Nonoperative Management Of Complicated Appendicitis Research Articles

Management of Complicated Appendicitis During Pregnancy in the US

Data are sparse regarding the optimal treatment for complicated appendicitis during pregnancy. To compare nonoperative and operative management in complicated appendicitis during pregnancy. This cohort study was conducted using National Inpatient Sample data from between January 2003 and September 2015. This database approximates a 20% stratified sample of US inpatient hospital discharges. Included individuals were pregnant women discharged with the diagnosis of complicated appendicitis. Data were analyzed from February 2020 through February 2022. Study patients were categorized into 3 groups: those with successful nonoperative management, failed nonoperative management with delayed operation, or immediate operation for complicated appendicitis. Clinical outcomes, including maternal infectious complications and perinatal complications, hospital length of stay, and total hospital charges. Among 8087 pregnant women with complicated appendicitis (median [IQR] age, 27 [22-32] years), nonoperative management of complicated appendicitis was successful among 954 patients (11.8%) and failed among 2646 patients (32.7%), who underwent delayed operation; 4487 patients (55.5%) underwent immediate operation. In multivariate analysis, successful nonoperative management was associated with higher odds of amniotic infection (odds ratio [OR], 4.35; 95% CI, 2.22-8.53; P < .001) and sepsis (OR, 1.52; 95% CI, 1.10-2.11; P = .01) compared with immediate operation, while there was no significant difference in preterm delivery, preterm labor, or abortion. However, failed nonoperative management that required delayed operation was associated with higher odds of preterm delivery, preterm labor, or abortion compared with immediate operation (OR, 1.45; 95% CI, 1.24-1.68; P < .001). Immediate operation was associated with decreased hospital charges compared with nonoperative management that was successful (regression coefficient [RC], 0.09; 95% CI, 0.07-0.11; P < .001) and that failed (RC, 0.12; 95% CI: 0.11-0.14; P < .001). In subgroup multivariate logistic regression analysis, each day in delay to surgery was associated with an increase in odds of preterm delivery, preterm labor, or abortion by 23% (OR, 1.23; 95% CI, 1.18-1.29; P < .001). This study found that immediate operation for complicated appendicitis in pregnant women was associated with lower odds of maternal infectious complications without higher odds of perinatal or other maternal complications compared with successful nonoperative management. Failed nonoperative management was associated with worse clinical outcomes.

A Standardized Protocol for Nonoperative Management of Complicated Appendicitis in Children Reduces Resource Utilization.

To standardize care and reduce resource utilization, we implemented a standardized protocol (SP) for the nonoperative treatment of complicated appendicitis. We conducted a prospective, historically controlled, study of patients <21 years with complicated appendicitis managed nonoperatively using an SP from January 2017 to November 2018. The primary outcomes included length of stay (LOS), antibiotic days, peripheral inserted central catheter (PICC) utilization, discharge on intravenous antibiotics, and predischarge imaging. Secondary outcomes were protocol adherence and the rates of adverse events (AE) including return to emergency department (ED), readmission, failure of nonoperative treatment, and interval appendectomy complications. Protocol adherence was 67.9%. In total, 741 children were treated for appendicitis of which 58 (30 pre-SP and 28 post-SP) were treated nonoperatively for complicated appendicitis at presentation. Patients were well matched for age, admission white blood cell, sex, body mass index, race, and the proportion requiring percutaneous drainage. After implementing the SP, fewer children had PICCs (100.0 vs. 57.1%, p ≤ 0.001), fewer were discharged on intravenous antibiotics (90.0 vs. 42.9%, p < 0.001), and total antibiotic days were reduced (14.0 vs. 10.0, p = 0.006). There was no difference in LOS (5.5 vs. 6.0 days, p = 0.790) or the proportion undergoing ultrasound (36.7 vs. 39.3%, p = 0.837) or computed tomography scan (16.7 vs. 3.6%, p = 0.195) prior to discharge. There were nonsignificant trends toward reduced AEs (46.7 vs. 35.7%, p = 0.397), returns to ED (40.0 vs. 28.6%, p = 0.360), and readmissions (26.7 vs. 17.9%, p = 0.421). The proportion failing nonoperative treatment (10.0 vs. 3.6%, p = 0.612) and experiencing complications of interval appendectomy (3.3 vs. 3.6%, p = 0.918) were not significantly different. Implementing an SP for treating complicated appendicitis nonoperatively reduced resource utilization without negatively affecting clinical outcomes.

Factors Associated with Failure of Nonoperative Management for Complicated Appendicitis

In recent years, nonoperative management of complicated appendicitis has become more common. Patients managed nonoperatively do well, but there is a paucity of literature on patients who fail nonoperative management. The purpose of this study was to examine the overall failure rate, morbidity associated with failure, and potential predictors of failure in nonop management of appendicitis. This is a descriptive retrospective review of patients from a single hospital system who were diagnosed with advanced appendicitis and underwent nonop management between January 1, 2007, and November of 2017. The data were obtained through review of patient charts from the electronic medical record. Failure was defined as requirement of an operation due to ongoing infection secondary to appendicitis. There were 183 patients initially managed nonoperatively, with 70 patients failing nonoperative management. Patients failing nonoperative management experienced longer hospitalization (6.2 vs 2.9 days, P < 0.0001), and more patients in the failure group required admission to the ICU (10.0% vs 1.8%, P = 0.028). Multivariate analysis revealed that longer duration of symptoms reduced the likelihood of failure (odds ratio: 0.77 [0.64-0.92]). In this retrospective review, 38 per cent of patients failed nonop management of appendicitis. Symptom duration could provide insight for clinicians in assessing the role of nonoperative management because increasing symptom duration reduced the likelihood of failure.

Pathology findings following interval appendectomy: Should it stay or go?

PurposeInterval appendectomy following nonoperative management of complicated appendicitis remains controversial. The aim of this study was to evaluate surgical pathology and clinical outcomes after pediatric interval appendectomy. MethodsPathology results from children with complicated appendicitis who underwent interval appendectomy at a single children's hospital from 2010 to 2017 were reviewed. The primary outcome was pathology results. Secondary outcomes included complications and readmission following initial treatment and after interval appendectomy. ResultsAmong 149 patients (median age 11 years; range, 1–18), all had evidence of persistent inflammation on surgical pathology, 25 (17%) had an appendicolith, and no neoplasms were identified. Median duration of the initial admission was 8 days (range, 2–28) and 70% received a percutaneous drain prior to appendectomy. Interval appendectomy was performed at a median of 7.5 weeks (range, 2.9–29.1). Thirty-six (24%) returned to the hospital prior to their scheduled appendectomy and 6 (4%) required appendectomy earlier than planned. Nine patients (6%) experienced a complication following interval appendectomy, of which superficial surgical site infection was the most common (n = 4). ConclusionAll children had evidence of ongoing inflammation on surgical pathology. While the clinical implications of persistent inflammation remain uncertain, these findings suggest that interval appendectomy is an appropriate treatment following medical management of complicated appendicitis in children. Level of Evidence sectionIV, Case series with no comparison groups.

Complicated appendicitis and considerations for interval appendectomy.

Acute appendicitis is one of the most common surgical emergencies. Of the 300,000 appendectomies performed each year, 25% are due to complicated appendicitis. This article reviews the incidence and pathophysiology of acute appendicitis, the nonoperative management of complicated appendicitis, and the rationales for and against interval appendectomy.

AB026. Single daily dosing of ceftriaxone and metronidazole is as safe and effective as ampicillin, gentamicin and metronidazole for non-operative management of complicated appendicitis in children

AB026. Single daily dosing of ceftriaxone and metronidazole is as safe and effective as ampicillin, gentamicin and metronidazole for non-operative management of complicated appendicitis in children

Operative vs Nonoperative Management of Complicated Appendicitis: A National Analysis

Inaba, Colette S. MD; Sujatha-Bhaskar, Sarath MD; Koh, Christina MD; Pejcinovska, Marija; Jafari, Mehraneh D. MD; Mills, Steven D. MD, FACS; Carmichael, Joseph C. MD, FACS; Stamos, Michael J. MD, FACS, FASCRS; Pigazzi, Alessio MD, FACS Author Information

Is Interval Appendectomy Necessary for Appendicular Phlegmon? A Prospective Study

Appendectomy is accepted as the standard treatment of acute appendicitis, but in complicated cases, the treatment of choice is not straightforward. In this prospective study, we compared failure rate, complications, and recurrence rate of three different approaches to complicated appendicitis. In a 5-year prospective cohort study, patients with appendicular phlegmon were studied in three groups based on the treatment protocols. Group A included patients who underwent an appendectomy; patients of group B were treated by interval appendectomy; and in group C, conservative management was performed without interval appendectomy. Data analysis was performed using SPSS version 11.5. In total, 3896 patients with acute appendicitis were admitted, and 127 patients with complicated appendicitis were treated. Fifty-four patients were excluded from the study. Differences in age, gender, weight, and duration of symptoms were not statistically significant in the three groups. In group A (N = 23), appendectomy was impossible in 4 patients and 5 patients experienced complications. In group B (N = 24), two patients underwent exploration and appendectomy. In another two patients, a recurrent episode of acute appendicitis with mild signs and symptoms occurred after discharge from the hospital. In group C (N = 25), three patients experienced a recurrent appendicitis. Interval appendectomy is not indicated in all patients and continuous non-operative management may be appropriate in some patients. As the epidemiology of colorectal cancer and inflammatory bowel diseases is different in Iran, we recommend other researchers to perform a cost-effectiveness analysis on colon and appendicular neoplasms workup after non-operative management of complicated appendicitis.

Role of non-operative management in pediatric appendicitis

Appendectomy is currently considered the standard of care for children with acute appendicitis. Although commonly performed and considered a safe procedure, appendectomy is not without complications. Non-operative management has a role in the treatment of both uncomplicated and complicated appendicitis. In uncomplicated appendicitis, initial non-operative management appears to be safe, with an approximate 1-year success rate of 75%. Compared to surgery, non-operative management is associated with less disability and lower costs, with no increase in the rate of complicated appendicitis. In patients with complicated appendicitis, initial non-operative management with interval appendectomy has been shown to be safe with reported success rates between 66% and 95%. Several studies suggest that initial non-operative management with interval appendectomy may be beneficial in patients with perforated appendicitis with a well-formed abscess or inflammatory mass. Recent data suggest that interval appendectomy may not be necessary after initial non-operative management of complicated appendicitis.

Is there truly an oncologic indication for interval appendectomy?

BackgroundThe rate of recurrent appendicitis is low following nonoperative management of complicated appendicitis. However, recent data suggest an increased rate of neoplasms in these cases. MethodsThe study was a retrospective review of patients with acute appendicitis at 2 university-affiliated community hospitals over a 12-year period. The primary outcome measure was the incidence of appendiceal neoplasm following interval appendectomy. ResultsSix thousand thirty-eight patients presented with acute appendicitis. Appendectomy was performed in 5,851 (97%) patients at the index admission. Of the 188 patients treated with initial nonoperative management, 89 (47%) underwent interval appendectomy. Appendiceal neoplasms were identified in 11 of the 89 (12%) patients. These included mucinous neoplasms (n = 6), carcinoid tumors (n = 4), and adenocarcinoma (n = 1). The rate of neoplasm in patients over age 40 was 16%. ConclusionsThere is a significant rate of neoplasms identified in patient over age 40 undergoing interval appendectomy. This should be considered following nonoperative management of complicated appendicitis.

Single Daily Dosing of Ceftriaxone and Metronidazole is as Safe and Effective as Ampicillin, Gentamicin and Metronidazole for Non-operative Management of Complicated Appendicitis in Children

Introduction: Perforated appendicitis very common abdominal emergency in children and nonoperative management with Ampicillin Gentamicin and Metronidazole (AGM) has shown good results. Recent data show that single daily dosing of Ceftriaxone and Metronidazole (CM) is as safe and effective as ampicillin gentamicin and clindamycin for treatment of perforated appendicitis after surgery in children. Treatment of complicated appendicitis in children with once daily CM can decrease the risk of in drug administration’s mistake, require the patient to be connected to the IV line for short time only once a day, may cause less IV line infection and may cost less. The aim of this study was to compare the effectiveness, and safety of CM with the traditional triple antibiotic for conservative treatment of complicated appendicitis children. Methods: A prospective, open, randomized study conducted from July 1st 2008 to June 30th 2009. Included were children younger than 14 years with complicated appendicitis who were randomly assigned to therapy with either CM as a single daily dose or AGM. The outcome variables compared were maximum daily temperature, duration of fever, time return to oral diet, length of antibiotic therapy, results of repeat WBC counts, need for abdominal abscess drainage, length of hospitalization and complication. Results: Overall 22 and 21 children were assigned to CM and AGM regimens respectively. There were no any significant differences in all clinical outcomes parameters between the two groups. Conclusions: Single daily dosing of CM is as safe and effective as the triple antibiotic regimen and has significant advantages for the conservative therapy of complicated appendicitis in children.

Expanded utilization of nonoperative management for complicated appendicitis in children

The initial approach to complicated appendicitis in children has become increasingly nonoperative, particularly when there is presumed perforation and a localized abscess. We extended the indications for nonoperative management to include most cases other than simple appendicitis, including those with diffuse peritoneal involvement. We evaluated outcomes and sought to identify factors at the time of hospital admission that predicted an extended length of stay (LOS) with this strategy. The records of 223 consecutive children who were managed nonoperatively for complicated appendicitis were reviewed. A conservative approach was typically pursued in those with an abscess, phlegmon, or free fluid on initial imaging studies, and diffuse tenderness, diarrhea, or significant leukocytosis after 2 days of symptoms. Interval appendectomies were performed selectively. The average LOS was 5.6 days (1-38), but nine subjects had a LOS of greater than 14 days. Eleven (4.9 %) required appendectomy during the initial admission. Free fluid on admission imaging studies, present in 78 % of those with an extended LOS, [odds ratio (OR) 5.5], in addition to a requirement for early nasogastric drainage (OR 24.2) and a higher band count (19 vs 15 %), was significantly associated with an extended LOS. An expansion of the indications for nonoperative management of complicated appendicitis yielded an acceptable average LOS and a low incidence of early appendectomy. However, a small subset of subjects had an extended LOS, and most of those had free peritoneal fluid on admission.