Maria Radzimanowski1, Christian Gallowitz2, Jacqueline Müller-Nordhorn3, Nina Rieckmann3, Bernhard Tenckhoff2. 1. Kassenärztliche Bundesvereinigung (KBV), National Association of Statutory Health Insurance Physicians, Herbert-Lewin-Platz 2, 10623 Berlin, Germany; Charité Universitätsmedizin Berlin, Institute of Public Health, Seestr. 73, Haus 10, 13347 Berlin, Germany. Electronic address: Maria.Radzimanowski@Charite.de. 2. Kassenärztliche Bundesvereinigung (KBV), National Association of Statutory Health Insurance Physicians, Herbert-Lewin-Platz 2, 10623 Berlin, Germany. 3. Charité Universitätsmedizin Berlin, Institute of Public Health, Seestr. 73, Haus 10, 13347 Berlin, Germany.
Abstract
BACKGROUND: With a mortality rate above European average, myocardial infarction (MI) is the second most common cause of death in Germany. Data about post-MI ambulatory care and mortality is scarce. We examined the association between ambulatory treating physicians' specialty and the mortality of post-MI patients. METHODS: Medical claims data of all 17 German regional Associations of Statutory Health Insurance physicians were analyzed, which cover approximately 90% of the German population. Patients with a new diagnosis of a MI in 2011 were divided into treatment groups with and without ambulant cardiology care within the first year after MI diagnosis. Propensity-score matching based on socio-demographic and clinical variables was performed to achieve comparability between groups. The 18-month mortality rate was derived employing a validated method. RESULTS: 158,494 patients with a new diagnosis of MI had received post-MI ambulatory care in 2011. Half of them (51%) had at least one ambulatory contact with a cardiologist within the first year. During a follow-up of 18months, the mortality rate before and after propensity-score matching was 19% and 14% in patients without cardiology care and 6%, respectively, in patients with cardiology care (χ2=666.7; P<0.000 after propensity adjustment). Patients who only saw a cardiologist and had no additional contact to an ambulant general practitioner (GP)/internist within the first year did not have increased survival rates. CONCLUSIONS: Outpatient follow-up care by a cardiologist in combination with consultations of GP/internists within the first year may be of importance for the prognosis of MI patients.
BACKGROUND: With a mortality rate above European average, myocardial infarction (MI) is the second most common cause of death in Germany. Data about post-MI ambulatory care and mortality is scarce. We examined the association between ambulatory treating physicians' specialty and the mortality of post-MI patients. METHODS: Medical claims data of all 17 German regional Associations of Statutory Health Insurance physicians were analyzed, which cover approximately 90% of the German population. Patients with a new diagnosis of a MI in 2011 were divided into treatment groups with and without ambulant cardiology care within the first year after MI diagnosis. Propensity-score matching based on socio-demographic and clinical variables was performed to achieve comparability between groups. The 18-month mortality rate was derived employing a validated method. RESULTS: 158,494 patients with a new diagnosis of MI had received post-MI ambulatory care in 2011. Half of them (51%) had at least one ambulatory contact with a cardiologist within the first year. During a follow-up of 18months, the mortality rate before and after propensity-score matching was 19% and 14% in patients without cardiology care and 6%, respectively, in patients with cardiology care (χ2=666.7; P<0.000 after propensity adjustment). Patients who only saw a cardiologist and had no additional contact to an ambulant general practitioner (GP)/internist within the first year did not have increased survival rates. CONCLUSIONS:Outpatient follow-up care by a cardiologist in combination with consultations of GP/internists within the first year may be of importance for the prognosis of MI patients.
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