Study |
Number of Participants |
Initial Diet Requirements |
Interventions |
|
Intervention period |
|
|
|
Low sodium diet |
High sodium diet |
|
Asthma studies |
|
|
|
|
|
Burney 1989 |
36 |
Low sodium diet |
Low sodium diet and placebo tablets |
Low sodium diet and 80 mmol of sodium a day |
Cross‐over 2 weeks each limb |
Lieberman 1992 |
17 |
Low sodium diet used for hypertension |
Low sodium diet |
Add sodium to diet and consuming 34 mmol of sodium a day |
Cross‐over 2 weeks each limb |
Carey 1993 |
27 |
Low sodium diet aiming for 80 mmol of sodium a day |
Low sodium diet and placebo tablets |
Low sodium diet and 200 mmol of sodium a day |
Cross‐over 5 weeks each limb |
Medici 1993 |
18 |
Low sodium diet aiming for 86 to 103 mmol of sodium a day |
Low sodium diet and placebo tablets |
Low sodium diet and 154 mmol of sodium a day |
Cross‐over 3 weeks each limb |
Pogson 2008 |
220 |
Low sodium diet aiming for 80 mmol of sodium a day |
Low sodium diet and placebo tablets |
Low sodium diet and 80 mmol of sodium a day |
Parallel group 6 weeks intervention period |
Exercise‐ induced asthma studies |
|
|
|
|
|
Mickleborough 2000 |
15 |
Meal plan aiming for 65 mmol of sodium a day |
Low sodium diet and placebo tablets |
Low sodium diet and 174 mmol of sodium a day |
Cross‐over 2 weeks each limb |
Mickleborough 2001b |
16 |
Meal plan aiming for 65 mmol of sodium a day |
Low sodium diet and placebo tablets |
Low sodium diet and 174 mmol of sodium a day (sodium bicarbonate) |
Cross‐over 2 weeks each limb |
Gotshall 2000 |
8 |
Meal plan aiming for 65 mmol of sodium a day |
Low sodium diet and placebo tablets |
Low sodium diet and 174 mmol of sodium a day |
Cross‐over 2 weeks each limb |
Mickleborough 2005 |
24 |
Meal plan aiming for 65 mmol of sodium a day |
Low sodium diet and placebo tablets |
Low sodium diet and 174 mmol of sodium a day |
Cross‐over 2 weeks each limb |