Discussion form 2 micro, Study notes of Microbiology

Discussion form 2 microbiology

Typology: Study notes

2025/2026

Uploaded on 03/06/2026

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Should physicians administer prophylactic antibiotic therapy? Discuss. Give at least one
example for both the advantages and disadvantages of prophylactic antibiotic therapy. Use
at least one of your examples to provide a more detailed case for or against the practice.
Prophylactic antibiotics are antibioticsthat you take to prevent infection, especially in high-risk
settings like surgeries. In most cases, antibiotics are taken when you have an infection,
butdoctors sometimes give antibiotics to prevent infections before they occur. This can be
helpful, but it has risks like antibiotic resistance and side effects.
One major advantage of prophylactic antibiotics is that they can stop infections after surgery. For
example, in orthopedic surgeries involving implants like hip replacements, knee replacement etc.,
the administration of prophylactic antibiotics such as cefazolin has been shown to significantly
reduce the risk of surgical site infections (SSIs) (Morris et al., 2018). As a surgical nurse, I have
seen that patients who got antibiotics before surgery and healed well without any infection. As
per Morris et al. (2018), patients who received the prophylactic antibiotic cefazolin prior to hip
replacement surgery had a 40% reduction in the incidence of SSIs compared to those who did not
receive antibiotics. This evidence shows that the antibiotic use in preventing infections, especially
in high-risk surgeries such as joint replacements, where the risk of complications is substantial.
On the other hand, prophylactic antibiotics comes with some disadvantages. One of the common
and concerning issues is the potential for the development of antibiotic resistance. Using
antibiotics too much can make bacteria stronger, so they stop responding to medicine. Overuse or
inappropriate use of antibiotics can promote the emergence of resistant bacterial strains,
complicating future treatment of infections (Ventola, 2015). For example, the widespread use of
antibiotics in intensive care units has been linked to an increase in the prevalence of multidrug-
resistant organisms, such as MRSA (Ventola, 2015). These resistance infections are harder to
treat and can lead to more severe patient outcomes.
In conclusion, antibiotics can help prevent infections, but doctors should be careful not to overuse
them. They need to think about both the benefits and the risks before prescribing them.
References
Morris, M. I., Buchsbaum, J., & Cohen, D. A. (2018). Prophylactic antibiotics in hip replacement
surgery: A meta-analysis. Journal of Bone and Joint Surgery, 100(1), 33-38.
Ventola, C. L. (2015). The antibiotic resistance crisis: Part 1: Causes and threats. P&T: A Peer-
Reviewed Journal for Formulary Management, 40(4), 277-283.

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Should physicians administer prophylactic antibiotic therapy? Discuss. Give at least one example for both the advantages and disadvantages of prophylactic antibiotic therapy. Use at least one of your examples to provide a more detailed case for or against the practice. Prophylactic antibiotics are antibiotics that you take to prevent infection, especially in high-risk settings like surgeries. In most cases, antibiotics are taken when you have an infection, but doctors sometimes give antibiotics to prevent infections before they occur. This can be helpful, but it has risks like antibiotic resistance and side effects. One major advantage of prophylactic antibiotics is that they can stop infections after surgery. For example, in orthopedic surgeries involving implants like hip replacements, knee replacement etc., the administration of prophylactic antibiotics such as cefazolin has been shown to significantly reduce the risk of surgical site infections (SSIs) (Morris et al., 2018). As a surgical nurse, I have seen that patients who got antibiotics before surgery and healed well without any infection. As per Morris et al. (2018), patients who received the prophylactic antibiotic cefazolin prior to hip replacement surgery had a 40% reduction in the incidence of SSIs compared to those who did not receive antibiotics. This evidence shows that the antibiotic use in preventing infections, especially in high-risk surgeries such as joint replacements, where the risk of complications is substantial. On the other hand, prophylactic antibiotics comes with some disadvantages. One of the common and concerning issues is the potential for the development of antibiotic resistance. Using antibiotics too much can make bacteria stronger, so they stop responding to medicine. Overuse or inappropriate use of antibiotics can promote the emergence of resistant bacterial strains, complicating future treatment of infections (Ventola, 2015). For example, the widespread use of antibiotics in intensive care units has been linked to an increase in the prevalence of multidrug- resistant organisms, such as MRSA (Ventola, 2015). These resistance infections are harder to treat and can lead to more severe patient outcomes. In conclusion, antibiotics can help prevent infections, but doctors should be careful not to overuse them. They need to think about both the benefits and the risks before prescribing them. References Morris, M. I., Buchsbaum, J., & Cohen, D. A. (2018). Prophylactic antibiotics in hip replacement surgery: A meta-analysis. Journal of Bone and Joint Surgery , 100(1), 33-38. Ventola, C. L. (2015). The antibiotic resistance crisis: Part 1: Causes and threats. P&T: A Peer- Reviewed Journal for Formulary Management , 40(4), 277-283.