Lecture 2: Preoperative Assessment of the Patient with Cancer AL Flashcards
TEST BANK ?s
TEST BANK ?s
Treatments:
surgery
chemotherapy
radiation therapy
Toxicities and adverse effects that have the potential to affect nearly every ?
Treatments:
surgery
chemotherapy
radiation therapy
Toxicities and adverse effects that have the potential to affect nearly every organ system.
Adverse effects: Bleomycin***
Pulm. HTN, pulm. fibrosis
Adverse effects: Cisplatin***
Dysrhythmias mg wasting mucositis ototoxicity p. neuropathy SIADH renal tubular necrosis thromboembolism
Adverse effects: Cyclophosphamide (Cytoxan)***
Encephalopathy/delirium hemorrhagic cystitis myelosuppression pericarditis pericardial effusion SIADH pulm. fibrosis
Adverse effects: Doxorubicin (Adriamycin)***
Cardiomyopathy
myelosuppression
Adverse effects: Fluorouracil***
Acute cerebellar ataxia ischemic and nonischemic EKG changes Chest pain gastritis myelosuppression
Adverse effects: Methotrexate***
Encephalopathy hepatic dysfunction mucositis platelet dysfunction hypersensitivity pneumonitis renal failure myelosuppression
Adverse effects: Tamoxifen***
Thromboembolism
Adverse effects: Vincristine***
autonomic dysfunction myocardial ischemia p. neuropathy bronchospasm SIADH
Adverse effects: Radiation therapy
**Review Table 28.3, Slide 10!
Sinusoidal obstruction syndrome -> severe liver failure
Review Table 28.3, Slide 10!
Preoperative Assessment: History and comorbidities
malignancy in the head or neck ->?
mediastinal masses obstructing great vessels
• dyspnea, dysphagia, stridor, wheezing, coughing→?
• compression of SVC→?
Preop testing: a lot of tests
Anesthestic concerns:
Preoperative Assessment: History and comorbidities
malignancy in the head or neck
• airway exam and possible need for tracheostomy
• Recurrent laryngeal n. damage
mediastinal masses obstructing great vessels
• dyspnea, dysphagia, stridor, wheezing, coughing→ recumbent pos.
• compression of SVC→JVD, facial, chest, neck, upper ext edema
Airway Assessment:
- tracheal deviation or compression
- SOB
- difficulty breathing (sign of airway obstruction)
- dysphagia
- Preop airway assessment, cervical ROM, cervical X-ray, ENT consult
***SVC Comp Syndrome + Tracheal Comp = ?
***SVC Comp Syndrome + Tracheal Comp = Superior Mediastinal Syndrome
Airway: radiation to head and neck→ ?
radiation to head and neck→ permanent tissue fibrosis • carotid artery ds • hypothyroidism • difficult ventilation • difficult intubation *May not be recognized on physical exam
Slide 16: just read through
Slide 16: just read through
Preoperative Assessment: Functional status
chemo and radiation take a toll on patient
• Assess __________ status→ ________ tolerance
Preoperative Assessment: Functional status
chemo and radiation take a toll on patient
• Assess functional status→ exercise tolerance
Preoperative Assessment: Geriatrics
Greater comorbidities, frailty, polypharmacy
• risk of ?
• “Chemobrain” = ?
Preoperative Assessment: Geriatrics
Greater comorbidities, frailty, polypharmacy
• risk of delirium
• “Chemobrain”—chemo-induced cognitive dysfunction
- doc preop!
Preoperative Assessment: Education and prevention management of ? exercise routine \_\_\_\_ to surgery • improves ? • “prehabilitation” • tobacco cessation
Preoperative Assessment: Education and prevention
management of comorbidities
exercise routine prior to surgery
• improves surgical recovery and improves overall survivorship
• “prehabilitation”
• tobacco cessation
Preoperative Assessment: Previous Cancer treatments
Prior cancer treatment and dates
• long-term _________
• acute _________
Preoperative Assessment: Previous Cancer treatments
Prior cancer treatment and dates
• long-term side effects
• acute side effects
Preoperative Assessment: CV system
• HR, pulse, and carotid arteries
If bruits are present→___________
• if severe stenosis and large intraop fluid shifts are expected, then ___________ is considered.
• mild stenosis→ _______________ therapy
Significant fatigue and loss of functional status
• echo ordered and results are WNL? ___________
• thoughts? ___________
• Cardiac stress testing might be considered (?)
• Lab________
hold breath x 15 sec revascularization pharmacological does NOT mean no concerns deconditioning YES BNP (HF)
Cardiovascular System: Doxorubicin (Adriamycin) ***
• cardiotoxicity may be acute or chronic:
- radiation (mediastinal)→?
- periodic ?
- QT prolongation
- cardiomyopathy
- dysrhythmias
- ischemia-related EKG changes
- HTN (monoclonal antibodies & tyrosine kinase inhibitors) -> Difficult to manage→ ACEIs and CCBs
accelerated CAD, valvular fibrosis, conduction abnormalities
echocardiography
Respiratory System* • Drug? • pulmonary toxicity - pneumonia - pulmonary fibrosis
Tests?
• avoidance of exposure to intraop high conc of ?**
preop admin of?
Respiratory System* • Bleomycin • pulmonary toxicity - pneumonia - pulmonary fibrosis
- baseline and serial pulmonary function testing
- chest radiography
- pleural effusion ?
• avoidance of exposure to intraop high conc of O2**
preop corticosteroids
Respiratory • Pulmonary System - Adenocarcinoma (30-50%)→ history of ? - Large cell – ? - Small cell -\_\_\_\_\_\_\_\_\_\_ weakness? - Pain in ? - Do you have frequent .......? - Do you have X, Y, Z syndromes?
• Pulmonary System
- Adenocarcinoma (30-50%)→ history of blood clots?
- Large cell –gynecomastia?
- Small cell -muscle weakness?
- Pain in hands, fingers, knees, ankles?
- Do you have frequent lung infections or pleural effusions?
- Paraneoplastic syndrome, Eaton Lambert Syndrome, Myasthenia gravis?
Review Table 28.4 Slide 26!
Review Table 28.4 Slide 26!
Renal System
cisplatin*, high-dose methotrexate
• ______ insuff → usually resolves with ________ of tx
cyclophosphamide* • \_\_\_\_\_ • \_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_ • Medication concerns:\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_ • Renal labs?
• tumor cell lysis?
Renal System
cisplatin*, high-dose methotrexate
• renal insuff → usually resolves with cessation of tx
cyclophosphamide* • SIADH • inhibit pseudocholinesterase • Medication concerns: Mivacurium • Renal labs: BUN, Cr, GFR
• tumor cell lysis
- radiation & chemo -> increase uric acid, Phos, K
Hematologic System • \_\_\_\_suppression • nadir? • CA produces \_\_\_\_\_\_\_\_\_\_\_\_\_\_ state - \_\_\_\_\_\_\_\_\_\_\_\_\_\_\_ events are increased six-fold in pts w/CA
Hematologic System • myelosuppression • nadir: RBCs, WBCs, Plts • CA produces hypercoagulable state • thromboembolic events are increased six-fold in pts w/CA
Hematologic—preoperative questions?
Bruising/bleeding Clots (Hx) Transfusions/anemia Chemo (last) Prone to infections?
Neurological System
• __________—virtually all patients experience paresthesias
- peripheral neuropathy
- encephalopathy
- ______________-induced neuromuscular toxicity (_____________ 60-100mg/day)
- radiation + methotrexate→?
Neurological System
• vincristine—virtually all patients experience paresthesias
- peripheral neuropathy
- encephalopathy
- corticosteroid-induced neuromuscular toxicity (prednisone 60-100mg/day)
- radiation + methotrexate→ irreversible dementia
Neurological—preoperative questions?
Numb/tingling MS agents on in the past Muscle weakness EL or MG?
GI System
Almost all ______ and _______ produce GI SEs: ?
___________, __________, __________
• *nutritional supplementation via enteral or parenteral routes improves surgical outcomes
radiation→ ?
• *? syndrome
• *reactivation of ?
GI System
Almost all chemo and radiation produce GI SEs.
• mucositis
• n/v
• diarrhea
e’lyte imbalances, dehydration, malnutrition
• *nutritional supplementation via enteral or parenteral routes improves surgical outcomes
radiation→ stenotic lesions throughout the GI tract
• *Sinusoidal obstruction syndrome
• *reactivation of Hep B
GI—preoperative questions?
nutritional status
have you been on hyperalimentation?
have you ever had a central line?
difficulty swallowing
Endocrine System
*Steroids are frequently used
• Addition to chemotherapy regimen→ ?
• Might unmask undiagnosed diabetes…..Lab?
• Might make known ________more difficult to treat
• Increases risk of ________ insufficiency
(suppression of ?)
Radiation to neck head might alter thyroid function
• Concerns?
*Steroids are frequently used
• Addition to chemotherapy regimen→
-reduce inflammation
-reduce n/v
-boost appetite
• Might unmask undiagnosed diabetes…..Lab? A1C
• Might make known diabetes more difficult to treat
• Increases risk of adrenal insufficiency (suppression of hypothalamic-pituitary-adrenal axis)
Radiation to neck head might alter thyroid function
• Concerns? Prior steroid use?
Endocrine—preoperative questions?
Have you been taking steroids?
Do you have a hx of diabetes?
Glance over table 28.5 Slide 37
Preanesthetic evaluation of the CA patient
Glance over table 28.5 Slide 37
Preanesthetic evaluation of the CA patient
Slide 38: multi hit hypothesis for cancer deconditioning
Slide 38: multi hit hypothesis for cancer deconditioning
Preoperative
Correction of?
- Nutrient deficiencies
- Electrolyte abnormalities
- Anemia
- Coagulopathies
- Steroid replacement
Cancer Laboratory & Tests: review •Hematocrit -> Anemia •Platelet Count -> Thrombocytopenia •WBC count •Neutropenia •Liver function •PT/ PTT/ INR (coag studies) •BNP •CXR •12-lead ECG •Renal function-BUN/Creatinine clearance •Electrolytes -Ca++hypercalcemia due to bone mets and osteolytic activity. -K+, Na++, Ca++, Mg •Blood glucose •ABGs •ECHO •PFTs
Cancer Laboratory & Tests •Hematocrit -> Anemia •Platelet Count -> Thrombocytopenia •WBC count •Neutropenia •Liver function •PT/ PTT/ INR (coag studies) •BNP •CXR •12-lead ECG •Renal function-BUN/Creatinine clearance •Electrolytes -Ca++hypercalcemia due to bone mets and osteolytic activity. -K+, Na++, Ca++, Mg •Blood glucose •ABGs •ECHO •PFTs
Cancer Laboratory & Tests: review
❑Chest Xray: tracheal deviation or compression, masses, aortic aneurysm, fractures (ribs, clavicle, vertebrae), cardiomegaly, pulmonary edema, pneumonia, atelectasis, chronic disease
Cancer Laboratory & Tests:
❑Chest Xray: tracheal deviation or compression, masses, aortic aneurysm, fractures (ribs, clavicle, vertebrae), cardiomegaly, pulmonary edema, pneumonia, atelectasis, chronic disease
Cancer Laboratory & Tests: review
❑EKG-Abnormalities that will alter anesthetic plan include: Afib, Aflutter, Heart Blocks, ST-T segment changes indicating ischemia, infarct or recent PE, PV & PACs, LVH, RVH, WPW, prolonged QTI or shortened PRI, peaked T waves
Cancer Laboratory & Tests:
❑EKG-Abnormalities that will alter anesthetic plan include: Afib, Aflutter, Heart Blocks, ST-T segment changes indicating ischemia, infarct or recent PE, PV & PACs, LVH, RVH, WPW, prolonged QTI or shortened PRI, peaked T waves
Oncologic Emergencies
• spinal cord compression->
Oncologic Emergencies
• spinal cord compression—urinary or bowel incontinence, peripheral neuropathies, gait disturbances
Oncologic Emergencies
• Cardiac tamponade—>
Oncologic Emergencies
• Cardiac tamponade—muffled heart tones, elevated JVD, distended neck veins, progressive dyspnea
Oncologic Emergencies
• Neutropenia sepsis—>
Oncologic Emergencies
• Neutropenia sepsis—may present with low-grade fever or none, cough, arthralgia
Oncologic Emergencies
• CNS metastasis—>
Oncologic Emergencies
• CNS metastasis—headaches, visual disturbances, balance and gait disturbances, confusion, n/v
Oncologic Emergencies
• Tumor lysis syndrome—>
Oncologic Emergencies
• Tumor lysis syndrome—elevated uric acid, K+, & phos levels. Most often seen 12-72 hours post chemo tx for hematologic malignancy
Oncologic Emergencies
• SVC syndrome—>
Oncologic Emergencies
• SVC syndrome—obstruction of SVC (swelling of hands, neck face, dyspnea, cough)