RESUMEN
To determine the frequency of normal appendicectomy in a tertiary care hospital. prospective observational study. This study was carried out in Surgical Unit-I, Liaquat University Hospital Hyderabad, from Oct 2010 to Oct 2011. This study consisted of hundred patients admitted through the outpatient department, as well as from casualty department of Liaquat University Hospital Jamshoro/Hyderabad. Detailed History was taken from all the patients with special reagard to the Pain in RIF, Pain starting around umbilicus, nausea, vomiting, fever and Altered bowel habits. Detailed Clinical examination of the patient was done. Site of right iliac fossa was especially examined for assessment of tenderness and recorded in proforma. Systemic review was also done to see any co-morbidity. All patients underwent base line and specific investigations especially ultrasound of abdomen as diagnostic modality for assessment of acute appendicitis. Inclusion criteria were all these patients who after counseling for this study and gave written consent. Irrespective of their age and sex admitted in Surgical Unit-I through outpatient department/ casualty and diagnosed as case of acute appendicitis. Exclusion criteria included all history of previous operation on lower abdomen. Follow up of all these patients was done. Results were prepared with help of tables and graphs. Data was analyzed through SPSS software. Out of 100 patients included in this study 65 were male [64%] and 36 patients were female [36%]; with male to female ratio of 1.7:1. There was wide variation of age ranging from a minimum of 10 year to 70 year. The mean age was 26.78 year. Symptoms of patients were pain in RIF in 99 [99%], pain starting around umbilicus in 42 examination of patients revealed tenderness at Mc Burney's point in 99 [99%] patients, while guarding was present in 80[80%] patients, rebound tenderness was present in 84[84%] patients and 33 [33%] patients had fever. Ultrasonographic findings revealed Wall thickness of appendix in 58[58%] patients where as normal appendix in 42[42%] patients, Free fluid in the R.I.F and pelvis was found in 36[36%] patients, Thickening of the surround intestinal lobes was seen in 40[40%] patients and Mass ob abscess formation in 8[8%] patients. Operative and histopathological findings were acute appendicitis in 59[59%] patients where as normal appendix in 21[21%] patients, adherent to bower or omentum was found in 7[7%] patients, pus was seen in 5[5%] patients and perforated 3[3%] patients. In conclusion, we found 21% of appendices to be histopathologically normal after emergency appendicectomies performed in this hospital. There was no mortality