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.jpg): Failed to open stream: No such file or directory in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 117 J+Hum+Hypertens
2016 ; 30
(6
): 368-73
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Screening for non-adherence to antihypertensive treatment as a part of the
diagnostic pathway to renal denervation
#MMPMID26446393
Patel P
; Gupta PK
; White CM
; Stanley AG
; Williams B
; Tomaszewski M
J Hum Hypertens
2016[Jun]; 30
(6
): 368-73
PMID26446393
show ga
Renal denervation is a potential therapeutic option for resistant hypertension. A
thorough clinical assessment to exclude reversible/spurious causes of resistance
to antihypertensive therapy is required prior to this procedure. The extent to
which non-adherence to antihypertensive treatment contributes to apparent
resistance to antihypertensive therapy in patients considered for renal
denervation is not known. Patients (n=34) referred for renal denervation entered
the evaluation pathway that included screening for adherence to antihypertensive
treatment by high-performance liquid chromatography-tandem mass
spectrometry-based urine analysis. Biochemical non-adherence to antihypertensive
treatment was the most common cause of non-eligibility for renal
denervation-23.5% of patients were either partially or completely non-adherent to
prescribed antihypertensive treatment. About 5.9% of those referred for renal
denervation had admitted non-adherence prior to performing the screening test.
Suboptimal pharmacological treatment of hypertension and 'white-coat effect'
accounted for apparently resistant hypertension in a further 17.7 and 5.9% of
patients, respectively. Taken together, these three causes of pseudo-resistant
hypertension accounted for 52.9% of patients referred for renal denervation. Only
14.7% of referred patients were ultimately deemed eligible for renal denervation.
Without biochemical screening for therapeutic non-adherence, the eligibility rate
for renal denervation would have been 38.2%. Non-adherence to antihypertensive
treatment and other forms of therapeutic pseudo-resistance are by far the most
common reason of 'resistant hypertension' in patients referred for renal
denervation. We suggest that inclusion of biochemical screening for non-adherence
to antihypertensive treatment may be helpful in evaluation of patients with
'resistant hypertension' prior to consideration of renal denervation.