S A Shea
Overview
Explore the profile of S A Shea including associated specialties, affiliations and a list of published articles.
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Articles
63
Citations
1428
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Recent Articles
11.
Spengler C, Gozal D, Shea S
Respir Physiol
. 2001 Dec;
129(1-2):247-55.
PMID: 11738658
Humans born with the condition of central hypoventilation during non-rapid eye movement sleep, termed congenital central hypoventilation syndrome (CCHS), invariably have absent or greatly diminished central hypercapnic ventilatory chemosensitivity. Genetic...
12.
13.
Elliott A, Shea S, Dijk D, Wyatt J, Riel E, Neri D, et al.
Am J Respir Crit Care Med
. 2001 Aug;
164(3):478-85.
PMID: 11500354
To understand the factors that alter sleep quality in space, we studied the effect of spaceflight on sleep-disordered breathing. We analyzed 77 8-h, full polysomnographic recordings (PSGs) from five healthy...
14.
Pillar G, Fogel R, Malhotra A, BEAUREGARD J, Edwards J, Shea S, et al.
Respir Physiol
. 2001 Jul;
127(1):23-38.
PMID: 11445198
Upper airway dilator muscles are phasically activated during respiration. We assessed the interaction between central respiratory drive and local (mechanoreceptive) influences upon genioglossal (GG) activity throughout inspiration. GG(EMG) and airway...
15.
White D, Edwards J, Shea S
Sleep
. 2001 Apr;
21(7):719-28.
PMID: 11286348
Study Objectives: To define the influence of topical nasopharyngeal anesthesia on genioglossal EMG responsiveness to both negative pressure and basal muscle activity. The effects on airway mechanics (resistance and collapsibility)...
16.
Akahoshi T, White D, Edwards J, BEAUREGARD J, Shea S
J Physiol
. 2001 Mar;
531(Pt 3):677-91.
PMID: 11251050
1. Upper airway dilator muscles are phasically activated throughout breathing by respiratory pattern generator neurons. Studies have shown that non-physiological upper airway mechanoreceptive stimuli (e.g. rapidly imposed pulses of negative...
17.
Pillar G, Malhotra A, Fogel R, BEAUREGARD J, Slamowitz D, Shea S, et al.
J Appl Physiol (1985)
. 2000 Sep;
89(4):1275-82.
PMID: 11007559
Although pharyngeal muscles respond robustly to increasing PCO(2) during wakefulness, the effect of hypercapnia on upper airway muscle activation during sleep has not been carefully assessed. This may be important,...
18.
Malhotra A, Pillar G, Fogel R, BEAUREGARD J, Edwards J, Slamowitz D, et al.
Am J Respir Crit Care Med
. 2000 Sep;
162(3 Pt 1):1058-62.
PMID: 10988130
The stimuli controlling pharyngeal dilator muscles are poorly defined. Local mechanoreceptors are a leading possibility. To address this, we assessed the relationship between two dilator muscle electromyograms (EMGs, i.e., genioglossus...
19.
Spengler C, Shea S
Am J Respir Crit Care Med
. 2000 Sep;
162(3 Pt 1):1038-46.
PMID: 10988127
Numerous studies have demonstrated a diurnal rhythm in indices of pulmonary function in both healthy subjects and subjects with asthma, with minima occurring during the night. To determine whether such...
20.
Ayas N, Brown R, Shea S
Am J Respir Crit Care Med
. 2000 Sep;
162(3 Pt 1):1004-8.
PMID: 10988121
Possible mechanisms of arousal from respiratory stimuli include changes in PO(2), PCO(2), central respiratory drive, or respiratory mechanoreceptor activity. We sought to determine whether hypercapnia alone could induce arousal from...