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PubMed2003

Prognostic value of interleukin-6, plasma viscosity, fibrinogen, von Willebrand factor, tissue factor and vascular endothelial growth factor levels in congestive heart failure.

BACKGROUND: Congestive heart failure (CHF) carries a poor prognosis with a high mortality rate, frequent hospitalizations and increased risk of thrombotic complications such as stroke. Cytokines may contribute to the progression and prothrombotic state of CHF, including the pro-inflammatory interleukin-6 (IL-6) and the pro-angiogenic vascular endothelial growth factor (VEGF), both of which are raised in CHF. The procoagulant properties of both cytokines may be mediated via tissue factor (TF), a potent clotting activator. We hypothesized that plasma levels of these markers, as well as levels of plasma viscosity, fibrinogen, soluble P-selectin and von Willebrand factor (markers of abnormal rheology, clotting, platelet activation, and endothelial damage, respectively) will be useful in predicting morbidity and mortality in chronic stable CHF. METHODS AND RESULTS: One hundred and twenty consecutive out-patients with chronic stable CHF (92 males; mean [SD] age 64 [11] years, mean [SD] left ventricular ejection fraction of 29 [6]%) were recruited and followed for 2 years during which 42 patients reached a clinical end-point of all-cause mortality and cardiovascular hospitalizations, including stroke and myocardial infarction. Plasma IL-6 (P=0.003) and TF (P=0.013) levels, but not other research indices, were higher in those who suffered events compared with those without events. Predictors of end-points were high (> or =median) TF (P=0.011), and IL-6 (P=0.023) levels, as well as the lowest quartile of a left ventricular ejection fraction (P=0.007). A strong correlation was present between TF and IL-6 levels (r=0.59; P<0.0001) and with VEGF levels (r=0.43; P<0.0001). CONCLUSION: IL-6 and TF are predictors of poor prognosis in chronic CHF, raising the hypothesis that IL-6 may contribute to the progression and thrombotic complications of CHF via its actions on TF expression. Although VEGF did not independently predict outcome in chronic CHF, the possibility arises that it may act with IL-6 to induce TF expression.

Aged↗

PubMed2003

Quality of care of patients hospitalized with congestive heart failure.

BACKGROUND: Congestive heart failure (CHF) is an increasingly prevalent poor-prognosis condition for which effective interventions are available. It is -therefore important to determine the extent to which patients with CHF receive appropriate care in Australian hospitals and identify ways for improving suboptimal care, if it exists. AIM: To evaluate the quality of in-hospital acute care of patients with CHF using explicit quality indicators based on published guidelines. METHODS: A retrospective case note review was -performed, involving 216 patients admitted to three teaching hospitals in Brisbane, Queensland, Australia, between October 2000 and April 2001. Outcome measures were process-of-care quality -indicators calculated as proportions of all, or strongly -eligible (ideal), patients who received -specific interventions. RESULTS: Assessment of underlying causes and acute precipitating factors was undertaken in 86% and 76% of patients, respectively, and objective evaluation of left ventricular function was performed in 62% of patients. Prophylaxis for deep venous thrombosis (DVT) was used in only 29% of ideal patients. Proportions of ideal patients receiving pharmacological treatments at discharge were: (i) angiotensin--converting enzyme inhibitors (ACEi) (82%), (ii) target doses of ACEi (61%), (iii) alternative vasodilators in patients ineligible for ACEi (20%), (iv) beta-blockers (40%) and (v) warfarin (46%). CONCLUSIONS: Opportunities exist for improving quality of in-hospital care of patients with CHF, -particularly for optimal prescribing of: (i) DVT prophylaxis, (ii) ACEi, (iii) second-line vasodilators, (iv) beta-blockers and (v) warfarin. More research is needed to identify methods for improving quality of in-hospital care.

Aged↗

PubMed2000

Depression is common and precludes accurate assessment of functional status in elderly patients with congestive heart failure.

BACKGROUND: Congestive heart failure (CHF) and depression are independently known to result in physical decline and diminished functional capacity in the general population. The prevalence and relationship of depressive symptoms in CHF to physical limitations has not been objectively examined. METHODS AND RESULTS: The Center for Epidemiological Studies Depression Scale (CES-D) was used to ascertain depressive symptoms in 33 elderly ambulatory individuals with CHF. Self-report assessment of functional status, cardiopulmonary exercise testing (CPX), and measurement of energy expenditure by doubly labeled water and Caltrac Accelerometer (Muscle Dynamics, Torrance, CA) were performed. Depressed and nondepressed groups were compared. Forty-two percent of the patients scored in the depressed range (CES-D score of 16 or greater). There were no differences in demographic variables or severity of illness between the depressed and nondepressed patients. Energy expenditure was comparable across groups. Although obtaining similar maximal heart rate and maximal oxygen consumption (VO2max) on CPX, the depressed group showed less exertion on exercise testing with a significantly lower respiratory quotient (P = .017). CONCLUSION: Depressive symptoms were common and unrelated to the severity of CHF. Although depressed individuals tended to report worse physical functioning than nondepressed individuals, objective assessment of energy expenditure was comparable. Depressed patients appear to underestimate their functional ability. Subsequently, inaccurate assessment of functional status may occur.

Activities of Daily Living↗

PubMed1999

Altered blood pressure variability in patients with congestive heart failure.

OBJECTIVE: Congestive heart failure (CHF) is characterized by sympathetic overactivity but reduced variability of heart interval and sympathetic nerve activity; little information exists, however, about the alterations in blood pressure variability in this syndrome, especially during excitatory manoeuvres such as tilting or exercise. DESIGN AND METHODS: Nine patients with CHF (age 62+/-1 years, NYHA class II-III, ejection fraction 33+/-1%, peak VO2 14.1+/-3.2 ml/min per kg body weight [mean +/- SEM]) and eight healthy control subjects (age 58+/-1 years) with normal left ventricular function were studied. Blood pressure (Finapres), R-R interval (ECG) and respiration (nasal thermistor) were recorded during 15-min periods of supine rest, 70 degree head-up tilting, submaximal bicycling exercise and post-exercise recovery. Total variance and the power of the spectral components of blood pressure (HF, respiratory-related; LF, 0.03-0.14 Hz; and VLF, 0.02-0.003 Hz) were measured. RESULTS: Compared with control subjects, CHF patients have, first, a normal overall blood pressure variability during supine rest but a failure to increase this variability in response to head-up tilt and exercise; second, a suppressed LF spectral component of blood pressure at rest and in response to head-up tilt and exercise; and third, reappearance of LF blood pressure power during postexercise recovery. CONCLUSIONS: In CHF patients, overall blood pressure variability and its LF spectral component are altered at rest and during sympathoexcitatory manoeuvres. Somewhat paradoxically, however, the depressed LF blood pressure power is partially restored during a 15-min recovery period, indicating that at least part of the CHF-related alterations of blood pressure variability have the potential to revert back towards normal under appropriate physiological circumstances.

Bicycling↗

PubMedDate not supplied

Influence of intensive physical training on urinary nitrate elimination and plasma endothelin-1 levels in patients with congestive heart failure.

BACKGROUND: Congestive heart failure (CHF) is associated with increased peripheral vascular resistance. Exercise-induced shear stress may release endothelial relaxing factors, such as nitric oxide (NO), and inhibit the production of vasoconstrictors such as endothelin-1 (ET-1) thereby modulating vascular tone. We examined the effect of intensive training on ET-1 plasma concentrations and NO-metabolite elimination in patients with CHF after acute myocardial infarction. METHODS: Seventeen patients with CHF after a myocardial infarction were randomized to an exercise group (n = 9), who performed physical training for 8 weeks, or a control group (n = 8) who received usual care. A physical examination, pulmonary function test, and a maximum exercise test were performed, and 24-hour urinary nitrate elimination and ET-1 in plasma were determined before and at the end of the study period. RESULTS: Maximal oxygen uptake remained unchanged in controls (17.9 +/- 1.4 to 18.1 +/- 1.5 mL/(kg min) but increased in the exercise group (from 20.4 +/- 0.75 to 26.7 +/- 1.4 mL/(kg min). After 8 weeks the urinary nitrate elimination in controls was significantly decreased (1.25 +/- 0.20 to 1.03 +/- 0.22 mmol/24 hours; P < 0.001), while it was unchanged in the exercise group (1.26 +/- 0.23 to 1.39 +/- 0.28; P = 0.71). Plasma ET-1 levels did not change after 8 weeks (7.87 +/- 0.62 versus 7.57 +/- 0.75 and 7.13 +/- 0.6 versus 7.35 +/- 0.7 pg/mL for control and exercise groups, respectively). CONCLUSION: In patients with CHF after acute myocardial infarction nitrate elimination decreases over the subsequent 2 months. This trend was reversed by training. Because nitrate elimination mirrors endogenous NO production, these results suggest that training may positively influence endothelial vasodilator function.

Endothelin-1↗

PubMed2004

Dissociation between ionic remodeling and ability to sustain atrial fibrillation during recovery from experimental congestive heart failure.

BACKGROUND: Congestive heart failure (CHF) downregulates atrial transient outward (I(to)), slow delayed rectifier (I(Ks)), and L-type Ca(2+) (I(Ca,L)) currents and upregulates Na(+)-Ca(2+) exchange current (I(NCX)) (ionic remodeling) and causes atrial fibrosis (structural remodeling). The relative importance of ionic versus structural remodeling in CHF-related atrial fibrillation (AF) is controversial. METHODS AND RESULTS: We measured hemodynamic and echocardiographic parameters, mean duration of burst pacing-induced AF (DAF), and atrial-myocyte ionic currents in dogs with CHF induced by 2-week ventricular tachypacing (240 bpm), CHF dogs allowed to recover without pacing for 4 weeks (REC), and unpaced controls. Left ventricular ejection fraction averaged 58.6+/-1.2% (control), 36.2+/-2.3% (CHF, P<0.01), and 57.9+/-1.6% (REC), indicating full hemodynamic recovery. Similarly, left atrial pressures were 2.2+/-0.3 (control), 13.1+/-1.5 (CHF), and 2.4+/-0.4 (REC) mm Hg. CHF reduced I(to) density by approximately 65% (P<0.01), decreased I(Ca,L) density by approximately 50% (P<0.01), and diminished I(Ks) density by approximately 40% (P<0.01) while increasing I(NCX) density by approximately 110% (P<0.05). In REC, all ionic current densities returned to control values. DAF increased in CHF (1132+/-207 versus 14.3+/-8.8 seconds, control) and remained increased with REC (1014+/-252 seconds). Atrial fibrous tissue content also increased in CHF (2.1+/-0.2% for control versus 10.2+/-0.7% for CHF, P<0.01), with no recovery observed in REC (9.4+/-0.8%, P<0.01 versus control, P=NS versus CHF). CONCLUSIONS: With reversal of CHF, there is complete recovery of ionic remodeling, but the prolonged-AF substrate and structural remodeling remain. This suggests that structural, not ionic, remodeling is the primary contributor to AF maintenance in experimental CHF.

Animals↗

PubMed1999

Firing properties of single muscle vasoconstrictor neurons in the sympathoexcitation associated with congestive heart failure.

BACKGROUND: Congestive heart failure (CHF) in humans is associated with a marked sympathoexcitation, including an augmented muscle sympathetic nerve activity (MSNA) in intraneural multiunit recordings. In the present study, single-unit recording was used to evaluate whether the firing properties of individual muscle vasoconstrictor neurons can reveal underlying mechanisms for this increase in MSNA. METHODS AND RESULTS: Eight patients with CHF (NYHA class II to IV; left ventricular ejection fraction, 29+/-5%, mean+/-SEM) were studied. In standard multiunit recordings, MSNA burst incidence (bursts/100 heartbeats) ranged from 65% to 100% (88+/-5%). Using selective tungsten microelectrodes, we made recordings from 16 single muscle vasoconstrictor axons. Mean unit firing probability (ie, the percentage of cardiac intervals in which a single axon fired) was 54.5+/-5.2% (range, 21 to 89%), and mean firing frequency was 0.98+/-0.22 Hz (0.14 to 3.86 Hz), both of which were higher than seen previously in healthy subjects (P<0.001). Although single neurons occasionally generated multiple spikes per sympathetic burst, such multiple firing was rare and was not different from that seen in healthy subjects. CONCLUSIONS: An increased firing frequency of individual vasoconstrictor neurons is one mechanism for the increased number of multiunit MSNA bursts at rest in CHF. The neurons discharge in more diastoles than in healthy subjects (ie, firing probability is increased), but the likelihood of discharging >1 impulse per sympathetic burst is not increased. Despite the intense multiunit activity at rest, the firing characteristics of individual vasoconstrictor axons indicate a remaining capacity for transient increases of MSNA in CHF.

Adult↗

PubMed1995

Brain 'ouabain' mediates sympathetic hyperactivity in congestive heart failure.

In congestive heart failure (CHF), endogenous compounds with ouabainlike activity (OLA) may contribute to the maintenance of the circulatory homeostasis by peripheral as well as central effects. In the present study, we assessed changes in peripheral (plasma and left ventricle) and central (pituitary, hypothalamus, pons, and cortex) OLA in two animal models of CHF and determined whether brain OLA mediates sympathetic hyperactivity in CHF. Cardiomyopathic hamsters with their controls were studied at 9 months of age for tissue OLA. Rats were studied 4 weeks after acute coronary artery ligation for tissue OLA and sympathetic activity. In both models, left ventricular end-diastolic pressure was markedly increased. CHF was associated with significant increases in both plasma and tissue OLA in both models. In the brain, the most marked (twofold to threefold) increases occurred in the hypothalamus. In vitro, all OLA measured could be blocked by antibody Fab fragments (Digibind). Conscious rats with CHF showed elevated plasma catecholamines and enhanced responses of mean arterial pressure (MAP), heart rate (HR), and renal sympathetic nerve activity (RSNA) to air stress and to intracerebroventricular (ICV) injection of the alpha 2-adrenergic receptor agonist guanabenz compared with sham-operated rats. ICV administration of the Fab fragments did not change resting RSNA or responses to air stress at 1 hour. However, 18 hours after injection of the Fab fragments, resting RSNA levels had significantly decreased compared with the control values, and plasma catecholamine levels had decreased to control values.(ABSTRACT TRUNCATED AT 250 WORDS)

Animals↗

PubMed2001

Clinical treatment reverses attentional deficits in congestive heart failure.

BACKGROUND: Congestive heart failure (CHF) is associated with cognitive deficits, particularly of memory and attention. The present study aims to clarify whether clinical treatment can reverse the attentional deficits of patients with CHF. METHODS: A convenience sample of 50 patients with CHF functional class IV and 30 elderly controls were recruited from a teaching hospital in Brazil. Participants received a clinical and cognitive examination that included the Mini-Mental State Examination (MMSE), Cambridge Cognitive Examination of the Elderly (CAMCOG), Digit Span, Digit-Symbol Substitution, and Letter Cancellation test. The cognitive performance of CHF patients was reassessed 6 weeks after the introduction of clinical treatment. RESULTS: Twenty-seven CHF subjects had MMSE<24, compared to only 10 of the controls (p = 0.07). CHF patients also had lower CAMCOG scores (mean = 71.8) than controls (mean = 82.0; p < 0.01). Digit Span, Digit Symbol and Letter Cancellation scores were lower for patients with CHF than controls (p < 0.01). Similarly patients with CHF took longer to complete the Trail Making A (p = 0.07) and B (p < 0.01). CAMCOG scores and left ventricular ejection fraction were moderately correlated (rho = 0.4, p < 0.01). Nineteen patients were lost for follow-up (11 deceased). Clinical treatment was associated with significant improvement of cognitive scores, particularly on the Digit Symbol (p < 0.01) and Letter Cancellation Tests (p < 0.01). Digit Span, Digit Symbol, Letter Cancellation and Trail Making scores of treated CHF patients and controls were similar (p > 0.10). CONCLUSIONS: CHF is associated with deficits in attention and psychomotor speed. These deficits improve with clinical treatment.

Journal Article↗

PubMed1992

Decreased skeletal muscle vasodilation in patients with congestive heart failure.

In congestive heart failure (CHF), excessive vasoconstriction is present, which is due to overactive vasoconstrictor mechanisms although vasodilator mechanisms may be impaired. In the present study, we examined vasodilation in CHF by measuring forearm blood flow with a strain gauge plethysmograph. Patients with CHF had higher forearm vascular resistance than normal control subjects. Patients with CHF had decreased forearm vasodilation in response to intra-arterial infusions of atrial natriuretic peptide (ANP) and acetylcholine, but not in response to sodium nitroprusside or nitroglycerin. Oral captopril did not alter the degree of forearm vasodilation during handgrip exercise. These results suggest that endothelium-dependent and ANP-induced forearm vasodilation is impaired in patients with CHF but the decreased vasodilation is not due to impaired vascular smooth muscle responsiveness to a vasodilator. The renin-angiotensin system does not seem to play a major role in the maintenance of vascular resistance during exercise in CHF.

Acetylcholine↗

PubMed1998

Combination diuretic therapy in severe congestive heart failure.

Severe congestive heart failure (CHF) is often characterised by fluid retention. A (chronic) state of overhydration has a negative influence on both the quality of life and prognosis of these patients. Therefore, the use of diuretics remains a cornerstone in the treatment of heart failure. However, diuretic resistance, a failure to correct the hydration state adequately with the use of conventional dosages of loop diuretics, is a frequently occurring complication in the treatment of advanced stages of CHF. Several intra- and extrarenal mechanisms may be involved in the development of diuretic resistance. An important pathophysiological mechanism leading to diuretic resistance seen after chronic use of loop diuretics is the functional adaptation of the distal tubule. Studies in animals demonstrate that the sodium reabsorption capacity of this nephron segment increases significantly when the sodium delivery to this segment is augmented, as is the case during administration of loop diuretics. The use of combinations of diuretics acting on different segments of the nephron appears to be an effective option in the treatment of diuretic resistance. Several combinations have been used; however, the combination of a loop diuretic and a thiazide drug acting on the distal tubule appears to be the most effective. However, since the use of this combination may lead to serious adverse effects such as hypokalaemia, metabolic alkalosis and dehydration, careful monitoring of the patient of combination diuretic therapy is necessary.

Diuretics↗

PubMed2003

Impaired neuronal and vascular responses to angiotensin II in a rabbit congestive heart failure model.

Congestive heart failure (CHF) is characterised by activation of the renin-angiotensin-aldosterone system (RAAS) and the sympathetic nervous system (SNS). Both systems are known to interact and to potentiate each other s activities. We recently demonstrated that angiotensin II (Ang II) enhances sympathetic nerve traffic via prejunctionally-located AT1-receptors. At present, little is known about the effects of Ang II at the level of the sympathetic neurones in CHF. Accordingly, we investigated the effect of Ang II in the presence and absence of the AT1-receptor antagonist, eprosartan, on stimulation-induced nerve traffic in isolated thoracic aorta preparations obtained from rabbits suffering from experimentally-induced CHF. Control-preparations were obtained from age-matched animals. Sympathetic activity was assessed by a [3H]noradrenaline spill-over model. Additionally, Ang II constrictor responses were compared between CHF and control vessels in the presence and absence of eprosartan. Additionally, to study postjunctional facilitation, the effects of Ang II on postsynaptic a-adrenoceptor-mediated responses were studied using noradrenaline. Stimulation-evoked SNS-neurotransmission was similar in both groups (CHF versus control). Ang II (0.1 nM 0.1 M) caused a concentration-dependent increase of the stimulation-evoked sympathetic outflow in both groups, with a maximum at 10 nM (control [n=7], FR2/FR1 2.03+0.11 and CHF- preparations [n=7], FR2/FR1 1.71+0.07). The enhancement by Ang II was decreased in CHF- preparations compared with controls (p<0.05). Eprosartan concentration-dependently attenuated the Ang II-enhanced (10 nM) sympathetic outflow in both CHF- and control preparations. The sympatho-inhibitory potency of eprosartan was similar in both groups (control pIC50 8.81 0.31; CHF 8.65+0.42). Ang II (1 nM 0.3 M) concentration-dependently increased the contractile force in control preparations (Emax 21.64+3.86 mN, pD2 7.63+0.02, n=7). Eprosartan (1 nM 0.1 M) influenced the Ang II- contractions via a mixed form of antagonism. In CHF-preparations, Ang II caused impaired vascular contraction. The KCl-induced contraction was decreased in the CHF- compared with control preparations (13.02+0.64 mN versus 30.40+0.89 mN). The relative Ang II contraction (% of KCl) was also decreased (2.3% vs. 58.0%). Concentration-response curves to noradrenaline (%KCl) were similar (control pD2 6.93+0.05, Emax 131.0+2.7; CHF pD2 7.00+0.05, Emax 136.7+2.6) (p>0.05) and were not affected by Ang II. We conclude that Ang II-enhanced sympathetic neurotransmission is mediated by the prejunctional AT1-receptor in both control and CHF-preparations. The decreased facilitation of SNS effects by Ang II may be explained by down-regulation or desensitisation of the neuronal AT1-receptor. Additionally, the aortic contractile capacity in heart failure rabbits appears to be decreased, probably as a result of heart failure-associated neuroendocrine and functional changes.

Acrylates↗

PubMed1995

Home monitoring for congestive heart failure patients.

Congestive heart failure eats up a lot of this country's health care dollars. Posthospitalization care is important to preclude readmissions and keep costs down. Telemedicine offers a solution to this challenge.

Blood Pressure↗

PubMed1991

[Neuroendocrine adaptations in chronic congestive heart failure].

Chronic congestive heart failure is typically accompanied by an abnormal production of vasoconstrictor antinatriuretic hormones and vasodilator natriuretic hormones. Decompensation occurs when the former prevail over the latter. These neuroendocrine abnormalities are increasingly taken into account to determine the prognosis and to decide on the best therapeutic approach in individual patients with chronic heart failure.

Adaptation, Physiological↗

PubMed1998

Learning needs of congestive heart failure patients.

Congestive heart failure (CHF) affects approximately one-half million Canadians and five million Americans. Patient education is a vital component of nursing care of this population, with the goals of improving the CHF patient's quality of life, minimizing symptoms and hospital admissions, and reducing length of hospital stay. A review of the literature related to the educational needs of CHF patients reveals minimal research. The purpose of this study was to compare the perceived learning needs of CHF patients by patients and nurses, and to identify existing gaps between their perceptions. Fifty (50) CHF patients and 47 cardiac nurses were surveyed using a modified version of the CHF Patient Learning Needs Inventory developed by Hagenhoff et al. This instrument measured the importance of specific learning topics within the categories of anatomy and physiology, medications, diet, risk factors, activity, psychological factors, and other pertinent information. The results indicated that both groups found most information "moderately" to "very" important to learn. The patients generally rated all information items higher than nurses did. The most significant finding was that the nurses rated the diet category as second in importance, while the patients rated it last. The results from the study will be incorporated into a needs-based educational program for CHF patients.

Adult↗

PubMed1998

From cost of illness to cost-effectiveness in heart failure.

Congestive heart failure is a severe condition responsible for 1%-2% of total health expenditure. In France, three-quarters of the medical cost of congestive heart failure, i.e. FF7 billion, is attributed to 150000 annual hospital admissions. But new treatments, especially ACE inhibitors and beta-blockers, have demonstrated, through large controlled trials (SAVE, AIRE, US trials on carvedilol and CIBIS I) that these drugs can reduce mortality and hospitalization. These results, translated in terms of cost per life year saved, show that they are all very cost effective and could be cost saving, under some conditions.

Adrenergic beta-Antagonists↗

PubMedDate not supplied

Antiarrhythmic drug therapy in patients with renal failure, liver failure, and congestive heart failure.

Commonly prescribed antiarrhythmic agents--and several recently developed agents--are reviewed with respect to their use in patients with renal failure, hepatic failure, and congestive heart failure. Because removal of electrophysiologically active agents from the systemic circulation in most cases depends on either renal elimination, hepatic metabolism, or both, patients with preexisting kidney or liver disease may be at increased risk of treatment-related drug toxicity, including proarrhythmia. These susceptibilities should be anticipated, with drug selection and/or dosage modified accordingly. Patients with left ventricular dysfunction and heart failure also are at increased risk of treatment-related complications, including proarrhythmia and hemodynamic intolerance. In addition, the metabolism of antiarrhythmic drugs may be impaired in these patients. Preference should be given to drugs with a proven safety profile, such as amiodarone, in patients with heart failure.

Anti-Arrhythmia Agents↗

PubMed1997

[Batista partial left ventricular resection in terminal heart failure].

Congestive heart failure is a clinical condition with a high mortality. Medical therapy has improved the clinical course of these patients considerably in recent years. Numerous surgical interventions such as high risk coronary bypass surgery, resection of left ventricular aneurysms, heart valve replacement and cardiac transplantation became accepted therapeutical options. More recently, transmyocardial laser revascularization, implantation of mechanical assist devices, implantable cardioverters/defibrillators and dynamic cardiomyoplasty were introduced into clinical practice and are still under evaluation. For most patients suffering from congestive heart failure cardiac transplantation is the only therapeutical option. However, age of the patients, decreasing number of donors, mortality on the waiting list, high morbidity under immunosuppressive therapy and graft vasculopathy characterize the problems of this therapeutical strategy. The brasilian cardiac surgeon Randas Batista therefore has introduced a new organ preserving surgical technique. First reports on "partial left ventricular resection" for patients with end-stage cardiac failure and dilated ventricles are promising. The possible importance of this new surgical technique implies that precise clinical and scientific evaluation are imperatively needed. In this review we present the surgical procedure, published data on clinical outcome and hemodynamic changes and possible indications for this new technique. The few data which have been published so far might indicate that there is an acceptable perioperative mortality associated with a symptomatic improvement. However, intermediate and long-term follow-up data are not available, and refinements in the surgical technique are necessary.

Cardiomyopathy, Dilated↗