This document discusses various types of neuralgias, focusing on trigeminal neuralgia. It defines neuralgia as severe pain along a nerve distribution. The main types discussed are trigeminal, paratrigeminal, sphenopalatine, glossopharyngeal, geniculate, occipital and postherpetic neuralgias. Trigeminal neuralgia is described as the most common and involves sudden, severe pain in the trigeminal nerve distribution. Causes, clinical features, investigations, management including pharmacological treatments and surgeries are summarized for each type of neuralgia.
Trigeminal Neuralgia
A neuropathic pain caused when trigger site stimulated by brushing, tilting head and shaving, stress and tiredness, cold and hot water, chewing and swallowing, touching and washing face, light breeze or wind on face etc.
The disease is mostly unilateral and can be treated by medications like Carbazepine, oxycarbamazepine, lamotrigine and phenytoin and gabapentin and surgeries like periferal injection, Glycerol injection in the gasserian Ganglion, periferal neurectomy, Cryotherapy, open or intracranial procedures Gammaknife radiosurgeries.
Fix your appointment at Dr. Sachdeva's Dental Institute, call us at:- +919818894041,01142464041
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Trigeminal Neuralgia
A neuropathic pain caused when trigger site stimulated by brushing, tilting head and shaving, stress and tiredness, cold and hot water, chewing and swallowing, touching and washing face, light breeze or wind on face etc.
The disease is mostly unilateral and can be treated by medications like Carbazepine, oxycarbamazepine, lamotrigine and phenytoin and gabapentin and surgeries like periferal injection, Glycerol injection in the gasserian Ganglion, periferal neurectomy, Cryotherapy, open or intracranial procedures Gammaknife radiosurgeries.
Fix your appointment at Dr. Sachdeva's Dental Institute, call us at:- +919818894041,01142464041
Follow our link:-
Google link:
https://business.google.com/dashboard/l/04970356233769420071
Facebook link for Dental Courses:
https://www.facebook.com/dentalcoursesdelhi/
Facebook link for Dental Treatments:
https://www.facebook.com/sachdevadental/
You tube Link:
https://www.youtube.com/user/drrajatsachdeva
Linkedin link:
https://www.linkedin.com/in/drrajatsachdeva/
Slideshare:
https://www.slideshare.net/drrajatsachdeva
Twitter Page :
https://twitter.com/drrajatsachdeva
Instagram page :
https://www.instagram.com/surgicalmasterrajat/
Practo Profile :
https://www.practo.com/delhi/doctor/dr-rajat-sachdeva-dentist
Blogger Profile :
http://drrajatsachdeva.blogspot.com/
Facial Aesthetics Facebook Page :
https://www.facebook.com/facialaesthetics.delhi
Facial Aesthetics you tube channel :
http://www.youtube.com/channel/UCheM4wF9nWGXJYOmScvsQNw
Pain in facial area may be due to neurologic or vascularcauses as well as can be due to dental origin.
The main causes can be Temporomandibular joint disorders or trigeminal neuralgia.
Trigeminal neuralgia can cause abrupt,searing pain due to nerve irritation or damage.
It causes pain along the course of the nerve all over the face and will mostly be on one side of the face.It is treated with anti convulsant medicines or a series of surgeries.
TMJ pain can be due to tenderness in the temporo mandibular joint.It can be unilateral or bilateral.IT can cause difficulty in chewing and even in speaking.It can also lead to difficulty in opening of mouth due soreness of joint.It is usually surgically treated.
Dr Sachdeva's Dental clinic and Facial aesthetic centre is one of the leading clinics offering treatment for facial pain in Delhi. So hurry up and come book an appointment with us at Dr.Sachdeva’s Dental Institute, Ashok Vihar, Delhi which has state of the art clinic and all the latest and advanced equipments.
To book an appointment contact:
Dr. Rajat Sachdeva
Director & Mentor
Dr Sachdeva’s Dental Aesthetic And Implant Institute
I 101, Ashok Vihar Phase 1, Delhi- 110052
Contact us at
Phone : +919818894041,01142464041
Our Websites:
www.sachdevadentalcare.com
www.dentalimplantindia.co.in
www.dentalclinicindelhi.com
www.dentalcoursesdelhi.com
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BELL'S PALSY IS AN IDIOPATHIC LMN TYPE FACIAL PALSY..THE SEMINAR TELLS YOU OF COURSE OF NERVE..FACIAL MUSCLES THEIR ACTION..HOW TO EXAMINE..THE SEQUELAE OF FACIAL PALSY...LOOK AT IT..
Facial pain is pain felt in any part of the face, including the mouth and eyes.
It’s normally due to an injury or a headache, occasionally facial pain may also be due to neurological or vascular causes, but equally well may be dental in origin.
Pain in facial area may be due to neurologic or vascularcauses as well as can be due to dental origin.
The main causes can be Temporomandibular joint disorders or trigeminal neuralgia.
Trigeminal neuralgia can cause abrupt,searing pain due to nerve irritation or damage.
It causes pain along the course of the nerve all over the face and will mostly be on one side of the face.It is treated with anti convulsant medicines or a series of surgeries.
TMJ pain can be due to tenderness in the temporo mandibular joint.It can be unilateral or bilateral.IT can cause difficulty in chewing and even in speaking.It can also lead to difficulty in opening of mouth due soreness of joint.It is usually surgically treated.
Dr Sachdeva's Dental clinic and Facial aesthetic centre is one of the leading clinics offering treatment for facial pain in Delhi. So hurry up and come book an appointment with us at Dr.Sachdeva’s Dental Institute, Ashok Vihar, Delhi which has state of the art clinic and all the latest and advanced equipments.
To book an appointment contact:
Dr. Rajat Sachdeva
Director & Mentor
Dr Sachdeva’s Dental Aesthetic And Implant Institute
I 101, Ashok Vihar Phase 1, Delhi- 110052
Contact us at
Phone : +919818894041,01142464041
Our Websites:
www.sachdevadentalcare.com
www.dentalimplantindia.co.in
www.dentalclinicindelhi.com
www.dentalcoursesdelhi.com
Facebook- dentalcoursesdelhi
Youtube- drrajatsachdeva
Linkedin- drrajatsachdeva
Slideshare- Dr Rajat Sachdeva
Twitter Page- drrajatsachdeva
Instagram page- surgicalmasterrajat
BELL'S PALSY IS AN IDIOPATHIC LMN TYPE FACIAL PALSY..THE SEMINAR TELLS YOU OF COURSE OF NERVE..FACIAL MUSCLES THEIR ACTION..HOW TO EXAMINE..THE SEQUELAE OF FACIAL PALSY...LOOK AT IT..
Facial pain is pain felt in any part of the face, including the mouth and eyes.
It’s normally due to an injury or a headache, occasionally facial pain may also be due to neurological or vascular causes, but equally well may be dental in origin.
ARTIFICIAL INTELLIGENCE IN HEALTHCARE.pdfAnujkumaranit
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These simplified slides by Dr. Sidra Arshad present an overview of the non-respiratory functions of the respiratory tract.
Learning objectives:
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Study Resources:
1. Chapter 39, Guyton and Hall Textbook of Medical Physiology, 14th edition
2. Chapter 34, Ganong’s Review of Medical Physiology, 26th edition
3. Chapter 17, Human Physiology by Lauralee Sherwood, 9th edition
4. Non-respiratory functions of the lungs https://academic.oup.com/bjaed/article/13/3/98/278874
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Title: Sense of Smell
Presenter: Dr. Faiza, Assistant Professor of Physiology
Qualifications:
MBBS (Best Graduate, AIMC Lahore)
FCPS Physiology
ICMT, CHPE, DHPE (STMU)
MPH (GC University, Faisalabad)
MBA (Virtual University of Pakistan)
Learning Objectives:
Describe the primary categories of smells and the concept of odor blindness.
Explain the structure and location of the olfactory membrane and mucosa, including the types and roles of cells involved in olfaction.
Describe the pathway and mechanisms of olfactory signal transmission from the olfactory receptors to the brain.
Illustrate the biochemical cascade triggered by odorant binding to olfactory receptors, including the role of G-proteins and second messengers in generating an action potential.
Identify different types of olfactory disorders such as anosmia, hyposmia, hyperosmia, and dysosmia, including their potential causes.
Key Topics:
Olfactory Genes:
3% of the human genome accounts for olfactory genes.
400 genes for odorant receptors.
Olfactory Membrane:
Located in the superior part of the nasal cavity.
Medially: Folds downward along the superior septum.
Laterally: Folds over the superior turbinate and upper surface of the middle turbinate.
Total surface area: 5-10 square centimeters.
Olfactory Mucosa:
Olfactory Cells: Bipolar nerve cells derived from the CNS (100 million), with 4-25 olfactory cilia per cell.
Sustentacular Cells: Produce mucus and maintain ionic and molecular environment.
Basal Cells: Replace worn-out olfactory cells with an average lifespan of 1-2 months.
Bowman’s Gland: Secretes mucus.
Stimulation of Olfactory Cells:
Odorant dissolves in mucus and attaches to receptors on olfactory cilia.
Involves a cascade effect through G-proteins and second messengers, leading to depolarization and action potential generation in the olfactory nerve.
Quality of a Good Odorant:
Small (3-20 Carbon atoms), volatile, water-soluble, and lipid-soluble.
Facilitated by odorant-binding proteins in mucus.
Membrane Potential and Action Potential:
Resting membrane potential: -55mV.
Action potential frequency in the olfactory nerve increases with odorant strength.
Adaptation Towards the Sense of Smell:
Rapid adaptation within the first second, with further slow adaptation.
Psychological adaptation greater than receptor adaptation, involving feedback inhibition from the central nervous system.
Primary Sensations of Smell:
Camphoraceous, Musky, Floral, Pepperminty, Ethereal, Pungent, Putrid.
Odor Detection Threshold:
Examples: Hydrogen sulfide (0.0005 ppm), Methyl-mercaptan (0.002 ppm).
Some toxic substances are odorless at lethal concentrations.
Characteristics of Smell:
Odor blindness for single substances due to lack of appropriate receptor protein.
Behavioral and emotional influences of smell.
Transmission of Olfactory Signals:
From olfactory cells to glomeruli in the olfactory bulb, involving lateral inhibition.
Primitive, less old, and new olfactory systems with different path
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Ozempic: Preoperative Management of Patients on GLP-1 Receptor Agonists Saeid Safari
Preoperative Management of Patients on GLP-1 Receptor Agonists like Ozempic and Semiglutide
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Recomendações da OMS sobre cuidados maternos e neonatais para uma experiência pós-natal positiva.
Em consonância com os ODS – Objetivos do Desenvolvimento Sustentável e a Estratégia Global para a Saúde das Mulheres, Crianças e Adolescentes, e aplicando uma abordagem baseada nos direitos humanos, os esforços de cuidados pós-natais devem expandir-se para além da cobertura e da simples sobrevivência, de modo a incluir cuidados de qualidade.
Estas diretrizes visam melhorar a qualidade dos cuidados pós-natais essenciais e de rotina prestados às mulheres e aos recém-nascidos, com o objetivo final de melhorar a saúde e o bem-estar materno e neonatal.
Uma “experiência pós-natal positiva” é um resultado importante para todas as mulheres que dão à luz e para os seus recém-nascidos, estabelecendo as bases para a melhoria da saúde e do bem-estar a curto e longo prazo. Uma experiência pós-natal positiva é definida como aquela em que as mulheres, pessoas que gestam, os recém-nascidos, os casais, os pais, os cuidadores e as famílias recebem informação consistente, garantia e apoio de profissionais de saúde motivados; e onde um sistema de saúde flexível e com recursos reconheça as necessidades das mulheres e dos bebês e respeite o seu contexto cultural.
Estas diretrizes consolidadas apresentam algumas recomendações novas e já bem fundamentadas sobre cuidados pós-natais de rotina para mulheres e neonatos que recebem cuidados no pós-parto em unidades de saúde ou na comunidade, independentemente dos recursos disponíveis.
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O estabelecimento da amamentação e o manejo das principais intercorrências é contemplada.
Recomendamos muito.
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Esta publicação só está disponível em inglês até o momento.
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www.agostodourado.com
4. TRIGEMINAL NEURALGIA
Trigeminal neuralgia (TN) is sudden,
usually unilateral, severe, brief, stabbing,
recurrent episodes of pain in the
distribution of one or more branches of the
trigeminal nerve.
8. Other disorders that may affect the trigeminal
nerve include :
•
•
•
•
•
•
Neuralgias and neuritis
Syphilis
Tuberculosis
Tumor of the brain
Basilar meningitis
Pontine diseases .
• Skull fracture
• Aneurysm of the carotid
artery or circle of willis
• Psychoneuroses,and
• Cavernous sinus
thrombosis
13. • Pre trigeminal neuralgia: dull aching
pain usually observed before appearance
of trigeminal neuralgia
• Idopathic neuralgia: where the etiology
remains unknown
• Symptomatic neuralgia: the type in
which the etiology is known
14. CLINICAL FEATURES
•
•
•
•
Incidence : 4 in 1,00,000
Age : 4th to 5th decade
Sex : F>M
60% on the right side, 3%
bilateral.
• Mean age of onset-52-58yrs
16. • Manifests as sudden, unilateral,
intermittent, paroxysmal, sharp,
shooting, lancinating pain,
elicited by slight touch.
• Patient usually complains of
electric shock/lightening like
pain
• Usually confined to one part.
• Lasts for few seconds to
minutes.
• Motionless or mask like face.
17. • Rarely crosses the midline.
• Trigger points - Spontaneous attack or
triggered by trigger zone or movement of the
face as in chewing, talking, brushing or
yawning
• This leads patient frequently go unshaven or
unwashed
• Paroxysms occur in cycles.
• Depression and weight loss
18. Trigger zones are usually located on vermillion
border of lip, ala of the nose, cheek, chin, and
around the eye.
19.
20. • There is generally no evidence of sensory
or motor impairment
• Apart from pain the other features are
itching & sensitivity of the face
• Rarely trigeminal neuralgia is associated
with hemi facial spasm- a condition called
TIC CONVULSIF that involves both V &
VII cranial nerves
24. PHARMACOLOGICAL
• FIRST LINE OF APPROACH
Carbamazepine 100, 200mg..
• SECOND LINE OF APPROACH
Phenytoin 100mg
Baclofen 5-80 mg/day
Lamotrigine 25 mg/day
• THIRD LINE OF APPROACH
Clonazepam 4-8 mg
Valproic acid 250-500 mg
Oxcarbazepine 1200mg/day
25. Other methods used are
• Trichloro ethylene inhalation
• Topical capsaicin cream application
• Proparacaine 0.5% anaesthetic drops in eye
• Anti inflammatory drug-Indomethacin & short
courses of steroids are found useful in some
cases
27. SURGICAL
• Stereo tactically controlled thermo coagulation of
V cranial nerve
• Vascular decompression( through posterior
fossa craniotomy)
• Repositioning of the basilar artery( compressing
the V nerve)
• Micro vascular decompression
• Gamma knife radio surgery
• Cryotherapy
28. •
•
•
•
Injection of the nerve with alcohol
Local anaesthetic injection of the nerve
Nerve sectioning & avulsion
Percutaneous radiofrequency trigeminal
neurolysis
• Bulbar trigeminal tractotomy
• Glycerol rhizotomy
34. PARATRIGEMINAL NEURALGIA
• Also called as raeder’s syndrome
• Characaterised by severe headache or pain
in the distribution of trigeminal nerve with
signs of ocular sympathetic paralysis
• Homolateral pain in the head or eye
• Sudden appearance of signs and symptoms
35. • Most common in males
• Generally occurs in middle aged people
• It can be differentiated from horners
syndrome by presence of pain and no
change in sweating activity
36. SPHENOPALATINE NEURALGIA
• Also called as vidian nerve neuralgia or
hortons’s syndrome
• An idiopathic sydrome consisiting of
recurrent brief attack of sudden severe
unilateral periorbital pain.
• Typical periodicity has been attributed to
hypothalamic harmonal influences
37. • Pain is thought to be generated at the level
of pericarotid/ cavernous sinus complex
• Characterized by unilateral paroxysms of
intense pain in the region of the eyes,
maxilla, ear , mastoid, base of the nose, and
beneath the zygoma.
• Sometimes the pain extends intothe occipital
area as well.
38. • The paroxysms of pain hava a rapid onset,
persist for about 15 min, and to several
hours, and then disappears asrapidly as
they begin
• There is no trigger zone
• The attacks develop regularly, usually
atleast once a aday, over a prolonged
period of time
39. • The onset of paroxysm occur exactly in
the same time of the day, and for this
reason, the disease is referred to as
“alarm clock headache”
• Aftersome weaks or months, the trauma
disappears completely and this period of
freedom and may persist for month or
even for years
40. • Sneezing , swelling of nasal mucosa and
severe nasal discharge often appears
simultaneously with the painful attacks as
epiphohra or wattereing of eyes and blood
shoot eyes
• Paraesthestic senstation over the skin of
lower half of the face also are reported
• Men are more effected more commonly than
women (5:1)
41. • Treatment:
• Cocainization of sphenopalatine ganglion
or alcohol injection of this structure
• Resection of ganglion
• Surgical corrections of septal defects
42. GLOSSOPHARYNGEAL NEURALGIA
• It is a pain similar to trigeminal neuralgia
• Not as common as trigeminal neuralgia, but
when it occurs, the pain may be as severe
• The pain is sharp, shooting pain in the ear,
commonly in the nasopharynx, tonsils, posterior
portion of the tongue
• Etiology is unknown
43. • It occurs at any age period without age
predilection
• Numerous mild attacks may be
interspreaded by occassional severe one
• The patient usually has trigger zone in the
posterior oropharynx or tonsillar fossa
44. • Treatment:
• Resection of extra carnial portion of nerve
or intra cranial portion
• Injection of alcohol is not widely accepted
45. GENICULATE NEURALGIA
• Also called as nervous intermedius neuralgia
• It is uncommon paroxysmal neuralgia of
cranial nerve VII
• Characeterized by the pain in ear, anterior
part of tongue and soft palate
• This type of pain has a trigger zone
46. • The location of pain runs alsong the distribution
of neve(external auditory canal, small area of
soft palate, posterior auricular region)
• The pain is not as sharp and intense as
trigeminal neuralgia and often sometimes facial
paralysis, indicating the involvement of motor
root
47. • This pain results commonly from herpes zoster
of geniculate ganglion and nervus intermedius
of cranial nerve vii
• This condition is also referred to as ramsay
hunt syndrome
• Virus vesicles may be observed in the ear
canal or tympanic membrane
• Acyclovir significantly reduces the duration of
pain
48. • Symptoms result from nflammatory neural
degeneration and short course(2 to 3
weks) of high steroid therapy
• Patient may also be treated with
carbamazepine and antidepressants
• Patient may also undergo surgery of
nervous intermidius if he doesn’t respond
to the above medication
49. OCCIPITAL NEURALGIA
• Rare neuralgia in the distribution of the
sensory branches of cervical plexus
• The most common cause are trauma,
neoplasms, infections and aneurysms of
effected nerves
• Palpation below the superior nuchal line
may reveal an exquisitely tender spot
50. • Treatment has included corticosteroids,
neurolysis, avulsion and blocking the
nerve with local anesthetic solution
51. POST HERPETIC NEURALGIA
It is caused by reactivation of varicellazoster virus infection
15-20% of cases of herpes zoster invoule
trigeminal nerve
Majority cases affect ofhthalamic division of
5th nerve
52. Characterized by pain and lesions in the
region of eyes and forehead
Infection of maxiilary and mandibilar
divisions cause facial and oral pain
Pain resolves within month after the lesions
heal
Mostly affects elderly people.
53. Pathogenesis
• The vz virus injures the periphral nerve by
demyelination, wallerian degeneration and
sclerosis
• Atrophy of dorsal horn cells in the spinal
cord
• Patient exhibits painfull response to non
painfull stimuli
54. Clinical features
• Pain paresthesia. Hyperesthasia and
alodynia persists months to years after
zoster lesions have healed
• Pain is accompanied by a sensory deficit
in the region of nerve distrubtion