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Which of the following factors is NOT associated with a higher risk of post-surgical complications in obese patients?

A.

Higher risk of respiratory complications due to decreased lung function

B.

Increased risk of cardiovascular events due to strain on the heart

C.

Increased risk of infection due to impaired wound healing

D.

Decreased risk of blood clots due to improved circulation

Answer and Explanation

The Correct Answer is D

A.    Obese patients often have decreased lung function due to reduced chest wall compliance and increased abdominal pressure, which can impair respiratory mechanics. This leads to a higher risk of respiratory complications such as hypoventilation, atelectasis, and pneumonia post-surgery.
 
B.    Obesity places additional strain on the cardiovascular system, increasing the risk of cardiovascular events like hypertension, heart attack, and stroke. This strain is compounded during surgery due to increased cardiac workload and potential fluid shifts.
C.    Obesity impairs wound healing due to several factors, including decreased oxygenation to tissues, impaired immune function, and increased adipose tissue which can create a moist environment conducive to infection. This increases the risk of postoperative infections.
D.    In fact, obesity is associated with an increased risk of blood clots (venous thromboembolism) due to reduced mobility, chronic inflammation, and altered coagulation factors. Obesity does not improve circulation; rather, it often exacerbates venous stasis and clot formation.
 


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Related Questions

Correct Answer is B

Explanation

A. While a slightly elevated hematocrit can be associated with dehydration, it's not as specific as urine specific gravity.
B. This indicates concentrated urine, which is a classic sign of dehydration. Normal urine specific gravity is typically between 1.005 and 1.030.
C. This is a normal creatinine level and does not indicate dehydration.
D. This is within the normal range for sodium.

Correct Answer is C

Explanation

A. While important for overall patient assessment, it's not the most direct way to monitor for a wound infection.
B. Pain can indicate a wound infection, but it's not as specific as directly inspecting the wound.
C. This is the most direct way to assess for early signs of a wound infection. Redness, swelling, warmth, and drainage are classic signs of infection.
D. Important for overall patient care, but not specifically related to wound infection prevention.

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