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Methoxyflurane versus Nitrous Oxide: Which provides better pain relief in patients undergoing Trans-Vaginal Oocyte Retrieval (TVOR) with conscious sedation?

Phase 4
Recruiting
Conditions
Trans vaginal oocyte retrieval
Reproductive Health and Childbirth - Fertility including in vitro fertilisation
Anaesthesiology - Pain management
Registration Number
ACTRN12621000941864
Lead Sponsor
Dr Aine McNally Bogue
Brief Summary

Not available

Detailed Description

Not available

Recruitment & Eligibility

Status
Recruiting
Sex
Female
Target Recruitment
86
Inclusion Criteria

Women undergoing Transvaginal Oocyte Retrieval (TVOR) at The Fertility Centre Liverpool (TFCL) who have consented to partake in the study.

Exclusion Criteria

Women who have had previous adverse reaction or hypersensitivity to either agent, patients with contraindications to either medication including significant respiratory, renal or hepatic compromise, recent eye surgery using intraocular gas, patients who have taken part in the study previously and patients who request specific agents.
Of note, at TFC, as a low cost, low risk clinic our protocol dictates we do not treat patients with significant co morbidities or severe endometriosis

Study & Design

Study Type
Interventional
Study Design
Not specified
Primary Outcome Measures
NameTimeMethod
Pain measured on 100mm VAS[Immediately post procedure and 15 minutes post procedure]
Secondary Outcome Measures
NameTimeMethod
Side effects experienced will be assessed by a study specific patient questionnaire. [15 minutes Post procedure];Oocyte number, which will be recorded on a study specific data collection sheet once the final count is determined by the embryologist. [In theatre, once the final number is determined by the embryologist, usually within 15 minutes post procedure];Fertilization rate, which will be assessed via data linkage to patients medical records[One week post procedure];Blastulation rate which will be assessed via data linkage to patients medical record[One week post procedure];Clinical pregnancy rate which will be assessed via data linkage to patients medical record[6 weeks post procedure];Length of procedure (from first puncture to scanner withdrawal) which will be recorded on a study specific data proforma[Immediately post procedure]
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