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Pharmacotherapy Review and Recertification Course: Complex Pneumonia Case Marc H. Scheetz, Pharm.D., BCPS (AQ-ID), FCCP, M.Sc. Professor of Pharmacy Practice and Pharmacology Director of Pharmacometrics Center for Excellence Midwestern University, Downers Grove, Illinois Chicago College of Pharmacy and Graduate Studies Infectious Diseases Pharmacist, Northwestern Medicine Chicago, Illinois Learning Objectives: At the conclusion of this session, given a patient case, the participant should be able to • Select the appropriate treatment and monitoring for a complex patient-case with multiple conditions, including pneumonia, acute renal insufficiency, sepsis, chronic obstructive pulmonary disease (COPD) and dehydration. • Interpret clinical data, including lab, physical examination and vital signs. • Determine and prioritize pneumonia-related treatment goals. • Determine approaches to manage drug allergies and select next best drug therapy when primary drugs are precluded • Discuss approaches to limiting antimicrobial over use by stewarding antibiotic usage appropriately • Discuss safety issues in patients receiving treatment for pneumonia. Format: Today’s session will be a highly interactive discussion of the attached case studies. Premise: Participants in this course are pharmacists who practice in clinical acute care settings. You are responsible for evaluating and monitoring the patient’s therapy. You are responsible for providing comprehensive patient management and education. _________________________________________________________________________________________________________ ©2018 American Society of Health-System Pharmacists, Inc. All rights reserved. 1 CASE Date: Dec 2018 Initials DOB/Age Sex Race/Ethnicity Source AB 74 yo F African Patient and medical American records CC/HPI (including symptom analysis for CC): “I can’t breathe!” AB with a PMH of COPD presented worsening shortness of breath and has been on your general medicine floor for 2.5 days. Two weeks prior to today’s admission, she presented to your emergency department (ED) with hypoxia and dehydration. She was initially started on intravenous levofloxacin, although she was later found to have H3N2 influenza A and treated with oseltamivir 75 mg orally every 12 hours. She returned to her baseline state of health and was discharged home 3 days ago with a prescription for an additional 3 days of oseltamivir. On the day of discharge the patient displayed the following vital signs. BP= 137/97 mm Hg Pulse= 64 bpm, regular R=16/min T=98.2°F (oral) Because she noticed increased production of thick, yellow sputum and used her albuterol inhaler five times in rapid succession, she presented to the ED again. Vitals signs on presentation were: BP= 135/85 mm Hg, T= 99.9°F. Her O saturation was 88% on room air, so she was placed on 4 L/min of O via nasal cannula Her O 2 2 . 2 saturation improved to 92% with this intervention. The ED physician admitted her to the general medicine floor for a COPD exacerbation. AB’s breathing gets progressively worse 2.5 days after admission. Past Medical History (major illnesses and surgeries) HTN x 30 years Dyslipidemia x 23 years Chronic Obstructive Pulmonary Disease (x 5 years) Osteoarthritis (knees, uses walker) 2 Obesity (BMI = 30 kg/m ) Osteopenia Current Prescription/OTC Medications Start Date Drug Name/Strength/Regimen Indication 3/2015 Hydrochlorothiazide 50 mg orally daily HTN 1/2017 Lisinopril 20 mg orally daily HTN 2/2010 Pravastatin 20 mg orally daily Dyslipidemia 2/2014 Tiotropium 18 mcg/cap, 1 cap inhaled daily COPD 2/2014 Albuterol 90 mcg per puff, 1-2 puffs every 4- Shortness of breath 6 hours prn 4/2016 Acetaminophen 500 mg po three times daily Pain prn 10/2016 Calcium 600 mg + Vitamin D 400 units po Osteopenia twice daily Vaccinations: Influenza vaccine fall 2017 (missed Preventative medicine vaccination this year) Pneumococcal polysaccharide vaccine (age 67) Preventative medicine _________________________________________________________________________________________________________ ©2018 American Society of Health-System Pharmacists, Inc. All rights reserved. 2 Objective Data (observations/vital signs/physical examination/labs) Physical Exam (on general medicine floor). General: Obese, moderate respiratory distress HEENT: Pursed lips with exhalation. Normocephalic. Pupils equally reactive to light and accommodation. No lymphadenopathy. Neck supple. Lungs: Tachypneic, increased respiratory effort, prolonged expirations with end-expiratory wheezing, decreased air movement, inspiratory crackles at the left lower lung base. CV: Tachycardia, regular rhythm, no murmurs/rubs/gallops, no jugular venous distension > 10 cm, warm extremities with < 2 second capillary refill. Abd: normal active bowel sounds, no abdominal tenderness to palpation, no distension Ext: No lower extremity edema. Neuro/Psych: A + O x 3, lethargic but arousable Vital Signs BP= 105/65 mm Hg Pulse= 95 bpm R=28 T=101.4°F (oral) Height = 5’ 5” Weight = 180 lb BMI = 30 kg/m2 ECG = sinus tachycardia Laboratory Tests (measured today) ABG (room air): pH=7.32 / PaCO =60 / PaO = 67 / O sat=87% 2 2 2 9 CBC with Differential: WBC = 16 X 10 /L (85% neutrophils), Hgb = 13.1 g/dL, Platelets = 365K Na = 139 mEq/L K = 4.5 mEq/L Cl = 99 mEq/L CO = 27 mmol/L BUN = 37 mg/dL Cr = 1.2 mg/dL 3 Glucose = 107 mg/dL AST = 22 units/L ALT = 44 units/L Blood culture: pending Respiratory culture: pending Urinary Legionella antigen: negative Radiology: CXR: Hyperexpanded lungs, mild cardiomegaly. Consolidation in left lower lobe concerning for pneumonia. _________________________________________________________________________________________________________ ©2018 American Society of Health-System Pharmacists, Inc. All rights reserved. 3 Presentation Questions Dehydration 1. AB progressively deteriorates and is transferred to the medical intensive care unit for maintenance of hemodynamic stability and intubation. Which of the following is an appropriate initial fluid regimen? a. Lactated Ringers at 125 mL/hr over 24 hours b. Lactated Ringers 1000 mL infused over 30 minutes c. D5W 1000 mL infused over 30 minutes d. Albumin 25 g (100 mL of 25% solution) infused over 24 hours Healthcare-Associated Pneumonia and Sepsis 2. If AB is ventilated while transferring from the general medicine floor to the intensive care unit, which of the following would represent her pneumonia diagnosis? a. Community Acquired Pneumonia (CAP) b. Health Care Associated Pneumonia (HCAP) c. Ventilator Associated Pneumonia (VAP) d. Hospital acquired Pneumonia (HAP) COPD 3. Which of the following risk factors predisposes AB to pneumonia with Gram-positive and Gram- negative multidrug-resistant pathogens? a. Five-year history of COPD b. Status as a retired nurse c. Post influenza infection d. Recent intravenous antibiotics Hospital Acquired Pneumonia and Sepsis 4. In addition to fluid status correction and vasopressor initiation, which of the following is the next most important intervention to help AB regain hemodynamic stability? a. Early Ambulation b. Broad-spectrum antibacterial coverage c. Hydrocortisone d. Intravenous immune globulin 5. Which of the following is a guideline-approved, empiric drug regimen to provide coverage for Gram-negative organisms in AB? e. Doripenem 1 g intravenously every 8 hours f. Moxifloxacin 400 mg intravenously once daily + Gentamicin 500 mg intravenously once daily g. Piperacillin-tazobactam 4.5 g intravenously every 6 hours + Gentamicin 500 mg intravenously once daily h. Tigecycline 100 mg intravenously as a loading dose followed by 50 mg intravenously every 12 hours + Moxifloxacin 400 mg intravenously once daily _________________________________________________________________________________________________________ ©2018 American Society of Health-System Pharmacists, Inc. All rights reserved. 4
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