Thoracic Organ Transplantation Flashcards

1
Q

Primary indication for transplant

A

terminal cardiopulmonary disease with limited life expectancy

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2
Q

Heart transplantations performed as a result of

A
  • coronary artery disease
  • myocardial damage
  • cardiomyopathy
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3
Q

what is cardiomyopathy

A

a disease of the heart muscle that makes it harder for the heart to pump blood to the rest of the body

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4
Q

1 Lung transplantations performed as a result of

A
  • Emphysema & COPD
  • Idiopathic pulmonary fibrosis
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5
Q

Double lung transplant increases survival rate to what

A

to 65 years old

therefore it is reserved for younger pt

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6
Q

Congenital heart disease

A

are present at birth and can affect the structure of a baby’s heart and the way it works

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7
Q

NYHA class III–IV despite maximal therapy such as the following

A
  • Medication
  • Pacing (CRT)
  • Revascularization or valve repair
  • Ventricular remodeling procedure
  • Recurrent hospitalization for heart failure
  • Refractory ischemia and EF <20%
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8
Q

Idiopathic pulmonary fibrosis

A

a condition in which the lungs become scarred and breathing becomes increasingly difficult

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9
Q

Indications for Lung Transplantation

A

COPD
Idiopathic pulmonary fibrosis
Cystic fibrosis
Idiopathic pulmonary arterial hypertension
Sarcoidosis

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10
Q

Sarcoidosis

A

a rare condition that causes small patches of swollen tissue, called granulomas, to develop in the organs of the body

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11
Q

Idiopathic pulmonary arterial hypertension

A

a rare disease characterized by elevated pulmonary artery pressure with no apparent cause

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12
Q

Cystic fibrosis

A

Cystic fibrosis affects the cells that produce mucus, sweat, and digestive juices. It causes these fluids to become thick and sticky. They then plug up tubes, ducts, and passageways.

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13
Q

primary physician who must consider what when thinking of transplant

A

health status of the patient vs the average time spent on the waiting list

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14
Q

transplant center refferals

A

If put on waiting list – must re-evaluate every 6 months for status changes

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15
Q

Tests and Procedures before being put on the weight list

A

Required examination and assessment for transplant candidacy or waitlist placement

lung assessment
cardiac assessment
lab test
bone density scan

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16
Q

Cardiac transplantation Absolute Contraindications

A

Systemic illness with a life expectancy <2 years despite HT

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17
Q

Physical therapist role in the transplant team

A

Exercise tolerance test and exercise prescription Musculoskeletal assessment
Cough/mucociliary clearance

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18
Q

PT and lung transplant candidates need to test what

A

eed to assess efficacy of airway clearance techniques

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19
Q

Primary pulmonary hypertension and exercises

A

Exercise may be contraindicated in patients with primary pulmonary hypertension as it may aggravate the condition

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20
Q

Factors affecting ranking on the transplant list

A

tissue match, blood type, length of time on list, immune status, distance between potential recipient and donor

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21
Q

Status 1A HT days

A

50 days

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22
Q

Status 1B HT days

A

78 days

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23
Q

Status 2 HT days

A

309 days

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24
Q

lung transplant 12 and younger are ranked by what

A

Recipients 12 years or younger are ranked first by ABO blood status

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25
lung transplant older then 12 ranked by what
Other candidates are provided a Lung Allocation Score (LAS) * score from 0 to 100 and are reassessed every 6 months
26
training effects in transplantation candidates
Research supports significant training effects in transplantation candidates
27
Components of rehab for transplant pt include
patient and family education, cardiovascular endurance training, musculoskeletal strength and flexibility training, breathing retraining
28
Goal of Preoperative Rehabilitation
Goal to improve or prevent deteriorations of candidate’s physical condition, improve exercise tolerance
29
what guidelines​ do you use for Preoperative Rehabilitation
hemodynamic guidelines
30
what is the purpsoe of Left ventricular assist device (LVAD)
is used to “bridge” the patient to heart transplant leads to improved performance
31
Preoperative Rehabilitation how much
Most patients are able to participate in exercise 30 to 40 minutes three to five times per week
32
why use ECMO as a Bridge to Transplant
Some pre–lung transplant patients who must avoid or are failing ventilatory support
33
what kind of ECMO is used to bridge to transplant
* Venovenous (VV) ECMO is used for respiratory failure * Venoarterial (VA) ECMO is used for circulatory collapse due to pulmonary hypertension
34
Venovenous (VV) ECMO
is used for respiratory failure
35
Venoarterial (VA) ECMO
is used for circulatory collapse due to pulmonary hypertension
36
Mobility and ECMO PT role
PT supports patient with gait belt and steadies rolling walker
37
Alternatives to Lung Transplantation
Lung volume reduction surgery (LVRS) Noninvasive ventilation or BiPAP
38
Lung volume reduction surgery (LVRS)
* 20% to 30% of volume of each lung is removed * Decreased lung hyperinflation & improve elastic recoil
39
Noninvasive ventilation or BiPAP
* Tightly fitting nasal mask * Delivers positive airway pressure during inspiration and exhalation
40
Noninvasive ventilation or BiPAP used for what kind of pt
Indicated for patients with signs of respiratory failure despite maximal drug and O2 therapy
41
Noninvasive ventilation or BiPAP - when is it normally used
Typically used at night to decrease work of breathing, daytime fatigue and improved sleep
42
Alternatives to Heart Transplantation
- Mechanical Circulatory Support Devices (MCSD) Cardiomyoplasty Intravenous pharmacological management
43
Mechanical Circulatory Support Devices (MCSD) types
Ventricular Assistive Device (VAD) Total Artificial Heart (TAH)
44
Ventricular Assistive Device (VAD)
* Biventricular (BiVAD) * Right Ventricular (RVAD) * Left Ventricular (LVAD) * “Destination VAD”
45
what do Mechanical Circulatory Support Devices allow for the pt
Able to resume ADLs and participate in a cardiac rehabilitation program in preparation for a heart transplantation
46
Cardiomyoplasty
Fatigue-resistant skeletal muscle is wrapped around the patient’s heart/stimulated electrically
47
Intravenous pharmacological management
Becoming more common to manage chronic heart failure in those waiting for transplant
48
Four methods of cardiac transplantation
1. Heterotopic(HHT) 2. Totaltransplantation 3. Biatrial 4. Bicaval
49
Heterotopic Heart Transplantation (HHT othere name
Piggyback
50
Native heart HHT
native heart is not removed
51
in HHT how is the heart connected
Donor heart is connected to the native heart via right/left atria
52
HHT complications
More associated complications
53
Total Heart Transplantation use
not used much
54
Total Heart Transplantation artia of recipient
Complete excision of the recipient atria
55
Total Heart Transplantationrpocedure
omplete atrioventricular transplantation, bicaval and pulmonary venous anastomoses
56
Orthotopic heart transplant
involving excision of the recipient's heart and implantation of a donor's heart in the chest of the recipien
57
Orthotopic Heart Transplantation two techniques
Biatrial technique Bicaval technique
58
Biatrial technique overall
Donor and recipient atrial cuffs sewn together
59
Biatrial technique
leaves recipient SA node intact, which remains functional; donor heart SA is denervated * Two separate P waves will be seen on ECG
60
Bicaval technique
Sewing separate caval anastomoses
61
Bicaval technique popularity
Most popular with less complications
62
Harvest of donor lungs
* Pulmonary veins are detached from heart with cuff of left atrium * Pulmonary arteries are transected * Lungs removed en bloc, divided into separate right and left lungs
63
Procedure for lung transplant - methods
bilateral anterior thoracotomies or transsternal bilateral thoracotomy (clamshell)
64
which lung is removed first in LT
Least functional lung is removed and transplanted first
65
ingle lung transplant— method
posterolateral thoracotomy
66
Acute Complications with transplant
* Acute Rejection * Nonspecific graft failure * Infection * Reperfusion injury
67
Pharmacological Management of transplant
* immunosuppressiveagentsanddrugs targeting side effects of these agents * necessary to prevent rejectionof donor organ
68
Acute rejection due to
Occurswhentheimmunesystemis not adequately suppressed;
69
how to treat acute rejection
* treated with strong doses of immunosuppressive meds
70
Myalgia
muscle aches and pain, which can involve ligaments, tendons and fascia, the soft tissues that connect muscles, bones and organs. Injuries, trauma, overuse, tension, certain drugs and illnesses can all bring about myalgia.
71
signs and Symptoms of Acute Rejection -HT
Low-grade fever Increase in resting blood pressure Hypotension with activity Myalgia Fatigue Decreased exercise tolerance Ventricular dysrhythmias Dyspnea Decreased exercise tolerance Weight gain due to water retention
72
signs and Symptoms of Acute Rejection - LT
Fever over 100°F (38°C) "Flulike" symptoms: chills, aches, headache, dizziness, nausea, and/or vomiting Chest congestion Cough Shortness of breath Decreased exercise tolerance New pain or tenderness around the lung Fatigue or generally feeling "lousy" Decreased exercise tolerance Decrease in FEV1 and FVC
73
Cardiac Changes Post-Heart Transplant - BP
* High risks associated with hypertensive episodes * HTN is of significant concern and must be avoided * Need to consider patient positioning and exercise prescription to reduce HTN episodes from occurring
74
Cardiac denervation occurs​ when
initially occurs following heart transplant; infrequent with isolated lung transplant
75
Cardiac denervation - HHT
donor heart responds in same manner as denervated heart; native heart still innervated, but attention should be on donor heart response
76
for heart transplates when is a good way to measure activity intensity
not HR and use of RPE is better
77
Changes in Pulmonary Status after Heart & Lung Transplant
Maximum O2 uptake and exercise capacity improve significantly, but remain below predicted values
78
what kind of preccaustiosn for median sternotomy and clamshell incisions
sternal precuations
79
The Acute Postoperative Inpatient Phase - PT role
* PT goals are to improve function and QOL, specifically functional abilities in self-care and mobility
80
Postoperative Outpatient Phase - Frequent complications
chronic​ rejection, infection, hypertension, steroid myopathy, osteoporosis...
81
out patient discharge goals
* functional capacity improvement * Achieved planned goals * competent with self-monitoring and independent with home exercise
82
CU PT examination is focused on what
on impaired gas exchange, airway clearance, effects of prolonged static positioning during surgery, pain, mobility restrictions
83
Post-Operative exercise
low to mod intensity, may begin in supine, progress to sit to stand, and ambulation
84
After ICU - PT focus
Focus continues on ventilation and airway clearance for optimal oxygen transport; thoracic mobility, breathing exercise, multiple sessions of mobility training