Increased secretion of atrial natriuretic polypeptide in response to cardiac pacing. 1989

K Obata, and H Yasue, and K Okumura, and K Matsuyama, and H Ogawa, and M Kurose, and K Nakao, and H Imura
Division of Cardiology, Kumamoto University Medical School, Japan.

Effects of cardiac pacing on secretion of atrial natriuretic polypeptide (ANP) were examined in 20 patients during cardiac catheterization under control conditions. The plasma ANP concentration in the coronary sinus (900 +/- 115 pg/ml) was significantly higher than those in the aorta (147 +/- 19 pg/ml) and the femoral vein (105 +/- 15 pg/ml) (p less than 0.001). The plasma ANP concentration was also significantly higher in the aorta than in the femoral vein (p less than 0.001). Its concentration at all three sites significantly increased during cardiac pacing (from 900 +/- 115 to 1461 +/- 218, from 147 +/- 19 to 250 +/- 36, and from 105 +/- 15 to 150 +/- 24 pg/ml, respectively). However, mean right atrial pressure and mean pulmonary capillary wedge pressure showed no significant changes between control conditions and during pacing (5 +/- 1 vs 6 +/- 1, and 8 +/- 1 vs 8 +/- 1 mmHg). Furthermore, there was no significant correlation between ANP secretion and the pressure in both atria. Thus, cardiac pacing can release ANP from the heart without increasing atrial pressure.

UI MeSH Term Description Entries
D008297 Male Males
D008875 Middle Aged An adult aged 45 - 64 years. Middle Age
D009320 Atrial Natriuretic Factor A potent natriuretic and vasodilatory peptide or mixture of different-sized low molecular weight PEPTIDES derived from a common precursor and secreted mainly by the HEART ATRIUM. All these peptides share a sequence of about 20 AMINO ACIDS. ANF,ANP,Atrial Natriuretic Peptide,Atrial Natriuretic Peptides,Atriopeptins,Auriculin,Natriuretic Peptides, Atrial,ANF (1-126),ANF (1-28),ANF (99-126),ANF Precursors,ANP (1-126),ANP (1-28),ANP Prohormone (99-126),ANP-(99-126),Atrial Natriuretic Factor (1-126),Atrial Natriuretic Factor (1-28),Atrial Natriuretic Factor (99-126),Atrial Natriuretic Factor Precursors,Atrial Natriuretic Factor Prohormone,Atrial Natriuretic Peptide (1-126),Atrial Pronatriodilatin,Atriopeptigen,Atriopeptin (1-28),Atriopeptin (99-126),Atriopeptin 126,Atriopeptin Prohormone (1-126),Cardiodilatin (99-126),Cardiodilatin Precursor,Cardionatrin I,Cardionatrin IV,Prepro-ANP,Prepro-CDD-ANF,Prepro-Cardiodilatin-Atrial Natriuretic Factor,Pro-ANF,ProANF,Proatrial Natriuretic Factor,Pronatriodilatin,alpha ANP,alpha-ANP Dimer,alpha-Atrial Natriuretic Peptide,beta-ANP,beta-Atrial Natriuretic Peptide,gamma ANP (99-126),gamma-Atrial Natriuretic Peptide,Natriuretic Peptide, Atrial,Peptide, Atrial Natriuretic,Peptides, Atrial Natriuretic,Prepro ANP,Prepro CDD ANF,Prepro Cardiodilatin Atrial Natriuretic Factor,Pro ANF,alpha ANP Dimer,alpha Atrial Natriuretic Peptide,beta ANP,beta Atrial Natriuretic Peptide,gamma Atrial Natriuretic Peptide
D011669 Pulmonary Wedge Pressure The blood pressure as recorded after wedging a CATHETER in a small PULMONARY ARTERY; believed to reflect the PRESSURE in the pulmonary CAPILLARIES. Pulmonary Artery Wedge Pressure,Pulmonary Capillary Wedge Pressure,Pulmonary Venous Wedge Pressure,Wedge Pressure,Pressure, Pulmonary Wedge,Pressures, Pulmonary Wedge,Pulmonary Wedge Pressures,Wedge Pressure, Pulmonary,Wedge Pressures, Pulmonary,Pressure, Wedge,Pressures, Wedge,Wedge Pressures
D001794 Blood Pressure PRESSURE of the BLOOD on the ARTERIES and other BLOOD VESSELS. Systolic Pressure,Diastolic Pressure,Pulse Pressure,Pressure, Blood,Pressure, Diastolic,Pressure, Pulse,Pressure, Systolic,Pressures, Systolic
D002304 Cardiac Pacing, Artificial Regulation of the rate of contraction of the heart muscles by an artificial pacemaker. Pacing, Cardiac, Artificial,Artificial Cardiac Pacing,Artificial Cardiac Pacings,Cardiac Pacings, Artificial,Pacing, Artificial Cardiac,Pacings, Artificial Cardiac
D003326 Coronary Circulation The circulation of blood through the CORONARY VESSELS of the HEART. Circulation, Coronary
D005260 Female Females
D006325 Heart Atria The chambers of the heart, to which the BLOOD returns from the circulation. Heart Atrium,Left Atrium,Right Atrium,Atria, Heart,Atrium, Heart,Atrium, Left,Atrium, Right
D006439 Hemodynamics The movement and the forces involved in the movement of the blood through the CARDIOVASCULAR SYSTEM. Hemodynamic

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