Combined laboratory and diary method for objective assessment of menstrual blood loss
| Autor: | Merja Yliskoski, Kimmo K Vihko, Ursula Turpeinen, Ritva Hurskainen, Seija Grénman, Aarre Kivelä, Juha Teperi, Jorma Paavonen, Erkki Kujansuu |
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| Rok vydání: | 1998 |
| Předmět: |
Gynecology
medicine.medical_specialty 030219 obstetrics & reproductive medicine Randomization Menstrual blood loss business.industry Obstetrics Obstetrics and Gynecology General Medicine Venous blood law.invention Objective assessment Menstruation 03 medical and health sciences 0302 clinical medicine Randomized controlled trial law medicine 030212 general & internal medicine Hemoglobin business Menstrual blood |
| Zdroj: | Acta Obstetricia et Gynecologica Scandinavica. 77:201-204 |
| ISSN: | 0001-6349 |
| DOI: | 10.1034/j.1600-0412.1998.770214.x |
| Popis: | Background. To develop an objective measurement system for menstrual blood loss applicable in clinical practice. Methods. One hundred and fifty-six patients were enrolled in a randomized trial of the treatment of menorrhagia in all five gynecology departments of the university teaching hospitals in Finland. Correlation between venous blood hemoglobin concentration (Hb) and absorbance at 564 nm (A 564 ) was investigated in experiments with blood samples. Amount of collected menstrual blood and menstrual diary data were analyzed. Result. Hb concentration and A 564 of the blood were linearly correlated (r=0.99). One hundred and fifty-four women (99%) returned used sanitary protection and menstrual diaries. On average, 12% (range 0-57%) of menstrual blood was lost during collection. The median amount of blood recovered from sanitary protection was 89 ml (range 14-724 ml), with 58% (n=90) of the women exceeding 80 ml per cycle. When the spilled blood was taken into account, the corresponding figures were 104 ml (range 15-724 ml) and 66% (n=101). Conclusions. The spectrophotometric measurement of venous blood in the conventional alkaline hematin method can be replaced by measurement of Hb concentration. All blood incompletely collected should be recorded. Objective measurement of menstrual blood loss can be applied in routine clinical practice. |
| Databáze: | OpenAIRE |
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