What question did this study set out to answer?

To examine the effects of volume status on blood pressure parameters and left ventricular mass index in patients receiving maintenance hemodialysis.

April 30, 2011Renal FailureOpen Access

Impact of Volume Status on Blood Pressure and Left Ventricle Structure in Patients Undergoing Chronic Hemodialysis

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Why the study?

Does hypervolemia increase blood pressure and left ventricular mass index in patients undergoing chronic hemodialysis?

Key Points

To examine the effects of volume status on blood pressure parameters and left ventricular mass index in patients receiving maintenance hemodialysis.
Evaluated 74 chronic hemodialysis patients (36 females, 38 males; mean age 53.5 ± 15.3 years) treated for at least 3 months, categorized into normovolemic (n=38) and hypervolemic (n=36) groups.
Concurrently measured 24-hour ambulatory blood pressure monitoring and echocardiographic parameters the day following a midweek dialysis session.
Assessed clinical metrics including interdialytic weight gain, ultrafiltration percentage, Kt/V urea, and routine serum biochemistries.
Left ventricular hypertrophy was present in 91.7% (33/36) of hypervolemic patients compared to 55.3% (21/38) of normovolemic patients (p < 0.001), with valvular damage also occurring more frequently in hypervolemia (p = 0.002).
Blood pressure dipping patterns did not differ significantly between normovolemic (28.9%) and hypervolemic (22.2%) groups (p = 0.50).
Left ventricular mass index correlated positively with cardiothoracic index, pre- and post-dialysis blood pressure, interdialytic weight gain, ultrafiltration, and 24-hour ambulatory blood pressure, while correlating negatively with Kt/V urea and serum albumin.

Structured PICO

Does hypervolemia increase blood pressure and left ventricular mass index in patients undergoing chronic hemodialysis?

Population

74 patients on chronic hemodialysis (HD) treatment for at least 3 months (36 female / 38 male, mean age 53.5 ± 15.3 years, mean HD time 41.5 ± 41 months).

Intervention

Hypervolemic status

Comparator

Normovolemic status

Outcome

Blood pressure (BP) and left ventricular mass index (LVMI)surrogate

Increased volume status in chronic hemodialysis patients is associated with elevated blood pressure and a significantly higher prevalence of left ventricular hypertrophy.

Discussion

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Implication

Hypervolemia was associated with higher LVH prevalence in HD patients; hypothesis-generating and requires prospective trials before guiding volume management.

Cite This Study

Koç et al. (2011) studied this question.

synapsesocial.com/papers/6a8be36971fd1aba2c8b954c https://doi.org/10.3109/0886022x.2011.565139

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Implication

Hypervolemia was associated with higher LVH prevalence in HD patients; hypothesis-generating and requires prospective trials before guiding volume management.

Impact of Volume Status on Blood Pressure and Left Ventricle Structure in Patients Undergoing Chronic Hemodialysis

Key Points

Structured PICO

Discussion

Implication

Cite This Study

Impact of Volume Status on Blood Pressure and Left Ventricle Structure in Patients Undergoing Chronic Hemodialysis

Key Points

Structured PICO

Discussion

Implication

Cite This Study

Also Consider

Also Consider