Brain morphology associated with obstructive sleep apnea

PM Macey, LA Henderson, KE Macey… - American journal of …, 2002 - atsjournals.org
Obstructive sleep apnea (OSA) is characterized by repeated occurrences of hypoxic,
hypercapnic, and transient blood pressure elevation episodes that may damage or alter neural …

A method for removal of global effects from fMRI time series

PM Macey, KE Macey, R Kumar, RM Harper - Neuroimage, 2004 - Elsevier
We present a technique for removing global effects from functional magnetic resonance
imaging (fMRI) images, using a voxel-level linear model of the global signal (LMGS). The …

[HTML][HTML] A controlled trial of valganciclovir as induction therapy for cytomegalovirus retinitis

…, S Walmsley, RA Wolitz, K Macey… - … England Journal of …, 2002 - Mass Medical Soc
Background Valganciclovir is an orally administered prodrug that is rapidly hydrolyzed to
ganciclovir. We compared the effects of oral valganciclovir with those of intravenous ganciclovir …

Longterm safety of patients receiving rituximab in rheumatoid arthritis clinical trials

…, R Fleischmann, DE Furst, K Macey… - The Journal of …, 2010 - jrheum.org
Objective. To evaluate the longterm safety of rituximab in clinical trials in patients with
rheumatoid arthritis (RA). Methods. Pooled analysis of safety data, including adverse events (AE) …

Absence of cytomegalovirus-resistance mutations after valganciclovir prophylaxis, in a prospective multicenter study of solid-organ transplant recipients

…, C Gilbert, N Roberts, K Macey… - The Journal of …, 2004 - academic.oup.com
We investigated the emergence of cytomegalovirus (CMV) ganciclovir-resistance mutations
in 301 high-risk solid-organ transplant (SOT) recipients after oral prophylaxis, for 100 days, …

fMRI responses to cold pressor challenges in control and obstructive sleep apnea subjects

RM Harper, PM Macey, LA Henderson… - Journal of Applied …, 2003 - journals.physiology.org
Obstructive sleep apnea (OSA) patients exhibit altered sympathetic outflow, which may reveal
mechanisms underlying the syndrome. We used functional MRI (fMRI) in 16 control and 10 …

Brain responses associated with the Valsalva maneuver revealed by functional magnetic resonance imaging

LA Henderson, PM Macey, KE Macey… - Journal of …, 2002 - journals.physiology.org
The Valsalva maneuver, a test frequently used to evaluate autonomic function, recruits
discrete neural sites. The time courses of neural recruitment relative to accompanying …

Hypoxia reveals posterior thalamic, cerebellar, midbrain, and limbic deficits in congenital central hypoventilation syndrome

PM Macey, MA Woo, KE Macey… - Journal of Applied …, 2005 - journals.physiology.org
Congenital central hypoventilation syndrome (CCHS) patients show deficient respiratory
and cardiac responses to hypoxia and hypercapnia, despite apparently intact arousal …

Hypercapnic exposure in congenital central hypoventilation syndrome reveals CNS respiratory control mechanisms

…, PM Macey, MA Woo, KE Macey… - Journal of …, 2005 - journals.physiology.org
Congenital central hypoventilation syndrome (CCHS) patients show impaired ventilatory
responses and loss of breathlessness to hypercapnia, yet arouse from sleep to high CO 2 , …

Neural responses during Valsalva maneuvers in obstructive sleep apnea syndrome

…, MA Woo, PM Macey, KE Macey… - Journal of Applied …, 2003 - journals.physiology.org
The repetitive upper airway muscle atonic episodes and cardiovascular sequelae of obstructive
sleep apnea (OSA) suggest dysfunction of specific neural sites that integrate afferent …