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. 2018 Oct 26;2018(10):CD007554. doi: 10.1002/14651858.CD007554.pub3

Mactier 1998.

Methods
  • Study design: cross‐over RCT

  • Study duration: not reported

  • Follow‐up period: three study visits within 1‐3 week period

Participants
  • Countries: UK, Sweden

  • Setting: multicentre (8 sites)

  • Prevalent adult patients on CAPD ≥ 18 years and experienced repeated infusion pain that based on medical judgement was not related to the catheter or excessive intraperitoneal volume of dialysis fluid

  • Number: 18

  • Mean age: 63.5 years

  • Sex (M/F): not reported

  • Exclusion criteria: peritonitis within the previous 30 days

Interventions Patients evaluated during two dialysis exchanges with each test solution in random order. Thus, all patients underwent six separate study dwells, with a maximum of 2 test evaluations in 1 day, but it was required that these study exchanges were separated by a routine dwell (40 mM lactate solution) of at least 4 hours. All dwells for at least 3 hours, using 3.86% glucose solutions. Solutions used:
  1. Lactate ‐ Dianeal PD4

  2. Bicarbonate

  3. Bicarbonate/lactate

Outcomes
  • Pain scores

  • Adverse symptoms

Notes
  • Large variation within the 8 participating centres in the frequency of inflow pain. Mean frequency was 1/25 (range 1/3 to 1/66) patients

Risk of bias
Bias Authors' judgement Support for judgement
Random sequence generation (selection bias) Unclear risk Insufficient information to permit judgement
Allocation concealment (selection bias) Unclear risk Insufficient information to permit judgement
Blinding of participants and personnel (performance bias) 
 All outcomes Low risk Double‐blind
Blinding of outcome assessment (detection bias) 
 All outcomes Low risk Double‐blind
Incomplete outcome data (attrition bias) 
 All outcomes Unclear risk 1/18 (5.6%) lost to follow‐up
Selective reporting (reporting bias) Unclear risk Limited reporting of outcomes, but given short duration of study, not possible
Other bias High risk Large variation within the 8 participating centres in the frequency of inflow pain