complicated appendicitis
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COMPLICATED APPENDICITIS
LAPAROSCOPIC VERSUS OPEN APPENDECTOMY
IN SEARCH OF EVIDENCE…
Clif Wierink
ABBREVIATIONSCA COMPLICATED APPENDICITIS
LA LAPAROSCOPIC APPENDECTOMY
OA OPEN APPENDECTOMYIAA INTRA-ABDOMINAL ABSCESS
SSI SURGICAL SITE INFECTION
PICO• P ADULT WITH APPENDICITIS, COMPLICATED• I LAPAROSCOPIC APPENDECTOMY• C OPEN (CONVENTIONAL) APPENDECTOMY• O INTRA-ABDOMINAL ABSCESS (IAA) FORMATION
SECONDARY: SURGICAL SITE INFECTION, POST-OP PAIN, RE-ADMISSION, LENGTH OF STAY, HOSPITAL COSTS
THE SEARCH… (PUBMED)("APPENDICITIS"[MESH] OR "APPENDICITIS"[ALL FIELDS])
AND ("PERFORATED"[ALL FIELDS] OR "RUPTURED"[ALL FIELDS] OR
"COMPLICATED"[ALL FIELDS]) AND
("APPENDECTOMY"[ALL FIELDS] OR "APPENDICECTOMY"[ALL FIELDS]) AND
("LAPAROSCOPIC"[ALL FIELDS] OR "LAPAROSCOPY"[ALL FIELDS])
THE SEARCH LIMITS…• PUBLISHED IN LAST 5 YEARS• ENGLISH• HUMANS• META-ANALYSIS, SYSTEMATIC REVIEW, RCT, CLINICAL
TRIAL
SR & META-ANALYSIS
IN SHORT…• 12 RETROSPECTIVE CASE-CONTROL STUDIES
INCLUDED• OBSERVATION OF 1127 PATIENTS WITH REGARD TO
IAA• NO SIGNIFICANT DIFFERENCE BETWEEN LA AND OA
FOR IAAS• SECONDARY OUTCOMES LARGELY FAVOUR LA
PRIMARY OUTCOME
Intra-abdominal abscess rate meta-analysis (all studies included)
SECONDARY OUTCOMES
ANOTHER ARTICLE…
IN SHORT…• MULTICENTER RETROSPECTIVE OBSERVATIONAL
STUDY (‘06-’08)• 40.337 APPENDECTOMIES, OF WHICH 10.535 CA• PRIMARY OUTCOME MEASURES FAVOURING LA• SECONDARY OUTCOME MEASURES FAVOURING LA
OUTCOMES
DISCUSSION• RETROSPECTIVE STUDIES, POSSIBLY HIGH LEVELS
OF BIAS• HETEROGENEITY BETWEEN STUDIES • SURGEONS’ EXPERIENCE• DIFFERENT METHODS OF LIGATION• DIFFERENT PERIOPERATIVE ANTIBIOTIC REGIMENS• SHORT FOLLOW-UP PERIODS (< 1 MONTH)
RECOMMENDATION• LAPAROSCOPIC INTERVENTION IS SUPERIOR TO THE
OPEN PROCEDURE IN TERMS OF SECONDARY OUTCOME MEASURES
• NO SIGNIFICANT DIFFERENCES IN IAA FORMATION
• EVIDENCE LEVEL 3A
VRAGEN
REFERENCES
• WORLD J SURG (2010) 34:2026–2040LAPAROSCOPIC VERSUS OPEN APPENDECTOMY IN ADULTS WITH COMPLICATED APPENDICITIS: SYSTEMATIC REVIEW AND
META-ANALYSIS; MARKIDES, SUBAR, RIYAD• ANNALS OF SURGERY VOLUME 254, NUMBER 6, DECEMBER 2011
COMPARISON OF OUTCOMES OF LAPAROSCOPIC AND OPEN APPENDECTOMY IN MANAGEMENT OF UNCOMPLICATED AND COMPLICATED APPENDICITIS; TIWARI ET AL.
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