Search Results - "Pinna, G. D."

Effect of paced breathing on ventilatory and cardiovascular variability parameters during short-term investigations of autonomic function by Pinna, G D, Maestri, R, La Rovere, M T, Gobbi, E, Fanfulla, F

“…Paced breathing (PB) around 0.25 Hz has been advocated as a means to avoid confounding and to standardize measurements in short-term investigations of…”
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Six-minute walking performance in patients with moderate-to-severe heart failure; is it a useful indicator in clinical practice? by Opasich, C, Pinna, G.D, Mazza, A, Febo, O, Riccardi, R, Riccardi, P.G, Capomolla, S, Forni, G, Cobelli, F, Tavazzi, L

“…Aims The 6-min walk test has been incorporated into studies on the efficacy of new therapies and into prognostic stratification for chronic heart failure…”
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Predictors of primary atrial fibrillation and concomitant clinical and hemodynamic changes in patients with chronic heart failure: a prospective study in 344 patients with baseline sinus rhythm by Pozzoli, Massimo, Cioffi, Giovanni, Traversi, Egidio, Pinna, Gian Domenico, Cobelli, Franco, Tavazzi, Luigi

“…Objectives. This study investigated the incidence, predisposing factors and significance of the onset of atrial fibrillation (AF) in patients with chronic…”
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Arterial baroreflex modulation of Heart rate in chronic heart failure : Clinical and hemodynamic correlates and prognostic implications by MORTARA, A, LA ROVERE, M. T, PINNA, G. D, PRPA, A, MAESTRI, R, FEBO, O, POZZOLI, M, OPASICH, C, TAVAZZI, L

“…In chronic heart failure (CHF), arterial baroreflex regulation of cardiac function is impaired, leading to a reduction in the tonic restraining influence on…”
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Long-term time-course of nocturnal breathing disorders in heart failure patients by Pinna, G. D, Maestri, R, Mortara, A, Johnson, P, Andrews, D, Ponikowski, P, Witkowski, T, La Rovere, M. T, Sleight, P

“…Some important aspects of clinical manifestations of nocturnal breathing disorders in heart failure (HF) patients are still unknown. We questioned whether the…”
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Reliability of transfer function estimates in cardiovascular variability analysis by PINNA, G. D, MAESTRI, R

“…Transfer function (TF) analysis is a widely diffused technique in the assessment of the relationship between short-term cardiovascular variability signals,…”
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New criteria for estimating baroreflex sensitivity using the transfer function method by PINNA, G. D, MAESTRI, R

“…Computer simulations were carried out to appraise three new criteria for the estimation of baroreflex sensitivity (BRS) using the transfer function method. The…”
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Accounting for Respiration is Necessary to Reliably Infer Granger Causality From Cardiovascular Variability Series by Porta, Alberto, Bassani, Tito, Bari, Vlasta, Pinna, Gian D., Maestri, Roberto, Guzzetti, Stefano

“…This study was designed to demonstrate the need of accounting for respiration (R) when causality between heart period (HP) and systolic arterial pressure (SAP)…”
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Heart rate variability during specific sleep stages : a comparison of healthy subjects with patients after myocardial infarction by VANOLI, E, ADAMSON, P. B, BA-LIN, PINNA, G. D, LAZZARA, R, ORR, W. C

“…Heart rate variability (HRV) is typically higher during nighttime. This evidence supports the concept that overall, sleep is a condition during which vagal…”
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Periodic breathing in heart failure patients: testing the hypothesis of instability of the chemoreflex loop by Pinna, G. D, Maestri, R, Mortara, A, Rovere, M. T. La, Fanfulla, F, Sleight, P

“…Departments of 1  Biomedical Engineering, 2  Cardiology, and 3  Pneumology, Fondazione S. Maugeri, Clinica del Lavoro e della Riabilitazione, IRCCS, Istituto…”
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Abnormal awake respiratory patterns are common in chronic heart failure and may prevent evaluation of autonomic tone by measures of heart rate variability by MORTARA, A, SLEIGHT, P, PINNA, G. D, MAESTRI, R, PRPA, A, LA ROVERE, M. T, COBELLI, F, TAVAZZI, L

“…Reduced heart rate variability, particularly in the Very-low-frequency (VLF) spectral band, has been found to be a marker for poor prognosis in patients after…”
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Peak Exercise Oxygen Consumption in Chronic Heart Failure: Toward Efficient Use in the Individual Patient by Opasich, Cristina, Pinna, Gian Domenico, Bobbio, Marco, Sisti, Massimo, Demichelis, Brunella, Febo, Oreste, Forni, Giovanni, Riccardi, Roberto, Riccardi, P.Giorgio, Capomolla, Soccorso, Cobelli, Franco, Tavazzi, Luigi

“…Objectives. This study sought to 1) assess the short-, medium- and long-term prognostic power of peak oxygen consumption (V̇o2) in patients with heart failure;…”
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Noninvasive measurement of blood pressure variability: accuracy of the Finometer monitor and comparison with the Finapres device by Maestri, R, Pinna, G D, Robbi, E, Capomolla, S, La Rovere, M T

“…To assess the accuracy of spectral indices of arterial pressure variability and baroreflex sensitivity obtained from beat-by-beat noninvasive blood pressure…”
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Cardiorespiratory interactions during periodic breathing in awake chronic heart failure patients by Pinna, G D, Maestri, R, Mortara, A, La Rovere, M T

“…We applied spectral techniques to the analysis of cardiorespiratory signals [instantaneous lung volume (ILV), instantaneous tidal volume (ITV), arterial O(2)…”
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Clinical value of baroreflex sensitivity by La Rovere, M. T., Pinna, G. D., Maestri, R., Sleight, P.

“…The arterial baroreflex is an important determinant of the neural regulation of the cardiovascular system. It has been recognised that baroreflex-mediated…”
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Comparison between invasive and non-invasive measurements of baroreflex sensitivity. Implications for studies on risk stratification after a myocardial infarction by Pinna, G.D, La Rovere, M.T, Maestri, R, Mortara, A, Bigger, J.T, Schwartz, P.J

“…Aims The ATRAMI (Autonomic Tone and Reflexes After Myocardial Infarction) study has proved the independent prognostic value of baroreflex sensitivity. A…”
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Additional Predictive Value of Nutritional Status in the Prognostic Assessment of Heart Failure Patients by Rovere, Maria Teresa La, MD, Maestri, Roberto, Olmetti, Francesca, Paganini, Vincenzo, Riccardi, Giorgio, Riccardi, Roberto, Pinna, Gian Domenico, Traversi, Egidio

“…Abstract Background and Aims Nutritional status (NS) is not routinely assessed in HF. We sought to evaluate whether NS may be additive to a comprehensive…”
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Application of time series spectral analysis theory : analysis of cardiovascular variability signals by PINNA, G. D, MAESTRI, R, DI CESARE, A

“…The paper focuses on the most important application problems commonly encountered in spectral analysis of short-term (less than 10 min) recordings of…”
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An integrated approach based on uniform quantization for the evaluation of complexity of short-term heart period variability: Application to 24 h Holter recordings in healthy and heart failure humans by Porta, A, Faes, L, Masé, M, D'Addio, G, Pinna, G D, Maestri, R, Montano, N, Furlan, R, Guzzetti, S, Nollo, G, Malliani, A

“…We propose an integrated approach based on uniform quantization over a small number of levels for the evaluation and characterization of complexity of a…”
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Assessing Baroreflex Sensitivity in Post-Myocardial Infarction Patients: Comparison of Spectral and Phenylephrine Techniques by Maestri, Roberto, Pinna, Gian Domenico, Mortara, Andrea, La Rovere, Maria Teresa, Tavazzi, Luigi

“…Objectives. This study sought to compare, in post-myocardial infarction patients, baroreflex sensitivity (BRS) measured by the phenylephrine method (Phe-BRS)…”
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