Beneficios de un modelo asistencial integral en pacientes ancianos con insuficiencia cardíaca y elevada comorbilidad: programa UMIPIC / Morbidity and mortality in elderly patients with heart failure managed with a comprehensive care model vs. usual care: The UMIPIC program

Antecedentes: Los pacientes ancianos con insuficiencia cardíaca (IC) presentan una elevada comorbilidad que conlleva una atención fragmentada, con frecuentes hospitalizaciones y alta mortalidad. En este estudio se evaluó el beneficio de un modelo asistencial caracterizado por una atención integral y continuada (programa UMIPIC), en pacientes con IC de edad avanzada. Métodos y resultados: Se analizaron prospectivamente 2.862 pacientes con IC atendidos en servicios de Medicina Interna, procedentes del registro RICA. Se dividieron en 2 grupos: uno en seguimiento en el programa UMIPIC (grupo UMIPIC, n: 809) y otro atendido de forma convencional (grupo RICA, n: 2053). Se evaluaron los reingresos por IC durante 12 meses de seguimiento y la mortalidad total tras un episodio de hospitalización por IC. Los pacientes del grupo UMIPIC tuvieron más edad, comorbilidades y fracción de eyección preservada que los del grupo RICA. Sin embargo, el grupo UMIPIC tuvo una menor tasa de reingresos por IC (17 frente a 26%, p<0,001) y de mortalidad (16 frente a 27%, respectivamente, p<0,001). Se seleccionaron por emparejamiento (propensity score matching) 370 pacientes de cada grupo, manteniéndose las diferencias en reingresos por IC (15% UMIPIC frente a 30% RICA; hazard ratio [HR]=0,44; intervalo de confianza del 95%: 0,32-0,60; p<0,001) y mortalidad (17% UMIPIC frente a 28% RICA; hazard ratio=0,58; intervalo de confianza del 95%: 0,42-0,79; p=0,001). Conclusiones: La implantación del programa UMIPIC, basado en una atención integral y continuada a pacientes ancianos con IC y elevada comorbilidad, disminuye significativamente los reingresos por IC y la mortalidad total (AU)

Background: Elderly patients with heart failure (HF) have a high degree of comorbidity which leads to fragmented care, with frequent hospitalizations and high mortality. This study evaluated the benefit of a comprehensive continuous care model (UMIPIC program) in elderly HF patients. Methods and results: We prospectively analyzed data from the RICA registry on 2,862 patients with HF treated in internal medicine departments. They were divided into two groups: one monitored in the UMIPIC program (UMIPIC group, n: 809) and another which received conventional care (RICA group, n: 2.053). We evaluated HF readmissions during 12 months of follow-up and total mortality after episodes of HF hospitalization. UMIPIC patients were older with higher rates of comorbidity and preserved ejection fraction than the RICA group. However, the UMIPIC group had a lower rate of HF readmissions (17% vs. 26%, p<.001) and mortality (16% vs. 27%, respectively; p<.001). In addition, we selected 370 propensity score-matched patients from each group and the differences in HF readmissions (15% UMIPIC vs. 30% RICA; hazard ratio [HR]=0.44; 95% confidence interval [CI] 0.32-0.60; p<.001) and mortality (17% UMIPIC vs. 28% RICA; hazard ratio=0.58; 95% CI 0.42-0.79; p=.001) were maintained. Conclusions: The implementation of the UMIPIC program, based on comprehensive continuous care of elderly patients with HF and high comorbidity, markedly reduce HF readmissions and total mortality (AU)

Morbidity and mortality in elderly patients with heart failure managed with a comprehensive care model vs. usual care: The UMIPIC program.

BACKGROUND: Elderly patients with heart failure (HF) have a high degree of comorbidity which leads to fragmented care, with frequent hospitalizations and high mortality. This study evaluated the benefit of a comprehensive continuous care model (UMIPIC program) in elderly HF patients. METHODS AND RESULTS: We prospectively analyzed data from the RICA registry on 2862 patients with HF treated in internal medicine departments. They were divided into two groups: one monitored in the UMIPIC program (UMIPIC group, n: 809) and another which received conventional care (RICA group, n: 2.053). We evaluated HF readmissions during 12 months of follow-up and total mortality after episodes of HF hospitalization. UMIPIC patients were older with higher rates of comorbidity and preserved ejection fraction than the RICA group. However, the UMIPIC group had a lower rate of HF readmissions (17% vs. 26%, p < .001) and mortality (16% vs. 27%, respectively; p < .001). In addition, we selected 370 propensity score-matched patients from each group and the differences in HF readmissions (15% UMIPIC vs. 30% RICA; hazard ratio [HR] = 0.44; 95% confidence interval [CI] 0.32-0.60; p < .001) and mortality (17% UMIPIC vs. 28% RICA; hazard ratio = 0.58; 95% CI 0.42-0.79; p = .001) were maintained. CONCLUSIONS: The implementation of the UMIPIC program, based on comprehensive continuous care of elderly patients with HF and high comorbidity, markedly reduce HF readmissions and total mortality.

A review of the state of research into the role of iron in stroke.

Iron is a double edged sword for living systems, as it is essential for a wide range of metabolic processes while it also has potential deletereous effects. Oxidative metabolism during ischaemic stroke together with high iron content in the brain synergise to increase the oxidative damage. High plasma ferritin, as a measurement of iron stores, and high cerebrospinal fluid ferritin have been related to poor outcome in stroke patients. Iron has been found in pooled gruels of atheromatous lesions and has been related to other diseases. Further epidemiological studies are required to determine the effect of iron on the development of cardiovascular diseases. Until the precise effect of iron overloading is established it is recommended that iron supplements should only be prescribed when there is a clear deficiency.

Hierro e infarto cerebral / Iron and cerebral infarction

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Body iron stores and early neurologic deterioration in acute cerebral infarction.

BACKGROUND: Iron-dependent free radicals formation has been related to greater damage in cerebral ischemia. The authors analyzed whether increased body iron stores were associated with early neurologic worsening and excitatory amino acid release in patients with acute ischemic stroke. METHODS: Ferritin, total iron, and glutamate concentrations in plasma and CSF were measured on admission in 100 consecutive patients with a cerebral infarction of <24 hours' duration. The authors diagnosed progressing stroke when the Canadian Stroke Scale score decreased one or more points between admission and 48 hours. Cranial CT was performed on admission and repeated on days 4 to 7 of hospitalization. RESULTS: Ferritin concentrations in plasma (median 391, range 119 to 500 versus 148, 21 to 399 ng/mL) and in CSF (17.4, 6.8 to 82, versus 4.8, 0.6 to 14 ng/mL) were significantly higher in the 45 patients with subsequent progressing stroke than in those with nonprogressing stroke (p < 0.001). There was a positive correlation between ferritin and glutamate concentrations in plasma (r = 0.81, p < 0.001) and CSF (r = 0.64, p < 0.001). Plasma ferritin concentrations >275 ng/mL in plasma (OR, 33.5; 95% CI, 4.7 to 235) and >11 ng/mL in CSF (OR, 11.4; 95% CI, 3. 1 to 41) were independently and significantly related to early neurologic worsening. The effect was reduced by >60% after controlling for glutamate concentrations, but remained significant. CONCLUSIONS: High plasma and CSF ferritin concentrations within the first 24 hours from the onset of ischemic stroke are associated with early neurologic deterioration. Increased body iron stores may contribute to stroke progression by enhancing the cytotoxic mechanisms in cerebral ischemia.

[Prospective study of 198 community acquired pneumonias in a general hospital]. / Estudio prospectivo de 198 neumonías adquiridas en la comunidad atendidas en un hospital general.

BACKGROUND: Pneumonia is a common medical problem with a significant mortality and morbidity. It is the leading infectious disease in hospital admissions. We conducted a one year prospective study of the patients over 14 years of age that had been diagnosed of community-acquired pneumonia in our institution. The objective was to determinate the clinical characteristics and the aetiological agents of pneumonia in our geographic area and to know which factors are related with the evolution and prognosis of this disease. PATIENTS AND METHODS: A medical team evaluated and followed-up all the patients diagnosed of community-acquired pneumonia. Epidemiological, clinical, radiological and laboratory data were recorded. An attempt to obtain an aetiological diagnosis was done by means of sputum, blood cultures and serologic studies at admission and between third and fourth week later. In individualized patients invasive techniques were performed. We classified the patients in five groups according to previous criteria defined in the guidelines of our hospital based in age, the presence of an underlying disease and the severity in the initial presentation. RESULTS: 274 patients received an initial diagnosis of pneumonia, in 76 (28%) this initial diagnosis was not confirmed. The mean age of the remaining 198 was 55 years. 62% were men. 40% had an identifiable microbiological etiology. The main causal microorganism was Streptococcus pneumoniae followed by Mycoplasma pneumoniae. Gram stain and sputum culture were the most useful laboratory tests for the aetiological diagnosis. Blood cultures and serological test had a lower efficiency. There was no relationship between the clinical presentation, typical or atypical pneumonia, and the causal microorganism. Complications developed in 11% of the patients and the mortality rate was of 3%. CONCLUSIONS: There was a high rate of initial erroneous diagnoses of pneumonia. The epidemiological, clinical and roentgenographic characteristics were similar to other studies conducted in our country with a lower number of microbiological agents identified. Patients who were admitted at hospital only because their age or the presence of chronic disease had a good evolution. In this series patients with severe presentation also had a good prognosis. It would be interesting to investigate about which parameters could be useful as indicators of prognosis and evolution at initial presentation of pneumonia.