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עמוד בית
Mon, 15.07.24

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May 2021
Mor Aharoni MD, Yiftach Barash MD, Yaniv Zager MD, Roi Anteby MD, Saed Khalilieh MD, Imri Amiel MD, Eyal Klang MD, Yuri Goldes MD, Mordechai Gutman MD FACS, Nir Horesh MD, and Danny Rosin MD FACS

Background: The coronavirus disease-2019 (COVID-19) outbreak had an effect on healthcare.

Objectives: To evaluate the presentation and management of patients with acute appendicitis.

Methods: A retrospective study was conducted of all patients presenting with acute appendicitis to the emergency department of a large tertiary center during March and April 2020. Clinical features, diagnostic workup, and management were compared.

Results: Seventy-four patients presented with acute appendicitis during the pandemic compared to 60 patients during the same time the year before. There were no significant differences in patient demographics: age (P = 0.65), gender (P = 0.73), smoking status (P = 0.48). During COVID-19 patients were more likely to complain of right lower quadrant pain (100% vs. 78.3%, P < 0.01). Rates of surgical treatment was similar (83.8% vs. 81.7%, P = 1); mean operative time was longer during COVID-19 (63 ± 23 vs. 52 ± 26 minutes, P = 0.03). There were no significant differences in intra-operative findings including the presence of appendiceal perforation (16.3% vs. 14.5%, P = 0.8), abscess (6.1% vs. 9.7%, P = 0.73), or involvement of cecum or terminal ileum (14.28% vs. 19.63%, P = 1). Postoperative treatment with antibiotics was more prevalent during COVID-19 (37.1% vs. 18%, P = 0.04). Length of stay (1.82 ± 2.04 vs. 2.74 ± 4.68, P = 0.2) and readmission rates (6% vs. 11.3%, P =0.51) were similar.

Conclusion: The COVID-19 pandemic did not significantly affect the presentation, clinical course, management, and outcomes of patients presenting with acute appendicitis.

March 2018
Avinoam Nevler MD, Yaniv Berger MD, Avital Rabinovitz MD, Oded Zmora MD, Moshe Shabtai MD, Danny Rosin MD and Mordechai Gutman MD FACS

Background: Acute appendicitis (AA) is one of the most common indications for emergency abdominal surgery.

Objective: To assess the diagnostic and prognostic value of serum bilirubin and liver enzyme levels in the management of acute appendicitis.

Methods: Consecutive emergency department patients referred for a surgical consult for suspected AA were prospectively enrolled in the study. Data regarding demographic, clinical and laboratory results were recorded. Receiver operating characteristic (ROC) curve was performed for all evaluated parameters. Clinical and laboratory markers were evaluated for diagnostic accuracy and correlation to the clinical severity, histology reports, and length of hospital stay.

Results: The study was comprised of 100 consecutive patients. ROC curve analysis revealed white blood cell count, absolute neutrophils count (ANC), C-reactive protein, total-bilirubin and direct-bilirubin levels as significant factors for diagnosis of AA. The combination of serum bilirubin levels, alanine transaminase levels, and ANC yielded the highest area under the curve (0.898, 95% confidence interval 0.835–0.962, P<0.001) with a diagnostic accuracy of 86%. In addition, total and direct bilirubin levels significantly correlated with the severity of appendicitis as described in the operative and pathology reports (P < 0.01). Total and direct bilirubin also significantly correlated with the length of hospital stay (P < 0.01).

Conclusions: Serum bilirubin levels, alone or combined with other markers, may be considered as a clinical marker for AA correlating with disease existence, severity, and length of hospital stay. These findings support the routine use of serum bilirubin levels in the workup of patients with suspected AA.

June 2014
Itay Zoarets MD, Natan Poluksht MD and Ariel Halevy MD

Background: Appendectomies are the most common operations performed on an emergency basis. The accepted rate of "white" appendectomies is around 20%. In recent years, computed tomography (CT) scanning has been recognized as a valuable tool with high sensitivity and specificity in the diagnosis of acute appendicitis. The use of CT scans in the management of patients with suspected acute appendicitis is increasing worldwide.

Objectives: To assess whether introducing more liberal use of CT in the management of patients presenting to the emergency room with right lower quadrant pain or suspected acute appendicitis would reduce the rate of “white” appendectomies.

Methods: We conducted a retrospective study of the pathology reports and CT scans of all patients who underwent appendectomy during a 3 year period. We examined the correlation between the rate of CT scans performed and the rate of "white" appendectomies.

Results: Overall, we performed 797 appendectomies during the study period. In 2004, we performed 272 appendectomies and CT in 34 patients (12.5%). In 2005, we performed 275 appendectomies and CT in 83 patients (30.2%). In 2006, we performed 250 appendectomies and CT in 88 patients (35.2%). The percentage of "white" appendectomies decreased from 29% in 2004 to 21.1% in 2005 and to 18.8% in 2006.

Conclusions: It appears that a more selective use of CT scans in the management of suspected appendicitis could reduce the rate of "white" appendectomies.

June 2011
O. Chechik, R. inbar, B. Danino, R. Lador, R. Greenberg and S. Avital

Background: The effect of anti-platelet drugs on surgical blood loss and perioperative complications has not been studied in depth and the management of surgical patients taking anti-platelet medications is controversial.

Objective: To assess the effect of anti-platelet therapy on perioperative blood loss in patients undergoing appendectomy either laparoscopically or via open surgery.

Methods: We reviewed the files of all patients > 40 years old who underwent open or laparoscopic appendectomies from 2007 to 2010. Excluded were patients with short hospitalization and no follow-up of hemoglobin level, patients on warfarin treatment and patients who underwent additional procedures. Estimation of blood loss was based on decrease in hemoglobin level from admission to discharge. Risk factors for blood loss, such as anti-platelet therapy, age, gender, surgical approach, surgical time, surgical findings and complications, were analyzed.

Results: The final cohort included 179 patients (mean age 61 ± 14 years, range 40–93) of whom 65 were males. The mean perioperative hemoglobin decrease was 1.59 ± 1.07 mg/dl (range 0–5 mg/dl). Thirty-nine patients received anti-platelet therapy prior to surgery and 140 did not. No significant differences in decrease of hemoglobin level were found between patients receiving anti-platelet therapy and those who were not (1.73 ± 1.21 vs. 1.55 ± 1.02 mg/dl, P = 0.3). In addition, no difference was found between patients on anti-platelet therapy operated laparoscopically and those operated in an open fashion (1.59 ± 1.18 vs. 2.04 ± 1.28 mg/dl, P = 0.29). Five patients required blood transfusions, two of whom were on anti-platelet therapy. Blood loss was significantly greater in patients with a perforated appendicitis and in those with an operative time of more than one hour.

Conclusions: Anti-platelet therapy does not pose a risk for increased blood loss following emergent appendectomy performed either laparoscopically or in an open fashion.

November 2008
R. Shaoul et al

Background: Patients with non-inflamed appendix have been reported to have had more hospitalizations and emotional disorders before and after the operation than patients with acute appendicitis.

Objectives: To compare abdominal pain characteristics, as well as demographic and psychosocial data in children with histologically confirmed appendicitis compared to non-inflamed appendices.

Methods: Charts of children with suspected appendicitis who had undergone appendectomy were retrospectively reviewed for relevant clinical and laboratory data. The patients or their parents were then contacted by phone and were asked to respond to a detailed questionnaire on abdominal symptoms as well as demographic and psychosocial data.

Results: The study group comprised 156 children: 117 with histologically confirmed appendicitis and 39 with normal appendices. Eighty-two patients (53.2%) were located and interviewed: 62 (54%) with appendicitis and 20 (51%) with normal appendices. Of the 82 children, 16 reported recurrent episodes of abdominal pain before or after surgery: 11 (17.7%) in the appendicitis group and 5 (25%) in the normal appendix group. Only six patients fulfilled the formal criteria for the diagnosis of recurrent abdominal pain: 5 (8%) from the appendicitis group and 1 (5%) from the non-inflamed appendix group (not significant). In addition, no significant statistical differences were found between the groups regarding school performance, behavior and social interaction with peers.

Conclusions: We could not demonstrate an increased incidence of recurrent abdominal pain, nor could we identify significant psychosocial morbidity in those children undergoing a non-inflamed appendectomy.

February 2002
Jochanan G. Peiser, MD, MPH and Dan Greenberg, MSc

Background: Acute appendicitis is one of the most common conditions requiring surgical intervention. Open appendectomy has been a safe and effective operation for acute appendicitis for more than a century. Recently, several authors proposed that the new technique of laparoscopic appendectomy should be the preferred treatment for acute appendicitis. However, unlike laparoscopic cholecystectomy, LA[1] has not yet gained popularity.

Objectives: To compare open with laparoscopic appendectomy for length of operation, complications, postoperative pain control, length of hospitalization, and hospital costs.

Methods: A sample of 194 patients who underwent OA[2] and LA during 1995 was randomly selected for the study. Patients' demographic data, preoperative laboratory and physical values, histopathologic diagnosis of removed appendix, mean operating time, length of hospitalization, and postoperative pain control and complications were reviewed.

Results: Acute appendicitis was confirmed in 66% of patients. The groups were similar demographically (gender and mean age). We could not find any statistical differences in intraoperative and postoperative complications and use of antibiotics. The operative time was longer in the OA group (62.4 vs. 57.3 minutes), but the difference was not statistically significant (P=0.075). The hospital stay was 2.5 days in the LA group and 2.7 days in the OA group. Higher operative costs were observed in the LA group.

Conclusion: Laparoscopic appendectomy is comparable to open appendectomy with regard to complications, length of operation, hospital stay, but it is more costly. Laparoscopic appendectomy does not offer any significant benefit over the open approach.

[1] LA = laparoscopic appendectomy

[2] OA = open appendectomy

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