Obstructive sleep apnea (OSA) involves cessation of breathing during sleep due to collapse of the upper airway. The document discusses the history, types, prevalence, risk factors, symptoms, diagnosis and treatment of OSA. Regarding treatment, positive airway pressure with CPAP is very effective but requires good mask fit and humidification. Surgery and oral appliances can also be used but may not be curative. Lifestyle changes like weight loss and avoiding alcohol before bed can help reduce OSA severity. Untreated OSA is associated with increased risk of health issues like hypertension.
Sleep Apnea and Traffic Accidents: By Dr.K.O.Paulose. FRCS DLO
Consultant ENT Surgeon
Jubilee Hospital, Trivandrum,South India.
www.drpaulose.com www.snorefreesleep.com
Obstructive sleep apnea (OSA) is a prevalent chronic disease characterized by pharyngeal collapse during sleep.
Sleep disorder that involves cessation or significant decrease in airflow through the upper airway in the presence of breathing effort.
Obstructive sleep apnea is the second most common sleep disorder, insomnia being the most common.
Associated with recurrent oxyhemoglobin desaturations and arousals from sleep
Apnea index- no. of apneas /hr of total sleep time.
AHI (APNEA-HYPOPNEA INDEX)- No of apneas and hypoapneas/hr of total sleep time.
RDI (Respiratory Disturbance Index) – no. of apneas, hypoapneas and respiratory effort related arousals(RERA)/hr of total sleep time.
Sleep Apnea and Traffic Accidents: By Dr.K.O.Paulose. FRCS DLO
Consultant ENT Surgeon
Jubilee Hospital, Trivandrum,South India.
www.drpaulose.com www.snorefreesleep.com
Obstructive sleep apnea (OSA) is a prevalent chronic disease characterized by pharyngeal collapse during sleep.
Sleep disorder that involves cessation or significant decrease in airflow through the upper airway in the presence of breathing effort.
Obstructive sleep apnea is the second most common sleep disorder, insomnia being the most common.
Associated with recurrent oxyhemoglobin desaturations and arousals from sleep
Apnea index- no. of apneas /hr of total sleep time.
AHI (APNEA-HYPOPNEA INDEX)- No of apneas and hypoapneas/hr of total sleep time.
RDI (Respiratory Disturbance Index) – no. of apneas, hypoapneas and respiratory effort related arousals(RERA)/hr of total sleep time.
Obstructive Sleep Apnea a type of sleep disorderGunalan M.M
OSA, or Obstructive Sleep Apnea, is a sleep disorder characterized by repeated interruptions in breathing during sleep due to blocked or narrowed airways. This obstruction can lead to fragmented sleep, daytime fatigue, and other health complications if left untreated. Treatment options include lifestyle changes, CPAP therapy, and in some cases, surgery.
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"Breath Easy: The Role of Orthodontics in Managing Obstructive Sleep Apnea"safabasiouny1
obstructive sleep apnea and orthodontics including diagnosis and treatment
Sleep disruption caused by breathing disorders are potentially life-threatening and therefore an important global health issue.
Sleep disorders, particularly untreated obstructive sleep apnea (OSA) has been known as a risk and possible causative factor in
1.
development of systemic hypertension,
2.
depression,
3.
stroke, angina
4.
cardiac dysrhythmias.
5.
can be associated with motor vehicle accidents,
6.
poor work performance and therefore, also makes a person prone to occupational accidents and reduced quality of life.
7.
adversely affects patients on their personal, social and professional levels.
Obstructive sleep apnea (OSA)
Definition: cessation of airflow for more than 10 seconds and hypopnoea is 50% reduction in air flow
It is Classified as central, obstructive and mixed and can be graded as mild, moderate and severe
OSA is an entity that is increasingly being managed by otolaryngologists...Hope this presentation helps to clear any doubts regarding its diagnosis and management!
Obstructive sleep disorder /certified fixed orthodontic courses by Indian de...Indian dental academy
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This presentation gives some basic information regarding the definition , etiology and pathophysiology of " obstructive sleep apnea" which is a serious sleep disorder .Treatment methods are briefly reviewed with special emphasis on the role of the oral surgeon and orthodontist in the management of this medical condition .
Obstructive Sleep Apnea a type of sleep disorderGunalan M.M
OSA, or Obstructive Sleep Apnea, is a sleep disorder characterized by repeated interruptions in breathing during sleep due to blocked or narrowed airways. This obstruction can lead to fragmented sleep, daytime fatigue, and other health complications if left untreated. Treatment options include lifestyle changes, CPAP therapy, and in some cases, surgery.
Indian Dental Academy: will be one of the most relevant and exciting training center with best faculty and flexible training programs for dental professionals who wish to advance in their dental practice,Offers certified courses in Dental implants,Orthodontics,Endodontics,Cosmetic Dentistry, Prosthetic Dentistry, Periodontics and General Dentistry.
"Breath Easy: The Role of Orthodontics in Managing Obstructive Sleep Apnea"safabasiouny1
obstructive sleep apnea and orthodontics including diagnosis and treatment
Sleep disruption caused by breathing disorders are potentially life-threatening and therefore an important global health issue.
Sleep disorders, particularly untreated obstructive sleep apnea (OSA) has been known as a risk and possible causative factor in
1.
development of systemic hypertension,
2.
depression,
3.
stroke, angina
4.
cardiac dysrhythmias.
5.
can be associated with motor vehicle accidents,
6.
poor work performance and therefore, also makes a person prone to occupational accidents and reduced quality of life.
7.
adversely affects patients on their personal, social and professional levels.
Obstructive sleep apnea (OSA)
Definition: cessation of airflow for more than 10 seconds and hypopnoea is 50% reduction in air flow
It is Classified as central, obstructive and mixed and can be graded as mild, moderate and severe
OSA is an entity that is increasingly being managed by otolaryngologists...Hope this presentation helps to clear any doubts regarding its diagnosis and management!
Obstructive sleep disorder /certified fixed orthodontic courses by Indian de...Indian dental academy
The Indian Dental Academy is the Leader in continuing dental education , training dentists in all aspects of dentistry and offering a wide range of dental certified courses in different formats.
Indian dental academy provides dental crown & Bridge,rotary endodontics,fixed orthodontics,
Dental implants courses.for details pls visit www.indiandentalacademy.com ,or call
0091-9248678078
This presentation gives some basic information regarding the definition , etiology and pathophysiology of " obstructive sleep apnea" which is a serious sleep disorder .Treatment methods are briefly reviewed with special emphasis on the role of the oral surgeon and orthodontist in the management of this medical condition .
Similar to SLEEP+DISORDERED+BREATHING- DrNalamati 5-13-09.ppt (20)
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Just a game Assignment 3
1. What has made Louis Vuitton's business model successful in the Japanese luxury market?
2. What are the opportunities and challenges for Louis Vuitton in Japan?
3. What are the specifics of the Japanese fashion luxury market?
4. How did Louis Vuitton enter into the Japanese market originally? What were the other entry strategies it adopted later to strengthen its presence?
5. Will Louis Vuitton have any new challenges arise due to the global financial crisis? How does it overcome the new challenges?Assignment 3
1. What has made Louis Vuitton's business model successful in the Japanese luxury market?
2. What are the opportunities and challenges for Louis Vuitton in Japan?
3. What are the specifics of the Japanese fashion luxury market?
4. How did Louis Vuitton enter into the Japanese market originally? What were the other entry strategies it adopted later to strengthen its presence?
5. Will Louis Vuitton have any new challenges arise due to the global financial crisis? How does it overcome the new challenges?Assignment 3
1. What has made Louis Vuitton's business model successful in the Japanese luxury market?
2. What are the opportunities and challenges for Louis Vuitton in Japan?
3. What are the specifics of the Japanese fashion luxury market?
4. How did Louis Vuitton enter into the Japanese market originally? What were the other entry strategies it adopted later to strengthen its presence?
5. Will Louis Vuitton have any new challenges arise due to the global financial crisis? How does it overcome the new challenges?
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6. Historical background
Apnea- literally means “without breath”
Pickwickian papers fat boy “Joe”
Osler and later Burwell applied the
name “Pickwickian Syndrome” to
patients with Obesity, Hypersomnolence
and signs of Chronic hypoventilation
7. Historical (contd.)
Sleep apnea -Rediscovered by Gestaut and
co- workers in 1965 by simultaneously
recording sleep and breathing in a
“Pickwickian” patient and described all 3
types of apnea.
Postulated that sleepiness is due to repetitive
arousals associated with resumption of
breathing that terminated the apneic events.
8. Historical(contd.)
First description of successful Tx of
OSA by tracheostomy followed in 1969.
First Tx with CPAP – in 1980’s soon
after NIPPV was described by Charles
Collins of Australia
9. Definition of Apnea
Apnea-Cessation of breathing(air flow)
for 10 seconds
Hypopnea- decreased in the airflow by
30-50%, and associated with an arousal
and a drop in oxygen desaturation by 3-
4%
10. Prevalence
9% of men and 4% of women, in one
study of state employees had AHI of 15
events/hr
12 million people in the US have OSA
11. Pathophysiology
Pharynx is abnormal in size or
collapsibility.
As an organ for speech and deglutition
it must be able to change shape and
close
As a conduit for airflow it must resist
collapse
12. Pathophysiology(contd.)
Exact mechanism is not known
During the day muscles in the region keep
the airway open
During sleep muscles relax to a point where
the airway collapses to an extent that it gets
obstructed
Once breathing stops, individual awakens to
breathe and arousal can last few seconds to
a minute
13.
14.
15. Risk factors for OSA
Obesity
Age- middle aged men and post-
menopausal women
Older age- due to loss of muscle mass
and tone
? Family Hx of OSA
16. Risk factors (contd.)
Anatomic abnormalities- receding chin,
?Nasal congestion, ? DNS
Enlarged Tonsils and adenoids esp.in
children
Enlarged and inflammed uvula,
worsened by chronic smoking, GERD
Acromegaly
17. Risk factors (contd.)
Amyloidosis, post- polio syndrome,
neuromuscular disorders
Marfan’s syndrome, Down’s syndrome
Use of alcohol and sedatives that relax
the upper airway
Increased neck circumference > 16
inches in women and 18 inches in men
18.
19.
20.
21.
22. Symptoms
Most of the symptoms are from
disruption of normal sleep architecture
Excessive Daytime Sleepiness (EDS)-
falling asleep even in stimulating
environment, during a conversation,
eating, business meeting
H/O Snoring
26. SHHS
Sleep heart health study- initiated by
NIH in 1996 and initial data shows that
treatment of SBD improved outcomes in
control of HTN, CHF atherogenesis,
glycemic control
27. Screening for OSA
2 of the three symptoms- EDS, loud
Snoring, Witnessed Apneas
High Score on ESS(Epworth Sleepiness
Score)>12, or Stanford Sleepiness
Score
28. Epworth Sleepiness
Scale (ESS)
Maxiumum score of 24
The scale is used to rate the 8
situations below that apply best to each
individual
0-no chance of dozing
1- Slight chance of dozing
2- moderate chance of dozing
3- high chance of dozing
29. ESS (contd.)
Sitting and reading
Watching television
Sitting inactive in a public place ( theater, meeting)
As a passenger in a car for about an hr. without break
Lying down to rest in the afternoon when
circumstances permit
Sitting and talking to someone
Sitting quietly after lunch
In a car, while stopped for a few minutes in traffic
30. ESS ( contd.)
1-6 : getting enough sleep
7-9 about average and probably not
suffering from Excessive daytime
Sleepiness (EDS)
10 or greater- need further evaluation
to determine the cause of EDS or if you
have underlying sleep disorder
31. Types of Sleep Study
Full night Polysomnography ( PSG)
PSG with CPAP titration
Split- Night Polysomnography
Multiple Sleep latency test ( MST)
Maintainance of wakefulness Test (
MWT)
32. Diagnosis
Nocturnal Polysomnography-in lab
study, where EEG, EMG, HR, body
position, leg movements, Oximetry,
Snoring, abdominal and chest wall
movements are recorded
Home studies are limited as EEG is not
recorded, or in some limited studies
only Nocturnal Pulse oximetry is done
33.
34.
35. Definition of OSA
Normal- AHI < 5
Mild OSA- AHI 5-20
Moderate OSA- AHI 20-40
Severe OSA- AHI 40-60
RDI( respiratory disturbance Index)-
AHI+ RERA( Respiratory Effort Related
Arousals)
36. UARS
Upper Airway Resistance Syndrome
Cannot be diagnosed with PSG
Repetitive arousals that probably result
from increased Respiratory effort and
high resistance in the airway
Can be diagnosed by measuring
esophageal pressure (Pes)
40. Positive airway pressure
Effective, Non-invasive
Mask fit, air seal, comfort and
humidification are important
Nasal mask, full face- masks, nasal
pillows, Nasal aire prongs
41. Complications of CPAP
Local dermatitis
Air leak, nasal congestion,rhinorrhea
Dry eyes
Nose bleed
Aerophagia
Rare- tympanic rupture, pneumothorax
Compliance is the biggest issue
42. Surgery
Except tracheostomy,helps only mild to
moderate cases or only primary snoring
Not curative for OSA
Somnoplasty- office procedure-
radiofrequency ablation of the soft
palate- only for snoring
43. Surgery( contd.)
LAUP- laser assisted uvuloplasty, only
for snoring, office procedure
UPPP (UP3)- (Uvulo-palato-pharyngo-
plasty)
Complicated surgery
Patients have to observed in the
hospital overnight
44. UPPP(contd.)
Decreases AHI by only 50%
Complications include- nasal
regurgitation of fluids, pharyngeal
stensosis
In children- tonsillectomy and
adenoidectomy alone is curative
45. Jaw surgery
Useful for retrognathia, involves partial
excision of maxilla or mandible
Genioplasty
Complicated surgery
46. Bariatric surgery
Gastric bypass
Weight loss and decrease in adipose
tissue of the parapharyngeal region
leads to improvement or cure of OSA
Weight loss has to be at least 20-30lbs
before any change in AHI can be seen
47. Oral appliances
Devices that are worn during sleep that
retract the jaw and alleviate upper
airway obstruction
Tongue retaining devices for people with
macroglossia
52. CPAP Therapy
Positive impact on subjective sleepiness
and depression (in RCTs)
Fatigue, generic health related quality of
life, vigilance, driving performance are
all improved ( prospective trials)
These parameters are sensitive to Tx
duration and compliance
53. Commercial driving and
OSA
OSA has to be effectively treated
before clearing the patient for work
Objective documentation of regular
CPAP use and testing by Multiple sleep
latency test and/or MWT( Maintainance
of Wakefulness Test)