Uterine thermal balloon therapy under local anaesthesia for the treatment of menorrhagia: a pilot study

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Abstract
This study evaluates the use of local anaesthesia in a subset of patients undergoing uterine thermal balloon endometrial ablation for the treatment of menorrhagia. Out of 51 patients with dysfunctional uterine bleeding, 18 were included for uterine balloon therapy under local anaesthesia. Inclusion criteria were dysfunctional bleeding with absence of organic lesions in the uterine cavity, adequate relaxation and pain control during physical examination and diagnostic hysteroscopy, and patient desire to avoid a general anaesthetic. Paracervical block was performed with 20 ml of dilute 1 % lignocaine HC1 with epinephrine 1:200 000. Success of the procedure was defined as amenorrhoea, hypomenorrhoea, or eumenorrhoea. The median follow-up period was 13.9 ± 5 months and 11 patients (61%) had follow-up of > 1 year. Treatment led to a significant decrease in menstrual flow, duration, and pad count in all patients (P < 0.0001). No intra-operative complications occurred. A pain scale (level 1–10) was used to evaluate the patients' tolerance of the procedure (mean 3.8 ± 1.3). In light of these successful and well tolerated procedures, thermal balloon endometrial ablation, utilizing local anaesthesia, appears practical as an office-based therapy.

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