Abstract
To assess the outcomes of colectomy in adults with chronic constipation (CC). Standardised methods and reporting of benefits and harms were used for all CapaCiTY reviews that closely adhered to PRISMA 2016 guidance. Main conclusions were presented as summary evidence statements (SES) with a summative Oxford Centre for Evidence-Based Medicine (2009) level. Forty articles were identified, providing data on outcomes in 2045 patients. Evidence was derived almost exclusively from observational studies, the majority of which concerned colectomy and ileorectal anastomosis (CIRA) rather than other procedural variations. Average length of stay (LOS) ranged between 7-15days. Although inconsistent, laparoscopic surgery may be associated with longer mean operating times (210 vs 167min) and modest decreases in LOS (10-8days). Complications occurred in approximately 24% of patients. Six (0.4%) procedure-related deaths were observed. Recurrent episodes of small bowel obstruction occurred in about 15% (95%CI: 10-21%) of patients in the long-term, with significant burden of re-hospitalisation and frequent recourse to surgery. Most patients reported a satisfactory or good outcome after colectomy but negative long-term functional outcomes persist in a minority of patients. The influence of resection extent, anastomotic configuration and method of access on complication rates remains uncertain. Available evidence weakly supports selection of patients with an isolated slow-transit phenotype. Colectomy for CC may benefit some patients but at the cost of substantial short- and long-term morbidity. Current evidence is insufficient to guide patient or procedural selection.
Highlights
Background and procedural variationsThe concept of resection of the colon to treat constipation originates more than a century ago [1]
Recurrent episodes of small bowel obstruction occurred in about 15% (95%CI: 10–21%) of patients in the long-term, with significant burden of rehospitalisation and frequent recourse to surgery
Most patients reported a satisfactory or good outcome after colectomy but negative long-term functional outcomes persist in a minority of patients
Summary
Evidence was derived almost exclusively from observational studies, the majority of which concerned colectomy and ileorectal anastomosis (CIRA) rather than other procedural variations. Average length of stay (LOS) ranged between 7– 15 days. Laparoscopic surgery may be associated with longer mean operating times (210 vs 167 min) and modest decreases in LOS (10– 8 days). Recurrent episodes of small bowel obstruction occurred in about 15% (95%CI: 10–21%) of patients in the long-term, with significant burden of rehospitalisation and frequent recourse to surgery. Most patients reported a satisfactory or good outcome after colectomy but negative long-term functional outcomes persist in a minority of patients. Available evidence weakly supports selection of patients with an isolated slow-transit phenotype
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