What is the most common Nosocomial infection acquired by a patient undergoing surgery?

NORCET 5 Prelims - Sept 2023 (Shift-2)

Medical & Surgical Nursing

Medium

Appeared in: NORCET 5 Prelims - Sept 2023 (Shift-2)

Explanation

Surgical Site Infection (SSI) is the most frequent hospital-acquired infection specifically affecting patients who have had a surgical procedure.
SSIs occur when microorganisms contaminate the surgical wound, with incidence rates ranging from 0.5% to 15% depending on the surgery and patient factors.
While other infections like CAUTI and pneumonia are common in hospitals, SSIs are the leading type for the post-surgical population.
Common causative organisms include Staphylococcus aureus, often originating from the patient's own skin flora.

Option A: Systemic Inflammatory Response Syndrome (SIRS) is a widespread inflammatory state of the body. It is a potential complication of a severe infection, but it is not an infection itself.
Option C: Hospital-acquired pneumonia is a serious risk but is most prevalent in specific high-risk groups, such as patients on mechanical ventilators (VAP) or those in the ICU, rather than the entire surgical population.
Option D: Catheter-associated urinary tract infections (CAUTIs) are the most common type of nosocomial infection overall, but within the specific context of patients undergoing surgery, SSIs are more frequent.

Visual 1: Infographic - A pie chart showing the relative prevalence of different nosocomial infections (SSI, CAUTI, VAP, CLABSI) in a typical hospital, with a callout box highlighting that SSI is highest in surgical wards.
Visual 2: Image - A clinical photograph showing the classic signs of a superficial surgical site infection: erythema (redness), edema (swelling), and purulent discharge around sutures.

Clinical Relevance

Nursing practice connection: Use the key finding related to Nosocomial Infections in Surgical Patients to guide bedside assessment, documentation, and the next nursing action.
Nurses are at the forefront of preventing SSIs through meticulous wound care, patient education, and early detection of infectious signs.
Failure to prevent or identify an SSI can lead to serious complications like sepsis, prolonged hospitalization, increased healthcare costs, and poor patient outcomes.
What if? If a surgical patient also has diabetes, their risk for SSI is significantly higher. Nursing care must include vigilant blood glucose monitoring and control (target below 200 mg/dL) in the perioperative period, as hyperglycemia impairs immune function and wound healing.

How to Approach the Question

First, identify the key elements of the question: 'most common', 'Nosocomial infection', and the specific patient population, 'patient undergoing surgery'.
Recognize that 'nosocomial' means hospital-acquired.
Evaluate each option in the context of the specified population. While all options (except SIRS) are types of nosocomial infections, the question asks for the most common one for surgical patients.
Recall or deduce the primary risk associated with surgery. The creation of a surgical incision is the defining event, making infection at that site (SSI) the most direct and common risk.
Differentiate between the most common infection overall (CAUTI) and the most common infection for this specific group (SSI) to select the best answer.

Concept Tested & Keywords

Qc33b0TkRvROz6EY_YUDQO