Ventilatory response and arterial potassium concentration during incremental exercise in patients with chronic airways obstruction

1991 ◽  
Vol 11 (1) ◽  
pp. 73-82 ◽  
Author(s):  
T. Yoshida ◽  
M. Chida ◽  
M. Ichioka ◽  
K. Makiguchi ◽  
N. Tojo ◽  
...  
1976 ◽  
Vol 50 (3) ◽  
pp. 199-205 ◽  
Author(s):  
A. W. Matthews ◽  
J. B. L. Howell

1. Responsiveness to CO2 was measured in forty patients with chronic airways obstruction in terms of ventilation and rate of isometric inspiratory pressure change [(dP/dt)max.]. 2. The ventilatory response was below the normal range in eighteen out of twenty-two patients with normal arterial CO2 tensions and in all of eighteen patients with CO2 retention. 3. The (dP/dt)max. response was distributed throughout the normal range in all but one of the patients with normal arterial CO2 tension. In all the patients with CO2 retention the (dP/dt)max. response was either at or below the lower limit of the normal range. 4. Although the ventilatory responses correlated significantly with FEV1 there was no such correlation for the (dP/dt)max. responses. 5. The (dP/dt)max. response showed a significant negative correlation with Pa,co2. 6. It is believed that the (dP/dt)max. response to CO2 can be used to assess central CO2 responsiveness in subjects with airways obstruction independently of mechanical factors limiting their ventilation.


2000 ◽  
Vol 81 (1-2) ◽  
pp. 100-107 ◽  
Author(s):  
Jacques Prioux ◽  
Michèle Ramonatxo ◽  
Maurice Hayot ◽  
Patrick Mucci ◽  
Christian Préfaut

Author(s):  
Juliana Nascimento ◽  
André Albuquerque ◽  
João Salge ◽  
Edilene Moraes ◽  
Mario Terra-Filho

2010 ◽  
Vol 24 (10) ◽  
pp. 2840-2845 ◽  
Author(s):  
Daniel G Carey ◽  
German J Pliego ◽  
John L Rohwer

2020 ◽  
Vol 19 ◽  
pp. S27-S28
Author(s):  
C.A. Williams ◽  
O.W. Tomlinson ◽  
N.J. Withers ◽  
PJ. Oades ◽  
A.R. Barker

1992 ◽  
Vol 89 (2) ◽  
pp. 209-224 ◽  
Author(s):  
Lindsey C. Henson ◽  
Denham S. Ward ◽  
Brian J. Whipp

2011 ◽  
Vol 111 (8) ◽  
pp. 1769-1775 ◽  
Author(s):  
Takahiro Yunoki ◽  
Takuma Arimitsu ◽  
Ryo Yamanaka ◽  
Chang-shun Lian ◽  
Roghhayye Afroundeh ◽  
...  

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