The imperative of cholecystitis: understanding and prioritizing gallbladder perforation

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Dear Editor,
I read with great interest the article by Lee et al. [1] , recently published in the International Journal of Surgery, which presents a retrospective cohort study on the impact of gallstones on the development of gallbladder perforation (GBP) in patients with acute acalculous cholecystitis (AC) and calculous cholecystitis (CC).The study's 10-year single-center experience analyzed 4497 patients who underwent cholecystectomy, revealing a significantly higher incidence of GBP in the AC group (5.6%) compared to the CC group (1.0%).The authors identified AC as a significant risk factor for GBP, with patients experiencing a fivefold higher risk than those with CC.Other factors associated with an increased risk of GBP included older age, male sex, comorbidities, poor performance status, and concurrent acute cholangitis.The study found that early cholecystectomy significantly reduced GBP-related morbidity and mortality.The findings underscore the importance of prompt clinical attention and surgery to mitigate the complications associated with GBP.However, I would like to raise a few points for discussion.
Firstly, in the 'Results' section under 'Study Population and Baseline Characteristics,' the authors state that the duration from hospital admission to surgical intervention was significantly longer in the AC group compared to the CC group (3.7 5.8 vs. 2.7 3.0 years, P < 0.001).However, Table 1 provides data on 'Duration from Admission to Cholecystectomy (days, mean SD)' as (3.7 5.8 vs. 2.7 3.0, P < 0.001) and 'Duration from Symptom to Admission (days, mean SD)' as (3.3 3.9 vs. 4.0 4.5, P < 0.001).Could the authors clarify the source of the data on the duration from hospital admission to surgical intervention (3.7 5.8 vs. 2.7 3.0 years, P < 0.001) as stated?Or could this be a typographical error?Similarly, in Table 2, the ICU stay for the AC group was 5.3 7.9 days, while for the CC group, it was 3.6 3.4 days.However, the total hospital stay for the groups was 9.0 7.4 days for the AC group and 8.1 52.5 days for the CC group.The large SD in the total hospital stay for the CC group is intriguing and raises the question of whether certain patients experienced severe postoperative complications contributing to this variance.If so, would the authors consider providing a separate clarification for such cases?
Secondly, bile duct injuries during cholecystectomy are indeed a surgeon's nightmare [2] .In the authors' study, within the CC group, there were two cases of biliary stricture.As indicated in Table 4, both instances occurred in the delayed cholecystectomy group.Could the authors elucidate whether these strictures are related to surgical misadventures or are a consequence of the Mirizzi syndrome?
Thirdly, I find it intriguing that in the authors' research, there was only one case of Type III perforation.However, the manuscript does not specify whether this perforation resulted in a cholecystocolonic fistula or a cholecystoduodenal fistula, as the management of such cases is particularly challenging, and any misstep could lead to severe complications.In my review, I have observed that the authors seem to have overlooked a specific variant of acute cholecystitis-xanthogranulomatous cholecystitis.This is significant because patients with this condition may exhibit imaging suggestive of GBP prior to surgery [3] .Therefore, it would be beneficial for the authors to clarify whether cases of xanthogranulomatous cholecystitis were included in their study.This information is crucial for ensuring the comprehensiveness and accuracy of the research findings and for preventing potential biases in patient selection that could compromise the validity of the conclusions.
In conclusion, the article by Lee et al. presents a well-conducted study with accurate information and logically sound arguments.The findings highlight the importance of considering AC as a risk factor for GBP and suggest that early surgical intervention may be beneficial in reducing related complications.The study contributes valuable insights to the field of surgical gastroenterology and warrants consideration in the management of patients with acute cholecystitis.