Dietary counselling has no effect on cardiovascular risk factors among Chinese Grade 1 hypertensive patients: a randomized controlled trial.
Eur Heart J
; 36(38): 2598-607, 2015 10 07.
Article
in En
| MEDLINE
| ID: mdl-26264550
ABSTRACT
AIMS:
To evaluate the effectiveness of Dietary Approaches to Stop Hypertension (DASH) by one-off dietary counselling on reducing cardiovascular risk factors among Chinese Grade 1 hypertensive patients in primary care. METHODS ANDRESULTS:
A parallel-group, randomized controlled trial (ChiCTR-TRC-13003014) was conducted among patients (40-70 years old) newly diagnosed with Grade 1 hypertension in primary care settings in Hong Kong. Subjects were randomized to usual care (standard education, control) (n = 275), or usual care plus DASH-based dietary counselling (intervention) (n = 281). The study endpoints included blood pressure (BP), lipid profile, and body mass index (BMI) at 6- and 12-months. Outcome data were available for 504 (90.6%) and 485 (87.2%) patients at 6 and 12 months, respectively. Blood pressure levels reduced in both groups at follow-ups. However, the intervention group did not show a significantly greater reduction in either systolic BP (-0.7 mmHg, 95%CI -3.0-1.5 at 6-month; -0.1 mmHg, 95%CI -2.4-2.2 at 12-month) or diastolic BP (-1.0 mmHg, 95%CI -2.7-0.7 at 6-month; -1.1 mmHg, 95%CI -2.9-0.6 at 12-month), when compared with the control group. The improvements in lipid profile and BMI were observed among all subjects, yet no significant differences were detected between intervention and control groups.CONCLUSION:
The DASH diet by one-off dietitian counselling which resembled the common primary care practice might confer no added long-term benefits on top of physician's usual care in optimizing cardiovascular risk factors. Physicians may still practice standard usual care, yet further explorations on different DASH delivery models are warranted to inform best clinical practice.Key words
Full text:
1
Collection:
01-internacional
Health context:
1_ASSA2030
/
2_ODS3
Database:
MEDLINE
Main subject:
Patient Education as Topic
/
Counseling
/
Hypertension
Type of study:
Clinical_trials
/
Etiology_studies
/
Prognostic_studies
/
Risk_factors_studies
Limits:
Adult
/
Aged
/
Female
/
Humans
/
Male
/
Middle aged
Country/Region as subject:
Asia
Language:
En
Journal:
Eur Heart J
Year:
2015
Document type:
Article