K Laparoscopic appendectomy
Appendectomy is performed for acute appendicitis, and a laparoscopic approach is most commonly used.
2. Preoperative assessment and patient preparation
a) History and physical examination
(1) Gastrointestinal: Patients point to localized pain at McBurney point, which is midway between the iliac crest and umbilicus; rebound tenderness, muscle rigidity, and abdominal guarding are noted.
b) Diagnostic tests
(1) The white blood cell count is elevated, with a shift to the left: 10,000 to 16,000 mm3; 75% neutrophils. Increased body temperature may indicate ruptured appendix and septicemia.