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Meneely, William; Munroe, Mary H.; Winjum, Roberta; Meneely, Kathleen

doi:10.1300/j123v19n03_22

The Serials Librarian

1991

DOI: 10.1300/j123v19n03_22

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William Meneely

Mary H. Munroe

Roberta Winjum

et al.

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1997

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“…1 The pioneering studies of Meneely et al 2 showed that dietary potassium supplementation protects rats from premature ously hypertensive rats (SHRSP) to protect against the development of stroke, to prolong survival, and to prevent structural lesions in small arterial vessels. They reported that the beneficial effects were demonstrable in the absence of any significant reduction in arterial blood pressure.…”

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confidence: 99%

Relation of plasma renin to end organ damage and to protection of K+ feeding in stroke-prone hypertensive rats.

et al. 1990

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We studied the effects of regular diet (035% NaCl/1.1% potassium), high sodium diet (4% NaCl/0.75% potassium), or high sodium and high potassium diet (4% NaQ/2.11% potassium) on blood pressure, plasma renin activity, renal and cerebrovascular lesions, and incidence of stroke and mortality in male stroke-prone spontaneously hypertensive rats (SHRSP). In the first 4 weeks, the rise in blood pressure was higher hi high NaQ than in high NaCI/high potassium or regular diet groups. However, by 8 and 12 weeks, the blood pressure in all three groups was similar. After 4 weeks of diet, plasma renin activity was similar in the three groups (3.4±0.8, 4.1±0.9, and 52±1.6 ng/ml/hr, in high NaO, high NaCI/high potassium, and regular diet groups, respectively) and were not related to sodium excretion. After 8 weeks, plasma renin activity was significantly increased only in the high NaQ group (13.7±3.7 ng/ml/hr), and by 12 weeks plasma renin activity was significantly higher in the high NaCl group (253 ±3.6 ng/ml/hr) than in the high NaCI/high potassium (11.1±2.9 ng/ml/hr) or in the regular diet (7.8±4.6 ng/ml/hr) groups. Moderate to severe renal vascular lesions were first detected in the high NaQ group by 8 weeks of diet At 12 weeks, renal vascular damage index (RVDI), estimated hlstologically, was significantly higher in the high NaCl group (RVDI=79±14) than hi the high NaCI/high potassium (RVDI=40±ll) and regular diet (RVDI=7.8±4.6) groups. At this time, incidence of stroke was 81% in high NaCl, 24.5% in high NaCI/high potassium, and 7.7% in regular diet groups. Hie data demonstrate that: 1) the increase in mortality, stroke, and renal and cerebrovascular lesions in SHRSP fed a high sodium diet is associated with a paradoxical rise in plasma renin activity; 2) the protective effect of high potassium hi SHRSP fed a high potassium diet is related to a lower blood pressure at 2 -4 weeks and a lower plasma renin activity, but not a lower blood pressure at 8-12 weeks; 3) this rise in plasma renin activity demonstrates that a high potassium diet suppresses or delays a primary or secondary paradoxical rise hi plasma renin activity and thus, angiotensin JJ in the rats fed a high sodium diet This action together with possible direct effects of potassium hi the vasculature contributes to the protective effect on end organ damage and stroke hi SHRSP. {Hypertension 1990;15:318-326)

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confidence: 99%

Relation of plasma renin to end organ damage and to protection of K+ feeding in stroke-prone hypertensive rats.

et al. 1990

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Serials financial management reports: Application of spreadsheet software for internal control of serials financial planning

Gill¹

1997

Serials Review

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Serials financial management reports: Application of spreadsheet software for internal control of serials financial planning

Gill¹

1997

Serials Review

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Cited by 3 publications

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Relation of plasma renin to end organ damage and to protection of K+ feeding in stroke-prone hypertensive rats.

Relation of plasma renin to end organ damage and to protection of K+ feeding in stroke-prone hypertensive rats.

Serials financial management reports: Application of spreadsheet software for internal control of serials financial planning

Serials financial management reports: Application of spreadsheet software for internal control of serials financial planning

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