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Zorluk: OrtaPreventive Care and Screening

A 68-year-old woman is evaluated in the outpatient clinic for an annual preventive care visit. Her medical history includes primary hypertension, diet-controlled type 2 diabetes mellitus, and osteoarthritis of the right knee. Her current medications are amlodipine and as-needed ibuprofen. The patient is a lifetime nonsmoker and occasionally drinks wine with dinner.

Review of her preventive screening records shows a normal screening colonoscopy at age 65 and a normal bilateral mammogram 3 months ago. Bone densitometry performed at age 65 revealed a T-score of -1.1 at the lumbar spine. Recent laboratory studies show a hemoglobin A1c of 6.2% and a well-controlled lipid profile. Her vaccination history indicates she received the annual influenza vaccine recently, a Tdap booster 4 years ago, and completed the two-dose recombinant zoster vaccination series at age 65. She has never received a pneumococcal vaccination.

Vital signs today are within normal limits. Physical examination reveals crepitus in the right knee but is otherwise unremarkable.

Which of the following is the most appropriate next step in the preventive care of this patient?

  1. A
    Order a screening abdominal ultrasound
  2. B
    Order carotid artery duplex ultrasonography
  3. Administer the 20-valent pneumococcal conjugate vaccine (PCV20)Cevap
  4. D
    Administer the 23-valent pneumococcal polysaccharide vaccine (PPSV23)
  5. E
    Repeat the dual-energy x-ray absorptiometry (DEXA) scan

Cevap

Administer the 20-valent pneumococcal conjugate vaccine (PCV20)
The patient is a 68-year-old woman who has never received a pneumococcal vaccine. According to the Advisory Committee on Immunization Practices (ACIP), adults aged 65 years and older who have not previously received a pneumococcal conjugate vaccine, or whose vaccination history is unknown, should receive either a single dose of the 20-valent pneumococcal conjugate vaccine (PCV20) or a single dose of the 15-valent pneumococcal conjugate vaccine (PCV15) followed by a dose of the 23-valent pneumococcal polysaccharide vaccine (PPSV23) at least one year later. Therefore, administering a single dose of PCV20 is an appropriate and guideline-concordant next step for this patient's preventive care.

Adım Adım Çözüm

1
Identify the patient's age and vaccination history.
The patient is a 68-year-old adult who is pneumococcal vaccine-naïve.
Age 65 and older is a primary indication for routine pneumococcal vaccination regardless of underlying comorbidities.
2
Determine the appropriate pneumococcal vaccine regimen for this patient based on current ACIP guidelines.
The indicated regimen is a single dose of PCV20, or a dose of PCV15 followed by PPSV23 one year later.
Current guidelines have shifted away from using PPSV23 alone as the initial vaccine, favoring the broader coverage of the newer conjugate vaccines.
3
Evaluate the alternative preventive care options provided to rule out unnecessary interventions.
Abdominal ultrasound, carotid ultrasonography, and repeat DEXA scan are not indicated based on the patient's sex, smoking history, and prior normal screening results.
Adhering to evidence-based USPSTF guidelines prevents overdiagnosis and the harms of unnecessary testing.

Anahtar Kavram

Adults aged 65 and older without a history of pneumococcal vaccination should receive a single dose of the 20-valent pneumococcal conjugate vaccine (PCV20) or the 15-valent conjugate vaccine (PCV15) followed by the 23-valent polysaccharide vaccine (PPSV23).
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Preventive Care and Screening

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