Journals / Türk Klinik Biyokimya Dergisi / 2014 / Cilt: 12 - Sayı: 1

The Frequency of Hyponatremia in Oncology Patients and Possible Association of Hyponatremia with Survival

Onkoloji Hastalarında Hiponatremi Sıklığı ve Sağ Kalımla İlişkisi

Pages
37–43
Publication Date
2022-11-05
DOI
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Additionally, the possible affect of hyponatremia on overall survival in cancer patients were evaluated.

📌 3 Key Takeaways

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Objective & Hypothesis:Objective: Hyponatremia may be asymptomatic and sometimes may increase the mortality rates of many diseases by resulting in neurological impairement.
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Key Findings & Data:Materials and methods: Two thousand twenty five patients who were referred to out-patient clinics of internal medicine and 583 patients who were being followed up at Department of Medical Oncology at Hitit University, Corum Education and Research Hospital between 01.05.2014 and 13.02.2013 were included to this retrospective study.
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Conclusion & Impact:Additionally, the possible affect of hyponatremia on overall survival in cancer patients were evaluated.
🔬Design:Research Article
📍Scope:2014 Verileri
⚙️Variables:Domain Parameters

Abstract

Objective: Hyponatremia may be asymptomatic and sometimes may increase the mortality rates of many diseases by resulting in neurological impairement. In patients with malignancies, hyponatremia may occur due to cancer itself or due to treatment of cancer. In this study, we aimed to investigate the frequency of hyponatremia in patients with malignancies and to compare this with patients without malignancy. Additionally, the possible affect of hyponatremia on overall survival in cancer patients were evaluated. Materials and methods: Two thousand twenty five patients who were referred to out-patient clinics of internal medicine and 583 patients who were being followed up at Department of Medical Oncology at Hitit University, Corum Education and Research Hospital between 01.05.2014 and 13.02.2013 were included to this retrospective study. Patients who had no serum sodium analysis were exluded. Serum sodium levels were analysed by ion selective electrode method. Normal limits of serum sodium level is 134-148 mmol/L at our center. Serum sodium levels ≤133 mmol/L are accepted as hyponatremia. Chisquare test and Mann-Whitney U test were used during statistical analysis. The results were given as median (minimum-maximum) or as percentage (%). Possible association of hyponatremia with overall survival was evaluated . Results: Hyponatremia was detected in 141 (%6.96) of 2025 internal medicine patients and 70 (%12.01) of 583 oncology patients (Chi-square test, X2 =14.817, df-=1, p=0.0001). Serum sodium level [130 (111.0-133; n=45) mmol/L] of male oncology patients with hyponatremia were found to be lower than those [132 (115-133; n=77) mmol/L] of male internal medicine patients with hyponatremia (p=0.0066). Serum sodium level of female patients with hyponatremia were statistically same in 2 groups (p=0.18). Hyponatremia resulted in decreased survival in cancer patients with hyponatremia when compared to that in cancer patients without hyponatremia (p

Özet

Amaç: Hiponatremi; asemptomatik seyredebilen, birçok hastalıkla birlikte bulunabilen nörolojik bozukluklara yol açarak mortalite hızını arttırabilen bir klinik durumdur. Kanser hastalarında kanserin kendisine ya da tedavisine bağlı olarak hiponatremi görülebilmektedir. Bu çalışmada onkoloji hastaları ile dahiliye kliniğine başvuran bireyler arasında hiponatremi görülme oranının karşılaştırılması ve hiponatremi varlığının sağ kalımla ilişkisinin araştırılması amaçlandı. Gereç ve Yöntem: Retrospektif çalışmamıza 01.05.2012-13.2.2013 tarihleri arasında Hitit Üniversitesi Çorum Eğitim ve Araştırma Hastanesi Dahiliye Kliniği'ne başvuran bireylerden sodyum düzeyi ölçülmüş olan 2025 kişi ile, Onkoloji Kliniği'ne başvuran ve sodyum düzeyi ölçülmüş 583 hasta dahil edildi. Serum sodyum düzeyleri iyon selektif elektrot yöntemi ile çalışıldı. Merkezimizde sodyum için kullanılan referans aralığı 134-148 mmol/L'di. Serum sodyum düzeyi≤133 mmol/L değerler hiponatremi olarak değerlendirildi. İstatistiksel analizlerinde Ki-kare testi ve Mann-Whitney U testleri kullanıldı. Sonuçlar medyan (minimum-maksimum) veya % değerler olarak verildi. Hiponatremi varlığının sağkalımla ilişkisi incelendi. Bulgular: Dahiliye kliniğine başvuran 2025 (Erkek/Kadın: 772/1253) bireyin 141'inde (%6.96), onkoloji kliniğine başvuran 583 (Erkek/Kadın: 283/300) bireyin ise 70'inde (%12.01) hiponatremi saptandı (Kikare testi, X2 =14.817, df-=1, p=0.0001). Onkoloji grubundaki hiponatremik erkeklerin [130 (111.0- 133; n=45) mmol/L] dahiliye grubundaki hiponatremik erkeklere [132 (115-133; n=77) mmol/L] kıyasla serum sodyum düzeyleri daha düşük bulundu (p=0.0066). Hiponatremisi olan bayan hastaların sodyum düzeylerinin karşılaştırılmasında gruplar arasında anlamlı bir farklılık izlenmedi (p=0.18). Onkoloji hastalarında hiponatremi varlığı sağ kalımda belirgin kısalmaya neden oldu (p

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Cite This Article

YILDIZ, İ., KOCABAŞ, R., ŞEN, F., ERDEMLİ, H. K., ÇİFTÇİ, R., KILIÇ, L., BOZBEY, H. U., ZOBACI, E., ZORLU, M. (2022). The Frequency of Hyponatremia in Oncology Patients and Possible Association of Hyponatremia with Survival. Türk Klinik Biyokimya Dergisi, Cilt: 12 - Sayı: 1, 37–43. https://ajindex.com/articles/634228

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