tuberculosis - centurion university
TRANSCRIPT
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TUBERCULOSIS
Mr. Mahesh
Chand
Nursing Tutor
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INTRODUCTION Tuberculosis is a worldwide
public health problem
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Cont.. INTRODUCTION
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Cont.. INTRODUCTION
An estimated 8- 9 million
cases per year and
approximately 2 million die
annually.
Everyday 5000 people
develop the disease. India is
the highest TB burden country
in the world.
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Cont.. INTRODUCTION
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MEANING
Tuberculosis (TB) is an
infectious disease that
primarily affects the lung
parenchyma .
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Cont.. MEANINGIt also may be transmitted to
other parts of the body,
including the
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Cont.. MEANINGThe primary infectious agent,
Mycobacterium tuberculosis,
is an acid fast aerobic rod that
grows slowly and is sensitive
to heat and ultraviolet light.
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TRANSMISSION
TB spreads from person to
person by airborne
transmission
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Cony.. TRANSMISSIONAn infected person releasesdroplet nuclei
( usually particles 1 to 5 μmin diameter) through talking,coughing, sneezing,laughing, or singing
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RISK FACTORS
Close contact with
someone who has active
TB
Immunocompromised
status
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Cont.. RISK FATCORS
Substance abuse
Any person without
adequate health care
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Cont.. RISK FACTORSPreexisting medical conditions
or special treatment
Immigration from countries
with a high prevalence of TB
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Cont.. RISK FACTORSInstitutionalization
Living in overcrowded,
substandard housing
Being a health worker
performing high risk activities
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PATHOPHYSIOLOGY
Due to etiological factors
Exposure to the source
no
infection
50%
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Cont.. PATHOTHYSIOLOGY
Bacteria reaches lung and
enters macrophages( 20-25%)
After cell immune system is
activated, granuloma is
formed from the alveolar
macrophages to prevent
further infection
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Cont.. PATHOPHYSIOLOGY
Bacteria
ceases to
grow
lesions
calcifies
(95%)
Lesion
s
liquefie
s
Bacteri
a
coughe
d up in
the
sputum
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Cont.. PATHOPHYSIOLOGY
Immune
suppresses and
reactivation
Spreads to
blood organs
and death
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STAGES OF TUBERCULOSISPrimary disease
Immune system does not
control primary infection
Patient often have non
specific signs and symptom's
Non productive cough
develops and diagnosis may
be difficult
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Cont.. STAGES Primary progressive disease
Cough becomes productive
More signs and symptoms
appears
Diagnosis shows TB on chest
x rays and sputum culture
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Cont.. STAGESLatent disease
Mycobacterium persist in thebody
No sign and symptoms occur
Patient are susceptible forreactivation of disease
Granuloma lesion becomescalcify and fibrotic andappears on chest x rays
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CLINICAL MANIFESTATIONLow grade fever
Cough( may be productive or
nonproductive)
Night sweat
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Cont.. CLINICAL MANIFESTATIONFatigue
Weight loss
Hemoptysis also may occur
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Cont.. CLINICAL MANIFESTATIONAnorexia
Finger clubbing, a late sign of
poor oxygenation, may occur
The inflamed parenchyma
may cause pleuritic chest pain
Dyspnea
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DIAGNOSISHistory and physical
examination
Tuberculin skin test
Chest x –ray
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Cont.. DIAGNOSISAcid fast bacilli smear
Sputum culture
qunatiFERON-TB test
bacteriologic studies
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TREATMENTPulmonary TB is treatedprimarily with anti-tuberculosisagents for 6 to 12 months.
BCG vaccine is given at birth toprevent it.
The continuing and increasingresistance of M. tuberculosis toTB is a worldwide concern andchallenge
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Cont.. TREATMENTPrimary drug resistance:
Resistance to one of the first
line anti-tuberculosis agents
in people who have not had
previous treatment
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Cont.. TREATMENTSecondary drug
resistance: Drug resistance
to one or more anti-
tuberculosis agents in
patients undergoing therapy
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Cont.. TREATMENTMulti drug resistance(MDR):
Resistance to two agents,
Isoniazid and rifampin
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JOURNAL STUDYDevelopment of a
new tuberculosis vaccine: is
there value in the mucosal
approach
Effective prophylactic
vaccination remains the key
long-term strategy for
combating TB.
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Cont.. JOURNAL It is also based on theassumption, that the failure ofrecent human vaccine trialscould have been due to asuboptimal vaccine design anddelivery, and focuses on themost recent advances in thefield of mucosal TB vaccinedevelopment, with a specificemphasis on subunit TBvaccines.
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Cont.. TREATMENTDOTS( DIRECTLY
OBSERVED THERAPY)
Involves providing
antitubercolous drug directly
to the patient and watching
as he or she swallows the
medications
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Cont.. TREATMENTFirst line drugs:
isoniazid(INH), rifampin,
ethanbutol, pyrazinamide ( if
pyrazinamide cannot be
included in the initial phase
due to liver disease, it can be
given later)
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Cont.. TREATMENTSecond line drugs:
cycloserine , ethionamide,
streptomycin capreomycin
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Cont.. TREATMENT
DRUG THERAPY REGIMEN
Initial phase : 4 drugs consist
of INH, rifampin,
pyrazinamide, ethanbutol for 4
months
Continuation phase: INH,
rifampin for 2 months
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COMPLICATIONS
Miliary TB
Pleural effusion and
empyema
TB pneumonia
Other organs involvement
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NURSING MANAGEMENET
Promoting airway clearance
Advocating adherence to
treatment regimen
Promoting activity and
adequate nutrition
Preventing spreading of
tuberculosis infection
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SUMMARY
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QUESTION
Define tuberculosis
List major risk factors oftuberculosis
Classify the stages oftuberculosis
What is the treatment oftuberculosis?
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MCQ1. BCG vaccine is used to
prevent
a. Cholera
b. Tetanus
c. Typhoid
d. Tuberculosis
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Cont.. MCQ
2. Mode of transmission of
tuberculosis is
a. Direct contact
b. Inhalation
c. Ingestion
d. Sexual contact
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ASSIGNMENTA client came with the history
of fever, cough since 1 week,
weakness, anorexia,
dyspnea, weight loss; he was
diagnosed with active
tuberculosis. Write 5 care
plans for this client according
to the priority.
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SL
NO
CRETERIA MARKS
ALLOTED
1 List down 5 nursing
diagnosis
3
2 Objectives 2
3 Plan of action 3
4 outcome 2
5 Total 10
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REFERENCEJOURNAL
GR Diogo, R. R. (2014(
september)). Development of
new tuberculosis vaccine:is
there value in the mucosal
approach. Journal of
Immunotherapy.
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Cont.. REFERENCEBOOKS
Chintamani. (2011). Medical
Surgical Nursing. Elsevier.
3. S Suzanne, B. B.
(2011). Textbook of Medical
Surgical Nursing. Wolters
kluwer.
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Cont.. REFERENCE
INTERNET
www. Pubmedcentral.com
www. Wikipedia (more)
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