Acute pulmonary embolism in patients with obstructive sleep apnoea: does it affect the severity of sleep-disordered breathing?
Summary of "Acute pulmonary embolism in patients with obstructive sleep apnoea: does it affect the severity of sleep-disordered breathing?"
BACKGROUND:
Acute pulmonary embolism (PE) may result in an increase in central venous pressure, which may contribute to pharyngeal narrowing by fluid accumulation in nuchal and peripharyngeal soft tissues and therefore affect obstructive sleep apnoea (OSA).
PURPOSE:
This study aimed to clarify the impact of acute PE on the severity of sleep-disordered breathing in OSA patients.
METHODS:
Polysomnography (PSG) was performed in 15 OSA patients shortly after acute PE and again after 3 months of sufficient anticoagulation therapy. OSA remained untreated meanwhile.
RESULTS:
Acute PE did not significantly affect the apnoea-hypopnoea index (AHI).
CONCLUSION:
The diagnosis of OSA is representative in acute PE, as the transient increase of central venous pressure seems not to affect the AHI once the patients are clinical stable for PSG.
Affiliation
Department of Cardiology, Respiratory Medicine and Intensive Care, Klinikum Augsburg, Ludwig-Maximilians-University Munich, Stenglinstrasse 2, 86156, Augsburg, Germany, thomas.berghaus@klinikum-augsburg.de.
Journal Details
This article was published in the following journal.
Name: Sleep & breathing = Schlaf & Atmung
ISSN: 1522-1709
Pages:
Links
- PubMed Source: http://www.ncbi.nlm.nih.gov/pubmed/22187134
- DOI: http://dx.doi.org/10.1007/s11325-011-0633-7
Medical and Biotech [MESH] Definitions
Sleep Apnea, Central
A condition associated with multiple episodes of sleep apnea which are distinguished from obstructive sleep apnea (SLEEP APNEA, OBSTRUCTIVE) by the complete cessation of efforts to breathe. This disorder is associated with dysfunction of central nervous system centers that regulate respiration. This condition may be idiopathic (primary) or associated with lower brain stem lesions; chronic obstructive pulmonary disease (LUNG DISEASES, OBSTRUCTIVE); HEART FAILURE, CONGESTIVE; medication effect; and other conditions. Sleep maintenance is impaired, resulting in daytime hypersomnolence. Primary central sleep apnea is frequently associated with obstructive sleep apnea. When both forms are present the condition is referred to as mixed sleep apnea (see SLEEP APNEA SYNDROMES). (Adams et al., Principles of Neurology, 6th ed, p395; Neurol Clin 1996;14(3):611-28)
Sleep Apnea Syndromes
Disorders characterized by multiple cessations of respirations during sleep that induce partial arousals and interfere with the maintenance of sleep. Sleep apnea syndromes are divided into central (see SLEEP APNEA, CENTRAL), obstructive (see SLEEP APNEA, OBSTRUCTIVE), and mixed central-obstructive types.
Pulmonary Heart Disease
Hypertrophy and dilation of the RIGHT VENTRICLE of the heart that is caused by PULMONARY HYPERTENSION. This condition is often associated with pulmonary parenchymal or vascular diseases, such as CHRONIC OBSTRUCTIVE PULMONARY DISEASE and PULMONARY EMBOLISM.
Acute Chest Syndrome
Respiratory syndrome characterized by the appearance of a new pulmonary infiltrate on chest x-ray, accompanied by symptoms of fever, cough, chest pain, tachypnea, or DYSPNEA, often seen in patients with SICKLE CELL ANEMIA. Multiple factors (e.g., infection, and pulmonary FAT EMBOLISM) may contribute to the development of the syndrome.
Sleep Apnea, Obstructive
A disorder characterized by recurrent apneas during sleep despite persistent respiratory efforts. It is due to upper airway obstruction. The respiratory pauses may induce HYPERCAPNIA or HYPOXIA. Cardiac arrhythmias and elevation of systemic and pulmonary arterial pressures may occur. Frequent partial arousals occur throughout sleep, resulting in relative SLEEP DEPRIVATION and daytime tiredness. Associated conditions include OBESITY; ACROMEGALY; MYXEDEMA; micrognathia; MYOTONIC DYSTROPHY; adenotonsilar dystrophy; and NEUROMUSCULAR DISEASES. (From Adams et al., Principles of Neurology, 6th ed, p395)
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