Persistent Purpura on the Right Arm and Chest Due to Continuous Use of an Electric Vacuum Cleaner for Several Hours
- VernacularTitle:長時間の家庭用電気掃除機使用後に右上肢と右胸部に皮下出血を来した高齢女性の１例
- Author:
Manabu MAEDA
1
;
Satoshi SAKAMOTO
2
Author Information
- From:Journal of the Japanese Association of Rural Medicine 2022;70(5):510-514
- CountryJapan
- Language:Japanese
- Abstract: An 87-year-old woman visited our hospital because of severe widespread purpura with swelling on the right arm. Two days earlier, she had used an electric vacuum cleaner for several hours in order to remove an insect infestation (march flies) in her house. The next day, the purpura expanded to the right chest. Internal medical examination revealed no abnormality except for high levels of myogenic enzymes (lactate dehydrogenase, 326U/L; creatine kinase, 401 IU/L). The electric vacuum cleaner was made in Japan and showed a vibration level of 60dB, which is half that of a chainsaw or lawnmower (120dB). The purpura may have been caused by long-term use of the vacuum cleaner given that the effective value of equivalent vibration acceleration exceeded the European guideline (2.5m/s2 for 8 hours per day).
