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Title: Influence of pacing mode and rate on peripheral levels of atrial natriuretic peptide (ANP). Author: Noll B, Krappe J, Göke B, Maisch B. Journal: Pacing Clin Electrophysiol; 1989 Nov; 12(11):1763-8. PubMed ID: 2478976. Abstract: The effect of acute modifications of pacing mode and rate on plasma ANP levels was evaluated. ANP was determined in ten resting patients with DDD pacemakers due to binodal disease or intermittent second-and third-degree AV block. At 82/minute pacing rate the ANP plasma levels (normal range 2 to 30 fmol/mL) corresponded to those under AAI (4.05 +/- 2.10 fmol/mL) and DDD (4.18 +/- 2.02 fmol/mL) pacing, but increased significantly (P 0.05) during VVI pacing (6.96 +/- 3.70 fmol/mL). Acceleration of DDD stimulation frequency from 82 to 113/minutes led to significant increase of ANP levels by the factor of three in all chosen AV delays. The lowest ANP plasma levels were measured at 175 msec AV delay under 82/minute pacing rate in DDD mode. Under 113/minutes the differences of ANP concentration after variations of AV delays were less pronounced. The influences of altered atrial pressure and tension on ANP release are discussed to account for changes in ANP plasma levels following different modes and rates of pacemaker stimulation.[Abstract] [Full Text] [Related] [New Search]