Tag Archives: appendicitis

Appendectomy vs Antibiotics: The Better Choice for Pediatric Appendicitis

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Briefly noted: SD St Peter et al. The Lancet, Volume 405, Issue 10474, 233 – 240. Appendicectomy versus antibiotics for acute uncomplicated appendicitis in children: an open-label, international, multicentre, randomised, non-inferiority trial

Methods: Children (n=936) aged 5–16 years with suspected non-perforated appendicitis (based on clinical diagnosis with or without radiological diagnosis) were randomly assigned (1:1) to the antibiotic or the appendectomy group. Treatment failure: Within 1 year of random assignment, n the antibiotic group, failure was defined as removal of the appendix, and in the appendectomy group, failure was defined as a normal appendix based on pathology.

Key findings:

  • Treatment failure occurred in 153 (34%) of 452 patients in the antibiotic group, compared with 28 (7%) of 394 in the appendectomy group 
  • There were no deaths or serious adverse events in either group
  • The relative risk of having a mild-to-moderate adverse event in the antibiotic group compared with the appendectomy group was 4·3 

My take: Appendectomy was superior to antibiotic management of acute non-perforated appendicitis.

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Disclaimer: This blog, gutsandgrowth, assumes no responsibility for any use or operation of any method, product, instruction, concept or idea contained in the material herein or for any injury or damage to persons or property (whether products liability, negligence or otherwise) resulting from such use or operation. These blog posts are for educational purposes only. Specific dosing of medications (along with potential adverse effects) should be confirmed by prescribing physician.  Because of rapid advances in the medical sciences, the gutsandgrowth blog cautions that independent verification should be made of diagnosis and drug dosages. The reader is solely responsible for the conduct of any suggested test or procedure.  This content is not a substitute for medical advice, diagnosis or treatment provided by a qualified healthcare provider. Always seek the advice of your physician or other qualified health provider with any questions you may have regarding a condition.

Endoscopically-Identified Incidental Appendicitis

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There are a lot of interesting recent case reports on the JPGN Reports website. A recent example includes the following:

Mostafavi et al report (JPGN Reports 2024; 5:511–513. Open Access! Endoscopic diagnosis of asymptomatic appendicitis in a pediatric patient) on the incidental diagnosis of appendicitis. A followup colonoscopy in a 14 year-old with ulcerative colitis identified purulent fluid from the appendiceal orifice after ileal intubation; subsequently, after MRI imaging, an appendectomy was performed. The appendicitis was thought to be unrelated to the ulcerative colitis.

Other examples of some recent JPGN case reports:

Antibiotics for Acute Uncomplicated Appendicitis in Children

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A recent meta-analysis study (L Huang et al. JAMA Pediatr 2017; 17: 426-34 -thanks to Ben Gold for this reference) indicates that antibiotcis can be effective as treatment for acute uncomplicated appendicitis, particularly if no appendolith is present.

From the abstract:

Abstract

IMPORTANCE:

Antibiotic therapy for acute uncomplicated appendicitis is effective in adult patients, but its application in pediatric patients remains controversial.

OBJECTIVE:

To compare the safety and efficacy of antibiotic treatment vs appendectomy as the primary therapy for acute uncomplicated appendicitis in pediatric patients.

STUDY SELECTION:

Randomized clinical trials and prospective clinical controlled trials comparing antibiotic therapy with appendectomy for acute uncomplicated appendicitis in pediatric patients (aged 5-18 years) were included in the meta-analysis. The outcomes included at least 2 of the following terms: success rate of antibiotic treatment and appendectomy, complications, readmissions, length of stay, total cost, and disability days.

RESULTS:

A total of 527 articles were screened. In 5 unique studies, 404 unique patients with uncomplicated appendicitis (aged 5-15 years) were enrolled. Nonoperative treatment was successful in 152 of 168 patients (90.5%), with a Mantel-Haenszel fixed-effects risk ratio of 8.92 (95% CI, 2.67-29.79; heterogeneity, P = .99; I2 = 0%). Subgroup analysis showed that the risk for treatment failure in patients with appendicolith increased, with a Mantel-Haenszel fixed-effects risk ratio of 10.43 (95% CI, 1.46-74.26; heterogeneity, P = .91; I2 = 0%).

CONCLUSIONS AND RELEVANCE:

This meta-analysis shows that antibiotics as the initial treatment for pediatric patients with uncomplicated appendicitis may be feasible and effective without increasing the risk for complications. However, the failure rate, mainly caused by the presence of appendicolith, is higher than for appendectomy. Surgery is preferably suggested for uncomplicated appendicitis with appendicolith.

From a AHC Media synopsis of article:Although antibiotic treatment of acute appendicitis appears effective in many cases, there is a nearly nine-fold higher risk of treatment failure compared with appendectomy, with 26.8% of patients in the antibiotic treatment group requiring interval appendectomy.

My take: My opinion is that surgery is appropriate as first-line treatment for  acute uncomplicated appendicitis.

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No Habla Appendicitis

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Before today’s blog, I wanted to state that our physicians now can treat Clostridium difficile with fecal microbiota transplant (would have been more relevant to yesterday’s blog: “Gut Microbiome”) :

GI Care for Kids is one of the few places in the region to offer this capability for children (thanks to Jeff Lewis for working to navigate the logistics/regulatory burdens).

Today’s blog: Though physicians make efforts to combat language barriers with translators, the personal connection between physicians and patients is undoubtedly weakened in those with limited English proficiency LEP).  Recently, one of my emergency room colleagues explained that he had ordered a CT scan on a young man in part due to his hispanic ethnicity and concern that this would lead him to overlook a diagnosis of appendicitis.  According to a recent study, my emergency room colleague was right –hispanic ethnicity and language barriers increased the risk for appendiceal perforation (J Pediatr 2014; 164: 1286-91).

The researchers performed a secondary analysis of a prospective, cross-sectional, multi center study of children aged 3-18 years who presented with abdominal pain/possible appendicitis (2009-2010) at 10 tertiary care pediatric emergency departments in the U.S.

Results:

  • Of the 2590 patients enrolled, 1001 (38%) had appendicitis.
  • Hispanics with LEP had an odds ratio of 1.44 of having appendiceal perforation.  In addition, these patients were less likely to undergo advanced imaging (OR 0.64)

Bottomline: Patients/families who speak English are more likely to communicate the severity of their medical problem.  Those with limited English proficiency are at increased risk for complications and this extends beyond perforation with appendicitis.

Related blog post: How much radiation from your CT scanner? | gutsandgrowth

How much radiation from your CT scanner?

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Our children’s hospital, along with many others, has made a concerted effort to reduce radiation exposure by adjusting CT scan settings.  Even a single abdominal CT scan may confer a small but real risk of developing cancer.  The trade-off with low-dose CT techniques has been a concern about poor image quality.  New research indicates that low-dose CT scan is not inferior to standard-dose CT with respect to detecting appendicitis (NEJM 2012; 366: 1596-605).

This single-center study examined 441 patients assigned in a single-blind fashion to low-dose CT (median dose: 116 mGy-cm) in comparison to 447 patients receiving a standard-dose CT (median dose: 521 mGy-cm).  All patients had CT for suspected appendicitis.  The negative appendectomy rate was 3.5% in the low-dose group and 3.2% in the standard-dose group.  There was no significant difference in appendiceal perforation rate or proportion of patients needing more imaging.

How much radiation do your patients receive with a CT scan?

Related newspaper article:

FDA issues guidelines to lower radiation exposure in children:

http://www.ajc.com/health/child-sizing-radiation-doses-1434081.html

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More imaging needed?

Additional references:

  • -NEJM 2010; 363: 1, 4. Safety of CT.  Can have overdose of radiation and even standard doses could cause complications.  Also, a big issue is downstream unnecessary testing due to incidental findings.
  • -JPGN 2011; 52: 280. Documents high exposure to radiation in large IBD pediatric cohort.
  • -J Clin Gastroenterol 2011; 45: 34-39. High levels of ionizing radiation thru CT scan in pts with IBD.
  • -Pediatr Radiology 2002; 32: 217-313. Minimizing radiation exposure, risk/benefit of CT. Proceedings from conference.
  • -Pediatr Radiology 2002; 32: 700-706. Risk of CT for young child: ~ 1 in 1000 risk of fatal cancer later in life.