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Year : 2011  |  Volume : 55  |  Issue : 3  |  Page : 220-227

Liposuction: Anaesthesia challenges

1 Department of Anaesthesiology, Pain & Perioperative Medicine, Sir Ganga Ram Hospital, Rajinder Nagar, New Delhi, India
2 Department of Anaesthesia, Max Superspeciality Hospital, Saket, New Delhi, India

Correspondence Address:
Jayashree Sood
507 - Adishwar apartments, 34 Ferozshah Road, New Delhi
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/0019-5049.82652

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Liposuction is one of the most popular treatment modalities in aesthetic surgery with certain unique anaesthetic considerations. Liposuction is often performed as an office procedure. There are four main types of liposuction techniques based on the volume of infiltration or wetting solution injected, viz dry, wet, superwet, and tumescent technique. The tumescent technique is one of the most common liposuction techniques in which large volumes of dilute local anaesthetic (wetting solution) are injected into the fat to facilitate anaesthesia and decrease blood loss. The amount of lignocaine injected may be very large, approximately 35-55 mg/kg, raising concerns regarding local anaesthetic toxicity. Liposuction can be of two types according to the volume of solution aspirated: High volume (>4,000 ml aspirated) or low volume (<4,000 ml aspirated). While small volume liposuction may be done under local/monitored anaesthesia care, large-volume liposuction requires general anaesthesia. As a large volume of wetting solution is injected into the subcutaneous tissue, the intraoperative fluid management has to be carefully titrated along with haemodynamic monitoring and temperature control. Assessment of blood loss is difficult, as it is mixed with the aspirated fat. Since most obese patients opt for liposuction as a quick method to lose weight, all concerns related to obesity need to be addressed in a preoperative evaluation.

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