Dr. Nasrullah Zadran, Dr Nasir Iqbal, Dr Amir Farooq Khan
Aim: To determine the frequency and risk factors of perforation in acute appendicitis. Study design: A retrospective study. Place and Duration: In the Surgical department of Lady Reading Hospital Peshawar for one-year duration from April 2019 to April 2020. Material and methods: A total of 150 patients were included in the study. Data on age, gender, patient intervals, hospital stay, results of surgery, and histopathological report were recorded in a proforma format. Preoperatively appendix was divided into 5 types as normal, cattahral, phlegmonous, gangrenous, and perforated which were confirmed by histopathology report Results: Of 150 patients there were 87 (58%) men and 63 (42%) women. The mean age of the patients was 23.94 years, ranging from 10 to 60 years. The negative appendectomy and perforation rates were 6.7% and 10%, respectively. Mean patient interval in the perforated group was 71.33 hours while mean hospital interval was 6.61 hours in the perforated group. Conclusion: Age and inter-patient interval are important factors of perforation in acute appendicitis. Key words: acute appendicitis, perforated appendix, patient interval, hospital interval.