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Br J Surg. 2019 Aug 6. doi: 10.1002/bjs.11239. [Epub ahead of print]

Long-term follow-up of the AVOD randomized trial of antibiotic avoidance in uncomplicated diverticulitis.

Author information

1
Colorectal Unit, Department of Surgery, and Centre for Clinical Research Uppsala University, Västmanlands Hospital Västerås, 72189, Västerås, Sweden.

Abstract

in English, Spanish

BACKGROUND:

The aim of this study was to assess the long-term results in patients with uncomplicated diverticulitis who had participated in the Antibiotics in Acute Uncomplicated Diverticulitis (AVOD) RCT, which randomized patients with CT-verified left-sided acute uncomplicated diverticulitis to management without or with antibiotics.

METHODS:

The medical records of patients who had participated in the AVOD trial were reviewed for long-term results such as recurrences, complications and surgery. Quality-of-life questionnaires (EQ-5D™) were sent to patients, who were also contacted by telephone. Descriptive statistics were used for the analysis of clinical outcomes.

RESULTS:

A total of 556 of the 623 patients (89·2 per cent) were followed up for a median of 11 years. There were no differences between the no-antibiotic and antibiotic group in recurrences (both 31·3 per cent; P = 0·986), complications (4·4 versus 5·0 per cent; P = 0·737), surgery for diverticulitis (6·2 versus 7·1 per cent; P = 0·719) or colorectal cancer (0·4 versus 2·1 per cent; P = 0·061). The response rate for the EQ-5D™ was 52·8 versus 45·2 per cent respectively (P = 0·030), and no differences were found between the two groups in any of the measured dimensions.

CONCLUSION:

Antibiotic avoidance for uncomplicated diverticulitis is safe in the long term.

PMID:
31386199
DOI:
10.1002/bjs.11239

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