NURS 6521N Advanced Pharmacology – IBD Prevalence

NURS 6521N Advanced Pharmacology – IBD Prevalence

NURS 6521N Advanced Pharmacology – IBD Prevalence

IBD is most common among people of Northern European and Anglo-Saxon origin and is 2 to 4 times more common among Ashkenazi Jews than non-Jewish whites from the same geographic location. The incidence is lower in central and southern Europe and lower still in South America, Asia, and Africa. However, the incidence is increasing among blacks and Latin Americans living in North America. Both sexes are equally affected. First-degree relatives of patients with IBD have a 4- to 20-fold increased risk; their absolute risk may be as high as 7%. Familial tendency is much higher in Crohn disease than in UC. Several gene mutations conferring a higher risk of (and some possibly related to UC) have been identified.

Cigarette smoking seems to contribute to development or exacerbation of Crohn disease but decreases risk of UC. Appendectomy done to treat appendicitis also appears to lower the risk of UC. NSAIDs may exacerbate IBD. NURS 6521N Advanced Pharmacology – IBD Prevalence. Oral contraceptives may increase the risk of Crohn disease. Some data suggest that perinatal illness and the use of antibiotics in childhood may be associated with an increased risk of IBD.

For unclear reasons, people who have a higher socioeconomic status may have an increased risk of Crohn disease.

There is a genetic predisposition for IBD, and patients with this condition are more prone to the development of malignancy.

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Assignment Details – NURS 6521N Advanced Pharmacology – IBD Prevalence

For this Assignment, you are going to write a paper explaining how you developed your theory through the four stages (theorizing, syntax, theory testing, and evaluation). Your paper must be 3 to 5 pages, not including the title and reference pages.

To view the Grading Rubric for this Assignment, please visit the Grading Rubrics section of the Course Resources.

Assignment Requirements

Before finalizing your work, you should:

• Minimum requirement of at least 5 sources of support
• be sure to read the Assignment description carefully (as displayed above);
• consult the Grading Rubric (under the Course Resources) to make sure you have included everything necessary; and
• utilize spelling and grammar check to minimize errors.

– IBD and IBS Differences

Although both ulcerative colitis and Crohn disease have distinct pathologic findings, approximately 10%-15% of patients cannot be classified definitively into either type; in such patients, the disease is labeled as indeterminate colitis. Systemic symptoms are common in IBD and include fever, sweats, malaise, and arthralgias.

The rectum is always involved in ulcerative colitis, and the disease primarily involves continuous lesions of the mucosa and the submucosa. Both ulcerative colitis and Crohn disease usually have waxing and waning intensity and severity. When the patient is symptomatic due to active inflammation, the disease is considered to be in an active stage (the patient is having a flare of the IBD). (See .)

In many cases, symptoms correspond well to the degree of inflammation present for either disease, although this is not universally true. In some patients, objective evidence linking active disease to ongoing inflammation should be sought before administering medications with significant adverse effects (see ), because patients with IBD can have other reasons for their gastrointestinal symptoms unrelated to their IBD, including coexisting (IBS), , or other confounding diagnoses, such as nonsteroidal anti-inflammatory drug (NSAID) effects and ischemic or infectious colitis.

Although ulcerative colitis and Crohn disease have significant differences, many, but not all, of the treatments available for one condition are also effective for the other. Surgical intervention for ulcerative colitis is curative for colonic disease and potential colonic malignancy, but it is not curative for Crohn disease.

NURS 6521N Advanced Pharmacology – IBD and IBS Differences


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Lacy BE. The science, evidence, and practice of dietary interventions in irritable bowel syndrome. Clinic Gastroenterology. 2015 Nov. 13(11):1899-906

Lashner B. Inflammatory bowel disease. Carey WD. Ed. Cleveland Clinic: Current Clinical Medicine- 2009. Philadelphia, PA: Saunders; 2009

Lehrer, J. (2018). Irritable Bowel Syndrome. Medscape. Retrieved October 15, 2018.

Thoreson R, Cullen JJ. Pathophysiology of inflammatory bowel disease; an overview. Surgical Clinic North America 2007 Jun 87(3):575-85

Tslanos EV, Katesanos KH, Tslanos VE. Role of genetics in the diagnosis and prognosis of Crohn’s disease.  World J Gastroenterology 2012 Jan 14. 18(2): 105-18

Quigley, EMM. The gut-brain axis and the microbiome: clues to pathophysiology and opportunities for novel management strategies in irritable bowel syndrome (IBS). J Cin Med. 2018 Jan 3. 7(1)

Schirbel A, Fiocchi C. Inflammatory bowel disease: Established and evolving considerations on its etiopathogenesis and therapy. J Dig Dis. 2010;11(5):266–276.

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– Antimicrobial Agents

Antimicrobial Agents
Antimicrobials are the most widely used agents in the healthcare system. Antimicrobial agents are prescribed to kill or inhibit the growth of specific microorganisms. Therapies that kill microorganisms are called and therapies that only inhibit the growth of microorganisms are called microbiostatic therapies.
Antimicrobial agents are categorized as antifungal, antibacterial, antiparasitic or antiviral
agents [Ani18].
They are categorized according to the specific organism they are aimed at the inhibition or kill.
Many times therapy is initiated before identifying the source of infection
Antibacterial Agents
Antibacterial agents are classified as any medication that inhibits the growth and reproduction of bacteria. These agents attack the bacteria to kill or prevent replication.
Antibacterials are divided into two groups that are by their speed of action and residue production
Classification of antibacterial agents is categorized according to the inhibition of cell wall synthesis, inhibition of protein synthesis, and inhibition of bacterial nucleic acid synthesis [Antnd].
Classifications of antibiotics are:

Also known as beta-lactam antibiotics
Discovered and the and most widely used
Inhibits cell wall synthesis by disrupting the synthesis of the peptidoglycan layer of bacterial cell walls; binds to and inactivates the penicillin-binding proteins
Most are unstable in the acidity of the stomach and must be given intravenously.
Renal impairment necessitates dosage adjustment
Potential side effects:
abdominal pain, headache, rash, diarrhea, and taste perversion
Common uses:
dental abscesses, pneumonia, gonorrhea, respiratory infections, skin infections, and urinary infections
Common antibiotics: amoxicillin, ampicillin, nafcillin, penicillin G,
penicillin V, piperacillin,

Beta-lactam/Beta-lactamase inhibitor combinations
Prevent the breakdown of the beta-lactam by organisms that produce the enzyme and increasing antibacterial activity.
Alternative treatment for organisms such as S. aureus, Haemophilus influenzae, and Bacteroides fragilis


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