The Relationship Between Ambulatory Blood Pressure Monitoring and Uric Acid Level in Hypertensive Patients

Yıl 2024, , 434 - 441, 30.09.2024

Musa İlker Durak

https://doi.org/10.34087/cbusbed.1487249

Öz

Abstract
Giriş: Serum uric acid (SUA) pürin metabolizmasının son ürünüdür. Aşırı üretimi veya böbrek atılımının azalması hiperürisemiye sebep olur. SUA yüksekliğinin kardiyovasküler hastalıklar için risk faktörü olduğu bilinmektedir. Ürik asit yüksekliği olan hastalarda kan basıncının (KB) daha yüksek olduğu ve ürik asit düşürücü ilaç kullanımı sonrası KB düşüşünün görüldüğü bildirilmiştir.
Metod: Hastanemize hipertansiyon (HT) sebebiyle başvuran ve ambulatuar kan basıncı monitorizasyonu (AKBM) yapılan hastalarda SUA düzeyi ile ilişkisine bakıldı. Çalışmaya 310 hasta dahil edildi. SUA düzeyi enzimatik kolorimetrik otoanalizorde belirlendi. AKBM, noninvazif multitasking KB kayıt cihazları (TM2425; A&D, Tokyo, Japonya) kullanılarak gerçekleştirildi.
Sonuçlar: Hastaların %49.6’sında hiperürisemi tespit edildi. Hiperürisemi olan hastalarda gündüz, gece ve 24 saatlik diastolik kan basıncı (DKB) anlamlı düzeyde daha yüksekti (p=0.021, p=0.029 p=0.005). Hiperürisemi olan hastalarda ortalama arter basıncı (OAB) ve OAB gece değerleri daha yüksekti (p=0.022, p=0.003). Hiperürisemi olan hastalarda dipper HT olanların oranı, hiperürisemi olmayanlara göre daha az olduğu görüldü (p=0.041). Hiperürisemi olan hastalarda reverse dipper HT olma oranı, hiperürisemi olmayanlara göre daha yüksek olarak saptanmıştır (p=0.022).
Conclusion: Ürik asit yüksekliği ile DKB, reverse HT ve OAB ile ilişki saptandı. SUA'nın ölçümü kardiyovasküler riskin değerlendirilmesi ve azaltılması için değerli bir araç olabilir. Ürik asit düşürülmesinin gece kan basıncının ve DKB azaltılmasına etkisini gösteren ileri çalışmalara ihtiyaç vardır.

Anahtar Kelimeler

Ambulatuvar kan basıncı monitorizasyonu, Ürik asit, dipper-hipertansiyon, non-dipperhipertansiyon, reverse dipper hipertansiyon

Etik Beyan

Ankara Bilkent Şehir Hastanesi Etik Kurulundan E1-20-1355 onamı vardır.

Destekleyen Kurum

Yok

The Relationship Between Ambulatory Blood Pressure Monitoring and Uric Acid Level in Hypertensive Patients

Öz

Abstract
Introduction: Serum uric acid (SUA) is the end product of purine metabolism. Excessive SUA production or decreased renal excretion causes hyperuricemia. Elevated SUA is known to be a risk factor for cardiovascular diseases. It was reported that blood pressure (BP) was higher in patients with elevated uric acid and a decrease in BP was observed after the administration of uric acid-lowering drugs.
Methods: We examined the relationship between SUA levels and hypertension in patients admitted to our hospital with hypertension (HT) and undergoing ambulatory blood pressure monitoring (ABPM). A total of 310 patients were included in the study. SUA levels were determined using an enzymatic colorimetric autoanalyzer. ABPM was performed using noninvasive multitasking CR recorders (TM2425; A&D, Tokyo, Japan).
Results: Hyperuricemia was observed in 49.6% of the patients. Daytime, nocturnal, and 24-hour diastolic blood pressure (DBP) were significantly higher in patients with hyperuricemia (p=0.021, p=0.029, and p=0.005, respectively). Mean arterial pressure (MAP) and nocturnal MAP values were higher in patients with hyperuricemia (p=0.022 and p=0.003, respectively). The rate of patients with dipper HT was lower in patients with hyperuricemia than those without hyperuricemia (p=0.041). The rate of reverse-dipper HT was found to be higher in patients with hyperuricemia compared to those without hyperuricemia (p=0.022).
Conclusion: Elevated uric acid was correlated with DBP, reverse HT, and MAP. Measurement of SUA could provide a valuable aid for the assessment and reduction of cardiovascular risk. Further studies are required to assess the effect of lowering uric acid on the reduction of nocturnal BP and DBP.
Key words: Ambulatory blood pressure monitoring, uric acid, dipper hypertension, non-dipper hypertension, reverse-dipper hypertension

Anahtar Kelimeler

Ambulatory blood pressure monitoring, uric acid, dipper hypertension, non-dipper hypertension, reverse-dipper hypertension

Kaynakça

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