Tips Οφθαλμοπλασικήςγια ον Γενικό Οφθαλμία ρο...Full thickness...
Transcript of Tips Οφθαλμοπλασικήςγια ον Γενικό Οφθαλμία ρο...Full thickness...
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Tips Οφθαλμοπλαστικης για τον Γενικο Οφθαλμιατρο
ΕΥΑΓΓΕΛΟΣ ( Π. & Ν.) ΛΙΝΑΡΔΟΣ
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Oculoplastics ρεπερτόριο γενικού οφθαλμιατρουLid cysts
Lateral cantholysis - canthotomy
Full thickness lid defect reconstruction + Lateral cantholysis - canthotomy
entropion : Everting sutures, Wies τεχνική, Quickert τεχνική
Full thickness skin graft
Lateral tarsorhaphy
Enucleation, evisceration, primary orbital implant
1, 2 or 3- snip punctoplasty
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ΓΕΝΙΚΑ tipsSort out blood pressure
Stop aspirin prior to any lid operation
Consider visual status in each eye especially in upper lid cases and in patient with high refractive errors
Who is at home ?
• Who will escort the patient ?
• Warn about stitches and bruising
• Patients often shocked at post appearance
Allow plenty of time 45 min for
any lid procedure
Loupes very helpful 2,5 times focus 33 cm ideal do not get any higher
magnification
Always do full face prep use turban
drape and leave face uncovered
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Patient record - file
SYSTEMIC -OPHTHALMIC HISTORY
Thyroid
Post - operative bleeding episode
Bleeding disorders
Trauma –previous surgery
Eye surgery –
Hx amblyopia-patch
Medications -Allergies
Needs -expectationsof patient
Preoperative photos – old photographs
Lacrimalfunction -basic tear secretion
test Schirmer
Cornealstatus
CONSENT FORM
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anesthesia
• 2% xylocaine (lidocaine) with 1: 100.000 epinephrine and
0.5% bupivacaine (Marcain)
• JUST BENEATH THE LID SKIN 1- 1,5 ml
• Topical anesthetic solutions (no vasoconstriction)• EMLA cream ( topical lidocaine 2,5% and
prilocaine 2,5%) – 1 hour before• Betacaine gel (topical lidocaine 5%) - 30
minutes before
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instrumentsSkin hooks and Αdson’s toothed forceps essential kit for lid surgery
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Incision - tipsMarking before anesthesia
Begin cutting at the lowest part of the incision
Keep blood from obscuring the incision line
Perpendicular to skin surface
Keep skin taut
Avoid beveling incision
Poor wound closure
Through the epidermis and dermis
in a continous motion the entire length of the incision
Start and stop creates jagged, irregular wound
Minimize tissue trauma
Skin hooks - fine toothed forceps, on wound edges
Non toothed forceps ONLY FOR TYING SUTURES
• crush tissue
retard wound healing
make histologic examination difficult
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hemostasis
• aspirin products 2 weeks prior to surgery ( inhibit platelet activity)
• Warfarin and NSAID 5 days before surgery
• 3G (Garlic, Ginko, Ginseng)
• Large amounts of vitamin C and E ( post op bleeding)
• Retard healing
• Increase scarring
• Microorganism growth
• Lidocaine hydrochloride 0.5 –2% withepinephrine 1:100.000 – 1:200.000
• Inform anesthetist
• Digital pressure
• Pressure applied with forceps or hemostat
• Cautery disposable thermal cautery unit for capillary bleeding
• Bleeding from larger vessels: monopolar – bipolar electrocoagulation
•- tissue identification
•- tissue dissection
•- optimum wound healing•- accurate wound closure
Meticulous types
Patients asked not
to use
Blood clots trapped in
wound
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Wound closure• W9566 Vicryl Double Ended ½ Circle Spatulated needle: the best for tarsal stitching • W500 5.0 Silk makes a good traction suture
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dressing
• Steristrip after meticulous hemostasis and wound closure
• Protective plastic shield to bed to avoid injury during sleep
• Cold packs until bedtime the day of surgery
• vasoconstrictive effect in minimizing postoperative edema
• Warm packs for 10 min every 3 hours the morning after surgery
• promote vasodilation and absorption of the edema
• Keep the area clean gentlewipping twice daily with clean moist cloth or cotton ball
• Steroid - antibiotic ointment
AVOID
•PatchMask signs and symptoms
•Injury to delicate eyelid tissue
•Blindness
•Prolonged soaking of the wound
disrupts the healing process
•Excessive straining venous congestion increased swelling bleeding
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ptosis
• NEVER do Fasanella Servat• Pseudoptosis
• Hypotropia in involved, non-fixating side• Eyelid retraction in contralateral fixating eye• Inadequate lid support by globe and orbital structures
(reduced orbital volume)• Phthisis bulbi• Microphthalmos• Enophthalmos• Anophthalmos
• Overhang of skin over the eyelid margin• Heavy eyebrow, or fat pads
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cysts
Verrucavulgaris
cutaneoushorn
Milia
Molluscum contagiosum
Xanthelasmas
nevus
chalazion
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tumours
• BCC
• biopsy
• Slitlamp useful for very small tumours
• 2-3 mm cleareance for nodular BCC usually sufficient
• Do not attempt upper lids
• Cantholysis ‘ buys ‘ extra 3 mm
• Full thickness skin graft INAVALUABLE - learn how to do it
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Lateral cantholysis - canthotomy• Indications
• Orbital compartment syndrome• decreased visual acuity• intraocular pressure higher than 35-40mmHg• a relative afferent pupillary defect • decreased arterial circulation of the optic
nerve visualized by the absence of flow or pulsing of retinal arteries with minimal or no digital pressure on the globe
• Eyelid procedures (lateral tarsal strip)
• instruments• Αntiseptic betadine • Totopical anesthesia (Lidocaine +/- epi)• Straight mosquito hemostat• Iris scissors• Forceps
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Eyelid trauma
Gardinal rules for the management of eyelid trauma
•history
•best acuity for each eye
•thorough evaluation of the globe and orbit
•radiologic studies
•eyelid and orbital anatomy knowledge •ensure the best possible primary repair Penetrating
eyelid injuries
• detailed knowledge of eyelid anatomy helps
• the surgeon in repairing a penetrating eyelid injury
• reduces the need for secondary repairs
• the treatment of eyelid lacerations depends on the depth and location of the injury
Blunt trauma
• Echymosis–edema the most common
• evaluate for intraocular injury • thorough biomicroscopic evaluation
• dilated fundus examination
• Computed tomography ( axial - direct coronal), detect orbital fracture
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Lacerations involving the eyelid marginRepair of eyelid margin lacerations requires
• precise suture placement and critical suture tension, to minimize notching of the eyelid margin
• Precise anatomical alignment of the margin and secure tarsal closure in a meticulous, direct manner
• Surgeons differ as to whether they place the tarsal or the eyelid margin sutures first
Eyelid margin closure may be accomplished by placing
• 2 or 3 sutures ( 6-0 silk or Vicryl ) for alignment through the lash line, the meibomian gland plane, and optionally the gray line
• The eyelid margin closure should result in a moderate eversion of the well-approximated wound edges
To avoid corneal epithelial disruption, the tarsal sutures
• (5-0 Vicryl), should not extend through the conjunctival surface
OOM suture 5- 0 Vicryl
Skin closure with 6-0 silk
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Lacerations not involving the eyelid margin
TIPS
Superficial eyelid lacerations involving just the skin and orbicularis
muscle usually require only skin sutures
foreign bodies
superficial or deep should be searched for meticulously before these deeper eyelid lacerations are repaired
• Copious irrigation washes away contaminated material in the wound
presence of orbital fat in the wound means that the orbital septum has been violated
• Orbital fat prolapse in an upper eyelid wound is an indication for levatorexploration
• A lacerated levator muscle or aponeurosis must be carefully repaired to enable the levator to function as normally as possible
• Upper eyelid lagophthalmos and tethering to the superior orbital rim are common if the orbital septum is inadvertently incorporated into the laceration repair
• Orbital septum lacerations should not be sutured
• Meticulous closure of overlying eyelid skin and orbicularis muscle is adequate in all cases and avoids possible vertical shortening of the sutured orbital septum
Unnecessary scarring can be avoided by following the basic principles of plastic repair
• conservative debridement of the wound
• use of small-caliber sutures
• eversion of the wound edges
• early suture removal
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Eyelid Defects Not Involving the Eyelid Margin
repairIf undermining does
not allow direct closure,
advancement or transposition of
flaps of skin may be used
If the defect is too large to be closed primarily, several advancement or transposition techniques
of local skin flaps may be used
flaps most commonly used are rectangular advancement, rotation, and transposition
provide the best tissue match and aesthetic result but require planning in order to minimize
secondary deformities
skin-grafting procedureseasier to perform
the final texture, contour, and cosmesis are typically better with flaps
Anterior lamella upper eyelid defects are best repaired with full-thickness skin grafts from the contralateral upper eyelid
Preauricular or postauricular skin grafts, but their greater thickness may limit upper eyelid mobility.
Lower eyelid defects are best healed with preauricular or postauricular skin grafts
If skin is not available from the upper eyelids or auricular areas, full-thickness grafts may be obtained from the supraclavicular fossa or the inner upper arm
It is important to avoid placement of hair-bearing skin grafts near the eyes
direct closure NO distortion of the eyelid
margin
Tension of closure should be directed horizontally, so that secondary deformity can be
avoided
vertical tension may cause eyelid retraction or ectropion
Avoidance of vertical tension
requires placement of
vertically oriented incision lines
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tarsorrhaphy
Permanent
permanently protect the cornea from a long-term risk of damage
only closes the lateral (outer) eyelids, so that the patient can still
see through the central opening and the eye can still be examined
Temporary to help the cornea heal
or to protect the cornea during a short period of exposure or
disease
INDICATIONS
To protect the cornea in the case
of
inadequate eyelid closure, due to
- facial nerve palsy or
- cicatricial (scarring) damage to the eyelids caused by a chemical or burns injury
an anaesthetic(neuropathic) cornea
that is at risk of damage and infection
marked protrusion of the eye (proptosis) causing a risk of corneal exposure
poor or infrequent blinking,
in patients in intensive care or with severe
brain injuries
promote healing of the cornea
Non healing epithelial abrasions
an infected corneal ulcer, which is taking a
long time to healretain a conformer or other device
prevent conjunctival swelling
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3 snip punctoplasty
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ENTROPION
congenital
cicatricialMarginal
Pull lid inwards
Involutionalspastic
Turn lid inwards
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Symptoms
• Pain - irritation• Redness• Tearing
• Secondary blepharospasm, worsens picture
• 💡Latent entropion 💡
obvious after 5 minutes anesthetic drop instalation ? Mechanism?
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• LID MARGIN POSITION
• SCAR
• laxed lateral laxed medial canthal canthal tendons
• Orbital fat PROLAPSE
in inferior fornix ( BEIGI’S sign)•
• Horizontal lid laxity
• Lower lid retractors
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Everting sutures
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Transverse separation of lower lid + sutures
• NO horizontal laxity of lower lid
• Postsurgical effect lasts longer
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Transverse separation of lower lid + lower lid horizontal shortening + sutures
horizontal laxity of lower lid
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Eyelash misdirection
Trichiasis
• Lashes arise from normal site of origin
• Directed abnormally
• Common
• Acquired
• Normal lash caliber
Distichiasis
• Growth of extra row of lashes arising from an abnormal position in the posterior aspect of the lid margin ( frequently from meibomian gland orifices)
• Rare
• Congenital
• Fine lash
Metaplastic
• Abnormal position
• Metaplasia
• Late stage cicatrizing conjuctivitis
• Meibomianglands dedifferentiation to hair follicles
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•
TRICHIASIS TREATMENT
Lid margin position NORMAL
Single aberrant lash or few lashes ELECTROLYSIS
Localised areaFULL THICKNESS LID EXCISION
More extensive areas
CRYOTHERAPY
Distichiasis
Upper lid:LID SPLIT- CRYOTHERAPY
Lower lid: CRYOTHERAPY
Lid margin position ABNORMAL
CORRECT IT
Tarsal fracture
Or
Epiblepharon repair
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ECTROPION
mechanical
cicatricial
congenital
paralytic -atonic
involutional
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Clinical examination
FACE: parkinsonism, collagen diseases, floppy eyelid
LID
Ectropic area
Medial canthus laxity
Excess skin Horizontal laxity
Lateral canthus laxity
Shrinkage of ant. lamella– scar (trauma, surgery)
Tumour - mass Facial nerve palsy
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sockets• Never do secondary orbital implant
• Enucleation / evisceration MUST
for general ophthalmologist
• Sclera must be opened posteriorly
• Go for 20 mm implant
• Use test sphere and be sure
tenon’s closes without tension
• Consider Fascia Lata or scleral wrap
• Conjuctival much more likely to heal
• Cover orbital implants with antibiotic, anti-inflammatory, analgesia+++ and pressure dressing
• Conformers only if conjuctiva prolapses after dressing pressure removed
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7 P’s • Pain
• Progression
• Past medical history
•Proptosis
•Periorbital changes
• Palpation
• Pulsation
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Pain – Progression of disease
• rapid (hours- days)hemorhage
• intermediate(weeks -months)
• inflammation – infection
• slow (months - years) inflammatory process
• inflammation
• infection
• hemorhage
• nerve or bone involvement from tumour growth
History of initiation
photo
painCharacteristics of progression
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detailed history
Gender
age
Previous history
Neoplasia elsewhere
surgery
Facial trauma
Genetic abnormalities
Systemic diseases
drugs
allergiesprofession
Smoke alcohol
Family history
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Proptosis
Differential diagnosis in proptosis
or bulbar displacement
CAUSES
TREATMENT
history
physical examination
CT scan Biopsy
>18mm ( asian)>20mm ( caucasian)
>22mm ( black)
Αsymmetria of both sides difference >2mmChanges in time
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displacement
Non axial proptosis
enophthalmosBulbar ptosis
Axial proptosis
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small eye ball• congenital (microphthalmos, nanophthalmos)• acquired ( bulbar phthisis)
abnormal architecture of orbital wall (congenital – post-traumatic )
Orbital atrophy• Congenital
• trauma
• radiotherapy
• scleroderma cicatricial orbital changes- metastatic cicatricial carcinoma- chronic sclerotic orbital inflammation
enophthalmos
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Non axial displacement
(right eye)
maxillary sinus carcinoma
Orbital fat
Lymphoid tumor
Benign mixed tumor
lacrimal gland
Lacrimal gland
benign mixed tumour lymphoid tumor
Frontal sinus
mucocele
trauma
encephalocele
Orbital roof
sphenoidal meningioma
Ethmoidal sinus
carcinomamucocele
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enlargement of extraocular
muscles
• thyroid orbitopathy
intraconal mass
• Cavernous hemangioma
optic nerve tumor
• Optic nerve meningioma
• glioma
axial dispacement
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anterior segmentorbit
• periorbital edema
lid
• Lid edema
• Eyelid tumour
conj
• Conjuctival edema
• Conjuctival ‘salmon patch’
cornea
• Dry keratoconjuctivitis
• Limbal keratoconjuctivitis (S.L.K)
• Dry eyes
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eyelids
lid position retraction
(retraction / scleral show)
edema - echymosis
Lid lag
temporal flare
ptosis
• height, marginal reflex distance
• Intrapalpebral distance
• Skin crease
• Levator function
• Bell’s phenomenon, jaw winking
• pseudoptosis
S- shaped dysmorphy
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Extraocular muscles
ophthalmoplegia
limitation -neurological
diplopia
Hess Chart
Cover -uncover
Test
Ocular movements
Forced duction test
Intraocular pressure
difference(6mmHg)
Away from action field of involved muscle
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Optic nerve
Visual acuity
Marcus Gunn pupil
appearance
( Colour, Contour,
Cup)
fundoscopy
C o l o u r v i s i o nred colour
desaturation
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Thyroid orbitopathy
• Soft tissues
• Lid retraction
• proptosis • Optic neuropathy
• ophthalmoplegia
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Cosmetic surgeryBlepharoplasty• Upper lid• Respect lid crease minimum of 9mm from
lid margin and do not overdo skin excision
• do pinch test
• General rule leave minimum 18 mm skin between lid margin and brow
• Taking fat straight forward done with care –• bleeders will retract into the orbit • patients can rarely be blinded by fat excision
and this has to be discussed with the patients pre op
• Lower lid• Leave it to experts
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ΣΑΣ ΕΥΧΑΡΙΣΤΩ ΘΕΡΜΑ