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Topic: Hypoventilation


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Gas

In the News (Sun 23 Jun 19)

  
  Hypoventilation - Wikipedia, the free encyclopedia
In medicine, hypoventilation (also known as "respiratory depression") occurs when ventilation is inadequate (hypo means "below") to perform needed gas exchange.
Hypoventilation may be dangerous for those with sleep apnea.
A disorder referred to as "Congenital Central Hypoventilation Syndrome" or "CCHS" is recognized.
en.wikipedia.org /wiki/Hypoventilation   (150 words)

  
 eMedicine - Hypoventilation Syndromes : Article by Sat Sharma, MD, FRCPC, FACP, FCCP, DABSM
Alveolar hypoventilation may be acute or chronic and may be caused by several mechanisms.
In patients with primary alveolar hypoventilation (the Ondine curse), the cause of hypoventilation and hypercapnia is not known.
Hypoventilation that causes pulmonary hypertension and cor pulmonale
www.emedicine.com /med/topic3470.htm   (7238 words)

  
 Hypoventilation
In medicine, hypoventilation exists when ventilation is inadequate (hypo) to perform gas exchange.
As a side effect of drugs, hypoventilation may become potentially life-threatening for recreational drug users.
Heroin is notorious for this effect: in an overdose, an individual may cease breathing (respiratory arrest).
www.mrsci.com /Symptoms/Hypoventilation.php   (281 words)

  
 Nocturnal mechanical ventilation for chronic hypoventilation in patients with neuromuscular and chest wall disorders ...
Types of participants: patients with neuromuscular or chest wall disorder-related stable chronic hypoventilation of all ages and all degrees of severity.
The risk difference (proportion of patients) of no improvement of hypoventilation related clinical symptoms in the short term following nocturnal mechanical ventilation was significant and favoured treatment, -0.417 (95% CI -0.639 to -0.194).
Nocturnal mechanical ventilation for chronic hypoventilation in patients with neuromuscular and chest wall disorders.
www.update-software.com /abstracts/ab001941.htm   (633 words)

  
 Obesity Hypoventilation Syndrome as a Spectrum of Respiratory Disturbances During Sleep -- Berger et al. 120 (4): 1231 ...
Obesity Hypoventilation Syndrome as a Spectrum of Respiratory Disturbances During Sleep -- Berger et al.
Sustained obstructive hypoventilation with FL was present at the minimal CPAP level (left).
evidence that the hypoventilation was due to an obstructive etiology.
www.chestjournal.org /cgi/content/full/120/4/1231   (3593 words)

  
 Oxygen is NOT for Hypoventilation in Neuromuscular Disease
If progressive respiratory failure occurs in people with neuromuscular disease, an abnormal nocturnal oximetry study is often an early indication that hypoventilation is occurring.
Administering oxygen does not provide assistance to the weakening respiratory muscles, but gives both the patient and the doctor the false impression that appropriate treatment is being provided.
Instead, with hypoventilation, CO accumulates and thus there is decreased room in the alveoli for oxygen.
gbppa.org /oxygen.htm   (681 words)

  
 International Ventilator Users Network's Ventilator-Assisted Living, Fall 2005, Vol. 19, No. 3, Part A
Because hypoventilation usually first occurs during sleep and because several of the signs and symptoms overlap, it can be misdiagnosed as obstructive sleep apnea (OSA).
The treatment for hypoventilation is NOT oxygen but assisted ventilation, generally at night, with a bilevel ventilator.
Bilevel units that offer the S/T mode (the unit operates in a spontaneous –S– mode, meaning the user can spontaneously initiate each ventilator breath, but switches to a timed –T– mode, referred to as the backup rate, when breaths are not initiated by the individual) are recommended for people with neuromuscular disorders.
www.post-polio.org /ivun/val_19-3a.html   (1074 words)

  
 Central Hypoventilation Syndrome, Congenital
Congenital Central Hypoventilation Syndrome is a rare neurological disorder of infancy and childhood characterized by malfunction of the central regulation of breathing during sleep, resulting in a generalized decrease in respiratory function.
Congenital Central Hypoventilation Syndrome is a rare disorder that affects males and females in equal numbers.
When Central Hypoventilation Syndrome occurs in adults it may be confused with other more common respiratory diseases such as Chronic Obstructive Lung Disease which is characterized by difficulty breathing (dyspnea), coughing, and bronchitis.
hw.healthdialog.com /kbase/nord/nord196.htm   (1684 words)

  
 Idiopathic Congenital Central Hypoventilation Syndrome . Diagnosis and Management -- 160 (1): 368 -- American Journal ...
dyspnea in response to chronic hypoventilation or acute pulmonary
Congenital central hypoventilation syndrome: inheritance and relation to sudden infant death syndrome.
Congenital central hypoventilation syndrome: mutation analysis of the receptor tyrosine kinase RET.
ajrccm.atsjournals.org /cgi/content/full/160/1/368   (4368 words)

  
 Central Hypoventilation Syndrome, Congenital
It is possible that the main title of the report Central Hypoventilation Syndrome, Congenital is not the name you expected.
Congenital central hypoventilation syndrome (CCHS) is a rare neurological disorder present at birth that is characterized by inadequate breathing during sleep and, in more severely affected individuals, also during waking periods.
This disorder is associated with a malfunction of the nerves that control involuntary body functions (autonomic nervous system) and abnormal development of early embryonic cells that form the spinal cord (neural crest).
www.webmd.com /hw/parenting_news/nord196.asp   (434 words)

  
 Sleep-disordered Breathing in Children -- MARCUS 164 (1): 16 -- American Journal of Respiratory and Critical Care ...
Central alveolar hypoventilation is defined as an increase in arterial carbon dioxide tension due to a decrease in central
Note that in this particular patient the hypoventilation is due primarily to a decrease in respiratory rate.
yr) and have sleep-related hypoventilation and hypothalamic abnormalities.
ajrccm.atsjournals.org /cgi/content/full/164/1/16   (8239 words)

  
 Sleep hypoventilation in hypercapnic chronic obstructive pulmonary disease: prevalence and associated factors -- ...
Sleep hypoventilation in hypercapnic chronic obstructive pulmonary disease: prevalence and associated factors -- O'Donoghue et al.
Sleep hypoventilation in hypercapnic chronic obstructive pulmonary disease: prevalence and associated factors
Sleep hypoventilation is common in hypercapnic chronic obstructive
erj.ersjournals.com /cgi/content/full/21/6/977   (3887 words)

  
 Congenital Central Hypoventilation Syndrome Family Network
CCHS, or Congenital Central Hypoventilation Syndrome, is a disorder of the central nervous system where, most dramatically, the automatic control of breathing is absent or impaired.
A CCHS child’s respiratory response to low blood oxygen saturation (hypoxia) or to CO2 retention (hypercapnia) is typically sluggish during awake hours and absent, to varying
One recent example of the kinds of issues we cover and educate patients and their physicians on concerns the use or abuse of alcohol and recreational drugs among a few CCHS young people.
www.cchsnetwork.org   (810 words)

  
 Pediatric Disorders with Autonomic Dysfunction: What Role for PHOX2B? -- GAULTIER et al. 58 (1): 1 -- Pediatric Research   (Site not responding. Last check: 2007-10-23)
Devriendt K, Fryns JP, Naulaers G, Devlieger H, Alliet P 2000 Neuroblastoma in a mother and congenital central hypoventilation in her daughter: variable expression of the same genetic disorder.
Yokoyama M, Watanabe H, Nakamura M 1999 Genomic structure and functional characterization of NBPhox (PMX2B), a homeodomain protein specific to catecholaminergic cells that is involved in second messenger-mediated transcriptional activation.
Weese-Mayer DE, Silvestri JM, Marazita ML, Hoo JJ 1993 Congenital central hypoventilation syndrome: inheritance and relation to sudden infant death syndrome.
www.pedresearch.org /cgi/content/full/58/1/1   (3774 words)

  
 Leptin and the obesity hypoventilation syndrome: a leap of faith? -- Fitzpatrick 57 (1): 1 -- Thorax
Leptin and the obesity hypoventilation syndrome: a leap of faith?
Ventilatory chemoresponsiveness in relatives of patients with obesity hypoventilation syndrome and normal subjects.
Association of serum leptin with hypoventilation in human obesity.
thorax.bmjjournals.com /cgi/content/full/57/1/1   (1612 words)

  
 Congenital central hypoventilation syndrome and Hirschsprung's disease -- Croaker et al. 78 (4): 316 -- Archives of ...
Congenital central hypoventilation syndrome and Hirschsprung's disease -- Croaker et al.
Hamilton J, Bodurtha J. Congenital central hypoventilation syndrome and Hirschsprung's disease in half sibs.
Diaphragmatic pacing in children with congenital central alveolar hypoventilation syndrome.
adc.bmjjournals.com /cgi/content/full/78/4/316   (3492 words)

  
 Patterns and predictors of sleep disordered breathing in primary myopathies -- Ragette et al. 57 (8): 724 -- Thorax
Hypercapnic hypoventilation is a reflection of nocturnal respiratory
hypoventilation was defined as desaturations under 90% during
Clinical indications for noninvasive positive pressure ventilation in chronic respiratory failure due to restrictive lung disease, COPD, and nocturnal hypoventilation: a consensus conference report.
thorax.bmjjournals.com /cgi/content/full/57/8/724   (2168 words)

  
 Hypoventilation and SIDS
It may well turn out that SIDS is somehow related to inadequate breathing during sleep, in which case calling it a hypoventilation syndrome may be accurate.
In addition, it would be an error to prematurely call SIDS a hypoventilation syndrome, because it might narrow the research focus.
Therefore, it is best not to assume information we are not sure of, and to keep SIDS "open" as a mystery in hopes of attracting the best research minds form all disciplines to help us find the answer.
sids-network.org /experts/hypoventilation.htm   (374 words)

  
 The Obesity-Hypoventilation Syndrome Revisited -- Teichtahl 120 (2): 336 -- Chest
Achincloss, JH, Cook, E, Renzetti, AD (1955) Clinical and physiological aspects of a case of polycythemia and alveolar hypoventilation.
Barrera, F, Hillyer, P, Ascanio, G, et al (1973) The distribution of ventilation, diffusion and blood flow in obese patients with normal and abnormal blood gases.
Lopata, M, Onal, E (1982) Mass loading, sleep apnea, and the pathogenesis of obesity hypoventilation.
www.chestjournal.org /cgi/content/full/120/2/336   (1834 words)

  
 Effects of carotid and aortic chemoreceptor denervation in newborn piglets -- Serra et al. 92 (3): 893 -- Journal of ...
There was a significant hypoventilation in CBD and CBD+AOD compared with sham and AOD in all age groups.
Furthermore, in group 5 there is a significantly greater hypoventilation in CBD+AOD piglets compared with CBD alone.
Note also that the hypoventilation is transient and that there is full recovery within 3 wk of surgery.
jap.physiology.org /cgi/content/full/92/3/893   (4525 words)

  
 Congenital Central Hypoventilation Syndrome (CCHS) Research
Congenital central hypoventilation syndrome (CCHS) has been linked to autonomic nervous system dysfunction and/or dysregulation since it was first described in 1970.
Classic CCHS is characterized by adequate ventilation while the child is awake and by hypoventilation with normal respiratory rates and shallow breathing during sleep; more severely affected children hypoventilate when both awake and asleep.
Weese-Mayer DE and Berry-Kravis EM:  Genetics of congenital central hypoventilation syndrome: Lessons from a seemingly orphan disease.
www.rush.edu /rumc/page-R12510.html   (652 words)

  
 Functional Brain Deficits in Congenital Central Hypoventilation Syndrome: Commentary on the articles by Woo et al. on ...   (Site not responding. Last check: 2007-10-23)
Functional Brain Deficits in Congenital Central Hypoventilation Syndrome: Commentary on the articles by Woo et al.
Trang H, Dehan M, Beaufils F, Zaccaria I, Amiel J, Gaultier C 2005 The French congenital central hypoventilation syndrome registry: general data, phenotype, genotype.
Macey PM, Valderama C, Kim AH, Woo MA, Gozal D, Keens TG, Harper RK, Harper RM 2004 Temporal trends of cardiac and respiratory responses to ventilatory challenges in congenital central hypoventilation syndrome.
www.pedresearch.org /cgi/content/full/57/4/471   (1519 words)

  
 Congenital central hypoventilation syndrome definition - Medical Dictionary definitions of popular medical terms
Congenital central hypoventilation syndrome: Failure from birth of central nervous system control over breathing while asleep.
Some patients have down slanting eyes, a small nose, a triangular-shape mouth, and ears that are low-set and backwards rotated.
The names for this disease include congenital central hypoventilation syndrome with Hirschsprung disease, congenital failure of autonomic control, idiopathic central alveolar hypoventilation, central sleep apnea with severe hypoventilation, and Ondine's curse.
www.medterms.com /script/main/art.asp?articlekey=9660   (295 words)

  
 Association of germline mutations and polymorphisms of the RET proto-oncogene with idiopathic congenital central ...
Association of germline mutations and polymorphisms of the RET proto-oncogene with idiopathic congenital central hypoventilation syndrome in 33 patients -- Fitze et al.
Sakai T, Wakizaka A, Nirasawa Y. Congenital central hypoventilation syndrome associated with Hirschsprung’s disease: mutation analysis of the RET and endothelin-signaling pathways.
Genetic segregation analysis of autonomic nervous system dysfunction in families of probands with idiopathic congenital central hypoventilation syndrome.
jmg.bmjjournals.com /cgi/content/full/40/2/e10   (3367 words)

  
 Congenital Central Hypoventilation Syndrome / Family Village Library   (Site not responding. Last check: 2007-10-23)
The mission of the CCHS Family Support Network is to educate families, medical professionals and care-givers about CCHS and to advocate for optimal care for our children diagnosed with CCHS.
We are an international group, working to connect CCHS families around the world in the effort of increasing awareness, interest in CCHS research and sharing news about new technologies used in the medical care of our children.
We will try to keep up-to-date on the latest medical advances as we provide a forum for family members to connect and share their stories.
www.familyvillage.wisc.edu /lib_cchs.html   (145 words)

  
 Medical Dictionary: Hypoventilation - WrongDiagnosis.com
Hypoventilation: reduction in the amount of air entering the pulmonary alveoli.
Hypoventilation : reduction in the amount of air entering the pulmonary alveoli.
Other terms that may be related to Hypoventilation:
www.wrongdiagnosis.com /medical/hypoventilation.htm   (186 words)

  
 Long term ventilation in neurogenic respiratory failure -- Howard and Davidson 74 (Supplement 3): 24 -- Journal of ...
Central alveolar hypoventilation is characterised by a reduced
nocturnal hypoventilation is revealed by oximetry or the daytime
Management of chronic alveolar hypoventilation by nasal ventilation.
jnnp.bmjjournals.com /cgi/content/full/74/suppl_3/iii24   (4425 words)

  
 eMedicine - Obesity-Hypoventilation Syndrome and Pulmonary Consequences of Obesity : Article by Mary E Cataletto, MD
Overnight polysomnogram: In the case of children and adolescents, morbid obesity can be associated with hypoventilation, hypoxia, and hypercarbia during sleep.
Rhodes SK, Shimoda KC, Waid LR, et al: Neurocognitive deficits in morbidly obese children with obstructive sleep apnea.
Rosen CL: Clinical features of obstructive sleep apnea hypoventilation syndrome in otherwise healthy children.
www.emedicine.com /ped/topic1627.htm   (2712 words)

  
 Endogenous Marinobufagenin-like Immunoreactive Factor and Na+,K+ ATPase Inhibition During Voluntary Hypoventilation -- ...
of hypoventilation was associated with decreases in diastolic
Plasma concentration of digitalis-like substances at baseline (BL), during hypoventilation (HV), and after hypoventilation (recovery, RC).
the period of hypoventilation was reversed by in vitro pretreatment
hyper.ahajournals.org /cgi/content/full/26/5/781   (3889 words)

  
 TopSearch10 - Search Results - obesity hypoventilation   (Site not responding. Last check: 2007-10-23)
Read about obesity hypoventilation in the free online encyclopedia and dictionary.
Bid on auctions or use Buy it Now to purchase items from customer-rated sellers.
Find obesity hypoventilation and more at Lycos Search.
obesity.quality-only.info /obesity-hypoventilation.htm   (175 words)

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