Patients with chronic heart failure (CHF) experience progressive deterioration of functional capacity and quality of life (QoL). This prospective, randomized, controlled trial assesses the effect of exercise training (ET) protocol on functional capacity, rehospitalization, and QoL in CHF patients older than 70 years compared with a control group. A total of 343 elderly patients with stable CHF (age, 76.90±5.67, men, 195, 56.9%) were randomized to ET (TCG, n=170) or usual care (UCG, n=173). The ET protocol involved supervised training sessions for 3 months in the hospital followed by home-telemonitored sessions for 3 months. Assessments, performed at baseline and at 3 and 6 months, included: ECG, resting echocardiography, NT-proBNP, 6-minute walk test (6MWT), Minnesota Living with Heart Failure Questionnaire, and comprehensive geriatric assessment with the InterRAI-HC instrument. As compared to UCG, ET patients at 6 months showed: i) significantly increased 6MWT distance (450±83 vs. 290±97 m, p<0.001); ii) increased ADL scores (5.00±2.49 vs. 6.94±5.66, p=0.037); iii) 40% reduced risk of rehospitalisation (hazard ratio=0.558, 95%CI, 0.326-0.954, p=0.033); and iv) significantly improved perceived QoL (28.6±12.3 vs. 44.5±12.3, p<0.001). In hospital and home-based telemonitored exercise confer significant benefits on the oldest CHF patients, improving functional capacity and subjective QoL and reducing risk of rehospitalisation.
Noncompaction of ventricular myocardium (NVM) is classified among genetic cardiomyopathies, and is thought to be caused by failure of the myocardial compaction process during embryogenesis [1]. This leads to a hypertrabeculated left ventricular myocardium with deep intertrabecular recesses that communicate directly with the main ventricular chamber [2]. In this paper, we describe a case of NVM in an elderly patient.A 68-year-old woman was admitted to our Cardiology unit because of worsening dyspnea and peripheral edema. Eight years prior to admission, she had been diagnosed with hypertension and persistent atrial fibrillation, and was placed on warfarin therapy. Five years later, the patient was acutely admitted for dyspnea, and during the stay she had a dysrhythmic syncopal episode. On this occasion, after an extensive diagnostic work-up including coronary angiography, which revealed a normal coronary artery tree, she underwent the implantation of a biventricular pace-maker and cardioverter defibrillator, and was discharged with a diagnosis of dilated cardiomyopathy. At the time of the present admission, the patient was taking warfarin, furosemide 50 mg/day, ramipril 5 mg/day, digoxin 0.125 mg/ day, and bisoprolol 1.25 mg/day. The patient was in NYHA class IV, and on physical examination, she appeared acutely ill. She had a prominent jugular pulse, a holosystolic murmur over the mitral and aortic valves, reduced breath sounds and rales at both pulmonary bases, and peripheral leg edema. The ECG confirmed the presence of atrial fibrillation and left bundle branch block. A chest X-ray study revealed an enlarged cardiac silhouette and hilar congestion. Admission blood analyses were normal except for a plasma cholesterol (267 mg/dl) and pro-BNP (1,463 pg/ml, normal range 0-450). Echocardiographic examination revealed a dilated and globus left ventricle (tele-diastolic diameter 60 mm) with diffuse hypokinesia (ejection fraction 25%), bilateral atrial dilatation, moderate mitral and mild tricuspidal valve insufficiencies with an estimated systolic pulmonary pressure 55 mmHg, and diastolic dysfunction (E/A ratio [ 2). In the lateral wall and apical region, several trabeculations, typical of NVM, were observed (Fig. 1). The ratio between noncompacted and compacted myocardium in telediastole was 2.3. No other valvular abnormalities were observed. After two days of therapy with furosemide 40 mg i.v. bid the clinical condition improved, and the patient's medications were raised to ramipril to 10 mg/day, bisoprolol to 5 mg/day, and oral furosemide to 100 mg/day, while continuing therapy with warfarin and digoxin, and starting therapy with lovastatin 20 mg/day. The patient was discharged and followed-up for 6 months, and did not experience any further heart failure exacerbations. Her two sons agreed to be examined by echocardiographic screening, and were found to be free of NVM.The NVM is a rare congenital cardiomyopathy, which can be sporadic or familial [2,3]. Although initially described in children, several case series r...
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