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Impact of Laparoscopy on the Management of Right-sided Diverticulitis

Impact of Laparoscopy on the Management of Right-sided Diverticulitis

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Impact of Laparoscopy on the Management of Right-sided Diverticulitis

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  1. Impact of Laparoscopy on the Management of Right-sided Diverticulitis Dr. CHAN chun-yin, Oliver Department of Surgery, Pamela Youde Nethersole Eastern Hospital 17th September 2005

  2. Right sided diverticulitis • Acute diverticulitis of the right colon is relatively uncommon • Reported frequency of disease varies • 1 in 300 to 1 in 34 appendectomies Oudenhoven et al. Radiology .1998 • Prevalence in Western literature • 0.9 % - 5% of all diverticulitis Fisher et al. Dis Colon Rectum 1984

  3. Diverticulosis in Asia Oudenhoven et al. Radiology .1998 Chia JG et al. Diseases of the Colon & Rectum. 1991 Sugihara et al. Annals of the Academy of Medicine, Singapore. 1987 Chiu et al. J Surg Asso. 1987

  4. Right sided diverticulitis in Asia • Prevalence • 10 to 17% of all diverticulitis Sugihara et al. Annals of the Academy of Medicine, Singapore. 1987 Lo et al. The Ameriacan Journal of Surgery 1996

  5. Diagnostic dilemma • Clinical features mimic acute appendicitis • Almost always misdiagnosis as acute appendicitis Markham et al. Gut 1992 Lo et al. The Ameriacan Journal of Surgery 1996 Chiu et al. ANZ J Surg. 2001

  6. Treatment strategy • Antibiotics alone • Appendicectomy with antibiotics • Diverticulectomy +/- appendicectomy with antibiotics • Ileocolic resection with primary anastomosis with antibiotics • Formal right hemicolectomy with antibiotics Complicated: resection + antibiotics Uncomplicated: Huge controversies !

  7. Greaney and Snyder classification UNCOMPLICATED COMPLICATED

  8. Background • Ileocolic resection or right hemicolectomy with primary anastomosis was commonly practiced in the era of open surgery for right sided diverticulitis • Via midline laparotomy wound • Claimed low morbidity and mortality

  9. Background • In the era of laparoscopic surgery • Changing management pattern

  10. Objective • To evaluate the impact of laparoscopy on the management of right-sided diverticulitis • In terms of • Surgical resection rate • Safety of conservative treatment after laparoscopic examination • Hospital stay • Chance of missing a carcinoma

  11. Setting • A general community hospital

  12. Design • Retrospective evaluation study

  13. Patients and method • All patients who discharged with coding of acute appendicitis, diverticulits or diverticulosis • From August 1993 - August 2005 • Through hospital computer data • Review of case notes • Telephone interview

  14. Open era • From 1993 to 1998 • Laparoscopic era • Routine laparoscopic appendicectomy started since 1999 in our hospital

  15. Result • Total number of cases with preoperative diagnosis of appendicitis • 2569cases • Number of right sided diverticulitis • 135 cases underwent operation • 41 cases without operation were excluded • Already underwent appendicectomy before • Previous investigation confirmed presence of right colon diverticulae

  16. 2569 patients with preoperative diagnosis of acute appendicitis 41 patients diagnosed by CT without operation were excluded 2434 appendicitis 135 patients with intraop findings of right diverticulitis Open era 38 cases Laparoscopic era 97 cases Right hemicolectomy 28 cases • Right hemicolectomy • open: 14 case • Lap: 2 case Appendicectomy 56 cases Appendicectomy 10 cases Laparoscopy only 25 cases

  17. Result • Open era: 38 cases • Right hemicolectomy: 28 (73.6%) • Appendicectomy alone: 10 (26.4%) • Laparoscopic era: 97 cases • Laparoscopy  open right hemicolectomy: 14 • Laparoscopic right hemicolectomy  2 • Laparoscopy only: 25 • Laparoscopic incidental appendicectomy: 56 (16.5%) (83.5%)

  18. Open era vs lap era

  19. Result • Right side diverticulitis : 135 cases • Surgical resection: 44 (32.6%) • Open era no…. 28 (63.6%) • Lap era no…. 16 (36.4%) • Without resection: 91 (67.4%) • Open era no… 10 (11%) • Lap era no… 81 (89%)

  20. Result

  21. Result

  22. Reasons for resection

  23. Result • Non resection group after laparoscopy • Further colonic investigations arranged 4 weeks later

  24. Single 9 +ve for diverticuli 33 Colonoscopy Multiple 24 -ve for diverticuli 15 Caecal tumor 1 Single 3 +ve for diverticuli 11 Multiple 8 Ba enema -ve for diverticuli 5 Virtual colonoscopy +ve for diverticuli 1 Defaulted investigation 13

  25. Result • Missed carcinoma: 3 cases • 71 year old lady, detected on colonoscopy 4 weeks’ postop, right hemicolectomy performed 1 week later • 45 year old gentleman, “prolong ileus” postop, CT revealed caecal tumor, right hemicolectomy performed on Day 10 • 52 year old gentleman, persistent pain at 2 weeks’ postop, CT revealed caecal tumor, right hemicolectomy at 3 weeks’ postop

  26. Discussion • Incidence quite high • 1 case every 18 cases of appendicitis • Increased use of laparoscopy • Minimally invasive and safe as diagnostic tool • Increased detection of diverticulitis • More conservative trend in laparoscopic era • Decreased resection rate • Early detection of uncomplicated diverticulitis • Better assessment by means of laparoscopy

  27. Discussion • Conservative treatment • Low morbidity • Shorter hospital stay • No readmission for second attack • Routine follow up colonic investigation • Default rate 16% • Missing carcinoma • Early pickup

  28. Discussion • Potential advantages • Avoid unnecessary surgical resection and their potential complication • Shorter hospital stay • However, • Low resection rate really due to laparoscopy or • Changing attitude of surgeon towards the management of right-sided diverticulitis

  29. Conclusion • Laparoscopy is a safe procedure in the management of right-sided diverticulitis • Increasing trend of adopting conservative treatment • Rate of missing a carcinoma by laparoscopic examination were low in the present study

  30. Thank you!