Chronic Otitis Media- mucosal/ Tubotympanic / safe type.
Definition of COM/CSOM
Etiology & Risk factors of COM
Etiopathogenesis
bacteriology
chain of events
Types of COM/CSOM
Classification of COM/CSOM
middle ear dysventilation
perforations of tympanic membrane
clinical features of COM mucosal type
treatment
tympanoplasty
ossiculoplasty
techniques of myringoplasty
steps of tympanoplasty
temporalis fascia graft
A very simple and informative undergraduate presentation on different types of middle ear surgeries including Myringotomy, myringoplasty, mastoidectomy and the surgical approaches to middle ear.
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Tom Selleck, an enduring figure in Hollywood. has captivated audiences for decades with his rugged charm, iconic moustache. and memorable roles in television and film. From his breakout role as Thomas Magnum in Magnum P.I. to his current portrayal of Frank Reagan in Blue Bloods. Selleck's career has spanned over 50 years. But beyond his professional achievements. fans have often been curious about Tom Selleck Health. especially as he has aged in the public eye.
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Introduction
Many have been interested in Tom Selleck health. not only because of his enduring presence on screen but also because of the challenges. and lifestyle choices he has faced and made over the years. This article delves into the various aspects of Tom Selleck health. exploring his fitness regimen, diet, mental health. and the challenges he has encountered as he ages. We'll look at how he maintains his well-being. the health issues he has faced, and his approach to ageing .
Early Life and Career
Childhood and Athletic Beginnings
Tom Selleck was born on January 29, 1945, in Detroit, Michigan, and grew up in Sherman Oaks, California. From an early age, he was involved in sports, particularly basketball. which played a significant role in his physical development. His athletic pursuits continued into college. where he attended the University of Southern California (USC) on a basketball scholarship. This early involvement in sports laid a strong foundation for his physical health and disciplined lifestyle.
Transition to Acting
Selleck's transition from an athlete to an actor came with its physical demands. His first significant role in "Magnum P.I." required him to perform various stunts and maintain a fit appearance. This role, which he played from 1980 to 1988. necessitated a rigorous fitness routine to meet the show's demands. setting the stage for his long-term commitment to health and wellness.
Fitness Regimen
Workout Routine
Tom Selleck health and fitness regimen has evolved. adapting to his changing roles and age. During his "Magnum, P.I." days. Selleck's workouts were intense and focused on building and maintaining muscle mass. His routine included weightlifting, cardiovascular exercises. and specific training for the stunts he performed on the show.
Selleck adjusted his fitness routine as he aged to suit his body's needs. Today, his workouts focus on maintaining flexibility, strength, and cardiovascular health. He incorporates low-impact exercises such as swimming, walking, and light weightlifting. This balanced approach helps him stay fit without putting undue strain on his joints and muscles.
Importance of Flexibility and Mobility
In recent years, Selleck has emphasized the importance of flexibility and mobility in his fitness regimen. Understanding the natural decline in muscle mass and joint flexibility with age. he includes stretching and yoga in his routine. These practices help prevent injuries, improve posture, and maintain mobilit
TEST BANK for Operations Management, 14th Edition by William J. Stevenson, Ve...kevinkariuki227
TEST BANK for Operations Management, 14th Edition by William J. Stevenson, Verified Chapters 1 - 19, Complete Newest Version.pdf
TEST BANK for Operations Management, 14th Edition by William J. Stevenson, Verified Chapters 1 - 19, Complete Newest Version.pdf
2. DEFINITION
TYMPANOPLASTY
According to the American Academy of
Opthalmology and Otolaryngology Subcommittee on
Conversation of Hearing 1965 definition,
tympanoplasty is “ a procedure to eradicate
disease in the middle ear and to reconstruct the
hearing mechanism, with or without tympanic
membrane grafting “
3. TYMPANOPLASTY includes :
• Canalplasty (widening of bony part of the external
auditory canal)
• Myringoplasty (closure of the eardrum perforation in
cases with a normal ossicular chain and without any other
surgical procedures in the tympanic cavity or middle ear)
• Ossiculoplasty (reconstruction of ossicular chain)
4. HISTORY
WULLSTEIN – in 1953 introduced the term
“TYMPANOPLASTY”
KESSEL – in 1878 did stapes mobilization
BERTHOLD – in 1878 plastic repair of tympanic
membrane
SOURDILLE – tympanolabyrinthopexy for
otosclerosis
MORITZ – in 1950 described use of pedicled flaps
to construct a closed middle ear cavity in cases of
chronic suppuration to provide sound shielding for
round window in preparation for later fenestration of
horizontal SCC
5. HISTORY
WULLSTEIN – advocated free skin transplants rather
than the pedicled grafts used by MORITZ,
ZOLLNER –soon after changed from pedicled to free
grafts as well. He replaced free distant skin graft with
meatal skin.
SHEA AND TABB – in 1960 reported vein as grafting
material
HEERMANN – 1961 described temporalis fascia as
grafting material
STORRS – in 1963 introduced temporalis fascia as a
graft in the united states.
6. HISTORY
HALL AND RYTZNER - in 1957 described ossicular
repositioning
Homograft ossicles for reconstructing the ossicular
chain in tympanoplasty became popular in the early
1960s
GLASSCOCK AND HOUSE – in 1968 reported the first
large series of homograft tympanic membrane
procedures
7. AIMS OF TYMPANOPLASTY
1. Eradication of disease
2. Restoration of tympanic membrane
3. Reconstruction of a sound transformer mechanism
8. OBJECTIVES OF
TYMPANOPLASTY
IN DECREASING ORDER OF PRIORITY
elimination of disease to produce a safe and dry ear;
alteration of anatomy to prevent recurrent disease,
and to optimize cleaning and otologic monitoring;
reconstruction of the middle ear to achieve
serviceable and stable postoperative hearing
9. • The results of tympanoplasty are measured in terms of
success or failure of graft take and hearing improvement
• Individuals with bening perforations and simple ossicular
chain deficits have a very good to excelent chance of
obtaining a dry ear and hearing within normal range
•Such a patient may expect 93 to 97% chance of graft “take”
and an 85 to 90% chance for hearing gain to within 20dB of
bone level.
11. TYPE I - TYMPANOPLASTY
TYPE I – perforation in tympanic membrane
repaired with a graft. Intact ossicular chain .
Myringoplasty
12. TYPE II - TYMPANOPLASTY
TYPE II – defective or absent malleus handle, but intact
incudostapedial joint. The fascia is placed on the
lenticular process of the incus. Myringoincudopexy
13. TYPE III – malleus and incus are absent. Graft is
placed directly on the stapes head.
Myringostapediopexy producing a shallow middle ear
and a collumella effect.
TYPE III - TYMPANOPLASTY
14. TYPE IV - TYMPANOPLASTY
TYPE IV – only the foot plate of stapes is present . It is
exposed to the external ear and graft is placed between
the oval and round windows. A narrow middle ear
(cavum minor) is thus created, to have an air pocket
around the round window
15. TYPE V - TYMPANOPLASTY
TYPE V – stapes footplate is fixed but round window is
functioning. Another window is created on horizontal
SCC and covered with a graft. Fenestration Operation
17. •TYMPANOPLASTY TYPE 2- defective long process
of the incus. Interposition of an ossicle, or any other
prosthesis, between the stapedial arch and the malleus
handle or eardrum.
18. • TYMPANOPLASTY TYPE 3 – absent or severely
defective stapedial arch. Placement of a columella
between the footplate and the malleus handle or
eardrum
19. •TYMPANOPLASTY TYPE 4-sound protection of the round
window with a graft, and formation of an air space in the
hypotympanum. The footplate is covered by keratinized
epithelium.
20. • TYMPANOPLASTY TYPE 5A – fenestration of the lateral
SCC(arrow) in cases with no ossicles and a fixed footplate.
In such cases the stapedial arch is usually missing. The
round window is protected.
21. •TYMPANOPLASTY TYPE 5B – Platinectomy . The
oval window niche is filled with fatty or fibrous tissue
22. FARRIOR’S CLASSIFICATION
(1968)
TYPE 1- cases with intact ossicular chain or
myringoplasty
TYPE 2 – reconstruction of a new ear drum, placed in
contact with a normal, mobile incus in cases with a
missing malleus handle, similar to Wullstein type 2 –
myringoincudopexy
TYPE 3 –interposition of a bone graft between the intact
stapes and the ear drum or the malleus handle,
corresponding to Tos type 2 classification.
23. TYPE 4 – denotes cases with a missing stapedial arch,
reconstructed by a columella, corresponding to Tos type 3
classification.
TYPE 5 – fenestration of the lateral SCC , same as
Wullstein’s type 5.
TYPE 6 – myringoplasty in cases with no ossiculoplasty and
no restoration of the hearing, for instance in scar tissue,
tympanosclerosis around the windows, and disease of the
Eustachian tube.
24. OTHER CLASSIFICATIONS
BELLUCCI’S modified Wullstein classification for
the prognosis of hearing improvement.
1. Type 1 : Intact ossicles
2. Type 2 : Minor ossicular defects
3. Type 3 : Severe ossicular defects but stapes arch
intact
4. Type 4 : Cavum minor
KLEY’S CLASSIFICATION (1982)
25. (A) Type I. Repair of tympanic membrane (TM) with
temporalis fascia.
26. (B) Type III: minor columella. Ossicular strut or partial
ossicular replacement prosthesis (PORP) is placed
between stapes head and manubrium/TM.
27. (C) Type III: major columella. Total ossicular
replacement prosthesis (TORP) is placed from stapes
footplate to the manubrium/TM.
28. (D) Type III: stapes columella. Performed with canal wall-
down (CWD) mastoidectomy and obliteration of mastoid.
Thin cartilage disk and temporalis fascia are placed on
stapes head.
29. (E) Type IV. Round window is acoustically shielded by
thick cartilage and temporalis fascia while footplate is
covered with thin skin graft. Also performed with CWD
mastoidectomy
30. (F) Type V. Similar to type IV, except for total
stapedectomy and footplate replacement by an adipose
graft.
31.
32. INDICATIONS FOR TYMPANOPLASTY
Tympanic membrane perforations and associated
hearing loss with or without middle ear pathology
such as tympanosclerosis , small retraction pockets ,
and cholesteatomas.
33. CONTRAINDICATIONS
ABSOLUTE –
1. Poor general health
2. Malignant tumours of outer / middle ear
3. Uncontrolled cholesteatoma
4. Unusual infections like malignant otitis externa
5. Complications of chronic ear disease such as
meningitis , brain abscess ,or lateral sinus
thrombosis
6. If it is the only or significantly better hearing ear.
35. PREOPERATIVE EVALUATION
Complete history and head and neck examination
Otoscopic examination , best accomplished by
operating microscope
Audiogram ,including PTA and air bone conduction
thresholds as well as speech discrimination scores.
36. ANESTHESIA
1. GENERAL ANESTHESIA –
• Extensive removal of tympanic cavity mucosa or tympanic
cavity cholesteatoma
• Any surgery in the anterior tympanon or tympanic orifice
of the Eustachian tube
• Cases requiring mastoidectomy or reconstruction of the ear
canal
• Children
37. • Uncooperative adults, apprehensive adults
• Patients who spontaneously prefer or request GA
• Any surgery lasting more than 1 ½ - 2 hours.
• Revision tympanoplasties where major pieces of temporal
muscle fascia have already been harvested previously
2. LOCAL ANESTHESIA –
• Limited to cooperative adults with dry, noninfected
ears and no evidence of mastoid disease.
38. POSITIONING OF THE PATIENT
Patient is placed closed to the edge of the table,
Patient’s body strapped on table with both arms
padded and tucked closed to body.
Head turned approx 120 degrees away from surgeon
and is supported with a folded towel placed b/t
table and contralateral cheek.
Operating table which can rotate along its long axis.
Hydraulic chair.
39. INSTRUMENTS
Bard parker handle and blade no 15, straight and curved scissors,
toothed and non toothed forceps, artery forceps, sponge holder
Rosen aural speculum ,tumarkin slotted aural speculum
Mollison and Wullstein self retaining retractors, Cottle double hook
retractor
House graft press forceps
Freer and Farabeuf periosteal elevators
Wullstein needle
Sickle knife
Plestor first incision knife
Circular cutting knife
Rosen elevator
House curette
Micro aural crocodile forceps, micro aural cup forceps, micro aural
scissors
Needle holder ( Kilner and micro fine)
41. TRANSCANAL APPROACH
Surgery is performed through an ear speculum in the ear canal.
Mostly used for reparing acute truamatic perforations.
Indicated when the external auditory canal is wide.
Cannot be used when anterior margin of perforation is obscured by
overhanging canal wall.
42. TRANSCANAL APPROACH
SURGICAL STEPS
Local anesthesia
Use of the ear speculum
Fixation of the ear speculum
Exposure of the traumatic perforation
Outfolding of perforation margins (1.5mm,90 hook)
Intratympanic fixation of perforation margins (gelfoam)
Extratympanic fixation of perforation margins.
43. ENDAURAL APPROACH
A small incision is made between the tragus and the helix.
Selected for posterior perforations.
A posterior overhang of bone can be eliminated with a burr.
A more anterior surgical view than with the transcanal approach
However , most anterior perforations are still obscured by the
anteroinferior overhang of the bony external canal
44. ENDAURAL APPROACH
SURGICAL STEPS
Local anesthesia
Endaural incision
Refreshing of perforation margins
Elevation of tympanomeatal flap
Anterior fascial underlay(fresh tragal perichondrium)
Repositioning the tympanomeatal flap
Fixation of underlaid fascia with intratympanic gelfoam
Wound closure.
45. RETROAURICULAR APPROACH
With this approach, the pinna and the attached retroauricular tissues are
reflected anteriorly.
For anterior perforations whose margins cannot be seen entirely through the
intact external canal.
The removal of the overhanging canal walls provides for complete exposure
of the anterior edge of the tympanic membrane
46. RETROAURICULAR APPROACH
SURGICAL STEPS
Anesthesia
Retroauricular skin incision
Temporalis fascia graft harvesting
Periosteal flap raised
Exposure of the external auditory canal
Dissection of the perforation edge
Elevation of tympanomeatal flap
Checking the ossicular continuity
Grafting and Repositioning the tympanomeatal flap
Fixation of graft with gelfoam
Wound closure.
47. TYMPANOTOMIES
Opening the tympanic cavity by elevating a
tympanomeatal flap together with the fibrous annulus.
Tympanotomies can be divided into:
1. Posterior tympanotomy- 12–o’clock to 6-o’clock
posteriorly (rosen incision).
2. Inferior tympanotomy – 9-o’clock to 3-o’clock incision
inferiorly.
3. Anterior tympanotomy – 12-o’clock to the 6-o’clock
incision about 5mm lateral to annulus anteriorly.
4. Superior tympanotomy - 9-o’clock to 3-o’clock incision
about 5mm lateral to shrapnell’s membrane.
48. GRAFT MATERIALS
1) AUTOGRAFT (AUTOGENOUS GRAFT) – graft
from same person. These include:
Temporalis muscle fascia
Tragal perichondrium
Conchal perichondrium
Tragal or conchal cartilage
Periosteum (mastoid process and temporal squama)
Vein ( great saphenous vein, cubital vein)
Fatty tissue (ear lobule)
Subcutaneous tissue
Fascia lata
Ear canal skin
Heterotropic skin ( skin harvested outside the ear canal)
51. OVERLAY TECHNIQUE
This technique is used when there is no remnant of the tympanic
membrane.
The graft rests over the anterior and the posterior tympanic sulcus
and underneath the malleus handle.
The edges of the graft are covered by meatal skin.
52. UNDERLAY TECHNIQUE
The presence of an anterior remnant of the tympanic membrane is required
for this type of fascial graft.
The graft is placed under the anterior remanent of the tympanic membrane
and over the posterior tympanic sulcus.
The graft lies under the malleus handle.
53. POSTOPERATIVE CARE
PRECAUTIONS
• Do not drive home after discharged the next morning
• No air travel until 4 weeks after surgery
• Do not blow nose until ear is healed
• When sneezing, keep mouth open
• Avoid water entering ear canal
• Oral antibiotics
• First postoperative visit after one week
• The gelfoam over graft is gently suctioned away, if still
present , at the second visit 3 to 4 weeks later.
• Improvement in hearing can be noticed 6 to 8 weeks after
surgery, but maximum may take 4 to 6 months