5 - Surgical Infection 2024 (Rush Surgery)

What should be given to a patient with a tetanus prone wound who has not yet completed their tetanus vaccination?

Administer tetanus toxoid and immunoglobulin

What should be given to a patient with a tetanus prone wound who has completed their vaccinations but last dose was more than 5 years ago?

Administer tetanus toxoid only

What should be given to a patient with a clean wound who has completed their vaccinations but last dose was more than 10 years ago?

Administer tetanus toxoid only

What should be given to a patient with a clean wound who has not yet completed their tetanus vaccination?

Administer tetanus toxoid only

E. coli

Second most common is Klebsiella pneumoniae

What is the most common etiology of pyogenic liver abscesses?

Encapsulated organism (ex. H. influenzae, N. menigitidis, S. pneumoniae)

Patients also have impaired humoral immunity and are vulnerable for up to 10 years following surgery

What etiologic agents are asplenic patients most vulnerable to post-splenectomy?

Urea breath test

A non-invasive way to determine if there is presence of live H. pylori or not.

What is the best test to assess a patient for eradication H. pylori after treatment?

Bacteroides spp.

What is the most common cause of intraabdominal anaerobic infections?

E. coli

Other agents include: K. pneumoniae. Streptococcal species, including pneumococci and enterococci

What is the most common etiology of spontaneous bacterial peritonitis?

S. aureus

S. epidermidis is second while infections from gram negative bacteria cause more virulent compared to gram positive bacteria

What is the most common etiologic agent of vascular graft infection?

6 weeks

In addition, concern for osteomyelitis is raised in a patient with a swollen foot and a history of foot ulceration, the presence of a “sausage toe” (red, swollen digit), unexplained high WBC count, or inflammatory markers

Osteomyelitis should be suspected in any deep or extensive ulcer overlying any bony prominence and in an ulcer that does not heal in ___ weeks despite appropriate therapy