Increased P Wave Dispersion and Maximum P Wave Duration after Hemodialysis

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dc.contributor.authorTezcan U.K.
dc.contributor.authorAmasyali B.
dc.contributor.authorCan I.
dc.contributor.authorAytemir K.
dc.contributor.authorKöse S.
dc.contributor.authorYavuz I.
dc.contributor.authorKursaklioglu H.
dc.contributor.authorIşik E.
dc.contributor.authorDemirtaş E.
dc.contributor.authorOto A.
dc.date.accessioned2025-04-10T11:17:49Z
dc.date.available2025-04-10T11:17:49Z
dc.date.issued2004
dc.description.abstractBackground: Atrial fibrillation is a frequent arrhythmia in patients undergoing hemodialysis. The consequences of hemodialysis on P wave durations and P wave dispersion have not been fully understood. The objective of this study was to study the effect of dialysis on P wave maximum (Pmax), P wave minimum (Pmin), and P wave dispersion (Pd). Methods: We studied Pmax, Pmin, and Pd in 32 patients (17 men and 15 women, mean age 54 ± 18 years) with chronic renal failure undergoing hemodialysis. The difference between maximum and minimum P wave duration was calculated and defined as P wave dispersion (P d = Pmax - Pmin). Results: There was a significant increase in Pmax at the end of dialysis compared to the beginning (98 ± 13 ms vs. 125 ± 12 ms, P < 0.001). P min did not show any significant change (71 ± 11 ms vs. 73 ± 10 ms, P = 0.42). Pd was significantly increased at the end of dialysis (27 ± 9 ms vs. 52 ± 11 ms, P < 0.001). There was a negative correlation between serum potassium, magnesium, phosphate, blood urea nitrogen, and creatinin at the end of dialysis and Pmax and P d respectively (P < 0.05). A weak positive correlation was found between serum calcium, bicarbonate at the end of dialysis and Pmax and Pd (P < 0.05). Conclusion: Hemodialysis ends with significant increase in P wave maximum duration and P wave dispersion, which might be responsible for the increased occurrence of atrial fibrillation in these groups of patients.
dc.identifier.DOI-ID10.1111/j.1542-474X.2004.91529.x
dc.identifier.urihttp://hdl.handle.net/20.500.14701/52964
dc.titleIncreased P Wave Dispersion and Maximum P Wave Duration after Hemodialysis
dc.typeArticle

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