Retrospective Study in Laparoscopic versus Open Appendectomy in Bangkok Metropolitan Administration General Hospital

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Supakit Chartchaiyarerk


Objective: To compare the result of appendicitis treatment between laparoscopic surgery (LA) and open surgery (OA). In term of duration of hospital stay, intraoperative time, postoperative pain, hospital and medical expenses.

Materials and methods: A retrospective study by reviewing medical records of appendicitis patients who were treated from 1st January, 2011 to 31st December, 2013. The data included personal information, intraoperative details, postoperative details and the data of those was analyzed and was compared between open and laparoscopic surgery.

Results: From the collecting data, 560 patients (433 patients from open surgery and 122 from laparoscopic surgery were studied retrospectively. According to this study, laparoscopic appendectomy was associated with a less blood loss (10 mL in LA and 19 mL in OA, p-value = 0.017, 95% CI = -16.181-(-1.564)), shorter hospital stay (3.1 in LA and 3.6 in OA, p-value = 0.039, 95% CI = -0.969-(-0.004)), and lower postoperative pain from day 1 to day 3 (p-value = <0.001, 95% CI = -0.673-(-0.327), p-value = <0.001, 95% CI = -0.948- (-0.521), and p-value = <0.001, 95% CI = -1.421-(-0.894), respectively). In contrast, intraoperative time in laparoscopic surgery was longer than open surgery significantly (73 min in LA and 54 min in OA, p-value = <0.001, 95% CI = 14.096- 23.566) and cost was higher, too (p-value = <0.001, 95% CI = 7819-11891 ). All factors were statistically significant.

Conclusion: The treatment of appendicitis by using laparoscopic surgery provides a better result in the term of duration of hospital stay, recovering time, postoperative pain but it requires more operative time and more cost too.


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