{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,28]],"date-time":"2026-09-28T21:11:31Z","timestamp":1790629891609,"version":"4.1.0"},"reference-count":41,"publisher":"Ovid Technologies (Wolters Kluwer Health)","issue":"3","content-domain":{"domain":["www.ahajournals.org"],"crossmark-restriction":true},"short-container-title":["Circulation"],"published-print":{"date-parts":[[1996,8]]},"abstract":"<jats:p>\n            <jats:italic>Background<\/jats:italic>\n            Inhaled nitric oxide (NO) is a selective pulmonary vasodilator that reduces pulmonary vascular resistance (PVR) in patients with primary pulmonary hypertension. Their responses to inhaled NO predict their responses to other vasodilators, such as prostacyclin, and provide an estimate of the \u201cfixed\u201d component of their increased PVR. Some patients with limited cutaneous systemic sclerosis develop isolated pulmonary hypertension with a similar clinical course. Therefore, we have measured the acute hemodynamic response to inhaled NO in such patients.\n          <\/jats:p>\n          <jats:p>\n            <jats:italic>Methods and Results<\/jats:italic>\n            Seven patients were studied during inhalation of increasing concentrations of NO (0 to 80 ppm). Complete hemodynamic data were collected on five patients. They demonstrated a selective, dose-dependent, and rapidly reversible fall in PVR (34%) and mean pulmonary artery pressure (17%). There was a nonsignificant increase in cardiac index but no change in mean arterial pressure or systemic vascular resistance. The mean right atrial pressure fell (27%), but there was no change in pulmonary artery occlusion pressure. Of the seven patients, five responded to inhaled NO (\u226440 ppm) with a decrease in total pulmonary resistance of at least 20%.\n          <\/jats:p>\n          <jats:p>\n            <jats:italic>Conclusions<\/jats:italic>\n            Inhaled NO is an effective and selective pulmonary vasodilator in a significant number of patients with pulmonary hypertension associated with limited cutaneous systemic sclerosis. It may be useful in determining the potentially reversible contribution to the increased PVR and should be considered for patients with acute pulmonary vascular crisis.\n          <\/jats:p>","DOI":"10.1161\/01.cir.94.3.477","type":"journal-article","created":{"date-parts":[[2012,6,12]],"date-time":"2012-06-12T00:34:42Z","timestamp":1339461282000},"page":"477-482","update-policy":"https:\/\/doi.org\/10.1161\/crossmarkpolicy","source":"Crossref","is-referenced-by-count":26,"title":["Acute Hemodynamic Responses to Inhaled Nitric Oxide in Patients With Limited Scleroderma and Isolated Pulmonary Hypertension"],"prefix":"10.1161","volume":"94","author":[{"given":"D.J.","family":"Williamson","sequence":"first","affiliation":[{"name":"the Centre for Immunology (D.J.W., L.L.W., R.P.), Department of Cardiology (C.H.), Respiratory Function Laboratory (P.R.), and Cardiopulmonary Transplant Unit (P.S.M.), St. Vincent's Hospital, Darlinghurst, and the Department of Rheumatology (A.D.S.), St. George Hospital, Kogarah, Australia."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"C.","family":"Hayward","sequence":"additional","affiliation":[{"name":"the Centre for Immunology (D.J.W., L.L.W., R.P.), Department of Cardiology (C.H.), Respiratory Function Laboratory (P.R.), and Cardiopulmonary Transplant Unit (P.S.M.), St. Vincent's Hospital, Darlinghurst, and the Department of Rheumatology (A.D.S.), St. George Hospital, Kogarah, Australia."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"P.","family":"Rogers","sequence":"additional","affiliation":[{"name":"the Centre for Immunology (D.J.W., L.L.W., R.P.), Department of Cardiology (C.H.), Respiratory Function Laboratory (P.R.), and Cardiopulmonary Transplant Unit (P.S.M.), St. Vincent's Hospital, Darlinghurst, and the Department of Rheumatology (A.D.S.), St. George Hospital, Kogarah, Australia."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"L.L.","family":"Wallman","sequence":"additional","affiliation":[{"name":"the Centre for Immunology (D.J.W., L.L.W., R.P.), Department of Cardiology (C.H.), Respiratory Function Laboratory (P.R.), and Cardiopulmonary Transplant Unit (P.S.M.), St. Vincent's Hospital, Darlinghurst, and the Department of Rheumatology (A.D.S.), St. George Hospital, Kogarah, Australia."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"A.D.","family":"Sturgess","sequence":"additional","affiliation":[{"name":"the Centre for Immunology (D.J.W., L.L.W., R.P.), Department of Cardiology (C.H.), Respiratory Function Laboratory (P.R.), and Cardiopulmonary Transplant Unit (P.S.M.), St. Vincent's Hospital, Darlinghurst, and the Department of Rheumatology (A.D.S.), St. George Hospital, Kogarah, Australia."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"R.","family":"Penny","sequence":"additional","affiliation":[{"name":"the Centre for Immunology (D.J.W., L.L.W., R.P.), Department of Cardiology (C.H.), Respiratory Function Laboratory (P.R.), and Cardiopulmonary Transplant Unit (P.S.M.), St. Vincent's Hospital, Darlinghurst, and the Department of Rheumatology (A.D.S.), St. George Hospital, Kogarah, Australia."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"P.S.","family":"Macdonald","sequence":"additional","affiliation":[{"name":"the Centre for Immunology (D.J.W., L.L.W., R.P.), Department of Cardiology (C.H.), Respiratory Function Laboratory (P.R.), and Cardiopulmonary Transplant Unit (P.S.M.), St. Vincent's Hospital, Darlinghurst, and the Department of Rheumatology (A.D.S.), St. George Hospital, Kogarah, Australia."}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"276","reference":[{"key":"e_1_3_1_1_2","doi-asserted-by":"publisher","DOI":"10.1016\/S0950-3579(05)80269-9"},{"key":"e_1_3_1_2_2","doi-asserted-by":"publisher","DOI":"10.1016\/S0738-081X(94)90328-X"},{"key":"e_1_3_1_3_2","unstructured":"Silver R. 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