title: Effects of meperidine spinal anesthesia on hemodynamics, plasma catecholamines, angiotensin I, aldosterone, and histamine concentrations in elderly men.
mesh_terms: D000368:Aged; D000450:Aldosterone / Q000097:blood*; D000775:Anesthesia, Spinal; D000803:Angiotensin I / Q000097:blood*; D000809:Angiotensins / Q000097:blood*; D001794:Blood Pressure / Q000187:drug effects; D002302:Cardiac Output / Q000187:drug effects; D002395:Catecholamines / Q000097:blood*; D006339:Heart Rate / Q000187:drug effects; D006439:Hemodynamics / Q000187:drug effects*; D006632:Histamine / Q000097:blood*; D006801:Humans; D007278:Injections, Spinal; D008297:Male; D008614:Meperidine / Q000494:pharmacology*; D008875:Middle Aged; D011669:Pulmonary Wedge Pressure / Q000187:drug effects; D012083:Renin / Q000097:blood; D013997:Time Factors
chemical_list: D000809:Angiotensins; D002395:Catecholamines; D000450:Aldosterone; D006632:Histamine; D000803:Angiotensin I; D008614:Meperidine; D012083:Renin