşı 12.50±8.26 mmHg, p=0.02). Lojistik regresyon analizinde kreatinin klirensi (OR 0.989, %95 GA 0.973-1.005, p=0.044), preoperatif kreatinin düzeyi (OR 2.028, %95 GA 0.288-14.301, p=0.027), toplam KPB zamanı (OR 1.013, %95 GA 1.000-1.027, p=0.036), TPG’in (OR 1.113, %95 GA 0.992-1.249, p=0.045) mortalitenin bağımsız öngördürücüleri oldukları saptandı. Sonuç: Toplam KPB zamanı, TPG ve nakil öncesi böbrek fonksiyon bozukluğu kalp nakli sonrası mortaliteye yol açan preoperatif ve intraoperatif risk faktörleridir.

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Cite This Article

ZOGHİ, M., NALBANTGİL, S., YAĞDI, T., ÖZBARAN, M., ENGİN, Ç., GÜNGÖR, H., ERTUGAY, S., AYIK, M. F. (2022). Preoperative and intraoperative risk factors affecting mortality after heart transplantation: a single-center experience. Anadolu Kardiyoloji Dergisi, Cilt: 11 - Sayı: 2, 119–124. https://ajindex.com/articles/436662

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