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The complication profile of low Hartmann's in rectal cancer: a systematic review and meta-analysis
Kay Tai Choy1, Dewei Jordan Lee2, Swetha Prabhakaran3
1Department of Surgery, Austin Hospital, Melbourne, Victoria, Australia.
Background:
Non-restorative options for low rectal cancer not invading the sphincter includes low Hartmann's procedure (LH) and inter-sphincteric abdominoperineal resection (ISAPR). There is currently little comparative data to differentiate these options.
Objectives:
The aim of this review was to assess the peri-operative morbidity of LH, and then to compare it to that of ISAPR.
Data Sources:
An up-to-date systematic review was performed on the available literature between 2000-2020 on PubMed, EMBASE, Medline, and Cochrane Library databases.
Study Selection:
All studies reporting on non-restorative surgeries for rectal cancer were analysed. Outcomes were firstly analysed between LH and non-LH groups, with further sub-analysis comparing the LH and ISAPR groups.
Main Outcome Measure:
The main outcome measures were the rates of pelvic sepsis, rates of overall post-operative complication rates, oncological outcomes, and survival.
Results:
A total of 12 observational studies were included. There were 3526 patients (61.1%) in the LH group, and 2238 patients (38.9%) in the non-LH group, which included 461 patients who underwent ISAPR. The LH group had a higher rate of pelvic sepsis as compared to the non-LH group (OR: 1.79, 95% CI: 1.39-2.29, P < 0.001). The difference is more marked in the sub-analysis comparing LH and ISAPR alone (OR: 3.94, 95% CI: 1.88-7.84, P < 0.01) corresponding to a higher rate of unplanned re-intervention. LH was associated with a higher rate of short-term post-operative mortality as compared to the non-LH group.
Conclusion:
ISAPR is the preferred option for non-restorative rectal surgery, with a more favourable peri-operative morbidity and short-term mortality profile as compared to LH.
