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Cost Effectiveness of the Use of Prophylactic Mesh To Prevent Parastomal Hernia After Urinary Diversion with an Ileal
Sanjib Saha1, Ulf Gerdtham1,2, Mats Bläckberg3
1Health Economics Unit, Department of Clinical Sciences (Malmö), Lund University, Lund, Sweden.
Background:
Prophylactic lightweight mesh in the sublay position reduced the cumulative incidence of parastomal hernia (PSH) after cystectomy with ileal conduit diversion in a randomised controlled trial.
Objective:
To investigate whether the use of prophylactic mesh is cost-effective in comparison to no mesh from the health care provider perspective.
Design Setting And Participants:
Data on health care resource utilisation (outpatient care and inpatient care) were obtained for 159 patients included in a randomised trial. The patients underwent surgery at Skåne University Hospital or Helsingborg County Hospital (80 with a prophylactic mesh and 79 without) and information about care was ascertained from the regional health care register. The patients underwent surgery between 2012 and 2017 and were followed until death or August 2020.
Outcome Measurements And Statistical Analyses:
The primary outcome measure was the clinical incidence of PSH. Costs are reported in Euro in 2020 prices (€1 = 10.486 Swedish Krona) and presented as the incremental cost-effectiveness ratios (ICERs) with confidence intervals (CIs) calculated using a nonparametric bootstrap procedure. Sensitivity analyses and subgroup analyses were performed to capture the uncertainty for ICERs.
Results And Limitations:
The mean difference in total costs between the mesh and no-mesh groups was -€2047 (95% CI -€16 441 to €12 348). Seventeen patients (21.5%) in the no-mesh group developed clinical PSH versus six patients (7.5%) in the mesh group (p = 0.001). This indicates that mesh is less costly and more effective compared to no mesh from the health care provider perspective. Subgroup analyses showed that results were more advantageous for women and for patients younger than 71 yr and with less comorbidity than for their counterparts.
Conclusions:
The use of prophylactic mesh during ileal conduit reconstruction to prevent PSH is cost-effective from the health care provider perspective.
Patient Summary:
In patients having their bladder surgically removed, a mesh implant can be inserted when a portion of the intestine is used to create an opening to drain urine from the body. Our results show that mesh use to prevent development of a hernia at the opening where urine exits the body is cost-effective from the perspective of health care providers.
