Cryotherapy gas

Malawi has the world’s highest cervical cancer incidence and mortality due to high rate of HIV coupled with inadequate screening and treatment services. The country’s cervical cancer control program uses visual inspection with acetic acid (VIA) and cryotherapy, but screening is largely limited by poor access to facilities, high cost of cryotherapy gas, and high loss-to-follow-up.

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A double-freeze technique was used with two 3–minute periods of freezing separated by a 5–minute period to allow thawing of the frozen cervical tissue. Nitrous oxide (N2O) gas was used to achieve the freeze. Consistent with current MOH policy related to invasive gynecologic procedures such as intrauterine contraceptive device insertion, prophylactic antibiotics were provided at the time of the treatment. Those who complained of cramping, lower abdominal pain during or immediately after cryotherapy were given a prescription for several doses of an analgesic such as ibuprofen.

52p taisaokhongthedung 07-01-2013 40 2   Download